Merge "msm: kgsl: Fix memleak in IOMMU clock disable"
diff --git a/Documentation/devicetree/bindings/arm/msm/cpr-regulator.txt b/Documentation/devicetree/bindings/arm/msm/cpr-regulator.txt
index 1b881f0..aa24dc6 100644
--- a/Documentation/devicetree/bindings/arm/msm/cpr-regulator.txt
+++ b/Documentation/devicetree/bindings/arm/msm/cpr-regulator.txt
@@ -203,21 +203,6 @@
 - qcom,cpr-uplift-speed-bin:	The speed bin value corresponding to one type of processor which needs to apply the
 				pvs voltage uplift workaround.
 				This is required if cpr-fuse-uplift-disable-sel is present.
-- qcom,cpr-quot-adjust-table:	Array of triples in which each triple indicates the speed bin of the CPU, the virtual
-				corner to use and the quotient adjustment.
-				The 3 elements in one triple are:
-				[0]: => the speed bin of the CPU.
-				[1]: => the virtual voltage corner to use.
-				[2]: => the quotient adjustment for the corresponding virtual corner.
-				If the speed bin in a triple is equal to the speed bin of the CPU, the adjustment would
-				be subtracted from the quotient value of the voltage corner when the CPU is running at
-				that virtual corner. Each virtual corner value must be in the range 1 to the number of
-				elements in qcom,cpr-corner-map.
-- qcom,cpr-corner-map:		Array of elements of fuse corner value for each virtual corner.
-				The location or 1-based index of an element in the list corresponds to
-				the virtual corner value. For example, the first element in the list is the fuse corner
-				value that virtual corner 1 maps to.
-				This is required if qcom,cpr-quot-adjust-table is present.
 - qcom,cpr-quotient-adjustment:	Array of three elements of CPR quotient adjustments for each corner.
 				The 3 quotient adjustments with index[0..2] are:
 				[0] => amount to add to the SVS quotient
@@ -230,6 +215,42 @@
 				Not Present: No such regulator.
 - vdd-apc-optional-sec-supply:	Present: Regulator of second highest priority to supply VDD APC power.
 				Not Present: No such regulator.
+- qcom,cpr-speed-bin-max-corners: Array of quintuples in which each quintuple maps a CPU speed bin and PVS version to
+				the maximum virtual voltage corner corresponding to the SVS, NORMAL and TURBO corners.
+				The 5 elements in one quintuple are:
+				[0]: => the speed bin of the CPU.
+				[1]: => the PVS version of the CPU.
+				[2]: => the max virtual voltage corner value corresponding to SVS corner for this speed bin.
+				[3]: => the max virtual voltage corner value corresponding to NORMAL corner for this speed bin.
+				[4]: => the max virtual voltage corner value corresponding to TURBO corner for this speed bin.
+				No CPR target quotient scaling is applied on chips which have a speed bin + PVS version
+				pair that does not appear in one of the quintuples in this property. If the property is
+				specified, then quotient scaling is enabled for the TURBO corner. If this property is
+				not specified, then no quotient scaling can take place.
+- qcom,cpr-corner-map:		Array of elements of fuse corner value for each virtual corner.
+				The location or 1-based index of an element in the list corresponds to
+				the virtual corner value. For example, the first element in the list is the fuse corner
+				value that virtual corner 1 maps to.
+				This property is required if qcom,cpr-speed-bin-max-corners is present.
+- qcom,cpr-corner-frequency-map: Array of tuples in which a tuple describes a corner to application processor frequency
+				mapping.
+				The 2 elements in one tuple are:
+				[0]: => a virtual voltage corner.
+				[1]: => the application processor frequency in Hz corresponding to the virtual corner.
+				This property is required if qcom,cpr-speed-bin-max-corners is present.
+- qcom,pvs-version-fuse-sel:	Array of 4 elements to indicate where to read the pvs version of the processor,
+				and the fuse reading method.
+				The 4 elements with index[0..3] are:
+				[0]: => the fuse row number of the selector;
+				[1]: => LSB bit position of the bits;
+				[2]: => the number of bits;
+				[3]: => fuse reading method, 0 for direct reading or 1 for SCM reading.
+				This property is required if qcom,cpr-speed-bin-max-corners is present.
+- qcom,cpr-quot-adjust-scaling-factor-max: The maximum allowed CPR target quotient scaling factor to use when
+				calculating the quotient adjustment for a given virtual voltage corner. It
+				corresponds to 'scaling' in this equation:
+				quot_adjust = (freq_turbo - freq_corner) * scaling / 1000.
+				This property is required if qcom,cpr-speed-bin-max-corners is present.
 
 Example:
 	apc_vreg_corner: regulator@f9018000 {
@@ -319,9 +340,25 @@
 		qcom,cpr-uplift-speed-bin = <1>;
 		qcom,speed-bin-fuse-sel = <22 0 3 0>;
 		qcom,cpr-corner-map = <1 1 2 2 3 3 3 3 3 3 3 3>;
-		qcom,cpr-quot-adjust-table = <1 1 0>, <1 2 0>, <1 3 0>,
-						<1 4 0>, <1 5 450>, <1 6 375>,
-						<1 7 300>, <1 8 225>, <1 9 187>,
-						<1 10 150>, <1 11 75>, <1 12 0>;
+		qcom,cpr-corner-frequency-map =
+				<1 300000000>,
+				<2 384000000>,
+				<3 600000000>,
+				<4 787200000>,
+				<5 998400000>,
+				<6 1094400000>,
+				<7 1190400000>,
+				<8 1305600000>,
+				<9 1344000000>,
+				<10 1401600000>,
+				<11 1497600000>,
+				<12 1593600000>;
+		qcom,pvs-version-fuse-sel = <22 4 2 0>;
+		qcom,cpr-speed-bin-max-corners =
+				<0 1 2 4 7>,
+				<1 1 2 4 12>,
+				<2 1 2 4 10>,
+				<5 1 2 4 14>;
+		qcom,cpr-quot-adjust-scaling-factor-max = <650>;
 	};
 
diff --git a/Documentation/devicetree/bindings/fb/mdss-dsi-ctrl.txt b/Documentation/devicetree/bindings/fb/mdss-dsi-ctrl.txt
index cda437a..e8b02cf 100644
--- a/Documentation/devicetree/bindings/fb/mdss-dsi-ctrl.txt
+++ b/Documentation/devicetree/bindings/fb/mdss-dsi-ctrl.txt
@@ -6,7 +6,8 @@
 Required properties:
 - compatible:				Must be "qcom,mdss-dsi-ctrl"
 - cell-index:				Specifies the controller used among the two controllers.
-- reg:					offset and length of the register set for the device.
+- reg: 					Offset and length of the register regions(s) for the device.
+- reg-names: 				A list of strings that map in order to the list of regs.
 - vdd-supply:				Phandle for vdd regulator device node.
 - vddio-supply:				Phandle for vdd-io regulator device node.
 - vdda-supply:				Phandle for vreg regulator device node.
@@ -52,7 +53,9 @@
 		compatible = "qcom,mdss-dsi-ctrl";
 		label = "MDSS DSI CTRL->0";
 		cell-index = <0>;
-		reg = <0xfd922800 0x600>;
+		reg = 	<0xfd922800 0x600>,
+			<0xfd828000 0x108>;
+		reg-names = "dsi_phys", "mmss_misc_phys";
 		vdd-supply = <&pm8226_l15>;
 		vddio-supply = <&pm8226_l8>;
 		vdda-supply = <&pm8226_l4>;
diff --git a/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt b/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt
index ae6f8ef..02d6df9 100644
--- a/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt
+++ b/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt
@@ -254,6 +254,9 @@
 					mode. This master delay (t_init_delay as per DSI spec) should be sum
 					of DSI internal delay to reach fuctional after power up and minimum
 					delay required by panel to reach functional.
+- qcom,mdss-dsi-rx-eot-ignore:		Boolean used to enable ignoring end of transmission packets.
+- qcom,mdss-dsi-tx-eot-append:		Boolean used to enable appending end of transmission packets.
+- qcom,ulps-enabled:			Boolean to enable support for Ultra Low Power State (ULPS) mode.
 
 Note, if a given optional qcom,* binding is not present, then the driver will configure
 the default values specified.
@@ -348,5 +351,8 @@
 		qcom,mdss-dsi-reset-sequence = <1 2>, <0 10>, <1 10>;
 		qcom,mdss-dsi-lp11-init;
 		qcom,mdss-dsi-init-delay-us = <100>;
+		mdss-dsi-rx-eot-ignore;
+		mdss-dsi-tx-eot-append;
+		qcom,ulps-enabled;
 	};
 };
diff --git a/Documentation/devicetree/bindings/gpu/adreno.txt b/Documentation/devicetree/bindings/gpu/adreno.txt
index 656f3a4..ec5cfa5 100644
--- a/Documentation/devicetree/bindings/gpu/adreno.txt
+++ b/Documentation/devicetree/bindings/gpu/adreno.txt
@@ -71,6 +71,13 @@
 			   This is used to override faulty hardware readings.
 - qcom,strtstp-sleepwake:  Boolean. Enables use of GPU SLUMBER instead of SLEEP for power savings
 
+- qcom,pm-qos-latency:		Every time GPU wakes up from sleep, driver votes for
+				acceptable maximum latency to the pm-qos driver. This
+				voting demands that *CPU* can not go into a power save
+				state *if* the latency to bring CPU back into normal
+				state is more than this value.
+				Value is in microseconds.
+
 The following properties are optional as collecting data via coresight might
 not be supported for every chipset. The documentation for coresight
 properties can be found in:
diff --git a/Documentation/devicetree/bindings/mtd/msm_qpic_nand.txt b/Documentation/devicetree/bindings/mtd/msm_qpic_nand.txt
index 8cef7f0..447c8c1 100644
--- a/Documentation/devicetree/bindings/mtd/msm_qpic_nand.txt
+++ b/Documentation/devicetree/bindings/mtd/msm_qpic_nand.txt
@@ -13,11 +13,12 @@
 Each partition is represented as a sub-node of the qcom,mtd-partitions device.
 Each node's name represents the name of the corresponding partition.
 
-Required properties:
-- reg : The partition offset and size
-- label : The label / name for this partition.
+This is now completely optional as the partition information is avaialble from
+bootloader.
 
 Optional properties:
+- reg : The partition offset and size
+- label : The label / name for this partition.
 - read-only: This parameter, if present, indicates that this partition
   should only be mounted read-only.
 
diff --git a/Documentation/devicetree/bindings/nfc/nfc-nci.txt b/Documentation/devicetree/bindings/nfc/nfc-nci.txt
index 2c06599..7af847c 100644
--- a/Documentation/devicetree/bindings/nfc/nfc-nci.txt
+++ b/Documentation/devicetree/bindings/nfc/nfc-nci.txt
@@ -12,13 +12,12 @@
 - qcom,clk-src-gpio: msm gpio clock,used ony if clock source is msm gpio
 - qcom,clk-req-gpio: clk-req input gpio for MSM based clocks.
                      not used for pmic implementation
-- vlogic-supply: LDO for power supply
 - interrupt-parent: Should be phandle for the interrupt controller
                     that services interrupts for this device.
 - interrupts: Nfc read interrupt,gpio-clk-req interrupt
 - qcom,clk-gpio: pmic or msm gpio on which bbclk2 signal is coming.
 
-LDO example:
+Example:
 
 	i2c@f9925000 { /* BLSP-1 QUP-3 */
 		nfc-nci@e {
@@ -31,7 +30,6 @@
 			interrupt-parent = <&msmgpio>;
 			interrupts = <77 0>;
 			qcom,clk-gpio = <&msmgpio 75 0x00>;
-			vlogic-supply = <&pm8110_l14>;
 		};
 	};
 
diff --git a/Documentation/devicetree/bindings/sound/voice-svc.txt b/Documentation/devicetree/bindings/sound/voice-svc.txt
new file mode 100644
index 0000000..deca7f5
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/voice-svc.txt
@@ -0,0 +1,11 @@
+* Voice Service binding
+
+Required properties:
+- compatible : "qcom,msm-voice-svc"
+
+Example:
+
+	qcom,msm-voice-svc {
+		compatible = "qcom,msm-voice-svc";
+	};
+
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index fd826d9..b94b587 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -8,6 +8,7 @@
 apm	Applied Micro Circuits Corporation (APM)
 arm	ARM Ltd.
 atmel	Atmel Corporation
+avago	Avago Technologies
 bosch	Bosch Sensortec GmbH
 capella	Capella Microsystems, Inc.
 cavium	Cavium, Inc.
diff --git a/arch/arm/boot/dts/msm8226-gpu.dtsi b/arch/arm/boot/dts/msm8226-gpu.dtsi
index fd20d8c..d1c3264 100644
--- a/arch/arm/boot/dts/msm8226-gpu.dtsi
+++ b/arch/arm/boot/dts/msm8226-gpu.dtsi
@@ -47,6 +47,9 @@
 		/* IOMMU Data */
 		iommu = <&kgsl_iommu>;
 
+		/* CPU latency parameter */
+		qcom,pm-qos-latency = <701>;
+
 		/* Power levels */
 		qcom,gpu-pwrlevels {
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8226-mdss.dtsi b/arch/arm/boot/dts/msm8226-mdss.dtsi
index 375c5df..2176d39 100644
--- a/arch/arm/boot/dts/msm8226-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8226-mdss.dtsi
@@ -95,7 +95,9 @@
 		compatible = "qcom,mdss-dsi-ctrl";
 		label = "MDSS DSI CTRL->0";
 		cell-index = <0>;
-		reg = <0xfd922800 0x600>;
+		reg = 	<0xfd922800 0x600>,
+			<0xfd828000 0x108>;
+		reg-names = "dsi_phys", "mmss_misc_phys";
 		qcom,mdss-fb-map = <&mdss_fb0>;
 		qcom,mdss-mdp = <&mdss_mdp>;
 		vdd-supply = <&pm8226_l15>;
diff --git a/arch/arm/boot/dts/msm8226-v2.dtsi b/arch/arm/boot/dts/msm8226-v2.dtsi
index 6215740..14fe237 100644
--- a/arch/arm/boot/dts/msm8226-v2.dtsi
+++ b/arch/arm/boot/dts/msm8226-v2.dtsi
@@ -37,14 +37,28 @@
 	qcom,cpr-up-threshold = <0>;
 	qcom,cpr-down-threshold = <5>;
 	qcom,cpr-corner-map = <1 1 2 2 3 3 3 3 3 3 3 3 3 3>;
-	qcom,cpr-quot-adjust-table =
-				<1 5 450>,
-				<1 6 375>,
-				<1 7 300>,
-				<1 8 225>,
-				<1 9 187>,
-				<1 10 150>,
-				<1 11 75>;
+	qcom,pvs-version-fuse-sel = <22 4 2 0>;
+	qcom,cpr-corner-frequency-map =
+			<1 300000000>,
+			<2 384000000>,
+			<3 600000000>,
+			<4 787200000>,
+			<5 998400000>,
+			<6 1094400000>,
+			<7 1190400000>,
+			<8 1305600000>,
+			<9 1344000000>,
+			<10 1401600000>,
+			<11 1497600000>,
+			<12 1593600000>,
+			<13 1689600000>,
+			<14 1785600000>;
+	qcom,cpr-speed-bin-max-corners =
+			<0 2 2 4 7>,
+			<1 2 2 4 12>,
+			<2 2 2 4 10>,
+			<5 2 2 4 14>;
+	qcom,cpr-quot-adjust-scaling-factor-max = <650>;
 };
 
 &msm_gpu {
diff --git a/arch/arm/boot/dts/msm8226.dtsi b/arch/arm/boot/dts/msm8226.dtsi
index ff97564..4117d9d 100644
--- a/arch/arm/boot/dts/msm8226.dtsi
+++ b/arch/arm/boot/dts/msm8226.dtsi
@@ -499,6 +499,10 @@
 		compatible = "qti,msm-pcm-loopback";
 	};
 
+	qcom,msm-voice-svc {
+		compatible = "qcom,msm-voice-svc";
+	};
+
 	qcom,msm-dai-q6 {
 		compatible = "qcom,msm-dai-q6";
 		qcom,msm-dai-q6-sb-0-rx {
@@ -1264,8 +1268,8 @@
                 qcom,msm-bus,num-cases = <2>;
                 qcom,msm-bus,num-paths = <1>;
                 qcom,msm-bus,vectors-KBps =
-                                <1 618 0 0>,
-                                <1 618 0 800>;
+                                <54 618 0 0>,
+                                <54 618 0 800>;
 	};
 
 	qcom,tz-log@fe805720 {
diff --git a/arch/arm/boot/dts/msm8610-gpu.dtsi b/arch/arm/boot/dts/msm8610-gpu.dtsi
index de480df..480ec11 100644
--- a/arch/arm/boot/dts/msm8610-gpu.dtsi
+++ b/arch/arm/boot/dts/msm8610-gpu.dtsi
@@ -46,6 +46,9 @@
 		/* IOMMU Data */
 		iommu = <&gfx_iommu>;
 
+		/* CPU latency parameter */
+		qcom,pm-qos-latency = <701>;
+
 		/* Power levels */
 		qcom,gpu-pwrlevels {
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8610.dtsi b/arch/arm/boot/dts/msm8610.dtsi
index f152ceb..90e8fd6 100644
--- a/arch/arm/boot/dts/msm8610.dtsi
+++ b/arch/arm/boot/dts/msm8610.dtsi
@@ -765,6 +765,11 @@
 			compatible = "qcom,msm-dai-q6-dev";
 			qcom,msm-dai-q6-dev-id = <32773>;
 		};
+
+		qcom,msm-dai-q6-incall-music-2-rx {
+			compatible = "qcom,msm-dai-q6-dev";
+			qcom,msm-dai-q6-dev-id = <32770>;
+		};
 	};
 
 	qcom,msm-pcm-hostless {
diff --git a/arch/arm/boot/dts/msm8926.dtsi b/arch/arm/boot/dts/msm8926.dtsi
index 8a0e5c4..e866286 100644
--- a/arch/arm/boot/dts/msm8926.dtsi
+++ b/arch/arm/boot/dts/msm8926.dtsi
@@ -138,15 +138,29 @@
 	regulator-min-microvolt = <1>;
 	regulator-max-microvolt = <14>;
 	qcom,cpr-corner-map = <1 1 2 2 3 3 3 3 3 3 3 3 3 3>;
-	qcom,cpr-quot-adjust-table =
-				<1 5 450>,
-				<1 6 375>,
-				<1 7 300>,
-				<1 8 225>,
-				<1 9 187>,
-				<1 10 150>,
-				<1 11 75>;
 	qcom,cpr-quotient-adjustment = <0 72 72>;
+	qcom,pvs-version-fuse-sel = <22 4 2 0>;
+	qcom,cpr-corner-frequency-map =
+			<1 300000000>,
+			<2 384000000>,
+			<3 600000000>,
+			<4 787200000>,
+			<5 998400000>,
+			<6 1094400000>,
+			<7 1190400000>,
+			<8 1305600000>,
+			<9 1344000000>,
+			<10 1401600000>,
+			<11 1497600000>,
+			<12 1593600000>,
+			<13 1689600000>,
+			<14 1785600000>;
+	qcom,cpr-speed-bin-max-corners =
+			<0 1 2 4 7>,
+			<1 1 2 4 12>,
+			<2 1 2 4 10>,
+			<5 1 2 4 14>;
+	qcom,cpr-quot-adjust-scaling-factor-max = <650>;
 };
 
 &tsens {
diff --git a/arch/arm/boot/dts/msm8974-mdss.dtsi b/arch/arm/boot/dts/msm8974-mdss.dtsi
index 7f63234..0e72446 100644
--- a/arch/arm/boot/dts/msm8974-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8974-mdss.dtsi
@@ -113,7 +113,9 @@
 		compatible = "qcom,mdss-dsi-ctrl";
 		label = "MDSS DSI CTRL->0";
 		cell-index = <0>;
-		reg = <0xfd922800 0x600>;
+		reg = 	<0xfd922800 0x600>,
+			<0xfdf30000 0x108>;
+		reg-names = "dsi_phys", "mmss_misc_phys";
 		vdd-supply = <&pm8941_l22>;
 		vddio-supply = <&pm8941_l12>;
 		vdda-supply = <&pm8941_l2>;
@@ -169,7 +171,9 @@
 		compatible = "qcom,mdss-dsi-ctrl";
 		label = "MDSS DSI CTRL->1";
 		cell-index = <1>;
-		reg = <0xfd922e00 0x600>;
+		reg = 	<0xfd922e00 0x600>,
+			<0xfdf30000 0x108>;
+		reg-names = "dsi_phys", "mmss_misc_phys";
 		vdd-supply = <&pm8941_l22>;
 		vddio-supply = <&pm8941_l12>;
 		vdda-supply = <&pm8941_l2>;
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsi
index 23ddc8c..da5474d 100644
--- a/arch/arm/boot/dts/msm8974.dtsi
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -1520,7 +1520,9 @@
 		compatible = "qcom,cpubw";
 		qcom,cpu-mem-ports = <1 512>, <2 512>;
 		qcom,bw-tbl =
+			<  381 /*  50 MHz */ >,
 			<  572 /*  75 MHz */ >,
+			<  762 /* 100 MHz */ >,
 			< 1144 /* 150 MHz */ >,
 			< 1525 /* 200 MHz */ >,
 			< 2342 /* 307 MHz */ >,
diff --git a/arch/arm/boot/dts/msm8974pro-pm.dtsi b/arch/arm/boot/dts/msm8974pro-pm.dtsi
index aca8f20..f735b65 100644
--- a/arch/arm/boot/dts/msm8974pro-pm.dtsi
+++ b/arch/arm/boot/dts/msm8974pro-pm.dtsi
@@ -242,6 +242,7 @@
 			<0xff 109>,  /* ocmem_dm_nonsec_irq */
 			<0xff 126>,  /* bam_irq[0] */
 			<0xff 140>,  /* uart_dm_intr */
+			<0xff 146>,  /* uart_dm_intr: blsp2_uart_2_irq */
 			<0xff 155>,  /* sdcc_irq[0] */
 			<0xff 157>,  /* sdcc_irq[0] */
 			<0xff 159>,  /* sdcc_irq[0] */
diff --git a/arch/arm/boot/dts/msm8974pro.dtsi b/arch/arm/boot/dts/msm8974pro.dtsi
index a72ebb2..813ecaa 100644
--- a/arch/arm/boot/dts/msm8974pro.dtsi
+++ b/arch/arm/boot/dts/msm8974pro.dtsi
@@ -1578,13 +1578,13 @@
 		/* Off */
 		<26 512 0 0>, <89 604 0 0>,
 		/* Sub-SVS / SVS */
-		<26 512 0 1600000>, <89 604 0 3200000>,
+		<26 512 1200000 2456000>, <89 604 0 3200000>,
 		/* SVS */
-		<26 512 0 2456000>, <89 604 0 3200000>,
+		<26 512 1200000 2456000>, <89 604 0 3200000>,
 		/* low Nominal / SVS */
 		<26 512 0 3680000>, <89 604 0 3200000>,
 		/* SVS / low Nominal */
-		<26 512 0 2456000>, <89 604 0 5280000>,
+		<26 512 1200000 2456000>, <89 604 0 5280000>,
 		/* low Nominal / low Nominal */
 		<26 512 0 3680000>, <89 604 0 5280000>,
 		/* Nominal / low Nominal */
diff --git a/arch/arm/configs/msm8610-perf_defconfig b/arch/arm/configs/msm8610-perf_defconfig
index c7abf42..1ba8527 100644
--- a/arch/arm/configs/msm8610-perf_defconfig
+++ b/arch/arm/configs/msm8610-perf_defconfig
@@ -412,6 +412,8 @@
 CONFIG_CRYPTO_MD4=y
 CONFIG_CRYPTO_ARC4=y
 CONFIG_CRYPTO_TWOFISH=y
+CONFIG_MOBICORE_SUPPORT=m
+CONFIG_MOBICORE_API=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC_CCITT=y
 CONFIG_PPP=y
diff --git a/arch/arm/configs/msm8610_defconfig b/arch/arm/configs/msm8610_defconfig
index fe84f96..458faac 100644
--- a/arch/arm/configs/msm8610_defconfig
+++ b/arch/arm/configs/msm8610_defconfig
@@ -485,3 +485,5 @@
 CONFIG_SENSORS_MMA8X5X=y
 CONFIG_SENSORS_CAPELLA_CM36283=y
 CONFIG_MSM_RDBG=m
+CONFIG_MOBICORE_SUPPORT=m
+CONFIG_MOBICORE_API=m
diff --git a/arch/arm/mach-msm/board-8226-gpiomux.c b/arch/arm/mach-msm/board-8226-gpiomux.c
index 5882ebc..fe7de31 100644
--- a/arch/arm/mach-msm/board-8226-gpiomux.c
+++ b/arch/arm/mach-msm/board-8226-gpiomux.c
@@ -11,6 +11,7 @@
  *
  */
 
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <mach/board.h>
@@ -18,6 +19,12 @@
 #include <mach/gpiomux.h>
 #include <mach/socinfo.h>
 
+#define WLAN_CLK	44
+#define WLAN_SET	43
+#define WLAN_DATA0	42
+#define WLAN_DATA1	41
+#define WLAN_DATA2	40
+
 #ifdef CONFIG_USB_EHCI_MSM_HSIC
 static struct gpiomux_setting hsic_sus_cfg = {
 	.func = GPIOMUX_FUNC_GPIO,
@@ -140,6 +147,18 @@
 	.pull = GPIOMUX_PULL_DOWN,
 };
 
+static struct gpiomux_setting wcnss_5gpio_suspend_cfg = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv  = GPIOMUX_DRV_2MA,
+	.pull = GPIOMUX_PULL_UP,
+};
+
+static struct gpiomux_setting wcnss_5gpio_active_cfg = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv  = GPIOMUX_DRV_6MA,
+	.pull = GPIOMUX_PULL_DOWN,
+};
+
 static struct gpiomux_setting gpio_i2c_config = {
 	.func = GPIOMUX_FUNC_3,
 	.drv = GPIOMUX_DRV_2MA,
@@ -542,6 +561,44 @@
 	},
 };
 
+static struct msm_gpiomux_config wcnss_5gpio_interface[] = {
+	{
+		.gpio = 40,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 41,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 42,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 43,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 44,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+};
+
 static struct gpiomux_setting gpio_suspend_config[] = {
 	{
 		.func = GPIOMUX_FUNC_GPIO,  /* IN-NP */
@@ -884,3 +941,109 @@
 	msm_gpiomux_install(msm_hsic_configs, ARRAY_SIZE(msm_hsic_configs));
 #endif
 }
+
+static void wcnss_switch_to_gpio(void)
+{
+	/* Switch MUX to GPIO */
+	msm_gpiomux_install(wcnss_5gpio_interface,
+			ARRAY_SIZE(wcnss_5gpio_interface));
+
+	/* Ensure GPIO config */
+	gpio_direction_input(WLAN_DATA2);
+	gpio_direction_input(WLAN_DATA1);
+	gpio_direction_input(WLAN_DATA0);
+	gpio_direction_output(WLAN_SET, 0);
+	gpio_direction_output(WLAN_CLK, 0);
+}
+
+static void wcnss_switch_to_5wire(void)
+{
+	msm_gpiomux_install(wcnss_5wire_interface,
+			ARRAY_SIZE(wcnss_5wire_interface));
+}
+
+u32 wcnss_rf_read_reg(u32 rf_reg_addr)
+{
+	int count = 0;
+	u32 rf_cmd_and_addr = 0;
+	u32 rf_data_received = 0;
+	u32 rf_bit = 0;
+
+	wcnss_switch_to_gpio();
+
+	/* Reset the signal if it is already being used. */
+	gpio_set_value(WLAN_SET, 0);
+	gpio_set_value(WLAN_CLK, 0);
+
+	/* We start with cmd_set high WLAN_SET = 1. */
+	gpio_set_value(WLAN_SET, 1);
+
+	gpio_direction_output(WLAN_DATA0, 1);
+	gpio_direction_output(WLAN_DATA1, 1);
+	gpio_direction_output(WLAN_DATA2, 1);
+
+	gpio_set_value(WLAN_DATA0, 0);
+	gpio_set_value(WLAN_DATA1, 0);
+	gpio_set_value(WLAN_DATA2, 0);
+
+	/* Prepare command and RF register address that need to sent out.
+	 * Make sure that we send only 14 bits from LSB.
+	 */
+	rf_cmd_and_addr  = (((WLAN_RF_READ_REG_CMD) |
+		(rf_reg_addr << WLAN_RF_REG_ADDR_START_OFFSET)) &
+		WLAN_RF_READ_CMD_MASK);
+
+	for (count = 0; count < 5; count++) {
+		gpio_set_value(WLAN_CLK, 0);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA0, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA1, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA2, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		/* Send the data out WLAN_CLK = 1 */
+		gpio_set_value(WLAN_CLK, 1);
+	}
+
+	/* Pull down the clock signal */
+	gpio_set_value(WLAN_CLK, 0);
+
+	/* Configure data pins to input IO pins */
+	gpio_direction_input(WLAN_DATA0);
+	gpio_direction_input(WLAN_DATA1);
+	gpio_direction_input(WLAN_DATA2);
+
+	for (count = 0; count < 2; count++) {
+		gpio_set_value(WLAN_CLK, 1);
+		gpio_set_value(WLAN_CLK, 0);
+	}
+
+	rf_bit = 0;
+	for (count = 0; count < 6; count++) {
+		gpio_set_value(WLAN_CLK, 1);
+		gpio_set_value(WLAN_CLK, 0);
+
+		rf_bit = gpio_get_value(WLAN_DATA0);
+		rf_data_received |= (rf_bit << (count * 3 + 0));
+
+		if (count != 5) {
+			rf_bit = gpio_get_value(WLAN_DATA1);
+			rf_data_received |= (rf_bit << (count * 3 + 1));
+
+			rf_bit = gpio_get_value(WLAN_DATA2);
+			rf_data_received |= (rf_bit << (count * 3 + 2));
+		}
+	}
+
+	gpio_set_value(WLAN_SET, 0);
+	wcnss_switch_to_5wire();
+
+	return rf_data_received;
+}
diff --git a/arch/arm/mach-msm/board-8226.c b/arch/arm/mach-msm/board-8226.c
index 1c1fbe3..43646cd 100644
--- a/arch/arm/mach-msm/board-8226.c
+++ b/arch/arm/mach-msm/board-8226.c
@@ -167,7 +167,7 @@
 	NULL
 };
 
-DT_MACHINE_START(MSM8226_DT, "Qualcomm MSM 8226 (Flattened Device Tree)")
+DT_MACHINE_START(MSM8226_DT, "Qualcomm MSM 8x26 / MSM 8x28 (Flattened Device Tree)")
 	.map_io = msm_map_msm8226_io,
 	.init_irq = msm_dt_init_irq,
 	.init_machine = msm8226_init,
diff --git a/arch/arm/mach-msm/board-8610-gpiomux.c b/arch/arm/mach-msm/board-8610-gpiomux.c
index 2e12fc2..4234f2a 100644
--- a/arch/arm/mach-msm/board-8610-gpiomux.c
+++ b/arch/arm/mach-msm/board-8610-gpiomux.c
@@ -11,6 +11,7 @@
  *
  */
 
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <mach/board.h>
@@ -18,6 +19,12 @@
 #include <mach/gpiomux.h>
 #include <mach/socinfo.h>
 
+#define WLAN_CLK	27
+#define WLAN_SET	26
+#define WLAN_DATA0	25
+#define WLAN_DATA1	24
+#define WLAN_DATA2	23
+
 static struct gpiomux_setting gpio_spi_config = {
 	.func = GPIOMUX_FUNC_1,
 	.drv = GPIOMUX_DRV_6MA,
@@ -112,6 +119,18 @@
 	.pull = GPIOMUX_PULL_DOWN,
 };
 
+static struct gpiomux_setting wcnss_5gpio_suspend_cfg = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv  = GPIOMUX_DRV_2MA,
+	.pull = GPIOMUX_PULL_UP,
+};
+
+static struct gpiomux_setting wcnss_5gpio_active_cfg = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv  = GPIOMUX_DRV_6MA,
+	.pull = GPIOMUX_PULL_DOWN,
+};
+
 static struct gpiomux_setting lcd_en_act_cfg = {
 	.func = GPIOMUX_FUNC_GPIO,
 	.drv = GPIOMUX_DRV_8MA,
@@ -405,6 +424,44 @@
 	},
 };
 
+static struct msm_gpiomux_config wcnss_5gpio_interface[] = {
+	{
+		.gpio = 23,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 24,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 25,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 26,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 27,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+};
+
 static struct gpiomux_setting gpio_suspend_config[] = {
 	{
 		.func = GPIOMUX_FUNC_GPIO,  /* IN-NP */
@@ -714,3 +771,109 @@
 		msm_gpiomux_install(msm_cdc_dmic_configs,
 			ARRAY_SIZE(msm_cdc_dmic_configs));
 }
+
+static void wcnss_switch_to_gpio(void)
+{
+	/* Switch MUX to GPIO */
+	msm_gpiomux_install(wcnss_5gpio_interface,
+			ARRAY_SIZE(wcnss_5gpio_interface));
+
+	/* Ensure GPIO config */
+	gpio_direction_input(WLAN_DATA2);
+	gpio_direction_input(WLAN_DATA1);
+	gpio_direction_input(WLAN_DATA0);
+	gpio_direction_output(WLAN_SET, 0);
+	gpio_direction_output(WLAN_CLK, 0);
+}
+
+static void wcnss_switch_to_5wire(void)
+{
+	msm_gpiomux_install(wcnss_5wire_interface,
+			ARRAY_SIZE(wcnss_5wire_interface));
+}
+
+u32 wcnss_rf_read_reg(u32 rf_reg_addr)
+{
+	int count = 0;
+	u32 rf_cmd_and_addr = 0;
+	u32 rf_data_received = 0;
+	u32 rf_bit = 0;
+
+	wcnss_switch_to_gpio();
+
+	/* Reset the signal if it is already being used. */
+	gpio_set_value(WLAN_SET, 0);
+	gpio_set_value(WLAN_CLK, 0);
+
+	/* We start with cmd_set high WLAN_SET = 1. */
+	gpio_set_value(WLAN_SET, 1);
+
+	gpio_direction_output(WLAN_DATA0, 1);
+	gpio_direction_output(WLAN_DATA1, 1);
+	gpio_direction_output(WLAN_DATA2, 1);
+
+	gpio_set_value(WLAN_DATA0, 0);
+	gpio_set_value(WLAN_DATA1, 0);
+	gpio_set_value(WLAN_DATA2, 0);
+
+	/* Prepare command and RF register address that need to sent out.
+	 * Make sure that we send only 14 bits from LSB.
+	 */
+	rf_cmd_and_addr  = (((WLAN_RF_READ_REG_CMD) |
+		(rf_reg_addr << WLAN_RF_REG_ADDR_START_OFFSET)) &
+		WLAN_RF_READ_CMD_MASK);
+
+	for (count = 0; count < 5; count++) {
+		gpio_set_value(WLAN_CLK, 0);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA0, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA1, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA2, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		/* Send the data out WLAN_CLK = 1 */
+		gpio_set_value(WLAN_CLK, 1);
+	}
+
+	/* Pull down the clock signal */
+	gpio_set_value(WLAN_CLK, 0);
+
+	/* Configure data pins to input IO pins */
+	gpio_direction_input(WLAN_DATA0);
+	gpio_direction_input(WLAN_DATA1);
+	gpio_direction_input(WLAN_DATA2);
+
+	for (count = 0; count < 2; count++) {
+		gpio_set_value(WLAN_CLK, 1);
+		gpio_set_value(WLAN_CLK, 0);
+	}
+
+	rf_bit = 0;
+	for (count = 0; count < 6; count++) {
+		gpio_set_value(WLAN_CLK, 1);
+		gpio_set_value(WLAN_CLK, 0);
+
+		rf_bit = gpio_get_value(WLAN_DATA0);
+		rf_data_received |= (rf_bit << (count * 3 + 0));
+
+		if (count != 5) {
+			rf_bit = gpio_get_value(WLAN_DATA1);
+			rf_data_received |= (rf_bit << (count * 3 + 1));
+
+			rf_bit = gpio_get_value(WLAN_DATA2);
+			rf_data_received |= (rf_bit << (count * 3 + 2));
+		}
+	}
+
+	gpio_set_value(WLAN_SET, 0);
+	wcnss_switch_to_5wire();
+
+	return rf_data_received;
+}
diff --git a/arch/arm/mach-msm/board-8610.c b/arch/arm/mach-msm/board-8610.c
index d175bb4..cd9b82e 100644
--- a/arch/arm/mach-msm/board-8610.c
+++ b/arch/arm/mach-msm/board-8610.c
@@ -136,7 +136,7 @@
 	NULL
 };
 
-DT_MACHINE_START(MSM8610_DT, "Qualcomm MSM 8610 (Flattened Device Tree)")
+DT_MACHINE_START(MSM8610_DT, "Qualcomm MSM 8x10 / MSM 8x12 (Flattened Device Tree)")
 	.map_io = msm_map_msm8610_io,
 	.init_irq = msm_dt_init_irq,
 	.init_machine = msm8610_init,
diff --git a/arch/arm/mach-msm/board-8974-gpiomux.c b/arch/arm/mach-msm/board-8974-gpiomux.c
index cec1a8f..5d4d379 100755
--- a/arch/arm/mach-msm/board-8974-gpiomux.c
+++ b/arch/arm/mach-msm/board-8974-gpiomux.c
@@ -11,6 +11,7 @@
  *
  */
 
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <mach/board.h>
@@ -20,6 +21,12 @@
 
 #define KS8851_IRQ_GPIO 94
 
+#define WLAN_CLK	40
+#define WLAN_SET	39
+#define WLAN_DATA0	38
+#define WLAN_DATA1	37
+#define WLAN_DATA2	36
+
 static struct gpiomux_setting ap2mdm_cfg = {
 	.func = GPIOMUX_FUNC_GPIO,
 	.drv = GPIOMUX_DRV_2MA,
@@ -208,6 +215,18 @@
 	.pull = GPIOMUX_PULL_DOWN,
 };
 
+static struct gpiomux_setting wcnss_5gpio_suspend_cfg = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv  = GPIOMUX_DRV_2MA,
+	.pull = GPIOMUX_PULL_UP,
+};
+
+static struct gpiomux_setting wcnss_5gpio_active_cfg = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv  = GPIOMUX_DRV_6MA,
+	.pull = GPIOMUX_PULL_DOWN,
+};
+
 static struct gpiomux_setting ath_gpio_active_cfg = {
 	.func = GPIOMUX_FUNC_GPIO,
 	.drv = GPIOMUX_DRV_2MA,
@@ -1158,6 +1177,43 @@
 	},
 };
 
+static struct msm_gpiomux_config wcnss_5gpio_interface[] = {
+	{
+		.gpio = 36,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 37,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 38,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 39,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+	{
+		.gpio = 40,
+		.settings = {
+			[GPIOMUX_ACTIVE]    = &wcnss_5gpio_active_cfg,
+			[GPIOMUX_SUSPENDED] = &wcnss_5gpio_suspend_cfg,
+		},
+	},
+};
 
 static struct msm_gpiomux_config ath_gpio_configs[] = {
 	{
@@ -1467,3 +1523,109 @@
 		msm_gpiomux_install(apq8074_dragonboard_ts_config,
 			ARRAY_SIZE(apq8074_dragonboard_ts_config));
 }
+
+static void wcnss_switch_to_gpio(void)
+{
+	/* Switch MUX to GPIO */
+	msm_gpiomux_install(wcnss_5gpio_interface,
+			ARRAY_SIZE(wcnss_5gpio_interface));
+
+	/* Ensure GPIO config */
+	gpio_direction_input(WLAN_DATA2);
+	gpio_direction_input(WLAN_DATA1);
+	gpio_direction_input(WLAN_DATA0);
+	gpio_direction_output(WLAN_SET, 0);
+	gpio_direction_output(WLAN_CLK, 0);
+}
+
+static void wcnss_switch_to_5wire(void)
+{
+	msm_gpiomux_install(wcnss_5wire_interface,
+			ARRAY_SIZE(wcnss_5wire_interface));
+}
+
+u32 wcnss_rf_read_reg(u32 rf_reg_addr)
+{
+	int count = 0;
+	u32 rf_cmd_and_addr = 0;
+	u32 rf_data_received = 0;
+	u32 rf_bit = 0;
+
+	wcnss_switch_to_gpio();
+
+	/* Reset the signal if it is already being used. */
+	gpio_set_value(WLAN_SET, 0);
+	gpio_set_value(WLAN_CLK, 0);
+
+	/* We start with cmd_set high WLAN_SET = 1. */
+	gpio_set_value(WLAN_SET, 1);
+
+	gpio_direction_output(WLAN_DATA0, 1);
+	gpio_direction_output(WLAN_DATA1, 1);
+	gpio_direction_output(WLAN_DATA2, 1);
+
+	gpio_set_value(WLAN_DATA0, 0);
+	gpio_set_value(WLAN_DATA1, 0);
+	gpio_set_value(WLAN_DATA2, 0);
+
+	/* Prepare command and RF register address that need to sent out.
+	 * Make sure that we send only 14 bits from LSB.
+	 */
+	rf_cmd_and_addr  = (((WLAN_RF_READ_REG_CMD) |
+		(rf_reg_addr << WLAN_RF_REG_ADDR_START_OFFSET)) &
+		WLAN_RF_READ_CMD_MASK);
+
+	for (count = 0; count < 5; count++) {
+		gpio_set_value(WLAN_CLK, 0);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA0, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA1, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		rf_bit = (rf_cmd_and_addr & 0x1);
+		gpio_set_value(WLAN_DATA2, rf_bit ? 1 : 0);
+		rf_cmd_and_addr = (rf_cmd_and_addr >> 1);
+
+		/* Send the data out WLAN_CLK = 1 */
+		gpio_set_value(WLAN_CLK, 1);
+	}
+
+	/* Pull down the clock signal */
+	gpio_set_value(WLAN_CLK, 0);
+
+	/* Configure data pins to input IO pins */
+	gpio_direction_input(WLAN_DATA0);
+	gpio_direction_input(WLAN_DATA1);
+	gpio_direction_input(WLAN_DATA2);
+
+	for (count = 0; count < 2; count++) {
+		gpio_set_value(WLAN_CLK, 1);
+		gpio_set_value(WLAN_CLK, 0);
+	}
+
+	rf_bit = 0;
+	for (count = 0; count < 6; count++) {
+		gpio_set_value(WLAN_CLK, 1);
+		gpio_set_value(WLAN_CLK, 0);
+
+		rf_bit = gpio_get_value(WLAN_DATA0);
+		rf_data_received |= (rf_bit << (count * 3 + 0));
+
+		if (count != 5) {
+			rf_bit = gpio_get_value(WLAN_DATA1);
+			rf_data_received |= (rf_bit << (count * 3 + 1));
+
+			rf_bit = gpio_get_value(WLAN_DATA2);
+			rf_data_received |= (rf_bit << (count * 3 + 2));
+		}
+	}
+
+	gpio_set_value(WLAN_SET, 0);
+	wcnss_switch_to_5wire();
+
+	return rf_data_received;
+}
diff --git a/arch/arm/mach-msm/clock-8226.c b/arch/arm/mach-msm/clock-8226.c
index 798a33d..d1f8666 100644
--- a/arch/arm/mach-msm/clock-8226.c
+++ b/arch/arm/mach-msm/clock-8226.c
@@ -2583,17 +2583,6 @@
 	},
 };
 
-static struct branch_clk mmss_mmssnoc_bto_ahb_clk = {
-	.cbcr_reg = MMSS_MMSSNOC_BTO_AHB_CBCR,
-	.has_sibling = 1,
-	.base = &virt_bases[MMSS_BASE],
-	.c = {
-		.dbg_name = "mmss_mmssnoc_bto_ahb_clk",
-		.ops = &clk_ops_branch,
-		CLK_INIT(mmss_mmssnoc_bto_ahb_clk.c),
-	},
-};
-
 static struct branch_clk mmss_mmssnoc_axi_clk = {
 	.cbcr_reg = MMSS_MMSSNOC_AXI_CBCR,
 	.has_sibling = 1,
@@ -2695,7 +2684,6 @@
 
 #ifdef CONFIG_DEBUG_FS
 static struct measure_mux_entry measure_mux_MMSS[] = {
-	{ &mmss_mmssnoc_bto_ahb_clk.c,  MMSS_BASE, 0x0002 },
 	{ &mmss_misc_ahb_clk.c,  MMSS_BASE, 0x0003 },
 	{ &mmss_mmssnoc_axi_clk.c,  MMSS_BASE, 0x0004 },
 	{ &mmss_s0_axi_clk.c,  MMSS_BASE, 0x0005 },
@@ -3395,6 +3383,8 @@
 	CLK_LOOKUP("iface_clk", mdss_ahb_clk.c, "fd922800.qcom,mdss_dsi"),
 	CLK_LOOKUP("bus_clk", mdss_axi_clk.c, "fd922800.qcom,mdss_dsi"),
 	CLK_LOOKUP("mdp_core_clk", mdss_mdp_clk.c, "fd922800.qcom,mdss_dsi"),
+	CLK_LOOKUP("core_mmss_clk", mmss_misc_ahb_clk.c,
+		"fd922800.qcom,mdss_dsi"),
 
 	CLK_LOOKUP("core_clk", mdss_mdp_clk.c, "fd900000.qcom,mdss_mdp"),
 	CLK_LOOKUP("lut_clk", mdss_mdp_lut_clk.c, "fd900000.qcom,mdss_mdp"),
@@ -3581,7 +3571,6 @@
 	CLK_LOOKUP("cam_gp1_clk", camss_gp1_clk.c, ""),
 	CLK_LOOKUP("iface_clk", camss_micro_ahb_clk.c, ""),
 
-	CLK_LOOKUP("", mmss_mmssnoc_bto_ahb_clk.c, ""),
 	CLK_LOOKUP("", mmss_mmssnoc_axi_clk.c, ""),
 	CLK_LOOKUP("", mmss_s0_axi_clk.c, ""),
 
diff --git a/arch/arm/mach-msm/clock-8610.c b/arch/arm/mach-msm/clock-8610.c
index 8bd3bb5..e9c749a 100644
--- a/arch/arm/mach-msm/clock-8610.c
+++ b/arch/arm/mach-msm/clock-8610.c
@@ -2347,17 +2347,6 @@
 	},
 };
 
-static struct branch_clk mmss_mmssnoc_bto_ahb_clk = {
-	.cbcr_reg = MMSS_MMSSNOC_BTO_AHB_CBCR,
-	.has_sibling = 1,
-	.base = &virt_bases[MMSS_BASE],
-	.c = {
-		.dbg_name = "mmss_mmssnoc_bto_ahb_clk",
-		.ops = &clk_ops_branch,
-		CLK_INIT(mmss_mmssnoc_bto_ahb_clk.c),
-	},
-};
-
 static struct branch_clk oxili_ahb_clk = {
 	.cbcr_reg = OXILI_AHB_CBCR,
 	.bcr_reg = OXILI_AHB_BCR,
@@ -2991,7 +2980,6 @@
 	CLK_LOOKUP("core_clk",                mdp_vsync_clk.c, ""),
 	CLK_LOOKUP("core_clk",            mmss_misc_ahb_clk.c, ""),
 	CLK_LOOKUP("core_clk",              mmss_s0_axi_clk.c, ""),
-	CLK_LOOKUP("core_clk",     mmss_mmssnoc_bto_ahb_clk.c, ""),
 	CLK_LOOKUP("core_clk",         mmss_mmssnoc_axi_clk.c, ""),
 	CLK_LOOKUP("core_clk",                      vfe_clk.c, ""),
 	CLK_LOOKUP("core_clk",                  vfe_ahb_clk.c, ""),
diff --git a/arch/arm/mach-msm/clock-8974.c b/arch/arm/mach-msm/clock-8974.c
index acfbfc7..b42878d 100755
--- a/arch/arm/mach-msm/clock-8974.c
+++ b/arch/arm/mach-msm/clock-8974.c
@@ -4237,17 +4237,6 @@
 	},
 };
 
-static struct branch_clk mmss_mmssnoc_bto_ahb_clk = {
-	.cbcr_reg = MMSS_MMSSNOC_BTO_AHB_CBCR,
-	.has_sibling = 1,
-	.base = &virt_bases[MMSS_BASE],
-	.c = {
-		.dbg_name = "mmss_mmssnoc_bto_ahb_clk",
-		.ops = &clk_ops_branch,
-		CLK_INIT(mmss_mmssnoc_bto_ahb_clk.c),
-	},
-};
-
 static struct branch_clk mmss_mmssnoc_axi_clk = {
 	.cbcr_reg = MMSS_MMSSNOC_AXI_CBCR,
 	.has_sibling = 1,
@@ -5087,6 +5076,10 @@
 	CLK_LOOKUP("pixel_clk", mdss_pclk1_clk.c, "fd922e00.qcom,mdss_dsi"),
 	CLK_LOOKUP("mdp_core_clk", mdss_mdp_clk.c, "fd922800.qcom,mdss_dsi"),
 	CLK_LOOKUP("mdp_core_clk", mdss_mdp_clk.c, "fd922e00.qcom,mdss_dsi"),
+	CLK_LOOKUP("core_mmss_clk", mmss_misc_ahb_clk.c,
+		"fd922800.qcom,mdss_dsi"),
+	CLK_LOOKUP("core_mmss_clk", mmss_misc_ahb_clk.c,
+		"fd922e00.qcom,mdss_dsi"),
 	CLK_LOOKUP("iface_clk", mdss_ahb_clk.c, "fd922100.qcom,hdmi_tx"),
 	CLK_LOOKUP("alt_iface_clk", mdss_hdmi_ahb_clk.c,
 		"fd922100.qcom,hdmi_tx"),
diff --git a/arch/arm/mach-msm/cpr-regulator.c b/arch/arm/mach-msm/cpr-regulator.c
index b940cb4..d952f82 100644
--- a/arch/arm/mach-msm/cpr-regulator.c
+++ b/arch/arm/mach-msm/cpr-regulator.c
@@ -169,6 +169,8 @@
 	/* Process voltage variables */
 	u32		pvs_bin;
 	u32		speed_bin;
+	u32		pvs_version;
+
 	/* APC voltage regulator */
 	struct regulator	*vdd_apc;
 
@@ -1291,14 +1293,48 @@
 	return rc;
 }
 
-static int cpr_get_of_corner_mappings(struct cpr_regulator *cpr_vreg,
+static void cpr_parse_pvs_version_fuse(struct cpr_regulator *cpr_vreg,
+				struct device_node *of_node)
+{
+	int rc;
+	u64 fuse_bits;
+	u32 fuse_sel[4];
+
+	rc = of_property_read_u32_array(of_node,
+			"qcom,pvs-version-fuse-sel", fuse_sel, 4);
+	if (!rc) {
+		fuse_bits = cpr_read_efuse_row(cpr_vreg,
+				fuse_sel[0], fuse_sel[3]);
+		cpr_vreg->pvs_version = (fuse_bits >> fuse_sel[1]) &
+			((1 << fuse_sel[2]) - 1);
+		pr_info("[row: %d]: 0x%llx, pvs_version = %d\n",
+				fuse_sel[0], fuse_bits, cpr_vreg->pvs_version);
+	} else {
+		cpr_vreg->pvs_version = UINT_MAX;
+	}
+}
+
+/*
+ * cpr_get_corner_quot_adjustment() -- get the quot_adjust for each corner.
+ *
+ * Get the corner to fuse corner (SVS/NORMAL/TURBO) mappings and corner to
+ * APC clock frequency mappings from device tree.
+ * Calculate the quotient adjustment scaling factor for those corners mapping
+ * to the TURBO fuse corner.
+ * Calculate the quotient adjustment for each corner which map to the TURBO
+ * fuse corner.
+ */
+static int cpr_get_corner_quot_adjustment(struct cpr_regulator *cpr_vreg,
 					struct device *dev)
 {
 	int rc = 0;
-	int i, size, stripe_size;
+	int i, size;
 	struct property *prop;
-	u32 *tmp;
 	bool corners_mapped;
+	u32 *tmp, *freq_mappings = NULL;
+	u32 scaling, max_factor;
+	u32 corner, turbo_corner = 0, normal_corner = 0, svs_corner = 0;
+	u32 freq_turbo, freq_normal, freq_corner;
 
 	prop = of_find_property(dev->of_node, "qcom,cpr-corner-map", NULL);
 
@@ -1313,81 +1349,182 @@
 	cpr_vreg->corner_map = devm_kzalloc(dev, sizeof(int) * (size + 1),
 					GFP_KERNEL);
 	if (!cpr_vreg->corner_map) {
-		pr_err("Can't allocate cpr_vreg->corner_map memory\n");
+		pr_err("Can't allocate memory for cpr_vreg->corner_map\n");
 		return -ENOMEM;
 	}
 	cpr_vreg->num_corners = size;
 
+	cpr_vreg->quot_adjust = devm_kzalloc(dev,
+			sizeof(u32) * (cpr_vreg->num_corners + 1),
+			GFP_KERNEL);
+	if (!cpr_vreg->quot_adjust) {
+		pr_err("Can't allocate memory for cpr_vreg->quot_adjust\n");
+		return -ENOMEM;
+	}
+
 	if (!corners_mapped) {
 		for (i = CPR_FUSE_CORNER_SVS; i < CPR_FUSE_CORNER_MAX; i++)
 			cpr_vreg->corner_map[i] = i;
+		return 0;
 	} else {
 		rc = of_property_read_u32_array(dev->of_node,
 			"qcom,cpr-corner-map", &cpr_vreg->corner_map[1], size);
 
 		if (rc) {
-			pr_err("qcom,cpr-corner-map missing, rc = %d", rc);
+			pr_err("qcom,cpr-corner-map missing, rc = %d\n", rc);
 			return rc;
 		}
 	}
 
-	cpr_vreg->quot_adjust = devm_kzalloc(dev,
-			sizeof(int) * (cpr_vreg->num_corners + 1),
-			GFP_KERNEL);
-	if (!cpr_vreg->quot_adjust) {
-		pr_err("Can't allocate cpr_vreg->quot_adjust memory\n");
+	prop = of_find_property(dev->of_node,
+			"qcom,cpr-speed-bin-max-corners", NULL);
+	if (!prop) {
+		cpr_debug("qcom,cpr-speed-bin-max-corner missing\n");
+		return 0;
+	}
+
+	size = prop->length / sizeof(u32);
+	tmp = kzalloc(size * sizeof(u32), GFP_KERNEL);
+	if (!tmp) {
+		pr_err("memory alloc failed\n");
 		return -ENOMEM;
 	}
-
-	prop = of_find_property(dev->of_node, "qcom,cpr-quot-adjust-table",
-				NULL);
-
-	if (prop) {
-		if (!corners_mapped) {
-			pr_err("qcom,cpr-corner-map missing\n");
-			return -EINVAL;
-		}
-
-		size = prop->length / sizeof(u32);
-		tmp = kzalloc(sizeof(u32) * size, GFP_KERNEL);
-		if (!tmp)
-			return -ENOMEM;
-
-		rc = of_property_read_u32_array(dev->of_node,
-				"qcom,cpr-quot-adjust-table", tmp, size);
-		if (rc) {
-			pr_err("qcom,cpr-quot-adjust-table missing, rc = %d",
-				rc);
-			kfree(tmp);
-			return rc;
-		}
-
-		stripe_size = sizeof(struct quot_adjust_info) / sizeof(int);
-
-		if ((size % stripe_size) != 0) {
-			pr_err("qcom,cpr-quot-adjust-table data is not correct");
-			kfree(tmp);
-			return -EINVAL;
-		}
-
-		for (i = 0; i < size; i += stripe_size) {
-			if (tmp[i] == cpr_vreg->speed_bin) {
-				if (tmp[i + 1] >= 1 &&
-					tmp[i + 1] <=
-					cpr_vreg->num_corners) {
-					cpr_vreg->quot_adjust[tmp[i + 1]] =
-					tmp[i + 2];
-				} else {
-					pr_err("qcom,cpr-quot-adjust-table data is not correct");
-					kfree(tmp);
-					return -EINVAL;
-				}
-			}
-		}
-
+	rc = of_property_read_u32_array(dev->of_node,
+		"qcom,cpr-speed-bin-max-corners", tmp, size);
+	if (rc < 0) {
 		kfree(tmp);
+		pr_err("get cpr-speed-bin-max-corners failed, rc = %d\n", rc);
+		return rc;
 	}
 
+	cpr_parse_pvs_version_fuse(cpr_vreg, dev->of_node);
+
+	/*
+	 * According to speed_bin && pvs_version, get the maximum
+	 * corner corresponding to SVS/NORMAL/TURBO fuse corner.
+	 */
+	for (i = 0; i < size; i += 5) {
+		if (tmp[i] == cpr_vreg->speed_bin &&
+			tmp[i + 1] == cpr_vreg->pvs_version) {
+			svs_corner = tmp[i + 2];
+			normal_corner = tmp[i + 3];
+			turbo_corner = tmp[i + 4];
+			break;
+		}
+	}
+	kfree(tmp);
+	/*
+	 * Return success if the virtual corner values read from
+	 * qcom,cpr-speed-bin-max-corners property are incorrect,
+	 * which make sure the driver could continue run without
+	 * error.
+	 */
+	if (turbo_corner <= normal_corner ||
+			turbo_corner > cpr_vreg->num_corners) {
+		cpr_debug("turbo:%d should be larger than normal:%d\n",
+				turbo_corner, normal_corner);
+		return 0;
+	}
+
+	prop = of_find_property(dev->of_node,
+			"qcom,cpr-corner-frequency-map", NULL);
+	if (!prop) {
+		cpr_debug("qcom,cpr-corner-frequency-map missing\n");
+		return 0;
+	}
+
+	size = prop->length / sizeof(u32);
+	tmp = kzalloc(sizeof(u32) * size, GFP_KERNEL);
+	if (!tmp) {
+		pr_err("memory alloc failed\n");
+		return -ENOMEM;
+	}
+	rc = of_property_read_u32_array(dev->of_node,
+		"qcom,cpr-corner-frequency-map", tmp, size);
+	if (rc < 0) {
+		pr_err("get cpr-corner-frequency-map failed, rc = %d\n", rc);
+		kfree(tmp);
+		return rc;
+	}
+	freq_mappings = kzalloc(sizeof(u32) * (cpr_vreg->num_corners + 1),
+			GFP_KERNEL);
+	if (!freq_mappings) {
+		pr_err("memory alloc for freq_mappings failed!\n");
+		kfree(tmp);
+		return -ENOMEM;
+	}
+	for (i = 0; i < size; i += 2) {
+		corner = tmp[i];
+		if ((corner < 1) || (corner > cpr_vreg->num_corners)) {
+			pr_err("corner should be in 1~%d range: %d\n",
+					cpr_vreg->num_corners, corner);
+			continue;
+		}
+		freq_mappings[corner] = tmp[i + 1];
+		cpr_debug("Frequency at virtual corner %d is %d Hz.\n",
+				corner, freq_mappings[corner]);
+	}
+	kfree(tmp);
+
+	rc = of_property_read_u32(dev->of_node,
+		"qcom,cpr-quot-adjust-scaling-factor-max",
+		&max_factor);
+	if (rc < 0) {
+		cpr_debug("get cpr-quot-adjust-scaling-factor-max failed\n");
+		kfree(freq_mappings);
+		return 0;
+	}
+
+	/*
+	 * Get the quot adjust scaling factor, according to:
+	 * scaling =
+	 * min(1000 * (QUOT(fused @turbo) - QUOT(fused @normal)) /
+	 * (freq_turbo - freq_normal), max_factor)
+	 *
+	 * @QUOT(fused @turbo): quotient read from fuse for TURBO fuse corner;
+	 * @QUOT(fused @normal): quotient read from fuse for NORMAL fuse corner;
+	 * @freq_turbo: MHz, max frequency running at TURBO fuse corner;
+	 * @freq_normal: MHz, max frequency running at NORMAL fuse corner.
+	 */
+
+	freq_turbo = freq_mappings[turbo_corner];
+	freq_normal = freq_mappings[normal_corner];
+	if (freq_normal == 0 || freq_turbo <= freq_normal) {
+		pr_err("freq_turbo: %d should larger than freq_normal: %d\n",
+				freq_turbo, freq_normal);
+		kfree(freq_mappings);
+		return -EINVAL;
+	}
+	freq_turbo /= 1000000;	/* MHz */
+	freq_normal /= 1000000;
+	scaling = 1000 *
+		(cpr_vreg->cpr_fuse_target_quot[CPR_FUSE_CORNER_TURBO] -
+		cpr_vreg->cpr_fuse_target_quot[CPR_FUSE_CORNER_NORMAL]) /
+		(freq_turbo - freq_normal);
+	scaling = min(scaling, max_factor);
+	pr_info("quotient adjustment scaling factor: %d.%03d\n",
+			scaling / 1000, scaling % 1000);
+
+	/*
+	 * Walk through the corners mapped to the TURBO fuse corner and
+	 * calculate the quotient adjustment for each one using the following
+	 * formula:
+	 * quot_adjust = (freq_turbo - freq_corner) * scaling / 1000
+	 *
+	 * @freq_turbo: MHz, max frequency running at TURBO fuse corner;
+	 * @freq_corner: MHz, frequency running at a corner.
+	 */
+	for (i = turbo_corner; i > normal_corner; i--) {
+		freq_corner = freq_mappings[i] / 1000000; /* MHz */
+		if (freq_corner > 0) {
+			cpr_vreg->quot_adjust[i] =
+				scaling * (freq_turbo - freq_corner) / 1000;
+		}
+		pr_info("adjusted quotient[%d] = %d\n", i,
+			(cpr_vreg->cpr_fuse_target_quot[cpr_vreg->corner_map[i]]
+				- cpr_vreg->quot_adjust[i]));
+	}
+	kfree(freq_mappings);
 	return 0;
 }
 
@@ -1531,7 +1668,7 @@
 		}
 	}
 
-	rc = cpr_get_of_corner_mappings(cpr_vreg, &pdev->dev);
+	rc = cpr_get_corner_quot_adjustment(cpr_vreg, &pdev->dev);
 	if (rc)
 		return rc;
 
@@ -1724,12 +1861,12 @@
 	cpr_vreg->efuse_addr = res->start;
 	len = res->end - res->start + 1;
 
-	pr_info("efuse_addr = 0x%x (len=0x%x)\n", res->start, len);
+	pr_info("efuse_addr = %pa (len=0x%x)\n", &res->start, len);
 
 	cpr_vreg->efuse_base = ioremap(cpr_vreg->efuse_addr, len);
 	if (!cpr_vreg->efuse_base) {
-		pr_err("Unable to map efuse_addr 0x%08x\n",
-				cpr_vreg->efuse_addr);
+		pr_err("Unable to map efuse_addr %pa\n",
+				&cpr_vreg->efuse_addr);
 		return -EINVAL;
 	}
 
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 89e3b51..c7f8b74 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -27,6 +27,12 @@
 #include <linux/msm_ssbi.h>
 #include <mach/msm_bus.h>
 
+#define WLAN_RF_REG_ADDR_START_OFFSET   0x3
+#define WLAN_RF_REG_DATA_START_OFFSET   0xf
+#define WLAN_RF_READ_REG_CMD            0x3
+#define WLAN_RF_WRITE_REG_CMD           0x2
+#define WLAN_RF_READ_CMD_MASK           0x3fff
+
 struct msm_camera_io_ext {
 	uint32_t mdcphy;
 	uint32_t mdcsz;
@@ -677,4 +683,5 @@
 extern phys_addr_t msm_shared_ram_phys; /* defined in arch/arm/mach-msm/io.c */
 
 
+u32 wcnss_rf_read_reg(u32 rf_reg_addr);
 #endif
diff --git a/arch/arm/mach-msm/include/mach/kgsl.h b/arch/arm/mach-msm/include/mach/kgsl.h
index f398652..edfe6b4 100644
--- a/arch/arm/mach-msm/include/mach/kgsl.h
+++ b/arch/arm/mach-msm/include/mach/kgsl.h
@@ -91,6 +91,7 @@
 	struct coresight_device *csdev;
 	struct coresight_platform_data *coresight_pdata;
 	unsigned int chipid;
+	unsigned int pm_qos_latency;
 };
 
 #endif
diff --git a/arch/arm/mach-msm/include/mach/ocmem_priv.h b/arch/arm/mach-msm/include/mach/ocmem_priv.h
index 32d58d4..00aedb6 100644
--- a/arch/arm/mach-msm/include/mach/ocmem_priv.h
+++ b/arch/arm/mach-msm/include/mach/ocmem_priv.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -226,7 +226,6 @@
 int process_dump(int, struct ocmem_handle *, unsigned long);
 int ocmem_rdm_transfer(int, struct ocmem_map_list *,
 				unsigned long, int);
-int ocmem_clear(unsigned long, unsigned long);
 unsigned long process_quota(int);
 int ocmem_memory_off(int, unsigned long, unsigned long);
 int ocmem_memory_on(int, unsigned long, unsigned long);
diff --git a/arch/arm/mach-msm/include/mach/subsystem_notif.h b/arch/arm/mach-msm/include/mach/subsystem_notif.h
index 5865eff..59e212f 100644
--- a/arch/arm/mach-msm/include/mach/subsystem_notif.h
+++ b/arch/arm/mach-msm/include/mach/subsystem_notif.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011, 2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2011, 2013-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -25,6 +25,7 @@
 	SUBSYS_BEFORE_POWERUP,
 	SUBSYS_AFTER_POWERUP,
 	SUBSYS_RAMDUMP_NOTIFICATION,
+	SUBSYS_POWERUP_FAILURE,
 	SUBSYS_NOTIF_TYPE_COUNT
 };
 
diff --git a/arch/arm/mach-msm/lpm_levels.c b/arch/arm/mach-msm/lpm_levels.c
index 7128017..9857162 100644
--- a/arch/arm/mach-msm/lpm_levels.c
+++ b/arch/arm/mach-msm/lpm_levels.c
@@ -526,7 +526,7 @@
 		if (latency_us < pwr->latency_us)
 			continue;
 
-		if (next_event_us)
+		if (next_event_us) {
 			if (next_event_us < pwr->latency_us)
 				continue;
 
@@ -535,6 +535,7 @@
 				next_wakeup_us = next_event_us
 					- pwr->latency_us;
 			}
+		}
 
 		if (next_wakeup_us <= pwr->time_overhead_us)
 			continue;
diff --git a/arch/arm/mach-msm/msm_bus/msm_bus_fabric.c b/arch/arm/mach-msm/msm_bus/msm_bus_fabric.c
index 626c5e8..0ffc194 100644
--- a/arch/arm/mach-msm/msm_bus/msm_bus_fabric.c
+++ b/arch/arm/mach-msm/msm_bus/msm_bus_fabric.c
@@ -364,7 +364,7 @@
 {
 	struct msm_bus_fabric *fabric = to_msm_bus_fabric(fabdev);
 	void *sel_cdata;
-	long rounded_rate;
+	long rounded_rate, cur_rate;
 
 	sel_cdata = fabric->cdata[ctx];
 
@@ -379,16 +379,20 @@
 	}
 
 	/* Enable clocks before accessing QoS registers */
-	if (fabric->info.nodeclk[DUAL_CTX].clk)
+	if (fabric->info.nodeclk[DUAL_CTX].clk) {
 		if (fabric->info.nodeclk[DUAL_CTX].rate == 0) {
-			rounded_rate = clk_round_rate(fabric->
-				info.nodeclk[DUAL_CTX].clk, 1);
+			cur_rate = clk_get_rate(
+					fabric->info.nodeclk[DUAL_CTX].clk);
+			rounded_rate = clk_round_rate(
+					fabric->info.nodeclk[DUAL_CTX].clk,
+					cur_rate ? cur_rate : 1);
 		if (clk_set_rate(fabric->info.nodeclk[DUAL_CTX].clk,
 				rounded_rate))
 			MSM_BUS_ERR("Error: clk: en: Node: %d rate: %ld",
 				fabric->fabdev.id, rounded_rate);
 
 		clk_prepare_enable(fabric->info.nodeclk[DUAL_CTX].clk);
+		}
 	}
 
 	if (info->iface_clk.clk)
@@ -514,22 +518,26 @@
 	struct msm_bus_inode_info *info, uint64_t req_clk, uint64_t req_bw)
 {
 	struct msm_bus_fabric *fabric = to_msm_bus_fabric(fabdev);
-	long rounded_rate;
+	long rounded_rate, cur_rate;
 
 	if (fabdev->hw_algo.config_master == NULL)
 		return;
 
 	/* Enable clocks before accessing QoS registers */
-	if (fabric->info.nodeclk[DUAL_CTX].clk)
+	if (fabric->info.nodeclk[DUAL_CTX].clk) {
 		if (fabric->info.nodeclk[DUAL_CTX].rate == 0) {
-			rounded_rate = clk_round_rate(fabric->
-				info.nodeclk[DUAL_CTX].clk, 1);
+			cur_rate = clk_get_rate(
+					fabric->info.nodeclk[DUAL_CTX].clk);
+			rounded_rate = clk_round_rate(
+					fabric->info.nodeclk[DUAL_CTX].clk,
+					cur_rate ? cur_rate : 1);
 		if (clk_set_rate(fabric->info.nodeclk[DUAL_CTX].clk,
 				rounded_rate))
 			MSM_BUS_ERR("Error: clk: en: Node: %d rate: %ld",
 				fabric->fabdev.id, rounded_rate);
 
 		clk_prepare_enable(fabric->info.nodeclk[DUAL_CTX].clk);
+		}
 	}
 
 	if (info->iface_clk.clk)
diff --git a/arch/arm/mach-msm/ocmem_core.c b/arch/arm/mach-msm/ocmem_core.c
index c186a5e..f753391 100644
--- a/arch/arm/mach-msm/ocmem_core.c
+++ b/arch/arm/mach-msm/ocmem_core.c
@@ -51,6 +51,7 @@
 static struct ocmem_hw_region *region_ctrl;
 static struct mutex region_ctrl_lock;
 static void *ocmem_base;
+static void *ocmem_vbase;
 
 #define OCMEM_V1_MACROS 8
 #define OCMEM_V1_MACRO_SZ (SZ_64K)
@@ -562,6 +563,13 @@
 	ocmem_write(0x0, ocmem_base + OC_GFX_MPU_END);
 }
 
+int ocmem_clear(unsigned long start, unsigned long size)
+{
+	memset((ocmem_vbase + start), 0x4D4D434F, size);
+	mb();
+	return 0;
+}
+
 static int do_lock(enum ocmem_client id, unsigned long offset,
 			unsigned long len, enum region_mode mode)
 {
@@ -1144,6 +1152,7 @@
 
 	pdata = platform_get_drvdata(pdev);
 	ocmem_base = pdata->reg_base;
+	ocmem_vbase = pdata->vbase;
 
 	rc = ocmem_enable_core_clock();
 
diff --git a/arch/arm/mach-msm/ocmem_rdm.c b/arch/arm/mach-msm/ocmem_rdm.c
index 4ff7212..9eac050 100644
--- a/arch/arm/mach-msm/ocmem_rdm.c
+++ b/arch/arm/mach-msm/ocmem_rdm.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -149,38 +149,6 @@
 	return IRQ_HANDLED;
 }
 
-#ifdef CONFIG_MSM_OCMEM_NONSECURE
-int ocmem_clear(unsigned long start, unsigned long size)
-{
-	INIT_COMPLETION(dm_clear_event);
-	/* Clear DM Mask */
-	ocmem_write(DM_MASK_RESET, dm_base + DM_INTR_MASK);
-	/* Clear DM Interrupts */
-	ocmem_write(DM_INTR_RESET, dm_base + DM_INTR_CLR);
-	/* DM CLR offset */
-	ocmem_write(start, dm_base + DM_CLR_OFFSET);
-	/* DM CLR size */
-	ocmem_write(size, dm_base + DM_CLR_SIZE);
-	/* Wipe out memory as "OCMM" */
-	ocmem_write(0x4D4D434F, dm_base + DM_CLR_PATTERN);
-	/* The offset, size and pattern for clearing must be set
-	 * before triggering the clearing engine
-	 */
-	mb();
-	/* Trigger Data Clear */
-	ocmem_write(DM_CLR_ENABLE, dm_base + DM_CLR_TRIGGER);
-
-	wait_for_completion(&dm_clear_event);
-
-	return 0;
-}
-#else
-int ocmem_clear(unsigned long start, unsigned long size)
-{
-	return 0;
-}
-#endif
-
 /* Lock during transfers */
 int ocmem_rdm_transfer(int id, struct ocmem_map_list *clist,
 			unsigned long start, int direction)
diff --git a/arch/arm/mach-msm/qdsp6v2/Makefile b/arch/arm/mach-msm/qdsp6v2/Makefile
index 6bd3efb..3d7638d 100644
--- a/arch/arm/mach-msm/qdsp6v2/Makefile
+++ b/arch/arm/mach-msm/qdsp6v2/Makefile
@@ -12,7 +12,7 @@
 obj-$(CONFIG_FB_MSM_HDMI_MSM_PANEL) += lpa_if_hdmi.o
 endif
 obj-$(CONFIG_MSM_QDSP6_APR) += apr.o apr_v1.o apr_tal.o q6core.o dsp_debug.o
-obj-$(CONFIG_MSM_QDSP6_APRV2) += apr.o apr_v2.o apr_tal.o dsp_debug.o
+obj-$(CONFIG_MSM_QDSP6_APRV2) += apr.o apr_v2.o apr_tal.o dsp_debug.o voice_svc.o
 ifdef CONFIG_ARCH_MSM9615
 obj-y += audio_acdb.o
 obj-y += rtac.o
diff --git a/arch/arm/mach-msm/qdsp6v2/apr.c b/arch/arm/mach-msm/qdsp6v2/apr.c
index 8d9ad29..937eeda 100644
--- a/arch/arm/mach-msm/qdsp6v2/apr.c
+++ b/arch/arm/mach-msm/qdsp6v2/apr.c
@@ -436,7 +436,7 @@
 	if (data.payload_size > 0)
 		data.payload = (char *)hdr + hdr_size;
 
