diff --git a/Documentation/usb/error-codes.txt b/Documentation/usb/error-codes.txt
index d83703e..b3f606b 100644
--- a/Documentation/usb/error-codes.txt
+++ b/Documentation/usb/error-codes.txt
@@ -76,6 +76,13 @@
 reported.  That's because transfers often involve several packets, so that
 one or more packets could finish before an error stops further endpoint I/O.
 
+For isochronous URBs, the urb status value is non-zero only if the URB is
+unlinked, the device is removed, the host controller is disabled, or the total
+transferred length is less than the requested length and the URB_SHORT_NOT_OK
+flag is set.  Completion handlers for isochronous URBs should only see
+urb->status set to zero, -ENOENT, -ECONNRESET, -ESHUTDOWN, or -EREMOTEIO.
+Individual frame descriptor status fields may report more status codes.
+
 
 0			Transfer completed successfully
 
@@ -132,7 +139,7 @@
 			device removal events immediately.
 
 -EXDEV			ISO transfer only partially completed
-			look at individual frame status for details
+			(only set in iso_frame_desc[n].status, not urb->status)
 
 -EINVAL			ISO madness, if this happens: Log off and go home
 
diff --git a/MAINTAINERS b/MAINTAINERS
index 782f11e..1b9bcda 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6436,8 +6436,9 @@
 F:	drivers/usb/misc/rio500*
 
 USB EHCI DRIVER
+M:	Alan Stern <stern@rowland.harvard.edu>
 L:	linux-usb@vger.kernel.org
-S:	Orphan
+S:	Maintained
 F:	Documentation/usb/ehci.txt
 F:	drivers/usb/host/ehci*
 
@@ -6467,6 +6468,12 @@
 F:	Documentation/hid/hiddev.txt
 F:	drivers/hid/usbhid/
 
+USB/IP DRIVERS
+M:	Matt Mooney <mfm@muteddisk.com>
+L:	linux-usb@vger.kernel.org
+S:	Maintained
+F:	drivers/staging/usbip/
+
 USB ISP116X DRIVER
 M:	Olav Kongas <ok@artecdesign.ee>
 L:	linux-usb@vger.kernel.org
@@ -6496,8 +6503,9 @@
 F:	sound/usb/midi.*
 
 USB OHCI DRIVER
+M:	Alan Stern <stern@rowland.harvard.edu>
 L:	linux-usb@vger.kernel.org
-S:	Orphan
+S:	Maintained
 F:	Documentation/usb/ohci.txt
 F:	drivers/usb/host/ohci*
 
diff --git a/arch/arm/mach-exynos4/init.c b/arch/arm/mach-exynos4/init.c
index cf91f50..a8a83e3 100644
--- a/arch/arm/mach-exynos4/init.c
+++ b/arch/arm/mach-exynos4/init.c
@@ -35,6 +35,7 @@
 			tcfg->clocks = exynos4_serial_clocks;
 			tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
 		}
+		tcfg->flags |= NO_NEED_CHECK_CLKSRC;
 	}
 
 	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index 1e2aba2..ce5c251 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -381,7 +381,7 @@
 	gpio_set_value(GPIO_PORT114, state);
 }
 
-static struct sh_mobile_sdhi_info sh_sdhi1_platdata = {
+static struct sh_mobile_sdhi_info sh_sdhi1_info = {
 	.tmio_flags	= TMIO_MMC_WRPROTECT_DISABLE,
 	.tmio_caps	= MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
 	.tmio_ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
@@ -413,7 +413,7 @@
 	.name		= "sh_mobile_sdhi",
 	.id		= 1,
 	.dev		= {
-		.platform_data	= &sh_sdhi1_platdata,
+		.platform_data	= &sh_sdhi1_info,
 	},
 	.num_resources	= ARRAY_SIZE(sdhi1_resources),
 	.resource	= sdhi1_resources,
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index f6b687f..803bc6e 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -913,7 +913,7 @@
 	I2C_BOARD_INFO("imx074", 0x1a),
 };
 
-struct soc_camera_link imx074_link = {
+static struct soc_camera_link imx074_link = {
 	.bus_id		= 0,
 	.board_info	= &imx074_info,
 	.i2c_adapter_id	= 0,
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 7e1d375..3802f2a 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -1287,9 +1287,9 @@
 	&nor_flash_device,
 	&smc911x_device,
 	&lcdc_device,
-	&usbhs0_device,
 	&usb1_host_device,
 	&usbhs1_device,
+	&usbhs0_device,
 	&leds_device,
 	&fsi_device,
 	&fsi_ak4643_device,
diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index fd4cf1c..70cdbd6 100644
--- a/arch/arm/mach-ux500/board-mop500-pins.c
+++ b/arch/arm/mach-ux500/board-mop500-pins.c
@@ -110,10 +110,18 @@
 	GPIO168_KP_O0,
 
 	/* UART */
-	GPIO0_U0_CTSn	| PIN_INPUT_PULLUP,
-	GPIO1_U0_RTSn	| PIN_OUTPUT_HIGH,
-	GPIO2_U0_RXD	| PIN_INPUT_PULLUP,
-	GPIO3_U0_TXD	| PIN_OUTPUT_HIGH,
+	/* uart-0 pins gpio configuration should be
+	 * kept intact to prevent glitch in tx line
+	 * when tty dev is opened. Later these pins
+	 * are configured to uart mop500_pins_uart0
+	 *
+	 * It will be replaced with uart configuration
+	 * once the issue is solved.
+	 */
+	GPIO0_GPIO	| PIN_INPUT_PULLUP,
+	GPIO1_GPIO	| PIN_OUTPUT_HIGH,
+	GPIO2_GPIO	| PIN_INPUT_PULLUP,
+	GPIO3_GPIO	| PIN_OUTPUT_HIGH,
 
 	GPIO29_U2_RXD	| PIN_INPUT_PULLUP,
 	GPIO30_U2_TXD	| PIN_OUTPUT_HIGH,
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index bb26f40..2a08c07 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -27,18 +27,21 @@
 #include <linux/leds-lp5521.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
+#include <linux/delay.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
 #include <plat/i2c.h>
 #include <plat/ste_dma40.h>
+#include <plat/pincfg.h>
 
 #include <mach/hardware.h>
 #include <mach/setup.h>
 #include <mach/devices.h>
 #include <mach/irqs.h>
 
+#include "pins-db8500.h"
 #include "ste-dma40-db8500.h"
 #include "devices-db8500.h"
 #include "board-mop500.h"
@@ -393,12 +396,63 @@
 };
 #endif
 
+
+static pin_cfg_t mop500_pins_uart0[] = {
+	GPIO0_U0_CTSn   | PIN_INPUT_PULLUP,
+	GPIO1_U0_RTSn   | PIN_OUTPUT_HIGH,
+	GPIO2_U0_RXD    | PIN_INPUT_PULLUP,
+	GPIO3_U0_TXD    | PIN_OUTPUT_HIGH,
+};
+
+#define PRCC_K_SOFTRST_SET      0x18
+#define PRCC_K_SOFTRST_CLEAR    0x1C
+static void ux500_uart0_reset(void)
+{
+	void __iomem *prcc_rst_set, *prcc_rst_clr;
+
+	prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
+			PRCC_K_SOFTRST_SET);
+	prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
+			PRCC_K_SOFTRST_CLEAR);
+
+	/* Activate soft reset PRCC_K_SOFTRST_CLEAR */
+	writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr);
+	udelay(1);
+
+	/* Release soft reset PRCC_K_SOFTRST_SET */
+	writel((readl(prcc_rst_set) | 0x1), prcc_rst_set);
+	udelay(1);
+}
+
+static void ux500_uart0_init(void)
+{
+	int ret;
+
+	ret = nmk_config_pins(mop500_pins_uart0,
+			ARRAY_SIZE(mop500_pins_uart0));
+	if (ret < 0)
+		pr_err("pl011: uart pins_enable failed\n");
+}
+
+static void ux500_uart0_exit(void)
+{
+	int ret;
+
+	ret = nmk_config_pins_sleep(mop500_pins_uart0,
+			ARRAY_SIZE(mop500_pins_uart0));
+	if (ret < 0)
+		pr_err("pl011: uart pins_disable failed\n");
+}
+
 static struct amba_pl011_data uart0_plat = {
 #ifdef CONFIG_STE_DMA40
 	.dma_filter = stedma40_filter,
 	.dma_rx_param = &uart0_dma_cfg_rx,
 	.dma_tx_param = &uart0_dma_cfg_tx,
 #endif
+	.init = ux500_uart0_init,
+	.exit = ux500_uart0_exit,
+	.reset = ux500_uart0_reset,
 };
 
 static struct amba_pl011_data uart1_plat = {
diff --git a/arch/arm/plat-samsung/include/plat/regs-serial.h b/arch/arm/plat-samsung/include/plat/regs-serial.h
index c151c5f..116edfe 100644
--- a/arch/arm/plat-samsung/include/plat/regs-serial.h
+++ b/arch/arm/plat-samsung/include/plat/regs-serial.h
@@ -224,6 +224,8 @@
 #define S5PV210_UFSTAT_RXMASK	(255<<0)
 #define S5PV210_UFSTAT_RXSHIFT	(0)
 
+#define NO_NEED_CHECK_CLKSRC	1
+
 #ifndef __ASSEMBLY__
 
 /* struct s3c24xx_uart_clksrc
diff --git a/arch/powerpc/boot/dts/p1022ds.dts b/arch/powerpc/boot/dts/p1022ds.dts
index 4f685a7..98d9426 100644
--- a/arch/powerpc/boot/dts/p1022ds.dts
+++ b/arch/powerpc/boot/dts/p1022ds.dts
@@ -209,8 +209,10 @@
 			wm8776:codec@1a {
 				compatible = "wlf,wm8776";
 				reg = <0x1a>;
-				/* MCLK source is a stand-alone oscillator */
-				clock-frequency = <12288000>;
+				/*
+				 * clock-frequency will be set by U-Boot if
+				 * the clock is enabled.
+				 */
 			};
 		};
 
@@ -280,7 +282,8 @@
 			codec-handle = <&wm8776>;
 			fsl,playback-dma = <&dma00>;
 			fsl,capture-dma = <&dma01>;
-			fsl,fifo-depth = <16>;
+			fsl,fifo-depth = <15>;
+			fsl,ssi-asynchronous;
 		};
 
 		dma@c300 {
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index c9f212b..80bc5de 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -148,7 +148,6 @@
 CONFIG_SCSI_CXGB3_ISCSI=m
 CONFIG_SCSI_CXGB4_ISCSI=m
 CONFIG_SCSI_BNX2_ISCSI=m
-CONFIG_SCSI_BNX2_ISCSI=m
 CONFIG_BE2ISCSI=m
 CONFIG_SCSI_IBMVSCSI=y
 CONFIG_SCSI_IBMVFC=m
diff --git a/arch/powerpc/kernel/rtas-rtc.c b/arch/powerpc/kernel/rtas-rtc.c
index 77578c0..c57c193 100644
--- a/arch/powerpc/kernel/rtas-rtc.c
+++ b/arch/powerpc/kernel/rtas-rtc.c
@@ -4,6 +4,7 @@
 #include <linux/init.h>
 #include <linux/rtc.h>
 #include <linux/delay.h>
+#include <linux/ratelimit.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
 #include <asm/time.h>
@@ -29,9 +30,10 @@
 		}
 	} while (wait_time && (get_tb() < max_wait_tb));
 
-	if (error != 0 && printk_ratelimit()) {
-		printk(KERN_WARNING "error: reading the clock failed (%d)\n",
-			error);
+	if (error != 0) {
+		printk_ratelimited(KERN_WARNING
+				   "error: reading the clock failed (%d)\n",
+				   error);
 		return 0;
 	}
 
@@ -55,19 +57,21 @@
 
 		wait_time = rtas_busy_delay_time(error);
 		if (wait_time) {
-			if (in_interrupt() && printk_ratelimit()) {
+			if (in_interrupt()) {
 				memset(rtc_tm, 0, sizeof(struct rtc_time));
-				printk(KERN_WARNING "error: reading clock"
-				       " would delay interrupt\n");
+				printk_ratelimited(KERN_WARNING
+						   "error: reading clock "
+						   "would delay interrupt\n");
 				return;	/* delay not allowed */
 			}
 			msleep(wait_time);
 		}
 	} while (wait_time && (get_tb() < max_wait_tb));
 
-        if (error != 0 && printk_ratelimit()) {
-                printk(KERN_WARNING "error: reading the clock failed (%d)\n",
-		       error);
+	if (error != 0) {
+		printk_ratelimited(KERN_WARNING
+				   "error: reading the clock failed (%d)\n",
+				   error);
 		return;
         }
 
@@ -99,9 +103,10 @@
 		}
 	} while (wait_time && (get_tb() < max_wait_tb));
 
