147 files changed, 1444 insertions, 916 deletions
diff --git a/Documentation/DocBook/media_api.tmpl b/Documentation/DocBook/media_api.tmpl
index 6a8b7158697f..9c92bb879b6d 100644
--- a/Documentation/DocBook/media_api.tmpl
+++ b/Documentation/DocBook/media_api.tmpl
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-        "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
+        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
 <!ENTITY % media-entities SYSTEM "./media-entities.tmpl"> %media-entities;
 <!ENTITY media-indices SYSTEM "./media-indices.tmpl">
diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
index d5a308629c57..30b0581bb1ce 100644
--- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
+++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
@@ -31,9 +31,8 @@ Optional nodes:
               Optional sub-node properties:
               ti,warm-reset - maintain voltage during warm reset(boolean)
               ti,roof-floor - control voltage selection by pin(boolean)
-               ti,sleep-mode - mode to adopt in pmic sleep 0 - off, 1 - auto,
+               ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto,
               2 - eco, 3 - forced pwm
-               ti,tstep - slope control 0 - Jump, 1 10mV/us, 2 5mV/us, 3 2.5mV/us
               ti,smps-range - OTP has the wrong range set for the hardware so override
               0 - low range, 1 - high range.
@@ -59,7 +58,6 @@ pmic {
                        ti,warm-reset;
                        ti,roof-floor;
                        ti,mode-sleep = <0>;
-                        ti,tstep = <0>;
                        ti,smps-range = <1>;
                };
diff --git a/MAINTAINERS b/MAINTAINERS
index defc05383f83..7cacc88dc79c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -965,6 +965,12 @@ M:	Lennert Buytenhek <kernel@wantstofly.org>
 L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:      Maintained
+ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
+M:      Santosh Shilimkar <santosh.shilimkar@ti.com>
+L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:      Maintained
+F:      arch/arm/mach-keystone/
 ARM/LOGICPD PXA270 MACHINE SUPPORT
 M:      Lennert Buytenhek <kernel@wantstofly.org>
 L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1259,7 +1265,6 @@ F:	drivers/rtc/rtc-coh901331.c
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
 ARM/Ux500 ARM ARCHITECTURE
-M:      Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
 M:      Linus Walleij <linus.walleij@linaro.org>
 L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:      Maintained
@@ -8664,6 +8669,11 @@ T:	git git://git.alsa-project.org/alsa-kernel.git
 S:      Maintained
 F:      sound/usb/midi.*
+USB NETWORKING DRIVERS
+L:      linux-usb@vger.kernel.org
+S:      Odd Fixes
+F:      drivers/net/usb/
 USB OHCI DRIVER
 M:      Alan Stern <stern@rowland.harvard.edu>
 L:      linux-usb@vger.kernel.org
diff --git a/arch/arm/boot/dts/msm8960-cdp.dts b/arch/arm/boot/dts/msm8960-cdp.dts
index db2060c46540..9c1167b0459b 100644
--- a/arch/arm/boot/dts/msm8960-cdp.dts
+++ b/arch/arm/boot/dts/msm8960-cdp.dts
@@ -26,7 +26,7 @@
                cpu-offset = <0x80000>;
        };
-        msmgpio: gpio@fd510000 {
+        msmgpio: gpio@800000 {
                compatible = "qcom,msm-gpio";
                gpio-controller;
                #gpio-cells = <2>;
@@ -34,7 +34,7 @@
                interrupts = <0 32 0x4>;
                interrupt-controller;
                #interrupt-cells = <2>;
-                reg = <0xfd510000 0x4000>;
+                reg = <0x800000 0x4000>;
        };
        serial@16440000 {
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 08b72678abff..65d7b601651c 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -235,7 +235,7 @@
 };
 &mmc1 {
-        vmmc-supply = <&vmmcsd_fixed>;
+        vmmc-supply = <&ldo9_reg>;
        bus-width = <4>;
 };
@@ -282,6 +282,7 @@
                        regulators {
                                smps123_reg: smps123 {
+                                        /* VDD_OPP_MPU */
                                        regulator-name = "smps123";
                                        regulator-min-microvolt = < 600000>;
                                        regulator-max-microvolt = <1500000>;
@@ -290,6 +291,7 @@
                                };
                                smps45_reg: smps45 {
+                                        /* VDD_OPP_MM */
                                        regulator-name = "smps45";
                                        regulator-min-microvolt = < 600000>;
                                        regulator-max-microvolt = <1310000>;
@@ -298,6 +300,7 @@
                                };
                                smps6_reg: smps6 {
+                                        /* VDD_DDR3 - over VDD_SMPS6 */
                                        regulator-name = "smps6";
                                        regulator-min-microvolt = <1200000>;
                                        regulator-max-microvolt = <1200000>;
@@ -306,6 +309,7 @@
                                };
                                smps7_reg: smps7 {
+                                        /* VDDS_1v8_OMAP over VDDS_1v8_MAIN */
                                        regulator-name = "smps7";
                                        regulator-min-microvolt = <1800000>;
                                        regulator-max-microvolt = <1800000>;
@@ -314,6 +318,7 @@
                                };
                                smps8_reg: smps8 {
+                                        /* VDD_OPP_CORE */
                                        regulator-name = "smps8";
                                        regulator-min-microvolt = < 600000>;
                                        regulator-max-microvolt = <1310000>;
@@ -322,15 +327,15 @@
                                };
                                smps9_reg: smps9 {
+                                        /* VDDA_2v1_AUD over VDD_2v1 */
                                        regulator-name = "smps9";
                                        regulator-min-microvolt = <2100000>;
                                        regulator-max-microvolt = <2100000>;
-                                        regulator-always-on;
-                                        regulator-boot-on;
                                        ti,smps-range = <0x80>;
                                };
                                smps10_reg: smps10 {
+                                        /* VBUS_5V_OTG */
                                        regulator-name = "smps10";
                                        regulator-min-microvolt = <5000000>;
                                        regulator-max-microvolt = <5000000>;
@@ -339,38 +344,40 @@
                                };
                                ldo1_reg: ldo1 {
+                                        /* VDDAPHY_CAM: vdda_csiport */
                                        regulator-name = "ldo1";
-                                        regulator-min-microvolt = <2800000>;
+                                        regulator-min-microvolt = <1500000>;
-                                        regulator-max-microvolt = <2800000>;
+                                        regulator-max-microvolt = <1800000>;
-                                        regulator-always-on;
-                                        regulator-boot-on;
                                };
                                ldo2_reg: ldo2 {
+                                        /* VCC_2V8_DISP: Does not go anywhere */
                                        regulator-name = "ldo2";
-                                        regulator-min-microvolt = <2900000>;
+                                        regulator-min-microvolt = <2800000>;
-                                        regulator-max-microvolt = <2900000>;
+                                        regulator-max-microvolt = <2800000>;
-                                        regulator-always-on;
+                                        /* Unused */
-                                        regulator-boot-on;
+                                        status = "disabled";
                                };
                                ldo3_reg: ldo3 {
+                                        /* VDDAPHY_MDM: vdda_lli */
                                        regulator-name = "ldo3";
-                                        regulator-min-microvolt = <3000000>;
+                                        regulator-min-microvolt = <1500000>;
-                                        regulator-max-microvolt = <3000000>;
+                                        regulator-max-microvolt = <1500000>;
-                                        regulator-always-on;
                                        regulator-boot-on;
+                                        /* Only if Modem is used */
+                                        status = "disabled";
                                };
                                ldo4_reg: ldo4 {
+                                        /* VDDAPHY_DISP: vdda_dsiport/hdmi */
                                        regulator-name = "ldo4";
-                                        regulator-min-microvolt = <2200000>;
+                                        regulator-min-microvolt = <1500000>;
-                                        regulator-max-microvolt = <2200000>;
+                                        regulator-max-microvolt = <1800000>;
-                                        regulator-always-on;
-                                        regulator-boot-on;
                                };
                                ldo5_reg: ldo5 {
+                                        /* VDDA_1V8_PHY: usb/sata/hdmi.. */
                                        regulator-name = "ldo5";
                                        regulator-min-microvolt = <1800000>;
                                        regulator-max-microvolt = <1800000>;
@@ -379,38 +386,43 @@
                                };
                                ldo6_reg: ldo6 {
+                                        /* VDDS_1V2_WKUP: hsic/ldo_emu_wkup */
                                        regulator-name = "ldo6";
-                                        regulator-min-microvolt = <1500000>;
+                                        regulator-min-microvolt = <1200000>;
-                                        regulator-max-microvolt = <1500000>;
+                                        regulator-max-microvolt = <1200000>;
                                        regulator-always-on;
                                        regulator-boot-on;
                                };
                                ldo7_reg: ldo7 {
+                                        /* VDD_VPP: vpp1 */
                                        regulator-name = "ldo7";
-                                        regulator-min-microvolt = <1500000>;
+                                        regulator-min-microvolt = <2000000>;
-                                        regulator-max-microvolt = <1500000>;
+                                        regulator-max-microvolt = <2000000>;
-                                        regulator-always-on;
+                                        /* Only for efuse reprograming! */
-                                        regulator-boot-on;
+                                        status = "disabled";
                                };
                                ldo8_reg: ldo8 {
+                                        /* VDD_3v0: Does not go anywhere */
                                        regulator-name = "ldo8";
-                                        regulator-min-microvolt = <1500000>;
+                                        regulator-min-microvolt = <3000000>;
-                                        regulator-max-microvolt = <1500000>;
+                                        regulator-max-microvolt = <3000000>;
-                                        regulator-always-on;
                                        regulator-boot-on;
+                                        /* Unused */
+                                        status = "disabled";
                                };
                                ldo9_reg: ldo9 {
+                                        /* VCC_DV_SDIO: vdds_sdcard */
                                        regulator-name = "ldo9";
                                        regulator-min-microvolt = <1800000>;
-                                        regulator-max-microvolt = <3300000>;
+                                        regulator-max-microvolt = <3000000>;
-                                        regulator-always-on;
                                        regulator-boot-on;
                                };
                                ldoln_reg: ldoln {
+                                        /* VDDA_1v8_REF: vdds_osc/mm_l4per.. */
                                        regulator-name = "ldoln";
                                        regulator-min-microvolt = <1800000>;
                                        regulator-max-microvolt = <1800000>;
@@ -419,12 +431,20 @@
                                };
                                ldousb_reg: ldousb {
+                                        /* VDDA_3V_USB: VDDA_USBHS33 */
                                        regulator-name = "ldousb";
                                        regulator-min-microvolt = <3250000>;
                                        regulator-max-microvolt = <3250000>;
                                        regulator-always-on;
                                        regulator-boot-on;
                                };
+                                regen3_reg: regen3 {
+                                        /* REGEN3 controls LDO9 supply to card */
+                                        regulator-name = "regen3";
+                                        regulator-always-on;
+                                        regulator-boot-on;
+                                };
                        };
                };
        };
diff --git a/arch/arm/boot/dts/stih41x.dtsi b/arch/arm/boot/dts/stih41x.dtsi
index 7321403cab8a..f5b9898d9c6e 100644
--- a/arch/arm/boot/dts/stih41x.dtsi
+++ b/arch/arm/boot/dts/stih41x.dtsi
@@ -6,10 +6,12 @@
                #address-cells = <1>;
                #size-cells = <0>;
                cpu@0 {
+                        device_type = "cpu";
                        compatible = "arm,cortex-a9";
                        reg = <0>;
                };
                cpu@1 {
+                        device_type = "cpu";
                        compatible = "arm,cortex-a9";
                        reg = <1>;
                };
diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
index 2fcb3f2ca160..5592be6f2f7a 100644
--- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
@@ -457,6 +457,7 @@
        };
        usb-phy@c5004000 {
+                status = "okay";
                nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
                        GPIO_ACTIVE_LOW>;
        };
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 614e41e7881b..905efc8cac79 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -121,8 +121,7 @@ config MSM_SMD
        bool
 config MSM_GPIOMUX
-        depends on !(ARCH_MSM8X60 || ARCH_MSM8960)
+        bool
-        bool "MSM V1 TLMM GPIOMUX architecture"
        help
          Support for MSM V1 TLMM GPIOMUX architecture.
diff --git a/arch/arm/mach-msm/gpiomux-v1.c b/arch/arm/mach-msm/gpiomux-v1.c
deleted file mode 100644
index 27de2abd7144..000000000000
--- a/arch/arm/mach-msm/gpiomux-v1.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-#include <linux/kernel.h>
-#include "gpiomux.h"
-#include "proc_comm.h"
-void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val)
-{
-        unsigned tlmm_config  = (val & ~GPIOMUX_CTL_MASK) |
-                                ((gpio & 0x3ff) << 4);
-        unsigned tlmm_disable = 0;
-        int rc;
-        rc = msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX,
-                           &tlmm_config, &tlmm_disable);
-        if (rc)
-                pr_err("%s: unexpected proc_comm failure %d: %08x %08x\n",
-                       __func__, rc, tlmm_config, tlmm_disable);
-}
diff --git a/arch/arm/mach-msm/gpiomux.h b/arch/arm/mach-msm/gpiomux.h
index 8e82f41a8923..4410d7766f93 100644
--- a/arch/arm/mach-msm/gpiomux.h
+++ b/arch/arm/mach-msm/gpiomux.h
@@ -73,16 +73,6 @@ extern struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS];
 int msm_gpiomux_write(unsigned gpio,
                      gpiomux_config_t active,
                      gpiomux_config_t suspended);
-/* Architecture-internal function for use by the framework only.
- * This function can assume the following:
- * - the gpio value has passed a bounds-check
- * - the gpiomux spinlock has been obtained
- *
- * This function is not for public consumption.  External users
- * should use msm_gpiomux_write.