-	temp_port = ((data.src_port >> 8) * 8) + (data.src_port & 0xFF);
+	temp_port = ((data.dest_port >> 8) * 8) + (data.dest_port & 0xFF);
 	pr_debug("port = %d t_port = %d\n", data.src_port, temp_port);
 	if (c_svc->port_cnt && c_svc->port_fn[temp_port])
 		c_svc->port_fn[temp_port](&data,  c_svc->port_priv[temp_port]);
diff --git a/arch/arm/mach-msm/qdsp6v2/msm_audio_ion.c b/arch/arm/mach-msm/qdsp6v2/msm_audio_ion.c
index 399e073..df7760a 100644
--- a/arch/arm/mach-msm/qdsp6v2/msm_audio_ion.c
+++ b/arch/arm/mach-msm/qdsp6v2/msm_audio_ion.c
@@ -344,7 +344,7 @@
 		pr_err("%s: ion import dma buffer failed\n",
 			__func__);
 		rc = -EINVAL;
-		goto err_destroy_client;
+		goto err;
 	}
 
 	if (ionflag != NULL) {
@@ -380,10 +380,6 @@
 
 err_ion_handle:
 	ion_free(client, *handle);
-err_destroy_client:
-	msm_audio_ion_client_destroy(client);
-	client = NULL;
-	*handle = NULL;
 err:
 	return rc;
 }
diff --git a/arch/arm/mach-msm/qdsp6v2/voice_svc.c b/arch/arm/mach-msm/qdsp6v2/voice_svc.c
new file mode 100644
index 0000000..92b3003
--- /dev/null
+++ b/arch/arm/mach-msm/qdsp6v2/voice_svc.c
@@ -0,0 +1,593 @@
+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/cdev.h>
+#include <sound/voice_svc.h>
+#include <mach/qdsp6v2/apr_tal.h>
+#include <mach/qdsp6v2/apr.h>
+
+#define DRIVER_NAME "voice_svc"
+#define MINOR_NUMBER 1
+#define APR_MAX_RESPONSE 10
+
+#define MAX(a, b) ((a) >= (b) ? (a) : (b))
+
+struct voice_svc_device {
+	struct cdev *cdev;
+	struct device *dev;
+	int major;
+};
+
+struct voice_svc_prvt {
+	void* apr_q6_mvm;
+	void* apr_q6_cvs;
+	uint16_t response_count;
+	struct list_head response_queue;
+	wait_queue_head_t response_wait;
+	spinlock_t response_lock;
+};
+
+struct apr_data {
+	struct apr_hdr hdr;
+	__u8 payload[0];
+} __packed;
+
+struct apr_response_list {
+	struct list_head list;
+	struct voice_svc_cmd_response resp;
+};
+
+static struct voice_svc_device *voice_svc_dev;
+static struct class *voice_svc_class;
+dev_t device_num;
+
+static int32_t qdsp_apr_callback(struct apr_client_data *data, void *priv)
+{
+	struct voice_svc_prvt *prtd;
+	struct apr_response_list *response_list;
+	unsigned long spin_flags;
+
+	if ((data == NULL) || (priv == NULL)) {
+		pr_err("%s: data or priv is NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	prtd = (struct voice_svc_prvt*)priv;
+
+	pr_debug("%s: data->opcode %x\n", __func__,
+		 data->opcode);
+
+	if (data->opcode == RESET_EVENTS) {
+		if (data->reset_proc == APR_DEST_QDSP6) {
+			pr_debug("%s: Received reset event\n", __func__);
+
+			if (prtd->apr_q6_mvm != NULL) {
+				apr_reset(prtd->apr_q6_mvm);
+				prtd->apr_q6_mvm = NULL;
+			}
+
+			if (prtd->apr_q6_cvs != NULL) {
+				apr_reset(prtd->apr_q6_cvs);
+				prtd->apr_q6_cvs = NULL;
+			}
+		} else if (data->reset_proc ==APR_DEST_MODEM) {
+			pr_debug("%s: Received Modem reset event\n", __func__);
+		}
+	}
+
+	spin_lock_irqsave(&prtd->response_lock, spin_flags);
+
+	if (prtd->response_count < APR_MAX_RESPONSE) {
+		response_list = (struct apr_response_list *)kmalloc(
+			sizeof(struct apr_response_list) + data->payload_size,
+			GFP_ATOMIC);
+		if (response_list == NULL) {
+			pr_err("%s: kmalloc failed\n", __func__);
+
+			return -ENOMEM;
+		}
+
+		response_list->resp.src_port = data->src_port;
+		response_list->resp.dest_port = ((data->dest_port) >> 8);
+		response_list->resp.token = data->token;
+		response_list->resp.opcode = data->opcode;
+		response_list->resp.payload_size = data->payload_size;
+		if (data->payload != NULL && data->payload_size > 0) {
+			memcpy(response_list->resp.payload, data->payload,
+				data->payload_size);
+		}
+
+		list_add_tail(&response_list->list, &prtd->response_queue);
+		prtd->response_count++;
+
+		wake_up(&prtd->response_wait);
+	} else {
+		pr_err("%s: Response dropped since the queue is full\n", __func__);
+	}
+
+	spin_unlock_irqrestore(&prtd->response_lock, spin_flags);
+
+	return 0;
+}
+
+static void voice_svc_update_hdr(struct voice_svc_cmd_request* apr_req_data,
+			    struct apr_data *aprdata,
+			    struct voice_svc_prvt *prtd)
+{
+
+	aprdata->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, \
+				       APR_HDR_LEN(sizeof(struct apr_hdr)),\
+				       APR_PKT_VER);
+	aprdata->hdr.src_port = ((apr_req_data->src_port) << 8 | 0x0001);
+	aprdata->hdr.dest_port = apr_req_data->dest_port;
+	aprdata->hdr.token = apr_req_data->token;
+	aprdata->hdr.opcode = apr_req_data->opcode;
+	aprdata->hdr.pkt_size  = APR_PKT_SIZE(APR_HDR_SIZE,
+					apr_req_data->payload_size);
+	memcpy(aprdata->payload, apr_req_data->payload,
+	       apr_req_data->payload_size);
+}
+
+static int voice_svc_send_req(struct voice_svc_cmd_request *apr_request,
+			      struct voice_svc_prvt *prtd)
+{
+	int ret = 0;
+	void *apr_handle = NULL;
+	struct apr_data *aprdata = NULL;
+	uint32_t user_payload_size = 0;
+
+	if (apr_request == NULL) {
+		pr_err("%s: apr_request is NULL\n", __func__);
+
+		ret = -EINVAL;
+		goto done;
+	}
+
+	user_payload_size = apr_request->payload_size;
+
+	aprdata = kmalloc(sizeof(struct apr_data) + user_payload_size,
+			  GFP_KERNEL);
+
+	if (aprdata == NULL) {
+		pr_err("%s: aprdata kmalloc failed.", __func__);
+
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	voice_svc_update_hdr(apr_request, aprdata, prtd);
+
+	if (!strncmp(apr_request->svc_name, VOICE_SVC_CVS_STR,
+	    MAX(sizeof(apr_request->svc_name), sizeof(VOICE_SVC_CVS_STR)))) {
+		apr_handle = prtd->apr_q6_cvs;
+	} else if (!strncmp(apr_request->svc_name, VOICE_SVC_MVM_STR,
+	    MAX(sizeof(apr_request->svc_name), sizeof(VOICE_SVC_MVM_STR)))) {
+		apr_handle = prtd->apr_q6_mvm;
+	} else {
+		pr_err("%s: Invalid service %s\n", __func__,
+			apr_request->svc_name);
+
+		ret = -EINVAL;
+		goto done;
+	}
+
+	ret = apr_send_pkt(apr_handle, (uint32_t *)aprdata);
+
+	if (ret < 0) {
+		pr_err("%s: Fail in sending SNDRV_VOICE_SVC_REQUEST\n",
+			__func__);
+		ret = -EINVAL;
+	} else {
+		pr_debug("%s: apr packet sent successfully %d\n",
+				__func__, ret);
+		ret = 0;
+	}
+
+done:
+	if (aprdata != NULL)
+		kfree(aprdata);
+
+	return ret;
+}
+static int voice_svc_reg(char *svc, uint32_t src_port,
+			 struct voice_svc_prvt *prtd, void **handle)
+{
+	int ret = 0;
+
+	if (handle == NULL) {
+		pr_err("%s: handle is NULL\n", __func__);
+		ret = -EINVAL;
+		goto done;
+	}
+
+	if (*handle != NULL) {
+		pr_err("%s: svc handle not NULL\n", __func__);
+		ret = -EINVAL;
+		goto done;
+	}
+
+	*handle = apr_register("ADSP",
+		svc, qdsp_apr_callback,
+		((src_port) << 8 | 0x0001),
+		prtd);
+
+	if (*handle == NULL) {
+		pr_err("%s: Unable to register %s\n",
+		__func__, svc);
+
+		ret = -EFAULT;
+		goto done;
+	}
+	pr_debug("%s: register %s successful\n",
+		__func__, svc);
+done:
+	return ret;
+}
+
+static int voice_svc_dereg(char *svc, void **handle)
+{
+	int ret = 0;
+	if (handle == NULL) {
+		pr_err("%s: handle is NULL\n", __func__);
+		ret = -EINVAL;
+		goto done;
+	}
+
+	apr_deregister(*handle);
+	*handle = NULL;
+	pr_debug("%s: deregister %s successful\n",
+		__func__, svc);
+
+done:
+	return 0;
+}
+
+static int process_reg_cmd(struct voice_svc_register apr_reg_svc,
+			     struct voice_svc_prvt *prtd)
+{
+	int ret = 0;
+	char *svc = NULL;
+	void **handle = NULL;
+
+	if (!strncmp(apr_reg_svc.svc_name, VOICE_SVC_MVM_STR,
+	    MAX(sizeof(apr_reg_svc.svc_name), sizeof(VOICE_SVC_MVM_STR)))) {
+		svc = VOICE_SVC_MVM_STR;
+		handle = &prtd->apr_q6_mvm;
+	} else if (!strncmp(apr_reg_svc.svc_name, VOICE_SVC_CVS_STR,
+            MAX(sizeof(apr_reg_svc.svc_name), sizeof(VOICE_SVC_CVS_STR)))) {
+		svc = VOICE_SVC_CVS_STR;
+		handle = &prtd->apr_q6_cvs;
+	} else {
+		pr_err("%s: Invalid Service: %s\n", __func__,
+				apr_reg_svc.svc_name);
+		ret = -EINVAL;
+		goto done;
+	}
+
+	if (*handle == NULL &&
+	    apr_reg_svc.reg_flag) {
+		ret = voice_svc_reg(svc, apr_reg_svc.src_port, prtd,
+				    handle);
+	} else if (handle != NULL &&
+		   !apr_reg_svc.reg_flag) {
+		ret = voice_svc_dereg(svc, handle);
+	}
+
+done:
+	return ret;
+}
+
+static long voice_svc_ioctl(struct file *file, unsigned int cmd,
+			    unsigned long u_arg)
+{
+	int ret = 0;
+	struct voice_svc_prvt *prtd;
+	struct voice_svc_register apr_reg_svc;
+	struct voice_svc_cmd_request *apr_request = NULL;
+	struct voice_svc_cmd_response *apr_response = NULL;
+	struct apr_response_list *resp;
+	void __user *arg = (void __user *)u_arg;
+	uint32_t user_payload_size = 0;
+	unsigned long spin_flags;
+
+	pr_debug("%s: cmd: %u\n", __func__, cmd);
+
+	prtd = (struct voice_svc_prvt*)file->private_data;
+
+	switch (cmd) {
+	case SNDRV_VOICE_SVC_REGISTER_SVC:
+		pr_debug("%s: size of struct: %d\n", __func__,
+				sizeof(apr_reg_svc));
+		if (copy_from_user(&apr_reg_svc, arg, sizeof(apr_reg_svc))) {
+			pr_err("%s: copy_from_user failed\n", __func__);
+
+			ret = -EFAULT;
+			goto done;
+		}
+
+		ret = process_reg_cmd(apr_reg_svc, prtd);
+
+		break;
+	case SNDRV_VOICE_SVC_CMD_REQUEST:
+		if (!access_ok(VERIFY_READ, arg,
+				sizeof(struct voice_svc_cmd_request))) {
+			pr_err("%s: Unable to read user data", __func__);
+
+			ret = -EFAULT;
+			goto done;
+		}
+
+		user_payload_size =
+			((struct voice_svc_cmd_request*)arg)->payload_size;
+
+		apr_request = kmalloc(sizeof(struct voice_svc_cmd_request) +
+				      user_payload_size, GFP_KERNEL);
+
+		if (apr_request == NULL) {
+			pr_err("%s: apr_request kmalloc failed.", __func__);
+
+			ret = -ENOMEM;
+			goto done;
+		}
+
+		if (copy_from_user(apr_request, arg,
+				sizeof(struct voice_svc_cmd_request) +
+				user_payload_size)) {
+			pr_err("%s: copy from user failed, size %d\n", __func__,
+				sizeof(struct voice_svc_cmd_request) +
+				user_payload_size);
+
+			ret = -EFAULT;
+			goto done;
+		}
+
+		ret = voice_svc_send_req(apr_request, prtd);
+
+		break;
+
+	case SNDRV_VOICE_SVC_CMD_RESPONSE:
+		do {
+			if (!access_ok(VERIFY_READ, arg,
+				sizeof(struct voice_svc_cmd_response))) {
+				pr_err("%s: Unable to read user data",
+				       __func__);
+
+				ret = -EFAULT;
+				goto done;
+			}
+
+			user_payload_size =
+			    ((struct voice_svc_cmd_response*)arg)->payload_size;
+			pr_debug("%s: RESPONSE: user payload size %d",
+				 __func__, user_payload_size);
+
+			spin_lock_irqsave(&prtd->response_lock, spin_flags);
+			if (!list_empty(&prtd->response_queue)) {
+				resp = list_first_entry(&prtd->response_queue,
+						struct apr_response_list, list);
+
+				if (user_payload_size <
+					resp->resp.payload_size) {
+					pr_err("%s: Invalid payload size %d,%d",
+					       __func__, user_payload_size,
+					       resp->resp.payload_size);
+					ret = -ENOMEM;
+					spin_unlock_irqrestore(
+						&prtd->response_lock,
+						spin_flags);
+					goto done;
+				}
+
+				if (!access_ok(VERIFY_WRITE, arg,
+					sizeof(struct voice_svc_cmd_response) +
+					resp->resp.payload_size)) {
+					ret = -EFAULT;
+					spin_unlock_irqrestore(
+						&prtd->response_lock,
+						spin_flags);
+					goto done;
+				}
+
+				if (copy_to_user(arg, &resp->resp,
+					sizeof(struct voice_svc_cmd_response) +
+					resp->resp.payload_size)) {
+					pr_err("%s: copy to user failed, size \
+						%d\n", __func__,
+					sizeof(struct voice_svc_cmd_response) +
+						resp->resp.payload_size);
+
+					ret = -EFAULT;
+					spin_unlock_irqrestore(
+						&prtd->response_lock,
+						spin_flags);
+					goto done;
+				}
+
+				prtd->response_count--;
+
+				list_del(&resp->list);
+				kfree(resp);
+				spin_unlock_irqrestore(&prtd->response_lock,
+							spin_flags);
+				goto done;
+			} else {
+				spin_unlock_irqrestore(&prtd->response_lock,
+							spin_flags);
+				wait_event_interruptible(prtd->response_wait,
+					!list_empty(&prtd->response_queue));
+				pr_debug("%s: Interupt recieved for response",
+					 __func__);
+			}
+		} while(!apr_response);
+		break;
+	default:
+		pr_debug("%s: cmd: %u\n", __func__, cmd);
+		ret = -EINVAL;
+	}
+
+done:
+	if (apr_request != NULL)
+		kfree(apr_request);
+
+	return ret;
+}
+
+static int voice_svc_open(struct inode *inode, struct file *file)
+{
+	struct voice_svc_prvt *prtd = NULL;
+
+	prtd = kmalloc(sizeof(struct voice_svc_prvt), GFP_KERNEL);
+
+	if (prtd == NULL) {
+		pr_err("%s: kmalloc failed", __func__);
+
+		return -ENOMEM;
+	}
+
+	memset(prtd, 0, sizeof(struct voice_svc_prvt));
+	prtd->apr_q6_cvs = NULL;
+	prtd->apr_q6_mvm = NULL;
+	prtd->response_count = 0;
+
+	INIT_LIST_HEAD(&prtd->response_queue);
+	init_waitqueue_head(&prtd->response_wait);
+	spin_lock_init(&prtd->response_lock);
+
+	file->private_data = (void*)prtd;
+
+	return 0;
+}
+
+static int voice_svc_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static const struct file_operations voice_svc_fops = {
+	.owner =                THIS_MODULE,
+	.open =                 voice_svc_open,
+	.unlocked_ioctl =       voice_svc_ioctl,
+	.release =              voice_svc_release,
+};
+
+
+static int voice_svc_probe(struct platform_device *pdev)
+{
+	int ret = 0;
+
+	voice_svc_dev = devm_kzalloc(&pdev->dev, sizeof(struct voice_svc_device),
+			GFP_KERNEL);
+	if (!voice_svc_dev) {
+		pr_err("%s: kzalloc failed\n", __func__);
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	ret = alloc_chrdev_region(&device_num, 0, MINOR_NUMBER, DRIVER_NAME);
+	if (ret) {
+		pr_err("%s: Failed to alloc chrdev\n", __func__);
+		ret = -ENODEV;
+		goto done;
+	}
+
+	voice_svc_dev->major = MAJOR(device_num);
+	voice_svc_class = class_create(THIS_MODULE, DRIVER_NAME);
+	if (IS_ERR(voice_svc_class)) {
+		ret = PTR_ERR(voice_svc_class);
+		pr_err("%s: Failed to create class; err = %d\n", __func__,
+			ret);
+		goto class_err;
+	}
+
+	voice_svc_dev->dev = device_create(voice_svc_class, NULL, device_num,
+					   NULL, DRIVER_NAME);
+	if (IS_ERR(voice_svc_dev->dev)) {
+		ret = PTR_ERR(voice_svc_dev->dev);
+		pr_err("%s: Failed to create device; err = %d\n", __func__,
+			ret);
+		goto dev_err;
+	}
+
+	voice_svc_dev->cdev = cdev_alloc();
+	cdev_init(voice_svc_dev->cdev, &voice_svc_fops);
+	ret = cdev_add(voice_svc_dev->cdev, device_num, MINOR_NUMBER);
+	if (ret) {
+		pr_err("%s: Failed to register chrdev; err = %d\n", __func__,
+			ret);
+		goto add_err;
+	}
+	pr_debug("%s: Device created\n", __func__);
+	goto done;
+
+add_err:
+	cdev_del(voice_svc_dev->cdev);
+	device_destroy(voice_svc_class, device_num);
+dev_err:
+	class_destroy(voice_svc_class);
+class_err:
+	unregister_chrdev_region(0, MINOR_NUMBER);
+done:
+	return ret;
+}
+
+static int voice_svc_remove(struct platform_device *pdev)
+{
+	cdev_del(voice_svc_dev->cdev);
+	kfree(voice_svc_dev->cdev);
+	device_destroy(voice_svc_class, device_num);
+	class_destroy(voice_svc_class);
+	unregister_chrdev_region(0, MINOR_NUMBER);
+	kfree(voice_svc_dev);
+
+	return 0;
+}
+
+static struct of_device_id voice_svc_of_match[] = {
+	{.compatible = "qcom,msm-voice-svc"},
+	{ }
+};
+MODULE_DEVICE_TABLE(of, voice_svc_of_match);
+
+static struct platform_driver voice_svc_driver = {
+	.probe          = voice_svc_probe,
+	.remove         = voice_svc_remove,
+	.driver         = {
+		.name   = "msm-voice-svc",
+		.owner  = THIS_MODULE,
+		.of_match_table = voice_svc_of_match,
+	},
+};
+
+static int __init voice_svc_init(void)
+{
+	return platform_driver_register(&voice_svc_driver);
+}
+
+static void __exit voice_svc_exit(void)
+{
+	platform_driver_unregister(&voice_svc_driver);
+}
+
+module_init(voice_svc_init);
+module_exit(voice_svc_exit);
+
+MODULE_DESCRIPTION("Soc QDSP6v2 Audio APR driver");
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-msm/smd_tty.c b/arch/arm/mach-msm/smd_tty.c
index 428d5b0..9cb26e1 100644
--- a/arch/arm/mach-msm/smd_tty.c
+++ b/arch/arm/mach-msm/smd_tty.c
@@ -551,7 +551,7 @@
 
 static void smd_tty_close(struct tty_struct *tty, struct file *f)
 {
-	struct smd_tty_info *info = tty->driver_data;
+	struct smd_tty_info *info = smd_tty + tty->index;
 
 	tty_port_close(&info->port, tty, f);
 }
diff --git a/arch/arm/mach-msm/socinfo.c b/arch/arm/mach-msm/socinfo.c
index 9f50547..ab03712 100644
--- a/arch/arm/mach-msm/socinfo.c
+++ b/arch/arm/mach-msm/socinfo.c
@@ -678,6 +678,8 @@
 			char *buf)
 {
 	uint32_t hw_subtype;
+	WARN_ONCE(1, "Deprecated, use platform_subtype_id instead\n");
+
 	if (!socinfo) {
 		pr_err("%s: No socinfo found!\n", __func__);
 		return 0;
@@ -707,6 +709,18 @@
 }
 
 static ssize_t
+socinfo_show_platform_subtype_id(struct sys_device *dev,
+			struct sysdev_attribute *attr,
+			char *buf)
+{
+	uint32_t hw_subtype;
+
+	hw_subtype = socinfo_get_platform_subtype();
+	return snprintf(buf, PAGE_SIZE, "%u\n",
+		hw_subtype);
+}
+
+static ssize_t
 socinfo_show_pmic_model(struct sys_device *dev,
 			struct sysdev_attribute *attr,
 			char *buf)
@@ -829,6 +843,17 @@
 }
 
 static ssize_t
+msm_get_platform_subtype_id(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	uint32_t hw_subtype;
+	hw_subtype = socinfo_get_platform_subtype();
+	return snprintf(buf, PAGE_SIZE, "%u\n",
+		hw_subtype);
+}
+
+static ssize_t
 msm_get_pmic_model(struct device *dev,
 			struct device_attribute *attr,
 			char *buf)
@@ -974,6 +999,8 @@
 static struct sysdev_attribute socinfo_v6_files[] = {
 	_SYSDEV_ATTR(platform_subtype, 0444,
 			socinfo_show_platform_subtype, NULL),
+	_SYSDEV_ATTR(platform_subtype_id, 0444,
+			socinfo_show_platform_subtype_id, NULL),
 };
 
 static struct sysdev_attribute socinfo_v7_files[] = {
@@ -1059,6 +1086,13 @@
 	__ATTR(platform_subtype, S_IRUGO,
 			msm_get_platform_subtype, NULL);
 
+/* Platform Subtype String is being deprecated. Use Platform
+ * Subtype ID instead.
+ */
+static struct device_attribute msm_soc_attr_platform_subtype_id =
+	__ATTR(platform_subtype_id, S_IRUGO,
+			msm_get_platform_subtype_id, NULL);
+
 static struct device_attribute msm_soc_attr_pmic_model =
 	__ATTR(pmic_model, S_IRUGO,
 			msm_get_pmic_model, NULL);
@@ -1152,6 +1186,8 @@
 	case 6:
 		device_create_file(msm_soc_device,
 					&msm_soc_attr_platform_subtype);
+		device_create_file(msm_soc_device,
+					&msm_soc_attr_platform_subtype_id);
 	case 5:
 		device_create_file(msm_soc_device,
 					&msm_soc_attr_accessory_chip);
diff --git a/arch/arm/mach-msm/subsystem_restart.c b/arch/arm/mach-msm/subsystem_restart.c
index 01e0985..bc4eb76 100644
--- a/arch/arm/mach-msm/subsystem_restart.c
+++ b/arch/arm/mach-msm/subsystem_restart.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -466,13 +466,20 @@
 
 	pr_info("[%p]: Powering up %s\n", current, name);
 	init_completion(&dev->err_ready);
-	if (dev->desc->powerup(dev->desc) < 0)
+
+	if (dev->desc->powerup(dev->desc) < 0) {
+		notify_each_subsys_device(&dev, 1, SUBSYS_POWERUP_FAILURE,
+								NULL);
 		panic("[%p]: Powerup error: %s!", current, name);
+	}
 
 	ret = wait_for_err_ready(dev);
-	if (ret)
+	if (ret) {
+		notify_each_subsys_device(&dev, 1, SUBSYS_POWERUP_FAILURE,
+								NULL);
 		panic("[%p]: Timed out waiting for error ready: %s!",
 			current, name);
+	}
 	subsys_set_state(dev, SUBSYS_ONLINE);
 }
 
@@ -500,8 +507,11 @@
 
 	init_completion(&subsys->err_ready);
 	ret = subsys->desc->start(subsys->desc);
-	if (ret)
+	if (ret){
+		notify_each_subsys_device(&subsys, 1, SUBSYS_POWERUP_FAILURE,
+									NULL);
 		return ret;
+	}
 
 	if (subsys->desc->is_not_loadable) {
 		subsys_set_state(subsys, SUBSYS_ONLINE);
@@ -509,12 +519,14 @@
 	}
 
 	ret = wait_for_err_ready(subsys);
-	if (ret)
+	if (ret) {
 		/* pil-boot succeeded but we need to shutdown
 		 * the device because error ready timed out.
 		 */
+		notify_each_subsys_device(&subsys, 1, SUBSYS_POWERUP_FAILURE,
+									NULL);
 		subsys->desc->stop(subsys->desc);
-	else
+	} else
 		subsys_set_state(subsys, SUBSYS_ONLINE);
 
 	return ret;
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 885721f..606383a 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -547,9 +547,9 @@
 
 	VM_BUG_ON(pfn + count > cma->base_pfn + cma->count);
 
+	free_contig_range(pfn, count);
 	mutex_lock(&cma_mutex);
 	bitmap_clear(cma->bitmap, pfn - cma->base_pfn, count);
-	free_contig_range(pfn, count);
 	mutex_unlock(&cma_mutex);
 
 	return true;
diff --git a/drivers/char/diag/diagchar.h b/drivers/char/diag/diagchar.h
index 606953d..99647a7 100644
--- a/drivers/char/diag/diagchar.h
+++ b/drivers/char/diag/diagchar.h
@@ -107,6 +107,10 @@
 #define DIAG_STM_WCNSS	0x04
 #define DIAG_STM_APPS	0x08
 
+#define DIAG_DIAG_STM		0x214
+
+#define BAD_PARAM_RESPONSE_MESSAGE 20
+
 /*
  * The status bit masks when received in a signal handler are to be
  * used in conjunction with the peripheral list bit mask to determine the
diff --git a/drivers/char/diag/diagfwd.c b/drivers/char/diag/diagfwd.c
index 8cc7515..0bbb012 100644
--- a/drivers/char/diag/diagfwd.c
+++ b/drivers/char/diag/diagfwd.c
@@ -56,6 +56,8 @@
 #define STM_RSP_SMD_COMPLY_INDEX	9
 #define STM_RSP_NUM_BYTES		10
 
+#define STM_COMMAND_VALID 1
+
 #define SMD_DRAIN_BUF_SIZE 4096
 
 int diag_debug_buf_idx;
@@ -1136,20 +1138,44 @@
 	}
 }
 
-int diag_process_stm_cmd(unsigned char *buf)
+int diag_process_stm_cmd(unsigned char *buf, unsigned char *dest_buf)
 {
-	uint8_t version = *(buf+STM_CMD_VERSION_OFFSET);
-	uint8_t mask = *(buf+STM_CMD_MASK_OFFSET);
-	uint8_t cmd = *(buf+STM_CMD_DATA_OFFSET);
+	uint8_t version, mask, cmd;
 	uint8_t rsp_supported = 0;
 	uint8_t rsp_smd_comply = 0;
-	int valid_command = 1;
 	int i;
 
-	/* Check if command is valid */
-	if ((version != 1) || (mask == 0) || (0 != (mask >> 4)) ||
-			(cmd != ENABLE_STM && cmd != DISABLE_STM)) {
-		valid_command = 0;
+	if (!buf || !dest_buf) {
+		pr_err("diag: Invalid pointers buf: %p, dest_buf %p in %s\n",
+		       buf, dest_buf, __func__);
+		return -EIO;
+	}
+
+	version = *(buf + STM_CMD_VERSION_OFFSET);
+	mask = *(buf + STM_CMD_MASK_OFFSET);
+	cmd = *(buf + STM_CMD_DATA_OFFSET);
+
+	/*
+	 * Check if command is valid. If the command is asking for
+	 * status, then the processor mask field is to be ignored.
+	 */
+	if ((version != 1) || (cmd > STATUS_STM) ||
+		((cmd != STATUS_STM) && ((mask == 0) || (0 != (mask >> 4))))) {
+		/* Command is invalid. Send bad param message response */
+		dest_buf[0] = BAD_PARAM_RESPONSE_MESSAGE;
+		for (i = 0; i < STM_CMD_NUM_BYTES; i++)
+			dest_buf[i+1] = *(buf + i);
+		return STM_CMD_NUM_BYTES+1;
+	} else if (cmd == STATUS_STM) {
+		/*
+		 * Only the status is being queried, so fill in whether diag
+		 * over stm is supported or not
+		 */
+		for (i = 0; i < NUM_SMD_CONTROL_CHANNELS; i++)
+			if (driver->peripheral_supports_stm[i])
+				rsp_supported |= 1 << i;
+
+		rsp_supported |= DIAG_STM_APPS;
 	} else {
 		if (mask & DIAG_STM_MODEM)
 			diag_process_stm_mask(cmd, DIAG_STM_MODEM, MODEM_DATA,
@@ -1169,15 +1195,13 @@
 	}
 
 	for (i = 0; i < STM_CMD_NUM_BYTES; i++)
-		driver->apps_rsp_buf[i] = *(buf+i);
+		dest_buf[i] = *(buf + i);
 
-	driver->apps_rsp_buf[STM_RSP_VALID_INDEX] = valid_command;
-	driver->apps_rsp_buf[STM_RSP_SUPPORTED_INDEX] = rsp_supported;
-	driver->apps_rsp_buf[STM_RSP_SMD_COMPLY_INDEX] = rsp_smd_comply;
+	dest_buf[STM_RSP_VALID_INDEX] = STM_COMMAND_VALID;
+	dest_buf[STM_RSP_SUPPORTED_INDEX] = rsp_supported;
+	dest_buf[STM_RSP_SMD_COMPLY_INDEX] = rsp_smd_comply;
 
-	encode_rsp_and_send(STM_RSP_NUM_BYTES-1);
-
-	return 0;
+	return STM_RSP_NUM_BYTES;
 }
 
 int diag_apps_responds()
@@ -1273,8 +1297,13 @@
 		encode_rsp_and_send(7);
 		return 0;
 	} else if ((*buf == 0x4b) && (*(buf+1) == 0x12) &&
-		(*(uint16_t *)(buf+2) == 0x020E)) {
-		return diag_process_stm_cmd(buf);
+		(*(uint16_t *)(buf+2) == DIAG_DIAG_STM)) {
+		len = diag_process_stm_cmd(buf, driver->apps_rsp_buf);
+		if (len > 0) {
+			encode_rsp_and_send(len - 1);
+			return 0;
+		}
+		return len;
 	}
 	/* Check for Apps Only & get event mask request */
 	else if (diag_apps_responds() && *buf == 0x81) {
diff --git a/drivers/char/diag/diagfwd_cntl.h b/drivers/char/diag/diagfwd_cntl.h
index d79195c..7f5ea03 100644
--- a/drivers/char/diag/diagfwd_cntl.h
+++ b/drivers/char/diag/diagfwd_cntl.h
@@ -54,8 +54,9 @@
 #define ENABLE_SEPARATE_CMDRSP	1
 #define DISABLE_SEPARATE_CMDRSP	0
 
-#define ENABLE_STM	1
 #define DISABLE_STM	0
+#define ENABLE_STM	1
+#define STATUS_STM	2
 
 #define UPDATE_PERIPHERAL_STM_STATE	1
 #define CLEAR_PERIPHERAL_STM_STATE	2
diff --git a/drivers/coresight/coresight-tmc.c b/drivers/coresight/coresight-tmc.c
index f35ba53..0c7c9e0 100644
--- a/drivers/coresight/coresight-tmc.c
+++ b/drivers/coresight/coresight-tmc.c
@@ -177,6 +177,7 @@
 	bool			byte_cntr_read_active;
 	wait_queue_head_t	wq;
 	char			*byte_cntr_node;
+	uint32_t		mem_size;
 };
 
 static void tmc_wait_for_flush(struct tmc_drvdata *drvdata)
@@ -1310,6 +1311,32 @@
 static DEVICE_ATTR(byte_cntr_value, S_IRUGO | S_IWUSR,
 		   tmc_etr_show_byte_cntr_value, tmc_etr_store_byte_cntr_value);
 
+static ssize_t tmc_etr_show_mem_size(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
+{
+	struct tmc_drvdata *drvdata = dev_get_drvdata(dev->parent);
+	unsigned long val = drvdata->mem_size;
+
+	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
+}
+
+static ssize_t tmc_etr_store_mem_size(struct device *dev,
+				      struct device_attribute *attr,
+				      const char *buf, size_t size)
+{
+	struct tmc_drvdata *drvdata = dev_get_drvdata(dev->parent);
+	unsigned long val;
+
+	if (sscanf(buf, "%lx", &val) != 1)
+		return -EINVAL;
+
+	drvdata->mem_size = val;
+	return size;
+}
+static DEVICE_ATTR(mem_size, S_IRUGO | S_IWUSR,
+		   tmc_etr_show_mem_size, tmc_etr_store_mem_size);
+
 static struct attribute *tmc_attrs[] = {
 	&dev_attr_trigger_cntr.attr,
 	NULL,
@@ -1322,6 +1349,7 @@
 static struct attribute *tmc_etr_attrs[] = {
 	&dev_attr_out_mode.attr,
 	&dev_attr_byte_cntr_value.attr,
+	&dev_attr_mem_size.attr,
 	NULL,
 };
 
diff --git a/drivers/cpufreq/cpu-boost.c b/drivers/cpufreq/cpu-boost.c
index f20510d..b4aec53 100644
--- a/drivers/cpufreq/cpu-boost.c
+++ b/drivers/cpufreq/cpu-boost.c
@@ -335,8 +335,6 @@
 	int cpu, ret;
 	struct cpu_sync *s;
 
-	cpufreq_register_notifier(&boost_adjust_nb, CPUFREQ_POLICY_NOTIFIER);
-
 	cpu_boost_wq = alloc_workqueue("cpuboost_wq", WQ_HIGHPRI, 0);
 	if (!cpu_boost_wq)
 		return -EFAULT;
@@ -354,10 +352,11 @@
 					"boost_sync/%d", cpu);
 		set_cpus_allowed(s->thread, *cpumask_of(cpu));
 	}
+	cpufreq_register_notifier(&boost_adjust_nb, CPUFREQ_POLICY_NOTIFIER);
 	atomic_notifier_chain_register(&migration_notifier_head,
 					&boost_migration_nb);
-
 	ret = input_register_handler(&cpuboost_input_handler);
+
 	return 0;
 }
 late_initcall(cpu_boost_init);
diff --git a/drivers/crypto/msm/qcrypto.c b/drivers/crypto/msm/qcrypto.c
index 3aebaf0..48dc6ec 100644
--- a/drivers/crypto/msm/qcrypto.c
+++ b/drivers/crypto/msm/qcrypto.c
@@ -39,6 +39,7 @@
 #include <crypto/authenc.h>
 #include <crypto/scatterwalk.h>
 #include <crypto/internal/hash.h>
+#include <crypto/internal/aead.h>
 
 #include <mach/scm.h>
 #include <linux/platform_data/qcom_crypto_device.h>
@@ -66,6 +67,8 @@
 	u32 aead_sha1_3des_dec;
 	u32 aead_ccm_aes_enc;
 	u32 aead_ccm_aes_dec;
+	u32 aead_rfc4309_ccm_aes_enc;
+	u32 aead_rfc4309_ccm_aes_dec;
 	u32 aead_op_success;
 	u32 aead_op_fail;
 	u32 aead_bad_msg;
@@ -231,6 +234,8 @@
 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
 #define QCRYPTO_MAX_IV_LENGTH	16
 
+#define	QCRYPTO_CCM4309_NONCE_LEN	3
+
 struct qcrypto_cipher_ctx {
 	u8 auth_key[QCRYPTO_MAX_KEY_SIZE];
 	u8 iv[QCRYPTO_MAX_IV_LENGTH];
@@ -244,10 +249,12 @@
 	struct crypto_priv *cp;
 	unsigned int flags;
 	struct crypto_engine *pengine;  /* fixed engine assigned */
+	u8 ccm4309_nonce[QCRYPTO_CCM4309_NONCE_LEN];
 };
 
 struct qcrypto_cipher_req_ctx {
 	u8 *iv;
+	u8 rfc4309_iv[QCRYPTO_MAX_IV_LENGTH];
 	unsigned int ivsize;
 	int  aead;
 	struct scatterlist asg;		/* Formatted associated data sg  */
@@ -736,7 +743,12 @@
 	len += scnprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
 			"   AEAD CCM-AES decryption     : %d\n",
 					pstat->aead_ccm_aes_dec);
-
+	len += scnprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
+			"   AEAD RFC4309-CCM-AES encryption     : %d\n",
+					pstat->aead_rfc4309_ccm_aes_enc);
+	len += scnprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
+			"   AEAD RFC4309-CCM-AES decryption     : %d\n",
+					pstat->aead_rfc4309_ccm_aes_dec);
 	len += scnprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
 			"   AEAD operation success       : %d\n",
 					pstat->aead_op_success);
@@ -1272,6 +1284,12 @@
 	uint32_t bytes = 0;
 	uint32_t num_sg = 0;
 
+	if (alen == 0) {
+		qreq->assoc = NULL;
+		qreq->assoclen = 0;
+		return 0;
+	}
+
 	qreq->assoc = kzalloc((alen + 0x64), GFP_ATOMIC);
 	if (!qreq->assoc) {
 		pr_err("qcrypto Memory allocation of adata FAIL, error %ld\n",
@@ -1455,7 +1473,10 @@
 	qreq.authkey = cipher_ctx->auth_key;
 	qreq.authklen = cipher_ctx->auth_key_len;
 	qreq.authsize = crypto_aead_authsize(aead);
-	qreq.ivsize =  crypto_aead_ivsize(aead);
+	if (qreq.mode == QCE_MODE_CCM)
+		qreq.ivsize =  AES_BLOCK_SIZE;
+	else
+		qreq.ivsize =  crypto_aead_ivsize(aead);
 	qreq.flags = cipher_ctx->flags;
 
 	if (qreq.mode == QCE_MODE_CCM) {
@@ -1502,8 +1523,9 @@
 				kzfree(qreq.assoc);
 				return -ENOMEM;
 			}
-
-			memcpy((char *)rctx->data, qreq.assoc, qreq.assoclen);
+			if (qreq.assoclen)
+				memcpy((char *)rctx->data, qreq.assoc,
+						 qreq.assoclen);
 
 			num_sg = qcrypto_count_sg(req->src, req->cryptlen);
 			bytes = qcrypto_sg_copy_to_buffer(req->src, num_sg,
@@ -1845,6 +1867,29 @@
 	return _qcrypto_queue_req(cp, ctx->pengine, &req->base);
 }
 
+static int _qcrypto_aead_rfc4309_enc_aes_ccm(struct aead_request *req)
+{
+	struct qcrypto_cipher_req_ctx *rctx;
+	struct qcrypto_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+	struct crypto_priv *cp = ctx->cp;
+	struct crypto_stat *pstat;
+
+	pstat = &_qcrypto_stat;
+
+	rctx = aead_request_ctx(req);
+	rctx->aead = 1;
+	rctx->alg = CIPHER_ALG_AES;
+	rctx->dir = QCE_ENCRYPT;
+	rctx->mode = QCE_MODE_CCM;
+	memset(rctx->rfc4309_iv, 0, sizeof(rctx->rfc4309_iv));
+	rctx->rfc4309_iv[0] = 3; /* L -1 */
+	memcpy(&rctx->rfc4309_iv[1], ctx->ccm4309_nonce, 3);
+	memcpy(&rctx->rfc4309_iv[4], req->iv, 8);
+	rctx->iv = rctx->rfc4309_iv;
+	pstat->aead_rfc4309_ccm_aes_enc++;
+	return _qcrypto_queue_req(cp, ctx->pengine, &req->base);
+}
+
 static int _qcrypto_enc_des_ecb(struct ablkcipher_request *req)
 {
 	struct qcrypto_cipher_req_ctx *rctx;
@@ -2136,6 +2181,27 @@
 	return _qcrypto_queue_req(cp, ctx->pengine, &req->base);
 }
 
+static int _qcrypto_aead_rfc4309_dec_aes_ccm(struct aead_request *req)
+{
+	struct qcrypto_cipher_req_ctx *rctx;
+	struct qcrypto_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+	struct crypto_priv *cp = ctx->cp;
+	struct crypto_stat *pstat;
+
+	pstat = &_qcrypto_stat;
+	rctx = aead_request_ctx(req);
+	rctx->aead = 1;
+	rctx->alg = CIPHER_ALG_AES;
+	rctx->dir = QCE_DECRYPT;
+	rctx->mode = QCE_MODE_CCM;
+	memset(rctx->rfc4309_iv, 0, sizeof(rctx->rfc4309_iv));
+	rctx->rfc4309_iv[0] = 3; /* L -1 */
+	memcpy(&rctx->rfc4309_iv[1], ctx->ccm4309_nonce, 3);
+	memcpy(&rctx->rfc4309_iv[4], req->iv, 8);
+	rctx->iv = rctx->rfc4309_iv;
+	pstat->aead_rfc4309_ccm_aes_dec++;
+	return _qcrypto_queue_req(cp, ctx->pengine, &req->base);
+}
 static int _qcrypto_aead_setauthsize(struct crypto_aead *authenc,
 				unsigned int authsize)
 {
@@ -2166,6 +2232,24 @@
 	return 0;
 }
 
+static int _qcrypto_aead_rfc4309_ccm_setauthsize(struct crypto_aead *authenc,
+				  unsigned int authsize)
+{
+	struct qcrypto_cipher_ctx *ctx = crypto_aead_ctx(authenc);
+
+	switch (authsize) {
+	case 8:
+	case 12:
+	case 16:
+		break;
+	default:
+		return -EINVAL;
+	}
+	ctx->authsize = authsize;
+	return 0;
+}
+
+
 static int _qcrypto_aead_setkey(struct crypto_aead *tfm, const u8 *key,
 			unsigned int keylen)
 {
@@ -2231,6 +2315,21 @@
 	return 0;
 }
 
+static int _qcrypto_aead_rfc4309_ccm_setkey(struct crypto_aead *aead,
+				 const u8 *key, unsigned int key_len)
+{
+	struct crypto_tfm *tfm = crypto_aead_tfm(aead);
+	struct qcrypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+	int ret;
+
+	if (key_len < QCRYPTO_CCM4309_NONCE_LEN)
+		return -EINVAL;
+	key_len -= QCRYPTO_CCM4309_NONCE_LEN;
+	memcpy(ctx->ccm4309_nonce, key + key_len,  QCRYPTO_CCM4309_NONCE_LEN);
+	ret = _qcrypto_aead_ccm_setkey(aead, key, key_len);
+	return ret;
+};
+
 static int _qcrypto_aead_encrypt_aes_cbc(struct aead_request *req)
 {
 	struct qcrypto_cipher_req_ctx *rctx;
@@ -3762,7 +3861,7 @@
 	.cra_u		= {
 		.aead = {
 			.ivsize         = AES_BLOCK_SIZE,
-			.maxauthsize    = SHA1_DIGEST_SIZE,
+			.maxauthsize    = AES_BLOCK_SIZE,
 			.setkey = _qcrypto_aead_ccm_setkey,
 			.setauthsize = _qcrypto_aead_ccm_setauthsize,
 			.encrypt = _qcrypto_aead_encrypt_aes_ccm,
@@ -3772,6 +3871,31 @@
 	}
 };
 
+static struct crypto_alg _qcrypto_aead_rfc4309_ccm_algo = {
+	.cra_name	= "rfc4309(ccm(aes))",
+	.cra_driver_name = "qcrypto-rfc4309-aes-ccm",
+	.cra_priority	= 300,
+	.cra_flags	= CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+	.cra_blocksize  = 1,
+	.cra_ctxsize	= sizeof(struct qcrypto_cipher_ctx),
+	.cra_alignmask	= 0,
+	.cra_type	= &crypto_nivaead_type,
+	.cra_module	= THIS_MODULE,
+	.cra_init	= _qcrypto_cra_aead_init,
+	.cra_exit	= _qcrypto_cra_aead_exit,
+	.cra_u		= {
+		.aead = {
+			.ivsize         = 8,
+			.maxauthsize    = 16,
+			.setkey = _qcrypto_aead_rfc4309_ccm_setkey,
+			.setauthsize = _qcrypto_aead_rfc4309_ccm_setauthsize,
+			.encrypt = _qcrypto_aead_rfc4309_enc_aes_ccm,
+			.decrypt = _qcrypto_aead_rfc4309_dec_aes_ccm,
+			.geniv = "seqiv",
+		}
+	}
+};
+
 
 static int  _qcrypto_probe(struct platform_device *pdev)
 {
@@ -4078,6 +4202,36 @@
 			dev_info(&pdev->dev, "%s\n",
 					q_alg->cipher_alg.cra_driver_name);
 		}
+
+		q_alg = _qcrypto_cipher_alg_alloc(cp,
+					&_qcrypto_aead_rfc4309_ccm_algo);
+		if (IS_ERR(q_alg)) {
+			rc = PTR_ERR(q_alg);
+			goto err;
+		}
+
+		if (cp->ce_support.use_sw_aes_ccm_algo) {
+			rc = _qcrypto_prefix_alg_cra_name(
+					q_alg->cipher_alg.cra_name,
+					strlen(q_alg->cipher_alg.cra_name));
+			if (rc) {
+				dev_err(&pdev->dev,
+						"The algorithm name %s is too long.\n",
+						q_alg->cipher_alg.cra_name);
+				kfree(q_alg);
+				goto err;
+			}
+		}
+		rc = crypto_register_alg(&q_alg->cipher_alg);
+		if (rc) {
+			dev_err(&pdev->dev, "%s alg registration failed\n",
+					q_alg->cipher_alg.cra_driver_name);
+			kfree(q_alg);
+		} else {
+			list_add_tail(&q_alg->entry, &cp->alg_list);
+			dev_info(&pdev->dev, "%s\n",
+					q_alg->cipher_alg.cra_driver_name);
+		}
 	}
 
 	mutex_unlock(&cp->engine_lock);
diff --git a/drivers/gpio/qpnp-pin.c b/drivers/gpio/qpnp-pin.c
index 8d934df..6176df9 100644
--- a/drivers/gpio/qpnp-pin.c
+++ b/drivers/gpio/qpnp-pin.c
@@ -182,6 +182,7 @@
 	struct device_node	*int_ctrl;
 	struct list_head	chip_list;
 	struct dentry		*dfs_dir;
+	bool			chip_registered;
 };
 
 static LIST_HEAD(qpnp_pin_chips);
@@ -912,7 +913,7 @@
 static int qpnp_pin_free_chip(struct qpnp_pin_chip *q_chip)
 {
 	struct spmi_device *spmi = q_chip->spmi;
-	int rc, i;
+	int i, rc = 0;
 
 	if (q_chip->chip_gpios)
 		for (i = 0; i < spmi->num_dev_node; i++)
@@ -921,10 +922,12 @@
 	mutex_lock(&qpnp_pin_chips_lock);
 	list_del(&q_chip->chip_list);
 	mutex_unlock(&qpnp_pin_chips_lock);
-	rc = gpiochip_remove(&q_chip->gpio_chip);
-	if (rc)
-		dev_err(&q_chip->spmi->dev, "%s: unable to remove gpio\n",
-				__func__);
+	if (q_chip->chip_registered) {
+		rc = gpiochip_remove(&q_chip->gpio_chip);
+		if (rc)
+			dev_err(&q_chip->spmi->dev, "%s: unable to remove gpio\n",
+					__func__);
+	}
 	kfree(q_chip->chip_gpios);
 	kfree(q_chip->pmic_pins);
 	kfree(q_chip);
@@ -1342,6 +1345,7 @@
 		goto err_probe;
 	}
 
+	q_chip->chip_registered = true;
 	/* now configure gpio config defaults if they exist */
 	for (i = 0; i < spmi->num_dev_node; i++) {
 		q_spec = qpnp_chip_gpio_get_spec(q_chip, i);
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c
index 7717829..7a92fe6 100644
--- a/drivers/gpu/msm/adreno.c
+++ b/drivers/gpu/msm/adreno.c
@@ -1625,17 +1625,19 @@
 			goto err;
 		}
 
-		ret = of_property_read_u32_array(child, "reg", reg_val, 2);
-		if (ret) {
-			KGSL_CORE_ERR("Unable to read KGSL IOMMU 'reg'\n");
+		if (!strcmp("gfx3d_user", ctxs[ctx_index].iommu_ctx_name)) {
+			ctxs[ctx_index].ctx_id = 0;
+		} else if (!strcmp("gfx3d_priv",
+					ctxs[ctx_index].iommu_ctx_name)) {
+			ctxs[ctx_index].ctx_id = 1;
+		} else if (!strcmp("gfx3d_spare",
+					ctxs[ctx_index].iommu_ctx_name)) {
+			ctxs[ctx_index].ctx_id = 2;
+		} else {
+			KGSL_CORE_ERR("dt: IOMMU context %s is invalid\n",
+				ctxs[ctx_index].iommu_ctx_name);
 			goto err;
 		}
-		if (msm_soc_version_supports_iommu_v0())
-			ctxs[ctx_index].ctx_id = (reg_val[0] -
-				data->physstart) >> KGSL_IOMMU_CTX_SHIFT;
-		else
-			ctxs[ctx_index].ctx_id = ((reg_val[0] -
-				data->physstart) >> KGSL_IOMMU_CTX_SHIFT) - 8;
 
 		ctx_index++;
 	}
@@ -1690,6 +1692,12 @@
 	if (ret)
 		goto err;
 
+	/* get pm-qos-latency from target, set it to default if not found */
+	if (adreno_of_read_property(pdev->dev.of_node, "qcom,pm-qos-latency",
+		&pdata->pm_qos_latency))
+		pdata->pm_qos_latency = 501;
+
+
 	if (adreno_of_read_property(pdev->dev.of_node, "qcom,idle-timeout",
 		&pdata->idle_timeout))
 		pdata->idle_timeout = HZ/12;
diff --git a/drivers/gpu/msm/kgsl_events.c b/drivers/gpu/msm/kgsl_events.c
index e21fd88..ccd13d5 100644
--- a/drivers/gpu/msm/kgsl_events.c
+++ b/drivers/gpu/msm/kgsl_events.c
@@ -210,7 +210,7 @@
 	kgsl_event_func func, void *priv, void *owner)
 {
 	struct kgsl_event *event;
-	unsigned int queued, cur_ts;
+	unsigned int queued = 0, cur_ts;
 	struct kgsl_context *context = NULL;
 
 	BUG_ON(!mutex_is_locked(&device->mutex));
@@ -224,11 +224,21 @@
 			return -EINVAL;
 	}
 
-	queued = kgsl_readtimestamp(device, context, KGSL_TIMESTAMP_QUEUED);
+	/*
+	 * If the caller is creating their own timestamps, let them schedule
+	 * events in the future. Otherwise only allow timestamps that have been
+	 * queued.
+	 */
+	if (context == NULL ||
+		((context->flags & KGSL_CONTEXT_USER_GENERATED_TS) == 0)) {
 
-	if (timestamp_cmp(ts, queued) > 0) {
-		kgsl_context_put(context);
-		return -EINVAL;
+		queued = kgsl_readtimestamp(device, context,
+						KGSL_TIMESTAMP_QUEUED);
+
+		if (timestamp_cmp(ts, queued) > 0) {
+			kgsl_context_put(context);
+			return -EINVAL;
+		}
 	}
 
 	cur_ts = kgsl_readtimestamp(device, context, KGSL_TIMESTAMP_RETIRED);
diff --git a/drivers/gpu/msm/kgsl_mmu.c b/drivers/gpu/msm/kgsl_mmu.c
index 6b04aad..d64d0d3 100644
--- a/drivers/gpu/msm/kgsl_mmu.c
+++ b/drivers/gpu/msm/kgsl_mmu.c
@@ -85,16 +85,8 @@
 	return status;
 }
 
-static void kgsl_destroy_pagetable(struct kref *kref)
+static void _kgsl_destroy_pagetable(struct kgsl_pagetable *pagetable)
 {
-	struct kgsl_pagetable *pagetable = container_of(kref,
-		struct kgsl_pagetable, refcount);
-	unsigned long flags;
-
-	spin_lock_irqsave(&kgsl_driver.ptlock, flags);
-	list_del(&pagetable->list);
-	spin_unlock_irqrestore(&kgsl_driver.ptlock, flags);
-
 	pagetable_remove_sysfs_objects(pagetable);
 
 	kgsl_cleanup_pt(pagetable);
@@ -109,6 +101,29 @@
 	kfree(pagetable);
 }
 
+static void kgsl_destroy_pagetable(struct kref *kref)
+{
+	struct kgsl_pagetable *pagetable = container_of(kref,
+		struct kgsl_pagetable, refcount);
+	unsigned long flags;
+
+	spin_lock_irqsave(&kgsl_driver.ptlock, flags);
+	list_del(&pagetable->list);
+	spin_unlock_irqrestore(&kgsl_driver.ptlock, flags);
+
+	_kgsl_destroy_pagetable(pagetable);
+}
+
+static void kgsl_destroy_pagetable_locked(struct kref *kref)
+{
+	struct kgsl_pagetable *pagetable = container_of(kref,
+		struct kgsl_pagetable, refcount);
+
+	list_del(&pagetable->list);
+
+	_kgsl_destroy_pagetable(pagetable);
+}
+
 static inline void kgsl_put_pagetable(struct kgsl_pagetable *pagetable)
 {
 	if (pagetable)
@@ -128,7 +143,7 @@
 				ret = pt;
 				break;
 			}
-			kref_put(&pt->refcount, kgsl_destroy_pagetable);
+			kref_put(&pt->refcount, kgsl_destroy_pagetable_locked);
 		}
 	}
 
@@ -139,12 +154,12 @@
 static struct kgsl_pagetable *
 _get_pt_from_kobj(struct kobject *kobj)
 {
-	unsigned long ptname;
+	unsigned int ptname;
 
 	if (!kobj)
 		return NULL;
 
-	if (sscanf(kobj->name, "%ld", &ptname) != 1)
+	if (kstrtou32(kobj->name, 0, &ptname))
 		return NULL;
 
 	return kgsl_get_pagetable(ptname);
@@ -328,10 +343,11 @@
 		if (kref_get_unless_zero(&pt->refcount)) {
 			if (mmu->mmu_ops->mmu_pt_equal(mmu, pt, pt_base)) {
 				ptid = (int) pt->name;
-				kref_put(&pt->refcount, kgsl_destroy_pagetable);
+				kref_put(&pt->refcount,
+					kgsl_destroy_pagetable_locked);
 				break;
 			}
-			kref_put(&pt->refcount, kgsl_destroy_pagetable);
+			kref_put(&pt->refcount, kgsl_destroy_pagetable_locked);
 		}
 	}
 	spin_unlock(&kgsl_driver.ptlock);
@@ -356,18 +372,18 @@
 				if ((addr & ~(PAGE_SIZE-1)) == pt->fault_addr) {
 					ret = 1;
 					kref_put(&pt->refcount,
-						kgsl_destroy_pagetable);
+						kgsl_destroy_pagetable_locked);
 					break;
 				} else {
 					pt->fault_addr =
 						(addr & ~(PAGE_SIZE-1));
 					ret = 0;
 					kref_put(&pt->refcount,
-						kgsl_destroy_pagetable);
+						kgsl_destroy_pagetable_locked);
 					break;
 				}
 			}
-			kref_put(&pt->refcount, kgsl_destroy_pagetable);
+			kref_put(&pt->refcount, kgsl_destroy_pagetable_locked);
 		}
 	}
 	spin_unlock(&kgsl_driver.ptlock);
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c
index 9353b2e..656d7e2 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.c
+++ b/drivers/gpu/msm/kgsl_pwrctrl.c
@@ -1124,8 +1124,7 @@
 					 pwr->pwrlevels[pwr->active_pwrlevel].
 						bus_freq);
 
-	/* Set the CPU latency to 501usec to allow low latency PC modes */
-	pwr->pm_qos_latency = 501;
+	pwr->pm_qos_latency = pdata->pm_qos_latency;
 
 	pm_runtime_enable(device->parentdev);
 
diff --git a/drivers/gpu/msm/kgsl_sharedmem.c b/drivers/gpu/msm/kgsl_sharedmem.c
index d3adf84..c8ea471 100644
--- a/drivers/gpu/msm/kgsl_sharedmem.c
+++ b/drivers/gpu/msm/kgsl_sharedmem.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2002,2007-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2002,2007-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -73,12 +73,12 @@
 _get_priv_from_kobj(struct kobject *kobj)
 {
 	struct kgsl_process_private *private;
-	unsigned long name;
+	unsigned int name;
 
 	if (!kobj)
 		return NULL;
 
-	if (sscanf(kobj->name, "%ld", &name) != 1)
+	if (kstrtou32(kobj->name, 0, &name))
 		return NULL;
 
 	list_for_each_entry(private, &kgsl_driver.process_list, list) {
@@ -255,13 +255,13 @@
 					 const char *buf, size_t count)
 {
 	int ret;
-	unsigned int thresh;
-	ret = sscanf(buf, "%d", &thresh);
-	if (ret != 1)
-		return count;
+	unsigned int thresh = 0;
+
+	ret = kgsl_sysfs_store(buf, &thresh);
+	if (ret)
+		return ret;
 
 	kgsl_driver.full_cache_threshold = thresh;
-
 	return count;
 }
 
diff --git a/drivers/gud/Makefile b/drivers/gud/Makefile
index ef0e083..c415ad8 100644
--- a/drivers/gud/Makefile
+++ b/drivers/gud/Makefile
@@ -3,34 +3,35 @@
 #
 GUD_ROOT_FOLDER := drivers/gud
 # add our modules to kernel.
-obj-$(CONFIG_MOBICORE_API) += mckernelapi.o
-obj-$(CONFIG_MOBICORE_SUPPORT) += mcdrvmodule.o
+obj-$(CONFIG_MOBICORE_API) += mcKernelApi.o
+obj-$(CONFIG_MOBICORE_SUPPORT) += mcDrvModule.o
 
-mcdrvmodule-objs := mobicore_driver/logging.o \
-		mobicore_driver/ops.o \
-		mobicore_driver/mem.o \
-		mobicore_driver/api.o \
-		mobicore_driver/main.o \
-		mobicore_driver/pm.o
+mcDrvModule-objs := MobiCoreDriver/logging.o \
+		MobiCoreDriver/ops.o \
+		MobiCoreDriver/mem.o \
+		MobiCoreDriver/api.o \
+		MobiCoreDriver/pm.o \
+		MobiCoreDriver/main.o
 
-mckernelapi-objs := mobicore_kernelapi/main.o \
-		mobicore_kernelapi/clientlib.o \
-		mobicore_kernelapi/device.o \
-		mobicore_kernelapi/session.o \
-		mobicore_kernelapi/connection.o
+mcKernelApi-objs := MobiCoreKernelApi/main.o \
+		MobiCoreKernelApi/clientlib.o \
+		MobiCoreKernelApi/device.o \
+		MobiCoreKernelApi/session.o \
+		MobiCoreKernelApi/connection.o
 
 # Release mode by default
-ccflags-y := -DNDEBUG -include $(PWD)/$(GUD_ROOT_FOLDER)/mobicore_driver/build_tag.h
+ccflags-y := -DNDEBUG -I$(GUD_ROOT_FOLDER)
 ccflags-y += -Wno-declaration-after-statement
 
 ccflags-$(CONFIG_MOBICORE_DEBUG) += -DDEBUG
 ccflags-$(CONFIG_MOBICORE_VERBOSE) += -DDEBUG_VERBOSE
 
 # Choose one platform from the folder
-MOBICORE_PLATFORM := $(shell (ls -1 $(PWD)/$(GUD_ROOT_FOLDER)/mobicore_driver/platforms | tail -1) )
+MOBICORE_PLATFORM := $(shell (ls -1 $(PWD)/$(GUD_ROOT_FOLDER)/MobiCoreDriver/platforms | tail -1) )
 # Use the available platform folder
-ccflags-y += -I$(GUD_ROOT_FOLDER)/mobicore_driver/platforms/$(MOBICORE_PLATFORM)
-
-
-ccflags-y += -I$(GUD_ROOT_FOLDER)/mobicore_driver/public
-ccflags-y += -I$(GUD_ROOT_FOLDER)/mobicore_kernelapi/include
+ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreDriver/platforms/$(MOBICORE_PLATFORM)
+# MobiCore Driver includes
+ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreDriver/public
+# MobiCore KernelApi required incldes
+ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreKernelApi/include
+ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreKernelApi/public
diff --git a/drivers/gud/MobiCoreDriver/Makefile b/drivers/gud/MobiCoreDriver/Makefile
new file mode 100644
index 0000000..c17f35e
--- /dev/null
+++ b/drivers/gud/MobiCoreDriver/Makefile
@@ -0,0 +1,26 @@
+#
+# this makefile is called from the kernel make system. Thus we basically
+# add things to "obj-m" here.
+
+ifeq ($(MODE),release)
+    ccflags-y = -O2 -DNDEBUG
+else
+    ccflags-y = -DDEBUG
+endif # DEBUG/RELEASE
+
+# CFLAGS from the build script
+ifdef MOBICORE_CFLAGS
+	ccflags-y += $(MOBICORE_CFLAGS)
+endif
+#EXTRA_CFLAGS+=-DDEBUG_VERBOSE
+
+ccflags-y += -I$(M) -Wall -D__$(PLATFORM)__
+# add our module to kernel.
+obj-m += mcDrvModule.o
+
+mcDrvModule-objs :=logging.o ops.o mem.o api.o pm.o main.o
+
+clean:
+	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions \
+		Module.markers Module.symvers modules.order
+
diff --git a/drivers/gud/mobicore_driver/api.c b/drivers/gud/MobiCoreDriver/api.c
similarity index 80%
rename from drivers/gud/mobicore_driver/api.c
rename to drivers/gud/MobiCoreDriver/api.c
index b47383a0..e7fa8e2 100644
--- a/drivers/gud/mobicore_driver/api.c
+++ b/drivers/gud/MobiCoreDriver/api.c
@@ -14,23 +14,12 @@
 #include "mem.h"
 #include "debug.h"
 
-
-/*
- * Map a virtual memory buffer structure to Mobicore
- * @param instance
- * @param addr		address of the buffer(NB it must be kernel virtual!)
- * @param len		buffer length
- * @param handle	pointer to handle
- * @param phys_wsm_l2_table	pointer to physical L2 table(?)
- *
- * @return 0 if no error
- *
- */
 int mobicore_map_vmem(struct mc_instance *instance, void *addr,
-	uint32_t len, uint32_t *handle, uint32_t *phys)
+	uint32_t len, uint32_t *handle)
 {
-	return mc_register_wsm_l2(instance, (uint32_t)addr, len,
-		handle, phys);
+	phys_addr_t phys;
+	return mc_register_wsm_mmu(instance, addr, len,
+		handle, &phys);
 }
 EXPORT_SYMBOL(mobicore_map_vmem);
 
@@ -44,7 +33,7 @@
  */
 int mobicore_unmap_vmem(struct mc_instance *instance, uint32_t handle)
 {
-	return mc_unregister_wsm_l2(instance, handle);
+	return mc_unregister_wsm_mmu(instance, handle);
 }
 EXPORT_SYMBOL(mobicore_unmap_vmem);
 
@@ -70,13 +59,11 @@
  * @param requested_size		size of the WSM
  * @param handle		pointer where the handle will be saved
  * @param virt_kernel_addr	pointer for the kernel virtual address
- * @param phys_addr		pointer for the physical address
  *
  * @return error code or 0 for success
  */
 int mobicore_allocate_wsm(struct mc_instance *instance,
-	unsigned long requested_size, uint32_t *handle, void **virt_kernel_addr,
-	void **phys_addr)
+	unsigned long requested_size, uint32_t *handle, void **virt_kernel_addr)
 {
 	struct mc_buffer *buffer = NULL;
 
@@ -85,7 +72,6 @@
 		return -EFAULT;
 
 	*handle = buffer->handle;
-	*phys_addr = buffer->phys;
 	*virt_kernel_addr = buffer->addr;
 	return 0;
 }
@@ -117,3 +103,14 @@
 }
 EXPORT_SYMBOL(mobicore_release);
 
+/*
+ * Test if mobicore can sleep
+ *
+ * @return true if mobicore can sleep, false if it can't sleep
+ */
+bool mobicore_sleep_ready(void)
+{
+	return mc_sleep_ready();
+}
+EXPORT_SYMBOL(mobicore_sleep_ready);
+
diff --git a/drivers/gud/mobicore_driver/arm.h b/drivers/gud/MobiCoreDriver/arm.h
similarity index 100%
rename from drivers/gud/mobicore_driver/arm.h
rename to drivers/gud/MobiCoreDriver/arm.h
diff --git a/drivers/gud/MobiCoreDriver/build.sh b/drivers/gud/MobiCoreDriver/build.sh
new file mode 100644
index 0000000..db8410c
--- /dev/null
+++ b/drivers/gud/MobiCoreDriver/build.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+#  source the setup script
+if [ -z $COMP_PATH_ROOT ]; then
+	echo "The build environment is not set!"
+	echo "Trying to source setupDrivers.sh automatically!"
+	source ../setupDrivers.sh || exit 1
+fi
+
+ROOT_PATH=$(dirname $(readlink -f $0))
+#  These folders need to be relative to the kernel dir or absolute!
+PLATFORM=EXYNOS_5410_STD
+CODE_INCLUDE=$(readlink -f $ROOT_PATH/Locals/Code)
+PLATFORM_INCLUDE="$CODE_INCLUDE/platforms/$PLATFORM"
+MOBICORE_DAEMON=$COMP_PATH_MobiCoreDriverLib/Public
+
+MOBICORE_CFLAGS="-I$MOBICORE_DRIVER/Public -I$MOBICORE_DAEMON -I$COMP_PATH_MobiCore/inc/Mci -I$COMP_PATH_MobiCore/inc -I${PLATFORM_INCLUDE}"
+
+# Clean first
+make -C $CODE_INCLUDE clean
+
+make -C $LINUX_PATH \
+	MODE=$MODE \
+	ARCH=arm \
+	CROSS_COMPILE=$CROSS_COMPILE \
+	M=$CODE_INCLUDE \
+	"MOBICORE_CFLAGS=$MOBICORE_CFLAGS" \
+	modules
diff --git a/drivers/gud/mobicore_driver/debug.h b/drivers/gud/MobiCoreDriver/debug.h
similarity index 89%
rename from drivers/gud/mobicore_driver/debug.h
rename to drivers/gud/MobiCoreDriver/debug.h
index 1f9a632..d29efef 100644
--- a/drivers/gud/mobicore_driver/debug.h
+++ b/drivers/gud/MobiCoreDriver/debug.h
@@ -15,7 +15,7 @@
 extern struct device *mcd;
 
 #define MCDRV_DBG_ERROR(dev, txt, ...) \
-	dev_err(dev, "MobiCore %s() ### ERROR: " txt, \
+	dev_err(dev, "MobiCore %s() ### ERROR: " txt "\n", \
 		__func__, \
 		##__VA_ARGS__)
 
@@ -32,12 +32,12 @@
 #endif
 
 #define MCDRV_DBG(dev, txt, ...) \
-	dev_info(dev, "MobiCore %s(): " txt, \
+	dev_info(dev, "MobiCore %s(): " txt "\n", \
 		 __func__, \
 		 ##__VA_ARGS__)
 
 #define MCDRV_DBG_WARN(dev, txt, ...) \
-	dev_warn(dev, "MobiCore %s() WARNING: " txt, \
+	dev_warn(dev, "MobiCore %s() WARNING: " txt "\n", \
 		 __func__, \
 		 ##__VA_ARGS__)
 
diff --git a/drivers/gud/mobicore_driver/fastcall.h b/drivers/gud/MobiCoreDriver/fastcall.h
similarity index 70%
rename from drivers/gud/mobicore_driver/fastcall.h
rename to drivers/gud/MobiCoreDriver/fastcall.h
index 1c90520..33538df 100644
--- a/drivers/gud/mobicore_driver/fastcall.h
+++ b/drivers/gud/MobiCoreDriver/fastcall.h
@@ -36,9 +36,10 @@
  */
 #define MC_FC_INIT		-1
 #define MC_FC_INFO		-2
-#define MC_FC_POWER		-3
-#define MC_FC_DUMP		-4
 #define MC_FC_NWD_TRACE		-31 /* Mem trace setup fastcall */
+#ifdef TBASE_CORE_SWITCHER
+#define MC_FC_SWITCH_CORE   0x84000005
+#endif
 
 
 /*
@@ -96,6 +97,23 @@
 	} as_out;
 };
 
+#ifdef TBASE_CORE_SWITCHER
+/* fast call switch Core parameters */
+union mc_fc_swich_core {
+	union fc_generic as_generic;
+	struct {
+		uint32_t cmd;
+		uint32_t core_id;
+		uint32_t rfu[2];
+	} as_in;
+	struct {
+		uint32_t resp;
+		uint32_t ret;
+		uint32_t state;
+		uint32_t ext_info;
+	} as_out;
+};
+#endif
 /*
  * _smc() - fast call to MobiCore
  *
@@ -104,23 +122,22 @@
 static inline long _smc(void *data)
 {
 	int ret = 0;
-	union fc_generic fc_generic;
 
 	if (data == NULL)
 		return -EPERM;
 
 #ifdef MC_SMC_FASTCALL
 	{
-		ret = smc_fastcall(data, sizeof(fc_generic));
+		ret = smc_fastcall(data, sizeof(union fc_generic));
 	}
 #else
-	memcpy(&fc_generic, data, sizeof(union fc_generic));
 	{
-		/* SVC expect values in r0-r3 */
-		register u32 reg0 __asm__("r0") = fc_generic.as_in.cmd;
-		register u32 reg1 __asm__("r1") = fc_generic.as_in.param[0];
-		register u32 reg2 __asm__("r2") = fc_generic.as_in.param[1];
-		register u32 reg3 __asm__("r3") = fc_generic.as_in.param[2];
+		union fc_generic *fc_generic = data;
+		/* SMC expect values in r0-r3 */
+		register u32 reg0 __asm__("r0") = fc_generic->as_in.cmd;
+		register u32 reg1 __asm__("r1") = fc_generic->as_in.param[0];
+		register u32 reg2 __asm__("r2") = fc_generic->as_in.param[1];
+		register u32 reg3 __asm__("r3") = fc_generic->as_in.param[2];
 
 		__asm__ volatile (
 #ifdef MC_ARCH_EXTENSION_SEC
@@ -131,13 +148,23 @@
 			"smc 0\n"
 			: "+r"(reg0), "+r"(reg1), "+r"(reg2), "+r"(reg3)
 		);
+#ifdef __ARM_VE_A9X4_QEMU__
+		/* Qemu does not return to the address following the SMC
+		   instruction so we have to insert several nop instructions to
+		   workaround this Qemu bug. */
+		__asm__ volatile (
+		    "nop\n"
+		    "nop\n"
+		    "nop\n"
+		    "nop"
+		 );
+#endif
 
 		/* set response */
-		fc_generic.as_out.resp     = reg0;
-		fc_generic.as_out.ret      = reg1;
-		fc_generic.as_out.param[0] = reg2;
-		fc_generic.as_out.param[1] = reg3;
-		memcpy(data, &fc_generic, sizeof(union fc_generic));
+		fc_generic->as_out.resp     = reg0;
+		fc_generic->as_out.ret      = reg1;
+		fc_generic->as_out.param[0] = reg2;
+		fc_generic->as_out.param[1] = reg3;
 	}
 #endif
 	return ret;
diff --git a/drivers/gud/mobicore_driver/logging.c b/drivers/gud/MobiCoreDriver/logging.c
similarity index 95%
rename from drivers/gud/mobicore_driver/logging.c
rename to drivers/gud/MobiCoreDriver/logging.c
index 1f599f9..507c4ed 100644
--- a/drivers/gud/mobicore_driver/logging.c
+++ b/drivers/gud/MobiCoreDriver/logging.c
@@ -251,7 +251,7 @@
  */
 long mobicore_log_setup(void)
 {
-	unsigned long phys_log_buf;
+	phys_addr_t phys_log_buf;
 	union fc_generic fc_log;
 	struct sched_param param = { .sched_priority = 1 };
 
@@ -300,11 +300,12 @@
 
 	memset(&fc_log, 0, sizeof(fc_log));
 	fc_log.as_in.cmd = MC_FC_NWD_TRACE;
-	fc_log.as_in.param[0] = phys_log_buf;
-	fc_log.as_in.param[1] = log_size;
+	fc_log.as_in.param[0] = (uint32_t)phys_log_buf;
+	fc_log.as_in.param[1] = (uint32_t)(((uint64_t)phys_log_buf) >> 32);
+	fc_log.as_in.param[2] = log_size;
 
-	MCDRV_DBG(mcd, "fc_log virt=%p phys=%p ",
-		  log_buf, (void *)phys_log_buf);
+	MCDRV_DBG(mcd, "fc_log virt=%p phys=0x%llX",
+		  log_buf, (u64)phys_log_buf);
 	mc_fastcall(&fc_log);
 	MCDRV_DBG(mcd, "fc_log out ret=0x%08x", fc_log.as_out.ret);
 
@@ -319,7 +320,7 @@
 
 	set_task_state(log_thread, TASK_INTERRUPTIBLE);
 
-	MCDRV_DBG(mcd, "fc_log Logger version %u\n", log_buf->version);
+	MCDRV_DBG(mcd, "fc_log Logger version %u", log_buf->version);
 	return 0;
 
 err_stop_kthread:
diff --git a/drivers/gud/mobicore_driver/logging.h b/drivers/gud/MobiCoreDriver/logging.h
similarity index 100%
rename from drivers/gud/mobicore_driver/logging.h
rename to drivers/gud/MobiCoreDriver/logging.h
diff --git a/drivers/gud/mobicore_driver/main.c b/drivers/gud/MobiCoreDriver/main.c
similarity index 81%
rename from drivers/gud/mobicore_driver/main.c
rename to drivers/gud/MobiCoreDriver/main.c
index 0451452..ed2928a 100644
--- a/drivers/gud/mobicore_driver/main.c
+++ b/drivers/gud/MobiCoreDriver/main.c
@@ -112,12 +112,12 @@
 	int i;
 	struct page *page = virt_to_page(addr);
 	for (i = 0; i < (1<<order); i++) {
-		MCDRV_DBG_VERBOSE(mcd, "free page at 0x%p\n", page);
-		ClearPageReserved(page);
+		MCDRV_DBG_VERBOSE(mcd, "free page at 0x%p", page);
+		clear_bit(PG_reserved, &page->flags);
 		page++;
 	}
 
-	MCDRV_DBG_VERBOSE(mcd, "freeing addr:%p, order:%x\n", addr, order);
+	MCDRV_DBG_VERBOSE(mcd, "freeing addr:%p, order:%x", addr, order);
 	free_pages((unsigned long)addr, order);
 }
 
@@ -131,8 +131,9 @@
 		return -EINVAL;
 
 	MCDRV_DBG_VERBOSE(mcd,
-			  "handle=%u phys_addr=0x%p, virt_addr=0x%p len=%u\n",
-		  buffer->handle, buffer->phys, buffer->addr, buffer->len);
+			  "handle=%u phys_addr=0x%llx, virt_addr=0x%p len=%u",
+		  buffer->handle, (u64)buffer->phys,
+		  buffer->addr, buffer->len);
 
 	if (!atomic_dec_and_test(&buffer->usage)) {
 		MCDRV_DBG_VERBOSE(mcd, "Could not free %u", buffer->handle);
@@ -147,7 +148,7 @@
 }
 
 static uint32_t mc_find_cont_wsm_addr(struct mc_instance *instance, void *uaddr,
-	uint32_t *addr, uint32_t len)
+	void **addr, uint32_t len)
 {
 	int ret = 0;
 	struct mc_buffer *buffer;
@@ -162,7 +163,7 @@
 	/* search for the given handle in the buffers list */
 	list_for_each_entry(buffer, &ctx.cont_bufs, list) {
 		if (buffer->uaddr == uaddr && buffer->len == len) {
-			*addr = (uint32_t)buffer->addr;
+			*addr = buffer->addr;
 			goto found;
 		}
 	}
@@ -186,7 +187,7 @@
 	struct task_struct *peer = NULL;
 	bool ret = false;
 
-	MCDRV_DBG(mcd, "Finding wsm for fd = %d\n", fd);
+	MCDRV_DBG_VERBOSE(mcd, "Finding wsm for fd = %d", fd);
 	if (!instance)
 		return false;
 