-        if (error != 0 && printk_ratelimit())
-                printk(KERN_WARNING "error: setting the clock failed (%d)\n",
-		       error);
+	if (error != 0)
+		printk_ratelimited(KERN_WARNING
+				   "error: setting the clock failed (%d)\n",
+				   error);
 
         return 0;
 }
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index b96a3a0..78b76dc 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -25,6 +25,7 @@
 #include <linux/errno.h>
 #include <linux/elf.h>
 #include <linux/ptrace.h>
+#include <linux/ratelimit.h>
 #ifdef CONFIG_PPC64
 #include <linux/syscalls.h>
 #include <linux/compat.h>
@@ -892,11 +893,12 @@
 	printk("badframe in handle_rt_signal, regs=%p frame=%p newsp=%lx\n",
 	       regs, frame, newsp);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in handle_rt_signal32: "
-			"%p nip %08lx lr %08lx\n",
-			current->comm, current->pid,
-			addr, regs->nip, regs->link);
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in handle_rt_signal32: "
+				   "%p nip %08lx lr %08lx\n",
+				   current->comm, current->pid,
+				   addr, regs->nip, regs->link);
 
 	force_sigsegv(sig, current);
 	return 0;
@@ -1058,11 +1060,12 @@
 	return 0;
 
  bad:
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in sys_rt_sigreturn: "
-			"%p nip %08lx lr %08lx\n",
-			current->comm, current->pid,
-			rt_sf, regs->nip, regs->link);
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in sys_rt_sigreturn: "
+				   "%p nip %08lx lr %08lx\n",
+				   current->comm, current->pid,
+				   rt_sf, regs->nip, regs->link);
 
 	force_sig(SIGSEGV, current);
 	return 0;
@@ -1149,12 +1152,12 @@
 	 * We kill the task with a SIGSEGV in this situation.
 	 */
 	if (do_setcontext(ctx, regs, 1)) {
-		if (show_unhandled_signals && printk_ratelimit())
-			printk(KERN_INFO "%s[%d]: bad frame in "
-				"sys_debug_setcontext: %p nip %08lx "
-				"lr %08lx\n",
-				current->comm, current->pid,
-				ctx, regs->nip, regs->link);
+		if (show_unhandled_signals)
+			printk_ratelimited(KERN_INFO "%s[%d]: bad frame in "
+					   "sys_debug_setcontext: %p nip %08lx "
+					   "lr %08lx\n",
+					   current->comm, current->pid,
+					   ctx, regs->nip, regs->link);
 
 		force_sig(SIGSEGV, current);
 		goto out;
@@ -1236,11 +1239,12 @@
 	printk("badframe in handle_signal, regs=%p frame=%p newsp=%lx\n",
 	       regs, frame, newsp);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in handle_signal32: "
-			"%p nip %08lx lr %08lx\n",
-			current->comm, current->pid,
-			frame, regs->nip, regs->link);
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in handle_signal32: "
+				   "%p nip %08lx lr %08lx\n",
+				   current->comm, current->pid,
+				   frame, regs->nip, regs->link);
 
 	force_sigsegv(sig, current);
 	return 0;
@@ -1288,11 +1292,12 @@
 	return 0;
 
 badframe:
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(KERN_INFO "%s[%d]: bad frame in sys_sigreturn: "
-			"%p nip %08lx lr %08lx\n",
-			current->comm, current->pid,
-			addr, regs->nip, regs->link);
+	if (show_unhandled_signals)
+		printk_ratelimited(KERN_INFO
+				   "%s[%d]: bad frame in sys_sigreturn: "
+				   "%p nip %08lx lr %08lx\n",
+				   current->comm, current->pid,
+				   addr, regs->nip, regs->link);
 
 	force_sig(SIGSEGV, current);
 	return 0;
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index da989ff..e91c736 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -24,6 +24,7 @@
 #include <linux/elf.h>
 #include <linux/ptrace.h>
 #include <linux/module.h>
+#include <linux/ratelimit.h>
 
 #include <asm/sigcontext.h>
 #include <asm/ucontext.h>
@@ -380,10 +381,10 @@
 	printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n",
 	       regs, uc, &uc->uc_mcontext);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
-			current->comm, current->pid, "rt_sigreturn",
-			(long)uc, regs->nip, regs->link);
+	if (show_unhandled_signals)
+		printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+				   current->comm, current->pid, "rt_sigreturn",
+				   (long)uc, regs->nip, regs->link);
 
 	force_sig(SIGSEGV, current);
 	return 0;
@@ -468,10 +469,10 @@
 	printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n",
 	       regs, frame, newsp);
 #endif
-	if (show_unhandled_signals && printk_ratelimit())
-		printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
-			current->comm, current->pid, "setup_rt_frame",
-			(long)frame, regs->nip, regs->link);
+	if (show_unhandled_signals)
+		printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+				   current->comm, current->pid, "setup_rt_frame",
+				   (long)frame, regs->nip, regs->link);
 
 	force_sigsegv(signr, current);
 	return 0;
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 0ff4ab9..1a01414 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -34,6 +34,7 @@
 #include <linux/bug.h>
 #include <linux/kdebug.h>
 #include <linux/debugfs.h>
+#include <linux/ratelimit.h>
 
 #include <asm/emulated_ops.h>
 #include <asm/pgtable.h>
@@ -197,12 +198,11 @@
 		if (die("Exception in kernel mode", regs, signr))
 			return;
 	} else if (show_unhandled_signals &&
-		    unhandled_signal(current, signr) &&
-		    printk_ratelimit()) {
-			printk(regs->msr & MSR_64BIT ? fmt64 : fmt32,
-				current->comm, current->pid, signr,
-				addr, regs->nip, regs->link, code);
-		}
+		   unhandled_signal(current, signr)) {
+		printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
+				   current->comm, current->pid, signr,
+				   addr, regs->nip, regs->link, code);
+	}
 
 	memset(&info, 0, sizeof(info));
 	info.si_signo = signr;
@@ -425,7 +425,7 @@
 	unsigned long reason = mcsr;
 	int recoverable = 1;
 
-	if (reason & MCSR_BUS_RBERR) {
+	if (reason & MCSR_LD) {
 		recoverable = fsl_rio_mcheck_exception(regs);
 		if (recoverable == 1)
 			goto silent_out;
@@ -1342,9 +1342,8 @@
 	} else {
 		/* didn't recognize the instruction */
 		/* XXX quick hack for now: set the non-Java bit in the VSCR */
-		if (printk_ratelimit())
-			printk(KERN_ERR "Unrecognized altivec instruction "
-			       "in %s at %lx\n", current->comm, regs->nip);
+		printk_ratelimited(KERN_ERR "Unrecognized altivec instruction "
+				   "in %s at %lx\n", current->comm, regs->nip);
 		current->thread.vscr.u[3] |= 0x10000;
 	}
 }
@@ -1548,9 +1547,8 @@
 
 void ppc_warn_emulated_print(const char *type)
 {
-	if (printk_ratelimit())
-		pr_warning("%s used emulated %s instruction\n", current->comm,
-			   type);
+	pr_warn_ratelimited("%s used emulated %s instruction\n", current->comm,
+			    type);
 }
 
 static int __init ppc_warn_emulated_init(void)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 54f4fb9..ad35f66 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -31,6 +31,7 @@
 #include <linux/kdebug.h>
 #include <linux/perf_event.h>
 #include <linux/magic.h>
+#include <linux/ratelimit.h>
 
 #include <asm/firmware.h>
 #include <asm/page.h>
@@ -346,11 +347,10 @@
 		return 0;
 	}
 
-	if (is_exec && (error_code & DSISR_PROTFAULT)
-	    && printk_ratelimit())
-		printk(KERN_CRIT "kernel tried to execute NX-protected"
-		       " page (%lx) - exploit attempt? (uid: %d)\n",
-		       address, current_uid());
+	if (is_exec && (error_code & DSISR_PROTFAULT))
+		printk_ratelimited(KERN_CRIT "kernel tried to execute NX-protected"
+				   " page (%lx) - exploit attempt? (uid: %d)\n",
+				   address, current_uid());
 
 	return SIGSEGV;
 
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 5b206a2..b3fd081 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -283,23 +283,24 @@
 #ifdef CONFIG_E500
 int fsl_rio_mcheck_exception(struct pt_regs *regs)
 {
-	const struct exception_table_entry *entry = NULL;
-	unsigned long reason = mfspr(SPRN_MCSR);
+	const struct exception_table_entry *entry;
+	unsigned long reason;
 
-	if (reason & MCSR_BUS_RBERR) {
-		reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
-		if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
-			/* Check if we are prepared to handle this fault */
-			entry = search_exception_tables(regs->nip);
-			if (entry) {
-				pr_debug("RIO: %s - MC Exception handled\n",
-					 __func__);
-				out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
-					 0);
-				regs->msr |= MSR_RI;
-				regs->nip = entry->fixup;
-				return 1;
-			}
+	if (!rio_regs_win)
+		return 0;
+
+	reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
+	if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
+		/* Check if we are prepared to handle this fault */
+		entry = search_exception_tables(regs->nip);
+		if (entry) {
+			pr_debug("RIO: %s - MC Exception handled\n",
+				 __func__);
+			out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
+				 0);
+			regs->msr |= MSR_RI;
+			regs->nip = entry->fixup;
+			return 1;
 		}
 	}
 
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3a8de5b..58d7a53 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -29,6 +29,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/syscore_ops.h>
+#include <linux/ratelimit.h>
 
 #include <asm/ptrace.h>
 #include <asm/signal.h>
@@ -1648,9 +1649,8 @@
 		return NO_IRQ;
 	}
 	if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-		if (printk_ratelimit())
-			printk(KERN_WARNING "%s: Got protected source %d !\n",
-			       mpic->name, (int)src);
+		printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
+				   mpic->name, (int)src);
 		mpic_eoi(mpic);
 		return NO_IRQ;
 	}
@@ -1688,9 +1688,8 @@
 		return NO_IRQ;
 	}
 	if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-		if (printk_ratelimit())
-			printk(KERN_WARNING "%s: Got protected source %d !\n",
-			       mpic->name, (int)src);
+		printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
+				   mpic->name, (int)src);
 		return NO_IRQ;
 	}
 
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index f03338c..bbdeb48 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -348,6 +348,7 @@
 	select SYS_SUPPORTS_CMT
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select USB_ARCH_HAS_OHCI
+	select USB_OHCI_SH if USB_OHCI_HCD
 	help
 	  Select SH7720 if you have a SH3-DSP SH7720 CPU.
 
@@ -357,6 +358,7 @@
 	select CPU_HAS_DSP
 	select SYS_SUPPORTS_CMT
 	select USB_ARCH_HAS_OHCI
+	select USB_OHCI_SH if USB_OHCI_HCD
 	help
 	  Select SH7721 if you have a SH3-DSP SH7721 CPU.
 
@@ -440,6 +442,7 @@
 	bool "Support SH7763 processor"
 	select CPU_SH4A
 	select USB_ARCH_HAS_OHCI
+	select USB_OHCI_SH if USB_OHCI_HCD
 	help
 	  Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
 
@@ -467,7 +470,9 @@
 	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select USB_ARCH_HAS_OHCI
+	select USB_OHCI_SH if USB_OHCI_HCD
 	select USB_ARCH_HAS_EHCI
+	select USB_EHCI_SH if USB_EHCI_HCD
 
 config CPU_SUBTYPE_SHX3
 	bool "Support SH-X3 processor"
diff --git a/arch/sh/configs/sh7757lcr_defconfig b/arch/sh/configs/sh7757lcr_defconfig
index 33ddb13..cfde98d 100644
--- a/arch/sh/configs/sh7757lcr_defconfig
+++ b/arch/sh/configs/sh7757lcr_defconfig
@@ -9,7 +9,6 @@
 CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 # CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS_ALL=y
 CONFIG_SLAB=y
@@ -39,8 +38,6 @@
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_FW_LOADER is not set
 CONFIG_MTD=y
-CONFIG_MTD_CONCAT=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_M25P80=y
@@ -56,18 +53,19 @@
 # CONFIG_KEYBOARD_ATKBD is not set
 # CONFIG_MOUSE_PS2 is not set
 # CONFIG_SERIO is not set
+# CONFIG_LEGACY_PTYS is not set
 CONFIG_SERIAL_SH_SCI=y
 CONFIG_SERIAL_SH_SCI_NR_UARTS=3
 CONFIG_SERIAL_SH_SCI_CONSOLE=y
-# CONFIG_LEGACY_PTYS is not set
 # CONFIG_HW_RANDOM is not set
 CONFIG_SPI=y
 CONFIG_SPI_SH=y
 # CONFIG_HWMON is not set
-CONFIG_MFD_SH_MOBILE_SDHI=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_SH=y
 CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_SH=y
 CONFIG_USB_STORAGE=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHI=y
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index 423dabf..e915dea 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -183,7 +183,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_SCIF2_RX,
 		.addr		= 0x1f4b0014,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x22,
 	},
@@ -197,7 +197,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_SCIF3_RX,
 		.addr		= 0x1f4c0014,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x2a,
 	},
@@ -211,7 +211,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_SCIF4_RX,
 		.addr		= 0x1f4d0014,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x42,
 	},
@@ -228,7 +228,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC0_RX,
 		.addr		= 0x1e500013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x22,
 	},
@@ -242,7 +242,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC1_RX,
 		.addr		= 0x1e510013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x2a,
 	},
@@ -256,7 +256,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC2_RX,
 		.addr		= 0x1e520013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0xa2,
 	},
@@ -265,12 +265,12 @@
 		.addr		= 0x1e530012,
 		.chcr		= SM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
-		.mid_rid	= 0xab,
+		.mid_rid	= 0xa9,
 	},
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC3_RX,
 		.addr		= 0x1e530013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0xaf,
 	},
@@ -279,14 +279,14 @@
 		.addr		= 0x1e540012,
 		.chcr		= SM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
-		.mid_rid	= 0xc1,
+		.mid_rid	= 0xc5,
 	},
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC4_RX,
 		.addr		= 0x1e540013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
-		.mid_rid	= 0xc2,
+		.mid_rid	= 0xc6,
 	},
 };
 
@@ -301,7 +301,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC5_RX,
 		.addr		= 0x1e550013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x22,
 	},
@@ -315,7 +315,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC6_RX,
 		.addr		= 0x1e560013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x2a,
 	},
@@ -329,7 +329,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC7_RX,
 		.addr		= 0x1e570013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x42,
 	},
@@ -343,7 +343,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC8_RX,
 		.addr		= 0x1e580013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x46,
 	},
@@ -357,7 +357,7 @@
 	{
 		.slave_id	= SHDMA_SLAVE_RIIC9_RX,
 		.addr		= 0x1e590013,
-		.chcr		= SM_INC | 0x800 | 0x40000000 |
+		.chcr		= DM_INC | 0x800 | 0x40000000 |
 				  TS_INDEX2VAL(XMIT_SZ_8BIT),
 		.mid_rid	= 0x52,
 	},
@@ -659,6 +659,54 @@
 	.resource	= spi0_resources,
 };
 