- */
-void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val);
 #else
 static inline int msm_gpiomux_write(unsigned gpio,
                                    gpiomux_config_t active,
diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c
index 393aeefaebb0..043e5705f2a6 100644
--- a/arch/arm/mach-omap2/dss-common.c
+++ b/arch/arm/mach-omap2/dss-common.c
@@ -42,7 +42,7 @@
 /* Using generic display panel */
 static struct tfp410_platform_data omap4_dvi_panel = {
-        .i2c_bus_num            = 3,
+        .i2c_bus_num            = 2,
        .power_down_gpio        = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
 };
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index 5cc92874be7e..f99f68e1e85b 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -129,6 +129,7 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
        struct device_node *node = pdev->dev.of_node;
        const char *oh_name;
        int oh_cnt, i, ret = 0;
+        bool device_active = false;
        oh_cnt = of_property_count_strings(node, "ti,hwmods");
        if (oh_cnt <= 0) {
@@ -152,6 +153,8 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
                        goto odbfd_exit1;
                }
                hwmods[i] = oh;
+                if (oh->flags & HWMOD_INIT_NO_IDLE)
+                        device_active = true;
        }
        od = omap_device_alloc(pdev, hwmods, oh_cnt);
@@ -172,6 +175,11 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
        pdev->dev.pm_domain = &omap_device_pm_domain;
+        if (device_active) {
+                omap_device_enable(pdev);
+                pm_runtime_set_active(&pdev->dev);
+        }
 odbfd_exit1:
        kfree(hwmods);
 odbfd_exit:
@@ -842,6 +850,7 @@ static int __init omap_device_late_idle(struct device *dev, void *data)
 {
        struct platform_device *pdev = to_platform_device(dev);
        struct omap_device *od = to_omap_device(pdev);
+        int i;
        if (!od)
                return 0;
@@ -850,6 +859,15 @@ static int __init omap_device_late_idle(struct device *dev, void *data)
         * If omap_device state is enabled, but has no driver bound,
         * idle it.
         */
+        /*
+         * Some devices (like memory controllers) are always kept
+         * enabled, and should not be idled even with no drivers.
+         */
+        for (i = 0; i < od->hwmods_cnt; i++)
+                if (od->hwmods[i]->flags & HWMOD_INIT_NO_IDLE)
+                        return 0;
        if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER) {
                if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
                        dev_warn(dev, "%s: enabled but no driver.  Idling\n",
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 7341eff63f56..7f4db12b1459 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2386,7 +2386,7 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data)
                np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh);
                if (np)
-                        va_start = of_iomap(np, 0);
+                        va_start = of_iomap(np, oh->mpu_rt_idx);
        } else {
                va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
        }
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index aab33fd814c0..e1482a9b3bc2 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -95,6 +95,54 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type3;
 #define MODULEMODE_HWCTRL               1
 #define MODULEMODE_SWCTRL               2
+#define DEBUG_OMAP2UART1_FLAGS  0
+#define DEBUG_OMAP2UART2_FLAGS  0
+#define DEBUG_OMAP2UART3_FLAGS  0
+#define DEBUG_OMAP3UART3_FLAGS  0
+#define DEBUG_OMAP3UART4_FLAGS  0
+#define DEBUG_OMAP4UART3_FLAGS  0
+#define DEBUG_OMAP4UART4_FLAGS  0
+#define DEBUG_TI81XXUART1_FLAGS 0
+#define DEBUG_TI81XXUART2_FLAGS 0
+#define DEBUG_TI81XXUART3_FLAGS 0
+#define DEBUG_AM33XXUART1_FLAGS 0
+#define DEBUG_OMAPUART_FLAGS    (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET)
+#if defined(CONFIG_DEBUG_OMAP2UART1)
+#undef DEBUG_OMAP2UART1_FLAGS
+#define DEBUG_OMAP2UART1_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP2UART2)
+#undef DEBUG_OMAP2UART2_FLAGS
+#define DEBUG_OMAP2UART2_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP2UART3)
+#undef DEBUG_OMAP2UART3_FLAGS
+#define DEBUG_OMAP2UART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP3UART3)
+#undef DEBUG_OMAP3UART3_FLAGS
+#define DEBUG_OMAP3UART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP3UART4)
+#undef DEBUG_OMAP3UART4_FLAGS
+#define DEBUG_OMAP3UART4_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP4UART3)
+#undef DEBUG_OMAP4UART3_FLAGS
+#define DEBUG_OMAP4UART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP4UART4)
+#undef DEBUG_OMAP4UART4_FLAGS
+#define DEBUG_OMAP4UART4_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_TI81XXUART1)
+#undef DEBUG_TI81XXUART1_FLAGS
+#define DEBUG_TI81XXUART1_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_TI81XXUART2)
+#undef DEBUG_TI81XXUART2_FLAGS
+#define DEBUG_TI81XXUART2_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_TI81XXUART3)
+#undef DEBUG_TI81XXUART3_FLAGS
+#define DEBUG_TI81XXUART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_AM33XXUART1)
+#undef DEBUG_AM33XXUART1_FLAGS
+#define DEBUG_AM33XXUART1_FLAGS DEBUG_OMAPUART_FLAGS
+#endif
 /**
 * struct omap_hwmod_mux_info - hwmod specific mux configuration
@@ -568,6 +616,7 @@ struct omap_hwmod_link {
 * @voltdm: pointer to voltage domain (filled in at runtime)
 * @dev_attr: arbitrary device attributes that can be passed to the driver
 * @_sysc_cache: internal-use hwmod flags
+ * @mpu_rt_idx: index of device address space for register target (for DT boot)
 * @_mpu_rt_va: cached register target start address (internal use)
 * @_mpu_port: cached MPU register target slave (internal use)
 * @opt_clks_cnt: number of @opt_clks
@@ -617,6 +666,7 @@ struct omap_hwmod {
        struct list_head                node;
        struct omap_hwmod_ocp_if        *_mpu_port;
        u16                             flags;
+        u8                              mpu_rt_idx;
        u8                              response_lat;
        u8                              rst_lines_cnt;
        u8                              opt_clks_cnt;
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index d05fc7b54567..56cebb05509e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -512,7 +512,7 @@ struct omap_hwmod omap2xxx_uart1_hwmod = {
        .mpu_irqs       = omap2_uart1_mpu_irqs,
        .sdma_reqs      = omap2_uart1_sdma_reqs,
        .main_clk       = "uart1_fck",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_OMAP2UART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .prcm           = {
                .omap2 = {
                        .module_offs = CORE_MOD,
@@ -532,7 +532,7 @@ struct omap_hwmod omap2xxx_uart2_hwmod = {
        .mpu_irqs       = omap2_uart2_mpu_irqs,
        .sdma_reqs      = omap2_uart2_sdma_reqs,
        .main_clk       = "uart2_fck",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_OMAP2UART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .prcm           = {
                .omap2 = {
                        .module_offs = CORE_MOD,
@@ -552,7 +552,7 @@ struct omap_hwmod omap2xxx_uart3_hwmod = {
        .mpu_irqs       = omap2_uart3_mpu_irqs,
        .sdma_reqs      = omap2_uart3_sdma_reqs,
        .main_clk       = "uart3_fck",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_OMAP2UART3_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .prcm           = {
                .omap2 = {
                        .module_offs = CORE_MOD,
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
index 28bbd56346a9..eb2f3b93b51c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -562,6 +562,7 @@ static struct omap_hwmod am33xx_cpgmac0_hwmod = {
        .clkdm_name     = "cpsw_125mhz_clkdm",
        .flags          = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY),
        .main_clk       = "cpsw_125mhz_gclk",
+        .mpu_rt_idx     = 1,
        .prcm           = {
                .omap4  = {
                        .clkctrl_offs   = AM33XX_CM_PER_CPGMAC0_CLKCTRL_OFFSET,
@@ -1512,7 +1513,7 @@ static struct omap_hwmod am33xx_uart1_hwmod = {
        .name           = "uart1",
        .class          = &uart_class,
        .clkdm_name     = "l4_wkup_clkdm",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_AM33XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .main_clk       = "dpll_per_m2_div4_wkupdm_ck",
        .prcm           = {
                .omap4  = {
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index f7a3df2fb579..0c3a427da544 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -490,7 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = {
        .mpu_irqs       = omap2_uart1_mpu_irqs,
        .sdma_reqs      = omap2_uart1_sdma_reqs,
        .main_clk       = "uart1_fck",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .prcm           = {
                .omap2 = {
                        .module_offs = CORE_MOD,
@@ -509,7 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = {
        .mpu_irqs       = omap2_uart2_mpu_irqs,
        .sdma_reqs      = omap2_uart2_sdma_reqs,
        .main_clk       = "uart2_fck",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .prcm           = {
                .omap2 = {
                        .module_offs = CORE_MOD,
@@ -528,7 +528,8 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = {
        .mpu_irqs       = omap2_uart3_mpu_irqs,
        .sdma_reqs      = omap2_uart3_sdma_reqs,
        .main_clk       = "uart3_fck",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_OMAP3UART3_FLAGS | DEBUG_TI81XXUART3_FLAGS |
+                                HWMOD_SWSUP_SIDLE_ACT,
        .prcm           = {
                .omap2 = {
                        .module_offs = OMAP3430_PER_MOD,
@@ -558,7 +559,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = {
        .mpu_irqs       = uart4_mpu_irqs,
        .sdma_reqs      = uart4_sdma_reqs,
        .main_clk       = "uart4_fck",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .prcm           = {
                .omap2 = {
                        .module_offs = OMAP3430_PER_MOD,
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index d04b5e60fdbe..9c3b504477d7 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2858,8 +2858,7 @@ static struct omap_hwmod omap44xx_uart3_hwmod = {
        .name           = "uart3",
        .class          = &omap44xx_uart_hwmod_class,
        .clkdm_name     = "l4_per_clkdm",
-        .flags          = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET |
+        .flags          = DEBUG_OMAP4UART3_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
-                                HWMOD_SWSUP_SIDLE_ACT,
        .main_clk       = "func_48m_fclk",
        .prcm = {
                .omap4 = {
@@ -2875,7 +2874,7 @@ static struct omap_hwmod omap44xx_uart4_hwmod = {
        .name           = "uart4",
        .class          = &omap44xx_uart_hwmod_class,
        .clkdm_name     = "l4_per_clkdm",
-        .flags          = HWMOD_SWSUP_SIDLE_ACT,
+        .flags          = DEBUG_OMAP4UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
        .main_clk       = "func_48m_fclk",
        .prcm = {
                .omap4 = {
diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
index f37ae96b70a1..3c70f5c1860f 100644
--- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
@@ -1375,7 +1375,7 @@ static struct omap_hwmod omap54xx_uart3_hwmod = {
        .name           = "uart3",
        .class          = &omap54xx_uart_hwmod_class,
        .clkdm_name     = "l4per_clkdm",
-        .flags          = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET,
+        .flags          = DEBUG_OMAP4UART3_FLAGS,
        .main_clk       = "func_48m_fclk",
        .prcm = {
                .omap4 = {
@@ -1391,6 +1391,7 @@ static struct omap_hwmod omap54xx_uart4_hwmod = {
        .name           = "uart4",
        .class          = &omap54xx_uart_hwmod_class,
        .clkdm_name     = "l4per_clkdm",
+        .flags          = DEBUG_OMAP4UART4_FLAGS,
        .main_clk       = "func_48m_fclk",
        .prcm = {
                .omap4 = {
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 3a674de6cb63..a388f8c1bcb3 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -208,17 +208,6 @@ static int __init omap_serial_early_init(void)
                                pr_info("%s used as console in debug mode: uart%d clocks will not be gated",
                                        uart_name, uart->num);
                        }
-                        /*
-                         * omap-uart can be used for earlyprintk logs
-                         * So if omap-uart is used as console then prevent
-                         * uart reset and idle to get logs from omap-uart
-                         * until uart console driver is available to take
-                         * care for console messages.
-                         * Idling or resetting omap-uart while printing logs
-                         * early boot logs can stall the boot-up.
-                         */
-                        oh->flags |= HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET;
                }
        } while (1);
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index e115f6742107..c5be60d85e4b 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -1162,9 +1162,6 @@ static void __init eva_init(void)
        gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */
        gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */
-        /* Touchscreen */
-        gpio_request_one(166, GPIOF_OUT_INIT_HIGH, NULL); /* TP_RST_B */
        /* GETHER */
        gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index d5554646916c..3354a85c90f7 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -167,7 +167,13 @@ static const struct pinctrl_map bockw_pinctrl_map[] = {
                                  "usb1", "usb1"),
        /* SDHI0 */
        PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
-                                  "sdhi0", "sdhi0"),
+                                  "sdhi0_data4", "sdhi0"),
+        PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
+                                  "sdhi0_ctrl", "sdhi0"),
+        PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
+                                  "sdhi0_cd", "sdhi0"),
+        PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
+                                  "sdhi0_wp", "sdhi0"),
 };
 #define FPGA    0x18200000
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index d73e21d3ea8a..8d6bd5c5efb9 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -59,7 +59,7 @@ static __initdata struct gpio_led_platform_data lager_leds_pdata = {
 #define GPIO_KEY(c, g, d, ...) \
        { .code = c, .gpio = g, .desc = d, .active_low = 1 }
-static __initdata struct gpio_keys_button gpio_buttons[] = {
+static struct gpio_keys_button gpio_buttons[] = {
        GPIO_KEY(KEY_4,         RCAR_GP_PIN(1, 28),     "SW2-pin4"),
        GPIO_KEY(KEY_3,         RCAR_GP_PIN(1, 26),     "SW2-pin3"),
        GPIO_KEY(KEY_2,         RCAR_GP_PIN(1, 24),     "SW2-pin2"),
diff --git a/arch/arm/mach-sti/headsmp.S b/arch/arm/mach-sti/headsmp.S
index 78ebc7559f53..4c09bae86edf 100644
--- a/arch/arm/mach-sti/headsmp.S
+++ b/arch/arm/mach-sti/headsmp.S
@@ -16,8 +16,6 @@
 #include <linux/linkage.h>
 #include <linux/init.h>
-        __INIT
 /*
 * ST specific entry point for secondary CPUs.  This provides
 * a "holding pen" into which all secondary cores are held until we're
diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c
index f91431963452..7de083d19b7e 100644
--- a/arch/avr32/boards/atngw100/mrmt.c
+++ b/arch/avr32/boards/atngw100/mrmt.c
@@ -150,7 +150,6 @@ static struct ac97c_platform_data __initdata ac97c0_data = {
 static struct platform_device rmt_ts_device = {
        .name   = "ucb1400_ts",
        .id     = -1,
-        }
 };
 #endif
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 1dc086087a72..fa44f3ec5302 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -17,6 +17,8 @@
 #define current_cpu_type()      current_cpu_data.cputype
 #endif
+#define boot_cpu_type()         cpu_data[0].cputype
 /*
 * SMP assumption: Options of CPU 0 are a superset of all processors.
