Merge "tty: n_smux: Add throughput metrics to unit tests"
diff --git a/Documentation/devicetree/bindings/i2c/i2c-qup.txt b/Documentation/devicetree/bindings/i2c/i2c-qup.txt
index a7976e8..fd7b635 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-qup.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-qup.txt
@@ -28,10 +28,18 @@
 		      recovery procedure.
  - qcom,sda-gpio     : I2C data  GPIO number. Required for execution of bus
 		      recovery procedure.
+ - qcom,active-only  : Vote for core clock when the application processor goes
+		      to active state and remove that vote when it goes to idle
+		      state. This flag may improve service time of first i2c
+		      request at the expense of power consumption. When this
+		      entry is not present, voting is done by the runtime-pm
+		      callbacks.
+ - qcom,master-id    : Master endpoint number used for voting on clocks using
+		      bus-scaling driver.
 
 Example:
-	i2c@f9966000 {
-		cell-index = <0>;
+	i2c_3: i2c@f9966000 {
+		cell-index = <3>;
 		compatible = "qcom,i2c-qup";
 		reg = <0xf9966000 0x1000>;
 		reg-names = "qup_phys_addr";
diff --git a/Documentation/devicetree/bindings/power/qpnp-charger.txt b/Documentation/devicetree/bindings/power/qpnp-charger.txt
index 359ee6c..43df9cc 100644
--- a/Documentation/devicetree/bindings/power/qpnp-charger.txt
+++ b/Documentation/devicetree/bindings/power/qpnp-charger.txt
@@ -41,6 +41,8 @@
 					by default. This can then be overriden
 					writing the the module parameter
 					"charging_disabled".
+- qcom,duty-cycle-100p:			Set this property to enable the 100% duty
+					cycle feature.
 - qcom,use-default-batt-values:		Set this flag to force reporting of
 					battery temperature of 250 decidegree
 					Celsius, state of charge to be 50%
@@ -63,6 +65,10 @@
 					detection, "bpd_thm_id" selects both.
 					If the property is not set the hw default will
 					be used.
+- otg-parent-supply			Specify a phandle to a parent supply regulator
+					for the OTG regulator.
+- boost-parent-supply			Specify a phandle to a parent supply regulator
+					for the boost regulator.
 
 Sub node required structure:
 - A qcom,chg node must be a child of an SPMI node that has specified
@@ -85,6 +91,7 @@
 
 			qcom,usb-chgpth:
 			 - usbin-valid
+
 			qcom,chgr:
 			 - chg-done
 			 - chg-failed
@@ -141,6 +148,16 @@
 			 - limit-error:		Limiting error on SMBB boost.
 			 - boost-pwr-ok:	Status of boost power.
 
+Sub node optional properties:
+			qcom,usb-chgpth:
+			 - regulator-name:	A string used as a descriptive name
+						for the OTG regulator.
+			qcom,boost:
+			 - regulator-min-microvolt:	Minimum boost voltage setting.
+			 - regulator-max-microvolt:	Maximum boost voltage setting.
+			 - regulator-name:	A string used as a descriptive name
+						for the boost regulator.
+
 Example:
 	pm8941-chg {
 		spmi-dev-container;
@@ -148,6 +165,9 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
+		otg-parent-supply = <&pm8941_boost>;
+		boost-parent-supply = <&foo_parent_reg>;
+
 		qcom,vddmax-mv = <4200>;
 		qcom,vddsafe-mv = <4200>;
 		qcom,vinmin-mv = <4200>;
@@ -218,7 +238,7 @@
 						"batt-pres";
 		};
 
-		qcom,usb-chgpth@1300 {
+		pm8941_chg_otg: qcom,usb-chgpth@1300 {
 			reg = <0x1300 0x100>;
 			interrupts =	<0 0x13 0x0>,
 					<0 0x13 0x1>,
@@ -238,7 +258,7 @@
 						"coarse-det-dc";
 		};
 
-		qcom,boost@1500 {
+		pm8941_chg_boost: qcom,boost@1500 {
 			reg = <0x1500 0x100>;
 			interrupts =	<0x0 0x15 0x0>,
 					<0x0 0x15 0x1>;
@@ -251,3 +271,15 @@
 			reg = <0x1600 0x100>;
 		};
 	};
+
+In regulator specific device tree file:
+
+	&pm8941_chg_boost {
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-name = "8941_smbb_boost";
+	};
+
+	&pm8941_chg_otg {
+		regulator-name = "8941_smbb_otg";
+	};
diff --git a/arch/arm/boot/dts/apq8074-dragonboard.dtsi b/arch/arm/boot/dts/apq8074-dragonboard.dtsi
index ea626c8..5700b8d 100644
--- a/arch/arm/boot/dts/apq8074-dragonboard.dtsi
+++ b/arch/arm/boot/dts/apq8074-dragonboard.dtsi
@@ -92,6 +92,7 @@
 	};
 
 	i2c@f9923000 {
+		status = "ok";
 		atmel_mxt_ts@4a {
 			compatible = "atmel,mxt-ts";
 			reg = <0x4a>;
diff --git a/arch/arm/boot/dts/msm-pm8941.dtsi b/arch/arm/boot/dts/msm-pm8941.dtsi
index 34ea33d..85a5608 100644
--- a/arch/arm/boot/dts/msm-pm8941.dtsi
+++ b/arch/arm/boot/dts/msm-pm8941.dtsi
@@ -247,7 +247,7 @@
 
 			};
 
-			qcom,usb-chgpth@1300 {
+			pm8941_chg_otg: qcom,usb-chgpth@1300 {
 				status = "disabled";
 				reg = <0x1300 0x100>;
 				interrupts =	<0 0x13 0x0>,
@@ -269,7 +269,7 @@
 							"dcin-valid";
 			};
 
-			qcom,boost@1500 {
+			pm8941_chg_boost: qcom,boost@1500 {
 				status = "disabled";
 				reg = <0x1500 0x100>;
 				interrupts =	<0x0 0x15 0x0>,
diff --git a/arch/arm/boot/dts/msm8974-liquid.dtsi b/arch/arm/boot/dts/msm8974-liquid.dtsi
index c2dae28..b30d65c 100644
--- a/arch/arm/boot/dts/msm8974-liquid.dtsi
+++ b/arch/arm/boot/dts/msm8974-liquid.dtsi
@@ -424,10 +424,6 @@
 	qcom,otg-capability;
 };
 
-&pm8941_mvs1 {
-	parent-supply = <&ext_5v>;
-};
-
 &pm8941_mvs2 {
 	parent-supply = <&ext_5v>;
 };
@@ -777,6 +773,7 @@
 
 &pm8941_chg {
 	status = "ok";
+	otg-parent-supply = <&ext_5v>;
 
 	qcom,charging-disabled;
 
diff --git a/arch/arm/boot/dts/msm8974-regulator.dtsi b/arch/arm/boot/dts/msm8974-regulator.dtsi
index 35f3993..2114686 100644
--- a/arch/arm/boot/dts/msm8974-regulator.dtsi
+++ b/arch/arm/boot/dts/msm8974-regulator.dtsi
@@ -25,7 +25,7 @@
 		};
 
 		pm8941_mvs1: regulator@8300 {
-			parent-supply = <&pm8941_boost>;
+			parent-supply = <&pm8941_chg_otg>;
 			qcom,enable-time = <1000>;
 			qcom,pull-down-enable = <1>;
 			interrupts = <0x1 0x83 0x2>;
@@ -552,3 +552,17 @@
 		regulator-always-on;
 	};
 };
+
+&pm8941_chg {
+	otg-parent-supply = <&pm8941_boost>;
+};
+
+&pm8941_chg_boost {
+	regulator-min-microvolt = <5000000>;
+	regulator-max-microvolt = <5000000>;
+	regulator-name = "8941_smbb_boost";
+};
+
+&pm8941_chg_otg {
+	regulator-name = "8941_smbb_otg";
+};
diff --git a/arch/arm/boot/dts/msm8974-v2-mtp.dts b/arch/arm/boot/dts/msm8974-v2-mtp.dts
index 1735515..792a78c 100644
--- a/arch/arm/boot/dts/msm8974-v2-mtp.dts
+++ b/arch/arm/boot/dts/msm8974-v2-mtp.dts
@@ -36,5 +36,5 @@
 };
 
 &pm8941_chg {
-	qcom,bpd-detection = "bpd_id";
+	qcom,bpd-detection = "bpd_thm";
 };
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsi
index e2dd3fd..75c2a92 100644
--- a/arch/arm/boot/dts/msm8974.dtsi
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -26,6 +26,35 @@
 		sdhc4 = &sdhc_4; /* SDC4 SDIO slot */
 	};
 
+	cpus {
+		#size-cells = <0>;
+		#address-cells = <1>;
+
+		CPU0: cpu@0 {
+			device_type = "cpu";
+			compatible = "qcom,krait";
+			reg = <0x0>;
+		};
+
+		CPU1: cpu@1 {
+			device_type = "cpu";
+			compatible = "qcom,krait";
+			reg = <0x1>;
+		};
+
+		CPU2: cpu@2 {
+			device_type = "cpu";
+			compatible = "qcom,krait";
+			reg = <0x2>;
+		};
+
+		CPU3: cpu@3 {
+			device_type = "cpu";
+			compatible = "qcom,krait";
+			reg = <0x3>;
+		};
+	};
+
 	memory {
 		secure_mem: secure_region {
 			linux,contiguous-region;
@@ -738,6 +767,7 @@
 		interrupt-names = "qup_err_intr";
 		qcom,i2c-bus-freq = <100000>;
 		qcom,i2c-src-freq = <50000000>;
+		qcom,master-id = <84>;
 	};
 
 	i2c_1: i2c@f9923000 {
@@ -753,6 +783,7 @@
 		qcom,i2c-src-freq = <19200000>;
 		qcom,scl-gpio = <&msmgpio 3 0>;
 		qcom,sda-gpio = <&msmgpio 2 0>;
+		qcom,master-id = <86>;
 		status = "disabled";
 	};
 