+static struct resource usb_ehci_resources[] = {
+	[0] = {
+		.start	= 0xfe4f1000,
+		.end	= 0xfe4f10ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 57,
+		.end	= 57,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device usb_ehci_device = {
+	.name		= "sh_ehci",
+	.id		= -1,
+	.dev = {
+		.dma_mask = &usb_ehci_device.dev.coherent_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(usb_ehci_resources),
+	.resource	= usb_ehci_resources,
+};
+
+static struct resource usb_ohci_resources[] = {
+	[0] = {
+		.start	= 0xfe4f1800,
+		.end	= 0xfe4f18ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 57,
+		.end	= 57,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device usb_ohci_device = {
+	.name		= "sh_ohci",
+	.id		= -1,
+	.dev = {
+		.dma_mask = &usb_ohci_device.dev.coherent_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
+	.resource	= usb_ohci_resources,
+};
+
 static struct platform_device *sh7757_devices[] __initdata = {
 	&scif2_device,
 	&scif3_device,
@@ -670,6 +718,8 @@
 	&dma2_device,
 	&dma3_device,
 	&spi0_device,
+	&usb_ehci_device,
+	&usb_ohci_device,
 };
 
 static int __init sh7757_devices_setup(void)
@@ -1039,13 +1089,13 @@
 
 /* Support for external interrupt pins in IRQ mode */
 static struct intc_vect vectors_irq0123[] __initdata = {
-	INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
-	INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
+	INTC_VECT(IRQ0, 0x200), INTC_VECT(IRQ1, 0x240),
+	INTC_VECT(IRQ2, 0x280), INTC_VECT(IRQ3, 0x2c0),
 };
 
 static struct intc_vect vectors_irq4567[] __initdata = {
-	INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
-	INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
+	INTC_VECT(IRQ4, 0x300), INTC_VECT(IRQ5, 0x340),
+	INTC_VECT(IRQ6, 0x380), INTC_VECT(IRQ7, 0x3c0),
 };
 
 static struct intc_sense_reg sense_registers[] __initdata = {
@@ -1079,14 +1129,14 @@
 };
 
 static struct intc_vect vectors_irl4567[] __initdata = {
-	INTC_VECT(IRL4_LLLL, 0xb00), INTC_VECT(IRL4_LLLH, 0xb20),
-	INTC_VECT(IRL4_LLHL, 0xb40), INTC_VECT(IRL4_LLHH, 0xb60),
-	INTC_VECT(IRL4_LHLL, 0xb80), INTC_VECT(IRL4_LHLH, 0xba0),
-	INTC_VECT(IRL4_LHHL, 0xbc0), INTC_VECT(IRL4_LHHH, 0xbe0),
-	INTC_VECT(IRL4_HLLL, 0xc00), INTC_VECT(IRL4_HLLH, 0xc20),
-	INTC_VECT(IRL4_HLHL, 0xc40), INTC_VECT(IRL4_HLHH, 0xc60),
-	INTC_VECT(IRL4_HHLL, 0xc80), INTC_VECT(IRL4_HHLH, 0xca0),
-	INTC_VECT(IRL4_HHHL, 0xcc0),
+	INTC_VECT(IRL4_LLLL, 0x200), INTC_VECT(IRL4_LLLH, 0x220),
+	INTC_VECT(IRL4_LLHL, 0x240), INTC_VECT(IRL4_LLHH, 0x260),
+	INTC_VECT(IRL4_LHLL, 0x280), INTC_VECT(IRL4_LHLH, 0x2a0),
+	INTC_VECT(IRL4_LHHL, 0x2c0), INTC_VECT(IRL4_LHHH, 0x2e0),
+	INTC_VECT(IRL4_HLLL, 0x300), INTC_VECT(IRL4_HLLH, 0x320),
+	INTC_VECT(IRL4_HLHL, 0x340), INTC_VECT(IRL4_HLHH, 0x360),
+	INTC_VECT(IRL4_HHLL, 0x380), INTC_VECT(IRL4_HHLH, 0x3a0),
+	INTC_VECT(IRL4_HHHL, 0x3c0),
 };
 
 static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7757-irl0123", vectors_irl0123,
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 9197110..a3ee919 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -13,6 +13,7 @@
 #include <linux/seq_file.h>
 #include <linux/ftrace.h>
 #include <linux/delay.h>
+#include <linux/ratelimit.h>
 #include <asm/processor.h>
 #include <asm/machvec.h>
 #include <asm/uaccess.h>
@@ -268,9 +269,8 @@
 			unsigned int newcpu = cpumask_any_and(data->affinity,
 							      cpu_online_mask);
 			if (newcpu >= nr_cpu_ids) {
-				if (printk_ratelimit())
-					printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
-					       irq, cpu);
+				pr_info_ratelimited("IRQ%u no longer affine to CPU%u\n",
+						    irq, cpu);
 
 				cpumask_setall(data->affinity);
 				newcpu = cpumask_any_and(data->affinity,
diff --git a/arch/sh/mm/alignment.c b/arch/sh/mm/alignment.c
index b2595b8..620fa7f 100644
--- a/arch/sh/mm/alignment.c
+++ b/arch/sh/mm/alignment.c
@@ -13,6 +13,7 @@
 #include <linux/seq_file.h>
 #include <linux/proc_fs.h>
 #include <linux/uaccess.h>
+#include <linux/ratelimit.h>
 #include <asm/alignment.h>
 #include <asm/processor.h>
 
@@ -95,13 +96,13 @@
 void unaligned_fixups_notify(struct task_struct *tsk, insn_size_t insn,
 			     struct pt_regs *regs)
 {
-	if (user_mode(regs) && (se_usermode & UM_WARN) && printk_ratelimit())
-		pr_notice("Fixing up unaligned userspace access "
+	if (user_mode(regs) && (se_usermode & UM_WARN))
+		pr_notice_ratelimited("Fixing up unaligned userspace access "
 			  "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
 			  tsk->comm, task_pid_nr(tsk),
 			  (void *)instruction_pointer(regs), insn);
-	else if (se_kernmode_warn && printk_ratelimit())
-		pr_notice("Fixing up unaligned kernel access "
+	else if (se_kernmode_warn)
+		pr_notice_ratelimited("Fixing up unaligned kernel access "
 			  "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
 			  tsk->comm, task_pid_nr(tsk),
 			  (void *)instruction_pointer(regs), insn);
diff --git a/arch/x86/include/asm/apb_timer.h b/arch/x86/include/asm/apb_timer.h
index 2fefa50..af60d8a 100644
--- a/arch/x86/include/asm/apb_timer.h
+++ b/arch/x86/include/asm/apb_timer.h
@@ -62,7 +62,7 @@
 #else /* CONFIG_APB_TIMER */
 
 static inline unsigned long apbt_quick_calibrate(void) {return 0; }
-static inline void apbt_time_init(void) {return 0; }
+static inline void apbt_time_init(void) { }
 
 #endif
 #endif /* ASM_X86_APBT_H */
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 6df88c7..adc9867 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3372,7 +3372,7 @@
 	int def_op_bytes, def_ad_bytes, goffset, simd_prefix;
 	bool op_prefix = false;
 	struct opcode opcode;
-	struct operand memop = { .type = OP_NONE };
+	struct operand memop = { .type = OP_NONE }, *memopp = NULL;
 
 	c->eip = ctxt->eip;
 	c->fetch.start = c->eip;
@@ -3547,9 +3547,6 @@
 	if (memop.type == OP_MEM && c->ad_bytes != 8)
 		memop.addr.mem.ea = (u32)memop.addr.mem.ea;
 
-	if (memop.type == OP_MEM && c->rip_relative)
-		memop.addr.mem.ea += c->eip;
-
 	/*
 	 * Decode and fetch the source operand: register, memory
 	 * or immediate.
@@ -3571,6 +3568,7 @@
 							   c->op_bytes;
 	srcmem_common:
 		c->src = memop;
+		memopp = &c->src;
 		break;
 	case SrcImmU16:
 		rc = decode_imm(ctxt, &c->src, 2, false);
@@ -3667,6 +3665,7 @@
 	case DstMem:
 	case DstMem64:
 		c->dst = memop;
+		memopp = &c->dst;
 		if ((c->d & DstMask) == DstMem64)
 			c->dst.bytes = 8;
 		else
@@ -3700,10 +3699,13 @@
 		/* Special instructions do their own operand decoding. */
 	default:
 		c->dst.type = OP_NONE; /* Disable writeback. */
-		return 0;
+		break;
 	}
 
 done:
+	if (memopp && memopp->type == OP_MEM && c->rip_relative)
+		memopp->addr.mem.ea += c->eip;
+
 	return (rc == X86EMUL_UNHANDLEABLE) ? EMULATION_FAILED : EMULATION_OK;
 }
 
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index d38c40f..41223c7 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -452,7 +452,7 @@
 	}
 
 	if (mask_port_map) {
-		dev_printk(KERN_ERR, dev, "masking port_map 0x%x -> 0x%x\n",
+		dev_printk(KERN_WARNING, dev, "masking port_map 0x%x -> 0x%x\n",
 			   port_map,
 			   port_map & mask_port_map);
 		port_map &= mask_port_map;
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 1c291af..6040717 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -367,7 +367,7 @@
  *
  * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
  */
-struct platform_device *__init_or_module platform_device_register_resndata(
+struct platform_device *platform_device_register_resndata(
 		struct device *parent,
 		const char *name, int id,
 		const struct resource *res, unsigned int num,
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 219d88a..dde6a0f 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -139,6 +139,7 @@
 	spin_unlock_bh(&dev->cbdev->queue_lock);
 
 	if (cbq != NULL) {
+		err = 0;
 		cbq->callback(msg, nsp);
 		kfree_skb(skb);
 		cn_queue_release_callback(cbq);
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index d0e65d6..676d957 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -238,9 +238,9 @@
 
 	/* build shared descriptor for this session */
 	sh_desc = kmalloc(CAAM_CMD_SZ * DESC_AEAD_SHARED_TEXT_LEN +
-			  keys_fit_inline ?
-			  ctx->split_key_pad_len + ctx->enckeylen :
-			  CAAM_PTR_SZ * 2, GFP_DMA | GFP_KERNEL);
+			  (keys_fit_inline ?
+			   ctx->split_key_pad_len + ctx->enckeylen :
+			   CAAM_PTR_SZ * 2), GFP_DMA | GFP_KERNEL);
 	if (!sh_desc) {
 		dev_err(jrdev, "could not allocate shared descriptor\n");
 		return -ENOMEM;
diff --git a/drivers/firmware/google/Kconfig b/drivers/firmware/google/Kconfig
index 87096b6..2f21b0b 100644
--- a/drivers/firmware/google/Kconfig
+++ b/drivers/firmware/google/Kconfig
@@ -13,6 +13,7 @@
 config GOOGLE_SMI
 	tristate "SMI interface for Google platforms"
 	depends on ACPI && DMI
+	select EFI
 	select EFI_VARS
 	help
 	  Say Y here if you want to enable SMI callbacks for Google
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 0defd42..609358f 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -579,6 +579,9 @@
 	} else switch (INTEL_INFO(dev)->gen) {
 	case 6:
 		ret = gen6_do_reset(dev, flags);
+		/* If reset with a user forcewake, try to restore */
+		if (atomic_read(&dev_priv->forcewake_count))
+			__gen6_gt_force_wake_get(dev_priv);
 		break;
 	case 5:
 		ret = ironlake_do_reset(dev, flags);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f63ee16..eddabf6 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -211,6 +211,9 @@
 	void (*fdi_link_train)(struct drm_crtc *crtc);
 	void (*init_clock_gating)(struct drm_device *dev);
 	void (*init_pch_clock_gating)(struct drm_device *dev);
+	int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc,
+			  struct drm_framebuffer *fb,
+			  struct drm_i915_gem_object *obj);
 	/* clock updates for mode set */
 	/* cursor updates */
 	/* render clock increase/decrease */
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 85f7137..5c0d124 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2072,8 +2072,8 @@
 		if (!ier) {
 			DRM_ERROR("something (likely vbetool) disabled "
 				  "interrupts, re-enabling\n");
-			i915_driver_irq_preinstall(ring->dev);
-			i915_driver_irq_postinstall(ring->dev);
+			ring->dev->driver->irq_preinstall(ring->dev);
+			ring->dev->driver->irq_postinstall(ring->dev);
 		}
 
 		trace_i915_gem_request_wait_begin(ring, seqno);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index aa43e7b..21b6f93 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6261,6 +6261,197 @@
 	spin_unlock_irqrestore(&dev->event_lock, flags);
 }
 