@@ -197,7 +198,7 @@
 	s = __get_socket(fp);
 	if (s) {
 		peer = get_pid_task(s->sk_peer_pid, PIDTYPE_PID);
-		MCDRV_DBG(mcd, "Found pid for fd %d\n", peer->pid);
+		MCDRV_DBG_VERBOSE(mcd, "Found pid for fd %d", peer->pid);
 	}
 	if (peer) {
 		task_lock(peer);
@@ -209,11 +210,10 @@
 			if (!fp)
 				continue;
 			if (fp->private_data == instance) {
-				MCDRV_DBG(mcd, "Found owner!");
+				MCDRV_DBG_VERBOSE(mcd, "Found owner!");
 				ret = true;
 				goto out;
 			}
-
 		}
 	} else {
 		MCDRV_DBG(mcd, "Owner not found!");
@@ -230,7 +230,7 @@
 #endif
 }
 static uint32_t mc_find_cont_wsm(struct mc_instance *instance, uint32_t handle,
-	int32_t fd, uint32_t *phys, uint32_t *len)
+	int32_t fd, phys_addr_t *phys, uint32_t *len)
 {
 	int ret = 0;
 	struct mc_buffer *buffer;
@@ -239,7 +239,7 @@
 		return -EFAULT;
 
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return -EPERM;
 	}
 
@@ -251,7 +251,7 @@
 	list_for_each_entry(buffer, &ctx.cont_bufs, list) {
 		if (buffer->handle == handle) {
 			if (mc_check_owner_fd(buffer->instance, fd)) {
-				*phys = (uint32_t)buffer->phys;
+				*phys = buffer->phys;
 				*len = buffer->len;
 				goto found;
 			} else {
@@ -326,7 +326,7 @@
 			/* Something is not right if we end up here, better not
 			 * clean the buffer so we just leak memory instead of
 			 * creating security issues */
-			MCDRV_DBG_ERROR(mcd, "Memory can't be unmapped\n");
+			MCDRV_DBG_ERROR(mcd, "Memory can't be unmapped");
 			return -EINVAL;
 		}
 	}
@@ -370,7 +370,7 @@
 {
 	struct mc_buffer *cbuffer = NULL;
 	void *addr = 0;
-	void *phys = 0;
+	phys_addr_t phys = 0;
 	unsigned int order;
 	unsigned long allocated_size;
 	int ret = 0;
@@ -379,13 +379,13 @@
 		return -EFAULT;
 
 	if (len == 0) {
-		MCDRV_DBG_WARN(mcd, "cannot allocate size 0\n");
+		MCDRV_DBG_WARN(mcd, "cannot allocate size 0");
 		return -ENOMEM;
 	}
 
 	order = get_order(len);
 	if (order > MAX_ORDER) {
-		MCDRV_DBG_WARN(mcd, "Buffer size too large\n");
+		MCDRV_DBG_WARN(mcd, "Buffer size too large");
 		return -ENOMEM;
 	}
 	allocated_size = (1 << order) * PAGE_SIZE;
@@ -398,23 +398,23 @@
 
 	if (cbuffer == NULL) {
 		MCDRV_DBG_WARN(mcd,
-			       "MMAP_WSM request: could not allocate buffer\n");
+			       "MMAP_WSM request: could not allocate buffer");
 		ret = -ENOMEM;
 		goto unlock_instance;
 	}
 	mutex_lock(&ctx.bufs_lock);
 
-	MCDRV_DBG_VERBOSE(mcd, "size %ld -> order %d --> %ld (2^n pages)\n",
+	MCDRV_DBG_VERBOSE(mcd, "size %ld -> order %d --> %ld (2^n pages)",
 			  len, order, allocated_size);
 
 	addr = (void *)__get_free_pages(GFP_USER | __GFP_ZERO, order);
 
 	if (addr == NULL) {
-		MCDRV_DBG_WARN(mcd, "get_free_pages failed\n");
+		MCDRV_DBG_WARN(mcd, "get_free_pages failed");
 		ret = -ENOMEM;
 		goto err;
 	}
-	phys = (void *)virt_to_phys(addr);
+	phys = virt_to_phys(addr);
 	cbuffer->handle = get_unique_id();
 	cbuffer->phys = phys;
 	cbuffer->addr = addr;
@@ -429,9 +429,11 @@
 	list_add(&cbuffer->list, &ctx.cont_bufs);
 
 	MCDRV_DBG_VERBOSE(mcd,
-			  "allocated phys=0x%p - 0x%p, size=%ld, kvirt=0x%p, h=%d\n",
-		  phys, (void *)((unsigned int)phys+allocated_size),
-		  allocated_size, addr, cbuffer->handle);
+			  "allocated phys=0x%llx - 0x%llx, size=%ld, kvirt=0x%p"
+			  ", h=%d",
+			  (u64)phys,
+			  (u64)(phys+allocated_size),
+			  allocated_size, addr, cbuffer->handle);
 	*buffer = cbuffer;
 	goto unlock;
 
@@ -457,7 +459,7 @@
 		return -EFAULT;
 
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return -EPERM;
 	}
 
@@ -476,7 +478,7 @@
 	return ret;
 }
 
-void *get_mci_base_phys(unsigned int len)
+static phys_addr_t get_mci_base_phys(unsigned int len)
 {
 	if (ctx.mci_base.phys) {
 		return ctx.mci_base.phys;
@@ -487,45 +489,45 @@
 		ctx.mci_base.addr =
 			(void *)__get_free_pages(GFP_USER | __GFP_ZERO, order);
 		if (ctx.mci_base.addr == NULL) {
-			MCDRV_DBG_WARN(mcd, "get_free_pages failed\n");
+			MCDRV_DBG_WARN(mcd, "get_free_pages failed");
 			memset(&ctx.mci_base, 0, sizeof(ctx.mci_base));
-			return NULL;
+			return 0;
 		}
-		ctx.mci_base.phys = (void *)virt_to_phys(ctx.mci_base.addr);
+		ctx.mci_base.phys = virt_to_phys(ctx.mci_base.addr);
 		return ctx.mci_base.phys;
 	}
 }
 
 /*
- * Create a l2 table from a virtual memory buffer which can be vmalloc
+ * Create a MMU table from a virtual memory buffer which can be vmalloc
  * or user space virtual memory
  */
-int mc_register_wsm_l2(struct mc_instance *instance,
-	uint32_t buffer, uint32_t len,
-	uint32_t *handle, uint32_t *phys)
+int mc_register_wsm_mmu(struct mc_instance *instance,
+	void *buffer, uint32_t len,
+	uint32_t *handle, phys_addr_t *phys)
 {
 	int ret = 0;
-	struct mc_l2_table *table = NULL;
+	struct mc_mmu_table *table = NULL;
 	struct task_struct *task = current;
-	uint32_t kbuff = 0x0;
+	void *kbuff = NULL;
 
 	if (WARN(!instance, "No instance data available"))
 		return -EFAULT;
 
 	if (len == 0) {
-		MCDRV_DBG_ERROR(mcd, "len=0 is not supported!\n");
+		MCDRV_DBG_ERROR(mcd, "len=0 is not supported!");
 		return -EINVAL;
 	}
 
-	MCDRV_DBG_VERBOSE(mcd, "buffer: %p, len=%08x\n", (void *)buffer, len);
+	MCDRV_DBG_VERBOSE(mcd, "buffer: %p, len=%08x", buffer, len);
 
-	if (!mc_find_cont_wsm_addr(instance, (void *)buffer, &kbuff, len))
-		table = mc_alloc_l2_table(instance, NULL, (void *)kbuff, len);
+	if (!mc_find_cont_wsm_addr(instance, buffer, &kbuff, len))
+		table = mc_alloc_mmu_table(instance, NULL, kbuff, len);
 	else
-		table = mc_alloc_l2_table(instance, task, (void *)buffer, len);
+		table = mc_alloc_mmu_table(instance, task, buffer, len);
 
 	if (IS_ERR(table)) {
-		MCDRV_DBG_ERROR(mcd, "new_used_l2_table() failed\n");
+		MCDRV_DBG_ERROR(mcd, "mc_alloc_mmu_table() failed");
 		return -EINVAL;
 	}
 
@@ -533,19 +535,19 @@
 	*handle = table->handle;
 	/* WARNING: daemon shouldn't know this either, but live with it */
 	if (is_daemon(instance))
-		*phys = (uint32_t)table->phys;
+		*phys = table->phys;
 	else
 		*phys = 0;
 
-	MCDRV_DBG_VERBOSE(mcd, "handle: %d, phys=%p\n",
-			  *handle, (void *)*phys);
+	MCDRV_DBG_VERBOSE(mcd, "handle: %d, phys=0x%llX",
+			  *handle, (u64)(*phys));
 
-	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X\n", ret, ret);
+	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X", ret, ret);
 
 	return ret;
 }
 
-int mc_unregister_wsm_l2(struct mc_instance *instance, uint32_t handle)
+int mc_unregister_wsm_mmu(struct mc_instance *instance, uint32_t handle)
 {
 	int ret = 0;
 
@@ -553,11 +555,11 @@
 		return -EFAULT;
 
 	/* free table (if no further locks exist) */
-	mc_free_l2_table(instance, handle);
+	mc_free_mmu_table(instance, handle);
 
 	return ret;
 }
-/* Lock the object from handle, it could be a WSM l2 table or a cont buffer! */
+/* Lock the object from handle, it could be a WSM MMU table or a cont buffer! */
 static int mc_lock_handle(struct mc_instance *instance, uint32_t handle)
 {
 	int ret = 0;
@@ -566,14 +568,14 @@
 		return -EFAULT;
 
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return -EPERM;
 	}
 
 	mutex_lock(&instance->lock);
-	ret = mc_lock_l2_table(instance, handle);
+	ret = mc_lock_mmu_table(instance, handle);
 
-	/* Handle was not a l2 table but a cont buffer */
+	/* Handle was not a MMU table but a cont buffer */
 	if (ret == -EINVAL) {
 		/* Call the non locking variant! */
 		ret = __lock_buffer(instance, handle);
@@ -592,14 +594,14 @@
 		return -EFAULT;
 
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return -EPERM;
 	}
 
 	mutex_lock(&instance->lock);
-	ret = mc_free_l2_table(instance, handle);
+	ret = mc_free_mmu_table(instance, handle);
 
-	/* Not a l2 table, then it must be a buffer */
+	/* Not a MMU table, then it must be a buffer */
 	if (ret == -EINVAL) {
 		/* Call the non locking variant! */
 		ret = __free_buffer(instance, handle, true);
@@ -609,35 +611,31 @@
 	return ret;
 }
 
-static uint32_t mc_find_wsm_l2(struct mc_instance *instance,
+static phys_addr_t mc_find_wsm_mmu(struct mc_instance *instance,
 	uint32_t handle, int32_t fd)
 {
-	uint32_t ret = 0;
-
 	if (WARN(!instance, "No instance data available"))
 		return 0;
 
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return 0;
 	}
 
-	ret = mc_find_l2_table(handle, fd);
-
-	return ret;
+	return mc_find_mmu_table(handle, fd);
 }
 
-static int mc_clean_wsm_l2(struct mc_instance *instance)
+static int mc_clean_wsm_mmu(struct mc_instance *instance)
 {
 	if (WARN(!instance, "No instance data available"))
 		return -EFAULT;
 
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return -EPERM;
 	}
 
-	mc_clean_l2_tables();
+	mc_clean_mmu_tables();
 
 	return 0;
 }
@@ -646,19 +644,20 @@
 {
 	struct mc_instance *instance = get_instance(file);
 	unsigned long len = vmarea->vm_end - vmarea->vm_start;
-	void *paddr = (void *)(vmarea->vm_pgoff << PAGE_SHIFT);
+	phys_addr_t paddr = (vmarea->vm_pgoff << PAGE_SHIFT);
 	unsigned int pfn;
 	struct mc_buffer *buffer = 0;
 	int ret = 0;
 
-	MCDRV_DBG_VERBOSE(mcd, "enter (vma start=0x%p, size=%ld, mci=%p)\n",
-			  (void *)vmarea->vm_start, len, ctx.mci_base.phys);
+	MCDRV_DBG_VERBOSE(mcd, "enter (vma start=0x%p, size=%ld, mci=0x%llX)",
+			  (void *)vmarea->vm_start, len,
+			  (u64)ctx.mci_base.phys);
 
 	if (WARN(!instance, "No instance data available"))
 		return -EFAULT;
 
 	if (len == 0) {
-		MCDRV_DBG_ERROR(mcd, "cannot allocate size 0\n");
+		MCDRV_DBG_ERROR(mcd, "cannot allocate size 0");
 		return -ENOMEM;
 	}
 	if (paddr) {
@@ -722,7 +721,7 @@
 			vmarea->vm_page_prot);
 	}
 
-	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X\n", ret, ret);
+	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X", ret, ret);
 
 	return ret;
 }
@@ -768,21 +767,24 @@
 
 	case MC_IO_REG_WSM:{
 		struct mc_ioctl_reg_wsm reg;
+		phys_addr_t phys;
 		if (copy_from_user(&reg, uarg, sizeof(reg)))
 			return -EFAULT;
 
-		ret = mc_register_wsm_l2(instance, reg.buffer,
-			reg.len, &reg.handle, &reg.table_phys);
+		ret = mc_register_wsm_mmu(instance, (void *)reg.buffer,
+			reg.len, &reg.handle, &phys);
+		reg.table_phys = phys;
+
 		if (!ret) {
 			if (copy_to_user(uarg, &reg, sizeof(reg))) {
 				ret = -EFAULT;
-				mc_unregister_wsm_l2(instance, reg.handle);
+				mc_unregister_wsm_mmu(instance, reg.handle);
 			}
 		}
 		break;
 	}
 	case MC_IO_UNREG_WSM:
-		ret = mc_unregister_wsm_l2(instance, (uint32_t)arg);
+		ret = mc_unregister_wsm_mmu(instance, (uint32_t)arg);
 		break;
 
 	case MC_IO_VERSION:
@@ -803,7 +805,7 @@
 			return -EFAULT;
 
 		map.handle = buffer->handle;
-		map.phys_addr = (unsigned long)buffer->phys;
+		map.phys_addr = buffer->phys;
 		map.reused = 0;
 		if (copy_to_user(uarg, &map, sizeof(map)))
 			ret = -EFAULT;
@@ -812,7 +814,7 @@
 		break;
 	}
 	default:
-		MCDRV_DBG_ERROR(mcd, "unsupported cmd=%d\n", cmd);
+		MCDRV_DBG_ERROR(mcd, "unsupported cmd=0x%x", cmd);
 		ret = -ENOIOCTLCMD;
 		break;
 
@@ -836,7 +838,7 @@
 		return -EFAULT;
 
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return -EPERM;
 	}
 
@@ -856,8 +858,8 @@
 			return -EFAULT;
 
 		ctx.mcp = ctx.mci_base.addr + init.mcp_offset;
-		ret = mc_init((uint32_t)ctx.mci_base.phys, init.nq_offset,
-			init.nq_length, init.mcp_offset, init.mcp_length);
+		ret = mc_init(ctx.mci_base.phys, init.nq_length,
+			init.mcp_offset, init.mcp_length);
 		break;
 	}
 	case MC_IO_INFO: {
@@ -890,14 +892,14 @@
 		ret = mc_unlock_handle(instance, (uint32_t)arg);
 		break;
 	case MC_IO_CLEAN_WSM:
-		ret = mc_clean_wsm_l2(instance);
+		ret = mc_clean_wsm_mmu(instance);
 		break;
 	case MC_IO_RESOLVE_WSM: {
-		uint32_t phys;
+		phys_addr_t phys;
 		struct mc_ioctl_resolv_wsm wsm;
 		if (copy_from_user(&wsm, uarg, sizeof(wsm)))
 			return -EFAULT;
-		phys = mc_find_wsm_l2(instance, wsm.handle, wsm.fd);
+		phys = mc_find_wsm_mmu(instance, wsm.handle, wsm.fd);
 		if (!phys)
 			return -EINVAL;
 
@@ -909,7 +911,8 @@
 	}
 	case MC_IO_RESOLVE_CONT_WSM: {
 		struct mc_ioctl_resolv_cont_wsm cont_wsm;
-		uint32_t phys = 0, len = 0;
+		phys_addr_t phys = 0;
+		uint32_t len = 0;
 		if (copy_from_user(&cont_wsm, uarg, sizeof(cont_wsm)))
 			return -EFAULT;
 		ret = mc_find_cont_wsm(instance, cont_wsm.handle, cont_wsm.fd,
@@ -928,7 +931,7 @@
 			return -EFAULT;
 
 		map.reused = (ctx.mci_base.phys != 0);
-		map.phys_addr = (unsigned long)get_mci_base_phys(map.len);
+		map.phys_addr = get_mci_base_phys(map.len);
 		if (!map.phys_addr) {
 			MCDRV_DBG_ERROR(mcd, "Failed to setup MCI buffer!");
 			return -EFAULT;
@@ -939,10 +942,6 @@
 		ret = 0;
 		break;
 	}
-	case MC_IO_MAP_PWSM:{
-		break;
-	}
-
 	case MC_IO_LOG_SETUP: {
 #ifdef MC_MEM_TRACES
 		ret = mobicore_log_setup();
@@ -985,27 +984,27 @@
 		return -EFAULT;
 
 	/* avoid debug output on non-error, because this is call quite often */
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
+	MCDRV_DBG_VERBOSE(mcd, "enter");
 
 	/* only the MobiCore Daemon is allowed to call this function */
 	if (WARN_ON(!is_daemon(instance))) {
-		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon\n");
+		MCDRV_DBG_ERROR(mcd, "caller not MobiCore Daemon");
 		return -EPERM;
 	}
 
 	if (buffer_len < sizeof(unsigned int)) {
-		MCDRV_DBG_ERROR(mcd, "invalid length\n");
+		MCDRV_DBG_ERROR(mcd, "invalid length");
 		return -EINVAL;
 	}
 
 	for (;;) {
 		if (wait_for_completion_interruptible(&ctx.isr_comp)) {
-			MCDRV_DBG_VERBOSE(mcd, "read interrupted\n");
+			MCDRV_DBG_VERBOSE(mcd, "read interrupted");
 			return -ERESTARTSYS;
 		}
 
 		ssiq_counter = atomic_read(&ctx.isr_counter);
-		MCDRV_DBG_VERBOSE(mcd, "ssiq_counter=%i, ctx.counter=%i\n",
+		MCDRV_DBG_VERBOSE(mcd, "ssiq_counter=%i, ctx.counter=%i",
 				  ssiq_counter, ctx.evt_counter);
 
 		if (ssiq_counter != ctx.evt_counter) {
@@ -1017,12 +1016,12 @@
 
 		/* end loop if non-blocking */
 		if (file->f_flags & O_NONBLOCK) {
-			MCDRV_DBG_ERROR(mcd, "non-blocking read\n");
+			MCDRV_DBG_ERROR(mcd, "non-blocking read");
 			return -EAGAIN;
 		}
 
 		if (signal_pending(current)) {
-			MCDRV_DBG_VERBOSE(mcd, "received signal.\n");
+			MCDRV_DBG_VERBOSE(mcd, "received signal.");
 			return -ERESTARTSYS;
 		}
 	}
@@ -1031,7 +1030,7 @@
 	ret = copy_to_user(buffer, &ctx.evt_counter, sizeof(unsigned int));
 
 	if (ret != 0) {
-		MCDRV_DBG_ERROR(mcd, "copy_to_user failed\n");
+		MCDRV_DBG_ERROR(mcd, "copy_to_user failed");
 		return -EFAULT;
 	}
 
@@ -1061,6 +1060,43 @@
 	return instance;
 }
 
+#if defined(TBASE_CORE_SWITCHER) && defined(DEBUG)
+static ssize_t mc_fd_write(struct file *file, const char __user *buffer,
+			size_t buffer_len, loff_t *x)
+{
+	uint32_t cpu_new;
+	/* we only consider one digit */
+	char buf[2];
+	struct mc_instance *instance = get_instance(file);
+
+	if (WARN(!instance, "No instance data available"))
+		return -EFAULT;
+
+	/* Invalid data, nothing to do */
+	if (buffer_len < 1)
+		return -EINVAL;
+
+	/* Invalid data, nothing to do */
+	if (copy_from_user(buf, buffer, min(sizeof(buf), buffer_len)))
+		return -EFAULT;
+
+	if (buf[0] == 'n') {
+		mc_nsiq();
+	/* If it's a digit then switch cores */
+	} else if ((buf[0] >= '0') && (buf[0] <= '9')) {
+		cpu_new = buf[0] - '0';
+		if (cpu_new <= 8) {
+			MCDRV_DBG_VERBOSE(mcd, "Set Active Cpu: %d\n", cpu_new);
+			mc_switch_core(cpu_new);
+		}
+	} else {
+		return -EINVAL;
+	}
+
+	return buffer_len;
+}
+#endif
+
 /*
  * Release a mobicore instance object and all objects related to it
  * @instance:	instance
@@ -1074,7 +1110,7 @@
 		return -EFAULT;
 
 	mutex_lock(&instance->lock);
-	mc_clear_l2_tables(instance);
+	mc_clear_mmu_tables(instance);
 
 	mutex_lock(&ctx.bufs_lock);
 	/* release all mapped data */
@@ -1112,7 +1148,7 @@
 {
 	struct mc_instance *instance;
 
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
+	MCDRV_DBG_VERBOSE(mcd, "enter");
 
 	instance = mc_alloc_instance();
 	if (instance == NULL)
@@ -1141,7 +1177,7 @@
 		return -ENOMEM;
 	instance = get_instance(file);
 
-	MCDRV_DBG(mcd, "accept this as MobiCore Daemon\n");
+	MCDRV_DBG(mcd, "accept this as MobiCore Daemon");
 
 	ctx.daemon_inst = instance;
 	ctx.daemon = current;
@@ -1172,7 +1208,7 @@
 
 	/* check if daemon closes us. */
 	if (is_daemon(instance)) {
-		MCDRV_DBG_WARN(mcd, "WARNING: MobiCore Daemon died\n");
+		MCDRV_DBG_WARN(mcd, "MobiCore Daemon died");
 		ctx.daemon_inst = NULL;
 		ctx.daemon = NULL;
 	}
@@ -1183,7 +1219,7 @@
 	 * ret is quite irrelevant here as most apps don't care about the
 	 * return value from close() and it's quite difficult to recover
 	 */
-	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X\n", ret, ret);
+	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X", ret, ret);
 
 	return (int)ret;
 }
@@ -1200,7 +1236,9 @@
 
 	/* signal the daemon */
 	complete(&ctx.isr_comp);
-
+#ifdef MC_MEM_TRACES
+	mobicore_log_read();
+#endif
 	return IRQ_HANDLED;
 }
 
@@ -1221,6 +1259,9 @@
 	.release	= mc_fd_release,
 	.unlocked_ioctl	= mc_fd_user_ioctl,
 	.mmap		= mc_fd_mmap,
+#if defined(TBASE_CORE_SWITCHER) && defined(DEBUG)
+	.write          = mc_fd_write,
+#endif
 };
 
 static int create_devices(void)
@@ -1239,17 +1280,17 @@
 
 	ret = alloc_chrdev_region(&mc_dev_admin, 0, MC_DEV_MAX, "mobicore");
 	if (ret < 0) {
-		MCDRV_DBG_ERROR(mcd, "failed to allocate char dev region\n");
+		MCDRV_DBG_ERROR(mcd, "failed to allocate char dev region");
 		goto error;
 	}
 	mc_dev_user = MKDEV(MAJOR(mc_dev_admin), 1);
 
-	MCDRV_DBG_VERBOSE(mcd, "%s: dev %d", "mobicore", MAJOR(mc_dev_region));
+	MCDRV_DBG_VERBOSE(mcd, "%s: dev %d", "mobicore", MAJOR(mc_dev_admin));
 
 	/* First the ADMIN node */
 	ret = cdev_add(&mc_admin_cdev,  mc_dev_admin, 1);
 	if (ret != 0) {
-		MCDRV_DBG_ERROR(mcd, "admin device register failed\n");
+		MCDRV_DBG_ERROR(mcd, "admin device register failed");
 		goto error;
 	}
 	mc_admin_cdev.owner = THIS_MODULE;
@@ -1260,7 +1301,7 @@
 
 	ret = cdev_add(&mc_user_cdev, mc_dev_user, 1);
 	if (ret != 0) {
-		MCDRV_DBG_ERROR(mcd, "user device register failed\n");
+		MCDRV_DBG_ERROR(mcd, "user device register failed");
 		goto error_unregister;
 	}
 	mc_user_cdev.owner = THIS_MODULE;
@@ -1301,13 +1342,13 @@
 	/* Hardware does not support ARM TrustZone -> Cannot continue! */
 	if (!has_security_extensions()) {
 		MCDRV_DBG_ERROR(mcd,
-				"Hardware doesn't support ARM TrustZone!\n");
+				"Hardware doesn't support ARM TrustZone!");
 		return -ENODEV;
 	}
 
 	/* Running in secure mode -> Cannot load the driver! */
 	if (is_secure_mode()) {
-		MCDRV_DBG_ERROR(mcd, "Running in secure MODE!\n");
+		MCDRV_DBG_ERROR(mcd, "Running in secure MODE!");
 		return -ENODEV;
 	}
 
@@ -1320,18 +1361,18 @@
 	/* initialize event counter for signaling of an IRQ to zero */
 	atomic_set(&ctx.isr_counter, 0);
 
-	/* set up S-SIQ interrupt handler */
+	/* set up S-SIQ interrupt handler ************************/
 	ret = request_irq(MC_INTR_SSIQ, mc_ssiq_isr, IRQF_TRIGGER_RISING,
 			MC_ADMIN_DEVNODE, &ctx);
 	if (ret != 0) {
-		MCDRV_DBG_ERROR(mcd, "interrupt request failed\n");
+		MCDRV_DBG_ERROR(mcd, "interrupt request failed");
 		goto err_req_irq;
 	}
 
 #ifdef MC_PM_RUNTIME
 	ret = mc_pm_initialize(&ctx);
 	if (ret != 0) {
-		MCDRV_DBG_ERROR(mcd, "Power Management init failed!\n");
+		MCDRV_DBG_ERROR(mcd, "Power Management init failed!");
 		goto free_isr;
 	}
 #endif
@@ -1340,7 +1381,7 @@
 	if (ret != 0)
 		goto free_pm;
 
-	ret = mc_init_l2_tables();
+	ret = mc_init_mmu_tables();
 
 #ifdef MC_CRYPTO_CLOCK_MANAGEMENT
 	ret = mc_pm_clock_initialize();
@@ -1361,7 +1402,7 @@
 	mutex_init(&ctx.bufs_lock);
 
 	memset(&ctx.mci_base, 0, sizeof(ctx.mci_base));
-	MCDRV_DBG(mcd, "initialized\n");
+	MCDRV_DBG(mcd, "initialized");
 	return 0;
 
 free_pm:
@@ -1381,12 +1422,12 @@
  */
 static void __exit mobicore_exit(void)
 {
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
+	MCDRV_DBG_VERBOSE(mcd, "enter");
 #ifdef MC_MEM_TRACES
 	mobicore_log_free();
 #endif
 
-	mc_release_l2_tables();
+	mc_release_mmu_tables();
 
 #ifdef MC_PM_RUNTIME
 	mc_pm_free();
@@ -1408,6 +1449,15 @@
 	MCDRV_DBG_VERBOSE(mcd, "exit");
 }
 
+bool mc_sleep_ready(void)
+{
+#ifdef MC_PM_RUNTIME
+	return mc_pm_sleep_ready();
+#else
+	return true;
+#endif
+}
+
 /* Linux Driver Module Macros */
 module_init(mobicore_init);
 module_exit(mobicore_exit);
diff --git a/drivers/gud/mobicore_driver/main.h b/drivers/gud/MobiCoreDriver/main.h
similarity index 89%
rename from drivers/gud/mobicore_driver/main.h
rename to drivers/gud/MobiCoreDriver/main.h
index 871191e..11e304c 100644
--- a/drivers/gud/mobicore_driver/main.h
+++ b/drivers/gud/MobiCoreDriver/main.h
@@ -52,7 +52,7 @@
 	/* virtual Userspace start address */
 	void			*uaddr;
 	/* physical start address */
-	void			*phys;
+	phys_addr_t		phys;
 	/* order of number of pages */
 	unsigned int		order;
 	uint32_t		len;
@@ -83,8 +83,8 @@
 };
 
 struct mc_sleep_mode {
-	uint16_t	SleepReq;
-	uint16_t	ReadyToSleep;
+	uint16_t	sleep_req;
+	uint16_t	ready_to_sleep;
 };
 
 /* MobiCore is idle. No scheduling required. */
@@ -129,14 +129,14 @@
 int mc_release_instance(struct mc_instance *instance);
 
 /*
- * mc_register_wsm_l2() - Create a L2 table from a virtual memory buffer which
+ * mc_register_wsm_mmu() - Create a MMU table from a virtual memory buffer which
  * can be vmalloc or user space virtual memory
  */
-int mc_register_wsm_l2(struct mc_instance *instance,
-	uint32_t buffer, uint32_t len,
-	uint32_t *handle, uint32_t *phys);
+int mc_register_wsm_mmu(struct mc_instance *instance,
+	void *buffer, uint32_t len,
+	uint32_t *handle, phys_addr_t *phys);
 /* Unregister the buffer mapped above */
-int mc_unregister_wsm_l2(struct mc_instance *instance, uint32_t handle);
+int mc_unregister_wsm_mmu(struct mc_instance *instance, uint32_t handle);
 
 /* Allocate one mc_buffer of contiguous space */
 int mc_get_buffer(struct mc_instance *instance,
@@ -147,4 +147,7 @@
 /* Check if the other end of the fd owns instance */
 bool mc_check_owner_fd(struct mc_instance *instance, int32_t fd);
 
+/* Test if sleep is possible */
+bool mc_sleep_ready(void);
+
 #endif /* _MC_MAIN_H_ */
diff --git a/drivers/gud/MobiCoreDriver/mem.c b/drivers/gud/MobiCoreDriver/mem.c
new file mode 100644
index 0000000..2d92f74
--- /dev/null
+++ b/drivers/gud/MobiCoreDriver/mem.c
@@ -0,0 +1,743 @@
+/*
+ * MobiCore Driver Kernel Module.
+ *
+ * This module is written as a Linux device driver.
+ * This driver represents the command proxy on the lowest layer, from the
+ * secure world to the non secure world, and vice versa.
+ * This driver is located in the non secure world (Linux).
+ * This driver offers IOCTL commands, for access to the secure world, and has
+ * the interface from the secure world to the normal world.
+ * The access to the driver is possible with a file descriptor,
+ * which has to be created by the fd = open(/dev/mobicore) command.
+ *
+ * <-- Copyright Giesecke & Devrient GmbH 2009-2012 -->
+ * <-- Copyright Trustonic Limited 2013 -->
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "main.h"
+#include "debug.h"
+#include "mem.h"
+
+#include <linux/highmem.h>
+#include <linux/slab.h>
+#include <linux/kthread.h>
+#include <linux/pagemap.h>
+#include <linux/device.h>
+
+#ifdef LPAE_SUPPORT
+#define MMU_TYPE_PAGE	(3 << 0)
+#define MMU_BUFFERABLE	(1 << 2) /* AttrIndx[0] */
+#define MMU_CACHEABLE	(1 << 3) /* AttrIndx[1] */
+#define MMU_NS		(1 << 5)
+#define MMU_AP_RW_ALL	(1 << 6) /* AP[2:1], RW, at any privilege level */
+#define MMU_EXT_SHARED	(3 << 8) /* SH[1:0], inner shareable */
+#define MMU_EXT_AF	(1 << 10) /* Access Flag */
+#define MMU_EXT_NG	(1 << 11)
+#define MMU_EXT_XN      (((uint64_t)1) << 54) /* XN */
+#else
+#define MMU_TYPE_EXT	(3 << 0)	/* v5 */
+#define MMU_TYPE_SMALL	(2 << 0)
+#define MMU_BUFFERABLE	(1 << 2)
+#define MMU_CACHEABLE	(1 << 3)
+#define MMU_EXT_AP0	(1 << 4)
+#define MMU_EXT_AP1	(2 << 4)
+#define MMU_EXT_TEX(x)	((x) << 6)	/* v5 */
+#define MMU_EXT_SHARED	(1 << 10)	/* v6 */
+#define MMU_EXT_NG	(1 << 11)	/* v6 */
+#endif
+
+/* MobiCore memory context data */
+struct mc_mem_context mem_ctx;
+
+static inline void release_page(struct page *page)
+{
+	set_bit(PG_dirty, &page->flags);
+
+	page_cache_release(page);
+}
+
+static int lock_pages(struct task_struct *task, void *virt_start_page_addr,
+	int pages_no, struct page **pages)
+{
+	int locked_pages;
+
+	/* lock user pages, must hold the mmap_sem to do this. */
+	down_read(&(task->mm->mmap_sem));
+	locked_pages = get_user_pages(
+				task,
+				task->mm,
+				(unsigned long)virt_start_page_addr,
+				pages_no,
+				1, /* write access */
+				0,
+				pages,
+				NULL);
+	up_read(&(task->mm->mmap_sem));
+
+	/* check if we could lock all pages. */
+	if (locked_pages != pages_no) {
+		MCDRV_DBG_ERROR(mcd, "get_user_pages() failed, locked_pages=%d",
+				locked_pages);
+		if (locked_pages > 0) {
+			/* release all locked pages. */
+			release_pages(pages, locked_pages, 0);
+		}
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+/* Get kernel pointer to shared MMU table given a per-process reference */
+static void *get_mmu_table_kernel_virt(struct mc_mmu_table *table)
+{
+	if (WARN(!table, "Invalid MMU table"))
+		return NULL;
+
+	if (WARN(!table->set, "Invalid MMU table set"))
+		return NULL;
+
+	if (WARN(!table->set->kernel_virt, "Invalid MMU pointer"))
+		return NULL;
+
+	return &(table->set->kernel_virt->table[table->idx]);
+}
+
+static inline int in_use(struct mc_mmu_table *table)
+{
+	return atomic_read(&table->usage) > 0;
+}
+
+/*
+ * Search the list of used MMU tables and return the one with the handle.
+ * Assumes the table_lock is taken.
+ */
+struct mc_mmu_table *find_mmu_table(unsigned int handle)
+{
+	struct mc_mmu_table *table;
+
+	list_for_each_entry(table, &mem_ctx.mmu_tables, list) {
+		if (table->handle == handle)
+			return table;
+	}
+	return NULL;
+}
+
+/*
+ * Allocate a new MMU table store plus MMU_TABLES_PER_PAGE in the MMU free
+ * tables list. Assumes the table_lock is already taken by the caller above.
+ */
+static int alloc_mmu_table_store(void)
+{
+	unsigned long store;
+	struct mc_mmu_tables_set *mmutable_set;
+	struct mc_mmu_table *mmutable, *mmutable2;
+	struct page *page;
+	int ret = 0, i;
+	/* temp list for holding the MMU tables */
+	LIST_HEAD(temp);
+
+	store = get_zeroed_page(GFP_KERNEL);
+	if (!store)
+		return -ENOMEM;
+
+	/*
+	 * Actually, locking is not necessary, because kernel
+	 * memory is not supposed to get swapped out. But we
+	 * play safe....
+	 */
+	page = virt_to_page(store);
+	set_bit(PG_reserved, &page->flags);
+
+	/* add all the descriptors to the free descriptors list */
+	mmutable_set = kmalloc(sizeof(*mmutable_set), GFP_KERNEL | __GFP_ZERO);
+	if (mmutable_set == NULL) {
+		ret = -ENOMEM;
+		goto free_store;
+	}
+	/* initialize */
+	mmutable_set->kernel_virt = (void *)store;
+	mmutable_set->page = page;
+	mmutable_set->phys = virt_to_phys((void *)store);
+	/* the set is not yet used */
+	atomic_set(&mmutable_set->used_tables, 0);
+
+	/* init add to list. */
+	INIT_LIST_HEAD(&(mmutable_set->list));
+	list_add(&mmutable_set->list, &mem_ctx.mmu_tables_sets);
+
+	for (i = 0; i < MMU_TABLES_PER_PAGE; i++) {
+		/* allocate a WSM MMU descriptor */
+		mmutable  = kmalloc(sizeof(*mmutable), GFP_KERNEL | __GFP_ZERO);
+		if (mmutable == NULL) {
+			ret = -ENOMEM;
+			MCDRV_DBG_ERROR(mcd, "out of memory");
+			/* Free the full temp list and the store in this case */
+			goto free_temp_list;
+		}
+
+		/* set set reference */
+		mmutable->set = mmutable_set;
+		mmutable->idx = i;
+		mmutable->virt = get_mmu_table_kernel_virt(mmutable);
+		mmutable->phys = mmutable_set->phys+i*sizeof(struct mmutable);
+		atomic_set(&mmutable->usage, 0);
+
+		/* add to temp list. */
+		INIT_LIST_HEAD(&mmutable->list);
+		list_add_tail(&mmutable->list, &temp);
+	}
+
+	/*
+	 * If everything went ok then merge the temp list with the global
+	 * free list
+	 */
+	list_splice_tail(&temp, &mem_ctx.free_mmu_tables);
+	return 0;
+free_temp_list:
+	list_for_each_entry_safe(mmutable, mmutable2, &temp, list) {
+		kfree(mmutable);
+	}
+
+	list_del(&mmutable_set->list);
+
+free_store:
+	free_page(store);
+	return ret;
+}
+/*
+ * Get a MMU table from the free tables list or allocate a new one and
+ * initialize it. Assumes the table_lock is already taken.
+ */
+static struct mc_mmu_table *alloc_mmu_table(struct mc_instance *instance)
+{
+	int ret = 0;
+	struct mc_mmu_table *table = NULL;
+
+	if (list_empty(&mem_ctx.free_mmu_tables)) {
+		ret = alloc_mmu_table_store();
+		if (ret) {
+			MCDRV_DBG_ERROR(mcd, "Failed to allocate new store!");
+			return ERR_PTR(-ENOMEM);
+		}
+		/* if it's still empty something wrong has happened */
+		if (list_empty(&mem_ctx.free_mmu_tables)) {
+			MCDRV_DBG_ERROR(mcd,
+					"Free list not updated correctly!");
+			return ERR_PTR(-EFAULT);
+		}
+	}
+
+	/* get a WSM MMU descriptor */
+	table  = list_first_entry(&mem_ctx.free_mmu_tables,
+		struct mc_mmu_table, list);
+	if (table == NULL) {
+		MCDRV_DBG_ERROR(mcd, "out of memory");
+		return ERR_PTR(-ENOMEM);
+	}
+	/* Move it to the used MMU tables list */
+	list_move_tail(&table->list, &mem_ctx.mmu_tables);
+
+	table->handle = get_unique_id();
+	table->owner = instance;
+
+	atomic_inc(&table->set->used_tables);
+	atomic_inc(&table->usage);
+
+	MCDRV_DBG_VERBOSE(mcd,
+			  "chunkPhys=0x%llX, idx=%d",
+			  (u64)table->set->phys, table->idx);
+
+	return table;
+}
+
+/*
+ * Frees the object associated with a MMU table. Initially the object is moved
+ * to the free tables list, but if all the 4 lists of the store are free
+ * then the store is also released.
+ * Assumes the table_lock is already taken.
+ */
+static void free_mmu_table(struct mc_mmu_table *table)
+{
+	struct mc_mmu_tables_set *mmutable_set;
+
+	if (WARN(!table, "Invalid table"))
+		return;
+
+	mmutable_set = table->set;
+	if (WARN(!mmutable_set, "Invalid table set"))
+		return;
+
+	list_move_tail(&table->list, &mem_ctx.free_mmu_tables);
+
+	/* if nobody uses this set, we can release it. */
+	if (atomic_dec_and_test(&mmutable_set->used_tables)) {
+		struct mc_mmu_table *tmp;
+
+		/* remove from list */
+		list_del(&mmutable_set->list);
+		/*
+		 * All the MMU tables are in the free list for this set
+		 * so we can just remove them from there
+		 */
+		list_for_each_entry_safe(table, tmp, &mem_ctx.free_mmu_tables,
+					 list) {
+			if (table->set == mmutable_set) {
+				list_del(&table->list);
+				kfree(table);
+			}
+		} /* end while */
+
+		/*
+		 * We shouldn't recover from this since it was some data
+		 * corruption before
+		 */
+		BUG_ON(!mmutable_set->page);
+		clear_bit(PG_reserved, &(mmutable_set->page)->flags);
+
+
+		BUG_ON(!mmutable_set->kernel_virt);
+		free_page((unsigned long)mmutable_set->kernel_virt);
+
+		kfree(mmutable_set);
+	}
+}
+
+/*
+ * Create a MMU table in a WSM container that has been allocates previously.
+ * Assumes the table lock is already taken or there is no need to take like
+ * when first creating the MMU table the full list is locked.
+ *
+ * @task	pointer to task owning WSM
+ * @wsm_buffer  user space WSM start
+ * @wsm_len     WSM length
+ * @table       Pointer to MMU table details
+ */
+static int map_buffer(struct task_struct *task, void *wsm_buffer,
+		      unsigned int wsm_len, struct mc_mmu_table *table)
+{
+	int		ret = 0;
+	unsigned int	i, nr_of_pages;
+	/* start address of the 4 KiB page of wsm_buffer */
+	void		*virt_addr_page;
+	struct page	*page;
+	struct mmutable	*mmutable;
+	struct page	**mmutable_as_array_of_pointers_to_page;
+	/* page offset in wsm buffer */
+	unsigned int offset;
+
+	if (WARN(!wsm_buffer, "Invalid WSM buffer pointer"))
+		return -EINVAL;
+
+	if (WARN(wsm_len == 0, "Invalid WSM buffer length"))
+		return -EINVAL;
+
+	if (WARN(!table, "Invalid mapping table for WSM"))
+		return -EINVAL;
+
+	/* no size > 1Mib supported */
+	if (wsm_len > SZ_1M) {
+		MCDRV_DBG_ERROR(mcd, "size > 1 MiB");
+		return -EINVAL;
+	}
+
+	MCDRV_DBG_VERBOSE(mcd, "WSM addr=0x%p, len=0x%08x", wsm_buffer,
+			  wsm_len);
+
+	/* calculate page usage */
+	virt_addr_page = (void *)(((unsigned long)(wsm_buffer)) & PAGE_MASK);
+	offset = (unsigned int)	(((unsigned long)(wsm_buffer)) & (~PAGE_MASK));
+	nr_of_pages  = PAGE_ALIGN(offset + wsm_len) / PAGE_SIZE;
+
+	MCDRV_DBG_VERBOSE(mcd, "virt addr page start=0x%p, pages=%d",
+			  virt_addr_page, nr_of_pages);
+
+	/* MMU table can hold max 1MiB in 256 pages. */
+	if ((nr_of_pages * PAGE_SIZE) > SZ_1M) {
+		MCDRV_DBG_ERROR(mcd, "WSM paged exceed 1 MiB");
+		return -EINVAL;
+	}
+
+	mmutable = table->virt;
+	/*
+	 * We use the memory for the MMU table to hold the pointer
+	 * and convert them later. This works, as everything comes
+	 * down to a 32 bit value.
+	 */
+	mmutable_as_array_of_pointers_to_page = (struct page **)mmutable;
+
+	/* Request comes from user space */
+	if (task != NULL && !is_vmalloc_addr(wsm_buffer)) {
+		/*
+		 * lock user page in memory, so they do not get swapped
+		 * out.
+		 * REV axh: Kernel 2.6.27 added a new get_user_pages_fast()
+		 * function, maybe it is called fast_gup() in some versions.
+		 * handle user process doing a fork().
+		 * Child should not get things.
+		 * http://osdir.com/ml/linux-media/2009-07/msg00813.html
+		 * http://lwn.net/Articles/275808/
+		 */
+		ret = lock_pages(task, virt_addr_page, nr_of_pages,
+				 mmutable_as_array_of_pointers_to_page);
+		if (ret != 0) {
+			MCDRV_DBG_ERROR(mcd, "lock_user_pages() failed");
+			return ret;
+		}
+	}
+	/* Request comes from kernel space(cont buffer) */
+	else if (task == NULL && !is_vmalloc_addr(wsm_buffer)) {
+		void *uaddr = wsm_buffer;
+		for (i = 0; i < nr_of_pages; i++) {
+			page = virt_to_page(uaddr);
+			if (!page) {
+				MCDRV_DBG_ERROR(mcd, "failed to map address");
+				return -EINVAL;
+			}
+			get_page(page);
+			mmutable_as_array_of_pointers_to_page[i] = page;
+			uaddr += PAGE_SIZE;
+		}
+	}
+	/* Request comes from kernel space(vmalloc buffer) */
+	else {
+		void *uaddr = wsm_buffer;
+		for (i = 0; i < nr_of_pages; i++) {
+			page = vmalloc_to_page(uaddr);
+			if (!page) {
+				MCDRV_DBG_ERROR(mcd, "failed to map address");
+				return -EINVAL;
+			}
+			get_page(page);
+			mmutable_as_array_of_pointers_to_page[i] = page;
+			uaddr += PAGE_SIZE;
+		}
+	}
+
+	table->pages = nr_of_pages;
+
+	/*
+	 * create MMU Table entries.
+	 * used_mmutable->table contains a list of page pointers here.
+	 * For a proper cleanup we have to ensure that the following
+	 * code either works and used_mmutable contains a valid MMU table
+	 * - or fails and used_mmutable->table contains the list of page
+	 * pointers.
+	 * Any mixed contents will make cleanup difficult.
+	 * Fill the table in reverse order as the table is used as input and
+	 * output.
+	 */
+	i = MC_ARM_MMU_TABLE_ENTRIES-1;
+	do {
+		if (i < nr_of_pages) {
+#ifdef LPAE_SUPPORT
+			uint64_t pte;
+#elif defined(CONFIG_ARM_LPAE) && !defined(LPAE_SUPPORT)
+			/* Nwd supports 64bit addresses, SWD only 32bit */
+			uint64_t pte64;
+			uint32_t pte;
+#else
+			uint32_t pte;
+#endif
+			page = mmutable_as_array_of_pointers_to_page[i];
+
+			/*
+			 * create MMU table entry, see ARM MMU docu for details
+			 * about flags stored in the lowest 12 bits.
+			 * As a side reference, the Article
+			 * "ARM's multiply-mapped memory mess"
+			 * found in the collection at
+			 * http://lwn.net/Articles/409032/
+			 * is also worth reading.
+			 */
+#ifdef LPAE_SUPPORT
+			pte = page_to_phys(page);
+			pte |=	MMU_EXT_XN
+				| MMU_EXT_NG
+				| MMU_EXT_AF
+				| MMU_AP_RW_ALL
+				| MMU_NS
+				| MMU_CACHEABLE | MMU_BUFFERABLE
+				| MMU_TYPE_PAGE;
+#elif defined(CONFIG_ARM_LPAE) && !defined(LPAE_SUPPORT)
+			/*
+			 * NWD uses 64bit addresses but SWD can handle only
+			 * short descriptors
+			 * and physical addresses not bigger than 4GB
+			 */
+			 pte64 = page_to_phys(page);
+			 if ((pte64 >> 32) != 0) {
+				MCDRV_DBG_ERROR(mcd,
+						"physical addresses bigger than 4GB not supported");
+				return -EINVAL;
+				}
+			pte = (uint32_t)pte64;
+			pte |= MMU_EXT_AP1 | MMU_EXT_AP0
+				| MMU_CACHEABLE | MMU_BUFFERABLE
+				| MMU_TYPE_SMALL | MMU_TYPE_EXT | MMU_EXT_NG;
+#else
+			pte = page_to_phys(page);
+			pte |= MMU_EXT_AP1 | MMU_EXT_AP0
+				| MMU_CACHEABLE | MMU_BUFFERABLE
+				| MMU_TYPE_SMALL | MMU_TYPE_EXT | MMU_EXT_NG;
+#endif /* LPAE_SUPPORT */
+			/*
+			 * Linux uses different mappings for SMP systems(the
+			 * sharing flag is set for the pte. In order not to
+			 * confuse things too much in Mobicore make sure the
+			 * shared buffers have the same flags.
+			 * This should also be done in SWD side
+			 */
+#ifdef CONFIG_SMP
+#ifdef LPAE_SUPPORT
+			pte |= MMU_EXT_SHARED;
+#else
+			pte |= MMU_EXT_SHARED | MMU_EXT_TEX(1);
+#endif /* LPAE_SUPPORT */
+#endif /* CONFIG_SMP */
+
+			mmutable->table_entries[i] = pte;
+			MCDRV_DBG_VERBOSE(mcd, "MMU entry %d:  0x%llx", i,
+					  (u64)(pte));
+		} else {
+			/* ensure rest of table is empty */
+			mmutable->table_entries[i] = 0;
+		}
+	} while (i-- != 0);
+
+	return ret;
+}
+
+/*
+ * Remove a MMU table in a WSM container. Afterwards the container may be
+ * released. Assumes the table_lock and the lock is taken.
+ */
+static void unmap_buffers(struct mc_mmu_table *table)
+{
+	struct mmutable *mmutable;
+	int i;
+
+	if (WARN_ON(!table))
+		return;
+
+	/* found the table, now release the resources. */
+	MCDRV_DBG_VERBOSE(mcd,
+			  "clear MMU table, phys_base=0x%llX,nr_of_pages=%d",
+			  (u64)table->phys, table->pages);
+
+	mmutable = table->virt;
+
+	/* release all locked user space pages */
+	for (i = 0; i < table->pages; i++) {
+		/* convert physical entries from MMU table to page pointers */
+		struct page *page;
+		page = phys_to_page(mmutable->table_entries[i]);
+		release_page(page);
+	}
+
+	/* remember that all pages have been freed */
+	table->pages = 0;
+}
+
+/* Delete a used MMU table. Assumes the table_lock and the lock is taken */
+static void unmap_mmu_table(struct mc_mmu_table *table)
+{
+	/* Check if it's not locked by other processes too! */
+	if (!atomic_dec_and_test(&table->usage))
+		return;
+
+	/* release if Nwd and Swd/MC do no longer use it. */
+	unmap_buffers(table);
+	free_mmu_table(table);
+}
+
+int mc_free_mmu_table(struct mc_instance *instance, uint32_t handle)
+{
+	struct mc_mmu_table *table;
+	int ret = 0;
+
+	if (WARN(!instance, "No instance data available"))
+		return -EFAULT;
+
+	mutex_lock(&mem_ctx.table_lock);
+	table = find_mmu_table(handle);
+
+	if (table == NULL) {
+		MCDRV_DBG_VERBOSE(mcd, "entry not found");
+		ret = -EINVAL;
+		goto err_unlock;
+	}
+	if (instance != table->owner && !is_daemon(instance)) {
+		MCDRV_DBG_ERROR(mcd, "instance does no own it");
+		ret = -EPERM;
+		goto err_unlock;
+	}
+	/* free table (if no further locks exist) */
+	unmap_mmu_table(table);
+err_unlock:
+	mutex_unlock(&mem_ctx.table_lock);
+
+	return ret;
+}
+
+int mc_lock_mmu_table(struct mc_instance *instance, uint32_t handle)
+{
+	int ret = 0;
+	struct mc_mmu_table *table = NULL;
+
+	if (WARN(!instance, "No instance data available"))
+		return -EFAULT;
+
+	mutex_lock(&mem_ctx.table_lock);
+	table = find_mmu_table(handle);
+
+	if (table == NULL) {
+		MCDRV_DBG_VERBOSE(mcd, "entry not found %u", handle);
+		ret = -EINVAL;
+		goto table_err;
+	}
+	if (instance != table->owner && !is_daemon(instance)) {
+		MCDRV_DBG_ERROR(mcd, "instance does no own it");
+		ret = -EPERM;
+		goto table_err;
+	}
+
+	/* lock entry */
+	atomic_inc(&table->usage);
+table_err:
+	mutex_unlock(&mem_ctx.table_lock);
+	return ret;
+}
+/*
+ * Allocate MMU table and map buffer into it.
+ * That is, create respective table entries.
+ */
+struct mc_mmu_table *mc_alloc_mmu_table(struct mc_instance *instance,
+	struct task_struct *task, void *wsm_buffer, unsigned int wsm_len)
+{
+	int ret = 0;
+	struct mc_mmu_table *table;
+
+	if (WARN(!instance, "No instance data available"))
+		return ERR_PTR(-EFAULT);
+
+	mutex_lock(&mem_ctx.table_lock);
+	table = alloc_mmu_table(instance);
+	if (IS_ERR(table)) {
+		MCDRV_DBG_ERROR(mcd, "alloc_mmu_table() failed");
+		ret = -ENOMEM;
+		goto err_no_mem;
+	}
+
+	/* create the MMU page for the WSM */
+	ret = map_buffer(task, wsm_buffer, wsm_len, table);
+
+	if (ret != 0) {
+		MCDRV_DBG_ERROR(mcd, "map_buffer() failed");
+		unmap_mmu_table(table);
+		goto err_no_mem;
+	}
+	MCDRV_DBG_VERBOSE(mcd,
+			  "mapped buffer %p to table with handle %d @ 0x%llX",
+			  wsm_buffer, table->handle, (u64)table->phys);
+
+	mutex_unlock(&mem_ctx.table_lock);
+	return table;
+err_no_mem:
+	mutex_unlock(&mem_ctx.table_lock);
+	return ERR_PTR(ret);
+}
+
+phys_addr_t mc_find_mmu_table(uint32_t handle, int32_t fd)
+{
+	phys_addr_t ret = 0;
+	struct mc_mmu_table *table = NULL;
+
+	mutex_lock(&mem_ctx.table_lock);
+	table = find_mmu_table(handle);
+
+	if (table == NULL) {
+		MCDRV_DBG_ERROR(mcd, "entry not found %u", handle);
+		ret = 0;
+		goto table_err;
+	}
+
+	/* It's safe here not to lock the instance since the owner of
+	 * the table will be cleared only with the table lock taken */
+	if (!mc_check_owner_fd(table->owner, fd)) {
+		MCDRV_DBG_ERROR(mcd, "not valid owner %u", handle);
+		ret = 0;
+		goto table_err;
+	}
+
+	ret = table->phys;
+table_err:
+	mutex_unlock(&mem_ctx.table_lock);
+	return ret;
+}
+
+void mc_clean_mmu_tables(void)
+{
+	struct mc_mmu_table *table, *tmp;
+
+	mutex_lock(&mem_ctx.table_lock);
+	/* Check if some WSM is orphaned. */
+	list_for_each_entry_safe(table, tmp, &mem_ctx.mmu_tables, list) {
+		if (table->owner == NULL) {
+			MCDRV_DBG(mcd,
+				  "cleariM MMU: p=0x%llX pages=%d",
+				  (u64)table->phys,
+				  table->pages);
+			unmap_mmu_table(table);
+		}
+	}
+	mutex_unlock(&mem_ctx.table_lock);
+}
+
+void mc_clear_mmu_tables(struct mc_instance *instance)
+{
+	struct mc_mmu_table *table, *tmp;
+
+	mutex_lock(&mem_ctx.table_lock);
+	/* Check if some WSM is still in use. */
+	list_for_each_entry_safe(table, tmp, &mem_ctx.mmu_tables, list) {
+		if (table->owner == instance) {
+			MCDRV_DBG(mcd, "release WSM MMU: p=0x%llX pages=%d",
+				  (u64)table->phys,
+				  table->pages);
+			/* unlock app usage and free or mark it as orphan */
+			table->owner = NULL;
+			unmap_mmu_table(table);
+		}
+	}
+	mutex_unlock(&mem_ctx.table_lock);
+}
+
+int mc_init_mmu_tables(void)
+{
+	/* init list for WSM MMU chunks. */
+	INIT_LIST_HEAD(&mem_ctx.mmu_tables_sets);
+
+	/* MMU table descriptor list. */
+	INIT_LIST_HEAD(&mem_ctx.mmu_tables);
+
+	/* MMU free table descriptor list. */
+	INIT_LIST_HEAD(&mem_ctx.free_mmu_tables);
+
+	mutex_init(&mem_ctx.table_lock);
+
+	return 0;
+}
+
+void mc_release_mmu_tables(void)
+{
+	struct mc_mmu_table *table;
+	/* Check if some WSM is still in use. */
+	list_for_each_entry(table, &mem_ctx.mmu_tables, list) {
+		WARN(1, "WSM MMU still in use: phys=0x%llX ,nr_of_pages=%d",
+		     (u64)table->phys, table->pages);
+	}
+}
diff --git a/drivers/gud/MobiCoreDriver/mem.h b/drivers/gud/MobiCoreDriver/mem.h
new file mode 100644
index 0000000..5c9006a
--- /dev/null
+++ b/drivers/gud/MobiCoreDriver/mem.h
@@ -0,0 +1,139 @@
+/*
+ * MobiCore driver module.(interface to the secure world SWD)
+ *
+ * <-- Copyright Giesecke & Devrient GmbH 2009-2012 -->
+ * <-- Copyright Trustonic Limited 2013 -->
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _MC_MEM_H_
+#define _MC_MEM_H_
+
+#ifdef LPAE_SUPPORT
+/*
+ * Number of page table entries in one MMU table. This is ARM specific, an
+ * MMU table covers 2 MiB by using 512 entries referring to 4KiB pages each.
+ */
+#define MC_ARM_MMU_TABLE_ENTRIES		512
+
+/* ARM level 3 (MMU) table with 512 entries. Size: 4k */
+struct mmutable {
+	uint64_t	table_entries[MC_ARM_MMU_TABLE_ENTRIES];
+};
+
+/* There is 1 table in each page. */
+#define MMU_TABLES_PER_PAGE		1
+#else
+/*
+ * MobiCore specific page tables for world shared memory.
+ * Linux uses shadow page tables, see arch/arm/include/asm/pgtable-2level.
+ * MobiCore uses the default ARM format.
+ *
+ * Number of page table entries in one MMU table. This is ARM specific, an
+ * MMU table covers 1 MiB by using 256 entries referring to 4KiB pages each.
+ */
+#define MC_ARM_MMU_TABLE_ENTRIES		256
+
+/* ARM level 2 (MMU) table with 256 entries. Size: 1k */
+struct mmutable {
+	uint32_t	table_entries[MC_ARM_MMU_TABLE_ENTRIES];
+};
+
+/* There are 4 tables in each page. */
+#define MMU_TABLES_PER_PAGE		4
+#endif
+
+/* Store for four MMU tables in one 4kb page*/
+struct mc_mmu_table_store {
+	struct mmutable table[MMU_TABLES_PER_PAGE];
+};
+
+/* Usage and maintenance information about mc_mmu_table_store */
+struct mc_mmu_tables_set {
+	struct list_head		list;
+	/* kernel virtual address */
+	struct mc_mmu_table_store	*kernel_virt;
+	/* physical address */
+	phys_addr_t			phys;
+	/* pointer to page struct */
+	struct page			*page;
+	/* How many pages from this set are used */
+	atomic_t			used_tables;
+};
+
+/*
+ * MMU table allocated to the Daemon or a TLC describing a world shared
+ * buffer.
+ * When users map a malloc()ed area into SWd, a MMU table is allocated.
+ * In addition, the area of maximum 1MB virtual address space is mapped into
+ * the MMU table and a handle for this table is returned to the user.
+ */
+struct mc_mmu_table {
+	struct list_head	list;
+	/* Table lock */
+	struct mutex		lock;
+	/* handle as communicated to user mode */
+	unsigned int		handle;
+	/* Number of references kept to this MMU table */
+	atomic_t		usage;
+	/* owner of this MMU table */
+	struct mc_instance	*owner;
+	/* set describing where our MMU table is stored */
+	struct mc_mmu_tables_set	*set;
+	/* index into MMU table set */
+	unsigned int		idx;
+	/* size of buffer */
+	unsigned int		pages;
+	/* virtual address*/
+	void			*virt;
+	/* physical address */
+	phys_addr_t		phys;
+};
+
+/* MobiCore Driver Memory context data. */
+struct mc_mem_context {
+	struct mc_instance	*daemon_inst;
+	/* Backing store for MMU tables */
+	struct list_head	mmu_tables_sets;
+	/* Bookkeeping for used MMU tables */
+	struct list_head	mmu_tables;
+	/* Bookkeeping for free MMU tables */
+	struct list_head	free_mmu_tables;
+	/* semaphore to synchronize access to above lists */
+	struct mutex		table_lock;
+};
+
+/*
+ * Allocate MMU table and map buffer into it.
+ * That is, create respective table entries.
+ */
+struct mc_mmu_table *mc_alloc_mmu_table(struct mc_instance *instance,
+	struct task_struct *task, void *wsm_buffer, unsigned int wsm_len);
+
+/* Delete all the MMU tables associated with an instance */
+void mc_clear_mmu_tables(struct mc_instance *instance);
+
+/* Release all orphaned MMU tables */
+void mc_clean_mmu_tables(void);
+
+/* Delete a used MMU table. */
+int mc_free_mmu_table(struct mc_instance *instance, uint32_t handle);
+
+/*
+ * Lock a MMU table - the daemon adds +1 to refcount of the MMU table
+ * marking it in use by SWD so it doesn't get released when the TLC dies.
+ */
+int mc_lock_mmu_table(struct mc_instance *instance, uint32_t handle);
+
+/* Return the phys address of MMU table. */
+phys_addr_t mc_find_mmu_table(uint32_t handle, int32_t fd);
+/* Release all used MMU tables to Linux memory space */
+void mc_release_mmu_tables(void);
+
+/* Initialize all MMU tables structure */
+int mc_init_mmu_tables(void);
+
+#endif /* _MC_MEM_H_ */
diff --git a/drivers/gud/MobiCoreDriver/ops.c b/drivers/gud/MobiCoreDriver/ops.c
new file mode 100644
index 0000000..96b4f4f
--- /dev/null
+++ b/drivers/gud/MobiCoreDriver/ops.c
@@ -0,0 +1,398 @@
+/*
+ * MobiCore Driver Kernel Module.
+ *
+ * This module is written as a Linux device driver.
+ * This driver represents the command proxy on the lowest layer, from the
+ * secure world to the non secure world, and vice versa.
+ * This driver is located in the non secure world (Linux).
+ * This driver offers IOCTL commands, for access to the secure world, and has
+ * the interface from the secure world to the normal world.
+ * The access to the driver is possible with a file descriptor,
+ * which has to be created by the fd = open(/dev/mobicore) command.
+ *
+ * <-- Copyright Giesecke & Devrient GmbH 2009-2012 -->
+ * <-- Copyright Trustonic Limited 2013 -->
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kthread.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/workqueue.h>
+#include <linux/cpu.h>
+
+#include "main.h"
+#include "fastcall.h"
+#include "ops.h"
+#include "mem.h"
+#include "pm.h"
+#include "debug.h"
+
+/* MobiCore context data */
+static struct mc_context *ctx;
+#ifdef TBASE_CORE_SWITCHER
+static uint32_t active_cpu;
+
+static int mobicore_cpu_callback(struct notifier_block *nfb,
+				 unsigned long action, void *hcpu);
+static struct notifier_block mobicore_cpu_notifer = {
+	.notifier_call = mobicore_cpu_callback,
+};
+#endif
+
+static inline long smc(union fc_generic *fc)
+{
+	/* If we request sleep yields must be filtered out as they
+	 * make no sense */
+	if (ctx->mcp)
+		if (ctx->mcp->flags.sleep_mode.sleep_req) {
+			if (fc->as_in.cmd == MC_SMC_N_YIELD)
+				return MC_FC_RET_ERR_INVALID;
+		}
+	return _smc(fc);
+}
+
+struct fastcall_work {
+#ifdef MC_FASTCALL_WORKER_THREAD
+	struct kthread_work work;
+#else
+	struct work_struct work;
+#endif
+	void *data;
+};
+
+#ifdef MC_FASTCALL_WORKER_THREAD
+static void fastcall_work_func(struct kthread_work *work);
+#else
+static void fastcall_work_func(struct work_struct *work);
+#endif
+
+
+#ifdef MC_FASTCALL_WORKER_THREAD
+
+static struct task_struct *fastcall_thread;
+static DEFINE_KTHREAD_WORKER(fastcall_worker);
+
+bool mc_fastcall(void *data)
+{
+	struct fastcall_work fc_work = {
+		KTHREAD_WORK_INIT(fc_work.work, fastcall_work_func),
+		.data = data,
+	};
+
+	if (!queue_kthread_work(&fastcall_worker, &fc_work.work))
+		return false;
+	flush_kthread_work(&fc_work.work);
+	return true;
+}
+
+int mc_fastcall_init(struct mc_context *context)
+{
+	int ret = 0;
+	ctx = context;
+
+	fastcall_thread = kthread_create(kthread_worker_fn, &fastcall_worker,
+					 "mc_fastcall");
+	if (IS_ERR(fastcall_thread)) {
+		ret = PTR_ERR(fastcall_thread);
+		fastcall_thread = NULL;
+		MCDRV_DBG_ERROR(mcd, "cannot create fastcall wq (%d)", ret);
+		return ret;
+	}
+
+	wake_up_process(fastcall_thread);
+
+	/* this thread MUST run on CPU 0 at startup */
+	set_cpus_allowed(fastcall_thread, CPU_MASK_CPU0);
+#ifdef TBASE_CORE_SWITCHER
+	register_cpu_notifier(&mobicore_cpu_notifer);
+#endif
+	return 0;
+}
+
+void mc_fastcall_destroy(void)
+{
+	if (!IS_ERR_OR_NULL(fastcall_thread)) {
+		kthread_stop(fastcall_thread);
+		fastcall_thread = NULL;
+	}
+}
+#else
+
+bool mc_fastcall(void *data)
+{
+	struct fastcall_work work = {
+		.data = data,
+	};
+	INIT_WORK(&work.work, fastcall_work_func);
+	if (!schedule_work_on(0, &work.work))
+		return false;
+	flush_work(&work.work);
+	return true;
+}
+
+int mc_fastcall_init(struct mc_context *context)
+{
+	ctx = context;
+	return 0;
+};
+
+void mc_fastcall_destroy(void) {};
+#endif
+
+#ifdef MC_FASTCALL_WORKER_THREAD
+static void fastcall_work_func(struct kthread_work *work)
+#else
+static void fastcall_work_func(struct work_struct *work)
+#endif
+{
+	struct fastcall_work *fc_work =
+		container_of(work, struct fastcall_work, work);
+	union fc_generic *fc_generic = fc_work->data;
+#ifdef TBASE_CORE_SWITCHER
+	uint32_t cpu_swap = 0, new_cpu;
+	uint32_t cpu_id[] = CPU_IDS;
+#endif
+
+#ifdef MC_CRYPTO_CLOCK_MANAGEMENT
+	mc_pm_clock_enable();
+#endif
+
+
+	if (fc_generic == NULL)
+		return;
+#ifdef TBASE_CORE_SWITCHER
+	if (fc_generic->as_in.cmd == MC_FC_SWITCH_CORE) {
+		cpu_swap = 1;
+		new_cpu = fc_generic->as_in.param[0];
+		fc_generic->as_in.param[0] = cpu_id[fc_generic->as_in.param[0]];
+	}
+#endif
+	smc(fc_work->data);
+#ifdef TBASE_CORE_SWITCHER
+	if (cpu_swap) {
+		if (fc_generic->as_out.ret == 0) {
+			cpumask_t cpu;
+			active_cpu = new_cpu;
+			MCDRV_DBG(mcd, "CoreSwap ok %d -> %d\n",
+				  raw_smp_processor_id(), active_cpu);
+			cpumask_clear(&cpu);
+			cpumask_set_cpu(active_cpu, &cpu);
+#ifdef MC_FASTCALL_WORKER_THREAD
+			set_cpus_allowed(fastcall_thread, cpu);
+#endif
+		} else {
+			MCDRV_DBG(mcd, "CoreSwap failed %d -> %d\n",
+				  raw_smp_processor_id(),
+				  fc_generic->as_in.param[0]);
+		}
+	}
+#endif
+#ifdef MC_CRYPTO_CLOCK_MANAGEMENT
+	mc_pm_clock_disable();
+#endif
+}
+
+int mc_info(uint32_t ext_info_id, uint32_t *state, uint32_t *ext_info)
+{
+	int ret = 0;
+	union mc_fc_info fc_info;
+
+	MCDRV_DBG_VERBOSE(mcd, "enter");
+
+	memset(&fc_info, 0, sizeof(fc_info));
+	fc_info.as_in.cmd = MC_FC_INFO;
+	fc_info.as_in.ext_info_id = ext_info_id;
+
+	MCDRV_DBG(mcd, "<- cmd=0x%08x, ext_info_id=0x%08x",
+		  fc_info.as_in.cmd, fc_info.as_in.ext_info_id);
+
+	mc_fastcall(&(fc_info.as_generic));
+
+	MCDRV_DBG(mcd,
+		  "-> r=0x%08x ret=0x%08x state=0x%08x "
+		  "ext_info=0x%08x",
+		  fc_info.as_out.resp,
+		  fc_info.as_out.ret,
+		  fc_info.as_out.state,
+		  fc_info.as_out.ext_info);
+
+	ret = convert_fc_ret(fc_info.as_out.ret);
+
+	*state  = fc_info.as_out.state;
+	*ext_info = fc_info.as_out.ext_info;
+
+	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X", ret, ret);
+
+	return ret;
+}
+
+#ifdef TBASE_CORE_SWITCHER
+int mc_switch_core(uint32_t core_num)
+{
+	int32_t ret = 0;
+	union mc_fc_swich_core fc_switch_core;
+
+	if (!cpu_online(core_num))
+		return 1;
+
+	MCDRV_DBG_VERBOSE(mcd, "enter\n");
+
+	memset(&fc_switch_core, 0, sizeof(fc_switch_core));
+	fc_switch_core.as_in.cmd = MC_FC_SWITCH_CORE;
+
+	if (core_num < COUNT_OF_CPUS)
+		fc_switch_core.as_in.core_id = core_num;
+	else
+		fc_switch_core.as_in.core_id = 0;
+
+	MCDRV_DBG(
+			mcd, "<- cmd=0x%08x, core_num=0x%08x, "
+			"active_cpu=0x%08x, active_cpu=0x%08x\n",
+			fc_switch_core.as_in.cmd,
+			fc_switch_core.as_in.core_id,
+			core_num, active_cpu);
+	mc_fastcall(&(fc_switch_core.as_generic));
+
+	ret = convert_fc_ret(fc_switch_core.as_out.ret);
+
+	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X\n", ret, ret);
+
+	return ret;
+}
+
+void mc_cpu_offfline(int cpu)
+{
+	if (active_cpu == cpu) {
+		int i;
+		/* Chose the first online CPU and switch! */
+		for_each_online_cpu(i) {
+			if (i == cpu) {
+				MCDRV_DBG(mcd, "Skipping CPU %d\n", cpu);
+				continue;
+			}
+			MCDRV_DBG(mcd, "CPU %d is dying, switching to %d\n",
+				  cpu, i);
+			mc_switch_core(i);
+			break;
+		}
+	} else {
+		MCDRV_DBG(mcd, "not active CPU, no action taken\n");
+	}
+}
+
+static int mobicore_cpu_callback(struct notifier_block *nfb,
+				unsigned long action, void *hcpu)
+{
+	unsigned int cpu = (unsigned long)hcpu;
+
+	switch (action) {
+	case CPU_DOWN_PREPARE:
+	case CPU_DOWN_PREPARE_FROZEN:
+		dev_info(mcd, "Cpu %u is going to die\n", cpu);
+		mc_cpu_offfline(cpu);
+		break;
+	case CPU_DEAD:
+	case CPU_DEAD_FROZEN:
+		dev_info(mcd, "Cpu %u is dead\n", cpu);
+		break;
+	}
+	return NOTIFY_OK;
+}
+#endif
+
+/* Yield to MobiCore */
+int mc_yield(void)
+{
+	int ret = 0;
+	union fc_generic yield;
+
+	MCDRV_DBG_VERBOSE(mcd, "enter");
+	memset(&yield, 0, sizeof(yield));
+	yield.as_in.cmd = MC_SMC_N_YIELD;
+	mc_fastcall(&yield);
+	ret = convert_fc_ret(yield.as_out.ret);
+
+	return ret;
+}
+
+/* call common notify */
+int mc_nsiq(void)
+{
+	int ret = 0;
+	union fc_generic nsiq;
+	MCDRV_DBG_VERBOSE(mcd, "enter");
+	memset(&nsiq, 0, sizeof(nsiq));
+	nsiq.as_in.cmd = MC_SMC_N_SIQ;
+	mc_fastcall(&nsiq);
+	ret = convert_fc_ret(nsiq.as_out.ret);
+	return ret;
+}
+
+/* call common notify */
+int _nsiq(void)
+{
+	int ret = 0;
+	union fc_generic nsiq;
+	MCDRV_DBG_VERBOSE(mcd, "enter");
+	memset(&nsiq, 0, sizeof(nsiq));
+	nsiq.as_in.cmd = MC_SMC_N_SIQ;
+	_smc(&nsiq);
+	ret = convert_fc_ret(nsiq.as_out.ret);
+	return ret;
+}
+
+/* Call the INIT fastcall to setup MobiCore initialization */
+int mc_init(phys_addr_t base, uint32_t nq_length,
+	uint32_t mcp_offset, uint32_t mcp_length)
+{
+	int ret = 0;
+	union mc_fc_init fc_init;
+	uint64_t base_addr = (uint64_t)base;
+	uint32_t base_high = (uint32_t)(base_addr >> 32);
+
+	MCDRV_DBG_VERBOSE(mcd, "enter");
+
+	memset(&fc_init, 0, sizeof(fc_init));
+
+	fc_init.as_in.cmd = MC_FC_INIT;
+	/* base address of mci buffer 4KB aligned */
+	fc_init.as_in.base = (uint32_t)base_addr;
+	/* notification buffer start/length [16:16] [start, length] */
+	fc_init.as_in.nq_info = ((base_high && 0xFFFF) << 16) |
+				(nq_length & 0xFFFF);
+	/* mcp buffer start/length [16:16] [start, length] */
+	fc_init.as_in.mcp_info = (mcp_offset << 16) | (mcp_length & 0xFFFF);
+
+	/*
+	 * Set KMOD notification queue to start of MCI
+	 * mciInfo was already set up in mmap
+	 */
+	MCDRV_DBG(mcd,
+		  "cmd=0x%08x, base=0x%08x,nq_info=0x%08x, mcp_info=0x%08x",
+		  fc_init.as_in.cmd, fc_init.as_in.base, fc_init.as_in.nq_info,
+		  fc_init.as_in.mcp_info);
+	mc_fastcall(&fc_init.as_generic);
+	MCDRV_DBG(mcd, "out cmd=0x%08x, ret=0x%08x", fc_init.as_out.resp,
+		  fc_init.as_out.ret);
+
+	ret = convert_fc_ret(fc_init.as_out.ret);
+
+	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X", ret, ret);
+
+	return ret;
+}
+
+/* Return MobiCore driver version */
+uint32_t mc_get_version(void)
+{
+	MCDRV_DBG(mcd, "MobiCore driver version is %i.%i",
+		  MCDRVMODULEAPI_VERSION_MAJOR,
+		  MCDRVMODULEAPI_VERSION_MINOR);
+
+	return MC_VERSION(MCDRVMODULEAPI_VERSION_MAJOR,
+					MCDRVMODULEAPI_VERSION_MINOR);
+}
diff --git a/drivers/gud/mobicore_driver/ops.h b/drivers/gud/MobiCoreDriver/ops.h
similarity index 78%
rename from drivers/gud/mobicore_driver/ops.h
rename to drivers/gud/MobiCoreDriver/ops.h
index 910c1f4..f04eb3e 100644
--- a/drivers/gud/mobicore_driver/ops.h
+++ b/drivers/gud/MobiCoreDriver/ops.h
@@ -21,10 +21,13 @@
 uint32_t mc_get_version(void);
 
 int mc_info(uint32_t ext_info_id, uint32_t *state, uint32_t *ext_info);
-int mc_init(uint32_t base, uint32_t  nq_offset, uint32_t  nq_length,
-	    uint32_t mcp_offset, uint32_t  mcp_length);
+int mc_init(phys_addr_t base, uint32_t  nq_length, uint32_t mcp_offset,
+		uint32_t  mcp_length);
+#ifdef TBASE_CORE_SWITCHER
+int mc_switch_core(uint32_t core_num);
+#endif
 