 * This is true for all known MIPS systems.
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 159abc8842d2..126da74d4c55 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -66,6 +66,8 @@ static void __init bmips_smp_setup(void)
        int i, cpu = 1, boot_cpu = 0;
 #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380)
+        int cpu_hw_intr;
        /* arbitration priority */
        clear_c0_brcm_cmt_ctrl(0x30);
@@ -80,8 +82,12 @@ static void __init bmips_smp_setup(void)
         * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output
         * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output
         */
-        change_c0_brcm_cmt_intr(0xf8018000,
+        if (boot_cpu == 0)
-                                        (0x02 << 27) | (0x03 << 15));
+                cpu_hw_intr = 0x02;
+        else
+                cpu_hw_intr = 0x1d;
+        change_c0_brcm_cmt_intr(0xf8018000, (cpu_hw_intr << 27) | (0x03 << 15));
        /* single core, 2 threads (2 pipelines) */
        max_cpus = 2;
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index e4b1140cdae0..3a2b6e9f25cf 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -166,7 +166,7 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr)
                        reg.control[i] |= M_PERFCTL_USER;
                if (ctr[i].exl)
                        reg.control[i] |= M_PERFCTL_EXL;
-                if (current_cpu_type() == CPU_XLR)
+                if (boot_cpu_type() == CPU_XLR)
                        reg.control[i] |= M_PERFCTL_COUNT_ALL_THREADS;
                reg.counter[i] = 0x80000000 - ctr[i].count;
        }
diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c
index d22dc0d6f289..2b7e837dc2e2 100644
--- a/arch/mips/pnx833x/common/platform.c
+++ b/arch/mips/pnx833x/common/platform.c
@@ -206,11 +206,13 @@ static struct resource pnx833x_ethernet_resources[] = {
                .end   = PNX8335_IP3902_PORTS_END,
                .flags = IORESOURCE_MEM,
        },
+#ifdef CONFIG_SOC_PNX8335
        [1] = {
                .start = PNX8335_PIC_ETHERNET_INT,
                .end   = PNX8335_PIC_ETHERNET_INT,
                .flags = IORESOURCE_IRQ,
        },
+#endif
 };
 static struct platform_device pnx833x_ethernet_device = {
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 22f75b504f7f..8a4cae78f03c 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -118,6 +118,7 @@ config S390
        select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_KERNEL_BZIP2
        select HAVE_KERNEL_GZIP
+        select HAVE_KERNEL_LZ4
        select HAVE_KERNEL_LZMA
        select HAVE_KERNEL_LZO
        select HAVE_KERNEL_XZ
@@ -227,11 +228,12 @@ config MARCH_Z196
          not work on older machines.
 config MARCH_ZEC12
-        bool "IBM zEC12"
+        bool "IBM zBC12 and zEC12"
        select HAVE_MARCH_ZEC12_FEATURES if 64BIT
        help
-          Select this to enable optimizations for IBM zEC12 (2827 series). The
+          Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and
-          kernel will be slightly faster but will not work on older machines.
+          2827 series). The kernel will be slightly faster but will not work on
+          older machines.
 endchoice
@@ -709,6 +711,7 @@ config S390_GUEST
        def_bool y
        prompt "s390 support for virtio devices"
        depends on 64BIT
+        select TTY
        select VIRTUALIZATION
        select VIRTIO
        select VIRTIO_CONSOLE
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index 3ad8f61c9985..866ecbe670e4 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -6,9 +6,9 @@
 BITS := $(if $(CONFIG_64BIT),64,31)
-targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
+targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
-           vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o \
+targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
-           sizes.h head$(BITS).o
+targets += misc.o piggy.o sizes.h head$(BITS).o
 KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
@@ -48,6 +48,7 @@ vmlinux.bin.all-y := $(obj)/vmlinux.bin
 suffix-$(CONFIG_KERNEL_GZIP)  := gz
 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
+suffix-$(CONFIG_KERNEL_LZ4)  := lz4
 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
 suffix-$(CONFIG_KERNEL_LZO)  := lzo
 suffix-$(CONFIG_KERNEL_XZ)  := xz
@@ -56,6 +57,8 @@ $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
        $(call if_changed,gzip)
 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
        $(call if_changed,bzip2)
+$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
+        $(call if_changed,lz4)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
        $(call if_changed,lzma)
 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index c4c6a1cf221b..57cbaff1f397 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -47,6 +47,10 @@ static unsigned long free_mem_end_ptr;
 #include "../../../../lib/decompress_bunzip2.c"
 #endif
+#ifdef CONFIG_KERNEL_LZ4
+#include "../../../../lib/decompress_unlz4.c"
+#endif
 #ifdef CONFIG_KERNEL_LZMA
 #include "../../../../lib/decompress_unlzma.c"
 #endif
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 4d8604e311f3..7d4676758733 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -693,7 +693,7 @@ static inline int find_next_bit_left(const unsigned long *addr,
        size -= offset;
        p = addr + offset / BITS_PER_LONG;
        if (bit) {
-                set = __flo_word(0, *p & (~0UL << bit));
+                set = __flo_word(0, *p & (~0UL >> bit));
                if (set >= size)
                        return size + offset;
                if (set < BITS_PER_LONG)
diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c
index a6fc037671b1..500aa1029bcb 100644
--- a/arch/s390/kernel/perf_event.c
+++ b/arch/s390/kernel/perf_event.c
@@ -52,12 +52,13 @@ static struct kvm_s390_sie_block *sie_block(struct pt_regs *regs)
 static bool is_in_guest(struct pt_regs *regs)
 {
-        unsigned long ip = instruction_pointer(regs);
        if (user_mode(regs))
                return false;
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
-        return ip == (unsigned long) &sie_exit;
+        return instruction_pointer(regs) == (unsigned long) &sie_exit;
+#else
+        return false;
+#endif
 }
 static unsigned long guest_is_user_mode(struct pt_regs *regs)
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 497451ec5e26..aeed8a61fa0d 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -994,6 +994,7 @@ static void __init setup_hwcaps(void)
                strcpy(elf_platform, "z196");
                break;
        case 0x2827:
+        case 0x2828:
                strcpy(elf_platform, "zEC12");
                break;
        }
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index ce36ea80e4f9..ad446b0c55b6 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -69,6 +69,7 @@ static void __init setup_zero_pages(void)
                order = 2;
                break;
        case 0x2827:    /* zEC12 */
+        case 0x2828:    /* zEC12 */
        default:
                order = 5;
                break;
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index ffeb17ce7f31..930783d2c99b 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -440,7 +440,7 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops)
                switch (id.machine) {
                case 0x2097: case 0x2098: ops->cpu_type = "s390/z10"; break;
                case 0x2817: case 0x2818: ops->cpu_type = "s390/z196"; break;
-                case 0x2827:              ops->cpu_type = "s390/zEC12"; break;
+                case 0x2827: case 0x2828: ops->cpu_type = "s390/zEC12"; break;
                default: return -ENODEV;
                }
        }
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index d606463aa6d6..b7388a425f09 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -225,7 +225,7 @@ static void low_free(unsigned long size, unsigned long addr)
        unsigned long nr_pages;
        nr_pages = round_up(size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
-        efi_call_phys2(sys_table->boottime->free_pages, addr, size);
+        efi_call_phys2(sys_table->boottime->free_pages, addr, nr_pages);
 }
 static void find_bits(unsigned long mask, u8 *pos, u8 *size)
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 94ab6b90dd3f..63bdb29b2549 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -196,15 +196,23 @@ static void __init ati_bugs_contd(int num, int slot, int func)
 static void __init intel_remapping_check(int num, int slot, int func)
 {
        u8 revision;
+        u16 device;
+        device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID);
        revision = read_pci_config_byte(num, slot, func, PCI_REVISION_ID);
        /*
-         * Revision 0x13 of this chipset supports irq remapping
+         * Revision 13 of all triggering devices id in this quirk have
-         * but has an erratum that breaks its behavior, flag it as such
+         * a problem draining interrupts when irq remapping is enabled,
+         * and should be flagged as broken.  Additionally revisions 0x12
+         * and 0x22 of device id 0x3405 has this problem.
         */
        if (revision == 0x13)
                set_irq_remapping_broken();
+        else if ((device == 0x3405) &&
+            ((revision == 0x12) ||
+             (revision == 0x22)))
+                set_irq_remapping_broken();
 }
@@ -239,6 +247,8 @@ static struct chipset early_qrk[] __initdata = {
          PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
        { PCI_VENDOR_ID_INTEL, 0x3403, PCI_CLASS_BRIDGE_HOST,
          PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
+        { PCI_VENDOR_ID_INTEL, 0x3405, PCI_CLASS_BRIDGE_HOST,
+          PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
        { PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST,
          PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
        {}
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 202d24f0f7e7..5d576ab34403 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -116,7 +116,7 @@ static void mxcsr_feature_mask_init(void)
        if (cpu_has_fxsr) {
                memset(&fx_scratch, 0, sizeof(struct i387_fxsave_struct));
-                asm volatile("fxsave %0" : : "m" (fx_scratch));
+                asm volatile("fxsave %0" : "+m" (fx_scratch));
                mask = fx_scratch.mxcsr_mask;
                if (mask == 0)
                        mask = 0x0000ffbf;
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 47ebb1dbfbcb..7a0adb7ee433 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -220,12 +220,13 @@ int apply_microcode_amd(int cpu)
                return 0;
        }
-        if (__apply_microcode_amd(mc_amd))
+        if (__apply_microcode_amd(mc_amd)) {
                pr_err("CPU%d: update failed for patch_level=0x%08x\n",
                        cpu, mc_amd->hdr.patch_id);
-        else
+                return -1;
-                pr_info("CPU%d: new patch_level=0x%08x\n", cpu,
+        }
-                        mc_amd->hdr.patch_id);
+        pr_info("CPU%d: new patch_level=0x%08x\n", cpu,
+                mc_amd->hdr.patch_id);
        uci->cpu_sig.rev = mc_amd->hdr.patch_id;
        c->microcode = mc_amd->hdr.patch_id;
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index fd6c51cc3acb..5a74a9c1e42c 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -451,7 +451,6 @@ static void acpi_processor_remove(struct acpi_device *device)
        /* Clean up. */
        per_cpu(processor_device_array, pr->id) = NULL;
        per_cpu(processors, pr->id) = NULL;
-        try_offline_node(cpu_to_node(pr->id));
        /* Remove the CPU. */
        get_online_cpus();
@@ -459,6 +458,8 @@ static void acpi_processor_remove(struct acpi_device *device)
        acpi_unmap_lsapic(pr->id);
        put_online_cpus();
+        try_offline_node(cpu_to_node(pr->id));
 out:
        free_cpumask_var(pr->throttling.shared_cpu_map);
        kfree(pr);
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index f68095756fb7..408f6b2a5fa8 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -31,6 +31,7 @@ static LIST_HEAD(bus_type_list);
 static DECLARE_RWSEM(bus_type_sem);
 #define PHYSICAL_NODE_STRING "physical_node"
+#define PHYSICAL_NODE_NAME_SIZE (sizeof(PHYSICAL_NODE_STRING) + 10)
 int register_acpi_bus_type(struct acpi_bus_type *type)
 {
@@ -78,41 +79,108 @@ static struct acpi_bus_type *acpi_get_bus_type(struct device *dev)
        return ret;
 }
-static acpi_status do_acpi_find_child(acpi_handle handle, u32 lvl_not_used,
+static acpi_status acpi_dev_present(acpi_handle handle, u32 lvl_not_used,
-                                      void *addr_p, void **ret_p)
+                                  void *not_used, void **ret_p)
 {
-        unsigned long long addr, sta;
+        struct acpi_device *adev = NULL;
-        acpi_status status;
-        status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr);
+        acpi_bus_get_device(handle, &adev);
-        if (ACPI_SUCCESS(status) && addr == *((u64 *)addr_p)) {
+        if (adev) {
                *ret_p = handle;
-                status = acpi_bus_get_status_handle(handle, &sta);
+                return AE_CTRL_TERMINATE;
-                if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_ENABLED))
-                        return AE_CTRL_TERMINATE;
        }
        return AE_OK;
 }
-acpi_handle acpi_get_child(acpi_handle parent, u64 address)
+static bool acpi_extra_checks_passed(acpi_handle handle, bool is_bridge)
 {
-        void *ret = NULL;
+        unsigned long long sta;
+        acpi_status status;
+        status = acpi_bus_get_status_handle(handle, &sta);
+        if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_ENABLED))
+                return false;
+        if (is_bridge) {
+                void *test = NULL;
+                /* Check if this object has at least one child device. */
+                acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1,
+                                    acpi_dev_present, NULL, NULL, &test);
+                return !!test;
+        }
+        return true;
+}
+struct find_child_context {
+        u64 addr;
+        bool is_bridge;
+        acpi_handle ret;
+        bool ret_checked;
+};
+static acpi_status do_find_child(acpi_handle handle, u32 lvl_not_used,
+                                 void *data, void **not_used)
+{
+        struct find_child_context *context = data;
+        unsigned long long addr;
+        acpi_status status;
-        if (!parent)
+        status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr);
-                return NULL;
+        if (ACPI_FAILURE(status) || addr != context->addr)
+                return AE_OK;
-        acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, 1, NULL,
+        if (!context->ret) {
-                            do_acpi_find_child, &address, &ret);
+                /* This is the first matching object.  Save its handle. */
-        return (acpi_handle)ret;
+                context->ret = handle;
+                return AE_OK;
+        }
+        /*
+         * There is more than one matching object with the same _ADR value.