+static int intel_gen2_queue_flip(struct drm_device *dev,
+				 struct drm_crtc *crtc,
+				 struct drm_framebuffer *fb,
+				 struct drm_i915_gem_object *obj)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	unsigned long offset;
+	u32 flip_mask;
+	int ret;
+
+	ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv));
+	if (ret)
+		goto out;
+
+	/* Offset into the new buffer for cases of shared fbs between CRTCs */
+	offset = crtc->y * fb->pitch + crtc->x * fb->bits_per_pixel/8;
+
+	ret = BEGIN_LP_RING(6);
+	if (ret)
+		goto out;
+
+	/* Can't queue multiple flips, so wait for the previous
+	 * one to finish before executing the next.
+	 */
+	if (intel_crtc->plane)
+		flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
+	else
+		flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
+	OUT_RING(MI_WAIT_FOR_EVENT | flip_mask);
+	OUT_RING(MI_NOOP);
+	OUT_RING(MI_DISPLAY_FLIP |
+		 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
+	OUT_RING(fb->pitch);
+	OUT_RING(obj->gtt_offset + offset);
+	OUT_RING(MI_NOOP);
+	ADVANCE_LP_RING();
+out:
+	return ret;
+}
+
+static int intel_gen3_queue_flip(struct drm_device *dev,
+				 struct drm_crtc *crtc,
+				 struct drm_framebuffer *fb,
+				 struct drm_i915_gem_object *obj)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	unsigned long offset;
+	u32 flip_mask;
+	int ret;
+
+	ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv));
+	if (ret)
+		goto out;
+
+	/* Offset into the new buffer for cases of shared fbs between CRTCs */
+	offset = crtc->y * fb->pitch + crtc->x * fb->bits_per_pixel/8;
+
+	ret = BEGIN_LP_RING(6);
+	if (ret)
+		goto out;
+
+	if (intel_crtc->plane)
+		flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
+	else
+		flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
+	OUT_RING(MI_WAIT_FOR_EVENT | flip_mask);
+	OUT_RING(MI_NOOP);
+	OUT_RING(MI_DISPLAY_FLIP_I915 |
+		 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
+	OUT_RING(fb->pitch);
+	OUT_RING(obj->gtt_offset + offset);
+	OUT_RING(MI_NOOP);
+
+	ADVANCE_LP_RING();
+out:
+	return ret;
+}
+
+static int intel_gen4_queue_flip(struct drm_device *dev,
+				 struct drm_crtc *crtc,
+				 struct drm_framebuffer *fb,
+				 struct drm_i915_gem_object *obj)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	uint32_t pf, pipesrc;
+	int ret;
+
+	ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv));
+	if (ret)
+		goto out;
+
+	ret = BEGIN_LP_RING(4);
+	if (ret)
+		goto out;
+
+	/* i965+ uses the linear or tiled offsets from the
+	 * Display Registers (which do not change across a page-flip)
+	 * so we need only reprogram the base address.
+	 */
+	OUT_RING(MI_DISPLAY_FLIP |
+		 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
+	OUT_RING(fb->pitch);
+	OUT_RING(obj->gtt_offset | obj->tiling_mode);
+
+	/* XXX Enabling the panel-fitter across page-flip is so far
+	 * untested on non-native modes, so ignore it for now.
+	 * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE;
+	 */
+	pf = 0;
+	pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
+	OUT_RING(pf | pipesrc);
+	ADVANCE_LP_RING();
+out:
+	return ret;
+}
+
+static int intel_gen6_queue_flip(struct drm_device *dev,
+				 struct drm_crtc *crtc,
+				 struct drm_framebuffer *fb,
+				 struct drm_i915_gem_object *obj)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	uint32_t pf, pipesrc;
+	int ret;
+
+	ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv));
+	if (ret)
+		goto out;
+
+	ret = BEGIN_LP_RING(4);
+	if (ret)
+		goto out;
+
+	OUT_RING(MI_DISPLAY_FLIP |
+		 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
+	OUT_RING(fb->pitch | obj->tiling_mode);
+	OUT_RING(obj->gtt_offset);
+
+	pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE;
+	pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
+	OUT_RING(pf | pipesrc);
+	ADVANCE_LP_RING();
+out:
+	return ret;
+}
+
+/*
+ * On gen7 we currently use the blit ring because (in early silicon at least)
+ * the render ring doesn't give us interrpts for page flip completion, which
+ * means clients will hang after the first flip is queued.  Fortunately the
+ * blit ring generates interrupts properly, so use it instead.
+ */
+static int intel_gen7_queue_flip(struct drm_device *dev,
+				 struct drm_crtc *crtc,
+				 struct drm_framebuffer *fb,
+				 struct drm_i915_gem_object *obj)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	struct intel_ring_buffer *ring = &dev_priv->ring[BCS];
+	int ret;
+
+	ret = intel_pin_and_fence_fb_obj(dev, obj, ring);
+	if (ret)
+		goto out;
+
+	ret = intel_ring_begin(ring, 4);
+	if (ret)
+		goto out;
+
+	intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | (intel_crtc->plane << 19));
+	intel_ring_emit(ring, (fb->pitch | obj->tiling_mode));
+	intel_ring_emit(ring, (obj->gtt_offset));
+	intel_ring_emit(ring, (MI_NOOP));
+	intel_ring_advance(ring);
+out:
+	return ret;
+}
+
+static int intel_default_queue_flip(struct drm_device *dev,
+				    struct drm_crtc *crtc,
+				    struct drm_framebuffer *fb,
+				    struct drm_i915_gem_object *obj)
+{
+	return -ENODEV;
+}
+
 static int intel_crtc_page_flip(struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event)
@@ -6271,9 +6462,7 @@
 	struct drm_i915_gem_object *obj;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	struct intel_unpin_work *work;
-	unsigned long flags, offset;
-	int pipe = intel_crtc->pipe;
-	u32 pf, pipesrc;
+	unsigned long flags;
 	int ret;
 
 	work = kzalloc(sizeof *work, GFP_KERNEL);
@@ -6302,9 +6491,6 @@
 	obj = intel_fb->obj;
 
 	mutex_lock(&dev->struct_mutex);
-	ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv));
-	if (ret)
-		goto cleanup_work;
 
 	/* Reference the objects for the scheduled work. */
 	drm_gem_object_reference(&work->old_fb_obj->base);
@@ -6316,91 +6502,18 @@
 	if (ret)
 		goto cleanup_objs;
 
-	if (IS_GEN3(dev) || IS_GEN2(dev)) {
-		u32 flip_mask;
-
-		/* Can't queue multiple flips, so wait for the previous
-		 * one to finish before executing the next.
-		 */
-		ret = BEGIN_LP_RING(2);
-		if (ret)
-			goto cleanup_objs;
-
-		if (intel_crtc->plane)
-			flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
-		else
-			flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
-		OUT_RING(MI_WAIT_FOR_EVENT | flip_mask);
-		OUT_RING(MI_NOOP);
-		ADVANCE_LP_RING();
-	}
-
 	work->pending_flip_obj = obj;
 
 	work->enable_stall_check = true;
 
-	/* Offset into the new buffer for cases of shared fbs between CRTCs */
-	offset = crtc->y * fb->pitch + crtc->x * fb->bits_per_pixel/8;
-
-	ret = BEGIN_LP_RING(4);
-	if (ret)
-		goto cleanup_objs;
-
 	/* Block clients from rendering to the new back buffer until
 	 * the flip occurs and the object is no longer visible.
 	 */
 	atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
 
-	switch (INTEL_INFO(dev)->gen) {
-	case 2:
-		OUT_RING(MI_DISPLAY_FLIP |
-			 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-		OUT_RING(fb->pitch);
-		OUT_RING(obj->gtt_offset + offset);
-		OUT_RING(MI_NOOP);
-		break;
-
-	case 3:
-		OUT_RING(MI_DISPLAY_FLIP_I915 |
-			 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-		OUT_RING(fb->pitch);
-		OUT_RING(obj->gtt_offset + offset);
-		OUT_RING(MI_NOOP);
-		break;
-
-	case 4:
-	case 5:
-		/* i965+ uses the linear or tiled offsets from the
-		 * Display Registers (which do not change across a page-flip)
-		 * so we need only reprogram the base address.
-		 */
-		OUT_RING(MI_DISPLAY_FLIP |
-			 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-		OUT_RING(fb->pitch);
-		OUT_RING(obj->gtt_offset | obj->tiling_mode);
-
-		/* XXX Enabling the panel-fitter across page-flip is so far
-		 * untested on non-native modes, so ignore it for now.
-		 * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE;
-		 */
-		pf = 0;
-		pipesrc = I915_READ(PIPESRC(pipe)) & 0x0fff0fff;
-		OUT_RING(pf | pipesrc);
-		break;
-
-	case 6:
-	case 7:
-		OUT_RING(MI_DISPLAY_FLIP |
-			 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-		OUT_RING(fb->pitch | obj->tiling_mode);
-		OUT_RING(obj->gtt_offset);
-
-		pf = I915_READ(PF_CTL(pipe)) & PF_ENABLE;
-		pipesrc = I915_READ(PIPESRC(pipe)) & 0x0fff0fff;
-		OUT_RING(pf | pipesrc);
-		break;
-	}
-	ADVANCE_LP_RING();
+	ret = dev_priv->display.queue_flip(dev, crtc, fb, obj);
+	if (ret)
+		goto cleanup_pending;
 
 	mutex_unlock(&dev->struct_mutex);
 
@@ -6408,10 +6521,11 @@
 
 	return 0;
 
+cleanup_pending:
+	atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
 cleanup_objs:
 	drm_gem_object_unreference(&work->old_fb_obj->base);
 	drm_gem_object_unreference(&obj->base);
-cleanup_work:
 	mutex_unlock(&dev->struct_mutex);
 
 	spin_lock_irqsave(&dev->event_lock, flags);
@@ -7656,6 +7770,31 @@
 		else
 			dev_priv->display.get_fifo_size = i830_get_fifo_size;
 	}
+
+	/* Default just returns -ENODEV to indicate unsupported */
+	dev_priv->display.queue_flip = intel_default_queue_flip;
+
+	switch (INTEL_INFO(dev)->gen) {
+	case 2:
+		dev_priv->display.queue_flip = intel_gen2_queue_flip;
+		break;
+
+	case 3:
+		dev_priv->display.queue_flip = intel_gen3_queue_flip;
+		break;
+
+	case 4:
+	case 5:
+		dev_priv->display.queue_flip = intel_gen4_queue_flip;
+		break;
+
+	case 6:
+		dev_priv->display.queue_flip = intel_gen6_queue_flip;
+		break;
+	case 7:
+		dev_priv->display.queue_flip = intel_gen7_queue_flip;
+		break;
+	}
 }
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index 1aba85c..3fc5fa1 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -104,7 +104,7 @@
 static bool radeon_atrm_get_bios(struct radeon_device *rdev)
 {
 	int ret;
-	int size = 64 * 1024;
+	int size = 256 * 1024;
 	int i;
 
 	if (!radeon_atrm_supported(rdev->pdev))
diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c
index dd39c1e..26c352a 100644
--- a/drivers/i2c/busses/i2c-taos-evm.c
+++ b/drivers/i2c/busses/i2c-taos-evm.c
@@ -234,7 +234,7 @@
 
 	if (taos->state != TAOS_STATE_IDLE) {
 		err = -ENODEV;
-		dev_dbg(&serio->dev, "TAOS EVM reset failed (state=%d, "
+		dev_err(&serio->dev, "TAOS EVM reset failed (state=%d, "
 			"pos=%d)\n", taos->state, taos->pos);
 		goto exit_close;
 	}
@@ -255,7 +255,7 @@
 					 msecs_to_jiffies(250));
 	if (taos->state != TAOS_STATE_IDLE) {
 		err = -ENODEV;
-		dev_err(&adapter->dev, "Echo off failed "
+		dev_err(&serio->dev, "TAOS EVM echo off failed "
 			"(state=%d)\n", taos->state);
 		goto exit_close;
 	}
@@ -263,7 +263,7 @@
 	err = i2c_add_adapter(adapter);
 	if (err)
 		goto exit_close;
-	dev_dbg(&serio->dev, "Connected to TAOS EVM\n");
+	dev_info(&serio->dev, "Connected to TAOS EVM\n");
 
 	taos->client = taos_instantiate_device(adapter);
 	return 0;
@@ -288,7 +288,7 @@
 	serio_set_drvdata(serio, NULL);
 	kfree(taos);
 
-	dev_dbg(&serio->dev, "Disconnected from TAOS EVM\n");
+	dev_info(&serio->dev, "Disconnected from TAOS EVM\n");
 }
 
 static struct serio_device_id taos_serio_ids[] = {
diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c
index 54e1ce7..6f89536 100644
--- a/drivers/i2c/muxes/pca954x.c
+++ b/drivers/i2c/muxes/pca954x.c
@@ -201,10 +201,11 @@
 
 	i2c_set_clientdata(client, data);
 
-	/* Read the mux register at addr to verify
-	 * that the mux is in fact present.
+	/* Write the mux register at addr to verify
+	 * that the mux is in fact present. This also
+	 * initializes the mux to disconnected state.
 	 */
-	if (i2c_smbus_read_byte(client) < 0) {
+	if (i2c_smbus_write_byte(client, 0) < 0) {
 		dev_warn(&client->dev, "probe failed\n");
 		goto exit_free;
 	}
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4332fc2..91e31e2 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7088,6 +7088,7 @@
 		list_for_each_entry(rdev, &mddev->disks, same_set) {
 			if (rdev->raid_disk >= 0 &&
 			    !test_bit(In_sync, &rdev->flags) &&
+			    !test_bit(Faulty, &rdev->flags) &&
 			    !test_bit(Blocked, &rdev->flags))
 				spares++;
 			if (rdev->raid_disk < 0
diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index bb6f925..374dfcf 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -317,7 +317,8 @@
  *				a master, channel ID address
  *				used to write to PTI HW.
  *
- * @mc: master, channel apeture ID address to be released.
+ * @mc: master, channel apeture ID address to be released.  This
+ *      will de-allocate the structure via kfree().
  */
 void pti_release_masterchannel(struct pti_masterchannel *mc)
 {
@@ -475,8 +476,10 @@
 		else
 			pti_tty_data->mc = pti_request_masterchannel(2);
 
-		if (pti_tty_data->mc == NULL)
+		if (pti_tty_data->mc == NULL) {
+			kfree(pti_tty_data);
 			return -ENXIO;
+		}
 		tty->driver_data = pti_tty_data;
 	}
 
@@ -495,7 +498,7 @@
 	if (pti_tty_data == NULL)
 		return;
 	pti_release_masterchannel(pti_tty_data->mc);
-	kfree(tty->driver_data);
+	kfree(pti_tty_data);
 	tty->driver_data = NULL;
 }
 