-void mc_fastcall(void *data);
+bool mc_fastcall(void *data);
 
 int mc_fastcall_init(struct mc_context *context);
 void mc_fastcall_destroy(void);
diff --git a/drivers/gud/mobicore_driver/platforms/msm8960_surf_std/platform.h b/drivers/gud/MobiCoreDriver/platforms/MSM8960_SURF_STD/platform.h
similarity index 85%
rename from drivers/gud/mobicore_driver/platforms/msm8960_surf_std/platform.h
rename to drivers/gud/MobiCoreDriver/platforms/MSM8960_SURF_STD/platform.h
index 7854fc5..72ea3ed 100644
--- a/drivers/gud/mobicore_driver/platforms/msm8960_surf_std/platform.h
+++ b/drivers/gud/MobiCoreDriver/platforms/MSM8960_SURF_STD/platform.h
@@ -36,20 +36,12 @@
 }
 
 /* Enable mobicore mem traces */
-/* #define MC_MEM_TRACES */
+#define MC_MEM_TRACES
 
 /* Enable the use of vm_unamp instead of the deprecated do_munmap
  * and other 3.7 features
  */
-#ifndef CONFIG_ARCH_MSM8960
 #define MC_VM_UNMAP
-#endif
-
-
-#if defined(CONFIG_ARCH_MSM8974) || defined(CONFIG_ARCH_MSM8226)
-/* Perform clock enable/disable */
-#define MC_CRYPTO_CLOCK_MANAGEMENT
-#endif
 
 /* Enable Power Management for Crypto Engine */
 #define MC_CRYPTO_CLOCK_MANAGEMENT
diff --git a/drivers/gud/mobicore_driver/pm.c b/drivers/gud/MobiCoreDriver/pm.c
similarity index 66%
rename from drivers/gud/mobicore_driver/pm.c
rename to drivers/gud/MobiCoreDriver/pm.c
index 55a1ef7..40365ef 100644
--- a/drivers/gud/mobicore_driver/pm.c
+++ b/drivers/gud/MobiCoreDriver/pm.c
@@ -46,7 +46,7 @@
 	if (!ctx->mcp)
 		return false;
 
-	if (!ctx->mcp->flags.sleep_mode.ReadyToSleep & READY_TO_SLEEP)
+	if (!(ctx->mcp->flags.sleep_mode.ready_to_sleep & READY_TO_SLEEP))
 		return false;
 
 	return true;
@@ -57,7 +57,7 @@
 	if (!ctx->mcp)
 		return;
 
-	ctx->mcp->flags.sleep_mode.SleepReq = REQ_TO_SLEEP;
+	ctx->mcp->flags.sleep_mode.sleep_req = REQ_TO_SLEEP;
 	_nsiq();
 }
 DECLARE_WORK(suspend_work, mc_suspend_handler);
@@ -66,9 +66,9 @@
 {
 	MCDRV_DBG(mcd, "MobiCore IDLE=%d!", flags->schedule);
 	MCDRV_DBG(mcd,
-		  "MobiCore Request Sleep=%d!", flags->sleep_mode.SleepReq);
+		  "MobiCore Request Sleep=%d!", flags->sleep_mode.sleep_req);
 	MCDRV_DBG(mcd,
-		  "MobiCore Sleep Ready=%d!", flags->sleep_mode.ReadyToSleep);
+		  "MobiCore Sleep Ready=%d!", flags->sleep_mode.ready_to_sleep);
 }
 
 static int mc_suspend_notifier(struct notifier_block *nb,
@@ -96,12 +96,12 @@
 		 */
 		dump_sleep_params(&mcp->flags);
 		if (!sleep_ready()) {
-			ctx->mcp->flags.sleep_mode.SleepReq = REQ_TO_SLEEP;
+			ctx->mcp->flags.sleep_mode.sleep_req = REQ_TO_SLEEP;
 			schedule_work_on(0, &suspend_work);
 			flush_work(&suspend_work);
 			if (!sleep_ready()) {
 				dump_sleep_params(&mcp->flags);
-				ctx->mcp->flags.sleep_mode.SleepReq = 0;
+				ctx->mcp->flags.sleep_mode.sleep_req = 0;
 				MCDRV_DBG_ERROR(mcd, "MobiCore can't SLEEP!");
 				return NOTIFY_BAD;
 			}
@@ -109,7 +109,7 @@
 		break;
 	case PM_POST_SUSPEND:
 		MCDRV_DBG(mcd, "Resume MobiCore system!");
-		ctx->mcp->flags.sleep_mode.SleepReq = 0;
+		ctx->mcp->flags.sleep_mode.sleep_req = 0;
 		break;
 	default:
 		break;
@@ -121,57 +121,6 @@
 	.notifier_call = mc_suspend_notifier,
 };
 
-#ifdef MC_BL_NOTIFIER
-
-static int bL_switcher_notifier_handler(struct notifier_block *this,
-			unsigned long event, void *ptr)
-{
-	unsigned int mpidr, cpu, cluster;
-	struct mc_mcp_buffer *mcp = ctx->mcp;
-
-	if (!mcp)
-		return 0;
-
-	asm volatile ("mrc\tp15, 0, %0, c0, c0, 5" : "=r" (mpidr));
-	cpu = mpidr & 0x3;
-	cluster = (mpidr >> 8) & 0xf;
-	MCDRV_DBG(mcd, "%s switching!!, cpu: %u, Out=%u\n",
-		  (event == SWITCH_ENTER ? "Before" : "After"), cpu, cluster);
-
-	if (cpu != 0)
-		return 0;
-
-	switch (event) {
-	case SWITCH_ENTER:
-		if (!sleep_ready()) {
-			ctx->mcp->flags.sleep_mode.SleepReq = REQ_TO_SLEEP;
-			_nsiq();
-			/* By this time we should be ready for sleep or we are
-			 * in the middle of something important */
-			if (!sleep_ready()) {
-				dump_sleep_params(&mcp->flags);
-				MCDRV_DBG(mcd,
-					  "MobiCore: Don't allow switch!\n");
-				ctx->mcp->flags.sleep_mode.SleepReq = 0;
-				return -EPERM;
-			}
-		}
-		break;
-	case SWITCH_EXIT:
-			ctx->mcp->flags.sleep_mode.SleepReq = 0;
-			break;
-	default:
-		MCDRV_DBG(mcd, "MobiCore: Unknown switch event!\n");
-	}
-
-	return 0;
-}
-
-static struct notifier_block switcher_nb = {
-	.notifier_call = bL_switcher_notifier_handler,
-};
-#endif
-
 int mc_pm_initialize(struct mc_context *context)
 {
 	int ret = 0;
@@ -180,12 +129,7 @@
 
 	ret = register_pm_notifier(&mc_notif_block);
 	if (ret)
-		MCDRV_DBG_ERROR(mcd, "device pm register failed\n");
-#ifdef MC_BL_NOTIFIER
-	if (register_bL_swicher_notifier(&switcher_nb))
-		MCDRV_DBG_ERROR(mcd,
-				"Failed to register to bL_switcher_notifier\n");
-#endif
+		MCDRV_DBG_ERROR(mcd, "device pm register failed");
 
 	return ret;
 }
@@ -194,15 +138,16 @@
 {
 	int ret = unregister_pm_notifier(&mc_notif_block);
 	if (ret)
-		MCDRV_DBG_ERROR(mcd, "device pm unregister failed\n");
-#ifdef MC_BL_NOTIFIER
-	ret = unregister_bL_swicher_notifier(&switcher_nb);
-	if (ret)
-		MCDRV_DBG_ERROR(mcd, "device bl unregister failed\n");
-#endif
+		MCDRV_DBG_ERROR(mcd, "device pm unregister failed");
 	return ret;
 }
 
+bool mc_pm_sleep_ready(void)
+{
+	if (ctx == 0)
+		return true;
+	return sleep_ready();
+}
 #endif /* MC_PM_RUNTIME */
 
 #ifdef MC_CRYPTO_CLOCK_MANAGEMENT
@@ -215,7 +160,7 @@
 	mc_ce_core_clk = clk_get(mcd, "core_clk");
 	if (IS_ERR(mc_ce_core_clk)) {
 		ret = PTR_ERR(mc_ce_core_clk);
-		MCDRV_DBG_ERROR(mcd, "cannot get core clock\n");
+		MCDRV_DBG_ERROR(mcd, "cannot get core clock");
 		goto error;
 	}
 	/* Get Interface clk */
@@ -223,7 +168,7 @@
 	if (IS_ERR(mc_ce_iface_clk)) {
 		clk_put(mc_ce_core_clk);
 		ret = PTR_ERR(mc_ce_iface_clk);
-		MCDRV_DBG_ERROR(mcd, "cannot get iface clock\n");
+		MCDRV_DBG_ERROR(mcd, "cannot get iface clock");
 		goto error;
 	}
 	/* Get AXI clk */
@@ -232,7 +177,7 @@
 		clk_put(mc_ce_iface_clk);
 		clk_put(mc_ce_core_clk);
 		ret = PTR_ERR(mc_ce_bus_clk);
-		MCDRV_DBG_ERROR(mcd, "cannot get AXI bus clock\n");
+		MCDRV_DBG_ERROR(mcd, "cannot get AXI bus clock");
 		goto error;
 	}
 	return ret;
@@ -263,17 +208,17 @@
 
 	rc = clk_prepare_enable(mc_ce_core_clk);
 	if (rc) {
-		MCDRV_DBG_ERROR(mcd, "cannot enable clock\n");
+		MCDRV_DBG_ERROR(mcd, "cannot enable clock");
 	} else {
 		rc = clk_prepare_enable(mc_ce_iface_clk);
 		if (rc) {
 			clk_disable_unprepare(mc_ce_core_clk);
-			MCDRV_DBG_ERROR(mcd, "cannot enable clock\n");
+			MCDRV_DBG_ERROR(mcd, "cannot enable clock");
 		} else {
 			rc = clk_prepare_enable(mc_ce_bus_clk);
 			if (rc) {
 				clk_disable_unprepare(mc_ce_iface_clk);
-				MCDRV_DBG_ERROR(mcd, "cannot enable clock\n");
+				MCDRV_DBG_ERROR(mcd, "cannot enable clock");
 			}
 		}
 	}
diff --git a/drivers/gud/mobicore_driver/pm.h b/drivers/gud/MobiCoreDriver/pm.h
similarity index 94%
rename from drivers/gud/mobicore_driver/pm.h
rename to drivers/gud/MobiCoreDriver/pm.h
index 332da34..b71c603 100644
--- a/drivers/gud/mobicore_driver/pm.h
+++ b/drivers/gud/MobiCoreDriver/pm.h
@@ -13,10 +13,6 @@
 #define _MC_PM_H_
 
 #include "main.h"
-#ifdef MC_BL_NOTIFIER
-#include <asm/bL_switcher.h>
-#endif
-
 
 #define NO_SLEEP_REQ	0
 #define REQ_TO_SLEEP	1
@@ -39,5 +35,7 @@
 int mc_pm_clock_enable(void);
 /* Disable secure crypto clocks */
 void mc_pm_clock_disable(void);
+/* Test if sleep is possible */
+bool mc_pm_sleep_ready(void);
 
 #endif /* _MC_PM_H_ */
diff --git a/drivers/gud/mobicore_driver/public/mc_kernel_api.h b/drivers/gud/MobiCoreDriver/public/mc_kernel_api.h
similarity index 89%
rename from drivers/gud/mobicore_driver/public/mc_kernel_api.h
rename to drivers/gud/MobiCoreDriver/public/mc_kernel_api.h
index cca0636..15fd4a2 100644
--- a/drivers/gud/mobicore_driver/public/mc_kernel_api.h
+++ b/drivers/gud/MobiCoreDriver/public/mc_kernel_api.h
@@ -35,13 +35,12 @@
  * @requested_size:	memory size requested in bytes
  * @handle:		pointer to handle
  * @kernel_virt_addr:	virtual user start address
- * @phys_addr:		physical start address
  *
  * Returns 0 if OK
  */
 int mobicore_allocate_wsm(struct mc_instance *instance,
 			  unsigned long requested_size, uint32_t *handle,
-			  void **virt_kernel_addr, void **phys_addr);
+			  void **virt_kernel_addr);
 
 /*
  * mobicore_free() - Free a WSM buffer allocated with mobicore_allocate_wsm
@@ -58,12 +57,11 @@
  * @addr:		address of the buffer (NB it must be kernel virtual!)
  * @len:		buffer length (in bytes)
  * @handle:		unique handle
- * @phys:		pointer for physical address of L2 table
  *
  * Returns 0 if no error
  */
 int mobicore_map_vmem(struct mc_instance *instance, void *addr,
-		      uint32_t len, uint32_t *handle, uint32_t *phys);
+		      uint32_t len, uint32_t *handle);
 
 /*
  * mobicore_unmap_vmem() - Unmap a virtual memory buffer from MobiCore
@@ -74,4 +72,12 @@
  */
 int mobicore_unmap_vmem(struct mc_instance *instance, uint32_t handle);
 
+/*
+ * mobicore_sleep_ready() - Test if mobicore can sleep
+ *
+ * Returns true if mobicore can sleep, false if it can't sleep
+ */
+bool mobicore_sleep_ready(void);
+
+
 #endif /* _MC_KERNEL_API_H_ */
diff --git a/drivers/gud/mobicore_driver/public/mc_linux.h b/drivers/gud/MobiCoreDriver/public/mc_linux.h
similarity index 81%
rename from drivers/gud/mobicore_driver/public/mc_linux.h
rename to drivers/gud/MobiCoreDriver/public/mc_linux.h
index af027dc..98e7af1 100644
--- a/drivers/gud/mobicore_driver/public/mc_linux.h
+++ b/drivers/gud/MobiCoreDriver/public/mc_linux.h
@@ -1,7 +1,7 @@
 /*
  * The MobiCore Driver Kernel Module is a Linux device driver, which represents
  * the command proxy on the lowest layer to the secure world (Swd). Additional
- * services like memory allocation via mmap and generation of a L2 tables for
+ * services like memory allocation via mmap and generation of a MMU tables for
  * given virtual memory are also supported. IRQ functionality receives
  * information from the SWd in the non secure world (NWd).
  * As customary the driver is handled as linux device driver with "open",
@@ -55,8 +55,6 @@
  * INIT request data to SWD
  */
 struct mc_ioctl_init {
-	/* notification buffer start/length [16:16] [start, length] */
-	uint32_t  nq_offset;
 	/* length of notification queue */
 	uint32_t  nq_length;
 	/* mcp buffer start/length [16:16] [start, length] */
@@ -76,8 +74,7 @@
 };
 
 /*
- * Data exchange structure of the MC_IO_MAP_WSM, MC_IO_MAP_MCI, and
- *				  MC_IO_MAP_PWSM commands.
+ * Data exchange structure of the MC_IO_MAP_WSM and MC_IO_MAP_MCI commands.
  *
  * Allocate a contiguous memory buffer for a process.
  * The physical address can be used as for later calls to mmap.
@@ -86,19 +83,19 @@
  * already. I.e. Daemon was restarted.
  */
 struct mc_ioctl_map {
-	size_t	      len;	/* Buffer length */
-	uint32_t      handle;	/* WSM handle */
-	unsigned long addr;	/* Virtual address */
-	unsigned long phys_addr;/* physical address of WSM (or NULL) */
-	bool	      reused;	/* if WSM memory was reused, or new allocated */
+	size_t		len;	/* Buffer length */
+	uint32_t	handle;	/* WSM handle */
+	uint64_t	phys_addr; /* physical address of WSM (or 0) */
+	unsigned long	addr;	/* Virtual address */
+	bool		reused;	/* if WSM memory was reused, or new allocated */
 };
 
 /*
  * Data exchange structure of the MC_IO_REG_WSM command.
  *
- * Allocates a physical L2 table and maps the buffer into this page.
- * Returns the physical address of the L2 table.
- * The page alignment will be created and the appropriated pSize and pOffsetL2
+ * Allocates a physical MMU table and maps the buffer into this page.
+ * Returns the physical address of the MMU table.
+ * The page alignment will be created and the appropriated pSize and pOffsetMMU
  * will be modified to the used values.
  */
 struct mc_ioctl_reg_wsm {
@@ -106,19 +103,7 @@
 	uint32_t len;		/* size of the virtual address space */
 	uint32_t pid;		/* process id */
 	uint32_t handle;	/* driver handle for locked memory */
-	uint32_t table_phys;	/* physical address of the L2 table */
-};
-
-
-/*
- * Data exchange structure of the MC_DRV_MODULE_FC_EXECUTE ioctl command.
- * internal, unsupported
- */
-struct mc_ioctl_execute {
-	/* base address of mobicore binary */
-	uint32_t phys_start_addr;
-	/* length of DDR area */
-	uint32_t length;
+	uint64_t table_phys;	/* physical address of the MMU table */
 };
 
 /*
@@ -127,10 +112,10 @@
 struct mc_ioctl_resolv_cont_wsm {
 	/* driver handle for buffer */
 	uint32_t handle;
-	/* base address of memory */
-	uint32_t phys;
 	/* length memory */
 	uint32_t length;
+	/* base address of memory */
+	uint64_t phys;
 	/* fd to owner of the buffer */
 	int32_t fd;
 };
@@ -144,7 +129,7 @@
 	/* fd to owner of the buffer */
 	int32_t fd;
 	/* base address of memory */
-	uint32_t phys;
+	uint64_t phys;
 };
 
 
@@ -180,28 +165,24 @@
  */
 #define MC_IO_FREE		_IO(MC_IOC_MAGIC, 5)
 /*
- * Creates a L2 Table of the given base address and the size of the
+ * Creates a MMU Table of the given base address and the size of the
  * data.
- * Parameter: mc_ioctl_app_reg_wsm_l2_params
+ * Parameter: mc_ioctl_reg_wsm
  */
 #define MC_IO_REG_WSM		_IOWR(MC_IOC_MAGIC, 6, struct mc_ioctl_reg_wsm)
 #define MC_IO_UNREG_WSM		_IO(MC_IOC_MAGIC, 7)
 #define MC_IO_LOCK_WSM		_IO(MC_IOC_MAGIC, 8)
 #define MC_IO_UNLOCK_WSM	_IO(MC_IOC_MAGIC, 9)
-#define MC_IO_EXECUTE		_IOWR(MC_IOC_MAGIC, 10, struct mc_ioctl_execute)
 
 /*
  * Allocate contiguous memory for a process for later mapping with mmap.
- * MC_DRV_KMOD_MMAP_WSM	usual operation, pages are registered in
+ * MC_IO_MAP_WSM	usual operation, pages are registered in
  *					device structure and freed later.
- * MC_DRV_KMOD_MMAP_MCI	get Instance of MCI, allocates or mmaps
+ * MC_IO_MAP_MCI	get Instance of MCI, allocates or mmaps
  *					the MCI to daemon
- * MC_DRV_KMOD_MMAP_PERSISTENTWSM	special operation, without
- *						registration of pages
  */
 #define MC_IO_MAP_WSM		_IOWR(MC_IOC_MAGIC, 11, struct mc_ioctl_map)
 #define MC_IO_MAP_MCI		_IOWR(MC_IOC_MAGIC, 12, struct mc_ioctl_map)
-#define MC_IO_MAP_PWSM		_IOWR(MC_IOC_MAGIC, 13, struct mc_ioctl_map)
 
 /*
  * Clean orphaned WSM buffers. Only available to the daemon and should
@@ -215,7 +196,7 @@
 #define MC_IO_CLEAN_WSM		_IO(MC_IOC_MAGIC, 14)
 
 /*
- * Get L2 phys address of a buffer handle allocated to the user.
+ * Get MMU phys address of a buffer handle allocated to the user.
  * Only available to the daemon.
  */
 #define MC_IO_RESOLVE_WSM	_IOWR(MC_IOC_MAGIC, 15, \
diff --git a/drivers/gud/mobicore_driver/public/version.h b/drivers/gud/MobiCoreDriver/public/version.h
similarity index 100%
rename from drivers/gud/mobicore_driver/public/version.h
rename to drivers/gud/MobiCoreDriver/public/version.h
diff --git a/drivers/gud/MobiCoreKernelApi/Makefile b/drivers/gud/MobiCoreKernelApi/Makefile
new file mode 100644
index 0000000..9b37eea
--- /dev/null
+++ b/drivers/gud/MobiCoreKernelApi/Makefile
@@ -0,0 +1,52 @@
+#
+# this makefile is called from the kernel make syste
+ifeq ($(MODE),release)
+    ccflags-y += -O2 -DNDEBUG
+else  # DEBUG
+    # "-O" is needed to expand inlines
+    ccflags-y += -O -g3 -DDEBUG
+endif # DEBUG/RELEASE
+
+ifdef MOBICORE_CFLAGS
+    ccflags-y +=$(MOBICORE_CFLAGS)
+endif
+
+#Set the extra symbols
+ifdef MCDRV_SYMBOLS_FILE
+    KBUILD_EXTRA_SYMBOLS=$(MCDRV_SYMBOLS_FILE)
+endif
+
+ifeq ($(PLATFORM), ARM_VE_A9X4_QEMU)
+	ccflags-y += -DMC_NETLINK_COMPAT_V37
+endif
+
+ifeq ($(PLATFORM), MSM8974_SURF_STD)
+	ccflags-y += -DMC_NETLINK_COMPAT_V37
+endif
+
+ifeq ($(PLATFORM), EXYNOS_5422_STD)
+	ccflags-y += -DMC_NETLINK_COMPAT_V37
+endif
+
+ifeq ($(PLATFORM), EXYNOS_5430_STD)
+	ccflags-y += -DMC_NETLINK_COMPAT_V37
+endif
+
+#EXTRA_CFLAGS += -DDEBUG -DDEBUG_VERBOSE
+#EXTRA_CFLAGS += -Wno-declaration-after-statement
+ccflags-y += -Wno-declaration-after-statement
+# add our module to kernel.
+obj-m += mcKernelApi.o
+
+mcKernelApi-objs := main.o clientlib.o device.o session.o connection.o
+
+clean:
+	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions \
+		Module.markers Module.symvers modules.order
+
+depend .depend dep:
+	$(CC) $(CFLAGS) -M *.c > .depend
+
+ifeq (.depend,$(wildcard .depend))
+    include .depend
+endif
diff --git a/drivers/gud/MobiCoreKernelApi/build.sh b/drivers/gud/MobiCoreKernelApi/build.sh
new file mode 100644
index 0000000..86fe1b8
--- /dev/null
+++ b/drivers/gud/MobiCoreKernelApi/build.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+if [ -z $COMP_PATH_ROOT ]; then
+	echo "The build environment is not set!"
+	echo "Trying to source setupDrivers.sh automatically!"
+	source ../setupDrivers.sh || exit 1
+fi
+
+ROOT_PATH=$(dirname $(readlink -f $BASH_SOURCE))
+# These folders need to be relative to the kernel dir or absolute!
+PLATFORM=EXYNOS_4X12_STD
+CODE_INCLUDE=$(readlink -f $ROOT_PATH/Locals/Code)
+
+MOBICORE_DRIVER=$COMP_PATH_MobiCoreDriverMod
+MOBICORE_DAEMON=$COMP_PATH_MobiCoreDriverLib/Public
+MOBICORE_CFLAGS="-I$MOBICORE_DRIVER/Public -I$MOBICORE_DAEMON -I$COMP_PATH_MobiCore/inc/Mci -I$COMP_PATH_MobiCore/inc -I$CODE_INCLUDE/include -I$CODE_INCLUDE/public"
+MCDRV_SYMBOLS_FILE="$COMP_PATH_ROOT/MobiCoreDriverMod/Locals/Code/Module.symvers"
+
+if [ ! -f $MCDRV_SYMBOLS_FILE ]; then
+	echo "Please build the Mobicore Driver Module first!"
+	echo "Otherwise you will see warnings of missing symbols"
+fi
+
+# Clean first
+make -C $CODE_INCLUDE clean
+
+make -C $LINUX_PATH \
+	MODE=$MODE \
+	ARCH=arm \
+	CROSS_COMPILE=$CROSS_COMPILE \
+	M=$CODE_INCLUDE \
+	"MOBICORE_CFLAGS=$MOBICORE_CFLAGS" \
+	MCDRV_SYMBOLS_FILE=$MCDRV_SYMBOLS_FILE \
+	modules
diff --git a/drivers/gud/mobicore_kernelapi/clientlib.c b/drivers/gud/MobiCoreKernelApi/clientlib.c
similarity index 95%
rename from drivers/gud/mobicore_kernelapi/clientlib.c
rename to drivers/gud/MobiCoreKernelApi/clientlib.c
index 16b52e5..65b4a1c 100644
--- a/drivers/gud/mobicore_kernelapi/clientlib.c
+++ b/drivers/gud/MobiCoreKernelApi/clientlib.c
@@ -25,6 +25,7 @@
 
 /* device list */
 LIST_HEAD(devices);
+atomic_t device_usage = ATOMIC_INIT(0);
 
 static struct mcore_device_t *resolve_device_id(uint32_t device_id)
 {
@@ -71,14 +72,20 @@
 	do {
 		struct mcore_device_t *device = resolve_device_id(device_id);
 		if (device != NULL) {
-			MCDRV_DBG_ERROR(mc_kapi,
-					"Device %d already opened", device_id);
-			mc_result = MC_DRV_ERR_INVALID_OPERATION;
+			MCDRV_DBG(mc_kapi,
+				  "Device %d already opened\n", device_id);
+			atomic_inc(&device_usage);
+			mc_result = MC_DRV_OK;
 			break;
 		}
 
 		/* Open new connection to device */
 		dev_con = connection_new();
+		if (dev_con == NULL) {
+			mc_result = MC_DRV_ERR_NO_FREE_MEMORY;
+			break;
+		}
+
 		if (!connection_connect(dev_con, MC_DAEMON_PID)) {
 			MCDRV_DBG_ERROR(
 				mc_kapi,
@@ -144,6 +151,10 @@
 		/* there is no payload to read */
 
 		device = mcore_device_create(device_id, dev_con);
+		if (device == NULL) {
+			mc_result = MC_DRV_ERR_NO_FREE_MEMORY;
+			break;
+		}
 		if (!mcore_device_open(device, MC_DRV_MOD_DEVNODE_FULLPATH)) {
 			mcore_device_cleanup(device);
 			MCDRV_DBG_ERROR(mc_kapi,
@@ -154,6 +165,7 @@
 		}
 
 		add_device(device);
+		atomic_inc(&device_usage);
 
 	} while (false);
 
@@ -177,6 +189,12 @@
 			mc_result = MC_DRV_ERR_UNKNOWN_DEVICE;
 			break;
 		}
+		/* Check if it's not used by other modules */
+		if (!atomic_dec_and_test(&device_usage)) {
+			mc_result = MC_DRV_OK;
+			break;
+		}
+
 		struct connection *dev_con = device->connection;
 
 		/* Return if not all sessions have been closed */
@@ -274,12 +292,12 @@
 		}
 		struct connection *dev_con = device->connection;
 
-		/* Get the physical address of the given TCI */
+		/* Get the wsm of the given TCI */
 		struct wsm *wsm =
 			mcore_device_find_contiguous_wsm(device, tci);
 		if (wsm == NULL) {
 			MCDRV_DBG_ERROR(mc_kapi,
-					"Could not resolve TCI phy address ");
+					"Could not resolve TCI address ");
 			mc_result = MC_DRV_ERR_INVALID_PARAMETER;
 			break;
 		}
@@ -292,14 +310,14 @@
 		}
 
 		/* Prepare open session command */
-		struct mc_drv_cmd_open_session_t cmdOpenSession = {
+		struct mc_drv_cmd_open_session_t cmd_open_session = {
 			{
 				MC_DRV_CMD_OPEN_SESSION
 			},
 			{
 				session->device_id,
 				*uuid,
-				(uint32_t)(wsm->phys_addr) & 0xFFF,
+				(uint32_t)(wsm->virt_addr) & 0xFFF,
 				wsm->handle,
 				len
 			}
@@ -307,9 +325,9 @@
 
 		/* Transmit command data */
 		int len = connection_write_data(dev_con,
-						&cmdOpenSession,
-						sizeof(cmdOpenSession));
-		if (len != sizeof(cmdOpenSession)) {
+						&cmd_open_session,
+						sizeof(cmd_open_session));
+		if (len != sizeof(cmd_open_session)) {
 			MCDRV_DBG_ERROR(mc_kapi,
 					"CMD_OPEN_SESSION writeData failed %d",
 					len);
@@ -370,6 +388,10 @@
 
 		/* Set up second channel for notifications */
 		struct connection *session_connection = connection_new();
+		if (session_connection == NULL) {
+			mc_result = MC_DRV_ERR_NO_FREE_MEMORY;
+			break;
+		}
 
 		if (!connection_connect(session_connection, MC_DAEMON_PID)) {
 			MCDRV_DBG_ERROR(
@@ -422,9 +444,13 @@
 		/* there is no payload. */
 
 		/* Session established, new session object must be created */
-		mcore_device_create_new_session(device,
-						session->session_id,
-						session_connection);
+		if (!mcore_device_create_new_session(device,
+						     session->session_id,
+						     session_connection)) {
+			connection_cleanup(session_connection);
+			mc_result = MC_DRV_ERR_NO_FREE_MEMORY;
+			break;
+		}
 
 	} while (false);
 
@@ -706,7 +732,6 @@
 	MCDRV_DBG_VERBOSE(mc_kapi, "===%s()===", __func__);
 
 	do {
-
 		/* Get the device associated wit the given session */
 		device = resolve_device_id(device_id);
 		if (device == NULL) {
@@ -805,7 +830,7 @@
 			{
 				session->session_id,
 				bulk_buf->handle,
-				(uint32_t)bulk_buf->phys_addr_wsm_l2,
+				0,
 				(uint32_t)(bulk_buf->virt_addr) & 0xFFF,
 				bulk_buf->len
 			}
@@ -819,8 +844,8 @@
 		/* Read command response */
 		struct mc_drv_response_header_t rsp_header;
 		int len = connection_read_datablock(dev_con,
-						    &rsp_header,
-						    sizeof(rsp_header));
+							&rsp_header,
+							sizeof(rsp_header));
 		if (len != sizeof(rsp_header)) {
 			MCDRV_DBG_ERROR(mc_kapi,
 					"CMD_MAP_BULK_BUF readRsp failed %d",
diff --git a/drivers/gud/mobicore_kernelapi/common.h b/drivers/gud/MobiCoreKernelApi/common.h
similarity index 100%
rename from drivers/gud/mobicore_kernelapi/common.h
rename to drivers/gud/MobiCoreKernelApi/common.h
diff --git a/drivers/gud/mobicore_kernelapi/connection.c b/drivers/gud/MobiCoreKernelApi/connection.c
similarity index 96%
rename from drivers/gud/mobicore_kernelapi/connection.c
rename to drivers/gud/MobiCoreKernelApi/connection.c
index 03288a0..0372b82 100644
--- a/drivers/gud/mobicore_kernelapi/connection.c
+++ b/drivers/gud/MobiCoreKernelApi/connection.c
@@ -28,6 +28,10 @@
 	struct connection *conn;
 
 	conn = kzalloc(sizeof(*conn), GFP_KERNEL);
+	if (conn == NULL) {
+		MCDRV_DBG_ERROR(mc_kapi, "Allocation failure");
+		return NULL;
+	}
 	conn->sequence_magic = mcapi_unique_id();
 	mutex_init(&conn->data_lock);
 	sema_init(&conn->data_available_sem, SEM_NO_DATA_AVAILABLE);
@@ -36,14 +40,6 @@
 	return conn;
 }
 
-struct connection *connection_create(int socket_descriptor, pid_t dest)
-{
-	struct connection *conn = connection_new();
-
-	conn->peer_pid = dest;
-	return conn;
-}
-
 void connection_cleanup(struct connection *conn)
 {
 	if (!conn)
diff --git a/drivers/gud/mobicore_kernelapi/connection.h b/drivers/gud/MobiCoreKernelApi/connection.h
similarity index 95%
rename from drivers/gud/mobicore_kernelapi/connection.h
rename to drivers/gud/MobiCoreKernelApi/connection.h
index 6c3ff00..57e783b 100644
--- a/drivers/gud/mobicore_kernelapi/connection.h
+++ b/drivers/gud/MobiCoreKernelApi/connection.h
@@ -44,7 +44,6 @@
 };
 
 struct connection *connection_new(void);
-struct connection *connection_create(int socket_descriptor, pid_t dest);
 void connection_cleanup(struct connection *conn);
 bool connection_connect(struct connection *conn, pid_t dest);
 size_t connection_read_datablock(struct connection *conn, void *buffer,
diff --git a/drivers/gud/mobicore_kernelapi/device.c b/drivers/gud/MobiCoreKernelApi/device.c
similarity index 85%
rename from drivers/gud/mobicore_kernelapi/device.c
rename to drivers/gud/MobiCoreKernelApi/device.c
index a176322..04db4c3 100644
--- a/drivers/gud/mobicore_kernelapi/device.c
+++ b/drivers/gud/MobiCoreKernelApi/device.c
@@ -18,16 +18,18 @@
 #include "device.h"
 #include "common.h"
 
-struct wsm *wsm_create(void *virt_addr, uint32_t len, uint32_t handle,
-		       void *phys_addr)
+static struct wsm *wsm_create(void *virt_addr, uint32_t len, uint32_t handle)
 {
 	struct wsm *wsm;
 
 	wsm = kzalloc(sizeof(*wsm), GFP_KERNEL);
+	if (wsm == NULL) {
+		MCDRV_DBG_ERROR(mc_kapi, "Allocation failure");
+		return NULL;
+	}
 	wsm->virt_addr = virt_addr;
 	wsm->len = len;
 	wsm->handle = handle;
-	wsm->phys_addr = phys_addr;
 	return wsm;
 }
 
@@ -37,11 +39,15 @@
 	struct mcore_device_t *dev;
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (dev == NULL) {
+		MCDRV_DBG_ERROR(mc_kapi, "Allocation failure");
+		return NULL;
+	}
 	dev->device_id = device_id;
 	dev->connection = connection;
 
 	INIT_LIST_HEAD(&dev->session_vector);
-	INIT_LIST_HEAD(&dev->wsm_l2_vector);
+	INIT_LIST_HEAD(&dev->wsm_mmu_vector);
 
 	return dev;
 }
@@ -63,7 +69,7 @@
 	}
 
 	/* Free all allocated WSM descriptors */
-	list_for_each_safe(pos, q, &dev->wsm_l2_vector) {
+	list_for_each_safe(pos, q, &dev->wsm_mmu_vector) {
 		wsm = list_entry(pos, struct wsm, list);
 		list_del(pos);
 		kfree(wsm);
@@ -74,7 +80,7 @@
 	kfree(dev);
 }
 
-bool mcore_device_open(struct mcore_device_t *dev, const char *deviceName)
+bool mcore_device_open(struct mcore_device_t *dev, const char *device_name)
 {
 	dev->instance = mobicore_open();
 	return (dev->instance != NULL);
@@ -102,6 +108,8 @@
 	}
 	struct session *session =
 			session_create(session_id, dev->instance, connection);
+	if (session == NULL)
+		return false;
 	list_add_tail(&(session->list), &(dev->session_vector));
 	return true;
 }
@@ -154,16 +162,19 @@
 		/* Allocate shared memory */
 		void *virt_addr;
 		uint32_t handle;
-		void *phys_addr;
 		int ret = mobicore_allocate_wsm(dev->instance, len, &handle,
-						&virt_addr, &phys_addr);
+						&virt_addr);
 		if (ret != 0)
 			break;
 
-		/* Register (vaddr,paddr) with device */
-		wsm = wsm_create(virt_addr, len, handle, phys_addr);
+		/* Register (vaddr) with device */
+		wsm = wsm_create(virt_addr, len, handle);
+		if (wsm == NULL) {
+			mobicore_free_wsm(dev->instance, handle);
+			break;
+		}
 
-		list_add_tail(&(wsm->list), &(dev->wsm_l2_vector));
+		list_add_tail(&(wsm->list), &(dev->wsm_mmu_vector));
 
 	} while (0);
 
@@ -177,7 +188,7 @@
 	struct wsm *tmp;
 	struct list_head *pos;
 
-	list_for_each(pos, &dev->wsm_l2_vector) {
+	list_for_each(pos, &dev->wsm_mmu_vector) {
 		tmp = list_entry(pos, struct wsm, list);
 		if (tmp == wsm) {
 			ret = true;
@@ -205,7 +216,7 @@
 	struct wsm *wsm;
 	struct list_head *pos;
 
-	list_for_each(pos, &dev->wsm_l2_vector) {
+	list_for_each(pos, &dev->wsm_mmu_vector) {
 		wsm = list_entry(pos, struct wsm, list);
 		if (virt_addr == wsm->virt_addr)
 			return wsm;
diff --git a/drivers/gud/mobicore_kernelapi/device.h b/drivers/gud/MobiCoreKernelApi/device.h
similarity index 95%
rename from drivers/gud/mobicore_kernelapi/device.h
rename to drivers/gud/MobiCoreKernelApi/device.h
index 16626bd..c795ee8 100644
--- a/drivers/gud/mobicore_kernelapi/device.h
+++ b/drivers/gud/MobiCoreKernelApi/device.h
@@ -21,7 +21,7 @@
 struct mcore_device_t {
 	/* MobiCore Trustlet session associated with the device */
 	struct list_head	session_vector;
-	struct list_head	 wsm_l2_vector; /* WSM L2 Table  */
+	struct list_head	wsm_mmu_vector; /* WSM L2 or L3 Table  */
 
 	uint32_t		device_id;	/* Device identifier */
 	struct connection	*connection;	/* The device connection */
@@ -36,7 +36,7 @@
 void mcore_device_cleanup(struct mcore_device_t *dev);
 
 
-bool mcore_device_open(struct mcore_device_t *dev, const char *deviceName);
+bool mcore_device_open(struct mcore_device_t *dev, const char *device_name);
 void mcore_device_close(struct mcore_device_t *dev);
 bool mcore_device_has_sessions(struct mcore_device_t *dev);
 bool mcore_device_create_new_session(
diff --git a/drivers/gud/mobicore_kernelapi/include/mcinq.h b/drivers/gud/MobiCoreKernelApi/include/mcinq.h
similarity index 100%
rename from drivers/gud/mobicore_kernelapi/include/mcinq.h
rename to drivers/gud/MobiCoreKernelApi/include/mcinq.h
diff --git a/drivers/gud/mobicore_kernelapi/include/mcuuid.h b/drivers/gud/MobiCoreKernelApi/include/mcuuid.h
similarity index 100%
rename from drivers/gud/mobicore_kernelapi/include/mcuuid.h
rename to drivers/gud/MobiCoreKernelApi/include/mcuuid.h
diff --git a/drivers/gud/mobicore_kernelapi/main.c b/drivers/gud/MobiCoreKernelApi/main.c
similarity index 97%
rename from drivers/gud/mobicore_kernelapi/main.c
rename to drivers/gud/MobiCoreKernelApi/main.c
index 8943c26..5da3ef7 100644
--- a/drivers/gud/mobicore_kernelapi/main.c
+++ b/drivers/gud/MobiCoreKernelApi/main.c
@@ -150,6 +150,10 @@
 	dev_info(mc_kapi, "Mobicore API module initialized!\n");
 
 	mod_ctx = kzalloc(sizeof(struct mc_kernelapi_ctx), GFP_KERNEL);
+	if (mod_ctx == NULL) {
+		MCDRV_DBG_ERROR(mc_kapi, "Allocation failure");
+		return -ENOMEM;
+	}
 #ifdef MC_NETLINK_COMPAT_V37
 	mod_ctx->sk = netlink_kernel_create(&init_net, MC_DAEMON_NETLINK,
 					    &cfg);
diff --git a/drivers/gud/mobicore_kernelapi/public/mobicore_driver_api.h b/drivers/gud/MobiCoreKernelApi/public/mobicore_driver_api.h
similarity index 100%
rename from drivers/gud/mobicore_kernelapi/public/mobicore_driver_api.h
rename to drivers/gud/MobiCoreKernelApi/public/mobicore_driver_api.h
diff --git a/drivers/gud/mobicore_kernelapi/public/mobicore_driver_cmd.h b/drivers/gud/MobiCoreKernelApi/public/mobicore_driver_cmd.h
similarity index 99%
rename from drivers/gud/mobicore_kernelapi/public/mobicore_driver_cmd.h
rename to drivers/gud/MobiCoreKernelApi/public/mobicore_driver_cmd.h
index eaf7e6c..993d581 100644
--- a/drivers/gud/mobicore_kernelapi/public/mobicore_driver_cmd.h
+++ b/drivers/gud/MobiCoreKernelApi/public/mobicore_driver_cmd.h
@@ -171,7 +171,7 @@
 struct mc_drv_cmd_map_bulk_mem_payload_t {
 	uint32_t session_id;
 	uint32_t handle;
-	uint32_t phys_addr_l2;
+	uint32_t rfu;
 	uint32_t offset_payload;
 	uint32_t len_bulk_mem;
 };
diff --git a/drivers/gud/mobicore_kernelapi/session.c b/drivers/gud/MobiCoreKernelApi/session.c
similarity index 86%
rename from drivers/gud/mobicore_kernelapi/session.c
rename to drivers/gud/MobiCoreKernelApi/session.c
index dae2c00..2ea50e8 100644
--- a/drivers/gud/mobicore_kernelapi/session.c
+++ b/drivers/gud/MobiCoreKernelApi/session.c
@@ -14,15 +14,18 @@
 #include "session.h"
 
 struct bulk_buffer_descriptor *bulk_buffer_descriptor_create(
-	void *virt_addr, uint32_t len, uint32_t handle, void *phys_addr_wsm_l2)
+	void *virt_addr, uint32_t len, uint32_t handle)
 {
 	struct bulk_buffer_descriptor *desc;
 
 	desc = kzalloc(sizeof(*desc), GFP_KERNEL);
+	if (desc == NULL) {
+		MCDRV_DBG_ERROR(mc_kapi, "Allocation failure");
+		return NULL;
+	}
 	desc->virt_addr = virt_addr;
 	desc->len = len;
 	desc->handle = handle;
-	desc->phys_addr_wsm_l2 = phys_addr_wsm_l2;
 
 	return desc;
 }
@@ -33,6 +36,10 @@
 	struct session *session;
 
 	session = kzalloc(sizeof(*session), GFP_KERNEL);
+	if (session == NULL) {
+		MCDRV_DBG_ERROR(mc_kapi, "Allocation failure");
+		return NULL;
+	}
 	session->session_id = session_id;
 	session->instance = instance;
 	session->notification_connection = connection;
@@ -47,19 +54,14 @@
 {
 	struct bulk_buffer_descriptor *bulk_buf_descr;
 	struct list_head *pos, *q;
-	unsigned int phys_addr_wsm_l2;
 
 	/* Unmap still mapped buffers */
 	list_for_each_safe(pos, q, &session->bulk_buffer_descriptors) {
 		bulk_buf_descr =
 			list_entry(pos, struct bulk_buffer_descriptor, list);
 
-		phys_addr_wsm_l2 =
-			(unsigned int)bulk_buf_descr->phys_addr_wsm_l2;
-
 		MCDRV_DBG_VERBOSE(mc_kapi,
-				  "Phys Addr of L2 Table = 0x%X, handle= %d",
-				  phys_addr_wsm_l2,
+				  "handle= %d",
 				  bulk_buf_descr->handle);
 
 		/* ignore any error, as we cannot do anything in this case. */
@@ -110,11 +112,10 @@
 		 * Prepare the interface structure for memory registration in
 		 * Kernel Module
 		 */
-		uint32_t l2_table_phys;
 		uint32_t handle;
 
 		int ret = mobicore_map_vmem(session->instance, buf, len,
-					    &handle, &l2_table_phys);
+					    &handle);
 
 		if (ret != 0) {
 			MCDRV_DBG_ERROR(mc_kapi,
@@ -123,15 +124,15 @@
 			break;
 		}
 
-		MCDRV_DBG_VERBOSE(mc_kapi,
-				  "Phys Addr of L2 Table = 0x%X, handle=%d",
-				  (unsigned int)l2_table_phys, handle);
+		MCDRV_DBG_VERBOSE(mc_kapi, "handle=%d", handle);
 
 		/* Create new descriptor */
 		bulk_buf_descr =
-			bulk_buffer_descriptor_create(buf, len,
-						      handle,
-						      (void *)l2_table_phys);
+			bulk_buffer_descriptor_create(buf, len, handle);
+		if (bulk_buf_descr == NULL) {
+			mobicore_unmap_vmem(session->instance, handle);
+			break;
+		}
 
 		/* Add to vector of descriptors */
 		list_add_tail(&(bulk_buf_descr->list),
@@ -165,8 +166,7 @@
 		MCDRV_DBG_ERROR(mc_kapi, "Virtual Address not found");
 		ret = false;
 	} else {
-		MCDRV_DBG_VERBOSE(mc_kapi, "WsmL2 phys=0x%X, handle=%d",
-				  (unsigned int)bulk_buf->phys_addr_wsm_l2,
+		MCDRV_DBG_VERBOSE(mc_kapi, "Wsm handle=%d",
 				  bulk_buf->handle);
 
 		/* ignore any error, as we cannot do anything */
diff --git a/drivers/gud/mobicore_kernelapi/session.h b/drivers/gud/MobiCoreKernelApi/session.h
similarity index 96%
rename from drivers/gud/mobicore_kernelapi/session.h
rename to drivers/gud/MobiCoreKernelApi/session.h
index 4a834e5..edcadcd 100644
--- a/drivers/gud/mobicore_kernelapi/session.h
+++ b/drivers/gud/MobiCoreKernelApi/session.h
@@ -19,9 +19,6 @@
 	uint32_t	len;		/* Length of the Bulk buffer */
 	uint32_t	handle;
 
-	/* The physical address of the L2 table of the Bulk buffer*/
-	void		*phys_addr_wsm_l2;
-
 	/* The list param for using the kernel lists*/
 	struct list_head list;
 };
@@ -29,8 +26,7 @@
 struct bulk_buffer_descriptor *bulk_buffer_descriptor_create(
 	void		*virt_addr,
 	uint32_t	len,
-	uint32_t	handle,
-	void		*phys_addr_wsm_l2
+	uint32_t	handle
 );
 
 /*
diff --git a/drivers/gud/mobicore_kernelapi/wsm.h b/drivers/gud/MobiCoreKernelApi/wsm.h
similarity index 74%
rename from drivers/gud/mobicore_kernelapi/wsm.h
rename to drivers/gud/MobiCoreKernelApi/wsm.h
index f8a107c..3a1767d 100644
--- a/drivers/gud/mobicore_kernelapi/wsm.h
+++ b/drivers/gud/MobiCoreKernelApi/wsm.h
@@ -17,17 +17,7 @@
 	void			*virt_addr;
 	uint32_t		len;
 	uint32_t		handle;
-	void			*phys_addr;
 	struct list_head	list;
 };
 
-struct wsm *wsm_create(
-	void			*virt_addr,
-	uint32_t		len,
-	uint32_t		handle,
-
-	/* NULL this may be unknown, so is can be omitted */
-	void			*phys_addr
-);
-
 #endif /* _MC_KAPI_WSM_H_ */
diff --git a/drivers/gud/mobicore_driver/build_tag.h b/drivers/gud/build_tag.h
similarity index 96%
rename from drivers/gud/mobicore_driver/build_tag.h
rename to drivers/gud/build_tag.h
index 4a24275..18faf5a 100644
--- a/drivers/gud/mobicore_driver/build_tag.h
+++ b/drivers/gud/build_tag.h
@@ -26,4 +26,4 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #define MOBICORE_COMPONENT_BUILD_TAG \
-		"*** t-base-202_V001 ###"
+		"*** t-base-300-QC-8974-Android-V001 ###"
diff --git a/drivers/gud/mobicore_driver/mem.c b/drivers/gud/mobicore_driver/mem.c
deleted file mode 100644
index 33c51b6..0000000
--- a/drivers/gud/mobicore_driver/mem.c
+++ /dev/null
@@ -1,708 +0,0 @@
-/*
- * MobiCore Driver Kernel Module.
- *
- * This module is written as a Linux device driver.
- * This driver represents the command proxy on the lowest layer, from the
- * secure world to the non secure world, and vice versa.
- * This driver is located in the non secure world (Linux).
- * This driver offers IOCTL commands, for access to the secure world, and has
- * the interface from the secure world to the normal world.
- * The access to the driver is possible with a file descriptor,
- * which has to be created by the fd = open(/dev/mobicore) command.
- *
- * <-- Copyright Giesecke & Devrient GmbH 2009-2012 -->
- * <-- Copyright Trustonic Limited 2013 -->
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include "main.h"
-#include "debug.h"
-#include "mem.h"
-
-#include <linux/highmem.h>
-#include <linux/slab.h>
-#include <linux/kthread.h>
-#include <linux/pagemap.h>
-#include <linux/device.h>
-
-
-/* MobiCore memory context data */
-struct mc_mem_context mem_ctx;
-
-/* convert L2 PTE to page pointer */
-static inline struct page *l2_pte_to_page(pte_t pte)
-{
-	unsigned long phys_page_addr = ((unsigned long)pte & PAGE_MASK);
-	unsigned int pfn = phys_page_addr >> PAGE_SHIFT;
-	struct page *page = pfn_to_page(pfn);
-	return page;
-}
-
-/* convert page pointer to L2 PTE */
-static inline pte_t page_to_l2_pte(struct page *page)
-{
-	unsigned long pfn = page_to_pfn(page);
-	unsigned long phys_addr = (pfn << PAGE_SHIFT);
-	pte_t pte = (pte_t)(phys_addr & PAGE_MASK);
-	return pte;
-}
-
-static inline void release_page(struct page *page)
-{
-	SetPageDirty(page);
-
-	page_cache_release(page);
-}
-
-static int lock_pages(struct task_struct *task, void *virt_start_page_addr,
-	int pages_no, struct page **pages)
-{
-	int locked_pages;
-
-	/* lock user pages, must hold the mmap_sem to do this. */
-	down_read(&(task->mm->mmap_sem));
-	locked_pages = get_user_pages(
-				task,
-				task->mm,
-				(unsigned long)virt_start_page_addr,
-				pages_no,
-				1, /* write access */
-				0,
-				pages,
-				NULL);
-	up_read(&(task->mm->mmap_sem));
-
-	/* check if we could lock all pages. */
-	if (locked_pages != pages_no) {
-		MCDRV_DBG_ERROR(mcd, "get_user_pages() failed, locked_pages=%d",
-				locked_pages);
-		if (locked_pages > 0) {
-			/* release all locked pages. */
-			release_pages(pages, locked_pages, 0);
-		}
-		return -ENOMEM;
-	}
-
-	return 0;
-}
-
-/* Get kernel pointer to shared L2 table given a per-process reference */
-struct l2table *get_l2_table_kernel_virt(struct mc_l2_table *table)
-{
-	if (WARN(!table, "Invalid L2 table"))
-		return NULL;
-
-	if (WARN(!table->set, "Invalid L2 table set"))
-		return NULL;
-
-	if (WARN(!table->set->kernel_virt, "Invalid L2 pointer"))
-		return NULL;
-
-	return &(table->set->kernel_virt->table[table->idx]);
-}
-
-/* Get physical address of a shared L2 table given a per-process reference */
-struct l2table *get_l2_table_phys(struct mc_l2_table *table)
-{
-	if (WARN(!table, "Invalid L2 table"))
-		return NULL;
-	if (WARN(!table->set, "Invalid L2 table set"))
-		return NULL;
-	if (WARN(!table->set->kernel_virt, "Invalid L2 phys pointer"))
-		return NULL;
-
-	return &(table->set->phys->table[table->idx]);
-}
-
-static inline int in_use(struct mc_l2_table *table)
-{
-	return atomic_read(&table->usage) > 0;
-}
-
-/*
- * Search the list of used l2 tables and return the one with the handle.
- * Assumes the table_lock is taken.
- */
-struct mc_l2_table *find_l2_table(unsigned int handle)
-{
-	struct mc_l2_table *table;
-
-	list_for_each_entry(table, &mem_ctx.l2_tables, list) {
-		if (table->handle == handle)
-			return table;
-	}
-	return NULL;
-}
-
-/*
- * Allocate a new l2 table store plus L2_TABLES_PER_PAGE in the l2 free tables
- * list. Assumes the table_lock is already taken by the caller above.
- */
-static int alloc_table_store(void)
-{
-	unsigned long store;
-	struct mc_l2_tables_set *l2table_set;
-	struct mc_l2_table *l2table, *l2table2;
-	struct page *page;
-	int ret = 0, i;
-	/* temp list for holding the l2 tables */
-	LIST_HEAD(temp);
-
-	store = get_zeroed_page(GFP_KERNEL);
-	if (!store)
-		return -ENOMEM;
-
-	/*
-	 * Actually, locking is not necessary, because kernel
-	 * memory is not supposed to get swapped out. But we
-	 * play safe....
-	 */
-	page = virt_to_page(store);
-	SetPageReserved(page);
-
-	/* add all the descriptors to the free descriptors list */
-	l2table_set = kmalloc(sizeof(*l2table_set), GFP_KERNEL | __GFP_ZERO);
-	if (l2table_set == NULL) {
-		ret = -ENOMEM;
-		goto free_store;
-	}
-	/* initialize */
-	l2table_set->kernel_virt = (void *)store;
-	l2table_set->page = page;
-	l2table_set->phys = (void *)virt_to_phys((void *)store);
-	/* the set is not yet used */
-	atomic_set(&l2table_set->used_tables, 0);
-
-	/* init add to list. */
-	INIT_LIST_HEAD(&(l2table_set->list));
-	list_add(&l2table_set->list, &mem_ctx.l2_tables_sets);
-
-	for (i = 0; i < L2_TABLES_PER_PAGE; i++) {
-		/* allocate a WSM L2 descriptor */
-		l2table  = kmalloc(sizeof(*l2table), GFP_KERNEL | __GFP_ZERO);
-		if (l2table == NULL) {
-			ret = -ENOMEM;
-			MCDRV_DBG_ERROR(mcd, "out of memory\n");
-			/* Free the full temp list and the store in this case */
-			goto free_temp_list;
-		}
-
-		/* set set reference */
-		l2table->set = l2table_set;
-		l2table->idx = i;
-		l2table->virt = get_l2_table_kernel_virt(l2table);
-		l2table->phys = (unsigned long)get_l2_table_phys(l2table);
-		atomic_set(&l2table->usage, 0);
-
-		/* add to temp list. */
-		INIT_LIST_HEAD(&l2table->list);
-		list_add_tail(&l2table->list, &temp);
-	}
-
-	/*
-	 * If everything went ok then merge the temp list with the global
-	 * free list
-	 */
-	list_splice_tail(&temp, &mem_ctx.free_l2_tables);
-	return 0;
-free_temp_list:
-	list_for_each_entry_safe(l2table, l2table2, &temp, list) {
-		kfree(l2table);
-	}
-
-	list_del(&l2table_set->list);
-
-free_store:
-	free_page(store);
-	return ret;
-
-}
-/*
- * Get a l2 table from the free tables list or allocate a new one and
- * initialize it. Assumes the table_lock is already taken.
- */
-static struct mc_l2_table *alloc_l2_table(struct mc_instance *instance)
-{
-	int ret = 0;
-	struct mc_l2_table *table = NULL;
-
-	if (list_empty(&mem_ctx.free_l2_tables)) {
-		ret = alloc_table_store();
-		if (ret) {
-			MCDRV_DBG_ERROR(mcd, "Failed to allocate new store!");
-			return ERR_PTR(-ENOMEM);
-		}
-		/* if it's still empty something wrong has happened */
-		if (list_empty(&mem_ctx.free_l2_tables)) {
-			MCDRV_DBG_ERROR(mcd,
-					"Free list not updated correctly!");
-			return ERR_PTR(-EFAULT);
-		}
-	}
-
-	/* get a WSM L2 descriptor */
-	table  = list_first_entry(&mem_ctx.free_l2_tables,
-		struct mc_l2_table, list);
-	if (table == NULL) {
-		MCDRV_DBG_ERROR(mcd, "out of memory\n");
-		return ERR_PTR(-ENOMEM);
-	}
-	/* Move it to the used l2 tables list */
-	list_move_tail(&table->list, &mem_ctx.l2_tables);
-
-	table->handle = get_unique_id();
-	table->owner = instance;
-
-	atomic_inc(&table->set->used_tables);
-	atomic_inc(&table->usage);
-
-	MCDRV_DBG_VERBOSE(mcd,
-			  "chunkPhys=%p,idx=%d", table->set->phys, table->idx);
-
-	return table;
-}
-
-/*
- * Frees the object associated with a l2 table. Initially the object is moved
- * to the free tables list, but if all the 4 lists of the store are free
- * then the store is also released.
- * Assumes the table_lock is already taken.
- */
-static void free_l2_table(struct mc_l2_table *table)
-{
-	struct mc_l2_tables_set *l2table_set;
-
-	if (WARN(!table, "Invalid table"))
-		return;
-
-	l2table_set = table->set;
-	if (WARN(!l2table_set, "Invalid table set"))
-		return;
-
-	list_move_tail(&table->list, &mem_ctx.free_l2_tables);
-
-	/* if nobody uses this set, we can release it. */
-	if (atomic_dec_and_test(&l2table_set->used_tables)) {
-		struct mc_l2_table *tmp;
-
-		/* remove from list */
-		list_del(&l2table_set->list);
-		/*
-		 * All the l2 tables are in the free list for this set
-		 * so we can just remove them from there
-		 */
-		list_for_each_entry_safe(table, tmp, &mem_ctx.free_l2_tables,
-					 list) {
-			if (table->set == l2table_set) {
-				list_del(&table->list);
-				kfree(table);
-			}
-		} /* end while */
-
-		/*
-		 * We shouldn't recover from this since it was some data
-		 * corruption before
-		 */
-		BUG_ON(!l2table_set->page);
-		ClearPageReserved(l2table_set->page);
-
-		BUG_ON(!l2table_set->kernel_virt);
-		free_page((unsigned long)l2table_set->kernel_virt);
-
-		kfree(l2table_set);
-	}
-}
-
-/*
- * Create a L2 table in a WSM container that has been allocates previously.
- * Assumes the table lock is already taken or there is no need to take like
- * when first creating the l2 table the full list is locked.
- *
- * @task	pointer to task owning WSM
- * @wsm_buffer	user space WSM start
- * @wsm_len	WSM length
- * @table	Pointer to L2 table details
- */
-static int map_buffer(struct task_struct *task, void *wsm_buffer,
-		      unsigned int wsm_len, struct mc_l2_table *table)
-{
-	int		ret = 0;
-	unsigned int	i, nr_of_pages;
-	/* start address of the 4 KiB page of wsm_buffer */
-	void		*virt_addr_page;
-	struct page	*page;
-	struct l2table	*l2table;
-	struct page	**l2table_as_array_of_pointers_to_page;
-	/* page offset in wsm buffer */
-	unsigned int offset;
-
-	if (WARN(!wsm_buffer, "Invalid WSM buffer pointer"))
-		return -EINVAL;
-
-	if (WARN(wsm_len == 0, "Invalid WSM buffer length"))
-		return -EINVAL;
-
-	if (WARN(!table, "Invalid mapping table for WSM"))
-		return -EINVAL;
-
-	/* no size > 1Mib supported */
-	if (wsm_len > SZ_1M) {
-		MCDRV_DBG_ERROR(mcd, "size > 1 MiB\n");
-		return -EINVAL;
-	}
-
-	MCDRV_DBG_VERBOSE(mcd, "WSM addr=0x%p, len=0x%08x\n", wsm_buffer,
-			  wsm_len);
-
-
-	/* calculate page usage */
-	virt_addr_page = (void *)(((unsigned long)(wsm_buffer)) & PAGE_MASK);
-	offset = (unsigned int)	(((unsigned long)(wsm_buffer)) & (~PAGE_MASK));
-	nr_of_pages  = PAGE_ALIGN(offset + wsm_len) / PAGE_SIZE;
-
-	MCDRV_DBG_VERBOSE(mcd, "virt addr page start=0x%p, pages=%d\n",
-			  virt_addr_page, nr_of_pages);
-
-	/* L2 table can hold max 1MiB in 256 pages. */
-	if ((nr_of_pages * PAGE_SIZE) > SZ_1M) {
-		MCDRV_DBG_ERROR(mcd, "WSM paged exceed 1 MiB\n");
-		return -EINVAL;
-	}
-
-	l2table = table->virt;
-	/*
-	 * We use the memory for the L2 table to hold the pointer
-	 * and convert them later. This works, as everything comes
-	 * down to a 32 bit value.
-	 */
-	l2table_as_array_of_pointers_to_page = (struct page **)l2table;
-
-	/* Request comes from user space */
-	if (task != NULL && !is_vmalloc_addr(wsm_buffer)) {
-		/*
-		 * lock user page in memory, so they do not get swapped
-		 * out.
-		 * REV axh: Kernel 2.6.27 added a new get_user_pages_fast()
-		 * function, maybe it is called fast_gup() in some versions.
-		 * handle user process doing a fork().
-		 * Child should not get things.
-		 * http://osdir.com/ml/linux-media/2009-07/msg00813.html
-		 * http://lwn.net/Articles/275808/
-		 */
-		ret = lock_pages(task, virt_addr_page, nr_of_pages,
-				 l2table_as_array_of_pointers_to_page);
-		if (ret != 0) {
-			MCDRV_DBG_ERROR(mcd, "lock_user_pages() failed\n");
-			return ret;
-		}
-	}
-	/* Request comes from kernel space(cont buffer) */
-	else if (task == NULL && !is_vmalloc_addr(wsm_buffer)) {
-		void *uaddr = wsm_buffer;
-		for (i = 0; i < nr_of_pages; i++) {
-			page = virt_to_page(uaddr);
-			if (!page) {
-				MCDRV_DBG_ERROR(mcd, "failed to map address");
-				return -EINVAL;
-			}
-			get_page(page);
-			l2table_as_array_of_pointers_to_page[i] = page;
-			uaddr += PAGE_SIZE;
-		}
-	}
-	/* Request comes from kernel space(vmalloc buffer) */
-	else {
-		void *uaddr = wsm_buffer;
-		for (i = 0; i < nr_of_pages; i++) {
-			page = vmalloc_to_page(uaddr);
-			if (!page) {
-				MCDRV_DBG_ERROR(mcd, "failed to map address");
-				return -EINVAL;
-			}
-			get_page(page);
-			l2table_as_array_of_pointers_to_page[i] = page;
-			uaddr += PAGE_SIZE;
-		}
-	}
-
-	table->pages = nr_of_pages;
-
-	/*
-	 * create L2 Table entries.
-	 * used_l2table->table contains a list of page pointers here.
-	 * For a proper cleanup we have to ensure that the following
-	 * code either works and used_l2table contains a valid L2 table
-	 * - or fails and used_l2table->table contains the list of page
-	 * pointers.
-	 * Any mixed contents will make cleanup difficult.
-	 */
-	for (i = 0; i < nr_of_pages; i++) {
-		pte_t pte;
-		page = l2table_as_array_of_pointers_to_page[i];
-
-		/*
-		 * create L2 table entry, see ARM MMU docu for details
-		 * about flags stored in the lowest 12 bits.
-		 * As a side reference, the Article
-		 * "ARM's multiply-mapped memory mess"
-		 * found in the collection at
-		 * http://lwn.net/Articles/409032/
-		 * is also worth reading.
-		 */
-		pte = page_to_l2_pte(page)
-				| PTE_EXT_AP1 | PTE_EXT_AP0
-				| PTE_CACHEABLE | PTE_BUFFERABLE
-				| PTE_TYPE_SMALL | PTE_TYPE_EXT | PTE_EXT_NG;
-		/*
-		 * Linux uses different mappings for SMP systems(the
-		 * sharing flag is set for the pte. In order not to
-		 * confuse things too much in Mobicore make sure the
-		 * shared buffers have the same flags.
-		 * This should also be done in SWD side
-		 */
-#ifdef CONFIG_SMP
-		pte |= PTE_EXT_SHARED | PTE_EXT_TEX(1);
-#endif
-
-		l2table->table_entries[i] = pte;
-		MCDRV_DBG_VERBOSE(mcd, "L2 entry %d:  0x%08x\n", i,
-				  (unsigned int)(pte));
-	}
-
-	/* ensure rest of table is empty */
-	while (i < 255)
-		l2table->table_entries[i++] = (pte_t)0;
-
-
-	return ret;
-}
-
-/*
- * Remove a L2 table in a WSM container. Afterwards the container may be
- * released. Assumes the table_lock and the lock is taken.
- */
-static void unmap_buffers(struct mc_l2_table *table)
-{
-	struct l2table *l2table;
-	int i;
-
-	if (WARN_ON(!table))
-		return;
-
-	/* found the table, now release the resources. */
-	MCDRV_DBG_VERBOSE(mcd, "clear L2 table, phys_base=%p, nr_of_pages=%d\n",
-			  (void *)table->phys, table->pages);
-
-	l2table = table->virt;
-
-	/* release all locked user space pages */
-	for (i = 0; i < table->pages; i++) {
-		/* convert physical entries from L2 table to page pointers */
-		pte_t pte = l2table->table_entries[i];
-		struct page *page = l2_pte_to_page(pte);
-		release_page(page);
-	}
-
-	/* remember that all pages have been freed */
-	table->pages = 0;
-}
-
-/* Delete a used l2 table. Assumes the table_lock and the lock is taken */
-static void unmap_l2_table(struct mc_l2_table *table)
-{
-	/* Check if it's not locked by other processes too! */
-	if (!atomic_dec_and_test(&table->usage))
-		return;
-
-	/* release if Nwd and Swd/MC do no longer use it. */
-	unmap_buffers(table);
-	free_l2_table(table);
-}
-
-int mc_free_l2_table(struct mc_instance *instance, uint32_t handle)
-{
-	struct mc_l2_table *table;
-	int ret = 0;
-
-	if (WARN(!instance, "No instance data available"))
-		return -EFAULT;
-
-	mutex_lock(&mem_ctx.table_lock);
-	table = find_l2_table(handle);
-
-	if (table == NULL) {
-		MCDRV_DBG_VERBOSE(mcd, "entry not found");
-		ret = -EINVAL;
-		goto err_unlock;
-	}
-	if (instance != table->owner && !is_daemon(instance)) {
-		MCDRV_DBG_ERROR(mcd, "instance does no own it");
-		ret = -EPERM;
-		goto err_unlock;
-	}
-	/* free table (if no further locks exist) */
-	unmap_l2_table(table);
-err_unlock:
-	mutex_unlock(&mem_ctx.table_lock);
-
-	return ret;
-}
-
-int mc_lock_l2_table(struct mc_instance *instance, uint32_t handle)
-{
-	int ret = 0;
-	struct mc_l2_table *table = NULL;
-
-	if (WARN(!instance, "No instance data available"))
-		return -EFAULT;
-
-	mutex_lock(&mem_ctx.table_lock);
-	table = find_l2_table(handle);
-
-	if (table == NULL) {
-		MCDRV_DBG_VERBOSE(mcd, "entry not found %u\n", handle);
-		ret = -EINVAL;
-		goto table_err;
-	}
-	if (instance != table->owner && !is_daemon(instance)) {
-		MCDRV_DBG_ERROR(mcd, "instance does no own it\n");
-		ret = -EPERM;
-		goto table_err;
-	}
-
-	/* lock entry */
-	atomic_inc(&table->usage);
-table_err:
-	mutex_unlock(&mem_ctx.table_lock);
-	return ret;
-}
-/*
- * Allocate L2 table and map buffer into it.
- * That is, create respective table entries.
- * Must hold Semaphore mem_ctx.wsm_l2_sem
- */
-struct mc_l2_table *mc_alloc_l2_table(struct mc_instance *instance,
-	struct task_struct *task, void *wsm_buffer, unsigned int wsm_len)
-{
-	int ret = 0;
-	struct mc_l2_table *table;
-
-	if (WARN(!instance, "No instance data available"))
-		return ERR_PTR(-EFAULT);
-
-	mutex_lock(&mem_ctx.table_lock);
-	table = alloc_l2_table(instance);
-	if (IS_ERR(table)) {
-		MCDRV_DBG_ERROR(mcd, "allocate_used_l2_table() failed\n");
-		ret = -ENOMEM;
-		goto err_no_mem;
-	}
-
-	/* create the L2 page for the WSM */
-	ret = map_buffer(task, wsm_buffer, wsm_len, table);
-
-	if (ret != 0) {
-		MCDRV_DBG_ERROR(mcd, "map_buffer() failed\n");
-		unmap_l2_table(table);
-		goto err_no_mem;
-	}
-	MCDRV_DBG(mcd, "mapped buffer %p to table with handle %d @ %lx",
-		  wsm_buffer, table->handle, table->phys);
-
-	mutex_unlock(&mem_ctx.table_lock);
-	return table;
-err_no_mem:
-	mutex_unlock(&mem_ctx.table_lock);
-	return ERR_PTR(ret);
-}
-
-uint32_t mc_find_l2_table(uint32_t handle, int32_t fd)
-{
-	uint32_t ret = 0;
-	struct mc_l2_table *table = NULL;
-
-	mutex_lock(&mem_ctx.table_lock);
-	table = find_l2_table(handle);
-
-	if (table == NULL) {
-		MCDRV_DBG_ERROR(mcd, "entry not found %u\n", handle);
-		ret = 0;
-		goto table_err;
-	}
-
-	/* It's safe here not to lock the instance since the owner of
-	 * the table will be cleared only with the table lock taken */
-	if (!mc_check_owner_fd(table->owner, fd)) {
-		MCDRV_DBG_ERROR(mcd, "not valid owner%u\n", handle);
-		ret = 0;
-		goto table_err;
-	}
-
-	ret = table->phys;
-table_err:
-	mutex_unlock(&mem_ctx.table_lock);
-	return ret;
-}
-
-void mc_clean_l2_tables(void)
-{
-	struct mc_l2_table *table, *tmp;
-
-	mutex_lock(&mem_ctx.table_lock);
-	/* Check if some WSM is orphaned. */
-	list_for_each_entry_safe(table, tmp, &mem_ctx.l2_tables, list) {
-		if (table->owner == NULL) {
-			MCDRV_DBG(mcd,
-				  "clearing orphaned WSM L2: p=%lx pages=%d\n",
-				  table->phys, table->pages);
-			unmap_l2_table(table);
-		}
-	}
-	mutex_unlock(&mem_ctx.table_lock);
-}
-
-void mc_clear_l2_tables(struct mc_instance *instance)
-{
-	struct mc_l2_table *table, *tmp;
-
-	mutex_lock(&mem_ctx.table_lock);
-	/* Check if some WSM is still in use. */
-	list_for_each_entry_safe(table, tmp, &mem_ctx.l2_tables, list) {
-		if (table->owner == instance) {
-			MCDRV_DBG(mcd, "release WSM L2: p=%lx pages=%d\n",
-				  table->phys, table->pages);
-			/* unlock app usage and free or mark it as orphan */
-			table->owner = NULL;
-			unmap_l2_table(table);
-		}
-	}
-	mutex_unlock(&mem_ctx.table_lock);
-}
-
-int mc_init_l2_tables(void)
-{
-	/* init list for WSM L2 chunks. */
-	INIT_LIST_HEAD(&mem_ctx.l2_tables_sets);
-
-	/* L2 table descriptor list. */
-	INIT_LIST_HEAD(&mem_ctx.l2_tables);
-
-	/* L2 table descriptor list. */
-	INIT_LIST_HEAD(&mem_ctx.free_l2_tables);
-
-	mutex_init(&mem_ctx.table_lock);
-
-	return 0;
-}
-
-void mc_release_l2_tables()
-{
-	struct mc_l2_table *table;
-	/* Check if some WSM is still in use. */
-	list_for_each_entry(table, &mem_ctx.l2_tables, list) {
-		WARN(1, "WSM L2 still in use: phys=%lx ,nr_of_pages=%d\n",
-		     table->phys, table->pages);
-	}
-}
diff --git a/drivers/gud/mobicore_driver/mem.h b/drivers/gud/mobicore_driver/mem.h
deleted file mode 100644
index 397a6cc..0000000
--- a/drivers/gud/mobicore_driver/mem.h
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * MobiCore driver module.(interface to the secure world SWD)
- *
- * <-- Copyright Giesecke & Devrient GmbH 2009-2012 -->
- * <-- Copyright Trustonic Limited 2013 -->
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef _MC_MEM_H_
-#define _MC_MEM_H_
-
-#define FREE_FROM_SWD	1
-#define FREE_FROM_NWD	0
-
-#define LOCKED_BY_APP	(1U << 0)
-#define LOCKED_BY_MC	(1U << 1)
-
-/*
- * MobiCore specific page tables for world shared memory.
- * Linux uses shadow page tables, see arch/arm/include/asm/pgtable-2level.
- * MobiCore uses the default ARM format.
- *
- * Number of page table entries in one L2 table. This is ARM specific, an
- * L2 table covers 1 MiB by using 256 entry referring to 4KiB pages each.
- */
-#define MC_ARM_L2_TABLE_ENTRIES		256
-
-/* ARM level 2 (L2) table with 256 entries. Size: 1k */
-struct l2table {
-	pte_t	table_entries[MC_ARM_L2_TABLE_ENTRIES];
-};
-
-/* Number of pages for L2 tables. There are 4 table in each page. */
-#define L2_TABLES_PER_PAGE		4
-
-/* Store for four L2 tables in one 4kb page*/
-struct mc_l2_table_store {
-	struct l2table table[L2_TABLES_PER_PAGE];
-};
-
-/* Usage and maintenance information about mc_l2_table_store */
-struct mc_l2_tables_set {
-	struct list_head		list;
-	/* kernel virtual address */
-	struct mc_l2_table_store	*kernel_virt;
-	/* physical address */
-	struct mc_l2_table_store	*phys;
-	/* pointer to page struct */
-	struct page			*page;
-	/* How many pages from this set are used */
-	atomic_t			used_tables;
-};
-
-/*
- * L2 table allocated to the Daemon or a TLC describing a world shared buffer.
- * When users map a malloc()ed area into SWd, a L2 table is allocated.
- * In addition, the area of maximum 1MB virtual address space is mapped into
- * the L2 table and a handle for this table is returned to the user.
- */
-struct mc_l2_table {
-	struct list_head	list;
-	/* Table lock */
-	struct mutex		lock;
-	/* handle as communicated to user mode */
-	unsigned int		handle;
-	/* Number of references kept to this l2 table */
-	atomic_t		usage;
-	/* owner of this L2 table */
-	struct mc_instance	*owner;
-	/* set describing where our L2 table is stored */
-	struct mc_l2_tables_set	*set;
-	/* index into L2 table set */
-	unsigned int		idx;
-	/* size of buffer */
-	unsigned int		pages;
-	/* virtual address*/
-	void			*virt;
-	unsigned long		phys;
-};
-
-/* MobiCore Driver Memory context data. */
-struct mc_mem_context {
-	struct mc_instance	*daemon_inst;
-	/* Backing store for L2 tables */
-	struct list_head	l2_tables_sets;
-	/* Bookkeeping for used L2 tables */
-	struct list_head	l2_tables;
-	/* Bookkeeping for free L2 tables */
-	struct list_head	free_l2_tables;
-	/* semaphore to synchronize access to above lists */
-	struct mutex		table_lock;
-};
-
-/*
- * Allocate L2 table and map buffer into it.
- * That is, create respective table entries.
- */
-struct mc_l2_table *mc_alloc_l2_table(struct mc_instance *instance,
-	struct task_struct *task, void *wsm_buffer, unsigned int wsm_len);
-
-/* Delete all the l2 tables associated with an instance */
-void mc_clear_l2_tables(struct mc_instance *instance);
-
-/* Release all orphaned L2 tables */
-void mc_clean_l2_tables(void);
-
-/* Delete a used l2 table. */
-int mc_free_l2_table(struct mc_instance *instance, uint32_t handle);
-
-/*
- * Lock a l2 table - the daemon adds +1 to refcount of the L2 table
- * marking it in use by SWD so it doesn't get released when the TLC dies.
- */
-int mc_lock_l2_table(struct mc_instance *instance, uint32_t handle);
-/* Unlock l2 table. */
-int mc_unlock_l2_table(struct mc_instance *instance, uint32_t handle);
-/* Return the phys address of l2 table. */
-uint32_t mc_find_l2_table(uint32_t handle, int32_t fd);
-/* Release all used l2 tables to Linux memory space */
-void mc_release_l2_tables(void);
-
-/* Initialize all l2 tables structure */
-int mc_init_l2_tables(void);
-
-#endif /* _MC_MEM_H_ */
diff --git a/drivers/gud/mobicore_driver/ops.c b/drivers/gud/mobicore_driver/ops.c
deleted file mode 100644
index 9d4af72..0000000
--- a/drivers/gud/mobicore_driver/ops.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * MobiCore Driver Kernel Module.
- *
- * This module is written as a Linux device driver.
- * This driver represents the command proxy on the lowest layer, from the
- * secure world to the non secure world, and vice versa.
- * This driver is located in the non secure world (Linux).
- * This driver offers IOCTL commands, for access to the secure world, and has
- * the interface from the secure world to the normal world.
- * The access to the driver is possible with a file descriptor,
- * which has to be created by the fd = open(/dev/mobicore) command.
- *
- * <-- Copyright Giesecke & Devrient GmbH 2009-2012 -->
- * <-- Copyright Trustonic Limited 2013 -->
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kthread.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/workqueue.h>
-#include <linux/cpu.h>
-
-#include "main.h"
-#include "fastcall.h"
-#include "ops.h"
-#include "mem.h"
-#include "pm.h"
-#include "debug.h"
-
-/* MobiCore context data */
-static struct mc_context *ctx;
-
-static inline long smc(union fc_generic *fc)
-{
-	/* If we request sleep yields must be filtered out as they
-	 * make no sense */
-	if (ctx->mcp)
-		if (ctx->mcp->flags.sleep_mode.SleepReq) {
-			if (fc->as_in.cmd == MC_SMC_N_YIELD)
-				return MC_FC_RET_ERR_INVALID;
-		}
-	return _smc(fc);
-}
-
-#ifdef MC_FASTCALL_WORKER_THREAD
-
-static struct task_struct *fastcall_thread;
-static DEFINE_KTHREAD_WORKER(fastcall_worker);
-
-struct fastcall_work {
-	struct kthread_work work;
-	void *data;
-};
-
-static void fastcall_work_func(struct kthread_work *work)
-{
-	struct fastcall_work *fc_work =
-		container_of(work, struct fastcall_work, work);
-
-#ifdef MC_CRYPTO_CLOCK_MANAGEMENT
-	mc_pm_clock_enable();
-#endif
-
-	smc(fc_work->data);
-
-#ifdef MC_CRYPTO_CLOCK_MANAGEMENT
-	mc_pm_clock_disable();
-#endif
-}
-
-void mc_fastcall(void *data)
-{
-	struct fastcall_work fc_work = {
-		KTHREAD_WORK_INIT(fc_work.work, fastcall_work_func),
-		.data = data,
-	};
-
-	queue_kthread_work(&fastcall_worker, &fc_work.work);
-	flush_kthread_work(&fc_work.work);
-}
-
-int mc_fastcall_init(struct mc_context *context)
-{
-	int ret = 0;
-
-	ctx = context;
-
-	fastcall_thread = kthread_create(kthread_worker_fn, &fastcall_worker,
-					 "mc_fastcall");
-	if (IS_ERR(fastcall_thread)) {
-		ret = PTR_ERR(fastcall_thread);
-		fastcall_thread = NULL;
-		MCDRV_DBG_ERROR(mcd, "cannot create fastcall wq (%d)\n", ret);
-		return ret;
-	}
-
-	/* this thread MUST run on CPU 0 */
-	kthread_bind(fastcall_thread, 0);
-	wake_up_process(fastcall_thread);
-
-	return 0;
-}
-
-void mc_fastcall_destroy(void)
-{
-	if (!IS_ERR_OR_NULL(fastcall_thread)) {
-		kthread_stop(fastcall_thread);
-		fastcall_thread = NULL;
-	}
-}
-#else
-
-struct fastcall_work_struct {
-	struct work_struct work;
-	void *data;
-};
-
-static void fastcall_work_func(struct work_struct *work)
-{
-	struct fastcall_work_struct *fc_work =
-		container_of(work, struct fastcall_work_struct, work);
-
-#ifdef MC_CRYPTO_CLOCK_MANAGEMENT
-	mc_pm_clock_enable();
-#endif
-
-	smc(fc_work->data);
-
-#ifdef MC_CRYPTO_CLOCK_MANAGEMENT
-	mc_pm_clock_disable();
-#endif
-}
-
-void mc_fastcall(void *data)
-{
-	struct fastcall_work_struct work = {
-		.data = data,
-	};
-	INIT_WORK(&work.work, fastcall_work_func);
-	schedule_work_on(0, &work.work);
-
-	flush_work(&work.work);
-}
-
-int mc_fastcall_init(struct mc_context *context)
-{
-	ctx = context;
-	return 0;
-};
-
-void mc_fastcall_destroy(void) {};
-#endif
-
-int mc_info(uint32_t ext_info_id, uint32_t *state, uint32_t *ext_info)
-{
-	int ret = 0;
-	union mc_fc_info fc_info;
-
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
-
-	memset(&fc_info, 0, sizeof(fc_info));
-	fc_info.as_in.cmd = MC_FC_INFO;
-	fc_info.as_in.ext_info_id = ext_info_id;
-
-	MCDRV_DBG(mcd, "fc_info <- cmd=0x%08x, ext_info_id=0x%08x\n",
-		  fc_info.as_in.cmd, fc_info.as_in.ext_info_id);
-
-	mc_fastcall(&(fc_info.as_generic));
-
-	MCDRV_DBG(mcd,
-		  "fc_info -> r=0x%08x ret=0x%08x state=0x%08x ext_info=0x%08x",
-		  fc_info.as_out.resp,
-		  fc_info.as_out.ret,
-		  fc_info.as_out.state,
-		  fc_info.as_out.ext_info);
-
-	ret = convert_fc_ret(fc_info.as_out.ret);
-
-	*state  = fc_info.as_out.state;
-	*ext_info = fc_info.as_out.ext_info;
-
-	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X\n", ret, ret);
-
-	return ret;
-}
-
-/* Yield to MobiCore */
-int mc_yield(void)
-{
-	int ret = 0;
-	union fc_generic yield;
-
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
-
-	memset(&yield, 0, sizeof(yield));
-	yield.as_in.cmd = MC_SMC_N_YIELD;
-	mc_fastcall(&yield);
-	ret = convert_fc_ret(yield.as_out.ret);
-
-	return ret;
-}
-
-/* call common notify */
-int mc_nsiq(void)
-{
-	int ret = 0;
-	union fc_generic nsiq;
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
-
-	memset(&nsiq, 0, sizeof(nsiq));
-	nsiq.as_in.cmd = MC_SMC_N_SIQ;
-	mc_fastcall(&nsiq);
-	ret = convert_fc_ret(nsiq.as_out.ret);
-
-	return ret;
-}
-
-/* call common notify */
-int _nsiq(void)
-{
-	int ret = 0;
-	union fc_generic nsiq;
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
-
-	memset(&nsiq, 0, sizeof(nsiq));
-	nsiq.as_in.cmd = MC_SMC_N_SIQ;
-	_smc(&nsiq);
-	ret = convert_fc_ret(nsiq.as_out.ret);
-
-	return ret;
-}
-
-/* Call the INIT fastcall to setup MobiCore initialization */
-int mc_init(uint32_t base, uint32_t nq_offset, uint32_t nq_length,
-	uint32_t mcp_offset, uint32_t mcp_length)
-{
-	int ret = 0;
-	union mc_fc_init fc_init;
-
-	MCDRV_DBG_VERBOSE(mcd, "enter\n");
-
-	memset(&fc_init, 0, sizeof(fc_init));
-
-	fc_init.as_in.cmd = MC_FC_INIT;
-	/* base address of mci buffer 4KB aligned */
-	fc_init.as_in.base = base;
-	/* notification buffer start/length [16:16] [start, length] */
-	fc_init.as_in.nq_info = (nq_offset << 16) | (nq_length & 0xFFFF);
-	/* mcp buffer start/length [16:16] [start, length] */
-	fc_init.as_in.mcp_info = (mcp_offset << 16) | (mcp_length & 0xFFFF);
-
-	/*
-	 * Set KMOD notification queue to start of MCI
-	 * mciInfo was already set up in mmap
-	 */
-	MCDRV_DBG(mcd,
-		  "cmd=0x%08x, base=0x%08x,nq_info=0x%08x, mcp_info=0x%08x\n",
-		  fc_init.as_in.cmd, fc_init.as_in.base, fc_init.as_in.nq_info,
-		  fc_init.as_in.mcp_info);
-
-	mc_fastcall(&fc_init.as_generic);
-
-	MCDRV_DBG(mcd, "out cmd=0x%08x, ret=0x%08x\n", fc_init.as_out.resp,
-		  fc_init.as_out.ret);
-
-	ret = convert_fc_ret(fc_init.as_out.ret);
-
-	MCDRV_DBG_VERBOSE(mcd, "exit with %d/0x%08X\n", ret, ret);
-
-	return ret;
-}
-
-/* Return MobiCore driver version */
-uint32_t mc_get_version(void)
-{
-	MCDRV_DBG(mcd, "MobiCore driver version is %i.%i\n",
-		  MCDRVMODULEAPI_VERSION_MAJOR,
-		  MCDRVMODULEAPI_VERSION_MINOR);
-
-	return MC_VERSION(MCDRVMODULEAPI_VERSION_MAJOR,
-					MCDRVMODULEAPI_VERSION_MINOR);
-}
diff --git a/drivers/gud/setupDrivers.sh b/drivers/gud/setupDrivers.sh
new file mode 100644
index 0000000..8f877b7
--- /dev/null
+++ b/drivers/gud/setupDrivers.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+export COMP_PATH_ROOT=$(dirname $(readlink -f $BASH_SOURCE)) #set this to the absolute path of the folder containing this file
+
+# This part has to be set by the customer
+# To be set, absolute path of kernel folder
+export LINUX_PATH=
+# To be set, absolute path! CROSS_COMPILE variable needed by kernel eg /home/user/arm-2009q3/bin/arm-none-linux-gnueabi-
+export CROSS_COMPILE=
+# To be set, build mode debug or release
+export MODE=debug
+# To be set, the absolute path to the Linux Android NDK
+export NDK_PATH=
+
+# Global variables needed by build scripts
+export COMP_PATH_Logwrapper=$COMP_PATH_ROOT/Logwrapper/Out
+export COMP_PATH_MobiCore=$COMP_PATH_ROOT/MobiCore/Out
+export COMP_PATH_MobiCoreDriverMod=$COMP_PATH_ROOT/mobicore_driver/Out
+export COMP_PATH_MobiCoreDriverLib=$COMP_PATH_ROOT/daemon/Out
+export COMP_PATH_AndroidNdkLinux=$NDK_PATH
\ No newline at end of file
diff --git a/drivers/input/misc/mma8x5x.c b/drivers/input/misc/mma8x5x.c
index d708d94..a605720 100644
--- a/drivers/input/misc/mma8x5x.c
+++ b/drivers/input/misc/mma8x5x.c
@@ -26,8 +26,8 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
-#include <linux/input-polldev.h>
 #include <linux/sensors.h>
+#include <linux/input.h>
 #include <linux/regulator/consumer.h>
 #include <linux/of_gpio.h>
 #include <linux/irq.h>
@@ -44,8 +44,6 @@
 #define POLL_INTERVAL_MAX	10000
 #define POLL_INTERVAL		100 /* msecs */
 