@@ -767,6 +798,7 @@
 		interrupt-names = "qup_err_intr";
 		qcom,i2c-bus-freq = <100000>;
 		qcom,i2c-src-freq = <50000000>;
+		qcom,master-id = <86>;
 	};
 
 	spi_0: spi@f9923000 {
diff --git a/arch/arm/configs/msm9625-perf_defconfig b/arch/arm/configs/msm9625-perf_defconfig
index f434199..c48eb79 100644
--- a/arch/arm/configs/msm9625-perf_defconfig
+++ b/arch/arm/configs/msm9625-perf_defconfig
@@ -161,6 +161,7 @@
 CONFIG_CFG80211=m
 CONFIG_NL80211_TESTMODE=y
 CONFIG_MTD=y
+CONFIG_MTD_CHAR=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_OF_PARTS=y
 CONFIG_MTD_BLOCK=y
diff --git a/arch/arm/configs/msm9625_defconfig b/arch/arm/configs/msm9625_defconfig
index ba246e5..4f2a637 100644
--- a/arch/arm/configs/msm9625_defconfig
+++ b/arch/arm/configs/msm9625_defconfig
@@ -163,6 +163,7 @@
 CONFIG_CFG80211=m
 CONFIG_NL80211_TESTMODE=y
 CONFIG_MTD=y
+CONFIG_MTD_CHAR=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_OF_PARTS=y
 CONFIG_MTD_BLOCK=y
diff --git a/arch/arm/mach-msm/clock-8610.c b/arch/arm/mach-msm/clock-8610.c
index 1034516..5df3f3e 100644
--- a/arch/arm/mach-msm/clock-8610.c
+++ b/arch/arm/mach-msm/clock-8610.c
@@ -3039,6 +3039,18 @@
 	CLK_LOOKUP("iface_clk",    gcc_ce1_ahb_clk.c,  "scm"),
 	CLK_LOOKUP("bus_clk",      gcc_ce1_axi_clk.c,  "scm"),
 	CLK_LOOKUP("core_clk_src", ce1_clk_src.c,      "scm"),
+
+	/* Add QCEDEV clocks */
+	CLK_LOOKUP("core_clk",     gcc_ce1_clk.c,      "fd400000.qcom,qcedev"),
+	CLK_LOOKUP("iface_clk",    gcc_ce1_ahb_clk.c,  "fd400000.qcom,qcedev"),
+	CLK_LOOKUP("bus_clk",      gcc_ce1_axi_clk.c,  "fd400000.qcom,qcedev"),
+	CLK_LOOKUP("core_clk_src", ce1_clk_src.c,      "fd400000.qcom,qcedev"),
+
+	/* Add QCRYPTO clocks */
+	CLK_LOOKUP("core_clk",     gcc_ce1_clk.c,     "fd404000.qcom,qcrypto"),
+	CLK_LOOKUP("iface_clk",    gcc_ce1_ahb_clk.c, "fd404000.qcom,qcrypto"),
+	CLK_LOOKUP("bus_clk",      gcc_ce1_axi_clk.c, "fd404000.qcom,qcrypto"),
+	CLK_LOOKUP("core_clk_src", ce1_clk_src.c,     "fd404000.qcom,qcrypto"),
 };
 
 static struct clk_lookup msm_clocks_8610_rumi[] = {
diff --git a/arch/arm/mach-msm/clock-8974.c b/arch/arm/mach-msm/clock-8974.c
index dabab9f..53e35ef 100644
--- a/arch/arm/mach-msm/clock-8974.c
+++ b/arch/arm/mach-msm/clock-8974.c
@@ -5395,12 +5395,6 @@
 		writel_relaxed(regval | BIT(26) | BIT(25),
 				GCC_REG_BASE(APCS_CLOCK_BRANCH_ENA_VOTE));
 	}
-
-	/*
-	 * TODO: Confirm that no clocks need to be voted on in this sleep vote
-	 * register.
-	 */
-	writel_relaxed(0x0, GCC_REG_BASE(APCS_CLOCK_SLEEP_ENA_VOTE));
 }
 
 static void __init msm8974_clock_post_init(void)
diff --git a/arch/arm/mach-msm/clock-local2.c b/arch/arm/mach-msm/clock-local2.c
index e67d973..fff517a 100644
--- a/arch/arm/mach-msm/clock-local2.c
+++ b/arch/arm/mach-msm/clock-local2.c
@@ -559,11 +559,8 @@
 {
 	struct branch_clk *branch = to_branch_clk(c);
 
-	if (!branch->bcr_reg) {
-		WARN("clk_reset called on an unsupported clock (%s)\n",
-			c->dbg_name);
+	if (!branch->bcr_reg)
 		return -EPERM;
-	}
 	return __branch_clk_reset(BCR_REG(branch), action);
 }
 
diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index 608018c..582bccf 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -475,7 +475,7 @@
 	mutex_lock(&clk->prepare_lock);
 
 	/* Return early if the rate isn't going to change */
-	if (clk->rate == rate)
+	if (clk->rate == rate && !(clk->flags & CLKFLAG_NO_RATE_CACHE))
 		goto out;
 
 	trace_clock_set_rate(name, rate, raw_smp_processor_id());
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index d3ef0be..7b26bd6 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -510,6 +510,15 @@
 	bool mhl_enabled;
 };
 
+/**
+ * msm_i2c_platform_data: i2c-qup driver configuration data
+ *
+ * @active_only when set, votes when system active and removes the vote when
+ *       system goes idle (optimises for performance). When unset, voting using
+ *       runtime pm (optimizes for power).
+ * @master_id master id number of the i2c core or its wrapper (BLSP/GSBI).
+ *       When zero, clock path voting is disabled.
+ */
 struct msm_i2c_platform_data {
 	int clk_freq;
 	uint32_t rmutex;
@@ -523,6 +532,8 @@
 	int use_gsbi_shared_mode;
 	int keep_ahb_clk_on;
 	void (*msm_i2c_config_gpio)(int iface, int config_type);
+	bool active_only;
+	uint32_t master_id;
 };
 
 struct msm_i2c_ssbi_platform_data {
diff --git a/arch/arm/mach-msm/include/mach/clk.h b/arch/arm/mach-msm/include/mach/clk.h
index 1809456..fae0777 100644
--- a/arch/arm/mach-msm/include/mach/clk.h
+++ b/arch/arm/mach-msm/include/mach/clk.h
@@ -25,6 +25,7 @@
 #define CLKFLAG_MAX			0x00000800
 #define CLKFLAG_INIT_DONE		0x00001000
 #define CLKFLAG_INIT_ERR		0x00002000
+#define CLKFLAG_NO_RATE_CACHE		0x00004000
 
 struct clk_lookup;
 struct clk;
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h
index 676df66..7b73333 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap.h
@@ -81,16 +81,6 @@
 #define MSM_LPASS_CLK_CTL_BASE	IOMEM(0xFA015000)	/*  4K	*/
 #define MSM_HFPLL_BASE		IOMEM(0xFA016000)	/*  4K	*/
 #define MSM_TLMM_BASE		IOMEM(0xFA017000)	/* 16K	*/
-#define MSM_SHARED_RAM_BASE	IOMEM(0xFA400000)	/*  2M  */
-#define MSM_SIC_NON_SECURE_BASE	IOMEM(0xFA600000)	/* 64K	*/
-#define MSM_HDMI_BASE		IOMEM(0xFA800000)	/*  4K  */
-#define MSM_RPM_BASE		IOMEM(0xFA801000)	/*  4K	*/
-#define MSM_RPM_MPM_BASE	IOMEM(0xFA802000)	/*  4K	*/
-#define MSM_QFPROM_BASE		IOMEM(0xFA700000)	/*  4K  */
-#define MSM_L2CC_BASE		IOMEM(0xFA701000)	/*  4K  */
-#define MSM_APCS_GLB_BASE	IOMEM(0xFA702000)	/*  4K  */
-#define MSM_SAW2_BASE		IOMEM(0xFA703000)	/*  4k  */
-#define MSM_SAW3_BASE		IOMEM(0xFA704000)	/*  4k  */
 #define MSM_VIC_BASE		IOMEM(0xFA100000)	/*  4K */
 #define MSM_CSR_BASE		IOMEM(0xFA101000)	/*  4K */
 #define MSM_GPIO1_BASE		IOMEM(0xFA102000)	/*  4K */
@@ -99,7 +89,16 @@
 #define MSM_CFG_CTL_BASE	IOMEM(0xFA105000)	/*  4K */
 #define MSM_CLK_CTL_SH2_BASE	IOMEM(0xFA106000)	/*  4K */
 #define MSM_MPM2_PSHOLD_BASE	IOMEM(0xFA107000)	/*  4k */
-#define MSM_MDC_BASE		IOMEM(0xFA400000)	/*  1M */
+#define MSM_SHARED_RAM_BASE	IOMEM(0xFA400000)	/*  2M  */
+#define MSM_SIC_NON_SECURE_BASE	IOMEM(0xFA600000)	/* 64K	*/
+#define MSM_QFPROM_BASE		IOMEM(0xFA700000)	/*  4K  */
+#define MSM_L2CC_BASE		IOMEM(0xFA701000)	/*  4K  */
+#define MSM_APCS_GLB_BASE	IOMEM(0xFA702000)	/*  4K  */
+#define MSM_SAW2_BASE		IOMEM(0xFA703000)	/*  4k  */
+#define MSM_SAW3_BASE		IOMEM(0xFA704000)	/*  4k  */
+#define MSM_HDMI_BASE		IOMEM(0xFA800000)	/*  4K  */
+#define MSM_RPM_BASE		IOMEM(0xFA801000)	/*  4K	*/
+#define MSM_RPM_MPM_BASE	IOMEM(0xFA802000)	/*  4K	*/
 #define MSM_AD5_BASE		IOMEM(0xFA900000)	/*  13M (D00000)
 							  0xFB600000 */
 /* MSM9625 has unaligned imem so we need to map excess 2K virtually
diff --git a/arch/arm/mach-msm/include/mach/msm_ipc_router.h b/arch/arm/mach-msm/include/mach/msm_ipc_router.h
index 894379e..5dc1095 100644
--- a/arch/arm/mach-msm/include/mach/msm_ipc_router.h
+++ b/arch/arm/mach-msm/include/mach/msm_ipc_router.h
@@ -46,9 +46,6 @@
 	spinlock_t port_lock;
 	struct comm_mode_info mode_info;
 
-	struct list_head incomplete;
-	struct mutex incomplete_lock;
-
 	struct list_head port_rx_q;
 	struct mutex port_rx_q_lock;
 	char rx_wakelock_name[MAX_WAKELOCK_NAME_SZ];
diff --git a/arch/arm/mach-msm/include/mach/sps.h b/arch/arm/mach-msm/include/mach/sps.h
index c5ad35d..3332701 100644
--- a/arch/arm/mach-msm/include/mach/sps.h
+++ b/arch/arm/mach-msm/include/mach/sps.h
@@ -1271,6 +1271,15 @@
 int sps_get_bam_debug_info(u32 dev, u32 option, u32 para,
 		u32 tb_sel, u32 desc_sel);
 
+/**
+ * Vote for or relinquish BAM DMA clock
+ *
+ * @clk_on - to turn on or turn off the clock
+ *
+ * @return 0 on success, negative value on error
+ *
+ */
+int sps_ctrl_bam_dma_clk(bool clk_on);
 #else
 static inline int sps_register_bam_device(const struct sps_bam_props
 			*bam_props, u32 *dev_handle)
@@ -1433,6 +1442,11 @@
 {
 	return -EPERM;
 }
+
+static inline int sps_ctrl_bam_dma_clk(bool clk_on)
+{
+	return -EPERM;
+}
 #endif
 