@@ -581,7 +584,7 @@
 static int pti_char_release(struct inode *inode, struct file *filp)
 {
 	pti_release_masterchannel(filp->private_data);
-	kfree(filp->private_data);
+	filp->private_data = NULL;
 	return 0;
 }
 
diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index f91f82e..54c91ff 100644
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -605,7 +605,7 @@
 	pr_debug("%s: %d ", __func__, proto->chnl_id);
 
 	st_kim_ref(&st_gdata, 0);
-	if (proto->chnl_id >= ST_MAX_CHANNELS) {
+	if (!st_gdata || proto->chnl_id >= ST_MAX_CHANNELS) {
 		pr_err(" chnl_id %d not supported", proto->chnl_id);
 		return -EPROTONOSUPPORT;
 	}
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 5da93ee..38fd2f0 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -245,9 +245,9 @@
 		pr_err("invalid action after change remote baud command");
 	} else {
 		*ptr = *ptr + sizeof(struct bts_action) +
-			((struct bts_action *)nxt_action)->size;
+			((struct bts_action *)cur_action)->size;
 		*len = *len - (sizeof(struct bts_action) +
-				((struct bts_action *)nxt_action)->size);
+				((struct bts_action *)cur_action)->size);
 		/* warn user on not commenting these in firmware */
 		pr_warn("skipping the wait event of change remote baud");
 	}
@@ -604,6 +604,10 @@
 	struct kim_data_s	*kim_gdata;
 	/* get kim_gdata reference from platform device */
 	pdev = st_get_plat_device(id);
+	if (!pdev) {
+		*core_data = NULL;
+		return;
+	}
 	kim_gdata = dev_get_drvdata(&pdev->dev);
 	*core_data = kim_gdata->core_data;
 }
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 0bb254c..33d8aad 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -339,9 +339,9 @@
 		                    (FIR_OP_UA  << FIR_OP1_SHIFT) |
 		                    (FIR_OP_RBW << FIR_OP2_SHIFT));
 		out_be32(&lbc->fcr, NAND_CMD_READID << FCR_CMD0_SHIFT);
-		/* 5 bytes for manuf, device and exts */
-		out_be32(&lbc->fbcr, 5);
-		elbc_fcm_ctrl->read_bytes = 5;
+		/* nand_get_flash_type() reads 8 bytes of entire ID string */
+		out_be32(&lbc->fbcr, 8);
+		elbc_fcm_ctrl->read_bytes = 8;
 		elbc_fcm_ctrl->use_mdr = 1;
 		elbc_fcm_ctrl->mdr = 0;
 
diff --git a/drivers/staging/brcm80211/Kconfig b/drivers/staging/brcm80211/Kconfig
index f4cf9b2..379cf16 100644
--- a/drivers/staging/brcm80211/Kconfig
+++ b/drivers/staging/brcm80211/Kconfig
@@ -7,6 +7,7 @@
 	default n
 	depends on PCI
 	depends on WLAN && MAC80211
+	depends on X86 || MIPS
 	select BRCMUTIL
 	select FW_LOADER
 	select CRC_CCITT
@@ -20,6 +21,7 @@
 	default n
 	depends on MMC
 	depends on WLAN && CFG80211
+	depends on X86 || MIPS
 	select BRCMUTIL
 	select FW_LOADER
 	select WIRELESS_EXT
diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index 1502d80..20008a4 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -2,6 +2,7 @@
 	tristate "Data acquisition support (comedi)"
 	default N
 	depends on m
+	depends on BROKEN || FRV || M32R || MN10300 || SUPERH || TILE || X86
 	---help---
 	  Enable support a wide range of data acquisition devices
 	  for Linux.
@@ -160,6 +161,7 @@
 
 config COMEDI_PCL812
 	tristate "Advantech PCL-812/813 and ADlink ACL-8112/8113/8113/8216"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for Advantech PCL-812/PG, PCL-813/B, ADLink
@@ -171,6 +173,7 @@
 
 config COMEDI_PCL816
 	tristate "Advantech PCL-814 and PCL-816 ISA card support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for Advantech PCL-814 and PCL-816 ISA cards
@@ -180,6 +183,7 @@
 
 config COMEDI_PCL818
 	tristate "Advantech PCL-718 and PCL-818 ISA card support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for Advantech PCL-818 ISA cards
@@ -269,6 +273,7 @@
 
 config COMEDI_DAS1800
 	tristate "DAS1800 and compatible ISA card support"
+	depends on VIRT_TO_BUS
 	select COMEDI_FC
 	default N
 	---help---
@@ -340,6 +345,7 @@
 config COMEDI_DT282X
 	tristate "Data Translation DT2821 series and DT-EZ ISA card support"
 	select COMEDI_FC
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for Data Translation DT2821 series including DT-EZ
@@ -419,6 +425,7 @@
 config COMEDI_NI_AT_A2150
 	tristate "NI AT-A2150 ISA card support"
 	depends on COMEDI_NI_COMMON
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for National Instruments AT-A2150 cards
@@ -536,6 +543,7 @@
 
 config COMEDI_ADDI_APCI_035
 	tristate "ADDI-DATA APCI_035 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_035 cards
@@ -545,6 +553,7 @@
 
 config COMEDI_ADDI_APCI_1032
 	tristate "ADDI-DATA APCI_1032 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_1032 cards
@@ -554,6 +563,7 @@
 
 config COMEDI_ADDI_APCI_1500
 	tristate "ADDI-DATA APCI_1500 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_1500 cards
@@ -563,6 +573,7 @@
 
 config COMEDI_ADDI_APCI_1516
 	tristate "ADDI-DATA APCI_1516 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_1516 cards
@@ -572,6 +583,7 @@
 
 config COMEDI_ADDI_APCI_1564
 	tristate "ADDI-DATA APCI_1564 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_1564 cards
@@ -581,6 +593,7 @@
 
 config COMEDI_ADDI_APCI_16XX
 	tristate "ADDI-DATA APCI_16xx support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_16xx cards
@@ -590,6 +603,7 @@
 
 config COMEDI_ADDI_APCI_2016
 	tristate "ADDI-DATA APCI_2016 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_2016 cards
@@ -599,6 +613,7 @@
 
 config COMEDI_ADDI_APCI_2032
 	tristate "ADDI-DATA APCI_2032 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_2032 cards
@@ -608,6 +623,7 @@
 
 config COMEDI_ADDI_APCI_2200
 	tristate "ADDI-DATA APCI_2200 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_2200 cards
@@ -617,6 +633,7 @@
 
 config COMEDI_ADDI_APCI_3001
 	tristate "ADDI-DATA APCI_3001 support"
+	depends on VIRT_TO_BUS
 	select COMEDI_FC
 	default N
 	---help---
@@ -627,6 +644,7 @@
 
 config COMEDI_ADDI_APCI_3120
 	tristate "ADDI-DATA APCI_3520 support"
+	depends on VIRT_TO_BUS
 	select COMEDI_FC
 	default N
 	---help---
@@ -637,6 +655,7 @@
 
 config COMEDI_ADDI_APCI_3501
 	tristate "ADDI-DATA APCI_3501 support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_3501 cards
@@ -646,6 +665,7 @@
 
 config COMEDI_ADDI_APCI_3XXX
 	tristate "ADDI-DATA APCI_3xxx support"
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADDI-DATA APCI_3xxx cards
@@ -712,6 +732,7 @@
 config COMEDI_ADL_PCI9118
 	tristate "ADLink PCI-9118DG, PCI-9118HG, PCI-9118HR support"
 	select COMEDI_FC
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for ADlink PCI-9118DG, PCI-9118HG, PCI-9118HR cards
@@ -1287,6 +1308,7 @@
 	depends on COMEDI_MITE
 	select COMEDI_8255
 	select COMEDI_FC
+	depends on VIRT_TO_BUS
 	default N
 	---help---
 	  Enable support for National Instruments Lab-PC and compatibles
diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index f96d5b5..d329635 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig IIO
 	tristate "Industrial I/O support"
-	depends on !S390
+	depends on GENERIC_HARDIRQS
 	help
 	  The industrial I/O subsystem provides a unified framework for
 	  drivers for many different types of embedded sensors using a
diff --git a/drivers/staging/iio/accel/adis16204.h b/drivers/staging/iio/accel/adis16204.h
index 5310a42..1690c0d 100644
--- a/drivers/staging/iio/accel/adis16204.h
+++ b/drivers/staging/iio/accel/adis16204.h
@@ -84,7 +84,6 @@
 
 int adis16204_set_irq(struct iio_dev *indio_dev, bool enable);
 
-#ifdef CONFIG_IIO_RING_BUFFER
 enum adis16204_scan {
 	ADIS16204_SCAN_SUPPLY,
 	ADIS16204_SCAN_ACC_X,
@@ -93,6 +92,7 @@
 	ADIS16204_SCAN_TEMP,
 };
 
+#ifdef CONFIG_IIO_RING_BUFFER
 void adis16204_remove_trigger(struct iio_dev *indio_dev);
 int adis16204_probe_trigger(struct iio_dev *indio_dev);
 
diff --git a/drivers/staging/iio/accel/adis16209.h b/drivers/staging/iio/accel/adis16209.h
index 58d08db..3153cbe 100644
--- a/drivers/staging/iio/accel/adis16209.h
+++ b/drivers/staging/iio/accel/adis16209.h
@@ -121,8 +121,6 @@
 
 int adis16209_set_irq(struct iio_dev *indio_dev, bool enable);
 
-#ifdef CONFIG_IIO_RING_BUFFER
-
 #define ADIS16209_SCAN_SUPPLY	0
 #define ADIS16209_SCAN_ACC_X	1
 #define ADIS16209_SCAN_ACC_Y	2
@@ -132,6 +130,8 @@
 #define ADIS16209_SCAN_INCLI_Y	6
 #define ADIS16209_SCAN_ROT	7
 
+#ifdef CONFIG_IIO_RING_BUFFER
+
 void adis16209_remove_trigger(struct iio_dev *indio_dev);
 int adis16209_probe_trigger(struct iio_dev *indio_dev);
 
diff --git a/drivers/staging/iio/gyro/adis16260.h b/drivers/staging/iio/gyro/adis16260.h
index 702dc98..24bf70e 100644
--- a/drivers/staging/iio/gyro/adis16260.h
+++ b/drivers/staging/iio/gyro/adis16260.h
@@ -104,7 +104,6 @@
 
 int adis16260_set_irq(struct iio_dev *indio_dev, bool enable);
 
-#ifdef CONFIG_IIO_RING_BUFFER
 /* At the moment triggers are only used for ring buffer
  * filling. This may change!
  */
@@ -115,6 +114,7 @@
 #define ADIS16260_SCAN_TEMP	3
 #define ADIS16260_SCAN_ANGL	4
 
+#ifdef CONFIG_IIO_RING_BUFFER
 void adis16260_remove_trigger(struct iio_dev *indio_dev);
 int adis16260_probe_trigger(struct iio_dev *indio_dev);
 
diff --git a/drivers/staging/iio/imu/adis16400.h b/drivers/staging/iio/imu/adis16400.h
index db184d1..e87715b 100644
--- a/drivers/staging/iio/imu/adis16400.h
+++ b/drivers/staging/iio/imu/adis16400.h
@@ -158,7 +158,6 @@
 
 int adis16400_set_irq(struct iio_dev *indio_dev, bool enable);
 
-#ifdef CONFIG_IIO_RING_BUFFER
 /* At the moment triggers are only used for ring buffer
  * filling. This may change!
  */
@@ -182,6 +181,7 @@
 #define ADIS16300_SCAN_INCLI_X	12
 #define ADIS16300_SCAN_INCLI_Y	13
 
+#ifdef CONFIG_IIO_RING_BUFFER
 void adis16400_remove_trigger(struct iio_dev *indio_dev);
 int adis16400_probe_trigger(struct iio_dev *indio_dev);
 
diff --git a/drivers/staging/mei/init.c b/drivers/staging/mei/init.c
index d1ffa32..685fcf6 100644
--- a/drivers/staging/mei/init.c
+++ b/drivers/staging/mei/init.c
@@ -189,7 +189,7 @@
 		mutex_lock(&dev->device_lock);
 	}
 
-	if (!err && !dev->recvd_msg) {
+	if (err <= 0 && !dev->recvd_msg) {
 		dev->mei_state = MEI_DISABLED;
 		dev_dbg(&dev->pdev->dev,
 			"wait_event_interruptible_timeout failed"
diff --git a/drivers/staging/mei/wd.c b/drivers/staging/mei/wd.c
index 2564b03..fff53d0 100644
--- a/drivers/staging/mei/wd.c
+++ b/drivers/staging/mei/wd.c
@@ -169,10 +169,15 @@
 	ret = wait_event_interruptible_timeout(dev->wait_stop_wd,
 					dev->wd_stopped, 10 * HZ);
 	mutex_lock(&dev->device_lock);
-	if (!dev->wd_stopped)
-		dev_dbg(&dev->pdev->dev, "stop wd failed to complete.\n");
-	else
-		dev_dbg(&dev->pdev->dev, "stop wd complete.\n");
+	if (dev->wd_stopped) {
+		dev_dbg(&dev->pdev->dev, "stop wd complete ret=%d.\n", ret);
+		ret = 0;
+	} else {
+		if (!ret)
+			ret = -ETIMEDOUT;
+		dev_warn(&dev->pdev->dev,
+			"stop wd failed to complete ret=%d.\n", ret);
+	}
 
 	if (preserve)
 		dev->wd_timeout = wd_timeout;
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 09e8c7d..19b4ae0 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -875,7 +875,8 @@
 		*dp++ = last << 7 | first << 6 | 1;	/* EA */
 		len--;
 	}
-	memcpy(dp, skb_pull(dlci->skb, len), len);
+	memcpy(dp, dlci->skb->data, len);
+	skb_pull(dlci->skb, len);
 	__gsm_data_queue(dlci, msg);
 	if (last)
 		dlci->skb = NULL;
@@ -984,10 +985,22 @@
  */
 
 static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci,
-							u32 modem)
+							u32 modem, int clen)
 {
 	int  mlines = 0;
-	u8 brk = modem >> 6;
+	u8 brk = 0;
+
+	/* The modem status command can either contain one octet (v.24 signals)
+	   or two octets (v.24 signals + break signals). The length field will
+	   either be 2 or 3 respectively. This is specified in section
+	   5.4.6.3.7 of the  27.010 mux spec. */
+
+	if (clen == 2)
+		modem = modem & 0x7f;
+	else {
+		brk = modem & 0x7f;
+		modem = (modem >> 7) & 0x7f;
+	};
 
 	/* Flow control/ready to communicate */
 	if (modem & MDM_FC) {
@@ -1061,7 +1074,7 @@
 			return;
 	}
 	tty = tty_port_tty_get(&dlci->port);
-	gsm_process_modem(tty, dlci, modem);
+	gsm_process_modem(tty, dlci, modem, clen);
 	if (tty) {
 		tty_wakeup(tty);
 		tty_kref_put(tty);
@@ -1482,12 +1495,13 @@
  *	open we shovel the bits down it, if not we drop them.
  */
 