+         * That really is unexpected, so we are kind of beyond the scope of the
+         * spec here.  We have to choose which one to return, though.
+         *
+         * First, check if the previously found object is good enough and return
+         * its handle if so.  Second, check the same for the object that we've
+         * just found.
+         */
+        if (!context->ret_checked) {
+                if (acpi_extra_checks_passed(context->ret, context->is_bridge))
+                        return AE_CTRL_TERMINATE;
+                else
+                        context->ret_checked = true;
+        }
+        if (acpi_extra_checks_passed(handle, context->is_bridge)) {
+                context->ret = handle;
+                return AE_CTRL_TERMINATE;
+        }
+        return AE_OK;
 }
-EXPORT_SYMBOL(acpi_get_child);
+acpi_handle acpi_find_child(acpi_handle parent, u64 addr, bool is_bridge)
+{
+        if (parent) {
+                struct find_child_context context = {
+                        .addr = addr,
+                        .is_bridge = is_bridge,
+                };
+                acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, 1, do_find_child,
+                                    NULL, &context, NULL);
+                return context.ret;
+        }
+        return NULL;
+}
+EXPORT_SYMBOL_GPL(acpi_find_child);
 int acpi_bind_one(struct device *dev, acpi_handle handle)
 {
        struct acpi_device *acpi_dev;
        acpi_status status;
        struct acpi_device_physical_node *physical_node, *pn;
-        char physical_node_name[sizeof(PHYSICAL_NODE_STRING) + 2];
+        char physical_node_name[PHYSICAL_NODE_NAME_SIZE];
+        struct list_head *physnode_list;
+        unsigned int node_id;
        int retval = -EINVAL;
        if (ACPI_HANDLE(dev)) {
@@ -139,25 +207,27 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
        mutex_lock(&acpi_dev->physical_node_lock);
-        /* Sanity check. */
+        /*
-        list_for_each_entry(pn, &acpi_dev->physical_node_list, node)
+         * Keep the list sorted by node_id so that the IDs of removed nodes can
+         * be recycled easily.
+         */
+        physnode_list = &acpi_dev->physical_node_list;
+        node_id = 0;
+        list_for_each_entry(pn, &acpi_dev->physical_node_list, node) {
+                /* Sanity check. */
                if (pn->dev == dev) {
                        dev_warn(dev, "Already associated with ACPI node\n");
                        goto err_free;
                }
+                if (pn->node_id == node_id) {
-        /* allocate physical node id according to physical_node_id_bitmap */
+                        physnode_list = &pn->node;
-        physical_node->node_id =
+                        node_id++;
-                find_first_zero_bit(acpi_dev->physical_node_id_bitmap,
+                }
-                ACPI_MAX_PHYSICAL_NODE);
-        if (physical_node->node_id >= ACPI_MAX_PHYSICAL_NODE) {
-                retval = -ENOSPC;
-                goto err_free;
        }
-        set_bit(physical_node->node_id, acpi_dev->physical_node_id_bitmap);
+        physical_node->node_id = node_id;
        physical_node->dev = dev;
-        list_add_tail(&physical_node->node, &acpi_dev->physical_node_list);
+        list_add(&physical_node->node, physnode_list);
        acpi_dev->physical_node_count++;
        mutex_unlock(&acpi_dev->physical_node_lock);
@@ -208,7 +278,7 @@ int acpi_unbind_one(struct device *dev)
        mutex_lock(&acpi_dev->physical_node_lock);
        list_for_each_safe(node, next, &acpi_dev->physical_node_list) {
-                char physical_node_name[sizeof(PHYSICAL_NODE_STRING) + 2];
+                char physical_node_name[PHYSICAL_NODE_NAME_SIZE];
                entry = list_entry(node, struct acpi_device_physical_node,
                        node);
@@ -216,7 +286,6 @@ int acpi_unbind_one(struct device *dev)
                        continue;
                list_del(node);
-                clear_bit(entry->node_id, acpi_dev->physical_node_id_bitmap);
                acpi_dev->physical_node_count--;
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index aa1227a7e3f2..04a13784dd20 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -311,6 +311,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
                           dev->pnp.bus_id,
                           (u32) dev->wakeup.sleep_state);
+                mutex_lock(&dev->physical_node_lock);
                if (!dev->physical_node_count) {
                        seq_printf(seq, "%c%-8s\n",
                                dev->wakeup.flags.run_wake ? '*' : ' ',
@@ -338,6 +340,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
                                put_device(ldev);
                        }
                }
+                mutex_unlock(&dev->physical_node_lock);
        }
        mutex_unlock(&acpi_device_lock);
        return 0;
@@ -347,12 +351,16 @@ static void physical_device_enable_wakeup(struct acpi_device *adev)
 {
        struct acpi_device_physical_node *entry;
+        mutex_lock(&adev->physical_node_lock);
        list_for_each_entry(entry,
                &adev->physical_node_list, node)
                if (entry->dev && device_can_wakeup(entry->dev)) {
                        bool enable = !device_may_wakeup(entry->dev);
                        device_set_wakeup_enable(entry->dev, enable);
                }
+        mutex_unlock(&adev->physical_node_lock);
 }
 static ssize_t
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 0ec434d2586d..e1284b8dc6ee 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -689,7 +689,7 @@ static int acpi_video_bqc_quirk(struct acpi_video_device *device,
         * Some systems always report current brightness level as maximum
         * through _BQC, we need to test another value for them.
         */
-        test_level = current_level == max_level ? br->levels[2] : max_level;
+        test_level = current_level == max_level ? br->levels[3] : max_level;
        result = acpi_video_device_lcd_set_level(device, test_level);
        if (result)
diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index 4ec7c04b3f82..26386f0b89a8 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -237,6 +237,7 @@ static const struct of_device_id imx_pata_dt_ids[] = {
                /* sentinel */
        }
 };
+MODULE_DEVICE_TABLE(of, imx_pata_dt_ids);
 static struct platform_driver pata_imx_driver = {
        .probe          = pata_imx_probe,
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index e69102696533..3455f833e473 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -719,7 +719,8 @@ static int regcache_sync_block_raw(struct regmap *map, void *block,
                }
        }
-        return regcache_sync_block_raw_flush(map, &data, base, regtmp);
+        return regcache_sync_block_raw_flush(map, &data, base, regtmp +
+                        map->reg_stride);
 }
 int regcache_sync_block(struct regmap *map, void *block,
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 1b456fe9b87a..fc45567ad3ac 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -272,9 +272,12 @@ static struct port *find_port_by_devt_in_portdev(struct ports_device *portdev,
        unsigned long flags;
        spin_lock_irqsave(&portdev->ports_lock, flags);
-        list_for_each_entry(port, &portdev->ports, list)
+        list_for_each_entry(port, &portdev->ports, list) {
-                if (port->cdev->dev == dev)
+                if (port->cdev->dev == dev) {
+                        kref_get(&port->kref);
                        goto out;
+                }
+        }
        port = NULL;
 out:
        spin_unlock_irqrestore(&portdev->ports_lock, flags);
@@ -746,6 +749,10 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
        port = filp->private_data;
+        /* Port is hot-unplugged. */
+        if (!port->guest_connected)
+                return -ENODEV;
        if (!port_has_data(port)) {
                /*
                 * If nothing's connected on the host just return 0 in
@@ -762,7 +769,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
                if (ret < 0)
                        return ret;
        }
-        /* Port got hot-unplugged. */
+        /* Port got hot-unplugged while we were waiting above. */
        if (!port->guest_connected)
                return -ENODEV;
        /*
@@ -932,13 +939,25 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe,
        if (is_rproc_serial(port->out_vq->vdev))
                return -EINVAL;
+        /*
+         * pipe->nrbufs == 0 means there are no data to transfer,
+         * so this returns just 0 for no data.
+         */
+        pipe_lock(pipe);
+        if (!pipe->nrbufs) {
+                ret = 0;
+                goto error_out;
+        }
        ret = wait_port_writable(port, filp->f_flags & O_NONBLOCK);
        if (ret < 0)
-                return ret;
+                goto error_out;
        buf = alloc_buf(port->out_vq, 0, pipe->nrbufs);
-        if (!buf)
+        if (!buf) {
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto error_out;
+        }
        sgl.n = 0;
        sgl.len = 0;
@@ -946,12 +965,17 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe,
        sgl.sg = buf->sg;
        sg_init_table(sgl.sg, sgl.size);
        ret = __splice_from_pipe(pipe, &sd, pipe_to_sg);
+        pipe_unlock(pipe);
        if (likely(ret > 0))
                ret = __send_to_port(port, buf->sg, sgl.n, sgl.len, buf, true);
        if (unlikely(ret <= 0))
                free_buf(buf, true);
        return ret;
+error_out:
+        pipe_unlock(pipe);
+        return ret;
 }
 static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
@@ -1019,14 +1043,14 @@ static int port_fops_open(struct inode *inode, struct file *filp)
        struct port *port;
        int ret;
+        /* We get the port with a kref here */
        port = find_port_by_devt(cdev->dev);
+        if (!port) {
+                /* Port was unplugged before we could proceed */
+                return -ENXIO;
+        }
        filp->private_data = port;
-        /* Prevent against a port getting hot-unplugged at the same time */
-        spin_lock_irq(&port->portdev->ports_lock);
-        kref_get(&port->kref);
-        spin_unlock_irq(&port->portdev->ports_lock);
        /*
         * Don't allow opening of console port devices -- that's done
         * via /dev/hvc
@@ -1498,14 +1522,6 @@ static void remove_port(struct kref *kref)
        port = container_of(kref, struct port, kref);
-        sysfs_remove_group(&port->dev->kobj, &port_attribute_group);
-        device_destroy(pdrvdata.class, port->dev->devt);
-        cdev_del(port->cdev);
-        kfree(port->name);
-        debugfs_remove(port->debugfs_file);
        kfree(port);
 }
@@ -1539,12 +1555,14 @@ static void unplug_port(struct port *port)
        spin_unlock_irq(&port->portdev->ports_lock);
        if (port->guest_connected) {
+                /* Let the app know the port is going down. */
+                send_sigio_to_port(port);
+                /* Do this after sigio is actually sent */
                port->guest_connected = false;
                port->host_connected = false;
-                wake_up_interruptible(&port->waitqueue);
-                /* Let the app know the port is going down. */
+                wake_up_interruptible(&port->waitqueue);
-                send_sigio_to_port(port);
        }
        if (is_console_port(port)) {
@@ -1563,6 +1581,14 @@ static void unplug_port(struct port *port)
         */
        port->portdev = NULL;
+        sysfs_remove_group(&port->dev->kobj, &port_attribute_group);
+        device_destroy(pdrvdata.class, port->dev->devt);
+        cdev_del(port->cdev);
+        kfree(port->name);
+        debugfs_remove(port->debugfs_file);
        /*
         * Locks around here are not necessary - a port can't be
         * opened after we removed the port struct from ports_list
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 0ceb2eff5a7e..f97cb3d8c5a2 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -221,8 +221,8 @@ static ssize_t store_down_threshold(struct dbs_data *dbs_data, const char *buf,
        return count;
 }
-static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
+static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data,
-                size_t count)
+                const char *buf, size_t count)
 {
        struct cs_dbs_tuners *cs_tuners = dbs_data->tuners;
        unsigned int input, j;
@@ -235,10 +235,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
        if (input > 1)
                input = 1;
-        if (input == cs_tuners->ignore_nice) /* nothing to do */
+        if (input == cs_tuners->ignore_nice_load) /* nothing to do */
                return count;
-        cs_tuners->ignore_nice = input;
+        cs_tuners->ignore_nice_load = input;
        /* we need to re-evaluate prev_cpu_idle */
        for_each_online_cpu(j) {
@@ -246,7 +246,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
                dbs_info = &per_cpu(cs_cpu_dbs_info, j);
                dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j,
                                        &dbs_info->cdbs.prev_cpu_wall, 0);
-                if (cs_tuners->ignore_nice)
+                if (cs_tuners->ignore_nice_load)
                        dbs_info->cdbs.prev_cpu_nice =
                                kcpustat_cpu(j).cpustat[CPUTIME_NICE];
        }
@@ -279,7 +279,7 @@ show_store_one(cs, sampling_rate);
 show_store_one(cs, sampling_down_factor);
 show_store_one(cs, up_threshold);
 show_store_one(cs, down_threshold);
-show_store_one(cs, ignore_nice);
+show_store_one(cs, ignore_nice_load);