-/* if sensor is standby ,set POLL_STOP_TIME to slow down the poll */
-#define POLL_STOP_TIME		10000
 #define INPUT_FUZZ			32
 #define INPUT_FLAT			32
 #define INPUT_DATA_DIVIDER	16
@@ -81,6 +79,7 @@
 #define MMA_INT_ROUTING_CFG	0x01
 
 #define MMA_POWER_CFG_MASK	0xFE
+#define MMA_ODR_MASK		0x38
 
 struct sensor_regulator {
 	struct regulator *vreg;
@@ -189,7 +188,7 @@
 };
 struct mma8x5x_data {
 	struct i2c_client *client;
-	struct input_polled_dev *poll_dev;
+	struct delayed_work dwork;
 	struct input_dev *idev;
 	struct mutex data_lock;
 	struct sensors_classdev cdev;
@@ -229,7 +228,6 @@
 	{{ 0,  1,  0}, { 1,  0,	0}, {0, 0,  -1} },
 	{{ 1,  0,  0}, { 0, -1,	0}, {0, 0,  -1} },
 };
-static struct mma8x5x_data *drv_data;
 static int mma8x5x_config_regulator(struct i2c_client *client, bool on)
 {
 	int rc = 0, i;
@@ -408,7 +406,7 @@
 	if (result < 0)
 		goto out;
 
-	val = (u8)result | val;
+	val = ((u8)result & ~MMA_ODR_MASK) | val;
 	result = i2c_smbus_write_byte_data(client, MMA8X5X_CTRL_REG1,
 					   (val & MMA_POWER_CFG_MASK));
 	if (result < 0)
@@ -487,32 +485,27 @@
 
 static void mma8x5x_report_data(struct mma8x5x_data *pdata)
 {
-	struct input_polled_dev *poll_dev = pdata->poll_dev;
 	struct mma8x5x_data_axis data;
+
 	mutex_lock(&pdata->data_lock);
-	if ((pdata->active & MMA_STATE_MASK) == MMA_STANDBY) {
-		poll_dev->poll_interval = POLL_STOP_TIME;
-		/* if standby ,set as 10s to slow the poll. */
-		goto out;
-	} else {
-		if (poll_dev->poll_interval == POLL_STOP_TIME)
-			poll_dev->poll_interval = pdata->poll_delay;
-	}
 	if (mma8x5x_read_data(pdata->client, &data) != 0)
 		goto out;
 	mma8x5x_data_convert(pdata, &data);
-	input_report_abs(poll_dev->input, ABS_X, data.x);
-	input_report_abs(poll_dev->input, ABS_Y, data.y);
-	input_report_abs(poll_dev->input, ABS_Z, data.z);
-	input_sync(poll_dev->input);
+	input_report_abs(pdata->idev, ABS_X, data.x);
+	input_report_abs(pdata->idev, ABS_Y, data.y);
+	input_report_abs(pdata->idev, ABS_Z, data.z);
+	input_sync(pdata->idev);
 out:
 	mutex_unlock(&pdata->data_lock);
 }
 
-static void mma8x5x_dev_poll(struct input_polled_dev *dev)
+static void mma8x5x_dev_poll(struct work_struct *work)
 {
-	struct mma8x5x_data *pdata = (struct mma8x5x_data *)dev->private;
+	struct mma8x5x_data *pdata = container_of((struct delayed_work *)work,
+				struct mma8x5x_data, dwork);
 	mma8x5x_report_data(pdata);
+	schedule_delayed_work(&pdata->dwork,
+				msecs_to_jiffies(pdata->poll_delay));
 }
 
 static irqreturn_t mma8x5x_interrupt(int vec, void *data)
@@ -577,12 +570,18 @@
 				dev_err(&client->dev, "change device state failed!");
 				goto err_failed;
 			}
+
+			schedule_delayed_work(&pdata->dwork,
+				msecs_to_jiffies(pdata->poll_delay));
+
 			pdata->active = MMA_ACTIVED;
 			dev_dbg(&client->dev, "%s:mma enable setting active.\n",
 					__func__);
 		}
 	} else if (enable == 0) {
 		if (pdata->active == MMA_ACTIVED) {
+			cancel_delayed_work_sync(&pdata->dwork);
+
 			val = i2c_smbus_read_byte_data(client,
 					MMA8X5X_CTRL_REG1);
 			if (val < 0) {
@@ -616,7 +615,7 @@
 static ssize_t mma8x5x_enable_show(struct device *dev,
 				   struct device_attribute *attr, char *buf)
 {
-	struct mma8x5x_data *pdata = drv_data;
+	struct mma8x5x_data *pdata = dev_get_drvdata(dev);
 	struct i2c_client *client;
 	u8 val;
 	int enable;
@@ -641,7 +640,7 @@
 				    struct device_attribute *attr,
 				    const char *buf, size_t count)
 {
-	struct mma8x5x_data *pdata = drv_data;
+	struct mma8x5x_data *pdata = dev_get_drvdata(dev);
 	struct i2c_client *client;
 	int ret;
 	unsigned long enable;
@@ -663,7 +662,7 @@
 static ssize_t mma8x5x_position_show(struct device *dev,
 				   struct device_attribute *attr, char *buf)
 {
-	struct mma8x5x_data *pdata = drv_data;
+	struct mma8x5x_data *pdata = dev_get_drvdata(dev);
 	int position = 0;
 
 	if (!pdata) {
@@ -680,7 +679,7 @@
 				    struct device_attribute *attr,
 				    const char *buf, size_t count)
 {
-	struct mma8x5x_data *pdata = drv_data;
+	struct mma8x5x_data *pdata = dev_get_drvdata(dev);
 	int position;
 	int ret;
 
@@ -714,7 +713,6 @@
 	} else {
 		mutex_lock(&pdata->data_lock);
 		pdata->poll_delay = delay_ms;
-		pdata->poll_dev->poll_interval = pdata->poll_delay;
 		mutex_unlock(&pdata->data_lock);
 	}
 
@@ -724,7 +722,7 @@
 static ssize_t mma8x5x_poll_delay_show(struct device *dev,
 				   struct device_attribute *attr, char *buf)
 {
-	struct mma8x5x_data *pdata = drv_data;
+	struct mma8x5x_data *pdata = dev_get_drvdata(dev);
 
 	if (!pdata) {
 		dev_err(dev, "Invalid driver private data!");
@@ -738,7 +736,7 @@
 				    struct device_attribute *attr,
 				    const char *buf, size_t count)
 {
-	struct mma8x5x_data *pdata = drv_data;
+	struct mma8x5x_data *pdata = dev_get_drvdata(dev);
 	int delay;
 	int ret;
 
@@ -825,7 +823,6 @@
 	struct input_dev *idev;
 	struct mma8x5x_data *pdata;
 	struct i2c_adapter *adapter;
-	struct input_polled_dev *poll_dev;
 	adapter = to_i2c_adapter(client->dev.parent);
 	/* power on the device */
 	result = mma8x5x_config_regulator(client, 1);
@@ -836,7 +833,7 @@
 					 I2C_FUNC_SMBUS_BYTE |
 					 I2C_FUNC_SMBUS_BYTE_DATA);
 	if (!result)
-		goto err_out;
+		goto err_check_id;
 
 	chip_id = i2c_smbus_read_byte_data(client, MMA8X5X_WHO_AM_I);
 
@@ -846,14 +843,14 @@
 			chip_id, MMA8451_ID, MMA8452_ID, MMA8453_ID,
 			MMA8652_ID, MMA8653_ID);
 		result = -EINVAL;
-		goto err_out;
+		goto err_check_id;
 	}
 	/* set the private data */
 	pdata = kzalloc(sizeof(struct mma8x5x_data), GFP_KERNEL);
 	if (!pdata) {
 		result = -ENOMEM;
 		dev_err(&client->dev, "alloc data memory error!\n");
-		goto err_out;
+		goto err_check_id;
 	}
 
 	if (client->dev.of_node) {
@@ -867,12 +864,10 @@
 	}
 
 	/* Initialize the MMA8X5X chip */
-	drv_data = pdata;
 	pdata->client = client;
 	pdata->chip_id = chip_id;
 	pdata->mode = MODE_2G;
-	pdata->poll_delay = POLL_STOP_TIME;
-	pdata->poll_dev = NULL;
+	pdata->poll_delay = POLL_INTERVAL;
 
 	mutex_init(&pdata->data_lock);
 	i2c_set_clientdata(client, pdata);
@@ -894,29 +889,9 @@
 			if (result) {
 				dev_err(&client->dev,
 					"set_direction for irq gpio failed\n");
-				goto err_set_direction;
+				goto err_set_gpio_direction;
 			}
 		}
-		idev = input_allocate_device();
-		if (!idev) {
-			result = -ENOMEM;
-			dev_err(&client->dev, "alloc input device failed!\n");
-			goto err_alloc_poll_device;
-		}
-		input_set_drvdata(idev, pdata);
-		idev->name = ACCEL_INPUT_DEV_NAME;
-		idev->uniq = mma8x5x_id2name(pdata->chip_id);
-		idev->id.bustype = BUS_I2C;
-		idev->evbit[0] = BIT_MASK(EV_ABS);
-		input_set_abs_params(idev, ABS_X, -0x7fff, 0x7fff, 0, 0);
-		input_set_abs_params(idev, ABS_Y, -0x7fff, 0x7fff, 0, 0);
-		input_set_abs_params(idev, ABS_Z, -0x7fff, 0x7fff, 0, 0);
-		result = input_register_device(idev);
-		if (result) {
-			dev_err(&client->dev, "register input device failed!\n");
-			goto err_register_device;
-		}
-		pdata->idev = idev;
 		device_init_wakeup(&client->dev, true);
 		enable_irq_wake(client->irq);
 		result = request_threaded_irq(client->irq, NULL,
@@ -930,34 +905,29 @@
 		}
 		mma8x5x_device_int_init(client);
 	} else {
-		/* create the input poll device */
-		poll_dev = input_allocate_polled_device();
-		if (!poll_dev) {
-			result = -ENOMEM;
-			dev_err(&client->dev, "alloc poll device failed!\n");
-			goto err_alloc_poll_device;
-		}
-		pdata->poll_dev = poll_dev;
-		pdata->idev = NULL;
-		poll_dev->poll = mma8x5x_dev_poll;
-		poll_dev->poll_interval = POLL_STOP_TIME;
-		poll_dev->poll_interval_min = POLL_INTERVAL_MIN;
-		poll_dev->poll_interval_max = POLL_INTERVAL_MAX;
-		poll_dev->private = pdata;
-		idev = poll_dev->input;
-		idev->name = ACCEL_INPUT_DEV_NAME;
-		idev->uniq = mma8x5x_id2name(pdata->chip_id);
-		idev->id.bustype = BUS_I2C;
-		idev->evbit[0] = BIT_MASK(EV_ABS);
-		input_set_abs_params(idev, ABS_X, -0x7fff, 0x7fff, 0, 0);
-		input_set_abs_params(idev, ABS_Y, -0x7fff, 0x7fff, 0, 0);
-		input_set_abs_params(idev, ABS_Z, -0x7fff, 0x7fff, 0, 0);
-		result = input_register_polled_device(pdata->poll_dev);
-		if (result) {
-			dev_err(&client->dev, "register poll device failed!\n");
-			goto err_register_device;
-		}
+		INIT_DELAYED_WORK(&pdata->dwork, mma8x5x_dev_poll);
 	}
+	idev = input_allocate_device();
+	if (!idev) {
+		result = -ENOMEM;
+		dev_err(&client->dev, "alloc input device failed!\n");
+		goto err_alloc_poll_device;
+	}
+	input_set_drvdata(idev, pdata);
+	idev->name = ACCEL_INPUT_DEV_NAME;
+	idev->uniq = mma8x5x_id2name(pdata->chip_id);
+	idev->id.bustype = BUS_I2C;
+	idev->evbit[0] = BIT_MASK(EV_ABS);
+	input_set_abs_params(idev, ABS_X, -0x7fff, 0x7fff, 0, 0);
+	input_set_abs_params(idev, ABS_Y, -0x7fff, 0x7fff, 0, 0);
+	input_set_abs_params(idev, ABS_Z, -0x7fff, 0x7fff, 0, 0);
+	result = input_register_device(idev);
+	if (result) {
+		dev_err(&client->dev, "register input device failed!\n");
+		goto err_register_device;
+	}
+	pdata->idev = idev;
+
 	result = sysfs_create_group(&idev->dev.kobj, &mma8x5x_attr_group);
 	if (result) {
 		dev_err(&client->dev, "create device file failed!\n");
@@ -983,23 +953,20 @@
 err_create_class_sysfs:
 	sysfs_remove_group(&idev->dev.kobj, &mma8x5x_attr_group);
 err_create_sysfs:
-	input_unregister_polled_device(pdata->poll_dev);
+	input_unregister_device(idev);
+err_register_device:
+	input_free_device(idev);
+err_alloc_poll_device:
 err_register_irq:
 	if (pdata->use_int)
 		device_init_wakeup(&client->dev, false);
-err_register_device:
-	if (pdata->use_int)
-		input_free_device(idev);
-	else
-		input_free_polled_device(pdata->poll_dev);
-err_alloc_poll_device:
-err_set_direction:
+err_set_gpio_direction:
 	if (gpio_is_valid(pdata->int_pin) && pdata->use_int)
 		gpio_free(pdata->int_pin);
 err_request_gpio:
 err_parse_dt:
 	kfree(pdata);
-err_out:
+err_check_id:
 	mma8x5x_config_regulator(client, 0);
 err_power_on:
 	return result;
@@ -1007,14 +974,22 @@
 static int __devexit mma8x5x_remove(struct i2c_client *client)
 {
 	struct mma8x5x_data *pdata = i2c_get_clientdata(client);
-	struct input_polled_dev *poll_dev;
+	struct input_dev *idev;
+
 	mma8x5x_device_stop(client);
 	if (pdata) {
-		poll_dev = pdata->poll_dev;
-		input_unregister_polled_device(poll_dev);
-		input_free_polled_device(poll_dev);
+		idev = pdata->idev;
+		sysfs_remove_group(&idev->dev.kobj, &mma8x5x_attr_group);
+		if (pdata->use_int) {
+			device_init_wakeup(&client->dev, false);
+			if (gpio_is_valid(pdata->int_pin))
+				gpio_free(pdata->int_pin);
+		}
+		input_unregister_device(idev);
+		input_free_device(idev);
 		kfree(pdata);
 	}
+	mma8x5x_config_regulator(client, 0);
 	return 0;
 }
 
@@ -1026,8 +1001,10 @@
 
 	if (pdata->use_int && pdata->active == MMA_ACTIVED)
 		return 0;
-	if (pdata->active == MMA_ACTIVED)
+	if (pdata->active == MMA_ACTIVED) {
 		mma8x5x_device_stop(client);
+		cancel_delayed_work_sync(&pdata->dwork);
+	}
 	if (pdata->active & MMA_SHUTTEDDOWN)
 		return 0;
 	if (!mma8x5x_config_regulator(client, 0))
@@ -1058,6 +1035,8 @@
 	if (pdata->active == MMA_ACTIVED) {
 		val = i2c_smbus_read_byte_data(client, MMA8X5X_CTRL_REG1);
 		i2c_smbus_write_byte_data(client, MMA8X5X_CTRL_REG1, val|0x01);
+		schedule_delayed_work(&pdata->dwork,
+				msecs_to_jiffies(pdata->poll_delay));
 	}
 
 	return 0;
diff --git a/drivers/leds/leds-qpnp.c b/drivers/leds/leds-qpnp.c
index d87520f..eba5ca8 100644
--- a/drivers/leds/leds-qpnp.c
+++ b/drivers/leds/leds-qpnp.c
@@ -691,7 +691,7 @@
 {
 	int rc;
 	u8 val;
-	int duty_us;
+	int duty_us, duty_ns, period_us;
 
 	if (led->cdev.brightness) {
 		if (led->cdev.brightness < led->mpp_cfg->min_brightness) {
@@ -710,13 +710,23 @@
 			}
 		}
 		if (led->mpp_cfg->pwm_mode == PWM_MODE) {
-			pwm_disable(led->mpp_cfg->pwm_cfg->pwm_dev);
-			duty_us = (led->mpp_cfg->pwm_cfg->pwm_period_us *
-					led->cdev.brightness) / LED_FULL;
 			/*config pwm for brightness scaling*/
-			rc = pwm_config_us(led->mpp_cfg->pwm_cfg->pwm_dev,
+			period_us = led->mpp_cfg->pwm_cfg->pwm_period_us;
+			if (period_us > INT_MAX / NSEC_PER_USEC) {
+				duty_us = (period_us * led->cdev.brightness) /
+					LED_FULL;
+				rc = pwm_config_us(
+					led->mpp_cfg->pwm_cfg->pwm_dev,
 					duty_us,
-					led->mpp_cfg->pwm_cfg->pwm_period_us);
+					period_us);
+			} else {
+				duty_ns = ((period_us * NSEC_PER_USEC) /
+					LED_FULL) * led->cdev.brightness;
+				rc = pwm_config(
+					led->mpp_cfg->pwm_cfg->pwm_dev,
+					duty_ns,
+					period_us * NSEC_PER_USEC);
+			}
 			if (rc < 0) {
 				dev_err(&led->spmi_dev->dev, "Failed to " \
 					"configure pwm for new values\n");
@@ -1219,8 +1229,8 @@
 
 static int qpnp_kpdbl_set(struct qpnp_led_data *led)
 {
-	int duty_us;
 	int rc;
+	int duty_us, duty_ns, period_us;
 
 	if (led->cdev.brightness) {
 		if (!led->kpdbl_cfg->pwm_cfg->blinking)
@@ -1237,11 +1247,22 @@
 		}
 
 		if (led->kpdbl_cfg->pwm_cfg->mode == PWM_MODE) {
-			duty_us = (led->kpdbl_cfg->pwm_cfg->pwm_period_us *
-				led->cdev.brightness) / KPDBL_MAX_LEVEL;
-			rc = pwm_config_us(led->kpdbl_cfg->pwm_cfg->pwm_dev,
+			period_us = led->kpdbl_cfg->pwm_cfg->pwm_period_us;
+			if (period_us > INT_MAX / NSEC_PER_USEC) {
+				duty_us = (period_us * led->cdev.brightness) /
+					KPDBL_MAX_LEVEL;
+				rc = pwm_config_us(
+					led->kpdbl_cfg->pwm_cfg->pwm_dev,
 					duty_us,
-					led->kpdbl_cfg->pwm_cfg->pwm_period_us);
+					period_us);
+			} else {
+				duty_ns = ((period_us * NSEC_PER_USEC) /
+					KPDBL_MAX_LEVEL) * led->cdev.brightness;
+				rc = pwm_config(
+					led->kpdbl_cfg->pwm_cfg->pwm_dev,
+					duty_ns,
+					period_us * NSEC_PER_USEC);
+			}
 			if (rc < 0) {
 				dev_err(&led->spmi_dev->dev, "pwm config failed\n");
 				return rc;
@@ -1262,7 +1283,7 @@
 
 		if (led->kpdbl_cfg->always_on) {
 			rc = pwm_config_us(led->kpdbl_cfg->pwm_cfg->pwm_dev, 0,
-					led->kpdbl_cfg->pwm_cfg->pwm_period_us);
+				led->kpdbl_cfg->pwm_cfg->pwm_period_us);
 			if (rc < 0) {
 				dev_err(&led->spmi_dev->dev,
 						"pwm config failed\n");
@@ -1300,19 +1321,30 @@
 
 static int qpnp_rgb_set(struct qpnp_led_data *led)
 {
-	int duty_us;
 	int rc;
+	int duty_us, duty_ns, period_us;
 
 	if (led->cdev.brightness) {
 		if (!led->rgb_cfg->pwm_cfg->blinking)
 			led->rgb_cfg->pwm_cfg->mode =
 				led->rgb_cfg->pwm_cfg->default_mode;
 		if (led->rgb_cfg->pwm_cfg->mode == PWM_MODE) {
-			duty_us = (led->rgb_cfg->pwm_cfg->pwm_period_us *
-				led->cdev.brightness) / LED_FULL;
-			rc = pwm_config_us(led->rgb_cfg->pwm_cfg->pwm_dev,
+			period_us = led->rgb_cfg->pwm_cfg->pwm_period_us;
+			if (period_us > INT_MAX / NSEC_PER_USEC) {
+				duty_us = (period_us * led->cdev.brightness) /
+					LED_FULL;
+				rc = pwm_config_us(
+					led->rgb_cfg->pwm_cfg->pwm_dev,
 					duty_us,
-					led->rgb_cfg->pwm_cfg->pwm_period_us);
+					period_us);
+			} else {
+				duty_ns = ((period_us * NSEC_PER_USEC) /
+					LED_FULL) * led->cdev.brightness;
+				rc = pwm_config(
+					led->rgb_cfg->pwm_cfg->pwm_dev,
+					duty_ns,
+					period_us * NSEC_PER_USEC);
+			}
 			if (rc < 0) {
 				dev_err(&led->spmi_dev->dev,
 					"pwm config failed\n");
diff --git a/drivers/md/dm-req-crypt.c b/drivers/md/dm-req-crypt.c
index 16141b5..ab21404 100644
--- a/drivers/md/dm-req-crypt.c
+++ b/drivers/md/dm-req-crypt.c
@@ -41,7 +41,7 @@
 #define MAX_ENCRYPTION_BUFFERS 1
 #define MIN_IOS 16
 #define MIN_POOL_PAGES 32
-#define KEY_SIZE_XTS 32
+#define KEY_SIZE_XTS 64
 #define AES_XTS_IV_LEN 16
 
 #define DM_REQ_CRYPT_ERROR -1
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp.h b/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
index d33d34b..334a293 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
@@ -459,6 +459,7 @@
 	uint8_t vt_enable;
 	void __iomem *p_avtimer_msw;
 	void __iomem *p_avtimer_lsw;
+	uint8_t ignore_error;
 };
 
 #endif
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c
index 044f6f1..eb05015 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c
@@ -176,15 +176,15 @@
 	uint32_t irq_status0, uint32_t irq_status1,
 	struct msm_isp_timestamp *ts)
 {
+	uint32_t cnt;
 	if (!(irq_status0 & 0x1F))
 		return;
 
 	if (irq_status0 & BIT(0)) {
 		ISP_DBG("%s: SOF IRQ\n", __func__);
-		if (vfe_dev->axi_data.src_info[VFE_PIX_0].raw_stream_count > 0
-			&& vfe_dev->axi_data.src_info[VFE_PIX_0].
-			pix_stream_count == 0) {
-			msm_isp_sof_notify(vfe_dev, VFE_PIX_0, ts);
+		cnt = vfe_dev->axi_data.src_info[VFE_PIX_0].raw_stream_count;
+		if (cnt > 0) {
+			msm_isp_sof_notify(vfe_dev, VFE_RAW_0, ts);
 			if (vfe_dev->axi_data.stream_update)
 				msm_isp_axi_stream_update(vfe_dev);
 			msm_isp_update_framedrop_reg(vfe_dev);
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c
index d53d7f6..e443e9a 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -370,15 +370,16 @@
 	uint32_t irq_status0, uint32_t irq_status1,
 	struct msm_isp_timestamp *ts)
 {
+	int cnt;
+
 	if (!(irq_status0 & 0xF))
 		return;
 
 	if (irq_status0 & (1 << 0)) {
 		ISP_DBG("%s: SOF IRQ\n", __func__);
-		if (vfe_dev->axi_data.src_info[VFE_PIX_0].raw_stream_count > 0
-			&& vfe_dev->axi_data.src_info[VFE_PIX_0].
-			pix_stream_count == 0) {
-			msm_isp_sof_notify(vfe_dev, VFE_PIX_0, ts);
+		cnt = vfe_dev->axi_data.src_info[VFE_PIX_0].raw_stream_count;
+		if (cnt > 0) {
+			msm_isp_sof_notify(vfe_dev, VFE_RAW_0, ts);
 			if (vfe_dev->axi_data.stream_update)
 				msm_isp_axi_stream_update(vfe_dev);
 			msm_isp_update_framedrop_reg(vfe_dev);
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c
index 0264d6d..206620c 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c
@@ -81,6 +81,10 @@
 		return rc;
 
 	switch (stream_cfg_cmd->output_format) {
+	case V4L2_PIX_FMT_YUYV:
+	case V4L2_PIX_FMT_YVYU:
+	case V4L2_PIX_FMT_UYVY:
+	case V4L2_PIX_FMT_VYUY:
 	case V4L2_PIX_FMT_SBGGR8:
 	case V4L2_PIX_FMT_SGBRG8:
 	case V4L2_PIX_FMT_SGRBG8:
@@ -167,6 +171,10 @@
 	uint32_t size = 0;
 	struct msm_vfe_axi_plane_cfg *plane_cfg = stream_info->plane_cfg;
 	switch (stream_info->output_format) {
+	case V4L2_PIX_FMT_YUYV:
+	case V4L2_PIX_FMT_YVYU:
+	case V4L2_PIX_FMT_UYVY:
+	case V4L2_PIX_FMT_VYUY:
 	case V4L2_PIX_FMT_SBGGR8:
 	case V4L2_PIX_FMT_SGBRG8:
 	case V4L2_PIX_FMT_SGRBG8:
@@ -444,7 +452,7 @@
 	sof_event.frame_id = vfe_dev->axi_data.src_info[frame_src].frame_id;
 	sof_event.timestamp = ts->event_time;
 	sof_event.mono_timestamp = ts->buf_time;
-	msm_isp_send_event(vfe_dev, ISP_EVENT_SOF, &sof_event);
+	msm_isp_send_event(vfe_dev, ISP_EVENT_SOF + frame_src, &sof_event);
 }
 
 void msm_isp_calculate_framedrop(
@@ -1215,6 +1223,8 @@
 			msm_isp_axi_stream_enable_cfg(vfe_dev, stream_info);
 			stream_info->state = ACTIVE;
 		}
+		vfe_dev->axi_data.src_info[
+			SRC_TO_INTF(stream_info->stream_src)].frame_id = 0;
 	}
 	msm_isp_update_stream_bandwidth(vfe_dev);
 	vfe_dev->hw_info->vfe_ops.axi_ops.reload_wm(vfe_dev, wm_reload_mask);
@@ -1228,16 +1238,6 @@
 			update_camif_state(vfe_dev, camif_update);
 	}
 
-	if (vfe_dev->axi_data.src_info[VFE_RAW_0].raw_stream_count > 0) {
-		vfe_dev->axi_data.src_info[VFE_RAW_0].frame_id = 0;
-	}
-	else if (vfe_dev->axi_data.src_info[VFE_RAW_1].raw_stream_count > 0) {
-		vfe_dev->axi_data.src_info[VFE_RAW_1].frame_id = 0;
-	}
-	else if (vfe_dev->axi_data.src_info[VFE_RAW_2].raw_stream_count > 0) {
-		vfe_dev->axi_data.src_info[VFE_RAW_2].frame_id = 0;
-	}
-
 	if (wait_for_complete)
 		rc = msm_isp_axi_wait_for_cfg_done(vfe_dev, camif_update);
 
@@ -1308,11 +1308,13 @@
 	msm_isp_update_rdi_output_count(vfe_dev, stream_cfg_cmd);
 	cur_stream_cnt = msm_isp_get_curr_stream_cnt(vfe_dev);
 	if (cur_stream_cnt == 0) {
+		vfe_dev->ignore_error = 1;
 		if (camif_update == DISABLE_CAMIF_IMMEDIATELY) {
 			vfe_dev->hw_info->vfe_ops.axi_ops.halt(vfe_dev);
 		}
 		vfe_dev->hw_info->vfe_ops.core_ops.reset_hw(vfe_dev, ISP_RST_SOFT);
 		vfe_dev->hw_info->vfe_ops.core_ops.init_hw_reg(vfe_dev);
+		vfe_dev->ignore_error = 0;
 	}
 
 	for (i = 0; i < stream_cfg_cmd->num_streams; i++) {
@@ -1389,7 +1391,10 @@
 			return -EINVAL;
 		}
 		if (stream_info->state == ACTIVE &&
-			stream_info->stream_type == BURST_STREAM) {
+			stream_info->stream_type == BURST_STREAM &&
+			(1 != update_cmd->num_streams ||
+				UPDATE_STREAM_FRAMEDROP_PATTERN !=
+					update_cmd->update_type)) {
 			pr_err("%s: Cannot update active burst stream\n",
 				__func__);
 			return -EINVAL;
@@ -1416,7 +1421,10 @@
 				msm_isp_get_framedrop_period(
 				   update_info->skip_pattern);
 			stream_info->runtime_init_frame_drop = 0;
-			stream_info->framedrop_pattern = 0x1;
+			if (update_info->skip_pattern == SKIP_ALL)
+				stream_info->framedrop_pattern = 0x0;
+			else
+				stream_info->framedrop_pattern = 0x1;
 			stream_info->framedrop_period = framedrop_period - 1;
 			vfe_dev->hw_info->vfe_ops.axi_ops.
 				cfg_framedrop(vfe_dev, stream_info);
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c
index 057e87f..ffe0b9c 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c
@@ -806,6 +806,12 @@
 	case V4L2_PIX_FMT_NV61:
 		val = CAL_WORD(pixel_per_line, 1, 8);
 		break;
+	case V4L2_PIX_FMT_YUYV:
+	case V4L2_PIX_FMT_YVYU:
+	case V4L2_PIX_FMT_UYVY:
+	case V4L2_PIX_FMT_VYUY:
+		val = CAL_WORD(pixel_per_line, 2, 8);
+		break;
 		/*TD: Add more image format*/
 	default:
 		msm_isp_print_fourcc_error(__func__, output_format);
@@ -995,7 +1001,8 @@
 	error_mask1 &= irq_status1;
 	irq_status0 &= ~error_mask0;
 	irq_status1 &= ~error_mask1;
-	if ((error_mask0 != 0) || (error_mask1 != 0))
+	if (!vfe_dev->ignore_error &&
+		((error_mask0 != 0) || (error_mask1 != 0)))
 		msm_isp_update_error_info(vfe_dev, error_mask0, error_mask1);
 
 	if ((irq_status0 == 0) && (irq_status1 == 0) &&
diff --git a/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c b/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c
index 981c210..8662657 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c
+++ b/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c
@@ -457,9 +457,8 @@
 			break;
 		}
 		for (i = 0; i < csid_params.lut_params.num_cid; i++) {
-			vc_cfg = kzalloc(csid_params.lut_params.num_cid *
-				sizeof(struct msm_camera_csid_vc_cfg),
-				GFP_KERNEL);
+			vc_cfg = kzalloc(sizeof(struct msm_camera_csid_vc_cfg),
+			    GFP_KERNEL);
 			if (!vc_cfg) {
 				pr_err("%s: %d failed\n", __func__, __LINE__);
 				for (i--; i >= 0; i--)
@@ -469,8 +468,7 @@
 			}
 			if (copy_from_user(vc_cfg,
 				(void *)csid_params.lut_params.vc_cfg[i],
-				(csid_params.lut_params.num_cid *
-				sizeof(struct msm_camera_csid_vc_cfg)))) {
+				sizeof(struct msm_camera_csid_vc_cfg))) {
 				pr_err("%s: %d failed\n", __func__, __LINE__);
 				kfree(vc_cfg);
 				for (i--; i >= 0; i--)
diff --git a/drivers/media/platform/msm/vidc/msm_vdec.c b/drivers/media/platform/msm/vidc/msm_vdec.c
index ea7d670..66d6878 100644
--- a/drivers/media/platform/msm/vidc/msm_vdec.c
+++ b/drivers/media/platform/msm/vidc/msm_vdec.c
@@ -693,11 +693,20 @@
 	int rc = 0;
 	int i;
 	struct hal_buffer_requirements *buff_req_buffer;
+
 	if (!inst || !f || !inst->core || !inst->core->device) {
 		dprintk(VIDC_ERR,
 			"Invalid input, inst = %p, format = %p\n", inst, f);
 		return -EINVAL;
 	}
+
+	rc = msm_comm_try_get_bufreqs(inst);
+	if (rc) {
+		dprintk(VIDC_ERR, "Getting buffer requirements failed: %d\n",
+				rc);
+		return rc;
+	}
+
 	hdev = inst->core->device;
 	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 		fmt = inst->fmts[CAPTURE_PORT];
diff --git a/drivers/media/platform/msm/vidc/msm_venc.c b/drivers/media/platform/msm/vidc/msm_venc.c
index d8b608437..18432dd 100644
--- a/drivers/media/platform/msm/vidc/msm_venc.c
+++ b/drivers/media/platform/msm/vidc/msm_venc.c
@@ -116,6 +116,7 @@
 	"Extradata input crop",
 	"Extradata digital zoom",
 	"Extradata aspect ratio",
+	"Extradata LTR",
 	"Extradata macroblock metadata",
 };
 
@@ -2614,6 +2615,14 @@
 			"Invalid input, inst = %p, format = %p\n", inst, f);
 		return -EINVAL;
 	}
+
+	rc = msm_comm_try_get_bufreqs(inst);
+	if (rc) {
+		dprintk(VIDC_WARN, "Getting new buffer requirements failed: %d\n",
+				rc);
+		return rc;
+	}
+
 	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 		fmt = inst->fmts[CAPTURE_PORT];
 		height = inst->prop.height[CAPTURE_PORT];
@@ -2643,8 +2652,16 @@
 				buff_req_buffer->buffer_size : 0;
 		}
 		for (i = 0; i < fmt->num_planes; ++i) {
-			inst->bufq[CAPTURE_PORT].vb2_bufq.plane_sizes[i] =
-			f->fmt.pix_mp.plane_fmt[i].sizeimage;
+			if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+				inst->bufq[OUTPUT_PORT].vb2_bufq.
+				plane_sizes[i] =
+				f->fmt.pix_mp.plane_fmt[i].sizeimage;
+			} else if (f->type ==
+				V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+				inst->bufq[CAPTURE_PORT].vb2_bufq.
+				plane_sizes[i] =
+				f->fmt.pix_mp.plane_fmt[i].sizeimage;
+			}
 		}
 	} else {
 		dprintk(VIDC_ERR,
diff --git a/drivers/media/platform/msm/vidc/msm_vidc.c b/drivers/media/platform/msm/vidc/msm_vidc.c
index fe0a42d..9dbecfb 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc.c
+++ b/drivers/media/platform/msm/vidc/msm_vidc.c
@@ -814,6 +814,10 @@
 int msm_vidc_encoder_cmd(void *instance, struct v4l2_encoder_cmd *enc)
 {
 	struct msm_vidc_inst *inst = instance;
+	if (!inst || !inst->core || !enc) {
+		dprintk(VIDC_ERR, "%s invalid params\n", __func__);
+		return -EINVAL;
+	}
 	if (inst->session_type == MSM_VIDC_ENCODER)
 		return msm_venc_cmd(instance, enc);
 	return -EINVAL;
@@ -822,6 +826,10 @@
 int msm_vidc_decoder_cmd(void *instance, struct v4l2_decoder_cmd *dec)
 {
 	struct msm_vidc_inst *inst = instance;
+	if (!inst || !inst->core || !dec) {
+		dprintk(VIDC_ERR, "%s invalid params\n", __func__);
+		return -EINVAL;
+	}
 	if (inst->session_type == MSM_VIDC_DECODER)
 		return msm_vdec_cmd(instance, dec);
 	return -EINVAL;
@@ -1335,7 +1343,6 @@
 			mutex_lock(&inst->lock);
 		}
 		mutex_unlock(&inst->lock);
-		msm_smem_delete_client(inst->mem_client);
 		debugfs_remove_recursive(inst->debugfs_root);
 	}
 }
@@ -1393,7 +1400,9 @@
 	for (i = 0; i < MAX_PORT_NUM; i++)
 		vb2_queue_release(&inst->bufq[i].vb2_bufq);
 
+	msm_smem_delete_client(inst->mem_client);
 	pr_info(VIDC_DBG_TAG "Closed video instance: %p\n", VIDC_INFO, inst);
 	kfree(inst);
+
 	return 0;
 }
diff --git a/drivers/media/platform/msm/vidc/q6_hfi.c b/drivers/media/platform/msm/vidc/q6_hfi.c
index e70635d..5404af6 100644
--- a/drivers/media/platform/msm/vidc/q6_hfi.c
+++ b/drivers/media/platform/msm/vidc/q6_hfi.c
@@ -554,6 +554,10 @@
 
 	new_session = (struct hal_session *)
 		kzalloc(sizeof(struct hal_session), GFP_KERNEL);
+	if (!new_session) {
+		dprintk(VIDC_ERR, "new session fail: Out of memory\n");
+		return NULL;
+	}
 	new_session->session_id = (u32) session_id;
 	if (session_type == 1)
 		new_session->is_decoder = 0;
diff --git a/drivers/media/platform/msm/vidc/venus_hfi.c b/drivers/media/platform/msm/vidc/venus_hfi.c
index 4fcd20e..eaa5beb 100644
--- a/drivers/media/platform/msm/vidc/venus_hfi.c
+++ b/drivers/media/platform/msm/vidc/venus_hfi.c
@@ -527,6 +527,25 @@
 	return rc;
 }
 
+static void venus_hfi_set_registers(struct venus_hfi_device *device)
+{
+	struct reg_set *reg_set;
+	int i;
+
+	if (!device->res) {
+		dprintk(VIDC_ERR,
+			"device resources null, cannot set registers\n");
+		return;
+	}
+
+	reg_set = &device->res->reg_set;
+	for (i = 0; i < reg_set->count; i++) {
+		venus_hfi_write_register(device,
+				reg_set->reg_tbl[i].reg,
+				reg_set->reg_tbl[i].value, 0);
+	}
+}
+
 static int venus_hfi_core_start_cpu(struct venus_hfi_device *device)
 {
 	u32 ctrl_status = 0, count = 0, rc = 0;
@@ -962,6 +981,7 @@
 
 	device->power_enabled = 0;
 	--device->pwr_cnt;
+	dprintk(VIDC_INFO, "entering power collapse\n");
 already_disabled:
 	return rc;
 }
@@ -1001,18 +1021,45 @@
 		goto err_enable_clk;
 	}
 
+
+	/*
+	 * Re-program all of the registers that get reset as a result of
+	 * regulator_disable() and _enable()
+	 */
+	venus_hfi_set_registers(device);
+
+	venus_hfi_write_register(device, VIDC_UC_REGION_ADDR,
+			(u32)device->iface_q_table.align_device_addr, 0);
+	venus_hfi_write_register(device,
+			VIDC_UC_REGION_SIZE, SHARED_QSIZE, 0);
+	venus_hfi_write_register(device, VIDC_CPU_CS_SCIACMDARG2,
+		(u32)device->iface_q_table.align_device_addr,
+		device->iface_q_table.align_virtual_addr);
+
+	if (!IS_ERR_OR_NULL(device->sfr.align_device_addr))
+		venus_hfi_write_register(device, VIDC_SFR_ADDR,
+				(u32)device->sfr.align_device_addr, 0);
+	if (!IS_ERR_OR_NULL(device->qdss.align_device_addr))
+		venus_hfi_write_register(device, VIDC_MMAP_ADDR,
+				(u32)device->qdss.align_device_addr, 0);
+
+	/* Reboot the firmware */
 	rc = venus_hfi_tzbsp_set_video_state(TZBSP_VIDEO_STATE_RESUME);
 	if (rc) {
 		dprintk(VIDC_ERR, "Failed to resume video core %d\n", rc);
 		goto err_set_video_state;
 	}
+
+	/* Wait for boot completion */
 	rc = venus_hfi_reset_core(device);
 	if (rc) {
 		dprintk(VIDC_ERR, "Failed to reset venus core");
 		goto err_reset_core;
 	}
+
 	device->power_enabled = 1;
 	++device->pwr_cnt;
+	dprintk(VIDC_INFO, "resuming from power collapse\n");
 	return rc;
 err_reset_core:
 	venus_hfi_tzbsp_set_video_state(TZBSP_VIDEO_STATE_SUSPEND);
@@ -1497,25 +1544,6 @@
 	return -ENOMEM;
 }
 
-static void venus_hfi_set_registers(struct venus_hfi_device *device)
-{
-	struct reg_set *reg_set;
-	int i;
-
-	if (!device->res) {
-		dprintk(VIDC_ERR,
-			"device resources null, cannot set registers\n");
-		return;
-	}
-
-	reg_set = &device->res->reg_set;
-	for (i = 0; i < reg_set->count; i++) {
-		venus_hfi_write_register(device,
-				reg_set->reg_tbl[i].reg,
-				reg_set->reg_tbl[i].value, 0);
-	}
-}
-
 static int venus_hfi_sys_set_debug(struct venus_hfi_device *device, int debug)
 {
 	u8 packet[VIDC_IFACEQ_VAR_SMALL_PKT_SIZE];
@@ -1561,9 +1589,6 @@
 
 	dev->intr_status = 0;
 	INIT_LIST_HEAD(&dev->sess_head);
-	mutex_init(&dev->read_lock);
-	mutex_init(&dev->write_lock);
-	mutex_init(&dev->session_lock);
 	venus_hfi_set_registers(dev);
 
 	if (!dev->hal_client) {
@@ -3301,7 +3326,6 @@
 			__func__, device);
 		return -EINVAL;
 	}
-	mutex_init(&device->clk_pwr_lock);
 	device->clk_gating_level = VCODEC_CLK;
 	rc = venus_hfi_iommu_attach(device);
 	if (rc) {
@@ -3574,6 +3598,11 @@
 		goto error_createq_pm;
 	}
 
+	mutex_init(&hdevice->read_lock);
+	mutex_init(&hdevice->write_lock);
+	mutex_init(&hdevice->session_lock);
+	mutex_init(&hdevice->clk_pwr_lock);
+
 	if (hal_ctxt.dev_count == 0)
 		INIT_LIST_HEAD(&hal_ctxt.dev_head);
 
diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c
index 000e5b1..efafa23 100644
--- a/drivers/misc/qseecom.c
+++ b/drivers/misc/qseecom.c
@@ -542,10 +542,6 @@
 		__qseecom_decrease_clk_ref_count(CLK_QSEE);
 		del_timer_sync(&(qseecom.bw_scale_down_timer));
 	}
-	qseecom.bw_scale_down_timer.expires = jiffies +
-				msecs_to_jiffies(duration);
-	add_timer(&(qseecom.bw_scale_down_timer));
-	qseecom.timer_running = true;
 	mutex_unlock(&qsee_bw_mutex);
 	return ret;
 }
@@ -606,6 +602,14 @@
 {
 	if (!qseecom.support_bus_scaling)
 		qsee_disable_clock_vote(data, CLK_SFPB);
+	else {
+		mutex_lock(&qsee_bw_mutex);
+		qseecom.bw_scale_down_timer.expires = jiffies +
+			msecs_to_jiffies(QSEECOM_LOAD_APP_CRYPTO_TIMEOUT);
+		add_timer(&(qseecom.bw_scale_down_timer));
+		qseecom.timer_running = true;
+		mutex_unlock(&qsee_bw_mutex);
+	}
 	return;
 }
 
@@ -1085,16 +1089,13 @@
 		return -EINVAL;
 	}
 
-	if (((uint32_t)req_ptr->cmd_req_buf <
-			data_ptr->client.user_virt_sb_base)
-			|| ((uint32_t)req_ptr->cmd_req_buf >=
-			(data_ptr->client.user_virt_sb_base +
-			data_ptr->client.sb_length))) {
-		pr_err("cmd buffer address not within shared bufffer\n");
+	/* Clients need to ensure req_buf is at base offset of shared buffer */
+	if ((uint32_t)req_ptr->cmd_req_buf !=
+			data_ptr->client.user_virt_sb_base) {
+		pr_err("cmd buf not pointing to base offset of shared buffer\n");
 		return -EINVAL;
 	}
 
-
 	if (((uint32_t)req_ptr->resp_buf < data_ptr->client.user_virt_sb_base)
 			|| ((uint32_t)req_ptr->resp_buf >=
 			(data_ptr->client.user_virt_sb_base +
@@ -1113,8 +1114,6 @@
 					(uint32_t)req_ptr->resp_buf));
 	send_svc_ireq_ptr->rsp_len = req_ptr->resp_len;
 
-	pr_debug("CMD ID (%x), KEY_TYPE (%d)\n", send_svc_ireq_ptr->qsee_cmd_id,
-	((struct qseecom_rpmb_provision_key *)req_ptr->cmd_req_buf)->key_type);
 	return ret;
 }
 
@@ -1139,6 +1138,21 @@
 		return -EINVAL;
 	}
 
+	if (data->client.sb_virt == NULL) {
+		pr_err("sb_virt null\n");
+		return -EINVAL;
+	}
+
+	if (data->client.user_virt_sb_base == 0) {
+		pr_err("user_virt_sb_base is null\n");
+		return -EINVAL;
+	}
+
+	if (data->client.sb_length == 0) {
+		pr_err("sb_length is 0\n");
+		return -EINVAL;
+	}
+
 	data->type = QSEECOM_SECURE_SERVICE;
 
 	switch (req.cmd_id) {
@@ -1188,7 +1202,16 @@
 		if (!qseecom.support_bus_scaling) {
 			qsee_disable_clock_vote(data, CLK_DFAB);
 			qsee_disable_clock_vote(data, CLK_SFPB);
+		} else {
+			mutex_lock(&qsee_bw_mutex);
+			qseecom.bw_scale_down_timer.expires = jiffies +
+				msecs_to_jiffies(
+				QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
+			add_timer(&(qseecom.bw_scale_down_timer));
+			qseecom.timer_running = true;
+			mutex_unlock(&qsee_bw_mutex);
 		}
+
 		goto exit;
 	}
 
@@ -1212,6 +1235,18 @@
 		ret = -EINVAL;
 		break;
 	}
+	if (!qseecom.support_bus_scaling) {
+		qsee_disable_clock_vote(data, CLK_DFAB);
+		qsee_disable_clock_vote(data, CLK_SFPB);
+	} else {
+		mutex_lock(&qsee_bw_mutex);
+		qseecom.bw_scale_down_timer.expires = jiffies +
+			msecs_to_jiffies(QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
+		add_timer(&(qseecom.bw_scale_down_timer));
+		qseecom.timer_running = true;
+		mutex_unlock(&qsee_bw_mutex);
+	}
+
 exit:
 	return ret;
 }
@@ -2048,6 +2083,14 @@
 		qseecom_scale_bus_bandwidth_timer(INACTIVE,
 					QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
 	ret = __qseecom_send_cmd(data, &req);
+	if (qseecom.support_bus_scaling) {
+		mutex_lock(&qsee_bw_mutex);
+		qseecom.bw_scale_down_timer.expires = jiffies +
+			msecs_to_jiffies(QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
+		add_timer(&(qseecom.bw_scale_down_timer));
+		qseecom.timer_running = true;
+		mutex_unlock(&qsee_bw_mutex);
+	}
 
 	atomic_dec(&data->ioctl_count);
 	mutex_unlock(&app_access_lock);
@@ -3172,6 +3215,15 @@
 					QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
 		atomic_inc(&data->ioctl_count);
 		ret = qseecom_send_cmd(data, argp);
+		if (qseecom.support_bus_scaling) {
+			mutex_lock(&qsee_bw_mutex);
+			qseecom.bw_scale_down_timer.expires = jiffies +
+				msecs_to_jiffies(
+				QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
+			add_timer(&(qseecom.bw_scale_down_timer));
+			qseecom.timer_running = true;
+			mutex_unlock(&qsee_bw_mutex);
+		}
 		atomic_dec(&data->ioctl_count);
 		wake_up_all(&data->abort_wq);
 		mutex_unlock(&app_access_lock);
@@ -3195,7 +3247,15 @@
 					QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
 		atomic_inc(&data->ioctl_count);
 		ret = qseecom_send_modfd_cmd(data, argp);
-		atomic_dec(&data->ioctl_count);
+		if (qseecom.support_bus_scaling) {
+			mutex_lock(&qsee_bw_mutex);
+			qseecom.bw_scale_down_timer.expires = jiffies +
+				msecs_to_jiffies(
+				QSEECOM_SEND_CMD_CRYPTO_TIMEOUT);
+			add_timer(&(qseecom.bw_scale_down_timer));
+			qseecom.timer_running = true;
+			mutex_unlock(&qsee_bw_mutex);
+		}		atomic_dec(&data->ioctl_count);
 		wake_up_all(&data->abort_wq);
 		mutex_unlock(&app_access_lock);
 		if (ret)
@@ -3844,6 +3904,7 @@
 
 	/* register client for bus scaling */
 	if (pdev->dev.of_node) {
+		qseecom.pdev->of_node = pdev->dev.of_node;
 		qseecom.support_bus_scaling =
 				of_property_read_bool((&pdev->dev)->of_node,
 						"qcom,support-bus-scaling");
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 9c6bef6..6de1cde 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -2638,15 +2638,13 @@
 	struct mmc_host *host = card->host;
 	unsigned long flags;
 
+	if (req && !mq->mqrq_prev->req) {
+		mmc_rpm_hold(host, &card->dev);
 #ifdef CONFIG_MMC_BLOCK_DEFERRED_RESUME
 	if (mmc_bus_needs_resume(card->host)) {
 		mmc_resume_bus(card->host);
-		mmc_blk_set_blksize(md, card);
 	}
 #endif
-
-	if (req && !mq->mqrq_prev->req) {
-		mmc_rpm_hold(host, &card->dev);
 		/* claim host only for the first request */
 		mmc_claim_host(card->host);
 		if (card->ext_csd.bkops_en)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index c496077..1feb26b 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -983,6 +983,10 @@
  */
 void mmc_wait_for_req(struct mmc_host *host, struct mmc_request *mrq)
 {
+#ifdef CONFIG_MMC_BLOCK_DEFERRED_RESUME
+	if (mmc_bus_needs_resume(host))
+		mmc_resume_bus(host);
+#endif
 	__mmc_start_req(host, mrq);
 	mmc_wait_for_req_done(host, mrq);
 }
@@ -2011,9 +2015,6 @@
 		host->bus_ops->resume(host);
 	}
 
-	if (host->bus_ops->detect && !host->bus_dead)
-		host->bus_ops->detect(host);
-
 	mmc_bus_put(host);
 	printk("%s: Deferred resume completed\n", mmc_hostname(host));
 	return 0;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 885d0d2..63952e7 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -340,6 +340,8 @@
 	card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE];
 	mmc_select_card_type(card);
 
+	card->ext_csd.raw_drive_strength = ext_csd[EXT_CSD_DRIVE_STRENGTH];
+
 	card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT];
 	card->ext_csd.raw_erase_timeout_mult =
 		ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT];
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 32f5220..822548e 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1503,7 +1503,8 @@
 		mrq->cmd->error = -EIO;
 		if (mrq->data)
 			mrq->data->error = -EIO;
-		tasklet_schedule(&host->finish_tasklet);
+		mmc_request_done(host->mmc, mrq);
+		sdhci_runtime_pm_put(host);
 		return;
 	}
 
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 0fde9fc..40d3d9f 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1224,7 +1224,11 @@
 		mtd = open_mtd_device(p->name);
 		if (IS_ERR(mtd)) {
 			err = PTR_ERR(mtd);
-			goto out_detach;
+			ubi_err("cannot open mtd %s, error %d", p->name, err);
+			/* See comment below re-ubi_is_module(). */
+			if (ubi_is_module())
+				goto out_detach;
+			continue;
 		}
 
 		mutex_lock(&ubi_devices_mutex);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 7c1a9bf..444e4ff 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -712,6 +712,9 @@
 		if (!(e2->ec - e1->ec >= UBI_WL_THRESHOLD)) {
 			dbg_wl("no WL needed: min used EC %d, max free EC %d",
 			       e1->ec, e2->ec);
+
+			/* Give the unused PEB back */
+			wl_tree_add(e2, &ubi->free);
 			goto out_cancel;
 		}
 		paranoid_check_in_wl_tree(ubi, e1, &ubi->used);
diff --git a/drivers/net/usb/rmnet_usb_data.c b/drivers/net/usb/rmnet_usb_data.c
index b0db01e..84b3324 100644
--- a/drivers/net/usb/rmnet_usb_data.c
+++ b/drivers/net/usb/rmnet_usb_data.c
@@ -550,8 +550,7 @@
 		break;
 
 	default:
-		dev_err(&unet->intf->dev, "[%s] error: "
-			"rmnet_ioct called for unsupported cmd[%d]",
+		dev_dbg(&unet->intf->dev, "[%s] error: rmnet_ioctl called for unsupported cmd[0x%x]\n",
 			dev->name, cmd);
 		return -EINVAL;
 	}
diff --git a/drivers/net/wireless/wcnss/wcnss_wlan.c b/drivers/net/wireless/wcnss/wcnss_wlan.c
index 38c70a3..a3e88b4 100644
--- a/drivers/net/wireless/wcnss/wcnss_wlan.c
+++ b/drivers/net/wireless/wcnss/wcnss_wlan.c
@@ -36,9 +36,11 @@
 #include <linux/mfd/pm8xxx/misc.h>
 #include <linux/qpnp/qpnp-adc.h>
 
+#include <mach/board.h>
 #include <mach/msm_smd.h>
 #include <mach/msm_iomap.h>
 #include <mach/subsystem_restart.h>
+#include <mach/subsystem_notif.h>
 
 #ifdef CONFIG_WCNSS_MEM_PRE_ALLOC
 #include "wcnss_prealloc.h"
@@ -144,6 +146,20 @@
 #define MSM_PRONTO_PLL_BASE				0xfb21b1c0
 #define PRONTO_PLL_STATUS_OFFSET		0x1c
 
+#define MSM_PRONTO_MCU_BASE			0xfb080c00
+#define MCU_CBR_CCAHB_ERR_OFFSET		0x380
+#define MCU_CBR_CAHB_ERR_OFFSET			0x384
+#define MCU_CBR_CCAHB_TIMEOUT_OFFSET		0x388
+#define MCU_CBR_CAHB_TIMEOUT_OFFSET		0x38c
+#define MCU_DBR_CDAHB_ERR_OFFSET		0x390
+#define MCU_DBR_DAHB_ERR_OFFSET			0x394
+#define MCU_DBR_CDAHB_TIMEOUT_OFFSET		0x398
+#define MCU_DBR_DAHB_TIMEOUT_OFFSET		0x39c
+#define MCU_FDBR_CDAHB_ERR_OFFSET		0x3a0
+#define MCU_FDBR_FDAHB_ERR_OFFSET		0x3a4
+#define MCU_FDBR_CDAHB_TIMEOUT_OFFSET		0x3a8
+#define MCU_FDBR_FDAHB_TIMEOUT_OFFSET		0x3ac
+
 #define MSM_PRONTO_TXP_STATUS           0xfb08040c
 #define MSM_PRONTO_TXP_PHY_ABORT        0xfb080488
 #define MSM_PRONTO_BRDG_ERR_SRC         0xfb080fb0
@@ -188,6 +204,7 @@
 
 /* max 20mhz channel count */
 #define WCNSS_MAX_CH_NUM			45
+#define WCNSS_MAX_PIL_RETRY			3
 
 #define VALID_VERSION(version) \
 	((strncmp(version, "INVALID", WCNSS_VERSION_LEN)) ? 1 : 0)
@@ -360,6 +377,7 @@
 	void __iomem *pronto_ccpu_base;
 	void __iomem *pronto_saw2_base;
 	void __iomem *pronto_pll_base;
+	void __iomem *pronto_mcu_base;
 	void __iomem *wlan_tx_status;
 	void __iomem *wlan_tx_phy_aborts;
 	void __iomem *wlan_brdg_err_source;
@@ -389,6 +407,7 @@
 	struct mutex vbat_monitor_mutex;
 	u16 unsafe_ch_count;
 	u16 unsafe_ch_list[WCNSS_MAX_CH_NUM];
+	void *wcnss_notif_hdle;
 } *penv = NULL;
 
 static ssize_t wcnss_wlan_macaddr_store(struct device *dev,
@@ -561,45 +580,47 @@
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_SPARE_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PRONTO_PMU_SPARE %08x\n", __func__, reg);
+	pr_err("PRONTO_PMU_SPARE %08x\n", reg);
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_CPU_CBCR_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PRONTO_PMU_COM_CPU_CBCR %08x\n",
-						__func__, reg);
+	pr_err("PRONTO_PMU_COM_CPU_CBCR %08x\n", reg);
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_AHB_CBCR_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PRONTO_PMU_COM_AHB_CBCR %08x\n",
-						__func__, reg);
+	pr_err("PRONTO_PMU_COM_AHB_CBCR %08x\n", reg);
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_CFG_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PRONTO_PMU_CFG %08x\n", __func__, reg);
+	pr_err("PRONTO_PMU_CFG %08x\n", reg);
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_CSR_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PRONTO_PMU_COM_CSR %08x\n",
-						__func__, reg);
+	pr_err("PRONTO_PMU_COM_CSR %08x\n", reg);
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_SOFT_RESET_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PRONTO_PMU_SOFT_RESET %08x\n",
-						__func__, reg);
+	pr_err("PRONTO_PMU_SOFT_RESET %08x\n", reg);
 
 	reg_addr = penv->pronto_saw2_base + PRONTO_SAW2_SPM_STS_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: PRONTO_SAW2_SPM_STS %08x\n", __func__, reg);
+	pr_err("PRONTO_SAW2_SPM_STS %08x\n", reg);
+
+	reg_addr = penv->pronto_pll_base + PRONTO_PLL_STATUS_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("PRONTO_PLL_STATUS %08x\n", reg);
+
+	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_CPU_AHB_CMD_RCGR_OFFSET;
+	reg4 = readl_relaxed(reg_addr);
+	pr_err("PMU_CPU_CMD_RCGR %08x\n", reg4);
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_GDSCR_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PRONTO_PMU_COM_GDSCR %08x\n",
-						__func__, reg);
+	pr_err("PRONTO_PMU_COM_GDSCR %08x\n", reg);
 	reg >>= 31;
 
 	if (!reg) {
-		pr_info_ratelimited("%s:  Cannot log, Pronto common SS is power collapsed\n",
-				__func__);
+		pr_err("Cannot log, Pronto common SS is power collapsed\n");
 		return;
 	}
 	reg &= ~(PRONTO_PMU_COM_GDSCR_SW_COLLAPSE
@@ -613,35 +634,31 @@
 
 	reg_addr = penv->pronto_a2xb_base + A2XB_CFG_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: A2XB_CFG_OFFSET %08x\n", __func__, reg);
+	pr_err("A2XB_CFG_OFFSET %08x\n", reg);
 
 	reg_addr = penv->pronto_a2xb_base + A2XB_INT_SRC_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: A2XB_INT_SRC_OFFSET %08x\n", __func__, reg);
+	pr_err("A2XB_INT_SRC_OFFSET %08x\n", reg);
 
 	reg_addr = penv->pronto_a2xb_base + A2XB_ERR_INFO_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: A2XB_ERR_INFO_OFFSET %08x\n", __func__, reg);
+	pr_err("A2XB_ERR_INFO_OFFSET %08x\n", reg);
 
 	reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_INVALID_ADDR_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: CCU_CCPU_INVALID_ADDR %08x\n", __func__, reg);
+	pr_err("CCU_CCPU_INVALID_ADDR %08x\n", reg);
 
 	reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR0_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR0 %08x\n", __func__, reg);
+	pr_err("CCU_CCPU_LAST_ADDR0 %08x\n", reg);
 
 	reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR1_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR1 %08x\n", __func__, reg);
+	pr_err("CCU_CCPU_LAST_ADDR1 %08x\n", reg);
 
 	reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR2_OFFSET;
 	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR2 %08x\n", __func__, reg);
-
-	reg_addr = penv->pronto_pll_base + PRONTO_PLL_STATUS_OFFSET;
-	reg = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s: PRONTO_PLL_STATUS %08x\n", __func__, reg);
+	pr_err("CCU_CCPU_LAST_ADDR2 %08x\n", reg);
 
 	tst_addr = penv->pronto_a2xb_base + A2XB_TSTBUS_OFFSET;
 	tst_ctrl_addr = penv->pronto_a2xb_base + A2XB_TSTBUS_CTRL_OFFSET;
@@ -651,24 +668,21 @@
 	reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_RDFIFO;
 	writel_relaxed(reg, tst_ctrl_addr);
 	reg = readl_relaxed(tst_addr);
-	pr_info_ratelimited("%s:  Read data FIFO testbus %08x\n",
-					__func__, reg);
+	pr_err("Read data FIFO testbus %08x\n", reg);
 
 	/*  command FIFO */
 	reg = 0;
 	reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_CMDFIFO;
 	writel_relaxed(reg, tst_ctrl_addr);
 	reg = readl_relaxed(tst_addr);
-	pr_info_ratelimited("%s:  Command FIFO testbus %08x\n",
-					__func__, reg);
+	pr_err("Command FIFO testbus %08x\n", reg);
 
 	/*  write data FIFO */
 	reg = 0;
 	reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_WRFIFO;
 	writel_relaxed(reg, tst_ctrl_addr);
 	reg = readl_relaxed(tst_addr);
-	pr_info_ratelimited("%s:  Rrite data FIFO testbus %08x\n",
-					__func__, reg);
+	pr_err("Rrite data FIFO testbus %08x\n", reg);
 
 	/*   AXIM SEL CFG0 */
 	reg = 0;
@@ -676,8 +690,7 @@
 				WCNSS_TSTBUS_CTRL_AXIM_CFG0;
 	writel_relaxed(reg, tst_ctrl_addr);
 	reg = readl_relaxed(tst_addr);
-	pr_info_ratelimited("%s:  AXIM SEL CFG0 testbus %08x\n",
-					__func__, reg);
+	pr_err("AXIM SEL CFG0 testbus %08x\n", reg);
 
 	/*   AXIM SEL CFG1 */
 	reg = 0;
@@ -685,8 +698,7 @@
 				WCNSS_TSTBUS_CTRL_AXIM_CFG1;
 	writel_relaxed(reg, tst_ctrl_addr);
 	reg = readl_relaxed(tst_addr);
-	pr_info_ratelimited("%s:  AXIM SEL CFG1 testbus %08x\n",
-					__func__, reg);
+	pr_err("AXIM SEL CFG1 testbus %08x\n", reg);
 
 	/*   CTRL SEL CFG0 */
 	reg = 0;
@@ -694,8 +706,7 @@
 		WCNSS_TSTBUS_CTRL_CTRL_CFG0;
 	writel_relaxed(reg, tst_ctrl_addr);
 	reg = readl_relaxed(tst_addr);
-	pr_info_ratelimited("%s:  CTRL SEL CFG0 testbus %08x\n",
-					__func__, reg);
+	pr_err("CTRL SEL CFG0 testbus %08x\n", reg);
 
 	/*   CTRL SEL CFG1 */
 	reg = 0;
@@ -703,7 +714,7 @@
 		WCNSS_TSTBUS_CTRL_CTRL_CFG1;
 	writel_relaxed(reg, tst_ctrl_addr);
 	reg = readl_relaxed(tst_addr);
-	pr_info_ratelimited("%s:  CTRL SEL CFG1 testbus %08x\n", __func__, reg);
+	pr_err("CTRL SEL CFG1 testbus %08x\n", reg);
 
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_WLAN_BCR_OFFSET;
@@ -714,30 +725,75 @@
 
 	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_WLAN_AHB_CBCR_OFFSET;
 	reg3 = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PMU_WLAN_AHB_CBCR %08x\n", __func__, reg3);
-
-	reg_addr = penv->msm_wcnss_base + PRONTO_PMU_CPU_AHB_CMD_RCGR_OFFSET;
-	reg4 = readl_relaxed(reg_addr);
-	pr_info_ratelimited("%s:  PMU_CPU_CMD_RCGR %08x\n", __func__, reg4);
+	pr_err("PMU_WLAN_AHB_CBCR %08x\n", reg3);
 
 	if ((reg & PRONTO_PMU_WLAN_BCR_BLK_ARES) ||
 		(reg2 & PRONTO_PMU_WLAN_GDSCR_SW_COLLAPSE) ||
 		(!(reg4 & PRONTO_PMU_CPU_AHB_CMD_RCGR_ROOT_EN)) ||
 		(reg3 & PRONTO_PMU_WLAN_AHB_CBCR_CLK_OFF) ||
 		(!(reg3 & PRONTO_PMU_WLAN_AHB_CBCR_CLK_EN))) {
-		pr_info_ratelimited("%s:  Cannot log, wlan domain is power collapsed\n",
-				__func__);
+		pr_err("Cannot log, wlan domain is power collapsed\n");
 		return;
 	}
 