-static void gsm_dlci_data(struct gsm_dlci *dlci, u8 *data, int len)
+static void gsm_dlci_data(struct gsm_dlci *dlci, u8 *data, int clen)
 {
 	/* krefs .. */
 	struct tty_port *port = &dlci->port;
 	struct tty_struct *tty = tty_port_tty_get(port);
 	unsigned int modem = 0;
+	int len = clen;
 
 	if (debug & 16)
 		pr_debug("%d bytes for tty %p\n", len, tty);
@@ -1507,7 +1521,7 @@
 				if (len == 0)
 					return;
 			}
-			gsm_process_modem(tty, dlci, modem);
+			gsm_process_modem(tty, dlci, modem, clen);
 		/* Line state will go via DLCI 0 controls only */
 		case 1:
 		default:
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 0ad3288..c3954fb 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1815,6 +1815,7 @@
 			/* FIXME: does n_tty_set_room need locking ? */
 			n_tty_set_room(tty);
 			timeout = schedule_timeout(timeout);
+			BUG_ON(!tty->read_buf);
 			continue;
 		}
 		__set_current_state(TASK_RUNNING);
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index b40f7b9..b4129f5 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -3318,6 +3318,7 @@
 		uart->port.flags &= ~UPF_BOOT_AUTOCONF;
 		uart->port.type = PORT_UNKNOWN;
 		uart->port.dev = &serial8250_isa_devs->dev;
+		uart->capabilities = uart_config[uart->port.type].flags;
 		uart_add_one_port(&serial8250_reg, &uart->port);
 	} else {
 		uart->port.dev = NULL;
diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c
index 78e98a5..f41b425 100644
--- a/drivers/tty/serial/8250_pci.c
+++ b/drivers/tty/serial/8250_pci.c
@@ -994,6 +994,15 @@
 	return pci_default_setup(priv, board, port, idx);
 }
 
+static int pci_eg20t_init(struct pci_dev *dev)
+{
+#if defined(CONFIG_SERIAL_PCH_UART) || defined(CONFIG_SERIAL_PCH_UART_MODULE)
+	return -ENODEV;
+#else
+	return 0;
+#endif
+}
+
 /* This should be in linux/pci_ids.h */
 #define PCI_VENDOR_ID_SBSMODULARIO	0x124B
 #define PCI_SUBVENDOR_ID_SBSMODULARIO	0x124B
@@ -1446,6 +1455,56 @@
 		.init			= pci_oxsemi_tornado_init,
 		.setup		= pci_default_setup,
 	},
+	{
+		.vendor         = PCI_VENDOR_ID_INTEL,
+		.device         = 0x8811,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = PCI_VENDOR_ID_INTEL,
+		.device         = 0x8812,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = PCI_VENDOR_ID_INTEL,
+		.device         = 0x8813,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = PCI_VENDOR_ID_INTEL,
+		.device         = 0x8814,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = 0x10DB,
+		.device         = 0x8027,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = 0x10DB,
+		.device         = 0x8028,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = 0x10DB,
+		.device         = 0x8029,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = 0x10DB,
+		.device         = 0x800C,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = 0x10DB,
+		.device         = 0x800D,
+		.init		= pci_eg20t_init,
+	},
+	{
+		.vendor         = 0x10DB,
+		.device         = 0x800D,
+		.init		= pci_eg20t_init,
+	},
 	/*
 	 * Cronyx Omega PCI (PLX-chip based)
 	 */
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 8dc0541..f5f6831 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -50,6 +50,7 @@
 #include <linux/dmaengine.h>
 #include <linux/dma-mapping.h>
 #include <linux/scatterlist.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/sizes.h>
@@ -65,6 +66,30 @@
 #define UART_DR_ERROR		(UART011_DR_OE|UART011_DR_BE|UART011_DR_PE|UART011_DR_FE)
 #define UART_DUMMY_DR_RX	(1 << 16)
 
+
+#define UART_WA_SAVE_NR 14
+
+static void pl011_lockup_wa(unsigned long data);
+static const u32 uart_wa_reg[UART_WA_SAVE_NR] = {
+	ST_UART011_DMAWM,
+	ST_UART011_TIMEOUT,
+	ST_UART011_LCRH_RX,
+	UART011_IBRD,
+	UART011_FBRD,
+	ST_UART011_LCRH_TX,
+	UART011_IFLS,
+	ST_UART011_XFCR,
+	ST_UART011_XON1,
+	ST_UART011_XON2,
+	ST_UART011_XOFF1,
+	ST_UART011_XOFF2,
+	UART011_CR,
+	UART011_IMSC
+};
+
+static u32 uart_wa_regdata[UART_WA_SAVE_NR];
+static DECLARE_TASKLET(pl011_lockup_tlet, pl011_lockup_wa, 0);
+
 /* There is by now at least one vendor with differing details, so handle it */
 struct vendor_data {
 	unsigned int		ifls;
@@ -72,6 +97,7 @@
 	unsigned int		lcrh_tx;
 	unsigned int		lcrh_rx;
 	bool			oversampling;
+	bool			interrupt_may_hang;   /* vendor-specific */
 	bool			dma_threshold;
 };
 
@@ -90,9 +116,12 @@
 	.lcrh_tx		= ST_UART011_LCRH_TX,
 	.lcrh_rx		= ST_UART011_LCRH_RX,
 	.oversampling		= true,
+	.interrupt_may_hang	= true,
 	.dma_threshold		= true,
 };
 
+static struct uart_amba_port *amba_ports[UART_NR];
+
 /* Deals with DMA transactions */
 
 struct pl011_sgbuf {
@@ -132,6 +161,7 @@
 	unsigned int		lcrh_rx;	/* vendor-specific */
 	bool			autorts;
 	char			type[12];
+	bool			interrupt_may_hang; /* vendor-specific */
 #ifdef CONFIG_DMA_ENGINE
 	/* DMA stuff */
 	bool			using_tx_dma;
@@ -1008,6 +1038,68 @@
 #endif
 
 
+/*
+ * pl011_lockup_wa
+ * This workaround aims to break the deadlock situation
+ * when after long transfer over uart in hardware flow
+ * control, uart interrupt registers cannot be cleared.
+ * Hence uart transfer gets blocked.
+ *
+ * It is seen that during such deadlock condition ICR
+ * don't get cleared even on multiple write. This leads
+ * pass_counter to decrease and finally reach zero. This
+ * can be taken as trigger point to run this UART_BT_WA.
+ *
+ */
+static void pl011_lockup_wa(unsigned long data)
+{
+	struct uart_amba_port *uap = amba_ports[0];
+	void __iomem *base = uap->port.membase;
+	struct circ_buf *xmit = &uap->port.state->xmit;
+	struct tty_struct *tty = uap->port.state->port.tty;
+	int buf_empty_retries = 200;
+	int loop;
+
+	/* Stop HCI layer from submitting data for tx */
+	tty->hw_stopped = 1;
+	while (!uart_circ_empty(xmit)) {
+		if (buf_empty_retries-- == 0)
+			break;
+		udelay(100);
+	}
+
+	/* Backup registers */
+	for (loop = 0; loop < UART_WA_SAVE_NR; loop++)
+		uart_wa_regdata[loop] = readl(base + uart_wa_reg[loop]);
+
+	/* Disable UART so that FIFO data is flushed out */
+	writew(0x00, uap->port.membase + UART011_CR);
+
+	/* Soft reset UART module */
+	if (uap->port.dev->platform_data) {
+		struct amba_pl011_data *plat;
+
+		plat = uap->port.dev->platform_data;
+		if (plat->reset)
+			plat->reset();
+	}
+
+	/* Restore registers */
+	for (loop = 0; loop < UART_WA_SAVE_NR; loop++)
+		writew(uart_wa_regdata[loop] ,
+				uap->port.membase + uart_wa_reg[loop]);
+
+	/* Initialise the old status of the modem signals */
+	uap->old_status = readw(uap->port.membase + UART01x_FR) &
+		UART01x_FR_MODEM_ANY;
+
+	if (readl(base + UART011_MIS) & 0x2)
+		printk(KERN_EMERG "UART_BT_WA: ***FAILED***\n");
+
+	/* Start Tx/Rx */
+	tty->hw_stopped = 0;
+}
+
 static void pl011_stop_tx(struct uart_port *port)
 {
 	struct uart_amba_port *uap = (struct uart_amba_port *)port;
@@ -1158,8 +1250,11 @@
 			if (status & UART011_TXIS)
 				pl011_tx_chars(uap);
 
-			if (pass_counter-- == 0)
+			if (pass_counter-- == 0) {
+				if (uap->interrupt_may_hang)
+					tasklet_schedule(&pl011_lockup_tlet);
 				break;
+			}
 
 			status = readw(uap->port.membase + UART011_MIS);
 		} while (status != 0);
@@ -1339,6 +1434,14 @@
 	writew(uap->im, uap->port.membase + UART011_IMSC);
 	spin_unlock_irq(&uap->port.lock);
 
+	if (uap->port.dev->platform_data) {
+		struct amba_pl011_data *plat;
+
+		plat = uap->port.dev->platform_data;
+		if (plat->init)
+			plat->init();
+	}
+
 	return 0;
 
  clk_dis:
@@ -1394,6 +1497,15 @@
 	 * Shut down the clock producer
 	 */
 	clk_disable(uap->clk);
+
+	if (uap->port.dev->platform_data) {
+		struct amba_pl011_data *plat;
+
+		plat = uap->port.dev->platform_data;
+		if (plat->exit)
+			plat->exit();
+	}
+
 }
 
 static void
@@ -1700,6 +1812,14 @@
 	if (!uap)
 		return -ENODEV;
 
+	if (uap->port.dev->platform_data) {
+		struct amba_pl011_data *plat;
+
+		plat = uap->port.dev->platform_data;
+		if (plat->init)
+			plat->init();
+	}
+
 	uap->port.uartclk = clk_get_rate(uap->clk);
 
 	if (options)
@@ -1774,6 +1894,7 @@
 	uap->lcrh_rx = vendor->lcrh_rx;
 	uap->lcrh_tx = vendor->lcrh_tx;
 	uap->fifosize = vendor->fifosize;
+	uap->interrupt_may_hang = vendor->interrupt_may_hang;
 	uap->port.dev = &dev->dev;
 	uap->port.mapbase = dev->res.start;
 	uap->port.membase = base;
diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c
index a1a0e55..c0b68b9 100644
--- a/drivers/tty/serial/bcm63xx_uart.c
+++ b/drivers/tty/serial/bcm63xx_uart.c
@@ -250,6 +250,20 @@
 		/* get overrun/fifo empty information from ier
 		 * register */
 		iestat = bcm_uart_readl(port, UART_IR_REG);
+
+		if (unlikely(iestat & UART_IR_STAT(UART_IR_RXOVER))) {
+			unsigned int val;
+
+			/* fifo reset is required to clear
+			 * interrupt */
+			val = bcm_uart_readl(port, UART_CTL_REG);
+			val |= UART_CTL_RSTRXFIFO_MASK;
+			bcm_uart_writel(port, val, UART_CTL_REG);
+
+			port->icount.overrun++;
+			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+		}
+
 		if (!(iestat & UART_IR_STAT(UART_IR_RXNOTEMPTY)))
 			break;
 
@@ -284,10 +298,6 @@
 		if (uart_handle_sysrq_char(port, c))
 			continue;
 
-		if (unlikely(iestat & UART_IR_STAT(UART_IR_RXOVER))) {
-			port->icount.overrun++;
-			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-		}
 
 		if ((cstat & port->ignore_status_mask) == 0)
 			tty_insert_flip_char(tty, c, flag);
diff --git a/drivers/tty/serial/jsm/jsm_driver.c b/drivers/tty/serial/jsm/jsm_driver.c
index 18f5484..96da178 100644
--- a/drivers/tty/serial/jsm/jsm_driver.c
+++ b/drivers/tty/serial/jsm/jsm_driver.c
@@ -125,7 +125,7 @@
 	brd->bd_uart_offset = 0x200;
 	brd->bd_dividend = 921600;
 
-	brd->re_map_membase = ioremap(brd->membase, 0x1000);
+	brd->re_map_membase = ioremap(brd->membase, pci_resource_len(pdev, 0));
 	if (!brd->re_map_membase) {
 		dev_err(&pdev->dev,
 			"card has no PCI Memory resources, "
diff --git a/drivers/tty/serial/s5pv210.c b/drivers/tty/serial/s5pv210.c
index fb2619f..dd194dc 100644
--- a/drivers/tty/serial/s5pv210.c
+++ b/drivers/tty/serial/s5pv210.c
@@ -30,7 +30,7 @@
 	struct s3c2410_uartcfg *cfg = port->dev->platform_data;
 	unsigned long ucon = rd_regl(port, S3C2410_UCON);
 
-	if ((cfg->clocks_size) == 1)
+	if (cfg->flags & NO_NEED_CHECK_CLKSRC)
 		return 0;
 
 	if (strcmp(clk->name, "pclk") == 0)
@@ -55,7 +55,7 @@
 
 	clk->divisor = 1;
 
-	if ((cfg->clocks_size) == 1)
+	if (cfg->flags & NO_NEED_CHECK_CLKSRC)
 		return 0;
 
 	switch (ucon & S5PV210_UCON_CLKMASK) {
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 5d01d32..ef925d5 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -555,7 +555,7 @@
 static int tty_ldisc_wait_idle(struct tty_struct *tty)
 {
 	int ret;
-	ret = wait_event_interruptible_timeout(tty_ldisc_idle,
+	ret = wait_event_timeout(tty_ldisc_idle,
 			atomic_read(&tty->ldisc->users) == 1, 5 * HZ);
 	if (ret < 0)
 		return ret;
@@ -763,6 +763,8 @@
 	if (IS_ERR(ld))
 		return -1;
 
+	WARN_ON_ONCE(tty_ldisc_wait_idle(tty));
+
 	tty_ldisc_close(tty, tty->ldisc);
 	tty_ldisc_put(tty->ldisc);
 	tty->ldisc = NULL;
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index aa3cc46..34e3da5 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1187,13 +1187,22 @@
 		for (i = n - 1; i >= 0; --i) {
 			intf = udev->actconfig->interface[i];
 			status = usb_suspend_interface(udev, intf, msg);
+
+			/* Ignore errors during system sleep transitions */
+			if (!(msg.event & PM_EVENT_AUTO))
+				status = 0;
 			if (status != 0)
 				break;
 		}
 	}
-	if (status == 0)
+	if (status == 0) {
 		status = usb_suspend_device(udev, msg);
 