 #endif /* _SPS_H_ */
diff --git a/arch/arm/mach-msm/trace_msm_low_power.h b/arch/arm/mach-msm/include/mach/trace_msm_low_power.h
similarity index 98%
rename from arch/arm/mach-msm/trace_msm_low_power.h
rename to arch/arm/mach-msm/include/mach/trace_msm_low_power.h
index 4e9da85..faa4209 100644
--- a/arch/arm/mach-msm/trace_msm_low_power.h
+++ b/arch/arm/mach-msm/include/mach/trace_msm_low_power.h
@@ -149,6 +149,6 @@
 );
 #endif
 #undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_PATH mach
 #define TRACE_INCLUDE_FILE trace_msm_low_power
 #include <trace/define_trace.h>
diff --git a/arch/arm/mach-msm/trace_rpm_smd.h b/arch/arm/mach-msm/include/mach/trace_rpm_smd.h
similarity index 98%
rename from arch/arm/mach-msm/trace_rpm_smd.h
rename to arch/arm/mach-msm/include/mach/trace_rpm_smd.h
index eff4860..1b019d8 100644
--- a/arch/arm/mach-msm/trace_rpm_smd.h
+++ b/arch/arm/mach-msm/include/mach/trace_rpm_smd.h
@@ -74,6 +74,6 @@
 );
 #endif
 #undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_PATH mach
 #define TRACE_INCLUDE_FILE trace_rpm_smd
 #include <trace/define_trace.h>
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index 73e960f..7fb2c88 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -69,7 +69,6 @@
 	MSM_CHIP_DEVICE(GPIO2, MSM7XXX),
 	MSM_CHIP_DEVICE(CLK_CTL, MSM7XXX),
 	MSM_CHIP_DEVICE(AD5, MSM7XXX),
-	MSM_CHIP_DEVICE(MDC, MSM7XXX),
 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
 	defined(CONFIG_DEBUG_MSM_UART3)
 	MSM_DEVICE(DEBUG_UART),
@@ -117,7 +116,6 @@
 	MSM_DEVICE(SIRC),
 	MSM_DEVICE(SCPLL),
 	MSM_DEVICE(AD5),
-	MSM_DEVICE(MDC),
 	MSM_DEVICE(TCSR),
 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
 	defined(CONFIG_DEBUG_MSM_UART3)
@@ -353,7 +351,6 @@
 	MSM_CHIP_DEVICE(CLK_CTL, MSM7X30),
 	MSM_CHIP_DEVICE(CLK_CTL_SH2, MSM7X30),
 	MSM_CHIP_DEVICE(AD5, MSM7X30),
-	MSM_CHIP_DEVICE(MDC, MSM7X30),
 	MSM_CHIP_DEVICE(ACC0, MSM7X30),
 	MSM_CHIP_DEVICE(SAW0, MSM7X30),
 	MSM_CHIP_DEVICE(APCS_GCC, MSM7X30),
@@ -476,7 +473,6 @@
 	MSM_CHIP_DEVICE(SAW2, MSM8625),
 	MSM_CHIP_DEVICE(SAW3, MSM8625),
 	MSM_CHIP_DEVICE(AD5, MSM7XXX),
-	MSM_CHIP_DEVICE(MDC, MSM7XXX),
 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
 	defined(CONFIG_DEBUG_MSM_UART3)
 	MSM_DEVICE(DEBUG_UART),
diff --git a/arch/arm/mach-msm/ipc_router.c b/arch/arm/mach-msm/ipc_router.c
index f95ef3b..573b9a3 100644
--- a/arch/arm/mach-msm/ipc_router.c
+++ b/arch/arm/mach-msm/ipc_router.c
@@ -115,7 +115,6 @@
 #define SRV_HASH_SIZE 32
 static struct list_head server_list[SRV_HASH_SIZE];
 static DEFINE_MUTEX(server_list_lock);
-static wait_queue_head_t newserver_wait;
 
 struct msm_ipc_server {
 	struct list_head list;
@@ -182,9 +181,6 @@
 static DEFINE_MUTEX(routing_table_lock);
 static int routing_table_inited;
 
-static LIST_HEAD(msm_ipc_board_dev_list);
-static DEFINE_MUTEX(msm_ipc_board_dev_list_lock);
-
 static void do_read_data(struct work_struct *work);
 
 #define RR_STATE_IDLE    0
@@ -586,8 +582,6 @@
 	}
 
 	spin_lock_init(&port_ptr->port_lock);
-	INIT_LIST_HEAD(&port_ptr->incomplete);
-	mutex_init(&port_ptr->incomplete_lock);
 	INIT_LIST_HEAD(&port_ptr->port_rx_q);
 	mutex_init(&port_ptr->port_rx_q_lock);
 	init_waitqueue_head(&port_ptr->port_rx_wait_q);
@@ -3120,7 +3114,6 @@
 	}
 	mutex_unlock(&routing_table_lock);
 
-	init_waitqueue_head(&newserver_wait);
 	init_waitqueue_head(&subsystem_restart_wait);
 	ret = msm_ipc_router_init_sockets();
 	if (ret < 0)
diff --git a/arch/arm/mach-msm/lpm_resources.c b/arch/arm/mach-msm/lpm_resources.c
index 624a27c..1d9c539 100644
--- a/arch/arm/mach-msm/lpm_resources.c
+++ b/arch/arm/mach-msm/lpm_resources.c
@@ -23,11 +23,12 @@
 #include <linux/tick.h>
 #include <mach/mpm.h>
 #include <mach/rpm-smd.h>
+#include <mach/trace_msm_low_power.h>
 #include "spm.h"
 #include "lpm_resources.h"
 #include "rpm-notifier.h"
 #include "idle.h"
-#include "trace_msm_low_power.h"
+
 
 /*Debug Definitions*/
 enum {
diff --git a/arch/arm/mach-msm/memory.c b/arch/arm/mach-msm/memory.c
index 1680993..d7d3081 100644
--- a/arch/arm/mach-msm/memory.c
+++ b/arch/arm/mach-msm/memory.c
@@ -384,7 +384,28 @@
 	return 0;
 }
 
-/* This function scans the device tree to populate the memory hole table */
+/* Function to remove any meminfo blocks which are of size zero */
+static void merge_meminfo(void)
+{
+	int i = 0;
+
+	while (i < meminfo.nr_banks) {
+		struct membank *bank = &meminfo.bank[i];
+
+		if (bank->size == 0) {
+			memmove(bank, bank + 1,
+			(meminfo.nr_banks - i) * sizeof(*bank));
+			meminfo.nr_banks--;
+			continue;
+		}
+		i++;
+	}
+}
+
+/*
+ * Function to scan the device tree and adjust the meminfo table to
+ * reflect the memory holes.
+ */
 int __init dt_scan_for_memory_hole(unsigned long node, const char *uname,
 		int depth, void *data)
 {
@@ -413,16 +434,6 @@
 		hole_start = be32_to_cpu(memory_remove_prop[0]);
 		hole_size = be32_to_cpu(memory_remove_prop[1]);
 
-		if (hole_start + hole_size <= MAX_HOLE_ADDRESS) {
-			if (memory_hole_start == 0 && memory_hole_end == 0) {
-				memory_hole_start = hole_start;
-				memory_hole_end = hole_start + hole_size;
-			} else if ((memory_hole_end - memory_hole_start)
-							<= hole_size) {
-				memory_hole_start = hole_start;
-				memory_hole_end = hole_start + hole_size;
-			}
-		}
 		adjust_meminfo(hole_start, hole_size);
 	}
 
@@ -452,6 +463,7 @@
 			bank[1].start = (start + size);
 			bank[1].size -= (bank->size + size);
 			bank[1].highmem = 0;
+			merge_meminfo();
 		}
 	}
 }
diff --git a/arch/arm/mach-msm/pm-8x60.c b/arch/arm/mach-msm/pm-8x60.c
index 5e44a4e..4a54dd4 100644
--- a/arch/arm/mach-msm/pm-8x60.c
+++ b/arch/arm/mach-msm/pm-8x60.c
@@ -35,6 +35,8 @@
 #include <mach/system.h>
 #include <mach/scm.h>
 #include <mach/socinfo.h>
+#define CREATE_TRACE_POINTS
+#include <mach/trace_msm_low_power.h>
 #include <mach/msm-krait-l2-accessors.h>
 #include <mach/msm_bus.h>
 #include <asm/cacheflush.h>
@@ -56,8 +58,7 @@
 #include "timer.h"
 #include "pm-boot.h"
 #include <mach/event_timer.h>
-#define CREATE_TRACE_POINTS
-#include "trace_msm_low_power.h"
+
 #define SCM_L2_RETENTION	(0x2)
 #define SCM_CMD_TERMINATE_PC	(0x2)
 
diff --git a/arch/arm/mach-msm/rpm-smd.c b/arch/arm/mach-msm/rpm-smd.c
index 1eb66f4..38ed867 100644
--- a/arch/arm/mach-msm/rpm-smd.c
+++ b/arch/arm/mach-msm/rpm-smd.c
@@ -36,9 +36,9 @@
 #include <mach/socinfo.h>
 #include <mach/msm_smd.h>
 #include <mach/rpm-smd.h>
-#include "rpm-notifier.h"
 #define CREATE_TRACE_POINTS
-#include "trace_rpm_smd.h"
+#include <mach/trace_rpm_smd.h>
+#include "rpm-notifier.h"
 /* Debug Definitions */
 
 enum {
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 26b92d4..34cb153 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -395,32 +395,29 @@
 	unsigned long hole_end_virt;
 
 	/*
-	 * Find the start and end of the hole, using meminfo
-	 * if it hasnt been found already.
+	 * Find the start and end of the hole, using meminfo.
 	 */
-	if (memory_hole_start == 0 && memory_hole_end == 0) {
-		for (i = 0; i < (meminfo.nr_banks - 1); i++) {
-			if ((meminfo.bank[i].start + meminfo.bank[i].size) !=
+	for (i = 0; i < (meminfo.nr_banks - 1); i++) {
+		if ((meminfo.bank[i].start + meminfo.bank[i].size) !=
 						meminfo.bank[i+1].start) {
-				if (meminfo.bank[i].start + meminfo.bank[i].size
+			if (meminfo.bank[i].start + meminfo.bank[i].size
 							<= MAX_HOLE_ADDRESS) {
 
-					hole_start = meminfo.bank[i].start +
+				hole_start = meminfo.bank[i].start +
 							meminfo.bank[i].size;
-					hole_size = meminfo.bank[i+1].start -
+				hole_size = meminfo.bank[i+1].start -
 								hole_start;
 
-					if (memory_hole_start == 0 &&
+				if (memory_hole_start == 0 &&
 							memory_hole_end == 0) {
-						memory_hole_start = hole_start;
-						memory_hole_end = hole_start +
+					memory_hole_start = hole_start;
+					memory_hole_end = hole_start +
 								hole_size;
-					} else if ((memory_hole_end -
+				} else if ((memory_hole_end -
 					memory_hole_start) <= hole_size) {
-						memory_hole_start = hole_start;
-						memory_hole_end = hole_start +
+					memory_hole_start = hole_start;
+					memory_hole_end = hole_start +
 								hole_size;
-					}
 				}
 			}
 		}
diff --git a/drivers/crypto/msm/qcedev.c b/drivers/crypto/msm/qcedev.c
index 9870648..a18fb8b 100644
--- a/drivers/crypto/msm/qcedev.c
+++ b/drivers/crypto/msm/qcedev.c
@@ -1943,13 +1943,11 @@
 		podev->platform_support.bus_scale_table = NULL;
 		podev->platform_support.sha_hmac = 1;
 