+	msleep(50);
+
 	reg = readl_relaxed(penv->wlan_tx_phy_aborts);
-	pr_info_ratelimited("%s: WLAN_TX_PHY_ABORTS %08x\n", __func__, reg);
+	pr_err("WLAN_TX_PHY_ABORTS %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_CBR_CCAHB_ERR_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_CBR_CCAHB_ERR %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_CBR_CAHB_ERR_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_CBR_CAHB_ERR %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_CBR_CCAHB_TIMEOUT_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_CBR_CCAHB_TIMEOUT %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_CBR_CAHB_TIMEOUT_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_CBR_CAHB_TIMEOUT %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_DBR_CDAHB_ERR_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_DBR_CDAHB_ERR %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_DBR_DAHB_ERR_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_DBR_DAHB_ERR %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_DBR_CDAHB_TIMEOUT_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_DBR_CDAHB_TIMEOUT %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_DBR_DAHB_TIMEOUT_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_DBR_DAHB_TIMEOUT %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_FDBR_CDAHB_ERR_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_FDBR_CDAHB_ERR %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_FDBR_FDAHB_ERR_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_FDBR_FDAHB_ERR %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_FDBR_CDAHB_TIMEOUT_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_FDBR_CDAHB_TIMEOUT %08x\n", reg);
+
+	reg_addr = penv->pronto_mcu_base + MCU_FDBR_FDAHB_TIMEOUT_OFFSET;
+	reg = readl_relaxed(reg_addr);
+	pr_err("MCU_FDBR_FDAHB_TIMEOUT %08x\n", reg);
 
 	reg = readl_relaxed(penv->wlan_brdg_err_source);
-	pr_info_ratelimited("%s: WLAN_BRDG_ERR_SOURCE %08x\n", __func__, reg);
+	pr_err("WLAN_BRDG_ERR_SOURCE %08x\n", reg);
 
 	reg = readl_relaxed(penv->wlan_tx_status);
-	pr_info_ratelimited("%s: WLAN_TX_STATUS %08x\n", __func__, reg);
+	pr_err("WLAN_TXP_STATUS %08x\n", reg);
 
 	reg = readl_relaxed(penv->alarms_txctl);
 	pr_err("ALARMS_TXCTL %08x\n", reg);
@@ -748,6 +804,22 @@
 EXPORT_SYMBOL(wcnss_pronto_log_debug_regs);
 
 #ifdef CONFIG_WCNSS_REGISTER_DUMP_ON_BITE
+static void wcnss_log_iris_regs(void)
+{
+	int i;
+	u32 reg_val;
+	u32 regs_array[] = {
+		0x04, 0x05, 0x11, 0x1e, 0x40, 0x48,
+		0x49, 0x4b, 0x00, 0x01, 0x4d};
+
+	pr_info("IRIS Registers [address] : value\n");
+
+	for (i = 0; i < ARRAY_SIZE(regs_array); i++) {
+		reg_val = wcnss_rf_read_reg(regs_array[i]);
+		pr_info("[0x%08x] : 0x%08x\n", regs_array[i], reg_val);
+	}
+}
+
 void wcnss_log_debug_regs_on_bite(void)
 {
 	struct platform_device *pdev = wcnss_get_platform_device();
@@ -768,10 +840,12 @@
 		clk_rate = clk_get_rate(measure);
 		pr_debug("wcnss: clock frequency is: %luHz\n", clk_rate);
 
-		if (clk_rate)
+		if (clk_rate) {
 			wcnss_pronto_log_debug_regs();
-		else
+		} else {
 			pr_err("clock frequency is zero, cannot access PMU or other registers\n");
+			wcnss_log_iris_regs();
+		}
 	}
 }
 #endif
@@ -2049,6 +2123,7 @@
 	unsigned long wcnss_phys_addr;
 	int size = 0;
 	struct resource *res;
+	int pil_retry = 0;
 	int has_pronto_hw = of_property_read_bool(pdev->dev.of_node,
 									"qcom,has-pronto-hw");
 
@@ -2230,6 +2305,13 @@
 			pr_err("%s: ioremap alarms TACTL failed\n", __func__);
 			goto fail_ioremap11;
 		}
+		penv->pronto_mcu_base = ioremap(MSM_PRONTO_MCU_BASE, SZ_1K);
+		if (!penv->pronto_mcu_base) {
+			ret = -ENOMEM;
+			pr_err("%s: ioremap wcnss physical(mcu) failed\n",
+				__func__);
+			goto fail_ioremap12;
+		}
 	}
 	penv->adc_tm_dev = qpnp_get_adc_tm(&penv->pdev->dev, "wcnss");
 	if (IS_ERR(penv->adc_tm_dev)) {
@@ -2240,12 +2322,17 @@
 		penv->fw_vbatt_state = WCNSS_CONFIG_UNSPECIFIED;
 	}
 
-	/* trigger initialization of the WCNSS */
-	penv->pil = subsystem_get(WCNSS_PIL_DEVICE);
-	if (IS_ERR(penv->pil)) {
-		dev_err(&pdev->dev, "Peripheral Loader failed on WCNSS.\n");
-		ret = PTR_ERR(penv->pil);
-		wcnss_pronto_log_debug_regs();
+	do {
+		/* trigger initialization of the WCNSS */
+		penv->pil = subsystem_get(WCNSS_PIL_DEVICE);
+		if (IS_ERR(penv->pil)) {
+			dev_err(&pdev->dev, "Peripheral Loader failed on WCNSS.\n");
+			ret = PTR_ERR(penv->pil);
+			wcnss_pronto_log_debug_regs();
+		}
+	} while (pil_retry++ < WCNSS_MAX_PIL_RETRY && IS_ERR(penv->pil));
+
+	if (pil_retry >= WCNSS_MAX_PIL_RETRY) {
 		penv->pil = NULL;
 		goto fail_pil;
 	}
@@ -2255,6 +2342,9 @@
 fail_pil:
 	if (penv->riva_ccu_base)
 		iounmap(penv->riva_ccu_base);
+	if (penv->pronto_mcu_base)
+		iounmap(penv->pronto_mcu_base);
+fail_ioremap12:
 	if (penv->alarms_tactl)
 		iounmap(penv->alarms_tactl);
 fail_ioremap11:
@@ -2421,6 +2511,22 @@
 }
 
 
+static int wcnss_notif_cb(struct notifier_block *this, unsigned long code,
+				void *ss_handle)
+{
+	pr_debug("%s: wcnss notification event: %lu\n", __func__, code);
+
+	if (SUBSYS_POWERUP_FAILURE == code)
+		wcnss_pronto_log_debug_regs();
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block wnb = {
+	.notifier_call = wcnss_notif_cb,
+};
+
+
 static const struct file_operations wcnss_node_fops = {
 	.owner = THIS_MODULE,
 	.open = wcnss_node_open,
@@ -2460,6 +2566,13 @@
 		return -ENOENT;
 	}
 
+	/* register wcnss event notification */
+	penv->wcnss_notif_hdle = subsys_notif_register_notifier("wcnss", &wnb);
+	if (IS_ERR(penv->wcnss_notif_hdle)) {
+		pr_err("wcnss: register event notification failed!\n");
+		return PTR_ERR(penv->wcnss_notif_hdle);
+	}
+
 	mutex_init(&penv->dev_lock);
 	mutex_init(&penv->ctrl_lock);
 	mutex_init(&penv->vbat_monitor_mutex);
@@ -2484,6 +2597,8 @@
 static int __devexit
 wcnss_wlan_remove(struct platform_device *pdev)
 {
+	if (penv->wcnss_notif_hdle)
+		subsys_notif_unregister_notifier(penv->wcnss_notif_hdle, &wnb);
 	wcnss_remove_sysfs(&pdev->dev);
 	penv = NULL;
 	return 0;
diff --git a/drivers/nfc/nfc-nci.c b/drivers/nfc/nfc-nci.c
index c6192ed..a44c06c 100644
--- a/drivers/nfc/nfc-nci.c
+++ b/drivers/nfc/nfc-nci.c
@@ -1397,18 +1397,6 @@
 		gpio_set_value(platform_data->dis_gpio, 1);
 		goto err_nfcc_not_present;
 	}
-	regulators.regulator = regulator_get(&client->dev, regulators.name);
-	if (IS_ERR(regulators.regulator)) {
-		r = PTR_ERR(regulators.regulator);
-		pr_err("regulator get of %s failed (%d)\n", regulators.name, r);
-	} else {
-		/* Enable the regulator */
-		r = regulator_enable(regulators.regulator);
-		if (r) {
-			pr_err("vreg %s enable failed (%d)\n",
-				regulators.name, r);
-		}
-	}
 
 	logging_level = 0;
 	/* request irq.  The irq is set whenever the chip has data available
diff --git a/drivers/nfc/nfc-nci.h b/drivers/nfc/nfc-nci.h
index 9bfb77d..297c152 100644
--- a/drivers/nfc/nfc-nci.h
+++ b/drivers/nfc/nfc-nci.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -223,9 +223,3 @@
 	unsigned int	reg;
 };
 #endif
-/* enable LDO */
-struct vregs_info {
-	const char * const name;
-	struct regulator *regulator;
-};
-struct vregs_info regulators = {"vlogic", NULL};
diff --git a/drivers/power/qpnp-bms.c b/drivers/power/qpnp-bms.c
index a0d9a24..2003b69 100644
--- a/drivers/power/qpnp-bms.c
+++ b/drivers/power/qpnp-bms.c
@@ -2205,7 +2205,7 @@
 		pr_err("adc vbat failed err = %d\n", rc);
 		return soc;
 	}
-	if (soc == 0 && vbat_uv > chip->v_cutoff_uv) {
+	if (soc <= 0 && vbat_uv > chip->v_cutoff_uv) {
 		pr_debug("clamping soc to 1, vbat (%d) > cutoff (%d)\n",
 						vbat_uv, chip->v_cutoff_uv);
 		return 1;
diff --git a/drivers/power/qpnp-charger.c b/drivers/power/qpnp-charger.c
index 2dc77e6..0870202 100644
--- a/drivers/power/qpnp-charger.c
+++ b/drivers/power/qpnp-charger.c
@@ -3558,7 +3558,7 @@
 			state == ADC_TM_WARM_STATE ? "warm" : "cool");
 
 	if (state == ADC_TM_WARM_STATE) {
-		if (temp > chip->warm_bat_decidegc) {
+		if (temp >= chip->warm_bat_decidegc) {
 			/* Normal to warm */
 			bat_warm = true;
 			bat_cool = false;
@@ -3566,7 +3566,7 @@
 				chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC;
 			chip->adc_param.state_request =
 				ADC_TM_COOL_THR_ENABLE;
-		} else if (temp >
+		} else if (temp >=
 				chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC){
 			/* Cool to normal */
 			bat_warm = false;
@@ -3578,7 +3578,7 @@
 					ADC_TM_HIGH_LOW_THR_ENABLE;
 		}
 	} else {
-		if (temp < chip->cool_bat_decidegc) {
+		if (temp <= chip->cool_bat_decidegc) {
 			/* Normal to cool */
 			bat_warm = false;
 			bat_cool = true;
@@ -3586,7 +3586,7 @@
 				chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC;
 			chip->adc_param.state_request =
 				ADC_TM_WARM_THR_ENABLE;
-		} else if (temp <
+		} else if (temp <=
 				chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC){
 			/* Warm to normal */
 			bat_warm = false;
diff --git a/drivers/rtc/alarm.c b/drivers/rtc/alarm.c
index 51e176f..06749b9 100644
--- a/drivers/rtc/alarm.c
+++ b/drivers/rtc/alarm.c
@@ -520,8 +520,11 @@
 
 	spin_lock_irqsave(&alarm_slock, flags);
 
-	if (!power_on_alarm)
+	if (!power_on_alarm) {
+		spin_unlock_irqrestore(&alarm_slock, flags);
 		goto disable_alarm;
+	}
+	spin_unlock_irqrestore(&alarm_slock, flags);
 
 	rtc_read_time(alarm_rtc_dev, &rtc_time);
 	getnstimeofday(&wall_time);
@@ -549,11 +552,9 @@
 		pr_alarm(FLOW, "Power-on alarm set to %lu\n",
 				alarm_time);
 
-	spin_unlock_irqrestore(&alarm_slock, flags);
 	return;
 
 disable_alarm:
-	spin_unlock_irqrestore(&alarm_slock, flags);
 	rtc_alarm_irq_enable(alarm_rtc_dev, 0);
 }
 
diff --git a/drivers/slimbus/slim-msm-ngd.c b/drivers/slimbus/slim-msm-ngd.c
index f858822..0f8f1dd 100644
--- a/drivers/slimbus/slim-msm-ngd.c
+++ b/drivers/slimbus/slim-msm-ngd.c
@@ -265,9 +265,13 @@
 	u8 txn_mt;
 	u16 txn_mc = txn->mc;
 	u8 wbuf[SLIM_MSGQ_BUF_LEN];
+	bool report_sat = false;
 
+	if (txn->mc == SLIM_USR_MC_REPORT_SATELLITE &&
+		txn->mt == SLIM_MSG_MT_SRC_REFERRED_USER)
+		report_sat = true;
 	if (!pm_runtime_enabled(dev->dev) && dev->state == MSM_CTRL_ASLEEP &&
-			txn->mc != SLIM_USR_MC_REPORT_SATELLITE) {
+			report_sat == false) {
 		/*
 		 * Counter-part of system-suspend when runtime-pm is not enabled
 		 * This way, resume can be left empty and device will be put in
@@ -295,7 +299,7 @@
 		return 0;
 	}
 	/* If txn is tried when controller is down, wait for ADSP to boot */
-	if (txn->mc != SLIM_USR_MC_REPORT_SATELLITE) {
+	if (!report_sat) {
 		if (dev->state == MSM_CTRL_DOWN) {
 			u8 mc = (u8)txn->mc;
 			int timeout;
@@ -358,8 +362,7 @@
 	}
 	mutex_lock(&dev->tx_lock);
 
-	if (txn->mc != SLIM_USR_MC_REPORT_SATELLITE &&
-		(dev->state != MSM_CTRL_AWAKE)) {
+	if (report_sat == false && dev->state != MSM_CTRL_AWAKE) {
 		dev_err(dev->dev, "controller not ready");
 		mutex_unlock(&dev->tx_lock);
 		msm_slim_put_ctrl(dev);
@@ -436,11 +439,13 @@
 		puc = ((u8 *)pbuf) + 2;
 	if (txn->rbuf)
 		*(puc++) = txn->tid;
-	if ((txn->mt == SLIM_MSG_MT_CORE) &&
+	if (((txn->mt == SLIM_MSG_MT_CORE) &&
 		((txn->mc >= SLIM_MSG_MC_REQUEST_INFORMATION &&
 		txn->mc <= SLIM_MSG_MC_REPORT_INFORMATION) ||
 		(txn->mc >= SLIM_MSG_MC_REQUEST_VALUE &&
-		 txn->mc <= SLIM_MSG_MC_CHANGE_VALUE))) {
+		 txn->mc <= SLIM_MSG_MC_CHANGE_VALUE))) ||
+		(txn->mc == SLIM_USR_MC_REPEAT_CHANGE_VALUE &&
+		txn->mt == SLIM_MSG_MT_DEST_REFERRED_USER)) {
 		*(puc++) = (txn->ec & 0xFF);
 		*(puc++) = (txn->ec >> 8)&0xFF;
 	}
@@ -540,11 +545,49 @@
 	}
 ngd_xfer_err:
 	mutex_unlock(&dev->tx_lock);
-	if (txn_mc != SLIM_USR_MC_REPORT_SATELLITE)
+	if (!report_sat)
 		msm_slim_put_ctrl(dev);
 	return ret ? ret : dev->err;
 }
 
+static int ngd_user_msg(struct slim_controller *ctrl, u8 la, u8 mt, u8 mc,
+				struct slim_ele_access *msg, u8 *buf, u8 len)
+{
+	struct slim_msg_txn txn;
+
+	if (mt != SLIM_MSG_MT_DEST_REFERRED_USER ||
+		mc != SLIM_USR_MC_REPEAT_CHANGE_VALUE) {
+		return -EPROTONOSUPPORT;
+	}
+	if (len > SLIM_MAX_VE_SLC_BYTES ||
+		msg->start_offset > MSM_SLIM_VE_MAX_MAP_ADDR)
+		return -EINVAL;
+	if (len <= 4) {
+		txn.ec = len - 1;
+	} else if (len <= 8) {
+		if (len & 0x1)
+			return -EINVAL;
+		txn.ec = ((len >> 1) + 1);
+	} else {
+		if (len & 0x3)
+			return -EINVAL;
+		txn.ec = ((len >> 2) + 3);
+	}
+	txn.ec |= (0x8 | ((msg->start_offset & 0xF) << 4));
+	txn.ec |= ((msg->start_offset & 0xFF0) << 4);
+
+	txn.la = la;
+	txn.mt = mt;
+	txn.mc = mc;
+	txn.dt = SLIM_MSG_DEST_LOGICALADDR;
+	txn.len = len;
+	txn.rl = len + 6;
+	txn.wbuf = buf;
+	txn.rbuf = NULL;
+	txn.comp = msg->comp;
+	return ngd_xfer_msg(ctrl, &txn);
+}
+
 static int ngd_xferandwait_ack(struct slim_controller *ctrl,
 				struct slim_msg_txn *txn)
 {
@@ -1222,6 +1265,7 @@
 	dev->ctrl.get_laddr = ngd_get_laddr;
 	dev->ctrl.allocbw = ngd_allocbw;
 	dev->ctrl.xfer_msg = ngd_xfer_msg;
+	dev->ctrl.xfer_user_msg = ngd_user_msg;
 	dev->ctrl.wakeup =  ngd_clk_pause_wakeup;
 	dev->ctrl.alloc_port = msm_alloc_port;
 	dev->ctrl.dealloc_port = msm_dealloc_port;
diff --git a/drivers/slimbus/slim-msm.c b/drivers/slimbus/slim-msm.c
index 5d30e54..8589b9f 100644
--- a/drivers/slimbus/slim-msm.c
+++ b/drivers/slimbus/slim-msm.c
@@ -305,7 +305,7 @@
 }
 
 enum slim_port_err msm_slim_port_xfer_status(struct slim_controller *ctr,
-				u8 pn, u8 **done_buf, u32 *done_len)
+				u8 pn, phys_addr_t *done_buf, u32 *done_len)
 {
 	struct msm_slim_ctrl *dev = slim_get_ctrldata(ctr);
 	struct sps_iovec sio;
@@ -313,7 +313,7 @@
 	if (done_len)
 		*done_len = 0;
 	if (done_buf)
-		*done_buf = NULL;
+		*done_buf = 0;
 	if (!dev->pipes[pn].connected)
 		return SLIM_P_DISCONNECT;
 	ret = sps_get_iovec(dev->pipes[pn].sps, &sio);
@@ -321,7 +321,7 @@
 		if (done_len)
 			*done_len = sio.size;
 		if (done_buf)
-			*done_buf = (u8 *)sio.addr;
+			*done_buf = (phys_addr_t)sio.addr;
 	}
 	dev_dbg(dev->dev, "get iovec returned %d\n", ret);
 	return SLIM_P_INPROGRESS;
@@ -346,7 +346,7 @@
 		complete(comp);
 }
 
-int msm_slim_port_xfer(struct slim_controller *ctrl, u8 pn, u8 *iobuf,
+int msm_slim_port_xfer(struct slim_controller *ctrl, u8 pn, phys_addr_t iobuf,
 			u32 len, struct completion *comp)
 {
 	struct sps_register_event sreg;
@@ -366,7 +366,7 @@
 		dev_dbg(dev->dev, "sps register event error:%x\n", ret);
 		return ret;
 	}
-	ret = sps_transfer_one(dev->pipes[pn].sps, (u32)iobuf, len, comp,
+	ret = sps_transfer_one(dev->pipes[pn].sps, iobuf, len, comp,
 				SPS_IOVEC_FLAG_INT);
 	dev_dbg(dev->dev, "sps submit xfer error code:%x\n", ret);
 	if (!ret) {
diff --git a/drivers/slimbus/slim-msm.h b/drivers/slimbus/slim-msm.h
index 5ffa300..2327b38 100644
--- a/drivers/slimbus/slim-msm.h
+++ b/drivers/slimbus/slim-msm.h
@@ -37,6 +37,10 @@
 #define SLIM_USR_MC_CONNECT_SINK	0x2D
 #define SLIM_USR_MC_DISCONNECT_PORT	0x2E
 
+#define SLIM_USR_MC_REPEAT_CHANGE_VALUE	0x0
+#define MSM_SLIM_VE_MAX_MAP_ADDR	0xFFF
+#define SLIM_MAX_VE_SLC_BYTES		16
+
 #define MSM_SLIM_AUTOSUSPEND		MSEC_PER_SEC
 
 /*
@@ -306,8 +310,8 @@
 void msm_dealloc_port(struct slim_controller *ctrl, u8 pn);
 int msm_slim_connect_pipe_port(struct msm_slim_ctrl *dev, u8 pn);
 enum slim_port_err msm_slim_port_xfer_status(struct slim_controller *ctr,
-				u8 pn, u8 **done_buf, u32 *done_len);
-int msm_slim_port_xfer(struct slim_controller *ctrl, u8 pn, u8 *iobuf,
+				u8 pn, phys_addr_t *done_buf, u32 *done_len);
+int msm_slim_port_xfer(struct slim_controller *ctrl, u8 pn, phys_addr_t iobuf,
 			u32 len, struct completion *comp);
 int msm_send_msg_buf(struct msm_slim_ctrl *dev, u32 *buf, u8 len, u32 tx_reg);
 u32 *msm_get_msg_buf(struct msm_slim_ctrl *dev, int len);
diff --git a/drivers/slimbus/slimbus.c b/drivers/slimbus/slimbus.c
index caf7a87..fecf5ec 100644
--- a/drivers/slimbus/slimbus.c
+++ b/drivers/slimbus/slimbus.c
@@ -1107,6 +1107,28 @@
 EXPORT_SYMBOL_GPL(slim_xfer_msg);
 
 /*
+ * User message:
+ * slim_user_msg: Send user message that is interpreted by destination device
+ * @sb: Client handle sending the message
+ * @la: Destination device for this user message
+ * @mt: Message Type (Soruce-referred, or Destination-referred)
+ * @mc: Message Code
+ * @msg: Message structure (start offset, number of bytes) to be sent
+ * @buf: data buffer to be sent
+ * @len: data buffer size in bytes
+ */
+int slim_user_msg(struct slim_device *sb, u8 la, u8 mt, u8 mc,
+				struct slim_ele_access *msg, u8 *buf, u8 len)
+{
+	if (!sb || !sb->ctrl || !msg || mt == SLIM_MSG_MT_CORE)
+		return -EINVAL;
+	if (!sb->ctrl->xfer_user_msg)
+		return -EPROTONOSUPPORT;
+	return sb->ctrl->xfer_user_msg(sb->ctrl, la, mt, mc, msg, buf, len);
+}
+EXPORT_SYMBOL(slim_user_msg);
+
+/*
  * slim_alloc_mgrports: Allocate port on manager side.
  * @sb: device/client handle.
  * @req: Port request type.
@@ -1462,7 +1484,7 @@
  * Client will call slim_port_get_xfer_status to get error and/or number of
  * bytes transferred if used asynchronously.
  */
-int slim_port_xfer(struct slim_device *sb, u32 ph, u8 *iobuf, u32 len,
+int slim_port_xfer(struct slim_device *sb, u32 ph, phys_addr_t iobuf, u32 len,
 				struct completion *comp)
 {
 	struct slim_controller *ctrl = sb->ctrl;
@@ -1492,7 +1514,7 @@
  * processed from the multiple transfers.
  */
 enum slim_port_err slim_port_get_xfer_status(struct slim_device *sb, u32 ph,
-			u8 **done_buf, u32 *done_len)
+			phys_addr_t *done_buf, u32 *done_len)
 {
 	struct slim_controller *ctrl = sb->ctrl;
 	u8 pn = SLIM_HDL_TO_PORT(ph);
@@ -1505,7 +1527,7 @@
 	 */
 	if (la != SLIM_LA_MANAGER) {
 		if (done_buf)
-			*done_buf = NULL;
+			*done_buf = 0;
 		if (done_len)
 			*done_len = 0;
 		return SLIM_P_NOT_OWNED;
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index 517ec05..4058bec 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -3,7 +3,7 @@
  * MSM 7k High speed uart driver
  *
  * Copyright (c) 2008 Google Inc.
- * Copyright (c) 2007-2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2007-2014, The Linux Foundation. All rights reserved.
  * Modified: Nick Pelly <npelly@google.com>
  *
  * All source code in this file is licensed under the following license
@@ -94,7 +94,6 @@
 
 #define MSM_HS_DBG(x...) do { \
 	if (hs_serial_debug_mask >= DBG_LEV) { \
-		pr_debug(x); \
 		if (ipc_msm_hs_log_ctxt) \
 			ipc_log_string(ipc_msm_hs_log_ctxt, x); \
 	} \
@@ -102,7 +101,6 @@
 
 #define MSM_HS_INFO(x...) do { \
 	if (hs_serial_debug_mask >= INFO_LEV) {\
-		pr_info(x); \
 		if (ipc_msm_hs_log_ctxt) \
 			ipc_log_string(ipc_msm_hs_log_ctxt, x); \
 	} \
@@ -141,7 +139,7 @@
 	FLUSH_NONE,
 	FLUSH_DATA_READY,
 	FLUSH_DATA_INVALID,  /* values after this indicate invalid data */
-	FLUSH_IGNORE = FLUSH_DATA_INVALID,
+	FLUSH_IGNORE,
 	FLUSH_STOP,
 	FLUSH_SHUTDOWN,
 };
@@ -205,6 +203,8 @@
 	struct delayed_work flip_insert_work;
 	struct tasklet_struct tlet;
 	struct msm_hs_sps_ep_conn_data prod;
+	bool rx_cmd_queued;
+	bool rx_cmd_exec;
 };
 enum buffer_states {
 	NONE_PENDING = 0x0,
@@ -271,6 +271,8 @@
 	int rx_count_callback;
 	bool rx_bam_inprogress;
 	unsigned int *reg_ptr;
+	wait_queue_head_t bam_disconnect_wait;
+
 };
 
 unsigned int regmap_nonblsp[UART_DM_LAST] = {
@@ -344,7 +346,6 @@
 #define BLSP_UART_CLK_FMAX 63160000
 
 static struct dentry *debug_base;
-static struct msm_hs_port q_uart_port[UARTDM_NR];
 static struct platform_driver msm_serial_hs_platform_driver;
 static struct uart_driver msm_hs_driver;
 static struct uart_ops msm_hs_ops;
@@ -352,6 +353,7 @@
 static void msm_serial_hs_rx_tlet(unsigned long tlet_ptr);
 static void flip_insert_work(struct work_struct *work);
 static void msm_hs_bus_voting(struct msm_hs_port *msm_uport, unsigned int vote);
+static struct msm_hs_port *msm_hs_get_hs_port(int port_index);
 
 #define UARTDM_TO_MSM(uart_port) \
 	container_of((uart_port), struct msm_hs_port, uport)
@@ -424,6 +426,7 @@
 			}
 		}
 		msm_uport->clk_state = MSM_HS_CLK_ON;
+		MSM_HS_DBG("%s: Clock ON successful\n", __func__);
 	}
 
 
@@ -432,71 +435,98 @@
 
 static void msm_hs_clock_unvote(struct msm_hs_port *msm_uport)
 {
-	int rc = atomic_dec_return(&msm_uport->clk_count);
+	int rc = atomic_read(&msm_uport->clk_count);
 
-	if (rc < 0) {
-		msm_hs_bus_voting(msm_uport, BUS_RESET);
+	if (rc <= 0) {
 		WARN(rc, "msm_uport->clk_count < 0!");
 		dev_err(msm_uport->uport.dev,
-			"%s: Clocks count invalid  [%d]\n", __func__,
-			atomic_read(&msm_uport->clk_count));
+			"%s: Clocks count invalid  [%d]\n", __func__, rc);
 		return;
 	}
 
+	rc = atomic_dec_return(&msm_uport->clk_count);
 	if (0 == rc) {
-		msm_hs_bus_voting(msm_uport, BUS_RESET);
 		/* Turn off the core clk and iface clk*/
 		clk_disable_unprepare(msm_uport->clk);
 		if (msm_uport->pclk)
 			clk_disable_unprepare(msm_uport->pclk);
+		/* Unvote the PNOC clock */
+		msm_hs_bus_voting(msm_uport, BUS_RESET);
 		msm_uport->clk_state = MSM_HS_CLK_OFF;
+		MSM_HS_DBG("%s: Clock OFF successful\n", __func__);
 	}
 }
 
+/* Check if the uport line number matches with user id stored in pdata.
+ * User id information is stored during initialization. This function
+ * ensues that the same device is selected */
+
+static struct msm_hs_port *get_matching_hs_port(struct platform_device *pdev)
+{
+	struct msm_serial_hs_platform_data *pdata = pdev->dev.platform_data;
+	struct msm_hs_port *msm_uport = msm_hs_get_hs_port(pdev->id);
+
+	if ((!msm_uport) || (msm_uport->uport.line != pdev->id
+	   && msm_uport->uport.line != pdata->userid)) {
+		MSM_HS_ERR("uport line number mismatch!");
+		WARN_ON(1);
+		return NULL;
+	}
+
+	return msm_uport;
+}
+
 static ssize_t show_clock(struct device *dev, struct device_attribute *attr,
 			  char *buf)
 {
 	int state = 1;
+	ssize_t ret = 0;
 	enum msm_hs_clk_states_e clk_state;
 	unsigned long flags;
-
 	struct platform_device *pdev = container_of(dev, struct
 						    platform_device, dev);
-	struct msm_hs_port *msm_uport = &q_uart_port[pdev->id];
+	struct msm_hs_port *msm_uport = get_matching_hs_port(pdev);
 
-	spin_lock_irqsave(&msm_uport->uport.lock, flags);
-	clk_state = msm_uport->clk_state;
-	spin_unlock_irqrestore(&msm_uport->uport.lock, flags);
+	/* This check should not fail */
+	if (msm_uport) {
+		spin_lock_irqsave(&msm_uport->uport.lock, flags);
+		clk_state = msm_uport->clk_state;
+		spin_unlock_irqrestore(&msm_uport->uport.lock, flags);
 
-	if (clk_state <= MSM_HS_CLK_OFF)
-		state = 0;
+		if (clk_state <= MSM_HS_CLK_OFF)
+			state = 0;
+		ret = snprintf(buf, PAGE_SIZE, "%d\n", state);
+	}
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", state);
+	return ret;
 }
 
 static ssize_t set_clock(struct device *dev, struct device_attribute *attr,
 			 const char *buf, size_t count)
 {
 	int state;
+	ssize_t ret = 0;
 	struct platform_device *pdev = container_of(dev, struct
 						    platform_device, dev);
-	struct msm_hs_port *msm_uport = &q_uart_port[pdev->id];
+	struct msm_hs_port *msm_uport = get_matching_hs_port(pdev);
 
-	state = buf[0] - '0';
-	switch (state) {
-	case 0: {
-		msm_hs_request_clock_off(&msm_uport->uport);
-		break;
+	/* This check should not fail */
+	if (msm_uport) {
+		state = buf[0] - '0';
+		switch (state) {
+		case 0:
+			msm_hs_request_clock_off(&msm_uport->uport);
+			ret = count;
+			break;
+		case 1:
+			msm_hs_request_clock_on(&msm_uport->uport);
+			ret = count;
+			break;
+		default:
+			ret = -EINVAL;
+		}
 	}
-	case 1: {
-		msm_hs_request_clock_on(&msm_uport->uport);
-		break;
-	}
-	default: {
-		return -EINVAL;
-	}
-	}
-	return count;
+	return ret;
 }
 
 static DEVICE_ATTR(clock, S_IWUSR | S_IRUGO, show_clock, set_clock);
@@ -583,22 +613,33 @@
 */
 static void dump_uart_hs_registers(struct msm_hs_port *msm_uport)
 {
-	msm_hs_clock_vote(msm_uport);
-	MSM_HS_DBG("============= UART Registers ================\n");
-	MSM_HS_DBG("UART_DM_MR1:%x\n", msm_hs_read(&(msm_uport->uport),
-		UART_DM_MR1));
-	MSM_HS_DBG("UART_DM_MR2:%x\n", msm_hs_read(&(msm_uport->uport),
-		UART_DM_MR2));
-	MSM_HS_DBG("UART_DM_IPR:%x\n", msm_hs_read(&(msm_uport->uport),
-		UART_DM_IPR));
-	MSM_HS_DBG("UART_DM_RFWR:%x\n", msm_hs_read(&(msm_uport->uport),
-		UART_DM_RFWR));
-	MSM_HS_DBG("UART_DM_SR:%x\n", msm_hs_read(&(msm_uport->uport),
-		UART_DM_SR));
-	MSM_HS_DBG("UART_DM_IMR: %x\n", msm_hs_read(&(msm_uport->uport),
-		UART_DM_IMR));
-	MSM_HS_DBG("=============================================\n");
-	msm_hs_clock_unvote(msm_uport);
+	struct uart_port *uport = &(msm_uport->uport);
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
+		return;
+	}
+
+	MSM_HS_DBG(
+	"MR1:%x MR2:%x TFWR:%x RFWR:%x DMEN:%x IMR:%x MISR:%x NCF_TX:%x\n",
+	msm_hs_read(uport, UART_DM_MR1),
+	msm_hs_read(uport, UART_DM_MR2),
+	msm_hs_read(uport, UART_DM_TFWR),
+	msm_hs_read(uport, UART_DM_RFWR),
+	msm_hs_read(uport, UART_DM_DMEN),
+	msm_hs_read(uport, UART_DM_IMR),
+	msm_hs_read(uport, UART_DM_MISR),
+	msm_hs_read(uport, UART_DM_NCF_TX));
+	MSM_HS_INFO("SR:%x ISR:%x DMRX:%x RX_SNAP:%x TXFS:%x RXFS:%x\n",
+	msm_hs_read(uport, UART_DM_SR),
+	msm_hs_read(uport, UART_DM_ISR),
+	msm_hs_read(uport, UART_DM_DMRX),
+	msm_hs_read(uport, UART_DM_RX_TOTAL_SNAP),
+	msm_hs_read(uport, UART_DM_TXFS),
+	msm_hs_read(uport, UART_DM_RXFS));
+	MSM_HS_DBG("clk_req_state:0x%x rx.flush:%u\n",
+				msm_uport->clk_req_off_state,
+					msm_uport->rx.flush);
+	MSM_HS_DBG("clk_state:%d", msm_uport->clk_state);
 }
 
 static void msm_hs_release_port(struct uart_port *port)
@@ -742,9 +783,11 @@
 		return -EINVAL;
 	}
 
-	msm_uport = &q_uart_port[pdev->id];
-	dev = msm_uport->uport.dev;
+	msm_uport = get_matching_hs_port(pdev);
+	if (!msm_uport)
+		return -EINVAL;
 
+	dev = msm_uport->uport.dev;
 	sysfs_remove_file(&pdev->dev.kobj, &dev_attr_clock.attr);
 	debugfs_remove(msm_uport->loopback_dir);
 
@@ -1096,6 +1139,10 @@
 	struct msm_hs_rx *rx = &msm_uport->rx;
 	struct sps_pipe *sps_pipe_handle = rx->prod.pipe_handle;
 
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
+		return;
+	}
 	mutex_lock(&msm_uport->clk_mutex);
 	msm_hs_write(uport, UART_DM_IMR, 0);
 
@@ -1109,6 +1156,8 @@
 	data = msm_hs_read(uport, UART_DM_MR1);
 	data &= ~UARTDM_MR1_RX_RDY_CTL_BMSK;
 	msm_hs_write(uport, UART_DM_MR1, data);
+	/* set RFR_N to high */
+	msm_hs_write(uport, UART_DM_CR, RFR_HIGH);
 
 	/*
 	 * Disable Rx channel of UARTDM
@@ -1195,10 +1244,12 @@
 
 	msm_hs_write(uport, UART_DM_CR, RESET_RX);
 	msm_hs_write(uport, UART_DM_CR, RESET_TX);
+	/* Issue TX BAM Start IFC command */
+	msm_hs_write(uport, UART_DM_CR, START_TX_BAM_IFC);
 
 	if (msm_uport->rx.flush == FLUSH_NONE) {
 		wake_lock(&msm_uport->rx.wake_lock);
-		msm_uport->rx.flush = FLUSH_IGNORE;
+		msm_uport->rx.flush = FLUSH_DATA_INVALID;
 		/*
 		 * Before using dmov APIs make sure that
 		 * previous writel are completed. Hence
@@ -1215,6 +1266,7 @@
 				MSM_HS_ERR("%s(): sps_disconnect failed\n",
 							__func__);
 			msm_hs_spsconnect_rx(uport);
+			msm_uport->rx.flush = FLUSH_IGNORE;
 			msm_serial_hs_rx_tlet((unsigned long) &rx->tlet);
 		} else {
 			msm_uport->rx_discard_flush_issued = true;
@@ -1237,12 +1289,12 @@
 	 * UART Core would trigger RFR if it is not having any space with
 	 * RX FIFO.
 	 */
+	/* Pulling RFR line high */
+	msm_hs_write(uport, UART_DM_CR, RFR_LOW);
 	data = msm_hs_read(uport, UART_DM_MR1);
 	data &= ~(UARTDM_MR1_CTS_CTL_BMSK | UARTDM_MR1_RX_RDY_CTL_BMSK);
-	if (c_cflag & CRTSCTS) {
 		data |= UARTDM_MR1_CTS_CTL_BMSK;
 		data |= UARTDM_MR1_RX_RDY_CTL_BMSK;
-	}
 	msm_hs_write(uport, UART_DM_MR1, data);
 
 	msm_hs_write(uport, UART_DM_IMR, msm_uport->imr_reg);
@@ -1265,6 +1317,7 @@
 	msm_hs_clock_vote(msm_uport);
 	data = msm_hs_read(uport, UART_DM_SR);
 	msm_hs_clock_unvote(msm_uport);
+	MSM_HS_DBG("%s(): SR Reg Read 0x%x", __func__, data);
 
 	if (data & UARTDM_SR_TXEMT_BMSK)
 		ret = TIOCSER_TEMT;
@@ -1300,6 +1353,9 @@
 
 	wake_lock_timeout(&msm_uport->rx.wake_lock, HZ / 2);
 	msm_uport->rx.flush = FLUSH_SHUTDOWN;
+	MSM_HS_DBG("%s: Calling Completion\n", __func__);
+	wake_up(&msm_uport->bam_disconnect_wait);
+	MSM_HS_DBG("%s: Done Completion\n", __func__);
 	wake_up(&msm_uport->rx.wait);
 }
 
@@ -1316,16 +1372,19 @@
 	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
 	unsigned int data;
 
-	/* disable dlink */
-	data = msm_hs_read(uport, UART_DM_DMEN);
-	if (is_blsp_uart(msm_uport))
-		data &= ~UARTDM_RX_BAM_ENABLE_BMSK;
-	else
-		data &= ~UARTDM_RX_DM_EN_BMSK;
-	msm_hs_write(uport, UART_DM_DMEN, data);
+	MSM_HS_DBG("In %s():\n", __func__);
+	if (msm_uport->clk_state != MSM_HS_CLK_OFF) {
+		/* disable dlink */
+		data = msm_hs_read(uport, UART_DM_DMEN);
+		if (is_blsp_uart(msm_uport))
+			data &= ~UARTDM_RX_BAM_ENABLE_BMSK;
+		else
+			data &= ~UARTDM_RX_DM_EN_BMSK;
+		msm_hs_write(uport, UART_DM_DMEN, data);
 
-	/* calling DMOV or CLOCK API. Hence mb() */
-	mb();
+		/* calling DMOV or CLOCK API. Hence mb() */
+		mb();
+	}
 	/* Disable the receiver */
 	if (msm_uport->rx.flush == FLUSH_NONE) {
 		wake_lock(&msm_uport->rx.wake_lock);
@@ -1352,7 +1411,7 @@
 	int aligned_tx_count;
 	dma_addr_t src_addr;
 	dma_addr_t aligned_src_addr;
-	u32 flags = SPS_IOVEC_FLAG_EOT;
+	u32 flags = SPS_IOVEC_FLAG_EOT | SPS_IOVEC_FLAG_INT;
 	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
 	struct msm_hs_tx *tx = &msm_uport->tx;
 	struct circ_buf *tx_buf = &msm_uport->uport.state->xmit;
@@ -1360,6 +1419,12 @@
 
 	if (uart_circ_empty(tx_buf) || uport->state->port.tty->stopped) {
 		msm_hs_stop_tx_locked(uport);
+		if (msm_uport->clk_state == MSM_HS_CLK_REQUEST_OFF) {
+			MSM_HS_DBG("%s(): Clock off requested calling WQ",
+								__func__);
+			queue_work(msm_uport->hsuart_wq,
+						&msm_uport->clock_off_w);
+		}
 		return;
 	}
 
@@ -1385,10 +1450,9 @@
 	dma_sync_single_for_device(uport->dev, aligned_src_addr,
 			aligned_tx_count, DMA_TO_DEVICE);
 
-	if (is_blsp_uart(msm_uport)) {
-		/* Issue TX BAM Start IFC command */
-		msm_hs_write(uport, UART_DM_CR, START_TX_BAM_IFC);
-	} else {
+	if (is_blsp_uart(msm_uport))
+		tx->tx_count = tx_count;
+	else {
 		tx->command_ptr->num_rows =
 				(((tx_count + 15) >> 4) << 16) |
 				((tx_count + 15) >> 4);
@@ -1399,18 +1463,16 @@
 
 		*tx->command_ptr_ptr = CMD_PTR_LP |
 				DMOV_CMD_ADDR(tx->mapped_cmd_ptr);
+		/* Save tx_count to use in Callback */
+		tx->tx_count = tx_count;
+		msm_hs_write(uport, UART_DM_NCF_TX, tx_count);
+		msm_uport->imr_reg &= ~UARTDM_ISR_TX_READY_BMSK;
+		msm_hs_write(uport, UART_DM_IMR, msm_uport->imr_reg);
+		/* Calling next DMOV API. Hence mb() here. */
+		mb();
+
 	}
 
-	/* Save tx_count to use in Callback */
-	tx->tx_count = tx_count;
-	msm_hs_write(uport, UART_DM_NCF_TX, tx_count);
-
-	/* Disable the tx_ready interrupt */
-	msm_uport->imr_reg &= ~UARTDM_ISR_TX_READY_BMSK;
-	msm_hs_write(uport, UART_DM_IMR, msm_uport->imr_reg);
-	/* Calling next DMOV API. Hence mb() here. */
-	mb();
-
 	msm_uport->tx.flush = FLUSH_NONE;
 
 	if (is_blsp_uart(msm_uport)) {
@@ -1439,6 +1501,16 @@
 	unsigned int buffer_pending = msm_uport->rx.buffer_pending;
 	unsigned int data;
 
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
+		return;
+	}
+	if (rx->rx_cmd_exec) {
+		MSM_HS_DBG("%s: Rx Cmd got executed, wait for rx_tlet\n",
+								 __func__);
+		rx->flush = FLUSH_IGNORE;
+		return;
+	}
 	msm_uport->rx.buffer_pending = 0;
 	if (buffer_pending && hs_serial_debug_mask)
 		MSM_HS_ERR("Error: rx started in buffer state = %x",
@@ -1447,8 +1519,6 @@
 	msm_hs_write(uport, UART_DM_CR, RESET_STALE_INT);
 	msm_hs_write(uport, UART_DM_DMRX, UARTDM_RX_BUF_SIZE);
 	msm_hs_write(uport, UART_DM_CR, STALE_EVENT_ENABLE);
-	msm_uport->imr_reg |= UARTDM_ISR_RXLEV_BMSK;
-
 	/*
 	 * Enable UARTDM Rx Interface as previously it has been
 	 * disable in set_termios before configuring baud rate.
@@ -1488,10 +1558,8 @@
 		sps_transfer_one(sps_pipe_handle, rx->rbuffer,
 			UARTDM_RX_BUF_SIZE, msm_uport, flags);
 		msm_uport->rx_bam_inprogress = false;
+		msm_uport->rx.rx_cmd_queued = true;
 		wake_up(&msm_uport->rx.wait);
-	} else {
-		msm_dmov_enqueue_cmd(msm_uport->dma_rx_channel,
-				&msm_uport->rx.xfer);
 	}
 	MSM_HS_DBG("%s:Enqueue Rx Cmd\n", __func__);
 	dump_uart_hs_registers(msm_uport);
@@ -1551,7 +1619,7 @@
 static void msm_serial_hs_rx_tlet(unsigned long tlet_ptr)
 {
 	int retval;
-	int rx_count;
+	int rx_count = 0;
 	unsigned long status;
 	unsigned long flags;
 	unsigned int error_f = 0;
@@ -1571,6 +1639,9 @@
 	notify = &msm_uport->notify;
 	rx = &msm_uport->rx;
 
+	msm_uport->rx.rx_cmd_queued = false;
+	msm_uport->rx.rx_cmd_exec = false;
+
 	status = msm_hs_read(uport, UART_DM_SR);
 
 	spin_lock_irqsave(&uport->lock, flags);
@@ -1619,29 +1690,30 @@
 		}
 	}
 
-	if (error_f)
-		msm_hs_write(uport, UART_DM_CR, RESET_ERROR_STATUS);
-
-	if (msm_uport->clk_req_off_state == CLK_REQ_OFF_FLUSH_ISSUED)
-		msm_uport->clk_req_off_state = CLK_REQ_OFF_RXSTALE_FLUSHED;
+	if (error_f) {
+		if (msm_uport->clk_state == MSM_HS_CLK_ON)
+			msm_hs_write(uport, UART_DM_CR, RESET_ERROR_STATUS);
+		else
+			MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
+	}
 	flush = msm_uport->rx.flush;
 	if (flush == FLUSH_IGNORE)
-		if (!msm_uport->rx.buffer_pending)
+		if (!msm_uport->rx.buffer_pending) {
+			MSM_HS_DBG("%s: calling start_rx_locked\n", __func__);
 			msm_hs_start_rx_locked(uport);
-
-	if (flush == FLUSH_STOP) {
-		msm_uport->rx.flush = FLUSH_SHUTDOWN;
-		wake_up(&msm_uport->rx.wait);
-	}
+		}
 	if (flush >= FLUSH_DATA_INVALID)
 		goto out;
 
 	if (is_blsp_uart(msm_uport)) {
 		rx_count = msm_uport->rx_count_callback;
 	} else {
-		rx_count = msm_hs_read(uport, UART_DM_RX_TOTAL_SNAP);
-		/* order the read of rx.buffer */
-		rmb();
+		if (msm_uport->clk_state == MSM_HS_CLK_ON) {
+			rx_count = msm_hs_read(uport, UART_DM_RX_TOTAL_SNAP);
+			/* order the read of rx.buffer */
+			rmb();
+		} else
+			MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
 	}
 
 	MSM_HS_DBG("%s():[UART_RX]<%d>\n", __func__, rx_count);
@@ -1656,24 +1728,21 @@
 				retval << 5 | (rx_count - retval) << 16;
 		}
 	}
-
-	MSM_HS_DBG("%s() read rx buffer complete", __func__);
-	/* order the read of rx.buffer and the start of next rx xfer */
-	wmb();
-
-	if (!msm_uport->rx.buffer_pending) {
+	if (!msm_uport->rx.buffer_pending && !msm_uport->rx.rx_cmd_queued) {
 		if (is_blsp_uart(msm_uport)) {
 			msm_uport->rx.flush = FLUSH_NONE;
 			msm_uport->rx_bam_inprogress = true;
 			sps_pipe_handle = rx->prod.pipe_handle;
+			MSM_HS_DBG("Queing bam descriptor\n");
 			/* Queue transfer request to SPS */
 			sps_transfer_one(sps_pipe_handle, rx->rbuffer,
 				UARTDM_RX_BUF_SIZE, msm_uport, sps_flags);
 			msm_uport->rx_bam_inprogress = false;
+			msm_uport->rx.rx_cmd_queued = true;
 			wake_up(&msm_uport->rx.wait);
-		} else {
+
+		} else
 			msm_hs_start_rx_locked(uport);
-		}
 	}
 out:
 	if (msm_uport->rx.buffer_pending) {
@@ -1695,8 +1764,12 @@
 {
 	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
 
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
+	}
 	if (msm_uport->tx.tx_ready_int_en == 0) {
-		msm_uport->tx.tx_ready_int_en = 1;
+		if (!is_blsp_uart(msm_uport))
+			msm_uport->tx.tx_ready_int_en = 1;
 		if (msm_uport->tx.dma_in_flight == 0)
 			msm_hs_submit_tx_locked(uport);
 	}
@@ -1718,11 +1791,12 @@
 		((struct sps_event_notify *)notify)->user;
 
 	msm_uport->notify = *notify;
-	MSM_HS_DBG("%s: sps ev_id=%d, addr=0x%x, size=0x%x, flags=0x%x\n",
-		__func__, notify->event_id,
-		notify->data.transfer.iovec.addr,
-		notify->data.transfer.iovec.size,
-		notify->data.transfer.iovec.flags);
+	MSM_HS_DBG("%s: ev_id=%d, addr=0x%x, size=0x%x, flags=0x%x, line=%d\n",
+			__func__, notify->event_id,
+	notify->data.transfer.iovec.addr,
+	notify->data.transfer.iovec.size,
+	notify->data.transfer.iovec.flags,
+	msm_uport->uport.line);
 
 	tasklet_schedule(&msm_uport->tx.tlet);
 }
@@ -1756,6 +1830,35 @@
 	unsigned long flags;
 	struct msm_hs_port *msm_uport = container_of((struct tasklet_struct *)
 				tlet_ptr, struct msm_hs_port, tx.tlet);
+	struct uart_port *uport = &msm_uport->uport;
+	struct circ_buf *tx_buf = &uport->state->xmit;
+	struct msm_hs_tx *tx = &msm_uport->tx;
+
+	/*
+	 * Do the work buffer related work in BAM
+	 * mode that is equivalent to legacy mode
+	 */
+
+	if (!msm_uport->tty_flush_receive)
+		tx_buf->tail = (tx_buf->tail +
+		tx->tx_count) & ~UART_XMIT_SIZE;
+	else
+		msm_uport->tty_flush_receive = false;
+
+	tx->dma_in_flight = 0;
+
+	uport->icount.tx += tx->tx_count;
+
+	/*
+	 * Calling to send next chunk of data
+	 * If the circ buffer is empty, we stop
+	 * If the clock off was requested, the clock
+	 * off sequence is kicked off
+	 */
+	 msm_hs_submit_tx_locked(uport);
+
+	if (uart_circ_chars_pending(tx_buf) < WAKEUP_CHARS)
+		uart_write_wakeup(uport);
 
 	spin_lock_irqsave(&(msm_uport->uport.lock), flags);
 	if (msm_uport->tx.flush == FLUSH_STOP) {
@@ -1765,10 +1868,14 @@
 		return;
 	}
 
-	msm_uport->imr_reg |= UARTDM_ISR_TX_READY_BMSK;
-	msm_hs_write(&(msm_uport->uport), UART_DM_IMR, msm_uport->imr_reg);
-	/* Calling clk API. Hence mb() requires. */
-	mb();
+	/* TX_READY_BMSK only if non BAM mode */
+	if (!is_blsp_uart(msm_uport)) {
+		msm_uport->imr_reg |= UARTDM_ISR_TX_READY_BMSK;
+		msm_hs_write(&(msm_uport->uport), UART_DM_IMR,
+					msm_uport->imr_reg);
+		/* Calling clk API. Hence mb() requires. */
+		mb();
+	}
 
 	spin_unlock_irqrestore(&(msm_uport->uport.lock), flags);
 	MSM_HS_DBG("In %s()\n", __func__);
@@ -1804,6 +1911,7 @@
 	if (msm_uport->rx.flush == FLUSH_NONE) {
 		spin_lock_irqsave(&uport->lock, flags);
 		msm_uport->rx_count_callback = notify->data.transfer.iovec.size;
+		msm_uport->rx.rx_cmd_exec = true;
 		spin_unlock_irqrestore(&uport->lock, flags);
 		tasklet_schedule(&msm_uport->rx.tlet);
 	}
@@ -1873,7 +1981,12 @@
 {
 	unsigned int set_rts;
 	unsigned int data;
+	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
 
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s:Failed.Clocks are OFF\n", __func__);
+		return;
+	}
 	/* RTS is active low */
 	set_rts = TIOCM_RTS & mctrl ? 0 : 1;
 
@@ -1911,6 +2024,11 @@
 {
 	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
 
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s:Failed.Clocks are OFF\n", __func__);
+		return;
+	}
+
 	/* Enable DELTA_CTS Interrupt */
 	msm_uport->imr_reg |= UARTDM_ISR_DELTA_CTS_BMSK;
 	msm_hs_write(uport, UART_DM_IMR, msm_uport->imr_reg);
@@ -1935,6 +2053,12 @@
 static void msm_hs_break_ctl(struct uart_port *uport, int ctl)
 {
 	unsigned long flags;
+	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
+
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
+		return;
+	}
 
 	spin_lock_irqsave(&uport->lock, flags);
 	msm_hs_write(uport, UART_DM_CR, ctl ? START_BREAK : STOP_BREAK);
@@ -1967,6 +2091,12 @@
 /*  Handle CTS changes (Called from interrupt handler) */
 static void msm_hs_handle_delta_cts_locked(struct uart_port *uport)
 {
+	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
+
+	if (msm_uport->clk_state != MSM_HS_CLK_ON) {
+		MSM_HS_WARN("%s: Failed.Clocks are OFF\n", __func__);
+		return;
+	}
 	/* clear interrupt */
 	msm_hs_write(uport, UART_DM_CR, RESET_CTS);
 	/* Calling CLOCK API. Hence mb() requires here. */
@@ -1986,60 +2116,47 @@
 {
 	unsigned long sr_status;
 	unsigned long flags;
-	int ret;
+	unsigned int data;
 	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
 	struct circ_buf *tx_buf = &uport->state->xmit;
 
 	mutex_lock(&msm_uport->clk_mutex);
 	spin_lock_irqsave(&uport->lock, flags);
 
+	MSM_HS_DBG("In %s:\n", __func__);
 	/* Cancel if tx tty buffer is not empty, dma is in flight,
-	 * or tx fifo is not empty */
+	 * or tx fifo is not empty
+	 */
 	if (msm_uport->clk_state != MSM_HS_CLK_REQUEST_OFF ||
 	    !uart_circ_empty(tx_buf) || msm_uport->tx.dma_in_flight ||
 	    msm_uport->imr_reg & UARTDM_ISR_TXLEV_BMSK) {
 		spin_unlock_irqrestore(&uport->lock, flags);
 		mutex_unlock(&msm_uport->clk_mutex);
+		if (msm_uport->clk_state == MSM_HS_CLK_REQUEST_OFF) {
+			msm_uport->clk_state = MSM_HS_CLK_ON;
+			/* Pulling RFR line high */
+			msm_hs_write(uport, UART_DM_CR, RFR_LOW);
+			/* Enable auto RFR */
+			data = msm_hs_read(uport, UART_DM_MR1);
+			data |= UARTDM_MR1_RX_RDY_CTL_BMSK;
+			msm_hs_write(uport, UART_DM_MR1, data);
+			mb();
+		}
+		MSM_HS_DBG("%s(): clkstate %d", __func__, msm_uport->clk_state);
 		return -1;
 	}
 
-	/* Make sure the uart is finished with the last byte */
-	sr_status = msm_hs_read(uport, UARTDM_SR);
+	/* Make sure the uart is finished with the last byte,
+	 * use BFamily Register
+	 */
+	sr_status = msm_hs_read(uport, UART_DM_SR);
 	if (!(sr_status & UARTDM_SR_TXEMT_BMSK)) {
 		spin_unlock_irqrestore(&uport->lock, flags);
 		mutex_unlock(&msm_uport->clk_mutex);
+		MSM_HS_DBG("%s(): SR TXEMT fail %lx", __func__, sr_status);
 		return 0;  /* retry */
 	}
 
-	/* Make sure forced RXSTALE flush complete */
-	switch (msm_uport->clk_req_off_state) {
-	case CLK_REQ_OFF_START:
-		msm_uport->clk_req_off_state = CLK_REQ_OFF_RXSTALE_ISSUED;
-
-		if (!is_blsp_uart(msm_uport)) {
-			msm_hs_write(uport, UART_DM_CR, FORCE_STALE_EVENT);
-			/*
-			* Before returning make sure that device writel
-			* completed. Hence mb() requires here.
-			*/
-			mb();
-		}
-		spin_unlock_irqrestore(&uport->lock, flags);
-		mutex_unlock(&msm_uport->clk_mutex);
-		return 0;  /* RXSTALE flush not complete - retry */
-	case CLK_REQ_OFF_RXSTALE_ISSUED:
-	case CLK_REQ_OFF_FLUSH_ISSUED:
-		spin_unlock_irqrestore(&uport->lock, flags);
-		if (is_blsp_uart(msm_uport)) {
-			msm_uport->clk_req_off_state =
-				CLK_REQ_OFF_RXSTALE_FLUSHED;
-		}
-		mutex_unlock(&msm_uport->clk_mutex);
-		return 0;  /* RXSTALE flush not complete - retry */
-	case CLK_REQ_OFF_RXSTALE_FLUSHED:
-		break;  /* continue */
-	}
-
 	if (msm_uport->rx.flush != FLUSH_SHUTDOWN) {
 		if (msm_uport->rx.flush == FLUSH_NONE) {
 			msm_hs_stop_rx_locked(uport);
@@ -2047,24 +2164,23 @@
 				msm_uport->rx_discard_flush_issued = true;
 		}
 
+		MSM_HS_DBG("%s: rx.flush %d clk_state %d\n", __func__,
+			msm_uport->rx.flush, msm_uport->clk_state);
 		spin_unlock_irqrestore(&uport->lock, flags);
-		if (msm_uport->rx_discard_flush_issued) {
-			MSM_HS_DBG("%s(): wainting for flush completion.\n",
-								__func__);
-			ret = wait_event_timeout(msm_uport->rx.wait,
-				msm_uport->rx_discard_flush_issued == false,
-				RX_FLUSH_COMPLETE_TIMEOUT);
-			if (!ret)
-				MSM_HS_ERR("%s(): Flush complete pending.\n",
-								__func__);
-		}
-
 		mutex_unlock(&msm_uport->clk_mutex);
 		return 0;  /* come back later to really clock off */
 	}
 
 	spin_unlock_irqrestore(&uport->lock, flags);
 
+	/* Pulling RFR line high */
+	msm_hs_write(uport, UART_DM_CR, RFR_LOW);
+	/* Enable auto RFR */
+	data = msm_hs_read(uport, UART_DM_MR1);
+	data |= UARTDM_MR1_RX_RDY_CTL_BMSK;
+	msm_hs_write(uport, UART_DM_MR1, data);
+	mb();
+
 	/* we really want to clock off */
 	msm_hs_clock_unvote(msm_uport);
 
@@ -2077,8 +2193,6 @@
 
 	spin_unlock_irqrestore(&uport->lock, flags);
 
-	/* Reset PNOC Bus Scaling */
-	msm_hs_bus_voting(msm_uport, BUS_RESET);
 	mutex_unlock(&msm_uport->clk_mutex);
 
 	return 1;
@@ -2142,11 +2256,6 @@
 		mb();
 		MSM_HS_DBG("%s:Stal Interrupt\n", __func__);
 
-		if (msm_uport->clk_req_off_state ==
-					CLK_REQ_OFF_RXSTALE_ISSUED)
-			msm_uport->clk_req_off_state =
-					CLK_REQ_OFF_FLUSH_ISSUED;
-
 		if (!is_blsp_uart(msm_uport) && (rx->flush == FLUSH_NONE)) {
 			rx->flush = FLUSH_DATA_READY;
 			msm_dmov_flush(msm_uport->dma_rx_channel, 1);
@@ -2170,7 +2279,8 @@
 		/* Complete DMA TX transactions and submit new transactions */
 
 		/* Do not update tx_buf.tail if uart_flush_buffer already
-						called in serial core */
+		 * called in serial core
+		 */
 		if (!msm_uport->tty_flush_receive)
 			tx_buf->tail = (tx_buf->tail +
 					tx->tx_count) & ~UART_XMIT_SIZE;
@@ -2207,37 +2317,57 @@
 	return IRQ_HANDLED;
 }
 
-/*
- * Find UART device port using its port index value.
+/* The following two functions provide interfaces to get the underlying
+ * port structure (struct uart_port or struct msm_hs_port) given
+ * the port index. msm_hs_get_uart port is called by clients.
+ * The function msm_hs_get_hs_port is for internal use
  */
+
 struct uart_port *msm_hs_get_uart_port(int port_index)
 {
-	int i;
+	struct uart_state *state = msm_hs_driver.state + port_index;
 
-	for (i = 0; i < UARTDM_NR; i++) {
-		if (q_uart_port[i].uport.line == port_index)
-			return &q_uart_port[i].uport;
-	}
+	/* The uart_driver structure stores the states in an array.
+	 * Thus the corresponding offset from the drv->state returns
+	 * the state for the uart_port that is requested
+	 */
+	if (port_index == state->uart_port->line)
+		return state->uart_port;
 
 	return NULL;
 }
 EXPORT_SYMBOL(msm_hs_get_uart_port);
 
+static struct msm_hs_port *msm_hs_get_hs_port(int port_index)
+{
+	struct uart_port *uport = msm_hs_get_uart_port(port_index);
+	if (uport)
+		return UARTDM_TO_MSM(uport);
+	return NULL;
+}
+
 /* request to turn off uart clock once pending TX is flushed */
 void msm_hs_request_clock_off(struct uart_port *uport) {
 	unsigned long flags;
 	struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
+	int data;
 
 	spin_lock_irqsave(&uport->lock, flags);
 	if (msm_uport->clk_state == MSM_HS_CLK_ON) {
 		msm_uport->clk_state = MSM_HS_CLK_REQUEST_OFF;
-		msm_uport->clk_req_off_state = CLK_REQ_OFF_START;
-		msm_uport->imr_reg |= UARTDM_ISR_TXLEV_BMSK;
-		msm_hs_write(uport, UART_DM_IMR, msm_uport->imr_reg);
-		/*
-		 * Complete device write before retuning back.
-		 * Hence mb() requires here.
-		 */
+		data = msm_hs_read(uport, UART_DM_MR1);
+		/*disable auto ready-for-receiving */
+		data &= ~UARTDM_MR1_RX_RDY_CTL_BMSK;
+		msm_hs_write(uport, UART_DM_MR1, data);
+		mb();
+		/* set RFR_N to high */
+		msm_hs_write(uport, UART_DM_CR, RFR_HIGH);
+
+		data = msm_hs_read(uport, UART_DM_SR);
+		MSM_HS_DBG("%s(): TXEMT, queuing clock off work\n",
+			__func__);
+		queue_work(msm_uport->hsuart_wq, &msm_uport->clock_off_w);
+
 		mb();
 	}
 	spin_unlock_irqrestore(&uport->lock, flags);
@@ -2254,6 +2384,15 @@
 	mutex_lock(&msm_uport->clk_mutex);
 	spin_lock_irqsave(&uport->lock, flags);
 
+	if (msm_uport->clk_state == MSM_HS_CLK_REQUEST_OFF) {
+		/* Pulling RFR line high */
+		msm_hs_write(uport, UART_DM_CR, RFR_LOW);
+		/* Enable auto RFR */
+		data = msm_hs_read(uport, UART_DM_MR1);
+		data |= UARTDM_MR1_RX_RDY_CTL_BMSK;
+		msm_hs_write(uport, UART_DM_MR1, data);
+		mb();
+	}
 	switch (msm_uport->clk_state) {
 	case MSM_HS_CLK_OFF:
 		wake_lock(&msm_uport->dma_wake_lock);
@@ -2263,7 +2402,7 @@
 
 		ret = msm_hs_clock_vote(msm_uport);
 		if (ret) {
-			dev_err(uport->dev, "Clock ON Failure"
+			MSM_HS_INFO("Clock ON Failure"
 			"For UART CLK Stalling HSUART\n");
 			break;
 		}
@@ -2271,6 +2410,22 @@
 		spin_lock_irqsave(&uport->lock, flags);
 		/* else fall-through */
 	case MSM_HS_CLK_REQUEST_OFF:
+		hrtimer_cancel(&msm_uport->clk_off_timer);
+		if (msm_uport->rx.flush == FLUSH_STOP) {
+			spin_unlock_irqrestore(&uport->lock, flags);
+			MSM_HS_DBG("%s:Calling wait forxcompletion\n",
+					__func__);
+			ret = wait_event_timeout(msm_uport->bam_disconnect_wait,
+				msm_uport->rx.flush == FLUSH_SHUTDOWN, 300);
+			if (!ret)
+				MSM_HS_ERR("BAM Disconnect not happened\n");
+			spin_lock_irqsave(&uport->lock, flags);
+			MSM_HS_DBG("%s:DONE wait for completion\n", __func__);
+		}
+		MSM_HS_DBG("%s:clock state %d\n\n", __func__,
+				msm_uport->clk_state);
+		if (msm_uport->clk_state == MSM_HS_CLK_REQUEST_OFF)
+				msm_uport->clk_state = MSM_HS_CLK_ON;
 		if (msm_uport->rx.flush == FLUSH_STOP ||
 		    msm_uport->rx.flush == FLUSH_SHUTDOWN) {
 			msm_hs_write(uport, UART_DM_CR, RESET_RX);
@@ -2283,7 +2438,8 @@
 			/* Complete above device write. Hence mb() here. */
 			mb();
 		}
-		hrtimer_try_to_cancel(&msm_uport->clk_off_timer);
+
+		MSM_HS_DBG("%s: rx.flush %d\n", __func__, msm_uport->rx.flush);
 		if (msm_uport->rx.flush == FLUSH_SHUTDOWN) {
 			if (is_blsp_uart(msm_uport)) {
 				spin_unlock_irqrestore(&uport->lock, flags);
@@ -2294,7 +2450,7 @@
 		}
 		if (msm_uport->rx.flush == FLUSH_STOP)
 			msm_uport->rx.flush = FLUSH_IGNORE;
-		msm_uport->clk_state = MSM_HS_CLK_ON;
+
 		break;
 	case MSM_HS_CLK_ON:
 		break;
@@ -2318,7 +2474,8 @@
 	spin_lock_irqsave(&uport->lock, flags);
 	if (msm_uport->clk_state == MSM_HS_CLK_OFF)  {
 		/* ignore the first irq - it is a pending irq that occured
-		 * before enable_irq() */
+		 * before enable_irq()
+		 */
 		if (msm_uport->wakeup.ignore)
 			msm_uport->wakeup.ignore = 0;
 		else
@@ -2327,7 +2484,8 @@
 
 	if (wakeup) {
 		/* the uart was clocked off during an rx, wake up and
-		 * optionally inject char into tty rx */
+		 * optionally inject char into tty rx
+		 */
 		spin_unlock_irqrestore(&uport->lock, flags);
 		msm_hs_request_clock_on(uport);
 		spin_lock_irqsave(&uport->lock, flags);
@@ -2507,6 +2665,7 @@
 		}
 	}
 
+	msm_hs_write(uport, UARTDM_BCR_ADDR, 0x003F);
 	/* Set auto RFR Level */
 	data = msm_hs_read(uport, UART_DM_MR1);
 	data &= ~UARTDM_MR1_AUTO_RFR_LEVEL1_BMSK;
@@ -2548,6 +2707,7 @@
 	/* Initialize the tx */
 	tx->tx_ready_int_en = 0;
 	tx->dma_in_flight = 0;
+	rx->rx_cmd_exec = false;
 	msm_uport->tty_flush_receive = false;
 	MSM_HS_DBG("%s: Setting tty_flush_receive to false\n", __func__);
 
@@ -2572,7 +2732,7 @@
 	msm_uport->imr_reg |= UARTDM_ISR_CURRENT_CTS_BMSK;
 
 	/* TXLEV on empty TX fifo */
-	msm_hs_write(uport, UART_DM_TFWR, 0);
+	msm_hs_write(uport, UART_DM_TFWR, 4);
 	/*
 	 * Complete all device write related configuration before
 	 * queuing RX request. Hence mb() requires here.
@@ -2606,17 +2766,12 @@
 		}
 		disable_irq(msm_uport->wakeup.irq);
 	}
-
-	msm_hs_clock_vote(msm_uport);
-
 	spin_lock_irqsave(&uport->lock, flags);
 
 	msm_hs_start_rx_locked(uport);
 
 	spin_unlock_irqrestore(&uport->lock, flags);
 
-	msm_hs_clock_unvote(msm_uport);
-
 	pm_runtime_enable(uport->dev);
 
 	return 0;
@@ -2652,6 +2807,7 @@
 
 	init_waitqueue_head(&rx->wait);
 	init_waitqueue_head(&tx->wait);
+	init_waitqueue_head(&msm_uport->bam_disconnect_wait);
 	wake_lock_init(&rx->wake_lock, WAKE_LOCK_SUSPEND, "msm_serial_hs_rx");
 	wake_lock_init(&msm_uport->dma_wake_lock, WAKE_LOCK_SUSPEND,
 		       "msm_serial_hs_dma");
@@ -2932,7 +3088,6 @@
 		sps_config->mode = SPS_MODE_SRC;
 		sps_config->src_pipe_index = msm_uport->bam_rx_ep_pipe_index;
 		sps_config->dest_pipe_index = 0;
-		sps_config->options = SPS_O_DESC_DONE;
 	} else {
 		/* For UART consumer transfer, source is system memory
 		where as destination is UART peripheral */
@@ -2941,9 +3096,9 @@
 		sps_config->mode = SPS_MODE_DEST;
 		sps_config->src_pipe_index = 0;
 		sps_config->dest_pipe_index = msm_uport->bam_tx_ep_pipe_index;
-		sps_config->options = SPS_O_EOT;
 	}
 
+	sps_config->options = SPS_O_EOT | SPS_O_DESC_DONE | SPS_O_AUTO_ENABLE;
 	sps_config->event_thresh = 0x10;
 
 	/* Allocate maximum descriptor fifo size */
@@ -2963,12 +3118,11 @@
 
 	if (is_producer) {
 		sps_event->callback = msm_hs_sps_rx_callback;
-		sps_event->options = SPS_O_DESC_DONE;
 	} else {
 		sps_event->callback = msm_hs_sps_tx_callback;
-		sps_event->options = SPS_O_EOT;
 	}
 
+	sps_event->options = SPS_O_DESC_DONE | SPS_O_EOT;
 	sps_event->user = (void *)msm_uport;
 
 	/* Now save the sps pipe handle */
@@ -3113,7 +3267,9 @@
 		return -EINVAL;
 	}
 
-	msm_uport = &q_uart_port[pdev->id];
+	msm_uport = devm_kzalloc(&pdev->dev, sizeof(struct msm_hs_port),
+			GFP_KERNEL);
+	msm_uport->uport.type = PORT_UNKNOWN;
 	uport = &msm_uport->uport;
 	uport->dev = &pdev->dev;
 
@@ -3386,17 +3542,12 @@
 static int __init msm_serial_hs_init(void)
 {
 	int ret;
-	int i;
 
 	ipc_msm_hs_log_ctxt = ipc_log_context_create(IPC_MSM_HS_LOG_PAGES,
 							"msm_serial_hs");
 	if (!ipc_msm_hs_log_ctxt)
 		MSM_HS_WARN("%s: error creating logging context", __func__);
 
-	/* Init all UARTS as non-configured */
-	for (i = 0; i < UARTDM_NR; i++)
-		q_uart_port[i].uport.type = PORT_UNKNOWN;
-
 	ret = uart_register_driver(&msm_hs_driver);
 	if (unlikely(ret)) {
 		MSM_HS_WARN("%s failed to load\n", __func__);
@@ -3487,12 +3638,12 @@
 	 */
 	mb();
 
+	msm_hs_clock_unvote(msm_uport);
 	if (msm_uport->clk_state != MSM_HS_CLK_OFF) {
 		/* to balance clk_state */
 		msm_hs_clock_unvote(msm_uport);
 		wake_unlock(&msm_uport->dma_wake_lock);
 	}
-	msm_hs_clock_unvote(msm_uport);
 
 	msm_uport->clk_state = MSM_HS_CLK_PORT_OFF;
 	dma_unmap_single(uport->dev, msm_uport->tx.dma_base,
@@ -3536,8 +3687,13 @@
 {
 	struct platform_device *pdev = container_of(dev, struct
 						    platform_device, dev);
-	struct msm_hs_port *msm_uport = &q_uart_port[pdev->id];
-	msm_hs_request_clock_on(&msm_uport->uport);
+	struct msm_hs_port *msm_uport = get_matching_hs_port(pdev);
+
+	/* This check should not fail
+	 * During probe, we set uport->line to either pdev->id or userid */
+	if (msm_uport)
+		msm_hs_request_clock_on(&msm_uport->uport);
+
 	return 0;
 }
 
@@ -3545,8 +3701,12 @@
 {
 	struct platform_device *pdev = container_of(dev, struct
 						    platform_device, dev);
-	struct msm_hs_port *msm_uport = &q_uart_port[pdev->id];
-	msm_hs_request_clock_off(&msm_uport->uport);
+	struct msm_hs_port *msm_uport = get_matching_hs_port(pdev);
+
+	/* This check should not fail
+	 * During probe, we set uport->line to either pdev->id or userid */
+	if (msm_uport)
+		msm_hs_request_clock_off(&msm_uport->uport);
 	return 0;
 }
 
diff --git a/drivers/usb/gadget/f_diag.c b/drivers/usb/gadget/f_diag.c
index e218130..16f961e 100644
--- a/drivers/usb/gadget/f_diag.c
+++ b/drivers/usb/gadget/f_diag.c
@@ -26,6 +26,7 @@
 #include <linux/usb/gadget.h>
 #include <linux/workqueue.h>
 #include <linux/debugfs.h>
+#include <linux/kmemleak.h>
 
 static DEFINE_SPINLOCK(ch_lock);
 static LIST_HEAD(usb_diag_ch_list);
@@ -381,6 +382,7 @@
 		req = usb_ep_alloc_request(ctxt->in, GFP_ATOMIC);
 		if (!req)
 			goto fail;
+		kmemleak_not_leak(req);
 		req->complete = diag_write_complete;
 		list_add_tail(&req->list, &ctxt->write_pool);
 	}
@@ -389,6 +391,7 @@
 		req = usb_ep_alloc_request(ctxt->out, GFP_ATOMIC);
 		if (!req)
 			goto fail;
+		kmemleak_not_leak(req);
 		req->complete = diag_read_complete;
 		list_add_tail(&req->list, &ctxt->read_pool);
 	}
diff --git a/drivers/usb/gadget/f_rmnet.c b/drivers/usb/gadget/f_rmnet.c
index 2fa8c63..ebcec96 100644
--- a/drivers/usb/gadget/f_rmnet.c
+++ b/drivers/usb/gadget/f_rmnet.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -47,7 +47,7 @@
 
 	/* control info */
 	struct list_head		cpkt_resp_q;
-	atomic_t			notify_count;
+	unsigned long			notify_count;
 	unsigned long			cpkts_len;
 };
 
@@ -605,7 +605,7 @@
 		list_del(&cpkt->list);
 		rmnet_free_ctrl_pkt(cpkt);
 	}
-	atomic_set(&dev->notify_count, 0);
+	dev->notify_count = 0;
 	spin_unlock_irqrestore(&dev->lock, flags);
 }
 
@@ -619,6 +619,7 @@
 		__func__, xport_to_str(dxport),
 		dev, dev->port_num);
 
+	usb_ep_fifo_flush(dev->notify);
 	frmnet_purge_responses(dev);
 
 	port_num = rmnet_ports[dev->port_num].data_xport_num;
@@ -754,7 +755,7 @@
 		return;
 	}
 