+		/* Again, ignore errors during system sleep transitions */
+		if (!(msg.event & PM_EVENT_AUTO))
+			status = 0;
+	}
+
 	/* If the suspend failed, resume interfaces that did get suspended */
 	if (status != 0) {
 		msg.event ^= (PM_EVENT_SUSPEND | PM_EVENT_RESUME);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 90ae175..a428aa0 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1634,6 +1634,7 @@
 {
 	struct usb_device	*udev = *pdev;
 	int			i;
+	struct usb_hcd		*hcd = bus_to_hcd(udev->bus);
 
 	if (!udev) {
 		pr_debug ("%s nodev\n", __func__);
@@ -1661,7 +1662,9 @@
 	 * so that the hardware is now fully quiesced.
 	 */
 	dev_dbg (&udev->dev, "unregistering device\n");
+	mutex_lock(hcd->bandwidth_mutex);
 	usb_disable_device(udev, 0);
+	mutex_unlock(hcd->bandwidth_mutex);
 	usb_hcd_synchronize_unlinks(udev);
 
 	usb_remove_ep_devs(&udev->ep0);
@@ -2362,6 +2365,10 @@
 				USB_DEVICE_REMOTE_WAKEUP, 0,
 				NULL, 0,
 				USB_CTRL_SET_TIMEOUT);
+
+		/* System sleep transitions should never fail */
+		if (!(msg.event & PM_EVENT_AUTO))
+			status = 0;
 	} else {
 		/* device has up to 10 msec to fully suspend */
 		dev_dbg(&udev->dev, "usb %ssuspend\n",
@@ -2611,16 +2618,15 @@
 	struct usb_device	*hdev = hub->hdev;
 	unsigned		port1;
 
-	/* fail if children aren't already suspended */
+	/* Warn if children aren't already suspended */
 	for (port1 = 1; port1 <= hdev->maxchild; port1++) {
 		struct usb_device	*udev;
 
 		udev = hdev->children [port1-1];
 		if (udev && udev->can_submit) {
-			if (!(msg.event & PM_EVENT_AUTO))
-				dev_dbg(&intf->dev, "port %d nyet suspended\n",
-						port1);
-			return -EBUSY;
+			dev_warn(&intf->dev, "port %d nyet suspended\n", port1);
+			if (msg.event & PM_EVENT_AUTO)
+				return -EBUSY;
 		}
 	}
 
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 5701e85..64c7ab4 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1135,10 +1135,13 @@
  * Deallocates hcd/hardware state for the endpoints (nuking all or most
  * pending urbs) and usbcore state for the interfaces, so that usbcore
  * must usb_set_configuration() before any interfaces could be used.
+ *
+ * Must be called with hcd->bandwidth_mutex held.
  */
 void usb_disable_device(struct usb_device *dev, int skip_ep0)
 {
 	int i;
+	struct usb_hcd *hcd = bus_to_hcd(dev->bus);
 
 	/* getting rid of interfaces will disconnect
 	 * any drivers bound to them (a key side effect)
@@ -1172,6 +1175,16 @@
 
 	dev_dbg(&dev->dev, "%s nuking %s URBs\n", __func__,
 		skip_ep0 ? "non-ep0" : "all");
+	if (hcd->driver->check_bandwidth) {
+		/* First pass: Cancel URBs, leave endpoint pointers intact. */
+		for (i = skip_ep0; i < 16; ++i) {
+			usb_disable_endpoint(dev, i, false);
+			usb_disable_endpoint(dev, i + USB_DIR_IN, false);
+		}
+		/* Remove endpoints from the host controller internal state */
+		usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+		/* Second pass: remove endpoint pointers */
+	}
 	for (i = skip_ep0; i < 16; ++i) {
 		usb_disable_endpoint(dev, i, true);
 		usb_disable_endpoint(dev, i + USB_DIR_IN, true);
@@ -1727,6 +1740,7 @@
 	/* if it's already configured, clear out old state first.
 	 * getting rid of old interfaces means unbinding their drivers.
 	 */
+	mutex_lock(hcd->bandwidth_mutex);
 	if (dev->state != USB_STATE_ADDRESS)
 		usb_disable_device(dev, 1);	/* Skip ep0 */
 
@@ -1739,7 +1753,6 @@
 	 * host controller will not allow submissions to dropped endpoints.  If
 	 * this call fails, the device state is unchanged.
 	 */
-	mutex_lock(hcd->bandwidth_mutex);
 	ret = usb_hcd_alloc_bandwidth(dev, cp, NULL, NULL);
 	if (ret < 0) {
 		mutex_unlock(hcd->bandwidth_mutex);
diff --git a/drivers/usb/host/ehci-ath79.c b/drivers/usb/host/ehci-ath79.c
index 98cc8a1..aa248c2 100644
--- a/drivers/usb/host/ehci-ath79.c
+++ b/drivers/usb/host/ehci-ath79.c
@@ -44,7 +44,6 @@
 	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
 	struct platform_device *pdev = to_platform_device(hcd->self.controller);
 	const struct platform_device_id *id;
-	int hclength;
 	int ret;
 
 	id = platform_get_device_id(pdev);
@@ -53,20 +52,23 @@
 		return -EINVAL;
 	}
 
-	hclength = HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
 	switch (id->driver_data) {
 	case EHCI_ATH79_IP_V1:
 		ehci->has_synopsys_hc_bug = 1;
 
 		ehci->caps = hcd->regs;
-		ehci->regs = hcd->regs + hclength;
+		ehci->regs = hcd->regs +
+			HC_LENGTH(ehci,
+				  ehci_readl(ehci, &ehci->caps->hc_capbase));
 		break;
 
 	case EHCI_ATH79_IP_V2:
 		hcd->has_tt = 1;
 
 		ehci->caps = hcd->regs + 0x100;
-		ehci->regs = hcd->regs + 0x100 + hclength;
+		ehci->regs = hcd->regs + 0x100 +
+			HC_LENGTH(ehci,
+				  ehci_readl(ehci, &ehci->caps->hc_capbase));
 		break;
 
 	default:
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index b435ed6..f8030ee 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1,4 +1,8 @@
 /*
+ * Enhanced Host Controller Interface (EHCI) driver for USB.
+ *
+ * Maintainer: Alan Stern <stern@rowland.harvard.edu>
+ *
  * Copyright (c) 2000-2004 by David Brownell
  *
  * This program is free software; you can redistribute it and/or modify it
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index c9e6e45..55d3d58 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -1555,7 +1555,7 @@
 
 	/* We need to forcefully reclaim the slot since some transfers never
 	   return, e.g. interrupt transfers and NAKed bulk transfers. */
-	if (usb_pipebulk(urb->pipe)) {
+	if (usb_pipecontrol(urb->pipe) || usb_pipebulk(urb->pipe)) {
 		skip_map = reg_read32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG);
 		skip_map |= (1 << qh->slot);
 		reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, skip_map);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 9aa10bd..f9cf3f0 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1,5 +1,7 @@
 /*
- * OHCI HCD (Host Controller Driver) for USB.
+ * Open Host Controller Interface (OHCI) driver for USB.
+ *
+ * Maintainer: Alan Stern <stern@rowland.harvard.edu>
  *
  * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
  * (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index db6f8b9..4586369 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -2517,6 +2517,7 @@
 	INIT_LIST_HEAD(&r8a66597->child_device);
 
 	hcd->rsrc_start = res->start;
+	hcd->has_tt = 1;
 
 	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
 	if (ret != 0) {
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 0f8e1d2..fcb7f7e 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1215,8 +1215,6 @@
 		ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet));
 		/* dig out max burst from ep companion desc */
 		max_packet = ep->ss_ep_comp.bMaxBurst;
-		if (!max_packet)
-			xhci_warn(xhci, "WARN no SS endpoint bMaxBurst\n");
 		ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_packet));
 		break;
 	case USB_SPEED_HIGH:
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 17541d0..cb16de2 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -29,6 +29,9 @@
 #define PCI_VENDOR_ID_FRESCO_LOGIC	0x1b73
 #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK	0x1000
 
+#define PCI_VENDOR_ID_ETRON		0x1b6f
+#define PCI_DEVICE_ID_ASROCK_P67	0x7023
+
 static const char hcd_name[] = "xhci_hcd";
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -134,6 +137,11 @@
 		xhci->quirks |= XHCI_EP_LIMIT_QUIRK;
 		xhci->limit_active_eps = 64;
 	}
+	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
+			pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
+		xhci->quirks |= XHCI_RESET_ON_RESUME;
+		xhci_dbg(xhci, "QUIRK: Resetting on resume\n");
+	}
 
 	/* Make sure the HC is halted. */
 	retval = xhci_halt(xhci);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 800f417..70cacbb 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1733,6 +1733,7 @@
 		frame->status = -EOVERFLOW;
 		skip_td = true;
 		break;
+	case COMP_DEV_ERR:
 	case COMP_STALL:
 		frame->status = -EPROTO;
 		skip_td = true;
@@ -1767,9 +1768,6 @@
 		}
 	}
 
-	if ((idx == urb_priv->length - 1) && *status == -EINPROGRESS)
-		*status = 0;
-
 	return finish_td(xhci, td, event_trb, event, ep, status, false);
 }
 
@@ -1787,8 +1785,7 @@
 	idx = urb_priv->td_cnt;
 	frame = &td->urb->iso_frame_desc[idx];
 
-	/* The transfer is partly done */
-	*status = -EXDEV;
+	/* The transfer is partly done. */
 	frame->status = -EXDEV;
 
 	/* calc actual length */
@@ -2016,6 +2013,10 @@
 				 TRB_TO_SLOT_ID(le32_to_cpu(event->flags)),
 				 ep_index);
 		goto cleanup;
+	case COMP_DEV_ERR:
+		xhci_warn(xhci, "WARN: detect an incompatible device");
+		status = -EPROTO;
+		break;
 	case COMP_MISSED_INT:
 		/*
 		 * When encounter missed service error, one or more isoc tds
@@ -2063,6 +2064,20 @@
 		/* Is this a TRB in the currently executing TD? */
 		event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue,
 				td->last_trb, event_dma);
+
+		/*
+		 * Skip the Force Stopped Event. The event_trb(event_dma) of FSE
+		 * is not in the current TD pointed by ep_ring->dequeue because
+		 * that the hardware dequeue pointer still at the previous TRB
+		 * of the current TD. The previous TRB maybe a Link TD or the
+		 * last TRB of the previous TD. The command completion handle
+		 * will take care the rest.
+		 */
+		if (!event_seg && trb_comp_code == COMP_STOP_INVAL) {
+			ret = 0;
+			goto cleanup;
+		}
+
 		if (!event_seg) {
 			if (!ep->skip ||
 			    !usb_endpoint_xfer_isoc(&td->urb->ep->desc)) {
@@ -2158,6 +2173,11 @@
 						urb->transfer_buffer_length,
 						status);
 			spin_unlock(&xhci->lock);
+			/* EHCI, UHCI, and OHCI always unconditionally set the
+			 * urb->status of an isochronous endpoint to 0.
+			 */
+			if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS)
+				status = 0;
 			usb_hcd_giveback_urb(bus_to_hcd(urb->dev->bus), urb, status);
 			spin_lock(&xhci->lock);
 		}
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 06e7023..f5fe1ac 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -759,6 +759,8 @@
 		msleep(100);
 
 	spin_lock_irq(&xhci->lock);
+	if (xhci->quirks & XHCI_RESET_ON_RESUME)
+		hibernated = true;
 
 	if (!hibernated) {
 		/* step 1: restore register */
@@ -1401,6 +1403,7 @@
 	u32 added_ctxs;
 	unsigned int last_ctx;
 	u32 new_add_flags, new_drop_flags, new_slot_info;
+	struct xhci_virt_device *virt_dev;
 	int ret = 0;
 
 	ret = xhci_check_args(hcd, udev, ep, 1, true, __func__);
@@ -1425,11 +1428,25 @@
 		return 0;
 	}
 
-	in_ctx = xhci->devs[udev->slot_id]->in_ctx;
-	out_ctx = xhci->devs[udev->slot_id]->out_ctx;
+	virt_dev = xhci->devs[udev->slot_id];
+	in_ctx = virt_dev->in_ctx;
+	out_ctx = virt_dev->out_ctx;
 	ctrl_ctx = xhci_get_input_control_ctx(xhci, in_ctx);
 	ep_index = xhci_get_endpoint_index(&ep->desc);
 	ep_ctx = xhci_get_ep_ctx(xhci, out_ctx, ep_index);
+
+	/* If this endpoint is already in use, and the upper layers are trying
+	 * to add it again without dropping it, reject the addition.
+	 */
+	if (virt_dev->eps[ep_index].ring &&
+			!(le32_to_cpu(ctrl_ctx->drop_flags) &
+				xhci_get_endpoint_flag(&ep->desc))) {
+		xhci_warn(xhci, "Trying to add endpoint 0x%x "
+				"without dropping it.\n",
+				(unsigned int) ep->desc.bEndpointAddress);
+		return -EINVAL;
+	}
+
 	/* If the HCD has already noted the endpoint is enabled,
 	 * ignore this request.
 	 */
@@ -1445,8 +1462,7 @@
 	 * process context, not interrupt context (or so documenation
 	 * for usb_set_interface() and usb_set_configuration() claim).
 	 */
-	if (xhci_endpoint_init(xhci, xhci->devs[udev->slot_id],
-				udev, ep, GFP_NOIO) < 0) {
+	if (xhci_endpoint_init(xhci, virt_dev, udev, ep, GFP_NOIO) < 0) {
 		dev_dbg(&udev->dev, "%s - could not initialize ep %#x\n",
 				__func__, ep->desc.bEndpointAddress);
 		return -ENOMEM;
@@ -1537,6 +1553,11 @@
 				"and endpoint is not disabled.\n");
 		ret = -EINVAL;
 		break;
+	case COMP_DEV_ERR:
+		dev_warn(&udev->dev, "ERROR: Incompatible device for endpoint "
+				"configure command.\n");
+		ret = -ENODEV;
+		break;
 	case COMP_SUCCESS:
 		dev_dbg(&udev->dev, "Successful Endpoint Configure command\n");
 		ret = 0;
@@ -1571,6 +1592,11 @@
 		xhci_dbg_ctx(xhci, virt_dev->out_ctx, 1);
 		ret = -EINVAL;
 		break;
+	case COMP_DEV_ERR:
+		dev_warn(&udev->dev, "ERROR: Incompatible device for evaluate "
+				"context command.\n");
+		ret = -ENODEV;
+		break;
 	case COMP_MEL_ERR:
 		/* Max Exit Latency too large error */
 		dev_warn(&udev->dev, "WARN: Max Exit Latency too large\n");
@@ -2853,6 +2879,11 @@
 		dev_warn(&udev->dev, "Device not responding to set address.\n");
 		ret = -EPROTO;
 		break;
+	case COMP_DEV_ERR:
+		dev_warn(&udev->dev, "ERROR: Incompatible device for address "
+				"device command.\n");
+		ret = -ENODEV;
+		break;
 	case COMP_SUCCESS:
 		xhci_dbg(xhci, "Successful Address Device command\n");
 		break;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 7d1ea3b..d8bbf5c 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -874,6 +874,8 @@
 #define COMP_PING_ERR	20
 /* Event Ring is full */
 #define COMP_ER_FULL	21
+/* Incompatible Device Error */
+#define COMP_DEV_ERR	22
 /* Missed Service Error - HC couldn't service an isoc ep within interval */
 #define COMP_MISSED_INT	23
 /* Successfully stopped command ring */
@@ -1308,6 +1310,7 @@
  */
 #define XHCI_EP_LIMIT_QUIRK	(1 << 5)
 #define XHCI_BROKEN_MSI		(1 << 6)
+#define XHCI_RESET_ON_RESUME	(1 << 7)
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
 	/* There are two roothubs to keep track of bus suspend info for */
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 0a50a35..6aeb363 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1524,6 +1524,12 @@
 		csr = musb_readw(epio, MUSB_TXCSR);
 		if (csr & MUSB_TXCSR_FIFONOTEMPTY) {
 			csr |= MUSB_TXCSR_FLUSHFIFO | MUSB_TXCSR_P_WZC_BITS;
+			/*
+			 * Setting both TXPKTRDY and FLUSHFIFO makes controller
+			 * to interrupt current FIFO loading, but not flushing
+			 * the already loaded ones.
+			 */
+			csr &= ~MUSB_TXCSR_TXPKTRDY;
 			musb_writew(epio, MUSB_TXCSR, csr);
 			/* REVISIT may be inappropriate w/o FIFONOTEMPTY ... */
 			musb_writew(epio, MUSB_TXCSR, csr);
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 7295e31..8b2473f 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1575,7 +1575,7 @@
 			/* even if there was an error, we did the dma
 			 * for iso_frame_desc->length
 			 */
-			if (d->status != EILSEQ && d->status != -EOVERFLOW)
+			if (d->status != -EILSEQ && d->status != -EOVERFLOW)
 				d->status = 0;
 