-		if (podev->ce_support.is_shared == false) {
-			podev->platform_support.bus_scale_table =
-				(struct msm_bus_scale_pdata *)
-						msm_bus_cl_get_pdata(pdev);
-			if (!podev->platform_support.bus_scale_table)
-				pr_err("bus_scale_table is NULL\n");
-		}
+		podev->platform_support.bus_scale_table =
+			(struct msm_bus_scale_pdata *)
+					msm_bus_cl_get_pdata(pdev);
+		if (!podev->platform_support.bus_scale_table)
+			pr_err("bus_scale_table is NULL\n");
 	} else {
 		platform_support =
 			(struct msm_ce_hw_support *)pdev->dev.platform_data;
diff --git a/drivers/crypto/msm/qcrypto.c b/drivers/crypto/msm/qcrypto.c
index a4bb2f1..375516b 100644
--- a/drivers/crypto/msm/qcrypto.c
+++ b/drivers/crypto/msm/qcrypto.c
@@ -3393,13 +3393,11 @@
 		cp->platform_support.bus_scale_table =	NULL;
 		cp->platform_support.sha_hmac = 1;
 
-		if (cp->ce_support.is_shared == false) {
-			cp->platform_support.bus_scale_table =
-				(struct msm_bus_scale_pdata *)
-						msm_bus_cl_get_pdata(pdev);
-			if (!cp->platform_support.bus_scale_table)
-				pr_warn("bus_scale_table is NULL\n");
-		}
+		cp->platform_support.bus_scale_table =
+			(struct msm_bus_scale_pdata *)
+					msm_bus_cl_get_pdata(pdev);
+		if (!cp->platform_support.bus_scale_table)
+			pr_warn("bus_scale_table is NULL\n");
 	} else {
 		platform_support =
 			(struct msm_ce_hw_support *)pdev->dev.platform_data;
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index a77dacb..b96349e 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -37,6 +37,7 @@
 #include <linux/of_gpio.h>
 #include <mach/board.h>
 #include <mach/gpiomux.h>
+#include <mach/msm_bus_board.h>
 
 MODULE_LICENSE("GPL v2");
 MODULE_VERSION("0.2");
@@ -142,6 +143,22 @@
 	.pull = GPIOMUX_PULL_NONE,
 };
 
+/**
+ * qup_i2c_clk_path_vote: data to use bus scaling driver for clock path vote
+ *
+ * @client_hdl when zero, client is not registered with the bus scaling driver,
+ *      and bus scaling functionality should not be used. When non zero, it
+ *      is a bus scaling client id and may be used to vote for clock path.
+ * @reg_err when true, registration error was detected and an error message was
+ *      logged. i2c will attempt to re-register but will log error only once.
+ *      once registration succeed, the flag is set to false.
+ */
+struct qup_i2c_clk_path_vote {
+	u32                         client_hdl;
+	struct msm_bus_scale_pdata *pdata;
+	bool                        reg_err;
+};
+
 struct qup_i2c_dev {
 	struct device                *dev;
 	void __iomem                 *base;		/* virtual */
@@ -172,6 +189,7 @@
 	struct mutex                 mlock;
 	void                         *complete;
 	int                          i2c_gpios[ARRAY_SIZE(i2c_rsrcs)];
+	struct qup_i2c_clk_path_vote clk_path_vote;
 };
 
 #ifdef DEBUG
@@ -333,11 +351,160 @@
 	mb();
 }
 
+#define MSM_I2C_CLK_PATH_SUSPEND (0)
+#define MSM_I2C_CLK_PATH_RESUME  (1)
+#define MSM_I2C_CLK_PATH_MAX_BW(dev) ((dev->pdata->src_clk_rate * 8) / 1000)
+
+static int i2c_qup_clk_path_init(struct platform_device *pdev,
+							struct qup_i2c_dev *dev)
+{
+	struct msm_bus_vectors *paths    = NULL;
+	struct msm_bus_paths   *usecases = NULL;
+
+	if (!dev->pdata->master_id)
+		return 0;
+
+	dev_dbg(&pdev->dev, "initialises bus-scaling clock voting");
+
+	paths = devm_kzalloc(&pdev->dev, sizeof(*paths) * 2, GFP_KERNEL);
+	if (!paths) {
+		dev_err(&pdev->dev,
+		"msm_bus_paths.paths memory allocation failed");
+		return -ENOMEM;
+	}
+
+	usecases = devm_kzalloc(&pdev->dev, sizeof(*usecases) * 2, GFP_KERNEL);
+	if (!usecases) {
+		dev_err(&pdev->dev,
+		"msm_bus_scale_pdata.usecases memory allocation failed");
+		goto path_init_err;
+	}
+
+	dev->clk_path_vote.pdata = devm_kzalloc(&pdev->dev,
+					    sizeof(*dev->clk_path_vote.pdata),
+					    GFP_KERNEL);
+	if (!dev->clk_path_vote.pdata) {
+		dev_err(&pdev->dev,
+		"msm_bus_scale_pdata memory allocation failed");
+		goto path_init_err;
+	}
+
+	paths[MSM_I2C_CLK_PATH_SUSPEND] = (struct msm_bus_vectors) {
+		dev->pdata->master_id, MSM_BUS_SLAVE_EBI_CH0, 0, 0
+	};
+
+	paths[MSM_I2C_CLK_PATH_RESUME]  = (struct msm_bus_vectors) {
+		dev->pdata->master_id, MSM_BUS_SLAVE_EBI_CH0, 0,
+						MSM_I2C_CLK_PATH_MAX_BW(dev)
+	};
+
+	usecases[MSM_I2C_CLK_PATH_SUSPEND] = (struct msm_bus_paths) {
+		.num_paths = 1,
+		.vectors   = &paths[MSM_I2C_CLK_PATH_SUSPEND],
+	};
+
+	usecases[MSM_I2C_CLK_PATH_RESUME] = (struct msm_bus_paths) {
+		.num_paths = 1,
+		.vectors   = &paths[MSM_I2C_CLK_PATH_RESUME],
+	};
+
+	*dev->clk_path_vote.pdata = (struct msm_bus_scale_pdata) {
+		.active_only  = dev->pdata->active_only,
+		.name         = pdev->name,
+		.num_usecases = 2,
+		.usecase      = usecases,
+	};
+
+	return 0;
+
+path_init_err:
+	devm_kfree(&pdev->dev, paths);
+	devm_kfree(&pdev->dev, usecases);
+	devm_kfree(&pdev->dev, dev->clk_path_vote.pdata);
+	dev->clk_path_vote.pdata = NULL;
+	return -ENOMEM;
+}
+
+static void i2c_qup_clk_path_teardown(struct qup_i2c_dev *dev)
+{
+	if (dev->clk_path_vote.client_hdl) {
+		msm_bus_scale_unregister_client(dev->clk_path_vote.client_hdl);
+		dev->clk_path_vote.client_hdl = 0;
+	}
+}
+
+static void i2c_qup_clk_path_vote(struct qup_i2c_dev *dev)
+{
+	if (dev->clk_path_vote.client_hdl)
+		msm_bus_scale_client_update_request(
+						dev->clk_path_vote.client_hdl,
+						MSM_I2C_CLK_PATH_RESUME);
+}
+
+static void i2c_qup_clk_path_unvote(struct qup_i2c_dev *dev)
+{
+	if (dev->clk_path_vote.client_hdl)
+		msm_bus_scale_client_update_request(
+						dev->clk_path_vote.client_hdl,
+						MSM_I2C_CLK_PATH_SUSPEND);
+}
+
+/**
+ * i2c_qup_clk_path_postponed_register: reg with bus-scaling after it is probed
+ *
+ * Workaround: i2c driver may be probed before the bus scaling driver. Thus,
+ * this function should be called not from probe but from a later context.
+ * This function may be called more then once before register succeed. At
+ * this case only one error message will be logged. At boot time all clocks
+ * are on, so earlier i2c transactions should succeed.
+ */
+static void i2c_qup_clk_path_postponed_register(struct qup_i2c_dev *dev)
+{
+	/*
+	 * bail out if path voting is diabled (master_id == 0) or if it is
+	 * already registered (client_hdl != 0)
+	 */
+	if (!dev->pdata->master_id || dev->clk_path_vote.client_hdl)
+		return;
+
+	dev->clk_path_vote.client_hdl = msm_bus_scale_register_client(
+						dev->clk_path_vote.pdata);
+
+	if (dev->clk_path_vote.client_hdl) {
+		if (dev->clk_path_vote.reg_err) {
+			/* log a success message if an error msg was logged */
+			dev->clk_path_vote.reg_err = false;
+			dev_info(dev->dev,
+				"msm_bus_scale_register_client(mstr-id:%d "
+				"actv-only:%d):0x%x",
+				dev->pdata->master_id, dev->pdata->active_only,
+				dev->clk_path_vote.client_hdl);
+		}
+
+		if (dev->pdata->active_only)
+			i2c_qup_clk_path_vote(dev);
+	} else {
+		/* guard to log only one error on multiple failure */
+		if (!dev->clk_path_vote.reg_err) {
+			dev->clk_path_vote.reg_err = true;
+
+			dev_info(dev->dev,
+				"msm_bus_scale_register_client(mstr-id:%d "
+				"actv-only:%d):0",
+				dev->pdata->master_id, dev->pdata->active_only);
+		}
+	}
+}
+
 static void
 qup_i2c_pwr_mgmt(struct qup_i2c_dev *dev, unsigned int state)
 {
 	dev->pwr_state = state;
 	if (state != 0) {
+		i2c_qup_clk_path_postponed_register(dev);
+		if (!dev->pdata->active_only)
+			i2c_qup_clk_path_vote(dev);
+
 		clk_prepare_enable(dev->clk);
 		if (!dev->pdata->keep_ahb_clk_on)
 			clk_prepare_enable(dev->pclk);
@@ -347,6 +514,8 @@
 		qup_config_core_on_en(dev);
 		if (!dev->pdata->keep_ahb_clk_on)
 			clk_disable_unprepare(dev->pclk);
+		if (!dev->pdata->active_only)
+			i2c_qup_clk_path_unvote(dev);
 	}
 }
 