-	if (atomic_inc_return(&dev->notify_count) != 1) {
+	if (++dev->notify_count != 1) {
 		spin_unlock_irqrestore(&dev->lock, flags);
 		return;
 	}
@@ -772,7 +773,14 @@
 	if (ret) {
 		spin_lock_irqsave(&dev->lock, flags);
 		if (!list_empty(&dev->cpkt_resp_q)) {
-			atomic_dec(&dev->notify_count);
+			if (dev->notify_count > 0)
+				dev->notify_count--;
+			else {
+				pr_debug("%s: Invalid notify_count=%lu to decrement\n",
+					 __func__, dev->notify_count);
+				spin_unlock_irqrestore(&dev->lock, flags);
+				return;
+			}
 			cpkt = list_first_entry(&dev->cpkt_resp_q,
 					struct rmnet_ctrl_pkt, list);
 			list_del(&cpkt->list);
@@ -911,7 +919,9 @@
 	case -ECONNRESET:
 	case -ESHUTDOWN:
 		/* connection gone */
-		atomic_set(&dev->notify_count, 0);
+		spin_lock_irqsave(&dev->lock, flags);
+		dev->notify_count = 0;
+		spin_unlock_irqrestore(&dev->lock, flags);
 		break;
 	default:
 		pr_err("rmnet notify ep error %d\n", status);
@@ -920,14 +930,34 @@
 		if (!atomic_read(&dev->ctrl_online))
 			break;
 
-		if (atomic_dec_and_test(&dev->notify_count))
+		spin_lock_irqsave(&dev->lock, flags);
+		if (dev->notify_count > 0) {
+			dev->notify_count--;
+			if (dev->notify_count == 0) {
+				spin_unlock_irqrestore(&dev->lock, flags);
+				break;
+			}
+		} else {
+			pr_debug("%s: Invalid notify_count=%lu to decrement\n",
+					__func__, dev->notify_count);
+			spin_unlock_irqrestore(&dev->lock, flags);
 			break;
+		}
+		spin_unlock_irqrestore(&dev->lock, flags);
 
 		status = usb_ep_queue(dev->notify, req, GFP_ATOMIC);
 		if (status) {
 			spin_lock_irqsave(&dev->lock, flags);
 			if (!list_empty(&dev->cpkt_resp_q)) {
-				atomic_dec(&dev->notify_count);
+				if (dev->notify_count > 0)
+					dev->notify_count--;
+				else {
+					pr_err("%s: Invalid notify_count=%lu to decrement\n",
+						__func__, dev->notify_count);
+					spin_unlock_irqrestore(&dev->lock,
+								flags);
+					break;
+				}
 				cpkt = list_first_entry(&dev->cpkt_resp_q,
 						struct rmnet_ctrl_pkt, list);
 				list_del(&cpkt->list);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index ad09139..0a82e58 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1013,9 +1013,6 @@
 	}
 
 	xhci = hcd_to_xhci(hcd);
-	if (xhci->xhc_state & XHCI_STATE_HALTED)
-		return -ENODEV;
-
 	if (check_virt_dev) {
 		if (!udev->slot_id || !xhci->devs[udev->slot_id]) {
 			printk(KERN_DEBUG "xHCI %s called with unaddressed "
@@ -1031,6 +1028,9 @@
 		}
 	}
 
+	if (xhci->xhc_state & XHCI_STATE_HALTED)
+		return -ENODEV;
+
 	return 1;
 }
 
diff --git a/drivers/video/msm/mdss/dsi_host_v2.c b/drivers/video/msm/mdss/dsi_host_v2.c
index ca7f199..884f7f2 100644
--- a/drivers/video/msm/mdss/dsi_host_v2.c
+++ b/drivers/video/msm/mdss/dsi_host_v2.c
@@ -1216,6 +1216,13 @@
 		mutex_unlock(&ctrl_pdata->mutex);
 		return ret;
 	}
+	pinfo->panel_power_on = 1;
+	ret = mdss_dsi_panel_reset(pdata, 1);
+	if (ret) {
+		pr_err("%s: Panel reset failed\n", __func__);
+		mutex_unlock(&ctrl_pdata->mutex);
+		return ret;
+	}
 
 	msm_dsi_ahb_ctrl(1);
 	msm_dsi_prepare_clocks();
diff --git a/drivers/video/msm/mdss/dsi_v2.c b/drivers/video/msm/mdss/dsi_v2.c
index ccde545..bc76fd0 100644
--- a/drivers/video/msm/mdss/dsi_v2.c
+++ b/drivers/video/msm/mdss/dsi_v2.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -66,6 +66,7 @@
 	if (enable) {
 		dsi_ctrl_gpio_request(ctrl_pdata);
 		mdss_dsi_panel_reset(pdata, 1);
+		pdata->panel_info.panel_power_on = 1;
 		rc = ctrl_pdata->on(pdata);
 		if (rc)
 			pr_err("dsi_panel_handler panel on failed %d\n", rc);
@@ -73,6 +74,7 @@
 		if (dsi_intf.op_mode_config)
 			dsi_intf.op_mode_config(DSI_CMD_MODE, pdata);
 		rc = ctrl_pdata->off(pdata);
+		pdata->panel_info.panel_power_on = 0;
 		mdss_dsi_panel_reset(pdata, 0);
 		dsi_ctrl_gpio_free(ctrl_pdata);
 	}
@@ -202,75 +204,23 @@
 {
 	int rc = 0;
 
-	if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
-		rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
-		if (rc)
-			goto gpio_request_err4;
-
-		ctrl_pdata->disp_en_gpio_requested = 1;
-	}
-
-	if (gpio_is_valid(ctrl_pdata->rst_gpio)) {
-		rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
-		if (rc)
-			goto gpio_request_err3;
-
-		ctrl_pdata->rst_gpio_requested = 1;
-	}
-
 	if (gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
 		rc = gpio_request(ctrl_pdata->disp_te_gpio, "disp_te");
 		if (rc)
-			goto gpio_request_err2;
-
-		ctrl_pdata->disp_te_gpio_requested = 1;
+			ctrl_pdata->disp_te_gpio_requested = 0;
+		else
+			ctrl_pdata->disp_te_gpio_requested = 1;
 	}
 
-	if (gpio_is_valid(ctrl_pdata->mode_gpio)) {
-		rc = gpio_request(ctrl_pdata->mode_gpio, "panel_mode");
-		if (rc)
-			goto gpio_request_err1;
-
-		ctrl_pdata->mode_gpio_requested = 1;
-	}
-
-	return rc;
-
-gpio_request_err1:
-	if (gpio_is_valid(ctrl_pdata->disp_te_gpio))
-		gpio_free(ctrl_pdata->disp_te_gpio);
-gpio_request_err2:
-	if (gpio_is_valid(ctrl_pdata->rst_gpio))
-		gpio_free(ctrl_pdata->rst_gpio);
-gpio_request_err3:
-	if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
-		gpio_free(ctrl_pdata->disp_en_gpio);
-gpio_request_err4:
-	ctrl_pdata->disp_en_gpio_requested = 0;
-	ctrl_pdata->rst_gpio_requested = 0;
-	ctrl_pdata->disp_te_gpio_requested = 0;
-	ctrl_pdata->mode_gpio_requested = 0;
 	return rc;
 }
 
 void dsi_ctrl_gpio_free(struct mdss_dsi_ctrl_pdata *ctrl_pdata)
 {
-	if (ctrl_pdata->disp_en_gpio_requested) {
-		gpio_free(ctrl_pdata->disp_en_gpio);
-		ctrl_pdata->disp_en_gpio_requested = 0;
-	}
-	if (ctrl_pdata->rst_gpio_requested) {
-		gpio_free(ctrl_pdata->rst_gpio);
-		ctrl_pdata->rst_gpio_requested = 0;
-	}
 	if (ctrl_pdata->disp_te_gpio_requested) {
 		gpio_free(ctrl_pdata->disp_te_gpio);
 		ctrl_pdata->disp_te_gpio_requested = 0;
 	}
-	if (ctrl_pdata->mode_gpio_requested) {
-		gpio_free(ctrl_pdata->mode_gpio);
-		ctrl_pdata->mode_gpio_requested = 0;
-	}
 }
 
 static int dsi_parse_vreg(struct device *dev, struct dss_module_power *mp)
diff --git a/drivers/video/msm/mdss/mdp3_ctrl.c b/drivers/video/msm/mdss/mdp3_ctrl.c
index b324130..1111aeb 100644
--- a/drivers/video/msm/mdss/mdp3_ctrl.c
+++ b/drivers/video/msm/mdss/mdp3_ctrl.c
@@ -798,7 +798,7 @@
 
 	rc = mdp3_dma->stop(mdp3_dma, mdp3_session->intf);
 	if (rc) {
-		pr_err("fail to stop the MDP3 dma\n");
+		pr_err("fail to stop the MDP3 dma %d\n", rc);
 		goto reset_error;
 	}
 
@@ -1011,7 +1011,11 @@
 	panel = mdp3_session->panel;
 	if (!mdp3_iommu_is_attached(MDP3_CLIENT_DMA_P)) {
 		pr_debug("continuous splash screen, IOMMU not attached\n");
-		mdp3_ctrl_reset(mfd);
+		rc = mdp3_ctrl_reset(mfd);
+		if (rc) {
+			pr_err("fail to reset display\n");
+			return -EINVAL;
+		}
 		reset_done = true;
 	}
 
@@ -1092,7 +1096,11 @@
 
 	if (!mdp3_iommu_is_attached(MDP3_CLIENT_DMA_P)) {
 		pr_debug("continuous splash screen, IOMMU not attached\n");
-		mdp3_ctrl_reset(mfd);
+		rc = mdp3_ctrl_reset(mfd);
+		if (rc) {
+			pr_err("fail to reset display\n");
+			return;
+		}
 	}
 
 	mutex_lock(&mdp3_session->lock);
diff --git a/drivers/video/msm/mdss/mdp3_dma.c b/drivers/video/msm/mdss/mdp3_dma.c
index 800c4b3..993a36f 100644
--- a/drivers/video/msm/mdss/mdp3_dma.c
+++ b/drivers/video/msm/mdss/mdp3_dma.c
@@ -18,7 +18,7 @@
 #include "mdp3_hwio.h"
 
 #define DMA_STOP_POLL_SLEEP_US 1000
-#define DMA_STOP_POLL_TIMEOUT_US 32000
+#define DMA_STOP_POLL_TIMEOUT_US 200000
 #define DMA_HISTO_RESET_TIMEOUT_MS 40
 #define DMA_LUT_CONFIG_MASK 0xfffffbe8
 #define DMA_CCS_CONFIG_MASK 0xfffffc17
diff --git a/drivers/video/msm/mdss/mdss.h b/drivers/video/msm/mdss/mdss.h
index ada1281..7e6faa8 100644
--- a/drivers/video/msm/mdss/mdss.h
+++ b/drivers/video/msm/mdss/mdss.h
@@ -192,6 +192,7 @@
 
 	int handoff_pending;
 	struct mdss_prefill_data prefill_data;
+	bool ulps;
 };
 extern struct mdss_data_type *mdss_res;
 
diff --git a/drivers/video/msm/mdss/mdss_dsi.c b/drivers/video/msm/mdss/mdss_dsi.c
index ece867c..7b4b065 100644
--- a/drivers/video/msm/mdss/mdss_dsi.c
+++ b/drivers/video/msm/mdss/mdss_dsi.c
@@ -72,13 +72,25 @@
 			goto error;
 		}
 
-		if (pdata->panel_info.panel_power_on == 0)
-			mdss_dsi_panel_reset(pdata, 1);
-
+		if (!pdata->panel_info.mipi.lp11_init) {
+			ret = mdss_dsi_panel_reset(pdata, 1);
+			if (ret) {
+				pr_err("%s: Panel reset failed. rc=%d\n",
+						__func__, ret);
+				if (msm_dss_enable_vreg(
+				ctrl_pdata->power_data.vreg_config,
+				ctrl_pdata->power_data.num_vreg, 0))
+					pr_err("Disable vregs failed\n");
+				goto error;
+			}
+		}
 	} else {
-
-		mdss_dsi_panel_reset(pdata, 0);
-
+		ret = mdss_dsi_panel_reset(pdata, 0);
+		if (ret) {
+			pr_err("%s: Panel reset failed. rc=%d\n",
+					__func__, ret);
+			goto error;
+		}
 		ret = msm_dss_enable_vreg(
 			ctrl_pdata->power_data.vreg_config,
 			ctrl_pdata->power_data.num_vreg, 0);
@@ -296,7 +308,7 @@
 
 	if (!pdata->panel_info.panel_power_on) {
 		pr_warn("%s:%d Panel already off.\n", __func__, __LINE__);
-		return -EPERM;
+		return 0;
 	}
 
 	pdata->panel_info.panel_power_on = 0;
@@ -335,63 +347,22 @@
 	return ret;
 }
 
-int mdss_dsi_on(struct mdss_panel_data *pdata)
+static void __mdss_dsi_ctrl_setup(struct mdss_panel_data *pdata)
 {
-	int ret = 0;
-	u32 clk_rate;
+	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
 	struct mdss_panel_info *pinfo;
 	struct mipi_panel_info *mipi;
+	u32 clk_rate;
 	u32 hbp, hfp, vbp, vfp, hspw, vspw, width, height;
 	u32 ystride, bpp, data, dst_bpp;
 	u32 dummy_xres, dummy_yres;
-	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
 	u32 hsync_period, vsync_period;
 
-	if (pdata == NULL) {
-		pr_err("%s: Invalid input data\n", __func__);
-		return -EINVAL;
-	}
-
-	if (pdata->panel_info.panel_power_on) {
-		pr_warn("%s:%d Panel already on.\n", __func__, __LINE__);
-		return 0;
-	}
-
 	ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata,
 				panel_data);
 
-	pr_debug("%s+: ctrl=%p ndx=%d\n",
-				__func__, ctrl_pdata, ctrl_pdata->ndx);
-
 	pinfo = &pdata->panel_info;
 
-	ret = msm_dss_enable_vreg(ctrl_pdata->power_data.vreg_config,
-				ctrl_pdata->power_data.num_vreg, 1);
-	if (ret) {
-		pr_err("%s:Failed to enable vregs. rc=%d\n", __func__, ret);
-		return ret;
-	}
-
-	pdata->panel_info.panel_power_on = 1;
-
-	if (!pdata->panel_info.mipi.lp11_init)
-		mdss_dsi_panel_reset(pdata, 1);
-
-	ret = mdss_dsi_bus_clk_start(ctrl_pdata);
-	if (ret) {
-		pr_err("%s: failed to enable bus clocks. rc=%d\n", __func__,
-			ret);
-		mdss_dsi_panel_power_on(pdata, 0);
-		pdata->panel_info.panel_power_on = 0;
-		return ret;
-	}
-
-	mdss_dsi_phy_sw_reset((ctrl_pdata->ctrl_base));
-	mdss_dsi_phy_init(pdata);
-	mdss_dsi_bus_clk_stop(ctrl_pdata);
-
-	mdss_dsi_clk_ctrl(ctrl_pdata, 1);
-
 	clk_rate = pdata->panel_info.clk_rate;
 	clk_rate = min(clk_rate, pdata->panel_info.clk_max);
 
@@ -421,7 +392,7 @@
 	vsync_period = vspw + vbp + height + dummy_yres + vfp;
 	hsync_period = hspw + hbp + width + dummy_xres + hfp;
 
-	mipi  = &pdata->panel_info.mipi;
+	mipi = &pdata->panel_info.mipi;
 	if (pdata->panel_info.type == MIPI_VIDEO_PANEL) {
 		MIPI_OUTP((ctrl_pdata->ctrl_base) + 0x24,
 			((hspw + hbp + width + dummy_xres) << 16 |
@@ -459,19 +430,195 @@
 		MIPI_OUTP((ctrl_pdata->ctrl_base) + 0x64, data);
 		MIPI_OUTP((ctrl_pdata->ctrl_base) + 0x5C, data);
 	}
+}
 
+static inline bool __mdss_dsi_ulps_feature_enabled(
+	struct mdss_panel_data *pdata)
+{
+	return pdata->panel_info.ulps_feature_enabled;
+}
+
+static int mdss_dsi_ulps_config_sub(struct mdss_dsi_ctrl_pdata *ctrl_pdata,
+	int enable)
+{
+	int ret = 0;
+	struct mdss_panel_data *pdata = NULL;
+	u32 lane_status = 0;
+
+	if (!ctrl_pdata) {
+		pr_err("%s: invalid input\n", __func__);
+		return -EINVAL;
+	}
+
+	pdata = &ctrl_pdata->panel_data;
+
+	if (!__mdss_dsi_ulps_feature_enabled(pdata)) {
+		pr_debug("%s: ULPS feature not supported. enable=%d\n",
+			__func__, enable);
+		return -ENOTSUPP;
+	}
+
+	if (enable && !ctrl_pdata->ulps) {
+		/* No need to configure ULPS mode when entering suspend state */
+		if (!pdata->panel_info.panel_power_on) {
+			pr_err("%s: panel off. returning\n", __func__);
+			goto error;
+		}
+
+		if (__mdss_dsi_clk_enabled(ctrl_pdata)) {
+			pr_err("%s: cannot enter ulps mode if dsi clocks are on\n",
+				__func__);
+			ret = -EPERM;
+			goto error;
+		}
+
+		mdss_dsi_clk_ctrl(ctrl_pdata, 1);
+		/*
+		 * ULPS Entry Request.
+		 * Wait for a short duration to ensure that the lanes
+		 * enter ULP state.
+		 */
+		MIPI_OUTP(ctrl_pdata->ctrl_base + 0x0AC, 0x01F);
+		usleep(100);
+
+		/* Enable MMSS DSI Clamps */
+		MIPI_OUTP(ctrl_pdata->mmss_misc_io.base + 0x14, 0x3FF);
+		MIPI_OUTP(ctrl_pdata->mmss_misc_io.base + 0x14, 0x83FF);
+
+		wmb();
+
+		MIPI_OUTP(ctrl_pdata->mmss_misc_io.base + 0x108, 0x1);
+		/* disable DSI controller */
+		mdss_dsi_controller_cfg(0, pdata);
+
+		lane_status = MIPI_INP(ctrl_pdata->ctrl_base + 0xA8),
+		mdss_dsi_clk_ctrl(ctrl_pdata, 0);
+		ctrl_pdata->ulps = true;
+	} else if (ctrl_pdata->ulps) {
+		mdss_dsi_phy_init(pdata);
+
+		__mdss_dsi_ctrl_setup(pdata);
+		mdss_dsi_sw_reset(pdata);
+		mdss_dsi_host_init(pdata);
+		mdss_dsi_op_mode_config(pdata->panel_info.mipi.mode,
+			pdata);
+
+		/* Disable MMSS DSI Clamps */
+		MIPI_OUTP(ctrl_pdata->mmss_misc_io.base + 0x14, 0x0);
+
+		/*
+		 * ULPS Exit Request
+		 * Hardware requirement is to wait for at least 1ms
+		 */
+		MIPI_OUTP(ctrl_pdata->ctrl_base + 0x0AC, 0x1F00);
+		usleep(1000);
+		MIPI_OUTP(ctrl_pdata->ctrl_base + 0x0AC, 0x0);
+
+		/*
+		 * Wait for a short duration before enabling
+		 * data transmission
+		 */
+		usleep(100);
+
+		lane_status = MIPI_INP(ctrl_pdata->ctrl_base + 0xA8),
+		ctrl_pdata->ulps = false;
+	}
+
+	pr_debug("%s: DSI lane status = 0x%08x. Ulps %s\n", __func__,
+		lane_status, enable ? "enabled" : "disabled");
+
+error:
+	return ret;
+}
+
+static int mdss_dsi_ulps_config(struct mdss_dsi_ctrl_pdata *ctrl,
+	int enable)
+{
+	int rc;
+	struct mdss_dsi_ctrl_pdata *sctrl = NULL;
+
+	if (ctrl->flags & DSI_FLAG_CLOCK_MASTER)
+		sctrl = mdss_dsi_ctrl_slave(ctrl);
+
+	if (sctrl) {
+		pr_debug("%s: configuring ulps (%s) for slave ctrl\n",
+			__func__, (enable ? "on" : "off"));
+		rc = mdss_dsi_ulps_config_sub(sctrl, enable);
+		if (rc)
+			return rc;
+	}
+
+	pr_debug("%s: configuring ulps (%s) for master ctrl\n",
+		__func__, (enable ? "on" : "off"));
+	return mdss_dsi_ulps_config_sub(ctrl, enable);
+}
+
+int mdss_dsi_on(struct mdss_panel_data *pdata)
+{
+	int ret = 0;
+	struct mdss_panel_info *pinfo;
+	struct mipi_panel_info *mipi;
+	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	if (pdata->panel_info.panel_power_on) {
+		pr_warn("%s:%d Panel already on.\n", __func__, __LINE__);
+		return 0;
+	}
+
+	ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata,
+				panel_data);
+
+	pr_debug("%s+: ctrl=%p ndx=%d\n",
+				__func__, ctrl_pdata, ctrl_pdata->ndx);
+
+	pinfo = &pdata->panel_info;
+	mipi = &pdata->panel_info.mipi;
+
+	ret = mdss_dsi_panel_power_on(pdata, 1);
+	if (ret) {
+		pr_err("%s:Panel power on failed. rc=%d\n", __func__, ret);
+		return ret;
+	}
+
+	ret = mdss_dsi_bus_clk_start(ctrl_pdata);
+	if (ret) {
+		pr_err("%s: failed to enable bus clocks. rc=%d\n", __func__,
+			ret);
+		ret = mdss_dsi_panel_power_on(pdata, 0);
+		if (ret) {
+			pr_err("%s: Panel reset failed. rc=%d\n",
+					__func__, ret);
+			return ret;
+		}
+		pdata->panel_info.panel_power_on = 0;
+		return ret;
+	}
+	pdata->panel_info.panel_power_on = 1;
+
+	mdss_dsi_phy_sw_reset((ctrl_pdata->ctrl_base));
+	mdss_dsi_phy_init(pdata);
+	mdss_dsi_bus_clk_stop(ctrl_pdata);
+
+	mdss_dsi_clk_ctrl(ctrl_pdata, 1);
+
+	__mdss_dsi_ctrl_setup(pdata);
 	mdss_dsi_sw_reset(pdata);
-	mdss_dsi_host_init(mipi, pdata);
+	mdss_dsi_host_init(pdata);
 
 	/*
 	 * Issue hardware reset line after enabling the DSI clocks and data
 	 * data lanes for LP11 init
 	 */
-	if (pdata->panel_info.mipi.lp11_init)
+	if (mipi->lp11_init)
 		mdss_dsi_panel_reset(pdata, 1);
 
-	if (pdata->panel_info.mipi.init_delay)
-		usleep(pdata->panel_info.mipi.init_delay);
+	if (mipi->init_delay)
+		usleep(mipi->init_delay);
 
 	if (mipi->force_clk_lane_hs) {
 		u32 tmp;
@@ -545,6 +692,17 @@
 				panel_data);
 	mipi = &pdata->panel_info.mipi;
 
+	if (__mdss_dsi_ulps_feature_enabled(pdata) &&
+		(ctrl_pdata->ulps)) {
+		/* Disable ULPS mode before blanking the panel */
+		ret = mdss_dsi_ulps_config(ctrl_pdata, 0);
+		if (ret) {
+			pr_err("%s: failed to exit ULPS mode. rc=%d\n",
+				__func__, ret);
+			return ret;
+		}
+	}
+
 	mdss_dsi_op_mode_config(DSI_CMD_MODE, pdata);
 
 	if (pdata->panel_info.type == MIPI_CMD_PANEL) {
@@ -591,7 +749,7 @@
 		"Incorrect Ctrl state=0x%x\n", ctrl_pdata->ctrl_state);
 
 	mdss_dsi_sw_reset(pdata);
-	mdss_dsi_host_init(mipi, pdata);
+	mdss_dsi_host_init(pdata);
 	mdss_dsi_op_mode_config(mipi->mode, pdata);
 
 	if (ctrl_pdata->on_cmds.link_state == DSI_LP_MODE) {
@@ -798,6 +956,9 @@
 	case MDSS_EVENT_ENABLE_PARTIAL_UPDATE:
 		rc = mdss_dsi_ctl_partial_update(pdata);
 		break;
+	case MDSS_EVENT_DSI_ULPS_CTRL:
+		rc = mdss_dsi_ulps_config(ctrl_pdata, (int)arg);
+		break;
 	default:
 		pr_debug("%s: unhandled event=%d\n", __func__, event);
 		break;
@@ -1028,6 +1189,7 @@
 		pr_err("%s: failed to de-init vregs\n", __func__);
 	mdss_dsi_put_dt_vreg_data(&pdev->dev, &ctrl_pdata->power_data);
 	mfd = platform_get_drvdata(pdev);
+	msm_dss_iounmap(&ctrl_pdata->mmss_misc_io);
 	return 0;
 }
 
@@ -1086,6 +1248,13 @@
 	pr_info("%s: dsi base=%x size=%x\n",
 		__func__, (int)ctrl->ctrl_base, ctrl->reg_size);
 
+	rc = msm_dss_ioremap_byname(pdev, &ctrl->mmss_misc_io,
+		"mmss_misc_phys");
+	if (rc) {
+		pr_err("%s:%d mmss_misc IO remap failed\n", __func__, __LINE__);
+		return rc;
+	}
+
 	return 0;
 }
 
@@ -1223,18 +1392,9 @@
 	ctrl_pdata->disp_en_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
 		"qcom,platform-enable-gpio", 0);
 
-	if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
+	if (!gpio_is_valid(ctrl_pdata->disp_en_gpio))
 		pr_err("%s:%d, Disp_en gpio not specified\n",
 						__func__, __LINE__);
-	} else {
-		rc = gpio_request(ctrl_pdata->disp_en_gpio, "disp_enable");
-		if (rc) {
-			pr_err("request reset gpio failed, rc=%d\n",
-			       rc);
-			gpio_free(ctrl_pdata->disp_en_gpio);
-			return -ENODEV;
-		}
-	}
 
 	if (pinfo->type == MIPI_CMD_PANEL) {
 		ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
@@ -1251,7 +1411,6 @@
 		if (rc) {
 			pr_err("request TE gpio failed, rc=%d\n",
 			       rc);
-			gpio_free(ctrl_pdata->disp_te_gpio);
 			return -ENODEV;
 		}
 		rc = gpio_tlmm_config(GPIO_CFG(
@@ -1281,44 +1440,18 @@
 
 	ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
 			 "qcom,platform-reset-gpio", 0);
-	if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
+	if (!gpio_is_valid(ctrl_pdata->rst_gpio))
 		pr_err("%s:%d, reset gpio not specified\n",
 						__func__, __LINE__);
-	} else {
-		rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
-		if (rc) {
-			pr_err("request reset gpio failed, rc=%d\n",
-				rc);
-			gpio_free(ctrl_pdata->rst_gpio);
-			if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
-				gpio_free(ctrl_pdata->disp_en_gpio);
-			return -ENODEV;
-		}
-	}
 
 	if (pinfo->mode_gpio_state != MODE_GPIO_NOT_VALID) {
 
 		ctrl_pdata->mode_gpio = of_get_named_gpio(
 					ctrl_pdev->dev.of_node,
 					"qcom,platform-mode-gpio", 0);
-		if (!gpio_is_valid(ctrl_pdata->mode_gpio)) {
+		if (!gpio_is_valid(ctrl_pdata->mode_gpio))
 			pr_info("%s:%d, mode gpio not specified\n",
 							__func__, __LINE__);
-		} else {
-			rc = gpio_request(ctrl_pdata->mode_gpio, "panel_mode");
-			if (rc) {
-				pr_err("request panel mode gpio failed,rc=%d\n",
-									rc);
-				gpio_free(ctrl_pdata->mode_gpio);
-				if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
-					gpio_free(ctrl_pdata->disp_en_gpio);
-				if (gpio_is_valid(ctrl_pdata->rst_gpio))
-					gpio_free(ctrl_pdata->rst_gpio);
-				if (gpio_is_valid(ctrl_pdata->disp_te_gpio))
-					gpio_free(ctrl_pdata->disp_te_gpio);
-				return -ENODEV;
-			}
-		}
 	}
 
 	if (mdss_dsi_clk_init(ctrl_pdev, ctrl_pdata)) {
@@ -1369,10 +1502,6 @@
 	rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
 	if (rc) {
 		pr_err("%s: unable to register MIPI DSI panel\n", __func__);
-		if (ctrl_pdata->rst_gpio)
-			gpio_free(ctrl_pdata->rst_gpio);
-		if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
-			gpio_free(ctrl_pdata->disp_en_gpio);
 		return rc;
 	}
 
diff --git a/drivers/video/msm/mdss/mdss_dsi.h b/drivers/video/msm/mdss/mdss_dsi.h
index 2c9c37d..57b0e75 100644
--- a/drivers/video/msm/mdss/mdss_dsi.h
+++ b/drivers/video/msm/mdss/mdss_dsi.h
@@ -238,6 +238,7 @@
 	int (*cmdlist_commit)(struct mdss_dsi_ctrl_pdata *ctrl, int from_mdp);
 	struct mdss_panel_data panel_data;
 	unsigned char *ctrl_base;
+	struct dss_io_data mmss_misc_io;
 	int reg_size;
 	u32 clk_cnt;
 	int clk_cnt_sub;
@@ -245,6 +246,7 @@
 	struct clk *mdp_core_clk;
 	struct clk *ahb_clk;
 	struct clk *axi_clk;
+	struct clk *mmss_misc_ahb_clk;
 	struct clk *byte_clk;
 	struct clk *esc_clk;
 	struct clk *pixel_clk;
@@ -256,10 +258,7 @@
 	int disp_en_gpio;
 	int disp_te_gpio;
 	int mode_gpio;
-	int rst_gpio_requested;
-	int disp_en_gpio_requested;
 	int disp_te_gpio_requested;
-	int mode_gpio_requested;
 	int bklt_ctrl;	/* backlight ctrl */
 	int pwm_period;
 	int pwm_pmic_gpio;
@@ -290,6 +289,8 @@
 	struct mutex mutex;
 	struct mutex cmd_mutex;
 
+	bool ulps;
+
 	struct dsi_buf tx_buf;
 	struct dsi_buf rx_buf;
 };
@@ -303,8 +304,7 @@
 int mdss_dsi_cmds_rx(struct mdss_dsi_ctrl_pdata *ctrl,
 			struct dsi_cmd_desc *cmds, int rlen);
 
-void mdss_dsi_host_init(struct mipi_panel_info *pinfo,
-				struct mdss_panel_data *pdata);
+void mdss_dsi_host_init(struct mdss_panel_data *pdata);
 void mdss_dsi_op_mode_config(int mode,
 				struct mdss_panel_data *pdata);
 void mdss_dsi_cmd_mode_ctrl(int enable);
@@ -337,7 +337,7 @@
 void mdss_dsi_clk_deinit(struct mdss_dsi_ctrl_pdata *ctrl_pdata);
 int mdss_dsi_enable_bus_clocks(struct mdss_dsi_ctrl_pdata *ctrl_pdata);
 void mdss_dsi_disable_bus_clocks(struct mdss_dsi_ctrl_pdata *ctrl_pdata);
-void mdss_dsi_panel_reset(struct mdss_panel_data *pdata, int enable);
+int mdss_dsi_panel_reset(struct mdss_panel_data *pdata, int enable);
 void mdss_dsi_phy_disable(struct mdss_dsi_ctrl_pdata *ctrl);
 void mdss_dsi_phy_init(struct mdss_panel_data *pdata);
 void mdss_dsi_phy_sw_reset(unsigned char *ctrl_base);
@@ -351,6 +351,7 @@
 int mdss_dsi_cmdlist_commit(struct mdss_dsi_ctrl_pdata *ctrl, int from_mdp);
 void mdss_dsi_cmdlist_kickoff(int intf);
 int mdss_dsi_bta_status_check(struct mdss_dsi_ctrl_pdata *ctrl);
+bool __mdss_dsi_clk_enabled(struct mdss_dsi_ctrl_pdata *ctrl);
 
 int mdss_dsi_panel_init(struct device_node *node,
 		struct mdss_dsi_ctrl_pdata *ctrl_pdata,
diff --git a/drivers/video/msm/mdss/mdss_dsi_host.c b/drivers/video/msm/mdss/mdss_dsi_host.c
index b4478ac..c2fbc1a 100644
--- a/drivers/video/msm/mdss/mdss_dsi_host.c
+++ b/drivers/video/msm/mdss/mdss_dsi_host.c
@@ -250,12 +250,12 @@
 	MIPI_OUTP((ctrl->ctrl_base) + 0x015c, 0x0);
 }
 
-void mdss_dsi_host_init(struct mipi_panel_info *pinfo,
-				struct mdss_panel_data *pdata)
+void mdss_dsi_host_init(struct mdss_panel_data *pdata)
 {
 	u32 dsi_ctrl, intr_ctrl;
 	u32 data;
 	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
+	struct mipi_panel_info *pinfo = NULL;
 
 	if (pdata == NULL) {
 		pr_err("%s: Invalid input data\n", __func__);
@@ -265,6 +265,8 @@
 	ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata,
 				panel_data);
 
+	pinfo = &pdata->panel_info.mipi;
+
 	pinfo->rgb_swap = DSI_RGB_SWAP_RGB;
 
 	ctrl_pdata->panel_mode = pinfo->mode;
@@ -1477,7 +1479,9 @@
 			u32 isr0;
 			isr0 = MIPI_INP(left_ctrl_pdata->ctrl_base
 						+ 0x0110);/* DSI_INTR_CTRL */
-			MIPI_OUTP(left_ctrl_pdata->ctrl_base + 0x0110, isr0);
+			if (isr0 & DSI_INTR_CMD_DMA_DONE)
+				MIPI_OUTP(left_ctrl_pdata->ctrl_base + 0x0110,
+					DSI_INTR_CMD_DMA_DONE);
 		}
 
 	pr_debug("%s: ndx=%d isr=%x\n", __func__, ctrl->ndx, isr);
diff --git a/drivers/video/msm/mdss/mdss_dsi_panel.c b/drivers/video/msm/mdss/mdss_dsi_panel.c
index 76e6d1b..5415a7e 100644
--- a/drivers/video/msm/mdss/mdss_dsi_panel.c
+++ b/drivers/video/msm/mdss/mdss_dsi_panel.c
@@ -153,15 +153,53 @@
 	mdss_dsi_cmdlist_put(ctrl, &cmdreq);
 }
 
-void mdss_dsi_panel_reset(struct mdss_panel_data *pdata, int enable)
+static int mdss_dsi_request_gpios(struct mdss_dsi_ctrl_pdata *ctrl_pdata)
+{
+	int rc = 0;
+
+	if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
+		rc = gpio_request(ctrl_pdata->disp_en_gpio,
+						"disp_enable");
+		if (rc) {
+			pr_err("request disp_en gpio failed, rc=%d\n",
+				       rc);
+			goto disp_en_gpio_err;
+		}
+	}
+	rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
+	if (rc) {
+		pr_err("request reset gpio failed, rc=%d\n",
+			rc);
+		goto rst_gpio_err;
+	}
+	if (gpio_is_valid(ctrl_pdata->mode_gpio)) {
+		rc = gpio_request(ctrl_pdata->mode_gpio, "panel_mode");
+		if (rc) {
+			pr_err("request panel mode gpio failed,rc=%d\n",
+								rc);
+			goto mode_gpio_err;
+		}
+	}
+	return rc;
+
+mode_gpio_err:
+	gpio_free(ctrl_pdata->rst_gpio);
+rst_gpio_err:
+	if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
+		gpio_free(ctrl_pdata->disp_en_gpio);
+disp_en_gpio_err:
+	return rc;
+}
+
+int mdss_dsi_panel_reset(struct mdss_panel_data *pdata, int enable)
 {
 	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
 	struct mdss_panel_info *pinfo = NULL;
-	int i;
+	int i, rc = 0;
 
 	if (pdata == NULL) {
 		pr_err("%s: Invalid input data\n", __func__);
-		return;
+		return -EINVAL;
 	}
 
 	ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata,
@@ -175,21 +213,28 @@
 	if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
 		pr_debug("%s:%d, reset line not configured\n",
 			   __func__, __LINE__);
-		return;
+		return rc;
 	}
 
 	pr_debug("%s: enable = %d\n", __func__, enable);
 	pinfo = &(ctrl_pdata->panel_data.panel_info);
 
 	if (enable) {
-		if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
-			gpio_set_value((ctrl_pdata->disp_en_gpio), 1);
+		rc = mdss_dsi_request_gpios(ctrl_pdata);
+		if (rc) {
+			pr_err("gpio request failed\n");
+			return rc;
+		}
+		if (!pinfo->panel_power_on) {
+			if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
+				gpio_set_value((ctrl_pdata->disp_en_gpio), 1);
 
-		for (i = 0; i < pdata->panel_info.rst_seq_len; ++i) {
-			gpio_set_value((ctrl_pdata->rst_gpio),
-				pdata->panel_info.rst_seq[i]);
-			if (pdata->panel_info.rst_seq[++i])
-				usleep(pdata->panel_info.rst_seq[i] * 1000);
+			for (i = 0; i < pdata->panel_info.rst_seq_len; ++i) {
+				gpio_set_value((ctrl_pdata->rst_gpio),
+					pdata->panel_info.rst_seq[i]);
+				if (pdata->panel_info.rst_seq[++i])
+					usleep(pinfo->rst_seq[i] * 1000);
+			}
 		}
 
 		if (gpio_is_valid(ctrl_pdata->mode_gpio)) {
@@ -205,10 +250,16 @@
 			pr_debug("%s: Reset panel done\n", __func__);
 		}
 	} else {
-		gpio_set_value((ctrl_pdata->rst_gpio), 0);
-		if (gpio_is_valid(ctrl_pdata->disp_en_gpio))
+		if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) {
 			gpio_set_value((ctrl_pdata->disp_en_gpio), 0);
+			gpio_free(ctrl_pdata->disp_en_gpio);
+		}
+		gpio_set_value((ctrl_pdata->rst_gpio), 0);
+		gpio_free(ctrl_pdata->rst_gpio);
+		if (gpio_is_valid(ctrl_pdata->mode_gpio))
+			gpio_free(ctrl_pdata->mode_gpio);
 	}
+	return rc;
 }
 
 static char caset[] = {0x2a, 0x00, 0x00, 0x03, 0x00};	/* DTYPE_DCS_LWRITE */
@@ -266,6 +317,17 @@
 	return rc;
 }
 
+static struct mdss_dsi_ctrl_pdata *get_rctrl_data(struct mdss_panel_data *pdata)
+{
+	if (!pdata || !pdata->next) {
+		pr_err("%s: Invalid panel data\n", __func__);
+		return NULL;
+	}
+
+	return container_of(pdata->next, struct mdss_dsi_ctrl_pdata,
+			panel_data);
+}
+
 static void mdss_dsi_panel_bl_ctrl(struct mdss_panel_data *pdata,
 							u32 bl_level)
 {
@@ -297,6 +359,16 @@
 		break;
 	case BL_DCS_CMD:
 		mdss_dsi_panel_bklt_dcs(ctrl_pdata, bl_level);
+		if (ctrl_pdata->shared_pdata.broadcast_enable &&
+				ctrl_pdata->ndx == DSI_CTRL_0) {
+			struct mdss_dsi_ctrl_pdata *rctrl_pdata = NULL;
+			rctrl_pdata = get_rctrl_data(pdata);
+			if (!rctrl_pdata) {
+				pr_err("%s: Right ctrl data NULL\n", __func__);
+				return;
+			}
+			mdss_dsi_panel_bklt_dcs(rctrl_pdata, bl_level);
+		}
 		break;
 	default:
 		pr_err("%s: Unknown bl_ctrl configuration\n",
@@ -632,6 +704,35 @@
 	return 0;
 }
 
+static int mdss_dsi_parse_panel_features(struct device_node *np,
+	struct mdss_dsi_ctrl_pdata *ctrl)
+{
+	struct mdss_panel_info *pinfo;
+
+	if (!np || !ctrl) {
+		pr_err("%s: Invalid arguments\n", __func__);
+		return -ENODEV;
+	}
+
+	pinfo = &ctrl->panel_data.panel_info;
+
+	pinfo->cont_splash_enabled = of_property_read_bool(np,
+		"qcom,cont-splash-enabled");
+
+	pinfo->partial_update_enabled = of_property_read_bool(np,
+		"qcom,partial-update-enabled");
+	pr_info("%s:%d Partial update %s\n", __func__, __LINE__,
+		(pinfo->partial_update_enabled ? "enabled" : "disabled"));
+	if (pinfo->partial_update_enabled)
+		ctrl->partial_update_fnc = mdss_dsi_panel_partial_update;
+
+	pinfo->ulps_feature_enabled = of_property_read_bool(np,
+		"qcom,ulps-enabled");
+	pr_info("%s: ulps feature %s", __func__,
+		(pinfo->ulps_feature_enabled ? "enabled" : "disabled"));
+
+	return 0;
+}
 
 static int mdss_panel_parse_dt(struct device_node *np,
 			struct mdss_dsi_ctrl_pdata *ctrl_pdata)
@@ -856,6 +957,11 @@
 	rc = of_property_read_u32(np, "qcom,mdss-dsi-t-clk-post", &tmp);
 	pinfo->mipi.t_clk_post = (!rc ? tmp : 0x03);
 
+	pinfo->mipi.rx_eot_ignore = of_property_read_bool(np,
+		"qcom,mdss-dsi-rx-eot-ignore");
+	pinfo->mipi.tx_eot_append = of_property_read_bool(np,
+		"qcom,mdss-dsi-tx-eot-append");
+
 	rc = of_property_read_u32(np, "qcom,mdss-dsi-stream", &tmp);
 	pinfo->mipi.stream = (!rc ? tmp : 0);
 
@@ -906,6 +1012,12 @@
 	mdss_dsi_parse_dcs_cmds(np, &ctrl_pdata->off_cmds,
 		"qcom,mdss-dsi-off-command", "qcom,mdss-dsi-off-command-state");
 
+	rc = mdss_dsi_parse_panel_features(np, ctrl_pdata);
+	if (rc) {
+		pr_err("%s: failed to parse panel features\n", __func__);
+		goto error;
+	}
+
 	return 0;
 
 error:
@@ -918,14 +1030,15 @@
 {
 	int rc = 0;
 	static const char *panel_name;
-	bool cont_splash_enabled;
-	bool partial_update_enabled;
+	struct mdss_panel_info *pinfo;
 
-	if (!node) {
-		pr_err("%s: no panel node\n", __func__);
+	if (!node || !ctrl_pdata) {
+		pr_err("%s: Invalid arguments\n", __func__);
 		return -ENODEV;
 	}
 
+	pinfo = &ctrl_pdata->panel_data.panel_info;
+
 	pr_debug("%s:%d\n", __func__, __LINE__);
 	panel_name = of_get_property(node, "qcom,mdss-dsi-panel-name", NULL);
 	if (!panel_name)
@@ -940,33 +1053,10 @@
 		return rc;
 	}
 
-	if (cmd_cfg_cont_splash)
-		cont_splash_enabled = of_property_read_bool(node,
-				"qcom,cont-splash-enabled");
-	else
-		cont_splash_enabled = false;
-	if (!cont_splash_enabled) {
-		pr_info("%s:%d Continuous splash flag not found.\n",
-				__func__, __LINE__);
-		ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 0;
-	} else {
-		pr_info("%s:%d Continuous splash flag enabled.\n",
-				__func__, __LINE__);
-
-		ctrl_pdata->panel_data.panel_info.cont_splash_enabled = 1;
-	}
-
-	partial_update_enabled = of_property_read_bool(node,
-						"qcom,partial-update-enabled");
-	if (partial_update_enabled) {
-		pr_info("%s:%d Partial update enabled.\n", __func__, __LINE__);
-		ctrl_pdata->panel_data.panel_info.partial_update_enabled = 1;
-		ctrl_pdata->partial_update_fnc = mdss_dsi_panel_partial_update;
-	} else {
-		pr_info("%s:%d Partial update disabled.\n", __func__, __LINE__);
-		ctrl_pdata->panel_data.panel_info.partial_update_enabled = 0;
-		ctrl_pdata->partial_update_fnc = NULL;
-	}
+	if (!cmd_cfg_cont_splash)
+		pinfo->cont_splash_enabled = false;
+	pr_info("%s: Continuous splash %s", __func__,
+		pinfo->cont_splash_enabled ? "enabled" : "disabled");
 
 	ctrl_pdata->on = mdss_dsi_panel_on;
 	ctrl_pdata->off = mdss_dsi_panel_off;
diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index 1df2903..252a86e 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -1214,9 +1214,11 @@
 	struct mdss_fb_proc_info *pinfo = NULL;
 	int result;
 	int pid = current->tgid;
+	struct task_struct *task = current->group_leader;
 
 	if (mfd->shutdown_pending) {
-		pr_err("Shutdown pending. Aborting operation\n");
+		pr_err("Shutdown pending. Aborting operation. Request from pid:%d name=%s\n",
+				pid, task->comm);
 		return -EPERM;
 	}
 
@@ -2213,7 +2215,8 @@
 	mdss_fb_power_setting_idle(mfd);
 	if ((cmd != MSMFB_VSYNC_CTRL) && (cmd != MSMFB_OVERLAY_VSYNC_CTRL) &&
 			(cmd != MSMFB_ASYNC_BLIT) && (cmd != MSMFB_BLIT) &&
-			(cmd != MSMFB_NOTIFY_UPDATE)) {
+			(cmd != MSMFB_NOTIFY_UPDATE) &&
+			(cmd != MSMFB_OVERLAY_PREPARE)) {
 		ret = mdss_fb_pan_idle(mfd);
 		if (ret) {
 			pr_debug("Shutdown pending. Aborting operation %x\n",
diff --git a/drivers/video/msm/mdss/mdss_hdmi_hdcp.c b/drivers/video/msm/mdss/mdss_hdmi_hdcp.c
index e56e9fa..2240941 100644
--- a/drivers/video/msm/mdss/mdss_hdmi_hdcp.c
+++ b/drivers/video/msm/mdss/mdss_hdmi_hdcp.c
@@ -1050,7 +1050,10 @@
 	}
 
 	if (++hdcp_ctrl->auth_retries == AUTH_RETRIES_TIME) {
-		hdmi_hdcp_off(hdcp_ctrl);
+		mutex_lock(hdcp_ctrl->init_data.mutex);
+		hdcp_ctrl->hdcp_state = HDCP_STATE_INACTIVE;
+		mutex_unlock(hdcp_ctrl->init_data.mutex);
+
 		hdcp_ctrl->auth_retries = 0;
 		ret = -ERANGE;
 	}
@@ -1077,13 +1080,6 @@
 		return 0;
 	}
 
-	ret = hdmi_msm_if_abort_reauth(hdcp_ctrl);
-
-	if (ret) {
-		DEV_ERR("%s: abort reauthentication!\n", __func__);
-		return ret;
-	}
-
 	/*
 	 * Disable HPD circuitry.
 	 * This is needed to reset the HDCP cipher engine so that when we
@@ -1109,6 +1105,13 @@
 		DSS_REG_R(hdcp_ctrl->init_data.core_io,
 		HDMI_HPD_CTRL) | BIT(28));
 
+	ret = hdmi_msm_if_abort_reauth(hdcp_ctrl);
+
+	if (ret) {
+		DEV_ERR("%s: abort reauthentication!\n", __func__);
+		return ret;
+	}
+
 	/* Restart authentication attempt */
 	DEV_DBG("%s: %s: Scheduling work to start HDCP authentication",
 		__func__, HDCP_STATE_NAME);
diff --git a/drivers/video/msm/mdss/mdss_hdmi_tx.c b/drivers/video/msm/mdss/mdss_hdmi_tx.c
index cd2f8e4..cdf9d73 100644
--- a/drivers/video/msm/mdss/mdss_hdmi_tx.c
+++ b/drivers/video/msm/mdss/mdss_hdmi_tx.c
@@ -1143,6 +1143,13 @@
 		hdmi_tx_set_audio_switch_node(hdmi_ctrl, 0, false);
 		hdmi_tx_wait_for_audio_engine(hdmi_ctrl);
 
+		if (!hdmi_ctrl->panel_power_on) {
+			if (hdmi_tx_enable_power(hdmi_ctrl, HDMI_TX_DDC_PM,
+				false))
+				DEV_WARN("%s: Failed to disable ddc power\n",
+					__func__);
+		}
+
 		hdmi_tx_send_cable_notification(hdmi_ctrl, 0);
 		DEV_INFO("%s: sense cable DISCONNECTED: state switch to %d\n",
 			__func__, hdmi_ctrl->sdev.state);
diff --git a/drivers/video/msm/mdss/mdss_mdp.c b/drivers/video/msm/mdss/mdss_mdp.c
index e1786a6..cfa594c 100644
--- a/drivers/video/msm/mdss/mdss_mdp.c
+++ b/drivers/video/msm/mdss/mdss_mdp.c
@@ -2405,8 +2405,10 @@
 		pr_debug("Enable MDP FS\n");
 		if (!mdata->fs_ena) {
 			regulator_enable(mdata->fs);
-			mdss_mdp_cx_ctrl(mdata, true);
-			mdss_mdp_batfet_ctrl(mdata, true);
+			if (!mdata->ulps) {
+				mdss_mdp_cx_ctrl(mdata, true);
+				mdss_mdp_batfet_ctrl(mdata, true);
+			}
 		}
 		mdata->fs_ena = true;
 	} else {
@@ -2414,13 +2416,41 @@
 		mdss_iommu_dettach(mdata);
 		if (mdata->fs_ena) {
 			regulator_disable(mdata->fs);
-			mdss_mdp_cx_ctrl(mdata, false);
-			mdss_mdp_batfet_ctrl(mdata, false);
+			if (!mdata->ulps) {
+				mdss_mdp_cx_ctrl(mdata, false);
+				mdss_mdp_batfet_ctrl(mdata, false);
+			}
 		}
 		mdata->fs_ena = false;
 	}
 }
 
+/**
+ * mdss_mdp_footswitch_ctrl_ulps() - MDSS GDSC control with ULPS feature
+ * @on: 1 to turn on footswitch, 0 to turn off footswitch
+ * @dev: framebuffer device node
+ *
+ * MDSS GDSC can be voted off during idle-screen usecase for MIPI DSI command
+ * mode displays with Ultra-Low Power State (ULPS) feature enabled. Upon
+ * subsequent frame update, MDSS GDSC needs to turned back on and hw state
+ * needs to be restored.
+ */
+void mdss_mdp_footswitch_ctrl_ulps(int on, struct device *dev)
+{
+	struct mdss_data_type *mdata = mdss_mdp_get_mdata();
+
+	pr_debug("called on=%d\n", on);
+	if (on) {
+		pm_runtime_get_sync(dev);
+		mdss_iommu_attach(mdata);
+		mdss_hw_init(mdata);
+		mdata->ulps = false;
+	} else {
+		mdata->ulps = true;
+		pm_runtime_put_sync(dev);
+	}
+}
+
 static inline int mdss_mdp_suspend_sub(struct mdss_data_type *mdata)
 {
 	mdata->suspend_fs_ena = mdata->fs_ena;
diff --git a/drivers/video/msm/mdss/mdss_mdp.h b/drivers/video/msm/mdss/mdss_mdp.h
index 3afb27e..9a469a4 100644
--- a/drivers/video/msm/mdss/mdss_mdp.h
+++ b/drivers/video/msm/mdss/mdss_mdp.h
@@ -681,6 +681,8 @@
 
 int mdss_mdp_wb_set_secure(struct msm_fb_data_type *mfd, int enable);
 int mdss_mdp_wb_get_secure(struct msm_fb_data_type *mfd, uint8_t *enable);
+void mdss_mdp_ctl_restore(struct mdss_mdp_ctl *ctl);
+void mdss_mdp_footswitch_ctrl_ulps(int on, struct device *dev);
 
 int mdss_mdp_pipe_program_pixel_extn(struct mdss_mdp_pipe *pipe);
 #define mfd_to_mdp5_data(mfd) (mfd->mdp.private1)
diff --git a/drivers/video/msm/mdss/mdss_mdp_ctl.c b/drivers/video/msm/mdss/mdss_mdp_ctl.c
index b445afa..fa64448 100644
--- a/drivers/video/msm/mdss/mdss_mdp_ctl.c
+++ b/drivers/video/msm/mdss/mdss_mdp_ctl.c
@@ -1588,6 +1588,25 @@
 	return rc;
 }
 
+/*
+ * mdss_mdp_ctl_restore() - restore mdp ctl path
+ * @ctl: mdp controller.
+ *
+ * This function is called whenever MDP comes out of a power collapse as
+ * a result of a screen update when DSI ULPS mode is enabled. It restores
+ * the MDP controller's software state to the hardware registers.
+ */
+void mdss_mdp_ctl_restore(struct mdss_mdp_ctl *ctl)
+{
+	u32 temp;
+
+	temp = readl_relaxed(ctl->mdata->mdp_base +
+		MDSS_MDP_REG_DISP_INTF_SEL);
+	temp |= (ctl->intf_type << ((ctl->intf_num - MDSS_MDP_INTF0) * 8));
+	writel_relaxed(temp, ctl->mdata->mdp_base +
+		MDSS_MDP_REG_DISP_INTF_SEL);
+}
+
 static int mdss_mdp_ctl_start_sub(struct mdss_mdp_ctl *ctl, bool handoff)
 {
 	struct mdss_mdp_mixer *mixer;
diff --git a/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c b/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c
index 79bdee2..8c7dc29 100644
--- a/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c
+++ b/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c
@@ -27,6 +27,7 @@
 #define KOFF_TIMEOUT msecs_to_jiffies(84)
 
 #define STOP_TIMEOUT msecs_to_jiffies(16 * (VSYNC_EXPIRE_TICK + 2))
+#define ULPS_ENTER_TIME msecs_to_jiffies(100)
 
 struct mdss_mdp_cmd_ctx {
 	struct mdss_mdp_ctl *ctl;
@@ -43,6 +44,7 @@
 	struct mutex clk_mtx;
 	spinlock_t clk_lock;
 	struct work_struct clk_work;
+	struct delayed_work ulps_work;
 	struct work_struct pp_done_work;
 	atomic_t pp_done_cnt;
 
@@ -53,6 +55,7 @@
 	u16 start_threshold;
 	u32 vclk_line;	/* vsync clock per line */
 	struct mdss_panel_recovery recovery;
+	bool ulps;
 };
 
 struct mdss_mdp_cmd_ctx mdss_mdp_cmd_ctx_list[MAX_SESSIONS];
@@ -200,8 +203,19 @@
 	mutex_lock(&ctx->clk_mtx);
 	if (!ctx->clk_enabled) {
 		ctx->clk_enabled = 1;
+		if (cancel_delayed_work_sync(&ctx->ulps_work))
+			pr_debug("deleted pending ulps work\n");
 		mdss_mdp_ctl_intf_event
 			(ctx->ctl, MDSS_EVENT_PANEL_CLK_CTRL, (void *)1);
+
+		if (ctx->ulps) {
+			if (mdss_mdp_cmd_tearcheck_setup(ctx->ctl, 1))
+				pr_warn("tearcheck setup failed\n");
+			mdss_mdp_ctl_intf_event(ctx->ctl,
+				MDSS_EVENT_DSI_ULPS_CTRL, (void *)0);
+			ctx->ulps = false;
+		}
+
 		mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON, false);
 		mdss_mdp_hist_intr_setup(&mdata->hist_intr, MDSS_IRQ_RESUME);
 	}
@@ -231,6 +245,8 @@
 		mdss_mdp_ctl_intf_event
 			(ctx->ctl, MDSS_EVENT_PANEL_CLK_CTRL, (void *)0);
 		mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
+		if (ctx->panel_on)
+			schedule_delayed_work(&ctx->ulps_work, ULPS_ENTER_TIME);
 	}
 	mutex_unlock(&ctx->clk_mtx);
 }
@@ -365,6 +381,38 @@
 	mdss_mdp_cmd_clk_off(ctx);
 }
 
+static void __mdss_mdp_cmd_ulps_work(struct work_struct *work)
+{
+	struct delayed_work *dw = to_delayed_work(work);
+	struct mdss_mdp_cmd_ctx *ctx =
+		container_of(dw, struct mdss_mdp_cmd_ctx, ulps_work);
+
+	if (!ctx) {
+		pr_err("%s: invalid ctx\n", __func__);
+		return;
+	}
+
+	mutex_lock(&ctx->clk_mtx);
+	if (ctx->clk_enabled) {
+		mutex_unlock(&ctx->clk_mtx);
+		pr_warn("Cannot enter ulps mode if DSI clocks are on\n");
+		return;
+	}
+	mutex_unlock(&ctx->clk_mtx);
+
+	if (!ctx->panel_on) {
+		pr_err("Panel is off. skipping ULPS configuration\n");
+		return;
+	}
+
+	if (!mdss_mdp_ctl_intf_event(ctx->ctl, MDSS_EVENT_DSI_ULPS_CTRL,
+		(void *)1)) {
+		ctx->ulps = true;
+		ctx->ctl->play_cnt = 0;
+		mdss_mdp_footswitch_ctrl_ulps(0, &ctx->ctl->mfd->pdev->dev);
+	}
+}
+
 static int mdss_mdp_cmd_add_vsync_handler(struct mdss_mdp_ctl *ctl,
 		struct mdss_mdp_vsync_handler *handle)
 {
@@ -583,11 +631,14 @@
 	if (cancel_work_sync(&ctx->clk_work))
 		pr_debug("no pending clk work\n");
 
+	if (cancel_delayed_work_sync(&ctx->ulps_work))
+		pr_debug("deleted pending ulps work\n");
+
+	ctx->panel_on = 0;
 	mdss_mdp_cmd_clk_off(ctx);
 
 	flush_work(&ctx->pp_done_work);
 
-	ctx->panel_on = 0;
 
 	mdss_mdp_set_intr_callback(MDSS_MDP_IRQ_PING_PONG_RD_PTR, ctx->pp_num,
 				   NULL, NULL);
@@ -653,6 +704,7 @@
 	spin_lock_init(&ctx->clk_lock);
 	mutex_init(&ctx->clk_mtx);
 	INIT_WORK(&ctx->clk_work, clk_ctrl_work);
+	INIT_DELAYED_WORK(&ctx->ulps_work, __mdss_mdp_cmd_ulps_work);
 	INIT_WORK(&ctx->pp_done_work, pingpong_done_work);
 	atomic_set(&ctx->pp_done_cnt, 0);
 	INIT_LIST_HEAD(&ctx->vsync_handlers);
diff --git a/drivers/video/msm/mdss/mdss_mdp_overlay.c b/drivers/video/msm/mdss/mdss_mdp_overlay.c
index 4a71a84..7420f95 100644
--- a/drivers/video/msm/mdss/mdss_mdp_overlay.c
+++ b/drivers/video/msm/mdss/mdss_mdp_overlay.c
@@ -847,6 +847,11 @@
 	struct mdss_mdp_ctl *ctl = mdp5_data->ctl;
 
 	if (ctl->power_on) {
+		if (mdp5_data->mdata->ulps) {
+			mdss_mdp_footswitch_ctrl_ulps(1, &mfd->pdev->dev);
+			mdss_mdp_ctl_restore(ctl);
+		}
+
 		if (!mdp5_data->mdata->batfet)
 			mdss_mdp_batfet_ctrl(mdp5_data->mdata, true);
 		if (!mfd->panel_info->cont_splash_enabled)
@@ -1042,11 +1047,13 @@
 			pipe->mixer = mdss_mdp_mixer_get(tmp,
 					MDSS_MDP_MIXER_MUX_DEFAULT);
 		}
+
+		/* ensure pipes are always reconfigured after power off/on */
+		if (ctl->play_cnt == 0)
+			pipe->params_changed++;
+
 		if (pipe->back_buf.num_planes) {
 			buf = &pipe->back_buf;
-		} else if (ctl->play_cnt == 0 && pipe->front_buf.num_planes) {
-			pipe->params_changed++;
-			buf = &pipe->front_buf;
 		} else if (!pipe->params_changed) {
 			continue;
 		} else if (pipe->front_buf.num_planes) {
@@ -2270,10 +2277,12 @@
 		struct mdp_overlay_list *ovlist,
 		struct mdp_overlay *overlays)
 {
+	struct mdss_mdp_pipe *right_plist[MDSS_MDP_MAX_STAGE] = { 0 };
+	struct mdss_mdp_pipe *left_plist[MDSS_MDP_MAX_STAGE] = { 0 };
 	struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
 	struct mdss_mdp_pipe *pipe;
 	struct mdp_overlay *req;
-	int ret = 0;
+	int ret = 0, left_cnt = 0, right_cnt = 0;
 	int i;
 	u32 new_reqs = 0;
 
@@ -2302,8 +2311,29 @@
 		/* keep track of the new overlays to unset in case of errors */
 		if (pipe->play_cnt == 0)
 			new_reqs |= pipe->ndx;
+
+		if (pipe->flags & MDSS_MDP_RIGHT_MIXER) {
+			if (right_cnt >= MDSS_MDP_MAX_STAGE) {
+				pr_err("too many pipes on right mixer\n");
+				ret = -EINVAL;
+				goto validate_exit;
+			}
+			right_plist[right_cnt] = pipe;
+			right_cnt++;
+		} else {
+			if (left_cnt >= MDSS_MDP_MAX_STAGE) {
+				pr_err("too many pipes on left mixer\n");
+				ret = -EINVAL;
+				goto validate_exit;
+			}
+			left_plist[left_cnt] = pipe;
+			left_cnt++;
+		}
 	}
 
+	ret = mdss_mdp_perf_bw_check(mdp5_data->ctl, left_plist, left_cnt,
+			right_plist, right_cnt);
+
 validate_exit:
 	if (IS_ERR_VALUE(ret))
 		mdss_mdp_overlay_release(mfd, new_reqs);
diff --git a/drivers/video/msm/mdss/mdss_mdp_pp.c b/drivers/video/msm/mdss/mdss_mdp_pp.c
index 5c9ad9c..54ec6f8 100644
--- a/drivers/video/msm/mdss/mdss_mdp_pp.c
+++ b/drivers/video/msm/mdss/mdss_mdp_pp.c
@@ -1625,7 +1625,7 @@
  */
 int mdss_mdp_pp_resume(struct mdss_mdp_ctl *ctl, u32 dspp_num)
 {
-	u32 flags = 0, disp_num, bl;
+	u32 flags = 0, disp_num, bl, ret = 0;
 	struct pp_sts_type pp_sts;
 	struct mdss_ad_info *ad;
 	struct mdss_data_type *mdata = ctl->mdata;
@@ -1636,7 +1636,9 @@
 	disp_num = ctl->mfd->index;
 
 	if (dspp_num < mdata->nad_cfgs) {
-		ad = &mdata->ad_cfgs[dspp_num];
+		ret = mdss_mdp_get_ad(ctl->mfd, &ad);
+		if (ret)
+			return ret;
 
 		if (PP_AD_STATE_CFG & ad->state)
 			pp_ad_cfg_write(&mdata->ad_off[dspp_num], ad);
diff --git a/drivers/video/msm/mdss/mdss_panel.h b/drivers/video/msm/mdss/mdss_panel.h
index 274c523..135a00a 100644
--- a/drivers/video/msm/mdss/mdss_panel.h
+++ b/drivers/video/msm/mdss/mdss_panel.h
@@ -127,6 +127,11 @@
 				 - 1 clock enable
  * @MDSS_EVENT_ENABLE_PARTIAL_UPDATE: Event to update ROI of the panel.
  * @MDSS_EVENT_DSI_CMDLIST_KOFF: acquire dsi_mdp_busy lock before kickoff.
+ * @MDSS_EVENT_DSI_ULPS_CTRL:	Event to configure Ultra Lower Power Saving
+ *				mode for the DSI data and clock lanes. The
+ *				event arguments can have one of these values:
+ *				- 0: Disable ULPS mode
+ *				- 1: Enable ULPS mode
  */
 enum mdss_intf_events {
 	MDSS_EVENT_RESET = 1,
@@ -145,6 +150,7 @@
 	MDSS_EVENT_PANEL_CLK_CTRL,
 	MDSS_EVENT_DSI_CMDLIST_KOFF,
 	MDSS_EVENT_ENABLE_PARTIAL_UPDATE,
+	MDSS_EVENT_DSI_ULPS_CTRL,
 };
 
 struct lcd_panel_info {
@@ -300,6 +306,7 @@
 	int pwm_period;
 	u32 mode_gpio_state;
 	bool dynamic_fps;
+	bool ulps_feature_enabled;
 	char dfps_update;
 	int new_fps;
 
diff --git a/drivers/video/msm/mdss/msm_mdss_io_8974.c b/drivers/video/msm/mdss/msm_mdss_io_8974.c
index 6ebcdf6..a0663e3 100644
--- a/drivers/video/msm/mdss/msm_mdss_io_8974.c
+++ b/drivers/video/msm/mdss/msm_mdss_io_8974.c
@@ -64,6 +64,16 @@
 		goto mdss_dsi_clk_err;
 	}
 
+	if (ctrl_pdata->panel_data.panel_info.type == MIPI_CMD_PANEL) {
+		ctrl_pdata->mmss_misc_ahb_clk = clk_get(dev, "core_mmss_clk");
+		if (IS_ERR(ctrl_pdata->mmss_misc_ahb_clk)) {
+			rc = PTR_ERR(ctrl_pdata->mmss_misc_ahb_clk);
+			pr_err("%s: Unable to get mmss misc ahb clk. rc=%d\n",
+				__func__, rc);
+			goto mdss_dsi_clk_err;
+		}
+	}
+
 	ctrl_pdata->byte_clk = clk_get(dev, "byte_clk");
 	if (IS_ERR(ctrl_pdata->byte_clk)) {
 		rc = PTR_ERR(ctrl_pdata->byte_clk);
@@ -105,6 +115,8 @@
 		clk_put(ctrl_pdata->esc_clk);
 	if (ctrl_pdata->pixel_clk)
 		clk_put(ctrl_pdata->pixel_clk);
+	if (ctrl_pdata->mmss_misc_ahb_clk)
+		clk_put(ctrl_pdata->mmss_misc_ahb_clk);
 	if (ctrl_pdata->axi_clk)
 		clk_put(ctrl_pdata->axi_clk);
 	if (ctrl_pdata->ahb_clk)
@@ -275,12 +287,26 @@
 		goto error;
 	}
 
+	if (ctrl_pdata->mmss_misc_ahb_clk) {
+		rc = clk_prepare_enable(ctrl_pdata->mmss_misc_ahb_clk);
+		if (rc) {
+			pr_err("%s: failed to enable mmss misc ahb clk.rc=%d\n",
+				__func__, rc);
+			clk_disable_unprepare(ctrl_pdata->axi_clk);
+			clk_disable_unprepare(ctrl_pdata->ahb_clk);
+			clk_disable_unprepare(ctrl_pdata->mdp_core_clk);
+			goto error;
+		}
+	}
+
 error:
 	return rc;
 }
 
 void mdss_dsi_bus_clk_stop(struct mdss_dsi_ctrl_pdata *ctrl_pdata)
 {
+	if (ctrl_pdata->mmss_misc_ahb_clk)
+		clk_disable_unprepare(ctrl_pdata->mmss_misc_ahb_clk);
 	clk_disable_unprepare(ctrl_pdata->axi_clk);
 	clk_disable_unprepare(ctrl_pdata->ahb_clk);
 	clk_disable_unprepare(ctrl_pdata->mdp_core_clk);
@@ -507,6 +533,16 @@
 
 static DEFINE_MUTEX(dsi_clk_lock); /* per system */
 
+bool __mdss_dsi_clk_enabled(struct mdss_dsi_ctrl_pdata *ctrl)
+{
+	bool enabled;
+	mutex_lock(&dsi_clk_lock);
+	enabled = ctrl->clk_cnt ? true : false;
+	mutex_unlock(&dsi_clk_lock);
+
+	return enabled;
+}
+
 void mdss_dsi_clk_ctrl(struct mdss_dsi_ctrl_pdata *ctrl, int enable)
 {
 	int changed = 0;
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 272fe77..8b604e3 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -94,6 +94,7 @@
 	u8			raw_erased_mem_count;	/* 181 */
 	u8			raw_ext_csd_structure;	/* 194 */
 	u8			raw_card_type;		/* 196 */
+	u8			raw_drive_strength;	/* 197 */
 	u8			out_of_int_time;	/* 198 */
 	u8			raw_s_a_timeout;		/* 217 */
 	u8			raw_hc_erase_gap_size;	/* 221 */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 764beec..b626915 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -303,6 +303,7 @@
 #define EXT_CSD_REV			192	/* RO */
 #define EXT_CSD_STRUCTURE		194	/* RO */
 #define EXT_CSD_CARD_TYPE		196	/* RO */
+#define EXT_CSD_DRIVE_STRENGTH		197	/* RO */
 #define EXT_CSD_OUT_OF_INTERRUPT_TIME	198	/* RO */
 #define EXT_CSD_PART_SWITCH_TIME        199     /* RO */
 #define EXT_CSD_PWR_CL_52_195		200	/* RO */
diff --git a/include/linux/slimbus/slimbus.h b/include/linux/slimbus/slimbus.h
index 56a3a5f..7a7b3eb 100644
--- a/include/linux/slimbus/slimbus.h
+++ b/include/linux/slimbus/slimbus.h
@@ -525,6 +525,8 @@
  * @port_xfer_status: Called by framework when client calls get_xfer_status
  *	API. Returns how much buffer is actually processed and the port
  *	errors (e.g. overflow/underflow) if any.
+ * @xfer_user_msg: Send user message to specified logical address. Underlying
+ *	controller has to support sending user messages. Returns error if any.
  */
 struct slim_controller {
 	struct device		dev;
@@ -567,10 +569,13 @@
 	int			(*framer_handover)(struct slim_controller *ctrl,
 				struct slim_framer *new_framer);
 	int			(*port_xfer)(struct slim_controller *ctrl,
-				u8 pn, u8 *iobuf, u32 len,
+				u8 pn, phys_addr_t iobuf, u32 len,
 				struct completion *comp);
 	enum slim_port_err	(*port_xfer_status)(struct slim_controller *ctr,
-				u8 pn, u8 **done_buf, u32 *done_len);
+				u8 pn, phys_addr_t *done_buf, u32 *done_len);
+	int			(*xfer_user_msg)(struct slim_controller *ctrl,
+				u8 la, u8 mt, u8 mc,
+				struct slim_ele_access *msg, u8 *buf, u8 len);
 };
 #define to_slim_controller(d) container_of(d, struct slim_controller, dev)
 
@@ -744,6 +749,20 @@
 extern int slim_xfer_msg(struct slim_controller *ctrl,
 			struct slim_device *sbdev, struct slim_ele_access *msg,
 			u16 mc, u8 *rbuf, const u8 *wbuf, u8 len);
+
+/*
+ * User message:
+ * slim_user_msg: Send user message that is interpreted by destination device
+ * @sb: Client handle sending the message
+ * @la: Destination device for this user message
+ * @mt: Message Type (Soruce-referred, or Destination-referred)
+ * @mc: Message Code
+ * @msg: Message structure (start offset, number of bytes) to be sent
+ * @buf: data buffer to be sent
+ * @len: data buffer size in bytes
+ */
+extern int slim_user_msg(struct slim_device *sb, u8 la, u8 mt, u8 mc,
+				struct slim_ele_access *msg, u8 *buf, u8 len);
 /* end of message apis */
 
 /* Port management for manager device APIs */
@@ -783,8 +802,8 @@
  * Client will call slim_port_get_xfer_status to get error and/or number of
  * bytes transferred if used asynchronously.
  */
-extern int slim_port_xfer(struct slim_device *sb, u32 ph, u8 *iobuf, u32 len,
-				struct completion *comp);
+extern int slim_port_xfer(struct slim_device *sb, u32 ph, phys_addr_t iobuf,
+				u32 len, struct completion *comp);
 
 /*
  * slim_port_get_xfer_status: Poll for port transfers, or get transfer status
@@ -806,7 +825,7 @@
  * processed from the multiple transfers.
  */
 extern enum slim_port_err slim_port_get_xfer_status(struct slim_device *sb,
-			u32 ph, u8 **done_buf, u32 *done_len);
+			u32 ph, phys_addr_t *done_buf, u32 *done_len);
 
 /*
  * slim_connect_src: Connect source port to channel.
diff --git a/include/linux/tick.h b/include/linux/tick.h
index dc15221..78ae909 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -92,7 +92,16 @@
 #  ifdef CONFIG_TICK_ONESHOT
 extern struct cpumask *tick_get_broadcast_oneshot_mask(void);
 #  endif
+#else
+static inline struct tick_device *tick_get_broadcast_device(void)
+{
+	return NULL;
+}
 
+static inline struct cpumask *tick_get_broadcast_mask(void)
+{
+	return NULL;
+}
 # endif /* BROADCAST */
 
 # ifdef CONFIG_TICK_ONESHOT
@@ -109,6 +118,10 @@
 static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
 static inline void tick_check_idle(int cpu) { }
 static inline int tick_oneshot_mode_active(void) { return 0; }
+static inline struct cpumask *tick_get_broadcast_oneshot_mask(void)
+{
+	return NULL;
+}
 # endif
 
 #else /* CONFIG_GENERIC_CLOCKEVENTS */
diff --git a/include/media/msmb_isp.h b/include/media/msmb_isp.h
index 3ba0abe..3828221 100644
--- a/include/media/msmb_isp.h
+++ b/include/media/msmb_isp.h
@@ -1,3 +1,14 @@
+/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 #ifndef __MSMB_ISP__
 #define __MSMB_ISP__
 
@@ -302,15 +313,16 @@
 	ISP_WM_BUS_OVERFLOW = 4,
 	ISP_STATS_OVERFLOW  = 5,
 	ISP_CAMIF_ERROR     = 6,
-	ISP_SOF             = 7,
-	ISP_EOF             = 8,
-	ISP_EVENT_MAX       = 9
+	ISP_BUF_DONE        = 9,
+	ISP_EVENT_MAX       = 10
 };
 
 #define ISP_EVENT_OFFSET          8
 #define ISP_EVENT_BASE            (V4L2_EVENT_PRIVATE_START)
 #define ISP_BUF_EVENT_BASE        (ISP_EVENT_BASE + (1 << ISP_EVENT_OFFSET))
 #define ISP_STATS_EVENT_BASE      (ISP_EVENT_BASE + (2 << ISP_EVENT_OFFSET))
+#define ISP_SOF_EVENT_BASE        (ISP_EVENT_BASE + (3 << ISP_EVENT_OFFSET))
+#define ISP_EOF_EVENT_BASE        (ISP_EVENT_BASE + (4 << ISP_EVENT_OFFSET))
 #define ISP_EVENT_REG_UPDATE      (ISP_EVENT_BASE + ISP_REG_UPDATE)
 #define ISP_EVENT_START_ACK       (ISP_EVENT_BASE + ISP_START_ACK)
 #define ISP_EVENT_STOP_ACK        (ISP_EVENT_BASE + ISP_STOP_ACK)
@@ -318,8 +330,9 @@
 #define ISP_EVENT_WM_BUS_OVERFLOW (ISP_EVENT_BASE + ISP_WM_BUS_OVERFLOW)
 #define ISP_EVENT_STATS_OVERFLOW  (ISP_EVENT_BASE + ISP_STATS_OVERFLOW)
 #define ISP_EVENT_CAMIF_ERROR     (ISP_EVENT_BASE + ISP_CAMIF_ERROR)
-#define ISP_EVENT_SOF             (ISP_EVENT_BASE + ISP_SOF)
-#define ISP_EVENT_EOF             (ISP_EVENT_BASE + ISP_EOF)
+#define ISP_EVENT_SOF             (ISP_SOF_EVENT_BASE)
+#define ISP_EVENT_EOF             (ISP_EOF_EVENT_BASE)
+#define ISP_EVENT_BUF_DONE        (ISP_EVENT_BASE + ISP_BUF_DONE)
 #define ISP_EVENT_BUF_DIVERT      (ISP_BUF_EVENT_BASE)
 #define ISP_EVENT_STATS_NOTIFY    (ISP_STATS_EVENT_BASE)
 #define ISP_EVENT_COMP_STATS_NOTIFY (ISP_EVENT_STATS_NOTIFY + MSM_ISP_STATS_MAX)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 9f0d486..ecaef21 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3224,8 +3224,8 @@
 static inline struct sk_buff *
 cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int approxlen)
 {
-	return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_TESTMODE,
-					  NL80211_ATTR_TESTDATA, approxlen);
+	return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_VENDOR,
+					  NL80211_ATTR_VENDOR_DATA, approxlen);
 }
 