 show_store_one(cs, freq_step);
 declare_show_sampling_rate_min(cs);
@@ -287,7 +287,7 @@ gov_sys_pol_attr_rw(sampling_rate);
 gov_sys_pol_attr_rw(sampling_down_factor);
 gov_sys_pol_attr_rw(up_threshold);
 gov_sys_pol_attr_rw(down_threshold);
-gov_sys_pol_attr_rw(ignore_nice);
+gov_sys_pol_attr_rw(ignore_nice_load);
 gov_sys_pol_attr_rw(freq_step);
 gov_sys_pol_attr_ro(sampling_rate_min);
@@ -297,7 +297,7 @@ static struct attribute *dbs_attributes_gov_sys[] = {
        &sampling_down_factor_gov_sys.attr,
        &up_threshold_gov_sys.attr,
        &down_threshold_gov_sys.attr,
-        &ignore_nice_gov_sys.attr,
+        &ignore_nice_load_gov_sys.attr,
        &freq_step_gov_sys.attr,
        NULL
 };
@@ -313,7 +313,7 @@ static struct attribute *dbs_attributes_gov_pol[] = {
        &sampling_down_factor_gov_pol.attr,
        &up_threshold_gov_pol.attr,
        &down_threshold_gov_pol.attr,
-        &ignore_nice_gov_pol.attr,
+        &ignore_nice_load_gov_pol.attr,
        &freq_step_gov_pol.attr,
        NULL
 };
@@ -338,7 +338,7 @@ static int cs_init(struct dbs_data *dbs_data)
        tuners->up_threshold = DEF_FREQUENCY_UP_THRESHOLD;
        tuners->down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD;
        tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
-        tuners->ignore_nice = 0;
+        tuners->ignore_nice_load = 0;
        tuners->freq_step = DEF_FREQUENCY_STEP;
        dbs_data->tuners = tuners;
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 7b839a8db2a7..e59afaa9da23 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -47,9 +47,9 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu)
        unsigned int j;
        if (dbs_data->cdata->governor == GOV_ONDEMAND)
-                ignore_nice = od_tuners->ignore_nice;
+                ignore_nice = od_tuners->ignore_nice_load;
        else
-                ignore_nice = cs_tuners->ignore_nice;
+                ignore_nice = cs_tuners->ignore_nice_load;
        policy = cdbs->cur_policy;
@@ -298,12 +298,12 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                cs_tuners = dbs_data->tuners;
                cs_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu);
                sampling_rate = cs_tuners->sampling_rate;
-                ignore_nice = cs_tuners->ignore_nice;
+                ignore_nice = cs_tuners->ignore_nice_load;
        } else {
                od_tuners = dbs_data->tuners;
                od_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu);
                sampling_rate = od_tuners->sampling_rate;
-                ignore_nice = od_tuners->ignore_nice;
+                ignore_nice = od_tuners->ignore_nice_load;
                od_ops = dbs_data->cdata->gov_ops;
                io_busy = od_tuners->io_is_busy;
        }
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 6663ec3b3056..d5f12b4b11b8 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -165,7 +165,7 @@ struct cs_cpu_dbs_info_s {
 /* Per policy Governers sysfs tunables */
 struct od_dbs_tuners {
-        unsigned int ignore_nice;
+        unsigned int ignore_nice_load;
        unsigned int sampling_rate;
        unsigned int sampling_down_factor;
        unsigned int up_threshold;
@@ -175,7 +175,7 @@ struct od_dbs_tuners {
 };
 struct cs_dbs_tuners {
-        unsigned int ignore_nice;
+        unsigned int ignore_nice_load;
        unsigned int sampling_rate;
        unsigned int sampling_down_factor;
        unsigned int up_threshold;
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 93eb5cbcc1f6..c087347d6688 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -403,8 +403,8 @@ static ssize_t store_sampling_down_factor(struct dbs_data *dbs_data,
        return count;
 }
-static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
+static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data,
-                size_t count)
+                const char *buf, size_t count)
 {
        struct od_dbs_tuners *od_tuners = dbs_data->tuners;
        unsigned int input;
@@ -419,10 +419,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
        if (input > 1)
                input = 1;
-        if (input == od_tuners->ignore_nice) { /* nothing to do */
+        if (input == od_tuners->ignore_nice_load) { /* nothing to do */
                return count;
        }
-        od_tuners->ignore_nice = input;
+        od_tuners->ignore_nice_load = input;
        /* we need to re-evaluate prev_cpu_idle */
        for_each_online_cpu(j) {
@@ -430,7 +430,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
                dbs_info = &per_cpu(od_cpu_dbs_info, j);
                dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j,
                        &dbs_info->cdbs.prev_cpu_wall, od_tuners->io_is_busy);
-                if (od_tuners->ignore_nice)
+                if (od_tuners->ignore_nice_load)
                        dbs_info->cdbs.prev_cpu_nice =
                                kcpustat_cpu(j).cpustat[CPUTIME_NICE];
@@ -461,7 +461,7 @@ show_store_one(od, sampling_rate);
 show_store_one(od, io_is_busy);
 show_store_one(od, up_threshold);
 show_store_one(od, sampling_down_factor);
-show_store_one(od, ignore_nice);
+show_store_one(od, ignore_nice_load);
 show_store_one(od, powersave_bias);
 declare_show_sampling_rate_min(od);
@@ -469,7 +469,7 @@ gov_sys_pol_attr_rw(sampling_rate);
 gov_sys_pol_attr_rw(io_is_busy);
 gov_sys_pol_attr_rw(up_threshold);
 gov_sys_pol_attr_rw(sampling_down_factor);
-gov_sys_pol_attr_rw(ignore_nice);
+gov_sys_pol_attr_rw(ignore_nice_load);
 gov_sys_pol_attr_rw(powersave_bias);
 gov_sys_pol_attr_ro(sampling_rate_min);
@@ -478,7 +478,7 @@ static struct attribute *dbs_attributes_gov_sys[] = {
        &sampling_rate_gov_sys.attr,
        &up_threshold_gov_sys.attr,
        &sampling_down_factor_gov_sys.attr,
-        &ignore_nice_gov_sys.attr,
+        &ignore_nice_load_gov_sys.attr,
        &powersave_bias_gov_sys.attr,
        &io_is_busy_gov_sys.attr,
        NULL
@@ -494,7 +494,7 @@ static struct attribute *dbs_attributes_gov_pol[] = {
        &sampling_rate_gov_pol.attr,
        &up_threshold_gov_pol.attr,
        &sampling_down_factor_gov_pol.attr,
-        &ignore_nice_gov_pol.attr,
+        &ignore_nice_load_gov_pol.attr,
        &powersave_bias_gov_pol.attr,
        &io_is_busy_gov_pol.attr,
        NULL
@@ -544,7 +544,7 @@ static int od_init(struct dbs_data *dbs_data)
        }
        tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
-        tuners->ignore_nice = 0;
+        tuners->ignore_nice_load = 0;
        tuners->powersave_bias = default_powersave_bias;
        tuners->io_is_busy = should_io_be_busy();
diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index bb838b985077..9536852c504a 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -118,11 +118,6 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
                clk_put(cpuclk);
                return -EINVAL;
        }
-        ret = clk_set_rate(cpuclk, rate);
-        if (ret) {
-                clk_put(cpuclk);
-                return ret;
-        }
        /* clock table init */
        for (i = 2;
@@ -130,6 +125,12 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
             i++)
                loongson2_clockmod_table[i].frequency = (rate * i) / 8;
+        ret = clk_set_rate(cpuclk, rate);
+        if (ret) {
+                clk_put(cpuclk);
+                return ret;
+        }
        policy->cur = loongson2_cpufreq_get(policy->cpu);
        cpufreq_frequency_table_get_attr(&loongson2_clockmod_table[0],
diff --git a/drivers/dma/sh/shdma.c b/drivers/dma/sh/shdma.c
index b67f45f5c271..5039fbc88254 100644
--- a/drivers/dma/sh/shdma.c
+++ b/drivers/dma/sh/shdma.c
@@ -400,8 +400,8 @@ static size_t sh_dmae_get_partial(struct shdma_chan *schan,
                                                    shdma_chan);
        struct sh_dmae_desc *sh_desc = container_of(sdesc,
                                        struct sh_dmae_desc, shdma_desc);
-        return (sh_desc->hw.tcr - sh_dmae_readl(sh_chan, TCR)) <<
+        return sh_desc->hw.tcr -
-                sh_chan->xmit_shift;
+                (sh_dmae_readl(sh_chan, TCR) << sh_chan->xmit_shift);
 }
 /* Called from error IRQ or NMI */
diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 98d670825a1a..6e8887fe6c1b 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -323,6 +323,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,
        astbo->gem.driver_private = NULL;
        astbo->bo.bdev = &ast->ttm.bdev;
+        astbo->bo.bdev->dev_mapping = dev->dev_mapping;
        ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c
index 0047012045c2..69fd8f1ac8df 100644
--- a/drivers/gpu/drm/cirrus/cirrus_ttm.c
+++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c
@@ -328,6 +328,7 @@ int cirrus_bo_create(struct drm_device *dev, int size, int align,
        cirrusbo->gem.driver_private = NULL;
        cirrusbo->bo.bdev = &cirrus->ttm.bdev;
+        cirrusbo->bo.bdev->dev_mapping = dev->dev_mapping;
        cirrus_ttm_placement(cirrusbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 8bcce7866d36..f92da0a32f0d 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -708,7 +708,10 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc,
        /* Subtract time delta from raw timestamp to get final
         * vblank_time timestamp for end of vblank.
         */
-        etime = ktime_sub_ns(etime, delta_ns);
+        if (delta_ns < 0)
+                etime = ktime_add_ns(etime, -delta_ns);
+        else
+                etime = ktime_sub_ns(etime, delta_ns);
        *vblank_time = ktime_to_timeval(etime);
        DRM_DEBUG("crtc %d : v %d p(%d,%d)@ %ld.%ld -> %ld.%ld [e %d us, %d rep]\n",
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f2326fc60ac9..6f514297c483 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1856,10 +1856,16 @@
 #define CRT_HOTPLUG_DETECT_VOLTAGE_475MV        (1 << 2)
 #define PORT_HOTPLUG_STAT       (dev_priv->info->display_mmio_offset + 0x61114)
-/* HDMI/DP bits are gen4+ */
+/*
-#define   PORTB_HOTPLUG_LIVE_STATUS               (1 << 29)
+ * HDMI/DP bits are gen4+
+ *
+ * WARNING: Bspec for hpd status bits on gen4 seems to be completely confused.
+ * Please check the detailed lore in the commit message for for experimental
+ * evidence.
+ */
+#define   PORTD_HOTPLUG_LIVE_STATUS               (1 << 29)
 #define   PORTC_HOTPLUG_LIVE_STATUS               (1 << 28)
-#define   PORTD_HOTPLUG_LIVE_STATUS               (1 << 27)
+#define   PORTB_HOTPLUG_LIVE_STATUS               (1 << 27)
 #define   PORTD_HOTPLUG_INT_STATUS              (3 << 21)
 #define   PORTC_HOTPLUG_INT_STATUS              (3 << 19)
 #define   PORTB_HOTPLUG_INT_STATUS              (3 << 17)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5fb305840db8..e38b45786653 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8269,9 +8269,11 @@ check_crtc_state(struct drm_device *dev)
                list_for_each_entry(encoder, &dev->mode_config.encoder_list,
                                    base.head) {
+                        enum pipe pipe;
                        if (encoder->base.crtc != &crtc->base)
                                continue;
-                        if (encoder->get_config)
+                        if (encoder->get_config &&
+                            encoder->get_hw_state(encoder, &pipe))
                                encoder->get_config(encoder, &pipe_config);
                }
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 67e2c1f1c9a8..5950888ae1d0 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -497,8 +497,11 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level, u32 max)
                goto out;
        }
-        /* scale to hardware */
+        /* scale to hardware, but be careful to not overflow */
-        level = level * freq / max;
+        if (freq < max)
+                level = level * freq / max;
+        else
+                level = freq / max * level;
        dev_priv->backlight.level = level;
        if (dev_priv->backlight.device)
@@ -515,6 +518,17 @@ void intel_panel_disable_backlight(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        unsigned long flags;
+        /*
+         * Do not disable backlight on the vgaswitcheroo path. When switching
+         * away from i915, the other client may depend on i915 to handle the
+         * backlight. This will leave the backlight on unnecessarily when
+         * another client is not activated.
+         */
+        if (dev->switch_power_state == DRM_SWITCH_POWER_CHANGING) {
+                DRM_DEBUG_DRIVER("Skipping backlight disable on vga switch\n");
+                return;
+        }
        spin_lock_irqsave(&dev_priv->backlight.lock, flags);
        dev_priv->backlight.enabled = false;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index f895d1508df8..b0e4a0bd1313 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5063,8 +5063,26 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
                }
        } else {
                if (enable_requested) {
+                        unsigned long irqflags;
+                        enum pipe p;
                        I915_WRITE(HSW_PWR_WELL_DRIVER, 0);
+                        POSTING_READ(HSW_PWR_WELL_DRIVER);
                        DRM_DEBUG_KMS("Requesting to disable the power well\n");
+                        /*
+                         * After this, the registers on the pipes that are part
+                         * of the power well will become zero, so we have to
+                         * adjust our counters according to that.
+                         *
+                         * FIXME: Should we do this in general in
+                         * drm_vblank_post_modeset?