@@ -1099,11 +1268,12 @@
 enum msm_i2c_dt_entry_type {
 	DT_U32,
 	DT_GPIO,
+	DT_BOOL,
 };
 
 struct msm_i2c_dt_to_pdata_map {
 	const char                  *dt_name;
-	int                         *ptr_data;
+	void                        *ptr_data;
 	enum msm_i2c_dt_entry_status status;
 	enum msm_i2c_dt_entry_type   type;
 	int                          default_val;
@@ -1119,28 +1289,42 @@
 	{"qcom,i2c-bus-freq", &pdata->clk_freq    , DT_REQUIRED , DT_U32 ,  0},
 	{"cell-index"       , &pdev->id           , DT_REQUIRED , DT_U32 , -1},
 	{"qcom,i2c-src-freq", &pdata->src_clk_rate, DT_SUGGESTED, DT_U32,   0},
+	{"qcom,master-id"   , &pdata->master_id   , DT_SUGGESTED, DT_U32,   0},
 	{"qcom,scl-gpio"    , gpios               , DT_OPTIONAL , DT_GPIO, -1},
 	{"qcom,sda-gpio"    , gpios + 1           , DT_OPTIONAL , DT_GPIO, -1},
+	{"qcom,active-only" , &pdata->active_only , DT_OPTIONAL , DT_BOOL,  0},
 	{NULL               , NULL                , 0           , 0      ,  0},
 	};
 
 	for (itr = map; itr->dt_name ; ++itr) {
-		if (itr->type == DT_GPIO) {
+		switch (itr->type) {
+		case DT_GPIO:
 			ret = of_get_named_gpio(node, itr->dt_name, 0);
 			if (ret >= 0) {
-				*itr->ptr_data = ret;
+				*((int *) itr->ptr_data) = ret;
 				ret = 0;
 			}
-		} else {
+			break;
+		case DT_U32:
 			ret = of_property_read_u32(node, itr->dt_name,
-								itr->ptr_data);
+							 (u32 *) itr->ptr_data);
+			break;
+		case DT_BOOL:
+			*((bool *) itr->ptr_data) =
+				of_property_read_bool(node, itr->dt_name);
+			ret = 0;
+			break;
+		default:
+			dev_err(&pdev->dev, "%d is an unknown DT entry type\n",
+								itr->type);
+			ret = -EBADE;
 		}
 
 		dev_dbg(&pdev->dev, "DT entry ret:%d name:%s val:%d\n",
-					ret, itr->dt_name, *itr->ptr_data);
+				ret, itr->dt_name, *((int *)itr->ptr_data));
 
 		if (ret) {
-			*itr->ptr_data = itr->default_val;
+			*((int *)itr->ptr_data) = itr->default_val;
 
 			if (itr->status < DT_OPTIONAL) {
 				dev_err(&pdev->dev, "Missing '%s' DT entry\n",
@@ -1326,6 +1510,14 @@
 	dev->clk_ctl = 0;
 	dev->pos = 0;
 
+	ret = i2c_qup_clk_path_init(pdev, dev);
+	if (ret) {
+		dev_err(&pdev->dev,
+		"Failed to init clock path-voting data structs. err:%d", ret);
+		/* disable i2c_qup_clk_path_xxx() functionality */
+		dev->pdata->master_id = 0;
+	}
+
 	if (dev->pdata->src_clk_rate <= 0) {
 		dev_info(&pdev->dev,
 			"No src_clk_rate specified in platfrom data\n");
@@ -1443,6 +1635,7 @@
 err_reset_failed:
 	clk_disable_unprepare(dev->clk);
 	clk_disable_unprepare(dev->pclk);
+	i2c_qup_clk_path_teardown(dev);
 err_gsbi_failed:
 	iounmap(dev->base);
 err_ioremap_failed:
@@ -1488,6 +1681,11 @@
 		clk_put(dev->pclk);
 	}
 	clk_put(dev->clk);
+
+	if (dev->pdata->active_only)
+		i2c_qup_clk_path_unvote(dev);
+	i2c_qup_clk_path_teardown(dev);
+
 	if (dev->gsbi)
 		iounmap(dev->gsbi);
 	iounmap(dev->base);
diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c
index 9bc77be..0a2906c 100644
--- a/drivers/misc/qseecom.c
+++ b/drivers/misc/qseecom.c
@@ -45,7 +45,6 @@
 #include "qseecom_kernel.h"
 
 #define QSEECOM_DEV			"qseecom"
-#define QSEOS_VERSION_13		0x13
 #define QSEOS_VERSION_14		0x14
 #define QSEEE_VERSION_00		0x400000
 #define QSEE_VERSION_01			0x401000
@@ -90,11 +89,6 @@
 static dev_t qseecom_device_no;
 static struct cdev qseecom_cdev;
 
-/* Data structures used in legacy support */
-static void *pil;
-static uint32_t pil_ref_cnt;
-static DEFINE_MUTEX(pil_access_lock);
-
 static DEFINE_MUTEX(qsee_bw_mutex);
 static DEFINE_MUTEX(app_access_lock);
 static DEFINE_MUTEX(clk_access_lock);
@@ -3023,10 +3017,10 @@
 		}
 		qseecom.qseos_version = QSEOS_VERSION_14;
 	} else {
-		qseecom.qseos_version = QSEOS_VERSION_13;
-		qseecom.qsee_version = 0;
-		pil = NULL;
-		pil_ref_cnt = 0;
+		pr_err("QSEE legacy version is not supported:");
+		pr_err("Support for TZ1.3 and earlier is deprecated\n");
+		rc = -EINVAL;
+		goto err;
 	}
 	qseecom.commonlib_loaded = false;
 	qseecom.pdev = class_dev;
diff --git a/drivers/platform/msm/ipa/a2_service.c b/drivers/platform/msm/ipa/a2_service.c
index fa71efc..0d77741 100644
--- a/drivers/platform/msm/ipa/a2_service.c
+++ b/drivers/platform/msm/ipa/a2_service.c
@@ -536,6 +536,8 @@
 				__func__);
 		return -EFAULT;
 	}
+	if (sps_ctrl_bam_dma_clk(true))
+		WARN_ON(1);
 	memset(&connect_params, 0, sizeof(struct ipa_sys_connect_params));
 	connect_params.client = IPA_CLIENT_A2_TETHERED_CONS;
 	connect_params.notify = ipa_tethered_notify;
@@ -606,6 +608,8 @@
 	ipa_bridge_teardown(IPA_BRIDGE_DIR_UL, IPA_BRIDGE_TYPE_TETHERED,
 			a2_mux_ctx->tethered_prod);
 bridge_tethered_ul_failed:
+	if (sps_ctrl_bam_dma_clk(false))
+		WARN_ON(1);
 	return ret;
 }
 
@@ -647,6 +651,8 @@
 				__func__, ret);
 		return ret;
 	}
+	if (sps_ctrl_bam_dma_clk(false))
+		WARN_ON(1);
 	verify_tx_queue_is_empty(__func__);
 	(void) ipa_rm_release_resource(IPA_RM_RESOURCE_A2_PROD);
 	if (a2_mux_ctx->disconnect_ack)
diff --git a/drivers/platform/msm/qpnp-power-on.c b/drivers/platform/msm/qpnp-power-on.c
index a85e31c..9e3bab3 100644
--- a/drivers/platform/msm/qpnp-power-on.c
+++ b/drivers/platform/msm/qpnp-power-on.c
@@ -23,6 +23,9 @@
 #include <linux/input.h>
 #include <linux/log2.h>
 
+/* Common PNP defines */
+#define QPNP_PON_REVISION2(base)		(base + 0x01)
+
 /* PON common register addresses */
 #define QPNP_PON_RT_STS(base)			(base + 0x10)
 #define QPNP_PON_PULL_CTL(base)			(base + 0x70)
@@ -38,6 +41,7 @@
 #define QPNP_PON_RESIN_S2_TIMER(base)		(base + 0x45)
 #define QPNP_PON_RESIN_S2_CNTL(base)		(base + 0x46)
 #define QPNP_PON_PS_HOLD_RST_CTL(base)		(base + 0x5A)
+#define QPNP_PON_PS_HOLD_RST_CTL2(base)		(base + 0x5B)
 
 #define QPNP_PON_WARM_RESET_TFT			BIT(4)
 
@@ -140,17 +144,31 @@
 int qpnp_pon_system_pwr_off(bool reset)
 {
 	int rc;
+	u8 reg;
+	u16 rst_en_reg;
 	struct qpnp_pon *pon = sys_reset_dev;
 
 	if (!pon)
 		return -ENODEV;
 
-	rc = qpnp_pon_masked_write(pon, QPNP_PON_PS_HOLD_RST_CTL(pon->base),
-							QPNP_PON_RESET_EN, 0);
+	rc = spmi_ext_register_readl(pon->spmi->ctrl, pon->spmi->sid,
+			QPNP_PON_REVISION2(pon->base), &reg, 1);
+	if (rc) {
+		dev_err(&pon->spmi->dev,
+			"Unable to read addr=%x, rc(%d)\n",
+			QPNP_PON_REVISION2(pon->base), rc);
+		return rc;
+	}
+
+	if (reg == 0x00)
+		rst_en_reg = QPNP_PON_PS_HOLD_RST_CTL(pon->base);
+	else
+		rst_en_reg = QPNP_PON_PS_HOLD_RST_CTL2(pon->base);
+
+	rc = qpnp_pon_masked_write(pon, rst_en_reg, QPNP_PON_RESET_EN, 0);
 	if (rc)
 		dev_err(&pon->spmi->dev,
-			"Unable to write to addr=%x, rc(%d)\n",
-				QPNP_PON_PS_HOLD_RST_CTL(pon->base), rc);
+			"Unable to write to addr=%x, rc(%d)\n", rst_en_reg, rc);
 
 	/*
 	 * We need 10 sleep clock cycles here. But since the clock is
@@ -167,13 +185,11 @@
 			"Unable to write to addr=%x, rc(%d)\n",
 				QPNP_PON_PS_HOLD_RST_CTL(pon->base), rc);
 
-	rc = qpnp_pon_masked_write(pon, QPNP_PON_PS_HOLD_RST_CTL(pon->base),
-							QPNP_PON_RESET_EN,
-							QPNP_PON_RESET_EN);
+	rc = qpnp_pon_masked_write(pon, rst_en_reg, QPNP_PON_RESET_EN,
+						    QPNP_PON_RESET_EN);
 	if (rc)
 		dev_err(&pon->spmi->dev,
-			"Unable to write to addr=%x, rc(%d)\n",
-				QPNP_PON_PS_HOLD_RST_CTL(pon->base), rc);
+			"Unable to write to addr=%x, rc(%d)\n", rst_en_reg, rc);
 
 	return rc;
 }
diff --git a/drivers/platform/msm/sps/sps.c b/drivers/platform/msm/sps/sps.c
index 81d80e6..2e77114 100644
--- a/drivers/platform/msm/sps/sps.c
+++ b/drivers/platform/msm/sps/sps.c
@@ -1985,6 +1985,35 @@
 EXPORT_SYMBOL(sps_get_unused_desc_num);
 
 /**
+ * Vote for or relinquish BAM DMA clock
+ *
+ */
+int sps_ctrl_bam_dma_clk(bool clk_on)
+{
+	int ret;
+
+	SPS_DBG("sps:%s.", __func__);
+
+	if (!sps->is_ready)
+		return -EPROBE_DEFER;
+
+	if (clk_on == true) {
+		SPS_DBG("sps:vote for bam dma clk.\n");
+		ret = clk_prepare_enable(sps->bamdma_clk);
+		if (ret) {
+			SPS_ERR("sps:fail to enable bamdma_clk:ret=%d\n", ret);
+			return ret;
+		}
+	} else {
+		SPS_DBG("sps:relinquish bam dma clk.\n");
+		clk_disable_unprepare(sps->bamdma_clk);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(sps_ctrl_bam_dma_clk);
+
+/**
  * Register a BAM device
  *
  */
@@ -2525,11 +2554,13 @@
 		SPS_ERR("sps:sps_device_init err.");
 #ifdef CONFIG_SPS_SUPPORT_BAMDMA
 		clk_disable_unprepare(sps->dfab_clk);
+		clk_disable_unprepare(sps->bamdma_clk);
 #endif
 		goto sps_device_init_err;
 	}
 #ifdef CONFIG_SPS_SUPPORT_BAMDMA
 	clk_disable_unprepare(sps->dfab_clk);
+	clk_disable_unprepare(sps->bamdma_clk);
 #endif
 	sps->is_ready = true;
 
diff --git a/drivers/power/qpnp-charger.c b/drivers/power/qpnp-charger.c
index 24825ea..a5da421 100644
--- a/drivers/power/qpnp-charger.c
+++ b/drivers/power/qpnp-charger.c
@@ -25,6 +25,9 @@
 #include <linux/power_supply.h>
 #include <linux/bitops.h>
 #include <linux/ratelimit.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/regulator/machine.h>
 