 			if (++qh->iso_idx >= urb->number_of_packets)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 1627289..2e06b90 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -179,6 +179,7 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
@@ -848,7 +849,8 @@
 	[FT2232C] = "FT2232C",
 	[FT232RL] = "FT232RL",
 	[FT2232H] = "FT2232H",
-	[FT4232H] = "FT4232H"
+	[FT4232H] = "FT4232H",
+	[FT232H]  = "FT232H"
 };
 
 
@@ -1168,6 +1170,7 @@
 		break;
 	case FT2232H: /* FT2232H chip */
 	case FT4232H: /* FT4232H chip */
+	case FT232H:  /* FT232H chip */
 		if ((baud <= 12000000) & (baud >= 1200)) {
 			div_value = ftdi_2232h_baud_to_divisor(baud);
 		} else if (baud < 1200) {
@@ -1429,9 +1432,12 @@
 	} else if (version < 0x600) {
 		/* Assume it's an FT232BM (or FT245BM) */
 		priv->chip_type = FT232BM;
-	} else {
-		/* Assume it's an FT232R */
+	} else if (version < 0x900) {
+		/* Assume it's an FT232RL */
 		priv->chip_type = FT232RL;
+	} else {
+		/* Assume it's an FT232H */
+		priv->chip_type = FT232H;
 	}
 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
 }
@@ -1559,7 +1565,8 @@
 		     priv->chip_type == FT2232C ||
 		     priv->chip_type == FT232RL ||
 		     priv->chip_type == FT2232H ||
-		     priv->chip_type == FT4232H)) {
+		     priv->chip_type == FT4232H ||
+		     priv->chip_type == FT232H)) {
 			retval = device_create_file(&port->dev,
 						    &dev_attr_latency_timer);
 		}
@@ -1580,7 +1587,8 @@
 		    priv->chip_type == FT2232C ||
 		    priv->chip_type == FT232RL ||
 		    priv->chip_type == FT2232H ||
-		    priv->chip_type == FT4232H) {
+		    priv->chip_type == FT4232H ||
+                    priv->chip_type == FT232H) {
 			device_remove_file(&port->dev, &dev_attr_latency_timer);
 		}
 	}
@@ -2212,6 +2220,7 @@
 	case FT232RL:
 	case FT2232H:
 	case FT4232H:
+	case FT232H:
 		len = 2;
 		break;
 	default:
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 213fe3d..19584fa 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -156,7 +156,8 @@
 	FT2232C = 4,
 	FT232RL = 5,
 	FT2232H = 6,
-	FT4232H = 7
+	FT4232H = 7,
+	FT232H  = 8
 };
 
 enum ftdi_sio_baudrate {
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index ab1fcdf..19156d1 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -22,6 +22,7 @@
 #define FTDI_8U232AM_ALT_PID 0x6006 /* FTDI's alternate PID for above */
 #define FTDI_8U2232C_PID 0x6010 /* Dual channel device */
 #define FTDI_4232H_PID 0x6011 /* Quad channel hi-speed device */
+#define FTDI_232H_PID  0x6014 /* Single channel hi-speed device */
 #define FTDI_SIO_PID	0x8372	/* Product Id SIO application of 8U100AX */
 #define FTDI_232RL_PID  0xFBFA  /* Product ID for FT232RL */
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index c6d92a5..ea84456 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -1745,6 +1745,7 @@
 	}
 	if (fw_p->size > TI_FIRMWARE_BUF_SIZE) {
 		dev_err(&dev->dev, "%s - firmware too large %zu\n", __func__, fw_p->size);
+		release_firmware(fw_p);
 		return -ENOENT;
 	}
 
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 022f9eb..9536d38 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -535,8 +535,7 @@
 
 config INTEL_SCU_WATCHDOG
 	bool "Intel SCU Watchdog for Mobile Platforms"
-	depends on WATCHDOG
-	depends on INTEL_SCU_IPC
+	depends on X86_MRST
 	---help---
 	  Hardware driver for the watchdog time built into the Intel SCU
 	  for Intel Mobile Platforms.
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c
index 750bc52..4ca5d40 100644
--- a/drivers/watchdog/at32ap700x_wdt.c
+++ b/drivers/watchdog/at32ap700x_wdt.c
@@ -448,7 +448,7 @@
 }
 module_exit(at32_wdt_exit);
 
-MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
+MODULE_AUTHOR("Hans-Christian Egtvedt <egtvedt@samfundet.no>");
 MODULE_DESCRIPTION("Watchdog driver for Atmel AT32AP700X");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c
index 29a7cd4..b146082 100644
--- a/drivers/watchdog/gef_wdt.c
+++ b/drivers/watchdog/gef_wdt.c
@@ -329,4 +329,4 @@
 MODULE_DESCRIPTION("GE watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS("platform: gef_wdt");
+MODULE_ALIAS("platform:gef_wdt");
diff --git a/drivers/watchdog/intel_scu_watchdog.c b/drivers/watchdog/intel_scu_watchdog.c
index 919bdd1..ba43860 100644
--- a/drivers/watchdog/intel_scu_watchdog.c
+++ b/drivers/watchdog/intel_scu_watchdog.c
@@ -42,7 +42,6 @@
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/sfi.h>
-#include <linux/types.h>
 #include <asm/irq.h>
 #include <asm/atomic.h>
 #include <asm/intel_scu_ipc.h>
diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
index 1479dc4..0430e09 100644
--- a/drivers/watchdog/mtx-1_wdt.c
+++ b/drivers/watchdog/mtx-1_wdt.c
@@ -66,23 +66,18 @@
 	int default_ticks;
 	unsigned long inuse;
 	unsigned gpio;
-	int gstate;
+	unsigned int gstate;
 } mtx1_wdt_device;
 
 static void mtx1_wdt_trigger(unsigned long unused)
 {
-	u32 tmp;
-
 	spin_lock(&mtx1_wdt_device.lock);
 	if (mtx1_wdt_device.running)
 		ticks--;
 
 	/* toggle wdt gpio */
-	mtx1_wdt_device.gstate = ~mtx1_wdt_device.gstate;
-	if (mtx1_wdt_device.gstate)
-		gpio_direction_output(mtx1_wdt_device.gpio, 1);
-	else
-		gpio_direction_input(mtx1_wdt_device.gpio);
+	mtx1_wdt_device.gstate = !mtx1_wdt_device.gstate;
+	gpio_set_value(mtx1_wdt_device.gpio, mtx1_wdt_device.gstate);
 
 	if (mtx1_wdt_device.queue && ticks)
 		mod_timer(&mtx1_wdt_device.timer, jiffies + MTX1_WDT_INTERVAL);
@@ -105,7 +100,7 @@
 	if (!mtx1_wdt_device.queue) {
 		mtx1_wdt_device.queue = 1;
 		mtx1_wdt_device.gstate = 1;
-		gpio_direction_output(mtx1_wdt_device.gpio, 1);
+		gpio_set_value(mtx1_wdt_device.gpio, 1);
 		mod_timer(&mtx1_wdt_device.timer, jiffies + MTX1_WDT_INTERVAL);
 	}
 	mtx1_wdt_device.running++;
@@ -120,7 +115,7 @@
 	if (mtx1_wdt_device.queue) {
 		mtx1_wdt_device.queue = 0;
 		mtx1_wdt_device.gstate = 0;
-		gpio_direction_output(mtx1_wdt_device.gpio, 0);
+		gpio_set_value(mtx1_wdt_device.gpio, 0);
 	}
 	ticks = mtx1_wdt_device.default_ticks;
 	spin_unlock_irqrestore(&mtx1_wdt_device.lock, flags);
@@ -214,6 +209,12 @@
 	int ret;
 
 	mtx1_wdt_device.gpio = pdev->resource[0].start;
+	ret = gpio_request_one(mtx1_wdt_device.gpio,
+				GPIOF_OUT_INIT_HIGH, "mtx1-wdt");
+	if (ret < 0) {
+		dev_err(&pdev->dev, "failed to request gpio");
+		return ret;
+	}
 
 	spin_lock_init(&mtx1_wdt_device.lock);
 	init_completion(&mtx1_wdt_device.stop);
@@ -239,11 +240,13 @@
 		mtx1_wdt_device.queue = 0;
 		wait_for_completion(&mtx1_wdt_device.stop);
 	}
+
+	gpio_free(mtx1_wdt_device.gpio);
 	misc_deregister(&mtx1_wdt_misc);
 	return 0;
 }
 
-static struct platform_driver mtx1_wdt = {
+static struct platform_driver mtx1_wdt_driver = {
 	.probe = mtx1_wdt_probe,
 	.remove = __devexit_p(mtx1_wdt_remove),
 	.driver.name = "mtx1-wdt",
@@ -252,12 +255,12 @@
 
 static int __init mtx1_wdt_init(void)
 {
-	return platform_driver_register(&mtx1_wdt);
+	return platform_driver_register(&mtx1_wdt_driver);
 }
 
 static void __exit mtx1_wdt_exit(void)
 {
-	platform_driver_unregister(&mtx1_wdt);
+	platform_driver_unregister(&mtx1_wdt_driver);
 }
 
 module_init(mtx1_wdt_init);
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
index 8c4b2d5..871caea 100644
--- a/drivers/watchdog/wm831x_wdt.c
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -320,6 +320,11 @@
 	struct wm831x_watchdog_pdata *pdata;
 	int reg, ret;
 
+	if (wm831x) {
+		dev_err(&pdev->dev, "wm831x watchdog already registered\n");
+		return -EBUSY;
+	}
+
 	wm831x = dev_get_drvdata(pdev->dev.parent);
 
 	ret = wm831x_reg_read(wm831x, WM831X_WATCHDOG);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 8a84210..fc5bc27 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2708,6 +2708,9 @@
 	struct task_io_accounting acct = task->ioac;
 	unsigned long flags;
 
+	if (!ptrace_may_access(task, PTRACE_MODE_READ))
+		return -EACCES;
+
 	if (whole && lock_task_sighand(task, &flags)) {
 		struct task_struct *t = task;
 
@@ -2839,7 +2842,7 @@
 	REG("coredump_filter", S_IRUGO|S_IWUSR, proc_coredump_filter_operations),
 #endif
 #ifdef CONFIG_TASK_IO_ACCOUNTING
-	INF("io",	S_IRUGO, proc_tgid_io_accounting),
+	INF("io",	S_IRUSR, proc_tgid_io_accounting),
 #endif
 #ifdef CONFIG_HARDWALL
 	INF("hardwall",   S_IRUGO, proc_pid_hardwall),
@@ -3181,7 +3184,7 @@
 	REG("make-it-fail", S_IRUGO|S_IWUSR, proc_fault_inject_operations),
 #endif
 #ifdef CONFIG_TASK_IO_ACCOUNTING
-	INF("io",	S_IRUGO, proc_tid_io_accounting),
+	INF("io",	S_IRUSR, proc_tid_io_accounting),
 #endif
 #ifdef CONFIG_HARDWALL
 	INF("hardwall",   S_IRUGO, proc_pid_hardwall),
diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index 5479fdc..514ed45 100644
--- a/include/linux/amba/serial.h
+++ b/include/linux/amba/serial.h
@@ -201,6 +201,9 @@
 	bool (*dma_filter)(struct dma_chan *chan, void *filter_param);
 	void *dma_rx_param;
 	void *dma_tx_param;
+        void (*init) (void);
+	void (*exit) (void);
+	void (*reset) (void);
 };
 #endif
 
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 7c60d09..f696bcc 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -44,7 +44,7 @@
 #define CN_VAL_DRBD			0x1
 #define CN_KVP_IDX			0x9	/* HyperV KVP */
 
-#define CN_NETLINK_USERS		9
+#define CN_NETLINK_USERS		10	/* Highest index + 1 */
 
 /*
  * Maximum connector's message size.