+                         */
+                        spin_lock_irqsave(&dev->vbl_lock, irqflags);
+                        for_each_pipe(p)
+                                if (p != PIPE_A)
+                                        dev->last_vblank[p] = 0;
+                        spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
                }
        }
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c
index 13878d5de063..d70e4a92773b 100644
--- a/drivers/gpu/drm/mgag200/mgag200_ttm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c
@@ -323,6 +323,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align,
        mgabo->gem.driver_private = NULL;
        mgabo->bo.bdev = &mdev->ttm.bdev;
+        mgabo->bo.bdev->dev_mapping = dev->dev_mapping;
        mgag200_ttm_placement(mgabo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index 0bfd55e08820..9953e1fbc46d 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -2548,9 +2548,6 @@ int btc_dpm_init(struct radeon_device *rdev)
 {
        struct rv7xx_power_info *pi;
        struct evergreen_power_info *eg_pi;
-        int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
-        u16 data_offset, size;
-        u8 frev, crev;
        struct atom_clock_dividers dividers;
        int ret;
@@ -2633,16 +2630,7 @@ int btc_dpm_init(struct radeon_device *rdev)
        eg_pi->vddci_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
-        if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
+        rv770_get_engine_memory_ss(rdev);
-                                   &frev, &crev, &data_offset)) {
-                pi->sclk_ss = true;
-                pi->mclk_ss = true;
-                pi->dynamic_ss = true;
-        } else {
-                pi->sclk_ss = false;
-                pi->mclk_ss = false;
-                pi->dynamic_ss = true;
-        }
        pi->asi = RV770_ASI_DFLT;
        pi->pasi = CYPRESS_HASI_DFLT;
@@ -2659,8 +2647,7 @@ int btc_dpm_init(struct radeon_device *rdev)
        pi->dynamic_pcie_gen2 = true;
-        if (pi->gfx_clock_gating &&
+        if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
-            (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
                pi->thermal_protection = true;
        else
                pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 6dacec4e2090..8928bd109c16 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -2587,9 +2587,11 @@ u32 cik_compute_ring_get_rptr(struct radeon_device *rdev,
        if (rdev->wb.enabled) {
                rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
        } else {
+                mutex_lock(&rdev->srbm_mutex);
                cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0);
                rptr = RREG32(CP_HQD_PQ_RPTR);
                cik_srbm_select(rdev, 0, 0, 0, 0);
+                mutex_unlock(&rdev->srbm_mutex);
        }
        rptr = (rptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift;
@@ -2604,9 +2606,11 @@ u32 cik_compute_ring_get_wptr(struct radeon_device *rdev,
        if (rdev->wb.enabled) {
                wptr = le32_to_cpu(rdev->wb.wb[ring->wptr_offs/4]);
        } else {
+                mutex_lock(&rdev->srbm_mutex);
                cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0);
                wptr = RREG32(CP_HQD_PQ_WPTR);
                cik_srbm_select(rdev, 0, 0, 0, 0);
+                mutex_unlock(&rdev->srbm_mutex);
        }
        wptr = (wptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift;
@@ -2897,6 +2901,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
        WREG32(CP_CPF_DEBUG, tmp);
        /* init the pipes */
+        mutex_lock(&rdev->srbm_mutex);
        for (i = 0; i < (rdev->mec.num_pipe * rdev->mec.num_mec); i++) {
                int me = (i < 4) ? 1 : 2;
                int pipe = (i < 4) ? i : (i - 4);
@@ -2919,6 +2924,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
                WREG32(CP_HPD_EOP_CONTROL, tmp);
        }
        cik_srbm_select(rdev, 0, 0, 0, 0);
+        mutex_unlock(&rdev->srbm_mutex);
        /* init the queues.  Just two for now. */
        for (i = 0; i < 2; i++) {
@@ -2972,6 +2978,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
                mqd->static_thread_mgmt23[0] = 0xffffffff;
                mqd->static_thread_mgmt23[1] = 0xffffffff;
+                mutex_lock(&rdev->srbm_mutex);
                cik_srbm_select(rdev, rdev->ring[idx].me,
                                rdev->ring[idx].pipe,
                                rdev->ring[idx].queue, 0);
@@ -3099,6 +3106,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
                WREG32(CP_HQD_ACTIVE, mqd->queue_state.cp_hqd_active);
                cik_srbm_select(rdev, 0, 0, 0, 0);
+                mutex_unlock(&rdev->srbm_mutex);
                radeon_bo_kunmap(rdev->ring[idx].mqd_obj);
                radeon_bo_unreserve(rdev->ring[idx].mqd_obj);
@@ -4320,6 +4328,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
        /* XXX SH_MEM regs */
        /* where to put LDS, scratch, GPUVM in FSA64 space */
+        mutex_lock(&rdev->srbm_mutex);
        for (i = 0; i < 16; i++) {
                cik_srbm_select(rdev, 0, 0, 0, i);
                /* CP and shaders */
@@ -4335,6 +4344,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
                /* XXX SDMA RLC - todo */
        }
        cik_srbm_select(rdev, 0, 0, 0, 0);
+        mutex_unlock(&rdev->srbm_mutex);
        cik_pcie_gart_tlb_flush(rdev);
        DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
@@ -5954,6 +5964,8 @@ static int cik_startup(struct radeon_device *rdev)
        struct radeon_ring *ring;
        int r;
+        cik_mc_program(rdev);
        if (rdev->flags & RADEON_IS_IGP) {
                if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
                    !rdev->mec_fw || !rdev->sdma_fw || !rdev->rlc_fw) {
@@ -5985,7 +5997,6 @@ static int cik_startup(struct radeon_device *rdev)
        if (r)
                return r;
-        cik_mc_program(rdev);
        r = cik_pcie_gart_enable(rdev);
        if (r)
                return r;
@@ -6194,7 +6205,7 @@ int cik_suspend(struct radeon_device *rdev)
        radeon_vm_manager_fini(rdev);
        cik_cp_enable(rdev, false);
        cik_sdma_enable(rdev, false);
-        r600_uvd_rbc_stop(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_suspend(rdev);
        cik_irq_suspend(rdev);
        radeon_wb_disable(rdev);
@@ -6358,6 +6369,7 @@ void cik_fini(struct radeon_device *rdev)
        radeon_vm_manager_fini(rdev);
        radeon_ib_pool_fini(rdev);
        radeon_irq_kms_fini(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_fini(rdev);
        cik_pcie_gart_fini(rdev);
        r600_vram_scratch_fini(rdev);
@@ -6978,7 +6990,7 @@ int cik_uvd_resume(struct radeon_device *rdev)
        /* programm the VCPU memory controller bits 0-27 */
        addr = rdev->uvd.gpu_addr >> 3;
-        size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3;
+        size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
        WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
        WREG32(UVD_VCPU_CACHE_SIZE0, size);
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 9bcdd174780f..7e5d0b570a30 100644
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -2038,9 +2038,6 @@ int cypress_dpm_init(struct radeon_device *rdev)
 {
        struct rv7xx_power_info *pi;
        struct evergreen_power_info *eg_pi;
-        int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
-        uint16_t data_offset, size;
-        uint8_t frev, crev;
        struct atom_clock_dividers dividers;
        int ret;
@@ -2092,16 +2089,7 @@ int cypress_dpm_init(struct radeon_device *rdev)
        eg_pi->vddci_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
-        if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
+        rv770_get_engine_memory_ss(rdev);
-                                   &frev, &crev, &data_offset)) {
-                pi->sclk_ss = true;
-                pi->mclk_ss = true;
-                pi->dynamic_ss = true;
-        } else {
-                pi->sclk_ss = false;
-                pi->mclk_ss = false;
-                pi->dynamic_ss = true;
-        }
        pi->asi = RV770_ASI_DFLT;
        pi->pasi = CYPRESS_HASI_DFLT;
@@ -2122,8 +2110,7 @@ int cypress_dpm_init(struct radeon_device *rdev)
        pi->dynamic_pcie_gen2 = true;
-        if (pi->gfx_clock_gating &&
+        if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
-            (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
                pi->thermal_protection = true;
        else
                pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 038dcac7670c..d5b49e33315e 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -5106,6 +5106,8 @@ static int evergreen_startup(struct radeon_device *rdev)
        /* enable aspm */
        evergreen_program_aspm(rdev);
+        evergreen_mc_program(rdev);
        if (ASIC_IS_DCE5(rdev)) {
                if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
                        r = ni_init_microcode(rdev);
@@ -5133,7 +5135,6 @@ static int evergreen_startup(struct radeon_device *rdev)
        if (r)
                return r;
-        evergreen_mc_program(rdev);
        if (rdev->flags & RADEON_IS_AGP) {
                evergreen_agp_enable(rdev);
        } else {
@@ -5291,10 +5292,10 @@ int evergreen_resume(struct radeon_device *rdev)
 int evergreen_suspend(struct radeon_device *rdev)
 {
        r600_audio_fini(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_suspend(rdev);
        r700_cp_stop(rdev);
        r600_dma_stop(rdev);
-        r600_uvd_rbc_stop(rdev);
        evergreen_irq_suspend(rdev);
        radeon_wb_disable(rdev);
        evergreen_pcie_gart_disable(rdev);
@@ -5429,6 +5430,7 @@ void evergreen_fini(struct radeon_device *rdev)
        radeon_ib_pool_fini(rdev);
        radeon_irq_kms_fini(rdev);
        evergreen_pcie_gart_fini(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_fini(rdev);
        r600_vram_scratch_fini(rdev);
        radeon_gem_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index bb9ea3641312..b0e280058b9b 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -148,18 +148,40 @@ static void evergreen_audio_set_dto(struct drm_encoder *encoder, u32 clock)
        struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
        struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
        u32 base_rate = 24000;
+        u32 max_ratio = clock / base_rate;
+        u32 dto_phase;
+        u32 dto_modulo = clock;
+        u32 wallclock_ratio;
+        u32 dto_cntl;
        if (!dig || !dig->afmt)
                return;
+        if (max_ratio >= 8) {
+                dto_phase = 192 * 1000;
+                wallclock_ratio = 3;
+        } else if (max_ratio >= 4) {
+                dto_phase = 96 * 1000;
+                wallclock_ratio = 2;
+        } else if (max_ratio >= 2) {
+                dto_phase = 48 * 1000;
+                wallclock_ratio = 1;
+        } else {
+                dto_phase = 24 * 1000;
+                wallclock_ratio = 0;
+        }
+        dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
+        dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
+        WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
        /* XXX two dtos; generally use dto0 for hdmi */
        /* Express [24MHz / target pixel clock] as an exact rational
         * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
         * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
         */
        WREG32(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL(radeon_crtc->crtc_id));
-        WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
+        WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
-        WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
+        WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo);
 }
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index a7baf67aef6c..0d582ac1dc31 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -497,6 +497,9 @@
 #define DCCG_AUDIO_DTO0_MODULE            0x05b4
 #define DCCG_AUDIO_DTO0_LOAD              0x05b8
 #define DCCG_AUDIO_DTO0_CNTL              0x05bc
+#       define DCCG_AUDIO_DTO_WALLCLOCK_RATIO(x) (((x) & 7) << 0)
+#       define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK 7
+#       define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_SHIFT 0
 #define DCCG_AUDIO_DTO1_PHASE             0x05c0
 #define DCCG_AUDIO_DTO1_MODULE            0x05c4
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 56bd4f3be4fe..ccb4f8b54852 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -794,9 +794,13 @@ int ni_init_microcode(struct radeon_device *rdev)
        if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
                snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
                err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
-                if (err)
+                if (err) {
-                        goto out;
+                        printk(KERN_ERR
-                if (rdev->smc_fw->size != smc_req_size) {
+                               "smc: error loading firmware \"%s\"\n",
+                               fw_name);
+                        release_firmware(rdev->smc_fw);
+                        rdev->smc_fw = NULL;
+                } else if (rdev->smc_fw->size != smc_req_size) {
                        printk(KERN_ERR
                               "ni_mc: Bogus length %zu in firmware \"%s\"\n",
                               rdev->mc_fw->size, fw_name);
@@ -2079,6 +2083,8 @@ static int cayman_startup(struct radeon_device *rdev)
        /* enable aspm */
        evergreen_program_aspm(rdev);
+        evergreen_mc_program(rdev);
        if (rdev->flags & RADEON_IS_IGP) {
                if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
                        r = ni_init_microcode(rdev);
@@ -2107,7 +2113,6 @@ static int cayman_startup(struct radeon_device *rdev)
        if (r)
                return r;
-        evergreen_mc_program(rdev);
        r = cayman_pcie_gart_enable(rdev);
        if (r)
                return r;
@@ -2286,7 +2291,7 @@ int cayman_suspend(struct radeon_device *rdev)
        radeon_vm_manager_fini(rdev);
        cayman_cp_enable(rdev, false);
        cayman_dma_stop(rdev);
-        r600_uvd_rbc_stop(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_suspend(rdev);
        evergreen_irq_suspend(rdev);
        radeon_wb_disable(rdev);
@@ -2418,6 +2423,7 @@ void cayman_fini(struct radeon_device *rdev)
        radeon_vm_manager_fini(rdev);
        radeon_ib_pool_fini(rdev);
        radeon_irq_kms_fini(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_fini(rdev);
        cayman_pcie_gart_fini(rdev);
        r600_vram_scratch_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 4f9b9bc20daa..f0f5f748938a 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -4067,9 +4067,6 @@ int ni_dpm_init(struct radeon_device *rdev)
        struct rv7xx_power_info *pi;
        struct evergreen_power_info *eg_pi;
        struct ni_power_info *ni_pi;
-        int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
-        u16 data_offset, size;
-        u8 frev, crev;
        struct atom_clock_dividers dividers;
        int ret;
@@ -4162,16 +4159,7 @@ int ni_dpm_init(struct radeon_device *rdev)
        eg_pi->vddci_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
-        if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
+        rv770_get_engine_memory_ss(rdev);
-                                   &frev, &crev, &data_offset)) {
-                pi->sclk_ss = true;
-                pi->mclk_ss = true;
-                pi->dynamic_ss = true;
-        } else {
-                pi->sclk_ss = false;
-                pi->mclk_ss = false;
-                pi->dynamic_ss = true;
-        }
        pi->asi = RV770_ASI_DFLT;
        pi->pasi = CYPRESS_HASI_DFLT;
@@ -4188,8 +4176,7 @@ int ni_dpm_init(struct radeon_device *rdev)
        pi->dynamic_pcie_gen2 = true;