 /* Interrupt offsets */
 #define INT_RT_STS(base)			(base + 0x10)
@@ -92,8 +95,12 @@
 #define SEC_ACCESS				0xD0
 #define BAT_IF_VREF_BAT_THM_CTRL		0x4A
 #define BAT_IF_BPD_CTRL				0x48
+#define BOOST_VSET				0x41
+#define BOOST_ENABLE_CONTROL			0x46
+#define COMP_OVR1				0xEA
 
 #define REG_OFFSET_PERP_SUBTYPE			0x05
+
 /* SMBB peripheral subtype values */
 #define SMBB_CHGR_SUBTYPE			0x01
 #define SMBB_BUCK_SUBTYPE			0x02
@@ -132,6 +139,7 @@
 #define REV_BST_DETECTED		BIT(0)
 #define BAT_THM_EN			BIT(1)
 #define BAT_ID_EN			BIT(0)
+#define BOOST_PWR_EN			BIT(7)
 
 /* Interrupt definitions */
 /* smbb_chg_interrupts */
@@ -183,12 +191,18 @@
 
 /* Workaround flags */
 #define CHG_FLAGS_VCP_WA		BIT(0)
+#define BOOST_FLASH_WA			BIT(1)
 
 struct qpnp_chg_irq {
 	unsigned int		irq;
 	unsigned long		disabled;
 };
 
+struct qpnp_chg_regulator {
+	struct regulator_desc			rdesc;
+	struct regulator_dev			*rdev;
+};
+
 /**
  * struct qpnp_chg_chip - device information
  * @dev:			device pointer to access the parent
@@ -263,6 +277,7 @@
 	bool				batt_present;
 	bool				charging_disabled;
 	bool				use_default_batt_values;
+	bool				duty_cycle_100p;
 	unsigned int			bpd_detection;
 	unsigned int			max_bat_chg_current;
 	unsigned int			warm_bat_chg_ma;
@@ -295,6 +310,8 @@
 	struct delayed_work		arb_stop_work;
 	struct delayed_work		eoc_work;
 	struct wake_lock		eoc_wake_lock;
+	struct qpnp_chg_regulator	otg_vreg;
+	struct qpnp_chg_regulator	boost_vreg;
 };
 
 
@@ -425,6 +442,25 @@
 }
 
 static int
+qpnp_chg_is_boost_en_set(struct qpnp_chg_chip *chip)
+{
+	u8 boost_en_ctl;
+	int rc;
+
+	rc = qpnp_chg_read(chip, &boost_en_ctl,
+		chip->boost_base + BOOST_ENABLE_CONTROL, 1);
+	if (rc) {
+		pr_err("spmi read failed: addr=%03X, rc=%d\n",
+				chip->boost_base + BOOST_ENABLE_CONTROL, rc);
+		return rc;
+	}
+
+	pr_debug("boost en 0x%x\n", boost_en_ctl);
+
+	return (boost_en_ctl & BOOST_PWR_EN) ? 1 : 0;
+}
+
+static int
 qpnp_chg_is_batt_present(struct qpnp_chg_chip *chip)
 {
 	u8 batt_pres_rt_sts;
@@ -610,6 +646,32 @@
 			disable ? CHGR_ON_BAT_FORCE_BIT : 0, 1);
 }
 
+#define BUCK_DUTY_MASK_100P	0x30
+static int
+qpnp_buck_set_100_duty_cycle_enable(struct qpnp_chg_chip *chip, int enable)
+{
+	int rc;
+
+	pr_debug("enable: %d\n", enable);
+
+	rc = qpnp_chg_masked_write(chip,
+		chip->buck_base + SEC_ACCESS, 0xA5, 0xA5, 1);
+	if (rc) {
+		pr_debug("failed to write sec access rc=%d\n", rc);
+		return rc;
+	}
+
+	rc = qpnp_chg_masked_write(chip,
+		chip->buck_base + BUCK_TEST_SMBC_MODES,
+			BUCK_DUTY_MASK_100P, enable ? 0x00 : 0x10, 1);
+	if (rc) {
+		pr_debug("failed enable 100p duty cycle rc=%d\n", rc);
+		return rc;
+	}
+
+	return rc;
+}
+
 #define COMPATATOR_OVERRIDE_0	0x80
 static int
 qpnp_chg_toggle_chg_done_logic(struct qpnp_chg_chip *chip, int enable)
@@ -1215,21 +1277,6 @@
 		chip->bms_psy = power_supply_get_by_name("bms");
 
 	chip->usb_psy->get_property(chip->usb_psy,
-			  POWER_SUPPLY_PROP_SCOPE, &ret);
-	if (ret.intval) {
-		if ((ret.intval == POWER_SUPPLY_SCOPE_SYSTEM)
-				&& !qpnp_chg_is_otg_en_set(chip)) {
-			switch_usb_to_host_mode(chip);
-			return;
-		}
-		if ((ret.intval == POWER_SUPPLY_SCOPE_DEVICE)
-				&& qpnp_chg_is_otg_en_set(chip)) {
-			switch_usb_to_charge_mode(chip);
-			return;
-		}
-	}
-
-	chip->usb_psy->get_property(chip->usb_psy,
 			  POWER_SUPPLY_PROP_ONLINE, &ret);
 
 	/* Only honour requests while USB is present */
@@ -1457,6 +1504,48 @@
 	return qpnp_chg_write(chip, &temp, chip->chgr_base + CHGR_VDD_MAX, 1);
 }
 
+#define BOOST_MIN_UV	4200000
+#define BOOST_MAX_UV	5500000
+#define BOOST_STEP_UV	50000
+#define BOOST_MIN	16
+#define N_BOOST_V	((BOOST_MAX_UV - BOOST_MIN_UV) / BOOST_STEP_UV + 1)
+static int
+qpnp_boost_vset(struct qpnp_chg_chip *chip, int voltage)
+{
+	u8 reg = 0;
+
+	if (voltage < BOOST_MIN_UV || voltage > BOOST_MAX_UV) {
+		pr_err("invalid voltage requested %d uV\n", voltage);
+		return -EINVAL;
+	}
+
+	reg = DIV_ROUND_UP(voltage - BOOST_MIN_UV, BOOST_STEP_UV) + BOOST_MIN;
+
+	pr_debug("voltage=%d setting %02x\n", voltage, reg);
+	return qpnp_chg_write(chip, &reg, chip->boost_base + BOOST_VSET, 1);
+}
+
+static int
+qpnp_boost_vget_uv(struct qpnp_chg_chip *chip)
+{
+	int rc;
+	u8 boost_reg;
+
+	rc = qpnp_chg_read(chip, &boost_reg,
+		 chip->boost_base + BOOST_VSET, 1);
+	if (rc) {
+		pr_err("failed to read BOOST_VSET rc=%d\n", rc);
+		return rc;
+	}
+
+	if (boost_reg < BOOST_MIN) {
+		pr_err("Invalid reading from 0x%x\n", boost_reg);
+		return -EINVAL;
+	}
+
+	return BOOST_MIN_UV + ((boost_reg - BOOST_MIN) * BOOST_STEP_UV);
+}
+
 /* JEITA compliance logic */
 static void
 qpnp_chg_set_appropriate_vddmax(struct qpnp_chg_chip *chip)
@@ -1519,6 +1608,228 @@
 	}
 }
 