 /**
diff --git a/include/sound/Kbuild b/include/sound/Kbuild
index 60847b0..aeccfed 100644
--- a/include/sound/Kbuild
+++ b/include/sound/Kbuild
@@ -13,3 +13,4 @@
 header-y += compress_offload.h
 header-y += lsm_params.h
 header-y += voice_params.h
+header-y += voice_svc.h
diff --git a/include/sound/apr_audio-v2.h b/include/sound/apr_audio-v2.h
index 2c969cd..1c6ea04 100644
--- a/include/sound/apr_audio-v2.h
+++ b/include/sound/apr_audio-v2.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
@@ -579,6 +579,15 @@
 	/* Clients must set this field to zero.*/
 } __packed;
 
+#define ASM_PARAM_ID_AAC_STEREO_MIX_COEFF_SELECTION_FLAG_V2 (0x00010DD8)
+
+struct asm_aac_stereo_mix_coeff_selection_param_v2 {
+	struct apr_hdr          hdr;
+	u32                     param_id;
+	u32                     param_size;
+	u32                     aac_stereo_mix_coeff_flag;
+} __packed;
+
 /* Allows a client to connect the desired stream to
  * the desired AFE port through the stream router
  *
@@ -6874,6 +6883,7 @@
 #define Q6AFE_LPASS_IBIT_CLK_1_P024_MHZ		 0xFA000
 #define Q6AFE_LPASS_IBIT_CLK_768_KHZ		 0xBB800
 #define Q6AFE_LPASS_IBIT_CLK_512_KHZ		 0x7D000
+#define Q6AFE_LPASS_IBIT_CLK_256_KHZ		 0x3E800
 #define Q6AFE_LPASS_IBIT_CLK_DISABLE		     0x0
 
 /* Supported LPASS CLK sources */
diff --git a/include/sound/voice_svc.h b/include/sound/voice_svc.h
new file mode 100644
index 0000000..7045018
--- /dev/null
+++ b/include/sound/voice_svc.h
@@ -0,0 +1,46 @@
+#ifndef __VOICE_SVC_H__
+#define __VOICE_SVC_H__
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define VOICE_SVC_DRIVER_NAME "voice_svc"
+
+#define VOICE_SVC_MVM_STR "MVM"
+#define VOICE_SVC_CVS_STR "CVS"
+#define MAX_APR_SERVICE_NAME_LEN  64
+
+struct voice_svc_register {
+    char svc_name[MAX_APR_SERVICE_NAME_LEN];
+    __u32 src_port;
+    __u8 reg_flag;
+};
+
+struct voice_svc_cmd_response {
+    __u32 src_port;
+    __u32 dest_port;
+    __u32 token;
+    __u32 opcode;
+    __u32 payload_size;
+    __u8 payload[0];
+};
+
+struct voice_svc_cmd_request {
+    char svc_name[MAX_APR_SERVICE_NAME_LEN];
+    __u32 src_port;
+    __u32 dest_port;
+    __u32 token;
+    __u32 opcode;
+    __u32 payload_size;
+    __u8 payload[0];
+};
+
+#define VOICE_SVC_MAGIC 'N'
+
+#define SNDRV_VOICE_SVC_REGISTER_SVC    _IOWR(VOICE_SVC_MAGIC, \
+                    0x01, struct voice_svc_register)
+#define SNDRV_VOICE_SVC_CMD_RESPONSE    _IOWR(VOICE_SVC_MAGIC, \
+                    0x02, struct voice_svc_cmd_response)
+#define SNDRV_VOICE_SVC_CMD_REQUEST    _IOWR(VOICE_SVC_MAGIC, \
+                    0x03, struct voice_svc_cmd_request)
+#endif
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 0218f4b..fd699ca 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -177,7 +177,7 @@
 	struct gen_pool_chunk *chunk;
 	int nbits = size >> pool->min_alloc_order;
 	int nbytes = sizeof(struct gen_pool_chunk) +
-				(nbits + BITS_PER_BYTE - 1) / BITS_PER_BYTE;
+				BITS_TO_LONGS(nbits) * sizeof(long);
 
 	if (nbytes <= PAGE_SIZE)
 		chunk = kmalloc_node(nbytes, __GFP_ZERO, nid);
diff --git a/net/wireless/db.txt b/net/wireless/db.txt
index c27f165..f6c74c9 100644
--- a/net/wireless/db.txt
+++ b/net/wireless/db.txt
@@ -18,7 +18,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country AL:
@@ -42,7 +42,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country AS:
@@ -64,7 +64,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country AW:
@@ -139,7 +139,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country BS:
@@ -163,7 +163,7 @@
 	(2402 - 2472 @ 40), (N/A, 27)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country CH: DFS-ETSI
@@ -196,14 +196,14 @@
 	(2402 - 2472 @ 40), (N/A, 27)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country CR:
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 20), (3, 17)
 	(5250 - 5330 @ 20), (3, 24), DFS
-	(5490 - 5710 @ 20), (3, 24), DFS
+	(5490 - 5730 @ 20), (3, 24), DFS
 	(5735 - 5835 @ 20), (3, 30)
 
 country CY: DFS-ETSI
@@ -271,7 +271,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 20), (3, 17)
 	(5250 - 5330 @ 20), (3, 24), DFS
-	(5490 - 5710 @ 20), (3, 24), DFS
+	(5490 - 5730 @ 20), (3, 24), DFS
 	(5735 - 5835 @ 20), (3, 30)
 
 country EE: DFS-ETSI
@@ -342,7 +342,7 @@
 	(2402 - 2472 @ 40), (3, 30)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country GP:
@@ -375,21 +375,21 @@
 	(2402 - 2472 @ 40), (3, 30)
 	(5170 - 5250 @ 20), (6, 17)
 	(5250 - 5330 @ 20), (6, 24), DFS
-	(5490 - 5710 @ 20), (6, 24), DFS
+	(5490 - 5730 @ 20), (6, 24), DFS
 	(5735 - 5835 @ 20), (6, 30)
 
 country HN:
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country HK:
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country HR: DFS-ETSI
@@ -462,7 +462,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country JP:
@@ -495,7 +495,7 @@
         (2402 - 2472 @ 40), (N/A, 27)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country KP:
@@ -537,7 +537,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 20), (3, 17)
 	(5250 - 5330 @ 20), (3, 20), DFS
-	(5490 - 5710 @ 20), (3, 20), DFS
+	(5490 - 5730 @ 20), (3, 20), DFS
 	(5735 - 5835 @ 20), (3, 30)
 
 country LT: DFS-ETSI
@@ -634,7 +634,7 @@
 	(2402 - 2472 @ 40), (3, 27)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country MW:
@@ -681,7 +681,7 @@
 	(2402 - 2482 @ 40), (N/A, 30)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country OM:
@@ -700,7 +700,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (6, 20)
 	(5250 - 5330 @ 80), (6, 20), DFS
-	(5490 - 5710 @ 80), (6, 27), DFS
+	(5490 - 5730 @ 80), (6, 27), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country PF:
@@ -720,7 +720,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country PK:
@@ -747,7 +747,7 @@
 	(2402 - 2472 @ 40), (3, 30)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country PY:
@@ -819,7 +819,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (6, 17)
 	(5250 - 5330 @ 80), (6, 24), DFS
-	(5490 - 5710 @ 80), (6, 24), DFS
+	(5490 - 5730 @ 80), (6, 24), DFS
 	(5735 - 5835 @ 80), (6, 30)
 
 country SI: DFS-ETSI
@@ -856,21 +856,21 @@
 country TW:
 	(2402 - 2472 @ 40), (3, 27)
 	(5270 - 5330 @ 40), (6, 17), DFS
-	(5490 - 5710 @ 80), (6, 30), DFS
+	(5490 - 5730 @ 80), (6, 30), DFS
 	(5735 - 5815 @ 80), (6, 30)
 
 country TH:
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country TT:
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 40), (3, 17)
 	(5250 - 5330 @ 40), (3, 20), DFS
-	(5490 - 5710 @ 40), (3, 20), DFS
+	(5490 - 5730 @ 40), (3, 20), DFS
 	(5735 - 5835 @ 40), (3, 30)
 
 country TN:
@@ -914,8 +914,8 @@
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
 	(5490 - 5600 @ 80), (3, 24), DFS
-	(5650 - 5710 @ 40), (3, 24), DFS
-	(5710 - 5835 @ 80), (3, 30)
+	(5650 - 5730 @ 40), (3, 24), DFS
+	(5735 - 5835 @ 80), (3, 30)
 	# 60g band
 	# reference: http://cfr.regstoday.com/47cfr15.aspx#47_CFR_15p255
 	# channels 1,2,3, EIRP=40dBm(43dBm peak)
@@ -935,14 +935,14 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 40), (3, 17)
 	(5250 - 5330 @ 40), (3, 20), DFS
-	(5490 - 5710 @ 40), (3, 20), DFS
+	(5490 - 5730 @ 40), (3, 20), DFS
 	(5735 - 5835 @ 40), (3, 30)
 
 country UZ:
 	(2402 - 2472 @ 40), (3, 27)
 	(5170 - 5250 @ 40), (3, 17)
 	(5250 - 5330 @ 40), (3, 20), DFS
-	(5490 - 5710 @ 40), (3, 20), DFS
+	(5490 - 5730 @ 40), (3, 20), DFS
 	(5735 - 5835 @ 40), (3, 30)
 
 country VE:
@@ -956,7 +956,7 @@
 	(2402 - 2482 @ 40), (N/A, 20)
 	(5170 - 5250 @ 80), (3, 17)
 	(5250 - 5330 @ 80), (3, 24), DFS
-	(5490 - 5710 @ 80), (3, 24), DFS
+	(5490 - 5730 @ 80), (3, 24), DFS
 	(5735 - 5835 @ 80), (3, 30)
 
 country VI:
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index e90ef68..b73cfe5 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5431,6 +5431,8 @@
 	return err;
 }
 
+#endif
+
 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
 					   enum nl80211_commands cmd,
 					   enum nl80211_attrs attr,
@@ -5478,7 +5480,7 @@
 			nl80211_testmode_mcgrp.id, gfp);
 }
 EXPORT_SYMBOL(__cfg80211_send_event_skb);
-#endif
+
 
 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
 {
diff --git a/sound/soc/codecs/msm8x10-wcd.c b/sound/soc/codecs/msm8x10-wcd.c
index 452bbab..c73b2c8 100644
--- a/sound/soc/codecs/msm8x10-wcd.c
+++ b/sound/soc/codecs/msm8x10-wcd.c
@@ -1200,6 +1200,13 @@
 			  MSM8X10_WCD_A_CDC_TX2_VOL_CTL_GAIN,
 			  -84, 40, digital_gain),
 
+	SOC_SINGLE_TLV("ADC1 Volume", MSM8X10_WCD_A_TX_1_EN, 2,
+					19, 0, analog_gain),
+	SOC_SINGLE_TLV("ADC2 Volume", MSM8X10_WCD_A_TX_2_EN, 2,
+					19, 0, analog_gain),
+	SOC_SINGLE_TLV("ADC3 Volume", MSM8X10_WCD_A_TX_3_EN, 2,
+					19, 0, analog_gain),
+
 	SOC_SINGLE_S8_TLV("IIR1 INP1 Volume",
 			  MSM8X10_WCD_A_CDC_IIR1_GAIN_B1_CTL,
 			  -84, 40, digital_gain),
diff --git a/sound/soc/codecs/wcd9306.c b/sound/soc/codecs/wcd9306.c
index dd50020..95f2041 100644
--- a/sound/soc/codecs/wcd9306.c
+++ b/sound/soc/codecs/wcd9306.c
@@ -43,6 +43,8 @@
 #define TAPAN_HPH_PA_SETTLE_COMP_OFF 13000
 
 #define DAPM_MICBIAS2_EXTERNAL_STANDALONE "MIC BIAS2 External Standalone"
+#define TAPAN_VALIDATE_RX_SBPORT_RANGE(port) ((port >= 16) && (port <= 20))
+#define TAPAN_CONVERT_RX_SBPORT_ID(port) (port - 16) /* RX1 port ID = 0 */
 
 #define TAPAN_VDD_CX_OPTIMAL_UA 10000
 #define TAPAN_VDD_CX_SLEEP_UA 2000
@@ -1110,14 +1112,14 @@
 	SOC_ENUM_EXT("EAR PA Gain", tapan_ear_pa_gain_enum[0],
 		tapan_pa_gain_get, tapan_pa_gain_put),
 
-	SOC_SINGLE_TLV("HPHL Volume", TAPAN_A_RX_HPH_L_GAIN, 0, 14, 1,
+	SOC_SINGLE_TLV("HPHL Volume", TAPAN_A_RX_HPH_L_GAIN, 0, 20, 1,
 		line_gain),
-	SOC_SINGLE_TLV("HPHR Volume", TAPAN_A_RX_HPH_R_GAIN, 0, 14, 1,
+	SOC_SINGLE_TLV("HPHR Volume", TAPAN_A_RX_HPH_R_GAIN, 0, 20, 1,
 		line_gain),
 
-	SOC_SINGLE_TLV("LINEOUT1 Volume", TAPAN_A_RX_LINE_1_GAIN, 0, 14, 1,
+	SOC_SINGLE_TLV("LINEOUT1 Volume", TAPAN_A_RX_LINE_1_GAIN, 0, 20, 1,
 		line_gain),
-	SOC_SINGLE_TLV("LINEOUT2 Volume", TAPAN_A_RX_LINE_2_GAIN, 0, 14, 1,
+	SOC_SINGLE_TLV("LINEOUT2 Volume", TAPAN_A_RX_LINE_2_GAIN, 0, 20, 1,
 		line_gain),
 
 	SOC_SINGLE_TLV("SPK DRV Volume", TAPAN_A_SPKR_DRV_GAIN, 3, 8, 1,
@@ -3236,6 +3238,8 @@
 }
 
 #define TAPAN_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
+#define TAPAN_FORMATS_S16_S24_LE (SNDRV_PCM_FMTBIT_S16_LE | \
+				  SNDRV_PCM_FORMAT_S24_LE)
 static int tapan_write(struct snd_soc_codec *codec, unsigned int reg,
 	unsigned int value)
 {
@@ -3643,6 +3647,68 @@
 	return 0;
 }
 
+static void tapan_set_rxsb_port_format(struct snd_pcm_hw_params *params,
+				       struct snd_soc_dai *dai)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct tapan_priv *tapan_p = snd_soc_codec_get_drvdata(codec);
+	struct wcd9xxx_codec_dai_data *cdc_dai;
+	struct wcd9xxx_ch *ch;
+	int port;
+	u8 bit_sel;
+	u16 sb_ctl_reg, field_shift;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		bit_sel = 0x2;
+		tapan_p->dai[dai->id].bit_width = 16;
+		break;
+	case SNDRV_PCM_FORMAT_S24_LE:
+		bit_sel = 0x0;
+		tapan_p->dai[dai->id].bit_width = 24;
+		break;
+	default:
+		dev_err(codec->dev, "Invalid format %x\n",
+			params_format(params));
+		return;
+	}
+
+	cdc_dai = &tapan_p->dai[dai->id];
+
+	list_for_each_entry(ch, &cdc_dai->wcd9xxx_ch_list, list) {
+		port = wcd9xxx_get_slave_port(ch->ch_num);
+
+		if (IS_ERR_VALUE(port) ||
+		    !TAPAN_VALIDATE_RX_SBPORT_RANGE(port)) {
+			dev_warn(codec->dev,
+				 "%s: invalid port ID %d returned for RX DAI\n",
+				 __func__, port);
+			return;
+		}
+
+		port = TAPAN_CONVERT_RX_SBPORT_ID(port);
+
+		if (port <= 3) {
+			sb_ctl_reg = TAPAN_A_CDC_CONN_RX_SB_B1_CTL;
+			field_shift = port << 1;
+		} else if (port <= 4) {
+			sb_ctl_reg = TAPAN_A_CDC_CONN_RX_SB_B2_CTL;
+			field_shift = (port - 4) << 1;
+		} else { /* should not happen */
+			dev_warn(codec->dev,
+				 "%s: bad port ID %d\n", __func__, port);
+			return;
+		}
+
+		dev_dbg(codec->dev, "%s: sb_ctl_reg %x field_shift %x\n"
+			"bit_sel %x\n", __func__, sb_ctl_reg, field_shift,
+			bit_sel);
+		snd_soc_update_bits(codec, sb_ctl_reg, 0x3 << field_shift,
+				    bit_sel << field_shift);
+	}
+}
+
+
 static int tapan_hw_params(struct snd_pcm_substream *substream,
 			    struct snd_pcm_hw_params *params,
 			    struct snd_soc_dai *dai)
@@ -3755,29 +3821,7 @@
 			snd_soc_update_bits(codec, TAPAN_A_CDC_CLK_I2S_CTL,
 					    0x03, (rx_fs_rate >> 0x05));
 		} else {
-			switch (params_format(params)) {
-			case SNDRV_PCM_FORMAT_S16_LE:
-				snd_soc_update_bits(codec,
-					TAPAN_A_CDC_CONN_RX_SB_B1_CTL,
-					0xFF, 0xAA);
-				snd_soc_update_bits(codec,
-					TAPAN_A_CDC_CONN_RX_SB_B2_CTL,
-					0xFF, 0x2A);
-				tapan->dai[dai->id].bit_width = 16;
-				break;
-			case SNDRV_PCM_FORMAT_S24_LE:
-				snd_soc_update_bits(codec,
-					TAPAN_A_CDC_CONN_RX_SB_B1_CTL,
-					0xFF, 0x00);
-				snd_soc_update_bits(codec,
-					TAPAN_A_CDC_CONN_RX_SB_B2_CTL,
-					0xFF, 0x00);
-				tapan->dai[dai->id].bit_width = 24;
-				break;
-			default:
-				dev_err(codec->dev, "Invalid format\n");
-				break;
-			}
+			tapan_set_rxsb_port_format(params, dai);
 			tapan->dai[dai->id].rate   = params_rate(params);
 		}
 		break;
@@ -3894,7 +3938,7 @@
 		.playback = {
 			.stream_name = "AIF1 Playback",
 			.rates = WCD9306_RATES,
-			.formats = TAPAN_FORMATS,
+			.formats = TAPAN_FORMATS_S16_S24_LE,
 			.rate_max = 192000,
 			.rate_min = 8000,
 			.channels_min = 1,
@@ -3922,7 +3966,7 @@
 		.playback = {
 			.stream_name = "AIF2 Playback",
 			.rates = WCD9306_RATES,
-			.formats = TAPAN_FORMATS,
+			.formats = TAPAN_FORMATS_S16_S24_LE,
 			.rate_min = 8000,
 			.rate_max = 192000,
 			.channels_min = 1,
@@ -3964,7 +4008,7 @@
 		.playback = {
 			.stream_name = "AIF3 Playback",
 			.rates = WCD9306_RATES,
-			.formats = TAPAN_FORMATS,
+			.formats = TAPAN_FORMATS_S16_S24_LE,
 			.rate_min = 8000,
 			.rate_max = 192000,
 			.channels_min = 1,
diff --git a/sound/soc/codecs/wcd9320.c b/sound/soc/codecs/wcd9320.c
index 5dedec8..b72590f 100644
--- a/sound/soc/codecs/wcd9320.c
+++ b/sound/soc/codecs/wcd9320.c
@@ -1652,6 +1652,21 @@
 	"DEC9", "DEC10", "RX1", "RX2", "RX3", "RX4", "RX5", "RX6", "RX7"
 };
 
+static const char * const iir_inp2_text[] = {
+	"ZERO", "DEC1", "DEC2", "DEC3", "DEC4", "DEC5", "DEC6", "DEC7", "DEC8",
+	"DEC9", "DEC10", "RX1", "RX2", "RX3", "RX4", "RX5", "RX6", "RX7"
+};
+
+static const char * const iir_inp3_text[] = {
+	"ZERO", "DEC1", "DEC2", "DEC3", "DEC4", "DEC5", "DEC6", "DEC7", "DEC8",
+	"DEC9", "DEC10", "RX1", "RX2", "RX3", "RX4", "RX5", "RX6", "RX7"
+};
+
+static const char * const iir_inp4_text[] = {
+	"ZERO", "DEC1", "DEC2", "DEC3", "DEC4", "DEC5", "DEC6", "DEC7", "DEC8",
+	"DEC9", "DEC10", "RX1", "RX2", "RX3", "RX4", "RX5", "RX6", "RX7"
+};
+
 static const struct soc_enum rx_mix1_inp1_chain_enum =
 	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_RX1_B1_CTL, 0, 12, rx_mix1_text);
 
@@ -1800,6 +1815,24 @@
 static const struct soc_enum iir2_inp1_mux_enum =
 	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_EQ2_B1_CTL, 0, 18, iir_inp1_text);
 
+static const struct soc_enum iir1_inp2_mux_enum =
+	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_EQ1_B2_CTL, 0, 18, iir_inp2_text);
+
+static const struct soc_enum iir2_inp2_mux_enum =
+	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_EQ2_B2_CTL, 0, 18, iir_inp2_text);
+
+static const struct soc_enum iir1_inp3_mux_enum =
+	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_EQ1_B3_CTL, 0, 18, iir_inp3_text);
+
+static const struct soc_enum iir2_inp3_mux_enum =
+	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_EQ2_B3_CTL, 0, 18, iir_inp3_text);
+
+static const struct soc_enum iir1_inp4_mux_enum =
+	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_EQ1_B4_CTL, 0, 18, iir_inp4_text);
+
+static const struct soc_enum iir2_inp4_mux_enum =
+	SOC_ENUM_SINGLE(TAIKO_A_CDC_CONN_EQ2_B4_CTL, 0, 18, iir_inp4_text);
+
 static const struct snd_kcontrol_new rx_mix1_inp1_mux =
 	SOC_DAPM_ENUM("RX1 MIX1 INP1 Mux", rx_mix1_inp1_chain_enum);
 
@@ -2025,6 +2058,24 @@
 static const struct snd_kcontrol_new iir2_inp1_mux =
 	SOC_DAPM_ENUM("IIR2 INP1 Mux", iir2_inp1_mux_enum);
 
+static const struct snd_kcontrol_new iir1_inp2_mux =
+	SOC_DAPM_ENUM("IIR1 INP2 Mux", iir1_inp2_mux_enum);
+
+static const struct snd_kcontrol_new iir2_inp2_mux =
+	SOC_DAPM_ENUM("IIR2 INP2 Mux", iir2_inp2_mux_enum);
+
+static const struct snd_kcontrol_new iir1_inp3_mux =
+	SOC_DAPM_ENUM("IIR1 INP3 Mux", iir1_inp3_mux_enum);
+
+static const struct snd_kcontrol_new iir2_inp3_mux =
+	SOC_DAPM_ENUM("IIR2 INP3 Mux", iir2_inp3_mux_enum);
+
+static const struct snd_kcontrol_new iir1_inp4_mux =
+	SOC_DAPM_ENUM("IIR1 INP4 Mux", iir1_inp4_mux_enum);
+
+static const struct snd_kcontrol_new iir2_inp4_mux =
+	SOC_DAPM_ENUM("IIR2 INP4 Mux", iir2_inp4_mux_enum);
+
 static const struct snd_kcontrol_new anc1_mux =
 	SOC_DAPM_ENUM("ANC1 MUX Mux", anc1_mux_enum);
 
@@ -4012,6 +4063,120 @@
 	{"IIR2 INP1 MUX", "RX6", "SLIM RX6"},
 	{"IIR2 INP1 MUX", "RX7", "SLIM RX7"},
 
+	{"IIR1", NULL, "IIR1 INP2 MUX"},
+	{"IIR1 INP2 MUX", "DEC1", "DEC1 MUX"},
+	{"IIR1 INP2 MUX", "DEC2", "DEC2 MUX"},
+	{"IIR1 INP2 MUX", "DEC3", "DEC3 MUX"},
+	{"IIR1 INP2 MUX", "DEC4", "DEC4 MUX"},
+	{"IIR1 INP2 MUX", "DEC5", "DEC5 MUX"},
+	{"IIR1 INP2 MUX", "DEC6", "DEC6 MUX"},
+	{"IIR1 INP2 MUX", "DEC7", "DEC7 MUX"},
+	{"IIR1 INP2 MUX", "DEC8", "DEC8 MUX"},
+	{"IIR1 INP2 MUX", "DEC9", "DEC9 MUX"},
+	{"IIR1 INP2 MUX", "DEC10", "DEC10 MUX"},
+	{"IIR1 INP2 MUX", "RX1", "SLIM RX1"},
+	{"IIR1 INP2 MUX", "RX2", "SLIM RX2"},
+	{"IIR1 INP2 MUX", "RX3", "SLIM RX3"},
+	{"IIR1 INP2 MUX", "RX4", "SLIM RX4"},
+	{"IIR1 INP2 MUX", "RX5", "SLIM RX5"},
+	{"IIR1 INP2 MUX", "RX6", "SLIM RX6"},
+	{"IIR1 INP2 MUX", "RX7", "SLIM RX7"},
+
+	{"IIR2", NULL, "IIR2 INP2 MUX"},
+	{"IIR2 INP2 MUX", "DEC1", "DEC1 MUX"},
+	{"IIR2 INP2 MUX", "DEC2", "DEC2 MUX"},
+	{"IIR2 INP2 MUX", "DEC3", "DEC3 MUX"},
+	{"IIR2 INP2 MUX", "DEC4", "DEC4 MUX"},
+	{"IIR2 INP2 MUX", "DEC5", "DEC5 MUX"},
+	{"IIR2 INP2 MUX", "DEC6", "DEC6 MUX"},
+	{"IIR2 INP2 MUX", "DEC7", "DEC7 MUX"},
+	{"IIR2 INP2 MUX", "DEC8", "DEC8 MUX"},
+	{"IIR2 INP2 MUX", "DEC9", "DEC9 MUX"},
+	{"IIR2 INP2 MUX", "DEC10", "DEC10 MUX"},
+	{"IIR2 INP2 MUX", "RX1", "SLIM RX1"},
+	{"IIR2 INP2 MUX", "RX2", "SLIM RX2"},
+	{"IIR2 INP2 MUX", "RX3", "SLIM RX3"},
+	{"IIR2 INP2 MUX", "RX4", "SLIM RX4"},
+	{"IIR2 INP2 MUX", "RX5", "SLIM RX5"},
+	{"IIR2 INP2 MUX", "RX6", "SLIM RX6"},
+	{"IIR2 INP2 MUX", "RX7", "SLIM RX7"},
+
+	{"IIR1", NULL, "IIR1 INP3 MUX"},
+	{"IIR1 INP3 MUX", "DEC1", "DEC1 MUX"},
+	{"IIR1 INP3 MUX", "DEC2", "DEC2 MUX"},
+	{"IIR1 INP3 MUX", "DEC3", "DEC3 MUX"},
+	{"IIR1 INP3 MUX", "DEC4", "DEC4 MUX"},
+	{"IIR1 INP3 MUX", "DEC5", "DEC5 MUX"},
+	{"IIR1 INP3 MUX", "DEC6", "DEC6 MUX"},
+	{"IIR1 INP3 MUX", "DEC7", "DEC7 MUX"},
+	{"IIR1 INP3 MUX", "DEC8", "DEC8 MUX"},
+	{"IIR1 INP3 MUX", "DEC9", "DEC9 MUX"},
+	{"IIR1 INP3 MUX", "DEC10", "DEC10 MUX"},
+	{"IIR1 INP3 MUX", "RX1", "SLIM RX1"},
+	{"IIR1 INP3 MUX", "RX2", "SLIM RX2"},
+	{"IIR1 INP3 MUX", "RX3", "SLIM RX3"},
+	{"IIR1 INP3 MUX", "RX4", "SLIM RX4"},
+	{"IIR1 INP3 MUX", "RX5", "SLIM RX5"},
+	{"IIR1 INP3 MUX", "RX6", "SLIM RX6"},
+	{"IIR1 INP3 MUX", "RX7", "SLIM RX7"},
+
+	{"IIR2", NULL, "IIR2 INP3 MUX"},
+	{"IIR2 INP3 MUX", "DEC1", "DEC1 MUX"},
+	{"IIR2 INP3 MUX", "DEC2", "DEC2 MUX"},
+	{"IIR2 INP3 MUX", "DEC3", "DEC3 MUX"},
+	{"IIR2 INP3 MUX", "DEC4", "DEC4 MUX"},
+	{"IIR2 INP3 MUX", "DEC5", "DEC5 MUX"},
+	{"IIR2 INP3 MUX", "DEC6", "DEC6 MUX"},
+	{"IIR2 INP3 MUX", "DEC7", "DEC7 MUX"},
+	{"IIR2 INP3 MUX", "DEC8", "DEC8 MUX"},
+	{"IIR2 INP3 MUX", "DEC9", "DEC9 MUX"},
+	{"IIR2 INP3 MUX", "DEC10", "DEC10 MUX"},
+	{"IIR2 INP3 MUX", "RX1", "SLIM RX1"},
+	{"IIR2 INP3 MUX", "RX2", "SLIM RX2"},
+	{"IIR2 INP3 MUX", "RX3", "SLIM RX3"},
+	{"IIR2 INP3 MUX", "RX4", "SLIM RX4"},
+	{"IIR2 INP3 MUX", "RX5", "SLIM RX5"},
+	{"IIR2 INP3 MUX", "RX6", "SLIM RX6"},
+	{"IIR2 INP3 MUX", "RX7", "SLIM RX7"},
+
+	{"IIR1", NULL, "IIR1 INP4 MUX"},
+	{"IIR1 INP4 MUX", "DEC1", "DEC1 MUX"},
+	{"IIR1 INP4 MUX", "DEC2", "DEC2 MUX"},
+	{"IIR1 INP4 MUX", "DEC3", "DEC3 MUX"},
+	{"IIR1 INP4 MUX", "DEC4", "DEC4 MUX"},
+	{"IIR1 INP4 MUX", "DEC5", "DEC5 MUX"},
+	{"IIR1 INP4 MUX", "DEC6", "DEC6 MUX"},
+	{"IIR1 INP4 MUX", "DEC7", "DEC7 MUX"},
+	{"IIR1 INP4 MUX", "DEC8", "DEC8 MUX"},
+	{"IIR1 INP4 MUX", "DEC9", "DEC9 MUX"},
+	{"IIR1 INP4 MUX", "DEC10", "DEC10 MUX"},
+	{"IIR1 INP4 MUX", "RX1", "SLIM RX1"},
+	{"IIR1 INP4 MUX", "RX2", "SLIM RX2"},
+	{"IIR1 INP4 MUX", "RX3", "SLIM RX3"},
+	{"IIR1 INP4 MUX", "RX4", "SLIM RX4"},
+	{"IIR1 INP4 MUX", "RX5", "SLIM RX5"},
+	{"IIR1 INP4 MUX", "RX6", "SLIM RX6"},
+	{"IIR1 INP4 MUX", "RX7", "SLIM RX7"},
+
+	{"IIR2", NULL, "IIR2 INP4 MUX"},
+	{"IIR2 INP4 MUX", "DEC1", "DEC1 MUX"},
+	{"IIR2 INP4 MUX", "DEC2", "DEC2 MUX"},
+	{"IIR2 INP4 MUX", "DEC3", "DEC3 MUX"},
+	{"IIR2 INP4 MUX", "DEC4", "DEC4 MUX"},
+	{"IIR2 INP4 MUX", "DEC5", "DEC5 MUX"},
+	{"IIR2 INP4 MUX", "DEC6", "DEC6 MUX"},
+	{"IIR2 INP4 MUX", "DEC7", "DEC7 MUX"},
+	{"IIR2 INP4 MUX", "DEC8", "DEC8 MUX"},
+	{"IIR2 INP4 MUX", "DEC9", "DEC9 MUX"},
+	{"IIR2 INP4 MUX", "DEC10", "DEC10 MUX"},
+	{"IIR2 INP4 MUX", "RX1", "SLIM RX1"},
+	{"IIR2 INP4 MUX", "RX2", "SLIM RX2"},
+	{"IIR2 INP4 MUX", "RX3", "SLIM RX3"},
+	{"IIR2 INP4 MUX", "RX4", "SLIM RX4"},
+	{"IIR2 INP4 MUX", "RX5", "SLIM RX5"},
+	{"IIR2 INP4 MUX", "RX6", "SLIM RX6"},
+	{"IIR2 INP4 MUX", "RX7", "SLIM RX7"},
+
 	{"MIC BIAS1 Internal1", NULL, "LDO_H"},
 	{"MIC BIAS1 Internal2", NULL, "LDO_H"},
 	{"MIC BIAS1 External", NULL, "LDO_H"},
@@ -5667,12 +5832,36 @@
 		&iir1_inp1_mux,  taiko_codec_iir_mux_event,
 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 
+	SND_SOC_DAPM_MUX_E("IIR1 INP2 MUX", TAIKO_A_CDC_IIR1_GAIN_B2_CTL, 0, 0,
+		&iir1_inp2_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_MUX_E("IIR1 INP3 MUX", TAIKO_A_CDC_IIR1_GAIN_B3_CTL, 0, 0,
+		&iir1_inp3_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_MUX_E("IIR1 INP4 MUX", TAIKO_A_CDC_IIR1_GAIN_B4_CTL, 0, 0,
+		&iir1_inp4_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
 	SND_SOC_DAPM_MIXER("IIR1", TAIKO_A_CDC_CLK_SD_CTL, 0, 0, NULL, 0),
 
 	SND_SOC_DAPM_MUX_E("IIR2 INP1 MUX", TAIKO_A_CDC_IIR2_GAIN_B1_CTL, 0, 0,
 		&iir2_inp1_mux,  taiko_codec_iir_mux_event,
 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 
+	SND_SOC_DAPM_MUX_E("IIR2 INP2 MUX", TAIKO_A_CDC_IIR2_GAIN_B2_CTL, 0, 0,
+		&iir2_inp2_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_MUX_E("IIR2 INP3 MUX", TAIKO_A_CDC_IIR2_GAIN_B3_CTL, 0, 0,
+		&iir2_inp3_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_MUX_E("IIR2 INP4 MUX", TAIKO_A_CDC_IIR2_GAIN_B4_CTL, 0, 0,
+		&iir2_inp4_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
 	SND_SOC_DAPM_MIXER("IIR2", TAIKO_A_CDC_CLK_SD_CTL, 1, 0, NULL, 0),
 
 	/* AUX PGA */
diff --git a/sound/soc/msm/msm-dai-fe.c b/sound/soc/msm/msm-dai-fe.c
index 2b43ab6..045a6d0 100644
--- a/sound/soc/msm/msm-dai-fe.c
+++ b/sound/soc/msm/msm-dai-fe.c
@@ -899,6 +899,30 @@
 		.ops = &msm_fe_dai_ops,
 		.name = "LSM8",
 	},
+	{
+		.playback = {
+			.stream_name = "VoWLAN Playback",
+			.aif_name = "VoWLAN_DL",
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+			.channels_min = 1,
+			.channels_max = 2,
+			.rate_min = 8000,
+			.rate_max = 48000,
+		},
+		.capture = {
+			.stream_name = "VoWLAN Capture",
+			.aif_name = "VoWLAN_UL",
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+			.channels_min = 1,
+			.channels_max = 2,
+			.rate_min = 8000,
+			.rate_max = 48000,
+		},
+		.ops = &msm_fe_dai_ops,
+		.name = "VoWLAN",
+	},
 };
 
 static __devinit int msm_fe_dai_dev_probe(struct platform_device *pdev)
diff --git a/sound/soc/msm/msm8226.c b/sound/soc/msm/msm8226.c
index b512bb5..cc27fc0 100644
--- a/sound/soc/msm/msm8226.c
+++ b/sound/soc/msm/msm8226.c
@@ -32,6 +32,10 @@
 #include "../codecs/wcd9xxx-common.h"
 #include "../codecs/wcd9306.h"
 
+#define SAMPLING_RATE_48KHZ 48000
+#define SAMPLING_RATE_96KHZ 96000
+#define SAMPLING_RATE_192KHZ 192000
+
 #define DRV_NAME "msm8226-asoc-tapan"
 
 #define MSM_SLIM_0_RX_MAX_CHANNELS		2
@@ -154,6 +158,8 @@
 static int ext_spk_amp_gpio = -1;
 static int vdd_spkr_gpio = -1;
 static int msm_proxy_rx_ch = 2;
+
+static int slim0_rx_sample_rate = SAMPLING_RATE_48KHZ;
 static int slim0_rx_bit_format = SNDRV_PCM_FORMAT_S16_LE;
 
 static inline int param_is_mask(int p)
@@ -388,6 +394,9 @@
 static const char *const slim0_tx_ch_text[] = {"One", "Two", "Three", "Four"};
 static const char *const proxy_rx_ch_text[] = {"One", "Two", "Three", "Four",
 	"Five", "Six", "Seven", "Eight"};
+static char const *rx_bit_format_text[] = {"S16_LE", "S24_LE"};
+static char const *slim0_rx_sample_rate_text[] = {"KHZ_48", "KHZ_96",
+						  "KHZ_192"};
 
 static const struct soc_enum msm_enum[] = {
 	SOC_ENUM_SINGLE_EXT(2, slim0_rx_ch_text),
@@ -399,6 +408,58 @@
 	SOC_ENUM_SINGLE_EXT(2, btsco_rate_text),
 };
 
+static int slim0_rx_sample_rate_get(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	int sample_rate_val = 0;
+
+	switch (slim0_rx_sample_rate) {
+	case SAMPLING_RATE_192KHZ:
+		sample_rate_val = 2;
+		break;
+
+	case SAMPLING_RATE_96KHZ:
+		sample_rate_val = 1;
+		break;
+
+	case SAMPLING_RATE_48KHZ:
+	default:
+		sample_rate_val = 0;
+		break;
+	}
+
+	ucontrol->value.integer.value[0] = sample_rate_val;
+	pr_debug("%s: slim0_rx_sample_rate = %d\n", __func__,
+				slim0_rx_sample_rate);
+
+	return 0;
+}
+
+static int slim0_rx_sample_rate_put(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	pr_debug("%s: ucontrol value = %ld\n", __func__,
+			ucontrol->value.integer.value[0]);
+
+	switch (ucontrol->value.integer.value[0]) {
+	case 2:
+		slim0_rx_sample_rate = SAMPLING_RATE_192KHZ;
+		break;
+	case 1:
+		slim0_rx_sample_rate = SAMPLING_RATE_96KHZ;
+		break;
+	case 0:
+	default:
+		slim0_rx_sample_rate = SAMPLING_RATE_48KHZ;
+		break;
+	}
+
+	pr_debug("%s: slim0_rx_sample_rate = %d\n", __func__,
+			slim0_rx_sample_rate);
+
+	return 0;
+}
+
 static int msm_slim_0_rx_ch_get(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
@@ -725,8 +786,7 @@
 	pr_debug("%s()\n", __func__);
 	param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,
 					slim0_rx_bit_format);
-
-	rate->min = rate->max = 48000;
+	rate->min = rate->max = slim0_rx_sample_rate;
 	channels->min = channels->max = msm_slim_0_rx_ch;
 
 	return 0;
@@ -780,6 +840,8 @@
 	SOC_ENUM_SINGLE_EXT(2, slim0_rx_ch_text),
 	SOC_ENUM_SINGLE_EXT(4, slim0_tx_ch_text),
 	SOC_ENUM_SINGLE_EXT(8, proxy_rx_ch_text),
+	SOC_ENUM_SINGLE_EXT(2, rx_bit_format_text),
+	SOC_ENUM_SINGLE_EXT(3, slim0_rx_sample_rate_text),
 };
 
 static const struct snd_kcontrol_new msm_snd_controls[] = {
@@ -795,7 +857,8 @@
 			msm_proxy_rx_ch_get, msm_proxy_rx_ch_put),
 	SOC_ENUM_EXT("SLIM_0_RX Format", msm_snd_enum[3],
 			slim0_rx_bit_format_get, slim0_rx_bit_format_put),
-
+	SOC_ENUM_EXT("SLIM_0_RX SampleRate", msm_snd_enum[4],
+			slim0_rx_sample_rate_get, slim0_rx_sample_rate_put),
 };
 
 static int msm_afe_set_config(struct snd_soc_codec *codec)
@@ -1544,7 +1607,7 @@
 		.codec_name = "snd-soc-dummy",
 		.be_id = MSM_FRONTEND_DAI_LSM8,
 	},
-	{
+	{/* hw:x,28 */
 		.name = "INT_HFP_BT Hostless",
 		.stream_name = "INT_HFP_BT Hostless",
 		.cpu_dai_name   = "INT_HFP_BT_HOSTLESS",
@@ -1559,7 +1622,7 @@
 		.codec_dai_name = "snd-soc-dummy-dai",
 		.codec_name = "snd-soc-dummy",
 	},
-	{
+	{/* hw:x,29 */
 		.name = "MSM8226 HFP TX",
 		.stream_name = "MultiMedia6",
 		.cpu_dai_name = "MultiMedia6",
@@ -1575,6 +1638,21 @@
 		.ignore_pmdown_time = 1,
 		.be_id = MSM_FRONTEND_DAI_MULTIMEDIA6,
 	},
+	{/* hw:x,30 */
+		.name = "VoWLAN",
+		.stream_name = "VoWLAN",
+		.cpu_dai_name   = "VoWLAN",
+		.platform_name  = "msm-pcm-voice",
+		.dynamic = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST,
+			    SND_SOC_DPCM_TRIGGER_POST},
+		.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
+		.ignore_suspend = 1,
+		.ignore_pmdown_time = 1,
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.be_id = MSM_FRONTEND_DAI_VOWLAN,
+	},
 	/* Backend BT/FM DAI Links */
 	{
 		.name = LPASS_BE_INT_BT_SCO_RX,
diff --git a/sound/soc/msm/msm8x10.c b/sound/soc/msm/msm8x10.c
index fe44a23..89df806 100644
--- a/sound/soc/msm/msm8x10.c
+++ b/sound/soc/msm/msm8x10.c
@@ -894,6 +894,21 @@
 		.codec_name = "snd-soc-dummy",
 		.be_id = MSM_FRONTEND_DAI_QCHAT,
 	},
+	{/* hw:x,15 */
+		.name = "MSM8X10 Media9",
+		.stream_name = "MultiMedia9",
+		.cpu_dai_name   = "MultiMedia9",
+		.platform_name  = "msm-pcm-dsp.0",
+		.dynamic = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST,
+			SND_SOC_DPCM_TRIGGER_POST},
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.ignore_suspend = 1,
+		/* this dainlink has playback support */
+		.ignore_pmdown_time = 1,
+		.be_id = MSM_FRONTEND_DAI_MULTIMEDIA9
+	},
 	/* Backend I2S DAI Links */
 	{
 		.name = LPASS_BE_SEC_MI2S_RX,
@@ -1039,6 +1054,19 @@
 		.be_hw_params_fixup = msm_be_hw_params_fixup,
 		.ignore_suspend = 1,
 	},
+	/* Incall Music 2 BACK END DAI Link */
+	{
+		.name = LPASS_BE_VOICE2_PLAYBACK_TX,
+		.stream_name = "Voice2 Farend Playback",
+		.cpu_dai_name = "msm-dai-q6-dev.32770",
+		.platform_name = "msm-pcm-routing",
+		.codec_name     = "msm-stub-codec.1",
+		.codec_dai_name = "msm-stub-rx",
+		.no_pcm = 1,
+		.be_id = MSM_BACKEND_DAI_VOICE2_PLAYBACK_TX,
+		.be_hw_params_fixup = msm_be_hw_params_fixup,
+		.ignore_suspend = 1,
+	},
 };
 
 struct snd_soc_card snd_soc_card_msm8x10 = {
diff --git a/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
index 1434970..8b2c443 100644
--- a/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
@@ -57,6 +57,7 @@
 
 struct msm_dai_q6_dai_data {
 	DECLARE_BITMAP(status_mask, STATUS_MAX);
+	DECLARE_BITMAP(hwfree_status, STATUS_MAX);
 	u32 rate;
 	u32 channels;
 	u32 bitwidth;
@@ -1510,6 +1511,11 @@
 			set_bit(STATUS_PORT_STARTED,
 				dai_data->status_mask);
 	}
+	if (!test_bit(STATUS_PORT_STARTED, dai_data->hwfree_status)) {
+		set_bit(STATUS_PORT_STARTED, dai_data->hwfree_status);
+		dev_dbg(dai->dev, "%s: set hwfree_status to started\n",
+				__func__);
+	}
 	return rc;
 }
 
@@ -1525,7 +1531,6 @@
 	struct msm_dai_q6_dai_data *dai_data = &mi2s_dai_config->mi2s_dai_data;
 	struct afe_param_id_i2s_cfg *i2s = &dai_data->port_config.i2s;
 
-
 	dai_data->channels = params_channels(params);
 	switch (dai_data->channels) {
 	case 8:
@@ -1602,10 +1607,14 @@
 	dai_data->port_config.i2s.i2s_cfg_minor_version =
 			AFE_API_VERSION_I2S_CONFIG;
 	dai_data->port_config.i2s.sample_rate = dai_data->rate;
-	if (test_bit(STATUS_PORT_STARTED,
-	    mi2s_dai_data->rx_dai.mi2s_dai_data.status_mask) ||
+	if ((test_bit(STATUS_PORT_STARTED,
+	    mi2s_dai_data->rx_dai.mi2s_dai_data.status_mask) &&
 	    test_bit(STATUS_PORT_STARTED,
-	    mi2s_dai_data->tx_dai.mi2s_dai_data.status_mask)) {
+	    mi2s_dai_data->rx_dai.mi2s_dai_data.hwfree_status)) ||
+	    (test_bit(STATUS_PORT_STARTED,
+	    mi2s_dai_data->tx_dai.mi2s_dai_data.status_mask) &&
+	    test_bit(STATUS_PORT_STARTED,
+	    mi2s_dai_data->tx_dai.mi2s_dai_data.hwfree_status))) {
 		if ((mi2s_dai_data->tx_dai.mi2s_dai_data.rate !=
 		    mi2s_dai_data->rx_dai.mi2s_dai_data.rate) ||
 		   (mi2s_dai_data->rx_dai.mi2s_dai_data.bitwidth !=
@@ -1669,6 +1678,23 @@
 	return 0;
 }
 
+static int msm_dai_q6_mi2s_hw_free(struct snd_pcm_substream *substream,
+		struct snd_soc_dai *dai)
+{
+	struct msm_dai_q6_mi2s_dai_data *mi2s_dai_data =
+			dev_get_drvdata(dai->dev);
+	struct msm_dai_q6_dai_data *dai_data =
+		(substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
+		 &mi2s_dai_data->rx_dai.mi2s_dai_data :
+		 &mi2s_dai_data->tx_dai.mi2s_dai_data);
+
+	if (test_bit(STATUS_PORT_STARTED, dai_data->hwfree_status)) {
+		clear_bit(STATUS_PORT_STARTED, dai_data->hwfree_status);
+		dev_dbg(dai->dev, "%s: clear hwfree_status\n", __func__);
+	}
+	return 0;
+}
+
 static void msm_dai_q6_mi2s_shutdown(struct snd_pcm_substream *substream,
 				     struct snd_soc_dai *dai)
 {
@@ -1696,12 +1722,15 @@
 			dev_err(dai->dev, "fail to close AFE port\n");
 		clear_bit(STATUS_PORT_STARTED, dai_data->status_mask);
 	}
+	if (test_bit(STATUS_PORT_STARTED, dai_data->hwfree_status))
+		clear_bit(STATUS_PORT_STARTED, dai_data->hwfree_status);
 }
 
 static struct snd_soc_dai_ops msm_dai_q6_mi2s_ops = {
 	.startup	= msm_dai_q6_mi2s_startup,
 	.prepare	= msm_dai_q6_mi2s_prepare,
 	.hw_params	= msm_dai_q6_mi2s_hw_params,
+	.hw_free	= msm_dai_q6_mi2s_hw_free,
 	.set_fmt	= msm_dai_q6_mi2s_set_fmt,
 	.shutdown	= msm_dai_q6_mi2s_shutdown,
 };
diff --git a/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c b/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c
index 63ac5d3..161904c 100644
--- a/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c
+++ b/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c
@@ -211,6 +211,14 @@
 		 DOLBY_ENDDEP_PARAM_VMB_OFFSET},
 		{-320, -320, 144}
 	},
+	{PROXY,	6, DOLBY_ENDP_EXT_SPEAKERS,
+		{DOLBY_PARAM_ID_DVLO, DOLBY_PARAM_ID_DVLI, DOLBY_PARAM_ID_VMB},
+		{DOLBY_ENDDEP_PARAM_DVLO_LENGTH, DOLBY_ENDDEP_PARAM_DVLI_LENGTH,
+		 DOLBY_ENDDEP_PARAM_VMB_LENGTH},
+		{DOLBY_ENDDEP_PARAM_DVLO_OFFSET, DOLBY_ENDDEP_PARAM_DVLI_OFFSET,
+		 DOLBY_ENDDEP_PARAM_VMB_OFFSET},
+		{-320, -320, 144}
+	},
 	{FM, 2, DOLBY_ENDP_HDMI,
 		{DOLBY_PARAM_ID_DVLO, DOLBY_PARAM_ID_DVLI, DOLBY_PARAM_ID_VMB},
 		{DOLBY_ENDDEP_PARAM_DVLO_LENGTH, DOLBY_ENDDEP_PARAM_DVLI_LENGTH,
@@ -409,7 +417,8 @@
 	for (idx = 0; idx < NUM_DOLBY_ENDP_DEVICE; idx++) {
 		if (dolby_dap_endp_params[idx].device ==
 			dolby_dap_params_states.device) {
-			if (dolby_dap_params_states.device == AUX_DIGITAL) {
+			if (dolby_dap_params_states.device == AUX_DIGITAL ||
+			    dolby_dap_params_states.device == PROXY) {
 				if (dolby_dap_endp_params[idx].device_ch_caps ==
 					device_channels)
 					break;
diff --git a/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.h b/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.h
index 4544fea..14586f4 100644
--- a/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.h
+++ b/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.h
@@ -249,7 +249,7 @@
 #define DOLBY_AUTO_ENDDEP_IDX			(MAX_DOLBY_PARAMS+4)
 
 #define TOTAL_LENGTH_DOLBY_PARAM		745
-#define NUM_DOLBY_ENDP_DEVICE			23
+#define NUM_DOLBY_ENDP_DEVICE			24
 #define DOLBY_VIS_PARAM_HEADER_SIZE		 25
 
 #define DOLBY_INVALID_PORT_ID			-1
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
index e72502c..8e69a2b 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
@@ -430,7 +430,7 @@
 				path_type,
 				msm_bedais[i].sample_rate,
 				msm_bedais[i].channel,
-				topology, false,
+				topology, perf_mode,
 				bits_per_sample);
 
 			payload.copp_ids[payload.num_copps++] =
@@ -688,6 +688,8 @@
 		session_id = voc_get_session_id(VOICE_SESSION_NAME);
 	else if (val == MSM_FRONTEND_DAI_VOLTE)
 		session_id = voc_get_session_id(VOLTE_SESSION_NAME);
+	else if (val == MSM_FRONTEND_DAI_VOWLAN)
+		session_id = voc_get_session_id(VOWLAN_SESSION_NAME);
 	else if (val == MSM_FRONTEND_DAI_VOICE2)
 		session_id = voc_get_session_id(VOICE2_SESSION_NAME);
 	else if (val == MSM_FRONTEND_DAI_QCHAT)
@@ -2110,6 +2112,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_PRI_I2S_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_PRI_I2S_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_PRI_I2S_RX,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2131,6 +2136,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_SEC_I2S_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_SEC_I2S_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_SEC_I2S_RX,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2152,6 +2160,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2176,6 +2187,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_SLIMBUS_0_RX ,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_SLIMBUS_0_RX ,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_SLIMBUS_0_RX ,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2200,6 +2214,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_INT_BT_SCO_RX ,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_INT_BT_SCO_RX ,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_INT_BT_SCO_RX ,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2224,6 +2241,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_MI2S_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_MI2S_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_MI2S_RX,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2248,6 +2268,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_AFE_PCM_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_AFE_PCM_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_AFE_PCM_RX,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2272,6 +2295,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_AUXPCM_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_AUXPCM_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_AUXPCM_RX,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2293,6 +2319,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_SEC_AUXPCM_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_SEC_AUXPCM_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_SEC_AUXPCM_RX,
 	MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
@@ -2314,6 +2343,9 @@
 	SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_HDMI_RX,
 	MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
 	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("VoWLAN", MSM_BACKEND_DAI_HDMI_RX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
 	SOC_SINGLE_EXT("Voice Stub", MSM_BACKEND_DAI_HDMI_RX,
 	MSM_FRONTEND_DAI_VOICE_STUB, 1, 0, msm_routing_get_voice_stub_mixer,
 	msm_routing_put_voice_stub_mixer),
@@ -2418,6 +2450,33 @@
 	msm_routing_put_voice_mixer),
 };
 
+static const struct snd_kcontrol_new tx_vowlan_mixer_controls[] = {
+	SOC_SINGLE_EXT("PRI_TX_VoWLAN", MSM_BACKEND_DAI_PRI_I2S_TX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("SLIM_0_TX_VoWLAN", MSM_BACKEND_DAI_SLIMBUS_0_TX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("INTERNAL_BT_SCO_TX_VoWLAN",
+	MSM_BACKEND_DAI_INT_BT_SCO_TX, MSM_FRONTEND_DAI_VOWLAN, 1, 0,
+	msm_routing_get_voice_mixer, msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("AFE_PCM_TX_VoWLAN", MSM_BACKEND_DAI_AFE_PCM_TX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("AUX_PCM_TX_VoWLAN", MSM_BACKEND_DAI_AUXPCM_TX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("SEC_AUX_PCM_TX_VoWLAN", MSM_BACKEND_DAI_SEC_AUXPCM_TX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("MI2S_TX_VoWLAN", MSM_BACKEND_DAI_MI2S_TX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
+	SOC_SINGLE_EXT("PRI_MI2S_TX_VoWLAN", MSM_BACKEND_DAI_PRI_MI2S_TX,
+	MSM_FRONTEND_DAI_VOWLAN, 1, 0, msm_routing_get_voice_mixer,
+	msm_routing_put_voice_mixer),
+};
+
 static const struct snd_kcontrol_new tx_voip_mixer_controls[] = {
 	SOC_SINGLE_EXT("PRI_TX_Voip", MSM_BACKEND_DAI_PRI_I2S_TX,
 	MSM_FRONTEND_DAI_VOIP, 1, 0, msm_routing_get_voice_mixer,
@@ -2611,6 +2670,11 @@
 	0, 1, 0, msm_routing_get_fm_pcmrx_switch_mixer,
 	msm_routing_put_fm_pcmrx_switch_mixer);
 
+static const struct snd_kcontrol_new pri_mi2s_rx_switch_mixer_controls =
+	SOC_SINGLE_EXT("Switch", SND_SOC_NOPM,
+	0, 1, 0, msm_routing_get_switch_mixer,
+	msm_routing_put_switch_mixer);
+
 static const struct soc_enum lsm_mux_enum =
 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mad_audio_mux_text), mad_audio_mux_text);
 
@@ -3151,6 +3215,8 @@
 	SND_SOC_DAPM_AIF_OUT("VOICE2_UL", "Voice2 Capture", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_IN("VoLTE_DL", "VoLTE Playback", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("VoLTE_UL", "VoLTE Capture", 0, 0, 0, 0),
+	SND_SOC_DAPM_AIF_IN("VoWLAN_DL", "VoWLAN Playback", 0, 0, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("VoWLAN_UL", "VoWLAN Capture", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("VOIP_UL", "VoIP Capture", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SLIM0_DL_HL", "SLIMBUS0_HOSTLESS Playback",
 		0, 0, 0, 0),
@@ -3192,6 +3258,9 @@
 	SND_SOC_DAPM_AIF_OUT("PRI_MI2S_UL_HL",
 		"Primary MI2S_TX Hostless Capture",
 		0, 0, 0, 0),
+	SND_SOC_DAPM_AIF_IN("PRI_MI2S_DL_HL",
+		"Primary MI2S_RX Hostless Playback",
+		0, 0, 0, 0),
 
 	SND_SOC_DAPM_AIF_OUT("MI2S_DL_HL", "MI2S_RX_HOSTLESS Playback",
 		0, 0, 0, 0),
@@ -3298,6 +3367,8 @@
 				&fm_switch_mixer_controls),
 	SND_SOC_DAPM_SWITCH("PCM_RX_DL_HL", SND_SOC_NOPM, 0, 0,
 				&pcm_rx_switch_mixer_controls),
+	SND_SOC_DAPM_SWITCH("PRI_MI2S_RX_DL_HL", SND_SOC_NOPM, 0, 0,
+				&pri_mi2s_rx_switch_mixer_controls),
 
 	/* Mux Definitions */
 	SND_SOC_DAPM_MUX("LSM1 MUX", SND_SOC_NOPM, 0, 0, &lsm1_mux),
@@ -3415,6 +3486,9 @@
 	SND_SOC_DAPM_MIXER("VoLTE_Tx Mixer",
 				SND_SOC_NOPM, 0, 0, tx_volte_mixer_controls,
 				ARRAY_SIZE(tx_volte_mixer_controls)),
+	SND_SOC_DAPM_MIXER("VoWLAN_Tx Mixer",
+				SND_SOC_NOPM, 0, 0, tx_vowlan_mixer_controls,
+				ARRAY_SIZE(tx_vowlan_mixer_controls)),
 	SND_SOC_DAPM_MIXER("INTERNAL_BT_SCO_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
 	int_bt_sco_rx_mixer_controls, ARRAY_SIZE(int_bt_sco_rx_mixer_controls)),
 	SND_SOC_DAPM_MIXER("INTERNAL_FM_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
@@ -3696,6 +3770,7 @@
 	{"PRI_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"PRI_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"PRI_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"PRI_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"PRI_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"PRI_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"PRI_RX_Voice Mixer", "QCHAT", "QCHAT_DL"},
@@ -3704,6 +3779,7 @@
 	{"SEC_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"SEC_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"SEC_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"SEC_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"SEC_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"SEC_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"SEC_RX_Voice Mixer", "QCHAT", "QCHAT_DL"},
@@ -3712,6 +3788,7 @@
 	{"SEC_MI2S_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"SEC_MI2S_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"SEC_MI2S_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"SEC_MI2S_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"SEC_MI2S_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"SEC_MI2S_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"SEC_MI2S_RX_Voice Mixer", "QCHAT", "QCHAT_DL"},
@@ -3720,6 +3797,7 @@
 	{"SLIM_0_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"SLIM_0_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"SLIM_0_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"SLIM_0_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"SLIM_0_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"SLIM_0_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"SLIM_0_RX_Voice Mixer", "Voice Stub", "VOICE_STUB_DL"},
@@ -3729,6 +3807,7 @@
 	{"INTERNAL_BT_SCO_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"INTERNAL_BT_SCO_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"INTERNAL_BT_SCO_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"INTERNAL_BT_SCO_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"INTERNAL_BT_SCO_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"INTERNAL_BT_SCO_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"INTERNAL_BT_SCO_RX_Voice Mixer", "QCHAT", "QCHAT_DL"},
@@ -3737,6 +3816,7 @@
 	{"AFE_PCM_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"AFE_PCM_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"AFE_PCM_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"AFE_PCM_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"AFE_PCM_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"AFE_PCM_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"AFE_PCM_RX_Voice Mixer", "QCHAT", "QCHAT_DL"},
@@ -3745,6 +3825,7 @@
 	{"AUX_PCM_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"AUX_PCM_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"AUX_PCM_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"AUX_PCM_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"AUX_PCM_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"AUX_PCM_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"AUX_PCM_RX_Voice Mixer", "Voice Stub", "VOICE_STUB_DL"},
@@ -3753,6 +3834,7 @@
 
 	{"SEC_AUX_PCM_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"SEC_AUX_PCM_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"SEC_AUX_PCM_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"SEC_AUX_PCM_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"SEC_AUX_PCM_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"SEC_AUX_PCM_RX_Voice Mixer", "Voice Stub", "VOICE_STUB_DL"},
@@ -3762,6 +3844,7 @@
 	{"HDMI_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
 	{"HDMI_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"HDMI_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"HDMI_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"HDMI_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"HDMI_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
 	{"HDMI_RX_Voice Mixer", "QCHAT", "QCHAT_DL"},
@@ -3772,6 +3855,7 @@
 	{"MI2S_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
 	{"MI2S_RX_Voice Mixer", "Voip", "VOIP_DL"},
 	{"MI2S_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+	{"MI2S_RX_Voice Mixer", "VoWLAN", "VoWLAN_DL"},
 	{"MI2S_RX_Voice Mixer", "Voice Stub", "VOICE_STUB_DL"},
 	{"MI2S_RX_Voice Mixer", "QCHAT", "QCHAT_DL"},
 	{"MI2S_RX", NULL, "MI2S_RX_Voice Mixer"},
@@ -3809,6 +3893,16 @@
 	{"VoLTE_Tx Mixer", "SEC_AUX_PCM_TX_VoLTE", "SEC_AUX_PCM_TX"},
 	{"VoLTE_Tx Mixer", "MI2S_TX_VoLTE", "MI2S_TX"},
 	{"VoLTE_UL", NULL, "VoLTE_Tx Mixer"},
+
+	{"VoWLAN_Tx Mixer", "PRI_TX_VoWLAN", "PRI_I2S_TX"},
+	{"VoWLAN_Tx Mixer", "SLIM_0_TX_VoWLAN", "SLIMBUS_0_TX"},
+	{"VoWLAN_Tx Mixer", "INTERNAL_BT_SCO_TX_VoWLAN", "INT_BT_SCO_TX"},
+	{"VoWLAN_Tx Mixer", "AFE_PCM_TX_VoWLAN", "PCM_TX"},
+	{"VoWLAN_Tx Mixer", "AUX_PCM_TX_VoWLAN", "AUX_PCM_TX"},
+	{"VoWLAN_Tx Mixer", "SEC_AUX_PCM_TX_VoWLAN", "SEC_AUX_PCM_TX"},
+	{"VoWLAN_Tx Mixer", "MI2S_TX_VoWLAN", "MI2S_TX"},
+	{"VoWLAN_UL", NULL, "VoWLAN_Tx Mixer"},
+
 	{"Voip_Tx Mixer", "PRI_TX_Voip", "PRI_I2S_TX"},
 	{"Voip_Tx Mixer", "MI2S_TX_Voip", "MI2S_TX"},
 	{"Voip_Tx Mixer", "SLIM_0_TX_Voip", "SLIMBUS_0_TX"},
@@ -3914,6 +4008,8 @@
 	{"MI2S_UL_HL", NULL, "MI2S_TX"},
 	{"PCM_RX_DL_HL", "Switch", "SLIM0_DL_HL"},
 	{"PCM_RX", NULL, "PCM_RX_DL_HL"},
+	{"PRI_MI2S_RX_DL_HL", "Switch", "PRI_MI2S_DL_HL"},
+	{"PRI_MI2S_RX", NULL, "PRI_MI2S_RX_DL_HL"},
 	{"MI2S_UL_HL", NULL, "TERT_MI2S_TX"},
 	{"SEC_I2S_RX", NULL, "SEC_I2S_DL_HL"},
 	{"PRI_MI2S_UL_HL", NULL, "PRI_MI2S_TX"},
@@ -4171,7 +4267,7 @@
 				path_type,
 				bedai->sample_rate,
 				channels,
-				topology, false,
+				topology, fe_dai_perf_mode[i][session_type],
 				bits_per_sample);
 			}
 
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.h b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.h
index f2b0436..87e44b2 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.h
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.h
@@ -89,6 +89,7 @@
 	MSM_FRONTEND_DAI_LSM6,
 	MSM_FRONTEND_DAI_LSM7,
 	MSM_FRONTEND_DAI_LSM8,
+	MSM_FRONTEND_DAI_VOWLAN,
 	MSM_FRONTEND_DAI_MAX,
 };
 
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.c
index 1074d76..fac5845 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.c
@@ -75,6 +75,14 @@
 		return false;
 }
 
+static bool is_vowlan(struct msm_voice *pvowlan)
+{
+	if (pvowlan == &voice_info[VOWLAN_SESSION_INDEX])
+		return true;
+	else
+		return false;
+}
+
 static uint32_t get_session_id(struct msm_voice *pvoc)
 {
 	uint32_t session_id = 0;
@@ -85,6 +93,8 @@
 		session_id = voc_get_session_id(VOICE2_SESSION_NAME);
 	else if (is_qchat(pvoc))
 		session_id = voc_get_session_id(QCHAT_SESSION_NAME);
+	else if (is_vowlan(pvoc))
+		session_id = voc_get_session_id(VOWLAN_SESSION_NAME);
 	else
 		session_id = voc_get_session_id(VOICE_SESSION_NAME);
 
@@ -134,6 +144,10 @@
 		voice = &voice_info[QCHAT_SESSION_INDEX];
 		pr_debug("%s: Open QCHAT Substream Id=%s\n",
 			 __func__, substream->pcm->id);
+	} else if (!strncmp("VoWLAN", substream->pcm->id, 6)) {
+		voice = &voice_info[VOWLAN_SESSION_INDEX];
+		pr_debug("%s: Open VoWLAN Substream Id=%s\n",
+			 __func__, substream->pcm->id);
 	} else {
 		voice = &voice_info[VOICE_SESSION_INDEX];
 		pr_debug("%s: Open VOICE Substream Id=%s\n",
@@ -448,6 +462,7 @@
 	voc_set_tty_mode(voc_get_session_id(VOICE_SESSION_NAME), tty_mode);
 	voc_set_tty_mode(voc_get_session_id(VOICE2_SESSION_NAME), tty_mode);
 	voc_set_tty_mode(voc_get_session_id(VOLTE_SESSION_NAME), tty_mode);
+	voc_set_tty_mode(voc_get_session_id(VOWLAN_SESSION_NAME), tty_mode);
 
 	return 0;
 }
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.h b/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.h
index f199be6..62c5732 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.h
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-voice-v2.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -18,6 +18,7 @@
 	VOLTE_SESSION_INDEX,
 	VOICE2_SESSION_INDEX,
 	QCHAT_SESSION_INDEX,
+	VOWLAN_SESSION_INDEX,
 	VOICE_SESSION_INDEX_MAX,
 };
 
diff --git a/sound/soc/msm/qdsp6v2/q6asm.c b/sound/soc/msm/qdsp6v2/q6asm.c
index 74b79dd..c36b53a 100644
--- a/sound/soc/msm/qdsp6v2/q6asm.c
+++ b/sound/soc/msm/qdsp6v2/q6asm.c
@@ -2505,8 +2505,35 @@
 /* Support for selecting stereo mixing coefficients for B family not done */
 int q6asm_cfg_aac_sel_mix_coef(struct audio_client *ac, uint32_t mix_coeff)
 {
-	/* To Be Done */
+	struct asm_aac_stereo_mix_coeff_selection_param_v2 aac_mix_coeff;
+	int rc = 0;
+
+	q6asm_add_hdr(ac, &aac_mix_coeff.hdr, sizeof(aac_mix_coeff), TRUE);
+	aac_mix_coeff.hdr.opcode = ASM_STREAM_CMD_SET_ENCDEC_PARAM;
+	aac_mix_coeff.param_id =
+		ASM_PARAM_ID_AAC_STEREO_MIX_COEFF_SELECTION_FLAG_V2;
+	aac_mix_coeff.param_size =
+		sizeof(struct asm_aac_stereo_mix_coeff_selection_param_v2);
+	aac_mix_coeff.aac_stereo_mix_coeff_flag = mix_coeff;
+	pr_debug("%s, mix_coeff = %u", __func__, mix_coeff);
+	rc = apr_send_pkt(ac->apr, (uint32_t *) &aac_mix_coeff);
+	if (rc < 0) {
+		pr_err("%s:Command opcode[0x%x]paramid[0x%x] failed\n",
+			__func__, ASM_STREAM_CMD_SET_ENCDEC_PARAM,
+			ASM_PARAM_ID_AAC_STEREO_MIX_COEFF_SELECTION_FLAG_V2);
+		goto fail_cmd;
+	}
+	rc = wait_event_timeout(ac->cmd_wait,
+		(atomic_read(&ac->cmd_state) == 0), 5*HZ);
+	if (!rc) {
+		pr_err("%s:timeout opcode[0x%x]\n",
+			__func__, aac_mix_coeff.hdr.opcode);
+		rc = -ETIMEDOUT;
+		goto fail_cmd;
+	}
 	return 0;
+fail_cmd:
+	return rc;
 }
 
 int q6asm_enc_cfg_blk_qcelp(struct audio_client *ac, uint32_t frames_per_buf,
diff --git a/sound/soc/msm/qdsp6v2/q6voice.c b/sound/soc/msm/qdsp6v2/q6voice.c
index 61a262f..ac8b018 100644
--- a/sound/soc/msm/qdsp6v2/q6voice.c
+++ b/sound/soc/msm/qdsp6v2/q6voice.c
@@ -141,6 +141,7 @@
 	case VOLTE_SESSION_VSID:
 	case VOIP_SESSION_VSID:
 	case QCHAT_SESSION_VSID:
+	case VOWLAN_SESSION_VSID:
 	case ALL_SESSION_VSID:
 		ret = true;
 		break;
@@ -234,6 +235,9 @@
 	} else if (session_id ==
 			common.voice[VOC_PATH_QCHAT_PASSIVE].session_id) {
 		session_name = QCHAT_SESSION_NAME;
+	} else if (session_id ==
+			common.voice[VOC_PATH_VOWLAN_PASSIVE].session_id) {
+		session_name = VOWLAN_SESSION_NAME;
 	} else if (session_id == common.voice[VOC_PATH_FULL].session_id) {
 		session_name = VOIP_SESSION_NAME;
 	}
@@ -256,6 +260,9 @@
 		else if (!strncmp(name, "QCHAT session", 13))
 			session_id =
 			common.voice[VOC_PATH_QCHAT_PASSIVE].session_id;
+		else if (!strncmp(name, "VoWLAN session", 14))
+			session_id =
+			common.voice[VOC_PATH_VOWLAN_PASSIVE].session_id;
 		else
 			session_id = common.voice[VOC_PATH_FULL].session_id;
 
@@ -291,6 +298,10 @@
 		v = &common.voice[VOC_PATH_QCHAT_PASSIVE];
 		break;
 
+	case VOWLAN_SESSION_VSID:
+		v = &common.voice[VOC_PATH_VOWLAN_PASSIVE];
+		break;
+
 	case ALL_SESSION_VSID:
 		break;
 
@@ -331,6 +342,10 @@
 		idx = VOC_PATH_QCHAT_PASSIVE;
 		break;
 
+	case VOWLAN_SESSION_VSID:
+		idx = VOC_PATH_VOWLAN_PASSIVE;
+		break;
+
 	case ALL_SESSION_VSID:
 		idx = MAX_VOC_SESSIONS - 1;
 		break;
@@ -375,6 +390,11 @@
 	return (session_id == common.voice[VOC_PATH_QCHAT_PASSIVE].session_id);
 }
 
+static bool is_vowlan_session(u32 session_id)
+{
+	return (session_id == common.voice[VOC_PATH_VOWLAN_PASSIVE].session_id);
+}
+
 static bool is_voc_state_active(int voc_state)
 {
 	if ((voc_state == VOC_RUN) ||
@@ -433,6 +453,7 @@
 	common.voice[VOC_PATH_VOICE2_PASSIVE].session_id = VOICE2_SESSION_VSID;
 	common.voice[VOC_PATH_FULL].session_id = VOIP_SESSION_VSID;
 	common.voice[VOC_PATH_QCHAT_PASSIVE].session_id = QCHAT_SESSION_VSID;
+	common.voice[VOC_PATH_VOWLAN_PASSIVE].session_id = VOWLAN_SESSION_VSID;
 }
 
 static int voice_apr_register(void)
@@ -661,6 +682,10 @@
 				strlcpy(mvm_session_cmd.mvm_session.name,
 				QCHAT_SESSION_VSID_STR,
 				sizeof(mvm_session_cmd.mvm_session.name));
+			} else if (is_vowlan_session(v->session_id)) {
+				strlcpy(mvm_session_cmd.mvm_session.name,
+				VOWLAN_SESSION_VSID_STR,
+				sizeof(mvm_session_cmd.mvm_session.name));
 			} else {
 				strlcpy(mvm_session_cmd.mvm_session.name,
 				"default modem voice",
@@ -753,6 +778,10 @@
 				strlcpy(cvs_session_cmd.cvs_session.name,
 				QCHAT_SESSION_VSID_STR,
 				sizeof(cvs_session_cmd.cvs_session.name));
+			} else if (is_vowlan_session(v->session_id)) {
+				strlcpy(cvs_session_cmd.cvs_session.name,
+				VOWLAN_SESSION_VSID_STR,
+				sizeof(cvs_session_cmd.cvs_session.name));
 			} else {
 			strlcpy(cvs_session_cmd.cvs_session.name,
 				"default modem voice",
diff --git a/sound/soc/msm/qdsp6v2/q6voice.h b/sound/soc/msm/qdsp6v2/q6voice.h
index 9efc9fc..59c86cd 100644
--- a/sound/soc/msm/qdsp6v2/q6voice.h
+++ b/sound/soc/msm/qdsp6v2/q6voice.h
@@ -1319,7 +1319,7 @@
 	void *buf;
 };
 
-#define MAX_VOC_SESSIONS 5
+#define MAX_VOC_SESSIONS 6
 
 struct common_data {
 	/* these default values are for all devices */
@@ -1393,21 +1393,25 @@
 #define VOC_PATH_VOLTE_PASSIVE 2
 #define VOC_PATH_VOICE2_PASSIVE 3
 #define VOC_PATH_QCHAT_PASSIVE 4
+#define VOC_PATH_VOWLAN_PASSIVE 5
 
 #define MAX_SESSION_NAME_LEN 32
-#define VOICE_SESSION_NAME  "Voice session"
-#define VOIP_SESSION_NAME   "VoIP session"
-#define VOLTE_SESSION_NAME  "VoLTE session"
-#define VOICE2_SESSION_NAME "Voice2 session"
-#define QCHAT_SESSION_NAME  "QCHAT session"
+#define VOICE_SESSION_NAME   "Voice session"
+#define VOIP_SESSION_NAME    "VoIP session"
+#define VOLTE_SESSION_NAME   "VoLTE session"
+#define VOICE2_SESSION_NAME  "Voice2 session"
+#define QCHAT_SESSION_NAME   "QCHAT session"
+#define VOWLAN_SESSION_NAME  "VoWLAN session"
 
 #define VOICE2_SESSION_VSID_STR "10DC1000"
 #define QCHAT_SESSION_VSID_STR "10803000"
+#define VOWLAN_SESSION_VSID_STR "10002000"
 #define VOICE_SESSION_VSID  0x10C01000
 #define VOICE2_SESSION_VSID 0x10DC1000
 #define VOLTE_SESSION_VSID  0x10C02000
 #define VOIP_SESSION_VSID   0x10004000
 #define QCHAT_SESSION_VSID  0x10803000
+#define VOWLAN_SESSION_VSID 0x10002000
 #define ALL_SESSION_VSID    0xFFFFFFFF
 #define VSID_MAX            ALL_SESSION_VSID