-        if (pi->gfx_clock_gating &&
+        if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
-            (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
                pi->thermal_protection = true;
        else
                pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 10f712e37003..e66e72077350 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2299,9 +2299,13 @@ int r600_init_microcode(struct radeon_device *rdev)
        if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
                snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
                err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
-                if (err)
+                if (err) {
-                        goto out;
+                        printk(KERN_ERR
-                if (rdev->smc_fw->size != smc_req_size) {
+                               "smc: error loading firmware \"%s\"\n",
+                               fw_name);
+                        release_firmware(rdev->smc_fw);
+                        rdev->smc_fw = NULL;
+                } else if (rdev->smc_fw->size != smc_req_size) {
                        printk(KERN_ERR
                               "smc: Bogus length %zu in firmware \"%s\"\n",
                               rdev->smc_fw->size, fw_name);
@@ -2697,12 +2701,29 @@ int r600_uvd_rbc_start(struct radeon_device *rdev)
        return 0;
 }
-void r600_uvd_rbc_stop(struct radeon_device *rdev)
+void r600_uvd_stop(struct radeon_device *rdev)
 {
        struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
        /* force RBC into idle state */
        WREG32(UVD_RBC_RB_CNTL, 0x11010101);
+        /* Stall UMC and register bus before resetting VCPU */
+        WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
+        WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
+        mdelay(1);
+        /* put VCPU into reset */
+        WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET);
+        mdelay(5);
+        /* disable VCPU clock */
+        WREG32(UVD_VCPU_CNTL, 0x0);
+        /* Unstall UMC and register bus */
+        WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
+        WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
        ring->ready = false;
 }
@@ -2722,6 +2743,11 @@ int r600_uvd_init(struct radeon_device *rdev)
        /* disable interupt */
        WREG32_P(UVD_MASTINT_EN, 0, ~(1 << 1));
+        /* Stall UMC and register bus before resetting VCPU */
+        WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
+        WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
+        mdelay(1);
        /* put LMI, VCPU, RBC etc... into reset */
        WREG32(UVD_SOFT_RESET, LMI_SOFT_RESET | VCPU_SOFT_RESET |
               LBSI_SOFT_RESET | RBC_SOFT_RESET | CSM_SOFT_RESET |
@@ -2751,10 +2777,6 @@ int r600_uvd_init(struct radeon_device *rdev)
        WREG32(UVD_MPC_SET_ALU, 0);
        WREG32(UVD_MPC_SET_MUX, 0x88);
-        /* Stall UMC */
-        WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
-        WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
        /* take all subblocks out of reset, except VCPU */
        WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET);
        mdelay(5);
@@ -3312,6 +3334,8 @@ static int r600_startup(struct radeon_device *rdev)
        /* enable pcie gen2 link */
        r600_pcie_gen2_enable(rdev);
+        r600_mc_program(rdev);
        if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
                r = r600_init_microcode(rdev);
                if (r) {
@@ -3324,7 +3348,6 @@ static int r600_startup(struct radeon_device *rdev)
        if (r)
                return r;
-        r600_mc_program(rdev);
        if (rdev->flags & RADEON_IS_AGP) {
                r600_agp_enable(rdev);
        } else {
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index f48240bb8c56..f264df5470f7 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -226,10 +226,29 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
        struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
        struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
        u32 base_rate = 24000;
+        u32 max_ratio = clock / base_rate;
+        u32 dto_phase;
+        u32 dto_modulo = clock;
+        u32 wallclock_ratio;
+        u32 dto_cntl;
        if (!dig || !dig->afmt)
                return;
+        if (max_ratio >= 8) {
+                dto_phase = 192 * 1000;
+                wallclock_ratio = 3;
+        } else if (max_ratio >= 4) {
+                dto_phase = 96 * 1000;
+                wallclock_ratio = 2;
+        } else if (max_ratio >= 2) {
+                dto_phase = 48 * 1000;
+                wallclock_ratio = 1;
+        } else {
+                dto_phase = 24 * 1000;
+                wallclock_ratio = 0;
+        }
        /* there are two DTOs selected by DCCG_AUDIO_DTO_SELECT.
         * doesn't matter which one you use.  Just use the first one.
         */
@@ -242,9 +261,21 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
                /* according to the reg specs, this should DCE3.2 only, but in
                 * practice it seems to cover DCE3.0 as well.
                 */
-                WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
+                if (dig->dig_encoder == 0) {
-                WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
+                        dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
-                WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
+                        dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
+                        WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
+                        WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
+                        WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo);
+                        WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
+                } else {
+                        dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
+                        dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
+                        WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl);
+                        WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase);
+                        WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo);
+                        WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
+                }
        } else {
                /* according to the reg specs, this should be DCE2.0 and DCE3.0 */
                WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 8e3fe815edab..7c780839a7f4 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -933,6 +933,9 @@
 #define DCCG_AUDIO_DTO0_LOAD              0x051c
 #       define DTO_LOAD                   (1 << 31)
 #define DCCG_AUDIO_DTO0_CNTL              0x0520
+#       define DCCG_AUDIO_DTO_WALLCLOCK_RATIO(x) (((x) & 7) << 0)
+#       define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK 7
+#       define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_SHIFT 0
 #define DCCG_AUDIO_DTO1_PHASE             0x0524
 #define DCCG_AUDIO_DTO1_MODULE            0x0528
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 2f08219c39b6..274b8e1b889f 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1468,7 +1468,6 @@ struct radeon_uvd {
        void                    *cpu_addr;
        uint64_t                gpu_addr;
        void                    *saved_bo;
-        unsigned                fw_size;
        atomic_t                handles[RADEON_MAX_UVD_HANDLES];
        struct drm_file         *filp[RADEON_MAX_UVD_HANDLES];
        struct delayed_work     idle_work;
@@ -2066,6 +2065,7 @@ struct radeon_device {
        const struct firmware *mec_fw;  /* CIK MEC firmware */
        const struct firmware *sdma_fw; /* CIK SDMA firmware */
        const struct firmware *smc_fw;  /* SMC firmware */
+        const struct firmware *uvd_fw;  /* UVD firmware */
        struct r600_blit r600_blit;
        struct r600_vram_scratch vram_scratch;
        int msi_enabled; /* msi enabled */
@@ -2095,6 +2095,8 @@ struct radeon_device {
        /* ACPI interface */
        struct radeon_atif              atif;
        struct radeon_atcs              atcs;
+        /* srbm instance registers */
+        struct mutex                    srbm_mutex;
 };
 int radeon_device_init(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 902479fa737f..3d61d5aac18f 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -441,7 +441,7 @@ void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
 /* uvd */
 int r600_uvd_init(struct radeon_device *rdev);
 int r600_uvd_rbc_start(struct radeon_device *rdev);
-void r600_uvd_rbc_stop(struct radeon_device *rdev);
+void r600_uvd_stop(struct radeon_device *rdev);
 int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
 void r600_uvd_fence_emit(struct radeon_device *rdev,
                         struct radeon_fence *fence);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 82335e38ec4f..63398ae1dbf5 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1163,6 +1163,7 @@ int radeon_device_init(struct radeon_device *rdev,
        mutex_init(&rdev->gem.mutex);
        mutex_init(&rdev->pm.mutex);
        mutex_init(&rdev->gpu_clock_mutex);
+        mutex_init(&rdev->srbm_mutex);
        init_rwsem(&rdev->pm.mclk_lock);
        init_rwsem(&rdev->exclusive_lock);
        init_waitqueue_head(&rdev->irq.vblank_queue);
@@ -1519,6 +1520,7 @@ int radeon_gpu_reset(struct radeon_device *rdev)
        radeon_save_bios_scratch_regs(rdev);
        /* block TTM */
        resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
+        radeon_pm_suspend(rdev);
        radeon_suspend(rdev);
        for (i = 0; i < RADEON_NUM_RINGS; ++i) {
@@ -1564,6 +1566,7 @@ retry:
                }
        }
+        radeon_pm_resume(rdev);
        drm_helper_resume_force_mode(rdev->ddev);
        ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 7ddb0efe2408..ddb8f8e04eb5 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -782,7 +782,7 @@ int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring)
                } else {
                        /* put fence directly behind firmware */
-                        index = ALIGN(rdev->uvd.fw_size, 8);
+                        index = ALIGN(rdev->uvd_fw->size, 8);
                        rdev->fence_drv[ring].cpu_addr = rdev->uvd.cpu_addr + index;
                        rdev->fence_drv[ring].gpu_addr = rdev->uvd.gpu_addr + index;
                }
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 6a51d943ccf4..b990b1a2bd50 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -207,7 +207,6 @@ void radeon_gart_table_vram_free(struct radeon_device *rdev)
        if (rdev->gart.robj == NULL) {
                return;
        }
-        radeon_gart_table_vram_unpin(rdev);
        radeon_bo_unref(&rdev->gart.robj);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index f374c467aaca..c557850cd345 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1176,7 +1176,14 @@ int radeon_pm_init(struct radeon_device *rdev)
        case CHIP_VERDE:
        case CHIP_OLAND:
        case CHIP_HAINAN:
-                if (radeon_dpm == 1)
+                /* DPM requires the RLC, RV770+ dGPU requires SMC */
+                if (!rdev->rlc_fw)
+                        rdev->pm.pm_method = PM_METHOD_PROFILE;
+                else if ((rdev->family >= CHIP_RV770) &&
+                         (!(rdev->flags & RADEON_IS_IGP)) &&
+                         (!rdev->smc_fw))
+                        rdev->pm.pm_method = PM_METHOD_PROFILE;
+                else if (radeon_dpm == 1)
                        rdev->pm.pm_method = PM_METHOD_DPM;
                else
                        rdev->pm.pm_method = PM_METHOD_PROFILE;
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 414fd145d20e..f1c15754e73c 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -56,7 +56,6 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work);
 int radeon_uvd_init(struct radeon_device *rdev)
 {
-        const struct firmware *fw;
        unsigned long bo_size;
        const char *fw_name;
        int i, r;
@@ -105,14 +104,14 @@ int radeon_uvd_init(struct radeon_device *rdev)
                return -EINVAL;
        }
-        r = request_firmware(&fw, fw_name, rdev->dev);
+        r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
        if (r) {
                dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
                        fw_name);
                return r;
        }
-        bo_size = RADEON_GPU_PAGE_ALIGN(fw->size + 8) +
+        bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
                  RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE;
        r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
                             RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->uvd.vcpu_bo);
@@ -145,12 +144,6 @@ int radeon_uvd_init(struct radeon_device *rdev)
        radeon_bo_unreserve(rdev->uvd.vcpu_bo);
-        rdev->uvd.fw_size = fw->size;
-        memset(rdev->uvd.cpu_addr, 0, bo_size);
-        memcpy(rdev->uvd.cpu_addr, fw->data, fw->size);
-        release_firmware(fw);
        for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
                atomic_set(&rdev->uvd.handles[i], 0);
                rdev->uvd.filp[i] = NULL;
@@ -174,33 +167,60 @@ void radeon_uvd_fini(struct radeon_device *rdev)
        }
        radeon_bo_unref(&rdev->uvd.vcpu_bo);
+        release_firmware(rdev->uvd_fw);
 }
 int radeon_uvd_suspend(struct radeon_device *rdev)
 {
        unsigned size;
+        void *ptr;
+        int i;
        if (rdev->uvd.vcpu_bo == NULL)
                return 0;
+        for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i)
+                if (atomic_read(&rdev->uvd.handles[i]))
+                        break;
+        if (i == RADEON_MAX_UVD_HANDLES)
+                return 0;
        size = radeon_bo_size(rdev->uvd.vcpu_bo);
+        size -= rdev->uvd_fw->size;
+        ptr = rdev->uvd.cpu_addr;
+        ptr += rdev->uvd_fw->size;
        rdev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
-        memcpy(rdev->uvd.saved_bo, rdev->uvd.cpu_addr, size);
+        memcpy(rdev->uvd.saved_bo, ptr, size);
        return 0;
 }
 int radeon_uvd_resume(struct radeon_device *rdev)
 {
+        unsigned size;
+        void *ptr;
        if (rdev->uvd.vcpu_bo == NULL)
                return -EINVAL;
+        memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size);
+        size = radeon_bo_size(rdev->uvd.vcpu_bo);
+        size -= rdev->uvd_fw->size;
+        ptr = rdev->uvd.cpu_addr;
+        ptr += rdev->uvd_fw->size;
        if (rdev->uvd.saved_bo != NULL) {
-                unsigned size = radeon_bo_size(rdev->uvd.vcpu_bo);
+                memcpy(ptr, rdev->uvd.saved_bo, size);
-                memcpy(rdev->uvd.cpu_addr, rdev->uvd.saved_bo, size);
                kfree(rdev->uvd.saved_bo);
                rdev->uvd.saved_bo = NULL;
-        }
+        } else
+                memset(ptr, 0, size);
        return 0;
 }
@@ -215,8 +235,8 @@ void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp)
 {
        int i, r;
        for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
-                if (rdev->uvd.filp[i] == filp) {
+                uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
-                        uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
+                if (handle != 0 && rdev->uvd.filp[i] == filp) {
                        struct radeon_fence *fence;
                        r = radeon_uvd_get_destroy_msg(rdev,
@@ -337,8 +357,10 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
        }
        r = radeon_bo_kmap(bo, &ptr);
-        if (r)
+        if (r) {
+                DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);
                return r;
+        }
        msg = ptr + offset;
@@ -364,8 +386,14 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