+/* OTG regulator operations */
+static int
+qpnp_chg_regulator_otg_enable(struct regulator_dev *rdev)
+{
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+
+	return switch_usb_to_host_mode(chip);
+}
+
+static int
+qpnp_chg_regulator_otg_disable(struct regulator_dev *rdev)
+{
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+
+	return switch_usb_to_charge_mode(chip);
+}
+
+static int
+qpnp_chg_regulator_otg_is_enabled(struct regulator_dev *rdev)
+{
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+
+	return qpnp_chg_is_otg_en_set(chip);
+}
+
+static int
+qpnp_chg_regulator_boost_enable(struct regulator_dev *rdev)
+{
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+	int rc;
+
+	if (qpnp_chg_is_usb_chg_plugged_in(chip) &&
+			(chip->flags & BOOST_FLASH_WA)) {
+		qpnp_chg_usb_suspend_enable(chip, 1);
+
+		rc = qpnp_chg_masked_write(chip,
+			chip->usb_chgpth_base + SEC_ACCESS,
+			0xFF,
+			0xA5, 1);
+		if (rc) {
+			pr_err("failed to write SEC_ACCESS rc=%d\n", rc);
+			return rc;
+		}
+
+		rc = qpnp_chg_masked_write(chip,
+			chip->usb_chgpth_base + COMP_OVR1,
+			0xFF,
+			0x2F, 1);
+		if (rc) {
+			pr_err("failed to write COMP_OVR1 rc=%d\n", rc);
+			return rc;
+		}
+	}
+
+	return qpnp_chg_masked_write(chip,
+		chip->boost_base + BOOST_ENABLE_CONTROL,
+		BOOST_PWR_EN,
+		BOOST_PWR_EN, 1);
+}
+
+/* Boost regulator operations */
+#define ABOVE_VBAT_WEAK		BIT(1)
+static int
+qpnp_chg_regulator_boost_disable(struct regulator_dev *rdev)
+{
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+	int rc;
+	u8 vbat_sts;
+
+	rc = qpnp_chg_masked_write(chip,
+		chip->boost_base + BOOST_ENABLE_CONTROL,
+		BOOST_PWR_EN,
+		0, 1);
+	if (rc) {
+		pr_err("failed to disable boost rc=%d\n", rc);
+		return rc;
+	}
+
+	rc = qpnp_chg_read(chip, &vbat_sts,
+			chip->chgr_base + CHGR_VBAT_STATUS, 1);
+	if (rc) {
+		pr_err("failed to read bat sts rc=%d\n", rc);
+		return rc;
+	}
+
+	if (!(vbat_sts & ABOVE_VBAT_WEAK) && (chip->flags & BOOST_FLASH_WA)) {
+		rc = qpnp_chg_masked_write(chip,
+			chip->chgr_base + SEC_ACCESS,
+			0xFF,
+			0xA5, 1);
+		if (rc) {
+			pr_err("failed to write SEC_ACCESS rc=%d\n", rc);
+			return rc;
+		}
+
+		rc = qpnp_chg_masked_write(chip,
+			chip->chgr_base + COMP_OVR1,
+			0xFF,
+			0x20, 1);
+		if (rc) {
+			pr_err("failed to write COMP_OVR1 rc=%d\n", rc);
+			return rc;
+		}
+
+		usleep(2000);
+
+		rc = qpnp_chg_masked_write(chip,
+			chip->chgr_base + SEC_ACCESS,
+			0xFF,
+			0xA5, 1);
+		if (rc) {
+			pr_err("failed to write SEC_ACCESS rc=%d\n", rc);
+			return rc;
+		}
+
+		rc = qpnp_chg_masked_write(chip,
+			chip->chgr_base + COMP_OVR1,
+			0xFF,
+			0x00, 1);
+		if (rc) {
+			pr_err("failed to write COMP_OVR1 rc=%d\n", rc);
+			return rc;
+		}
+	}
+
+	if (qpnp_chg_is_usb_chg_plugged_in(chip)
+			&& (chip->flags & BOOST_FLASH_WA)) {
+		rc = qpnp_chg_masked_write(chip,
+			chip->usb_chgpth_base + SEC_ACCESS,
+			0xFF,
+			0xA5, 1);
+		if (rc) {
+			pr_err("failed to write SEC_ACCESS rc=%d\n", rc);
+			return rc;
+		}
+
+		rc = qpnp_chg_masked_write(chip,
+			chip->usb_chgpth_base + COMP_OVR1,
+			0xFF,
+			0x00, 1);
+		if (rc) {
+			pr_err("failed to write COMP_OVR1 rc=%d\n", rc);
+			return rc;
+		}
+
+		usleep(1000);
+
+		qpnp_chg_usb_suspend_enable(chip, 0);
+	}
+
+	return rc;
+}
+
+static int
+qpnp_chg_regulator_boost_is_enabled(struct regulator_dev *rdev)
+{
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+
+	return qpnp_chg_is_boost_en_set(chip);
+}
+
+static int
+qpnp_chg_regulator_boost_set_voltage(struct regulator_dev *rdev,
+		int min_uV, int max_uV, unsigned *selector)
+{
+	int uV = min_uV;
+	int rc;
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+
+	if (uV < BOOST_MIN_UV && max_uV >= BOOST_MIN_UV)
+		uV = BOOST_MIN_UV;
+
+
+	if (uV < BOOST_MIN_UV || uV > BOOST_MAX_UV) {
+		pr_err("request %d uV is out of bounds\n", uV);
+		return -EINVAL;
+	}
+
+	*selector = DIV_ROUND_UP(uV - BOOST_MIN_UV, BOOST_STEP_UV);
+	if ((*selector * BOOST_STEP_UV + BOOST_MIN_UV) > max_uV) {
+		pr_err("no available setpoint [%d, %d] uV\n", min_uV, max_uV);
+		return -EINVAL;
+	}
+
+	rc = qpnp_boost_vset(chip, uV);
+
+	return rc;
+}
+
+static int
+qpnp_chg_regulator_boost_get_voltage(struct regulator_dev *rdev)
+{
+	struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev);
+
+	return qpnp_boost_vget_uv(chip);
+}
+
+static int
+qpnp_chg_regulator_boost_list_voltage(struct regulator_dev *rdev,
+			unsigned selector)
+{
+	if (selector >= N_BOOST_V)
+		return 0;
+
+	return BOOST_MIN_UV + (selector * BOOST_STEP_UV);
+}
+
+static struct regulator_ops qpnp_chg_otg_reg_ops = {
+	.enable			= qpnp_chg_regulator_otg_enable,
+	.disable		= qpnp_chg_regulator_otg_disable,
+	.is_enabled		= qpnp_chg_regulator_otg_is_enabled,
+};
+
+static struct regulator_ops qpnp_chg_boost_reg_ops = {
+	.enable			= qpnp_chg_regulator_boost_enable,
+	.disable		= qpnp_chg_regulator_boost_disable,
+	.is_enabled		= qpnp_chg_regulator_boost_is_enabled,
+	.set_voltage		= qpnp_chg_regulator_boost_set_voltage,
+	.get_voltage		= qpnp_chg_regulator_boost_get_voltage,
+	.list_voltage		= qpnp_chg_regulator_boost_list_voltage,
+};
+
 #define CONSECUTIVE_COUNT	3
 static void
 qpnp_eoc_work(struct work_struct *work)
@@ -1705,6 +2016,8 @@
 {
 	if (chip->revision > 0 && chip->type == SMBB)
 		chip->flags |= CHG_FLAGS_VCP_WA;
+	if (chip->type == SMBB)
+		chip->flags |= BOOST_FLASH_WA;
 }
 
 static int
@@ -1906,6 +2219,8 @@
 {
 	int rc = 0;
 	u8 reg = 0;
+	struct regulator_init_data *init_data;
+	struct regulator_desc *rdesc;
 
 	switch (subtype) {
 	case SMBB_CHGR_SUBTYPE:
@@ -2022,6 +2337,38 @@
 			}
 		}
 
+		init_data = of_get_regulator_init_data(chip->dev,
+						       spmi_resource->of_node);
+		if (!init_data) {
+			pr_err("unable to allocate memory\n");
+			return -ENOMEM;
+		}
+
+		if (init_data->constraints.name) {
+			if (of_get_property(chip->dev->of_node,
+						"otg-parent-supply", NULL))
+				init_data->supply_regulator = "otg-parent";
+
+			rdesc			= &(chip->otg_vreg.rdesc);
+			rdesc->owner		= THIS_MODULE;
+			rdesc->type		= REGULATOR_VOLTAGE;
+			rdesc->ops		= &qpnp_chg_otg_reg_ops;
+			rdesc->name		= init_data->constraints.name;
+
+			init_data->constraints.valid_ops_mask
+				|= REGULATOR_CHANGE_STATUS;
+
+			chip->otg_vreg.rdev = regulator_register(rdesc,
+					chip->dev, init_data, chip,
+					spmi_resource->of_node);
+			if (IS_ERR(chip->otg_vreg.rdev)) {
+				rc = PTR_ERR(chip->otg_vreg.rdev);
+				if (rc != -EPROBE_DEFER)
+					pr_err("OTG reg failed, rc=%d\n", rc);
+				return rc;
+			}
+		}
+
 		rc = qpnp_chg_masked_write(chip,
 			chip->usb_chgpth_base + USB_OVP_CTL,
 			USB_VALID_DEB_20MS,
@@ -2047,6 +2394,38 @@
 		break;
 	case SMBB_BOOST_SUBTYPE:
 	case SMBBP_BOOST_SUBTYPE:
+		init_data = of_get_regulator_init_data(chip->dev,
+					       spmi_resource->of_node);
+		if (!init_data) {
+			pr_err("unable to allocate memory\n");
+			return -ENOMEM;
+		}
+
+		if (init_data->constraints.name) {
+			if (of_get_property(chip->dev->of_node,
+						"boost-parent-supply", NULL))
+				init_data->supply_regulator = "boost-parent";
+
+			rdesc			= &(chip->boost_vreg.rdesc);
+			rdesc->owner		= THIS_MODULE;
+			rdesc->type		= REGULATOR_VOLTAGE;
+			rdesc->ops		= &qpnp_chg_boost_reg_ops;
+			rdesc->name		= init_data->constraints.name;
+
+			init_data->constraints.valid_ops_mask
+				|= REGULATOR_CHANGE_STATUS
+					| REGULATOR_CHANGE_VOLTAGE;
+
+			chip->boost_vreg.rdev = regulator_register(rdesc,
+					chip->dev, init_data, chip,
+					spmi_resource->of_node);
+			if (IS_ERR(chip->boost_vreg.rdev)) {
+				rc = PTR_ERR(chip->boost_vreg.rdev);
+				if (rc != -EPROBE_DEFER)
+					pr_err("boost reg failed, rc=%d\n", rc);
+				return rc;
+			}
+		}
 		break;
 	case SMBB_MISC_SUBTYPE:
 	case SMBBP_MISC_SUBTYPE:
@@ -2149,6 +2528,18 @@
 	chip->charging_disabled = of_property_read_bool(chip->spmi->dev.of_node,
 					"qcom,charging-disabled");
 
+	/* Get the duty-cycle-100p property */
+	chip->duty_cycle_100p = of_property_read_bool(
+					chip->spmi->dev.of_node,
+					"qcom,duty-cycle-100p");
+	if (chip->duty_cycle_100p) {
+		rc = qpnp_buck_set_100_duty_cycle_enable(chip, 1);
+		if (rc) {
+			pr_err("failed to enable duty cycle %d\n", rc);
+			return rc;
+		}
+	}
+
 	/* Get the fake-batt-values property */
 	chip->use_default_batt_values =
 			of_property_read_bool(chip->spmi->dev.of_node,
@@ -2298,7 +2689,8 @@
 			chip->usb_chgpth_base = resource->start;
 			rc = qpnp_chg_hwinit(chip, subtype, spmi_resource);
 			if (rc) {
-				pr_err("Failed to init subtype 0x%x rc=%d\n",
+				if (rc != -EPROBE_DEFER)
+					pr_err("Failed to init subtype 0x%x rc=%d\n",
 						subtype, rc);
 				goto fail_chg_enable;
 			}
@@ -2317,7 +2709,8 @@
 			chip->boost_base = resource->start;
 			rc = qpnp_chg_hwinit(chip, subtype, spmi_resource);
 			if (rc) {
-				pr_err("Failed to init subtype 0x%x rc=%d\n",
+				if (rc != -EPROBE_DEFER)
+					pr_err("Failed to init subtype 0x%x rc=%d\n",
 						subtype, rc);
 				goto fail_chg_enable;
 			}
@@ -2470,6 +2863,12 @@
 	cancel_work_sync(&chip->adc_measure_work);
 	cancel_delayed_work_sync(&chip->eoc_work);
 
+	if (chip->otg_vreg.rdev)
+		regulator_unregister(chip->otg_vreg.rdev);
+
+	if (chip->boost_vreg.rdev)
+		regulator_unregister(chip->boost_vreg.rdev);
+
 	dev_set_drvdata(&spmi->dev, NULL);
 	kfree(chip);
 
diff --git a/drivers/usb/gadget/f_qc_ecm.c b/drivers/usb/gadget/f_qc_ecm.c
index 5e68296..4f9cbf1 100644
--- a/drivers/usb/gadget/f_qc_ecm.c
+++ b/drivers/usb/gadget/f_qc_ecm.c
@@ -389,6 +389,7 @@
 		IPA_P_BAM : A2_P_BAM;
 
 	ecm_qc_bam_port.cdev = cdev;
+	ecm_qc_bam_port.func = &dev->port.func;
 	ecm_qc_bam_port.in = dev->port.in_ep;
 	ecm_qc_bam_port.out = dev->port.out_ep;
 
diff --git a/drivers/usb/gadget/f_qc_rndis.c b/drivers/usb/gadget/f_qc_rndis.c
index baea664..267cf53 100644
--- a/drivers/usb/gadget/f_qc_rndis.c
+++ b/drivers/usb/gadget/f_qc_rndis.c
@@ -426,6 +426,7 @@
 	struct usb_gadget *gadget = cdev->gadget;
 
 	dev->bam_port.cdev = cdev;
+	dev->bam_port.func = &dev->port.func;
 	dev->bam_port.in = dev->port.in_ep;
 	dev->bam_port.out = dev->port.out_ep;
 
diff --git a/drivers/usb/gadget/u_bam_data.c b/drivers/usb/gadget/u_bam_data.c
index 081a09c..c638164 100644
--- a/drivers/usb/gadget/u_bam_data.c
+++ b/drivers/usb/gadget/u_bam_data.c
@@ -178,6 +178,15 @@
 reenable_eps:
 	/* Re-Enable the relevant EPs, if EPs were originally enabled */
 	if (reenable_eps) {
+		if (config_ep_by_speed(port->port_usb->cdev->gadget,
+			port->port_usb->func, port->port_usb->in) ||
+		    config_ep_by_speed(port->port_usb->cdev->gadget,
+			port->port_usb->func, port->port_usb->out)) {
+			pr_err("%s: config_ep_by_speed failed", __func__);
+				port->port_usb->in->desc = NULL;
+				port->port_usb->out->desc = NULL;
+				return -EINVAL;
+		}
 		ret = usb_ep_enable(port->port_usb->in);
 		if (ret) {
 			pr_err("%s: usb_ep_enable failed eptype:IN ep:%p",
diff --git a/drivers/usb/gadget/u_bam_data.h b/drivers/usb/gadget/u_bam_data.h
index 486191b5..5ce678d 100644
--- a/drivers/usb/gadget/u_bam_data.h
+++ b/drivers/usb/gadget/u_bam_data.h
@@ -23,6 +23,7 @@
 
 struct data_port {
 	struct usb_composite_dev	*cdev;
+	struct usb_function		*func;
 	struct usb_ep			*in;
 	struct usb_ep			*out;
 };
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 92a89f0..c2d9c17 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -118,7 +118,7 @@
 #define SD_MC_INIT (struct sched_domain) {				\
 	.min_interval		= 1,					\
 	.max_interval		= 4,					\
-	.busy_factor		= 64,					\
+	.busy_factor		= 1,					\
 	.imbalance_pct		= 125,					\
 	.cache_nice_tries	= 1,					\
 	.busy_idx		= 2,					\
diff --git a/sound/soc/codecs/wcd9320.c b/sound/soc/codecs/wcd9320.c
index 8946dce..ab96baf 100644
--- a/sound/soc/codecs/wcd9320.c
+++ b/sound/soc/codecs/wcd9320.c
@@ -3108,7 +3108,7 @@
 		}
 		release_firmware(fw);
 		break;
-	case SND_SOC_DAPM_POST_PMD:
+	case SND_SOC_DAPM_PRE_PMD:
 		msleep(40);
 		snd_soc_update_bits(codec, TAIKO_A_CDC_ANC1_B1_CTL, 0x01, 0x00);
 		snd_soc_update_bits(codec, TAIKO_A_CDC_ANC2_B1_CTL, 0x02, 0x00);
@@ -3209,8 +3209,6 @@
 			snd_soc_update_bits(codec,
 					TAIKO_A_RX_HPH_CNP_EN, 0x30, 0x00);
 			msleep(40);
-		}
-		if (w->shift == 5) {
 			snd_soc_update_bits(codec,
 					TAIKO_A_TX_7_MBHC_EN, 0x80, 00);
 			ret |= taiko_codec_enable_anc(w, kcontrol, event);
diff --git a/sound/soc/msm/msm8x10.c b/sound/soc/msm/msm8x10.c
index 4db3ea5..02f6ff1 100644
--- a/sound/soc/msm/msm8x10.c
+++ b/sound/soc/msm/msm8x10.c
@@ -613,6 +613,21 @@
 		.ignore_pmdown_time = 1,
 		.be_id = MSM_FRONTEND_DAI_MULTIMEDIA5,
 	},
+	{/* hw:x,13 */
+		.name = "Voice2",
+		.stream_name = "Voice2",
+		.cpu_dai_name   = "Voice2",
+		.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,
+		/* this dainlink has playback support */
+		.ignore_pmdown_time = 1,
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+	},
 	/* Backend I2S DAI Links */
 	{
 		.name = LPASS_BE_SEC_MI2S_RX,
diff --git a/sound/soc/msm/qdsp6v2/msm-compr-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-compr-q6-v2.c
index 620f667..6bccdb7 100644
--- a/sound/soc/msm/qdsp6v2/msm-compr-q6-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-compr-q6-v2.c
@@ -125,7 +125,6 @@
 	int i = 0;
 	int time_stamp_flag = 0;
 	int buffer_length = 0;
-	int stop_playback = 0;
 
 	pr_debug("%s opcode =%08x\n", __func__, opcode);
 	switch (opcode) {
@@ -150,15 +149,9 @@
 		/*
 		 * check for underrun
 		 */
-		snd_pcm_stream_lock_irq(substream);
-		if (snd_pcm_playback_empty(substream)) {
+		if (runtime->status->hw_ptr >= runtime->control->appl_ptr) {
+			pr_err("render stopped");
 			runtime->render_flag |= SNDRV_RENDER_STOPPED;
-			stop_playback = 1;
-		}
-		snd_pcm_stream_unlock_irq(substream);
-
-		if (stop_playback) {
-			pr_err("%s empty buffer, stop writes\n", __func__);
 			break;
 		}
 
@@ -493,15 +486,6 @@
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
 		prtd->pcm_irq_pos = 0;
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-			if (!atomic_cmpxchg(&compressed_audio.audio_ocmem_req,
-									0, 1))
-				audio_ocmem_process_req(AUDIO, true);
-			else
-				atomic_inc(&compressed_audio.audio_ocmem_req);
-			pr_debug("%s: req: %d\n", __func__,
-			atomic_read(&compressed_audio.audio_ocmem_req));
-		}
 
 		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 			switch (compr->info.codec_param.codec.id) {
@@ -624,17 +608,32 @@
 	runtime->private_data = compr;
 	atomic_set(&prtd->eos, 0);
 	compressed_audio.prtd =  &compr->prtd;
-
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		if (!atomic_cmpxchg(&compressed_audio.audio_ocmem_req, 0, 1))
+			audio_ocmem_process_req(AUDIO, true);
+		else
+			atomic_inc(&compressed_audio.audio_ocmem_req);
+		pr_debug("%s: req: %d\n", __func__,
+			atomic_read(&compressed_audio.audio_ocmem_req));
+	}
 	return 0;
 }
 
 int compressed_set_volume(unsigned volume)
 {
 	int rc = 0;
+	int avg_vol = 0;
 	if (compressed_audio.prtd && compressed_audio.prtd->audio_client) {
-		rc = q6asm_set_lrgain(compressed_audio.prtd->audio_client,
-						(volume >> 16) & 0xFFFF,
-						volume & 0xFFFF);
+		if (compressed_audio.prtd->channel_mode > 2) {
+			avg_vol = (((volume >> 16) & 0xFFFF) +
+				   (volume & 0xFFFF)) / 2;
+			rc = q6asm_set_volume(
+				compressed_audio.prtd->audio_client, avg_vol);
+		} else {
+			rc = q6asm_set_lrgain(
+				compressed_audio.prtd->audio_client,
+				(volume >> 16) & 0xFFFF, volume & 0xFFFF);
+		}
 		if (rc < 0) {
 			pr_err("%s: Send Volume command failed rc=%d\n",
 						__func__, rc);
@@ -742,9 +741,17 @@
 	struct msm_audio *prtd = runtime->private_data;
 	struct audio_client *ac = prtd->audio_client;
 	struct audio_port_data *apd = ac->port;
-	struct audio_buffer *ab = &(apd[IN].buf[0]);
+	struct audio_buffer *ab;
+	int dir = -1;
+
 	prtd->mmap_flag = 1;
 
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dir = IN;
+	else
+		dir = OUT;
+	ab = &(apd[dir].buf[0]);
+
 	return msm_audio_ion_mmap(ab, vma);
 }
 
@@ -794,6 +801,11 @@
 			prtd->audio_client->perf_mode,
 			prtd->session_id,
 			substream->stream);
+		/* the number of channels are required to call volume api
+		   accoridngly. So, get channels from hw params */
+		if ((params_channels(params) > 0) &&
+		    (params_periods(params) <= runtime->hw.channels_max))
+			prtd->channel_mode = params_channels(params);
 
 		ret = compressed_set_volume(0);
 		if (ret < 0)
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
index 2a64ae2..c4b44fe 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
@@ -20,6 +20,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
+#include <linux/msm_audio_ion.h>
 
 #include <sound/core.h>
 #include <sound/soc.h>
@@ -517,21 +518,21 @@
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct pcm_afe_info *prtd = runtime->private_data;
-	int result = 0;
+	struct afe_audio_client *ac = prtd->audio_client;
+	struct afe_audio_port_data *apd = ac->port;
+	struct afe_audio_buffer *ab;
+	int dir = -1;
 
 	pr_debug("%s\n", __func__);
 	prtd->mmap_flag = 1;
-	if (runtime->dma_addr && runtime->dma_bytes) {
-		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-		result = remap_pfn_range(vma, vma->vm_start,
-				runtime->dma_addr >> PAGE_SHIFT,
-				runtime->dma_bytes,
-				vma->vm_page_prot);
-	} else {
-		pr_err("Physical address or size of buf is NULL");
-		return -EINVAL;
-	}
-	return result;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dir = IN;
+	else
+		dir = OUT;
+	ab = &(apd[dir].buf[0]);
+
+	return msm_audio_ion_mmap((struct audio_buffer *)ab, vma);
 }
 static int msm_afe_trigger(struct snd_pcm_substream *substream, int cmd)
 {
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
index 7055c57..9899f97 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
@@ -427,9 +427,17 @@
 	struct msm_audio *prtd = runtime->private_data;
 	struct audio_client *ac = prtd->audio_client;
 	struct audio_port_data *apd = ac->port;
-	struct audio_buffer *ab = &(apd[IN].buf[0]);
+	struct audio_buffer *ab;
+	int dir = -1;
+
 	prtd->mmap_flag = 1;
 
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dir = IN;
+	else
+		dir = OUT;
+	ab = &(apd[dir].buf[0]);
+
 	return msm_audio_ion_mmap(ab, vma);
 }
 
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
index f4ca5b8..0592d10 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
@@ -633,9 +633,17 @@
 	struct msm_audio *prtd = runtime->private_data;
 	struct audio_client *ac = prtd->audio_client;
 	struct audio_port_data *apd = ac->port;
-	struct audio_buffer *ab = &(apd[IN].buf[0]);
+	struct audio_buffer *ab;
+	int dir = -1;
+
 	prtd->mmap_flag = 1;
 
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dir = IN;
+	else
+		dir = OUT;
+	ab = &(apd[dir].buf[0]);
+
 	return msm_audio_ion_mmap(ab, vma);
 }
 
diff --git a/sound/soc/msm/qdsp6v2/q6voice.c b/sound/soc/msm/qdsp6v2/q6voice.c
index 60999fa..26d9d48 100644
--- a/sound/soc/msm/qdsp6v2/q6voice.c
+++ b/sound/soc/msm/qdsp6v2/q6voice.c
@@ -4769,4 +4769,4 @@
 	return rc;
 }
 
-device_initcall(voice_init);
+late_initcall(voice_init);