                radeon_bo_kunmap(bo);
                return 0;
        } else {
-                /* it's a create msg, no special handling needed */
                radeon_bo_kunmap(bo);
+                if (msg_type != 0) {
+                        DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
+                        return -EINVAL;
+                }
+                /* it's a create msg, no special handling needed */
        }
        /* create or decode, validate the handle */
@@ -388,7 +416,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
                               int data0, int data1,
-                               unsigned buf_sizes[])
+                               unsigned buf_sizes[], bool *has_msg_cmd)
 {
        struct radeon_cs_chunk *relocs_chunk;
        struct radeon_cs_reloc *reloc;
@@ -417,7 +445,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
        if (cmd < 0x4) {
                if ((end - start) < buf_sizes[cmd]) {
-                        DRM_ERROR("buffer to small (%d / %d)!\n",
+                        DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
                                  (unsigned)(end - start), buf_sizes[cmd]);
                        return -EINVAL;
                }
@@ -442,9 +470,17 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
        }
        if (cmd == 0) {
+                if (*has_msg_cmd) {
+                        DRM_ERROR("More than one message in a UVD-IB!\n");
+                        return -EINVAL;
+                }
+                *has_msg_cmd = true;
                r = radeon_uvd_cs_msg(p, reloc->robj, offset, buf_sizes);
                if (r)
                        return r;
+        } else if (!*has_msg_cmd) {
+                DRM_ERROR("Message needed before other commands are send!\n");
+                return -EINVAL;
        }
        return 0;
@@ -453,7 +489,8 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
 static int radeon_uvd_cs_reg(struct radeon_cs_parser *p,
                             struct radeon_cs_packet *pkt,
                             int *data0, int *data1,
-                             unsigned buf_sizes[])
+                             unsigned buf_sizes[],
+                             bool *has_msg_cmd)
 {
        int i, r;
@@ -467,7 +504,8 @@ static int radeon_uvd_cs_reg(struct radeon_cs_parser *p,
                        *data1 = p->idx;
                        break;
                case UVD_GPCOM_VCPU_CMD:
-                        r = radeon_uvd_cs_reloc(p, *data0, *data1, buf_sizes);
+                        r = radeon_uvd_cs_reloc(p, *data0, *data1,
+                                                buf_sizes, has_msg_cmd);
                        if (r)
                                return r;
                        break;
@@ -488,6 +526,9 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p)
        struct radeon_cs_packet pkt;
        int r, data0 = 0, data1 = 0;
+        /* does the IB has a msg command */
+        bool has_msg_cmd = false;
        /* minimum buffer sizes */
        unsigned buf_sizes[] = {
                [0x00000000]    =       2048,
@@ -514,8 +555,8 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p)
                        return r;
                switch (pkt.type) {
                case RADEON_PACKET_TYPE0:
-                        r = radeon_uvd_cs_reg(p, &pkt, &data0,
+                        r = radeon_uvd_cs_reg(p, &pkt, &data0, &data1,
-                                              &data1, buf_sizes);
+                                              buf_sizes, &has_msg_cmd);
                        if (r)
                                return r;
                        break;
@@ -527,6 +568,12 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p)
                        return -EINVAL;
                }
        } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
+        if (!has_msg_cmd) {
+                DRM_ERROR("UVD-IBs need a msg command!\n");
+                return -EINVAL;
+        }
        return 0;
 }
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 363018c60412..bdd888b4db2b 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1944,9 +1944,7 @@ static int rv6xx_parse_power_table(struct radeon_device *rdev)
 int rv6xx_dpm_init(struct radeon_device *rdev)
 {
-        int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
+        struct radeon_atom_ss ss;
-        uint16_t data_offset, size;
-        uint8_t frev, crev;
        struct atom_clock_dividers dividers;
        struct rv6xx_power_info *pi;
        int ret;
@@ -1989,16 +1987,18 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
        pi->gfx_clock_gating = true;
-        if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
+        pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
-                                   &frev, &crev, &data_offset)) {
+                                                       ASIC_INTERNAL_ENGINE_SS, 0);
-                pi->sclk_ss = true;
+        pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
-                pi->mclk_ss = true;
+                                                       ASIC_INTERNAL_MEMORY_SS, 0);
+        /* Disable sclk ss, causes hangs on a lot of systems */
+        pi->sclk_ss = false;
+        if (pi->sclk_ss || pi->mclk_ss)
                pi->dynamic_ss = true;
-        } else {
+        else
-                pi->sclk_ss = false;
-                pi->mclk_ss = false;
                pi->dynamic_ss = false;
-        }
        pi->dynamic_pcie_gen2 = true;
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 30ea14e8854c..bcc68ec204ad 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -813,7 +813,7 @@ int rv770_uvd_resume(struct radeon_device *rdev)
        /* programm the VCPU memory controller bits 0-27 */
        addr = rdev->uvd.gpu_addr >> 3;
-        size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3;
+        size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
        WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
        WREG32(UVD_VCPU_CACHE_SIZE0, size);
@@ -1829,6 +1829,8 @@ static int rv770_startup(struct radeon_device *rdev)
        /* enable pcie gen2 link */
        rv770_pcie_gen2_enable(rdev);
+        rv770_mc_program(rdev);
        if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
                r = r600_init_microcode(rdev);
                if (r) {
@@ -1841,7 +1843,6 @@ static int rv770_startup(struct radeon_device *rdev)
        if (r)
                return r;
-        rv770_mc_program(rdev);
        if (rdev->flags & RADEON_IS_AGP) {
                rv770_agp_enable(rdev);
        } else {
@@ -1983,6 +1984,7 @@ int rv770_resume(struct radeon_device *rdev)
 int rv770_suspend(struct radeon_device *rdev)
 {
        r600_audio_fini(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_suspend(rdev);
        r700_cp_stop(rdev);
        r600_dma_stop(rdev);
@@ -2098,6 +2100,7 @@ void rv770_fini(struct radeon_device *rdev)
        radeon_ib_pool_fini(rdev);
        radeon_irq_kms_fini(rdev);
        rv770_pcie_gart_fini(rdev);
+        r600_uvd_stop(rdev);
        radeon_uvd_fini(rdev);
        r600_vram_scratch_fini(rdev);
        radeon_gem_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 2d347925f77d..094c67a29d0d 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2319,12 +2319,25 @@ int rv7xx_parse_power_table(struct radeon_device *rdev)
        return 0;
 }
+void rv770_get_engine_memory_ss(struct radeon_device *rdev)
+{
+        struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+        struct radeon_atom_ss ss;
+        pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+                                                       ASIC_INTERNAL_ENGINE_SS, 0);
+        pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+                                                       ASIC_INTERNAL_MEMORY_SS, 0);
+        if (pi->sclk_ss || pi->mclk_ss)
+                pi->dynamic_ss = true;
+        else
+                pi->dynamic_ss = false;
+}
 int rv770_dpm_init(struct radeon_device *rdev)
 {
        struct rv7xx_power_info *pi;
-        int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
-        uint16_t data_offset, size;
-        uint8_t frev, crev;
        struct atom_clock_dividers dividers;
        int ret;
@@ -2369,16 +2382,7 @@ int rv770_dpm_init(struct radeon_device *rdev)
        pi->mvdd_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
-        if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
+        rv770_get_engine_memory_ss(rdev);
-                                   &frev, &crev, &data_offset)) {
-                pi->sclk_ss = true;
-                pi->mclk_ss = true;
-                pi->dynamic_ss = true;
-        } else {
-                pi->sclk_ss = false;
-                pi->mclk_ss = false;
-                pi->dynamic_ss = false;
-        }
        pi->asi = RV770_ASI_DFLT;
        pi->pasi = RV770_HASI_DFLT;
@@ -2393,8 +2397,7 @@ int rv770_dpm_init(struct radeon_device *rdev)
        pi->dynamic_pcie_gen2 = true;
-        if (pi->gfx_clock_gating &&
+        if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
-            (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
                pi->thermal_protection = true;
        else
                pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h
index 96b1b2a62a8a..9244effc6b59 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.h
+++ b/drivers/gpu/drm/radeon/rv770_dpm.h
@@ -275,6 +275,7 @@ void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
 void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
                                             struct radeon_ps *new_ps,
                                             struct radeon_ps *old_ps);
+void rv770_get_engine_memory_ss(struct radeon_device *rdev);
 /* smc */
 int rv770_read_smc_soft_register(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 6ca904673a4f..daa8d2df8ec5 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1663,9 +1663,13 @@ static int si_init_microcode(struct radeon_device *rdev)
        snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
        err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
-        if (err)
+        if (err) {
-                goto out;
+                printk(KERN_ERR
-        if (rdev->smc_fw->size != smc_req_size) {
+                       "smc: error loading firmware \"%s\"\n",
+                       fw_name);
+                release_firmware(rdev->smc_fw);
+                rdev->smc_fw = NULL;
+        } else if (rdev->smc_fw->size != smc_req_size) {
                printk(KERN_ERR
                       "si_smc: Bogus length %zu in firmware \"%s\"\n",
                       rdev->smc_fw->size, fw_name);
@@ -6418,6 +6422,8 @@ static int si_startup(struct radeon_device *rdev)
        /* enable aspm */
        si_program_aspm(rdev);
+        si_mc_program(rdev);
        if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
            !rdev->rlc_fw || !rdev->mc_fw) {
                r = si_init_microcode(rdev);
@@ -6437,7 +6443,6 @@ static int si_startup(struct radeon_device *rdev)
        if (r)
                return r;
-        si_mc_program(rdev);
        r = si_pcie_gart_enable(rdev);
        if (r)
                return r;
@@ -6621,7 +6626,7 @@ int si_suspend(struct radeon_device *rdev)
        si_cp_enable(rdev, false);
        cayman_dma_stop(rdev);
        if (rdev->has_uvd) {
-                r600_uvd_rbc_stop(rdev);
+                r600_uvd_stop(rdev);
                radeon_uvd_suspend(rdev);
        }
        si_irq_suspend(rdev);
@@ -6763,8 +6768,10 @@ void si_fini(struct radeon_device *rdev)
        radeon_vm_manager_fini(rdev);
        radeon_ib_pool_fini(rdev);
        radeon_irq_kms_fini(rdev);
-        if (rdev->has_uvd)
+        if (rdev->has_uvd) {
+                r600_uvd_stop(rdev);
                radeon_uvd_fini(rdev);
+        }
        si_pcie_gart_fini(rdev);
        r600_vram_scratch_fini(rdev);
        radeon_gem_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 41825575b403..88699e3cd868 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2903,7 +2903,8 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
 {
        struct ni_ps *ps = ni_get_ps(rps);
        struct radeon_clock_and_voltage_limits *max_limits;
-        bool disable_mclk_switching;
+        bool disable_mclk_switching = false;
+        bool disable_sclk_switching = false;
        u32 mclk, sclk;
        u16 vddc, vddci;
        int i;
@@ -2911,8 +2912,11 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
        if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
            ni_dpm_vblank_too_short(rdev))
                disable_mclk_switching = true;
-        else
-                disable_mclk_switching = false;
+        if (rps->vclk || rps->dclk) {
+                disable_mclk_switching = true;
+                disable_sclk_switching = true;
+        }
        if (rdev->pm.dpm.ac_power)
                max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
@@ -2940,27 +2944,43 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
        if (disable_mclk_switching) {
                mclk  = ps->performance_levels[ps->performance_level_count - 1].mclk;
-                sclk = ps->performance_levels[0].sclk;
-                vddc = ps->performance_levels[0].vddc;
                vddci = ps->performance_levels[ps->performance_level_count - 1].vddci;
        } else {
-                sclk = ps->performance_levels[0].sclk;
                mclk = ps->performance_levels[0].mclk;
-                vddc = ps->performance_levels[0].vddc;
                vddci = ps->performance_levels[0].vddci;
        }
+        if (disable_sclk_switching) {
+                sclk = ps->performance_levels[ps->performance_level_count - 1].sclk;
+                vddc = ps->performance_levels[ps->performance_level_count - 1].vddc;
+        } else {
+                sclk = ps->performance_levels[0].sclk;
+                vddc = ps->performance_levels[0].vddc;
+        }
        /* adjusted low state */
        ps->performance_levels[0].sclk = sclk;
        ps->performance_levels[0].mclk = mclk;
        ps->performance_levels[0].vddc = vddc;
        ps->performance_levels[0].vddci = vddci;
-        for (i = 1; i < ps->performance_level_count; i++) {
+        if (disable_sclk_switching) {
-                if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
+                sclk = ps->performance_levels[0].sclk;
-                        ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
+                for (i = 1; i < ps->performance_level_count; i++) {
-                if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
+                        if (sclk < ps->performance_levels[i].sclk)
-                        ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
+                                sclk = ps->performance_levels[i].sclk;
+                }
+                for (i = 0; i < ps->performance_level_count; i++) {
+                        ps->performance_levels[i].sclk = sclk;
+                        ps->performance_levels[i].vddc = vddc;
+                }
+        } else {
+                for (i = 1; i < ps->performance_level_count; i++) {
+                        if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
+                                ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
+                        if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
+                                ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
+                }
        }
        if (disable_mclk_switching) {
@@ -6253,9 +6273,6 @@ int si_dpm_init(struct radeon_device *rdev)
        struct evergreen_power_info *eg_pi;
        struct ni_power_info *ni_pi;
        struct si_power_info *si_pi;
-        int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
-        u16 data_offset, size;
-        u8 frev, crev;
        struct atom_clock_dividers dividers;
        int ret;
        u32 mask;
@@ -6346,16 +6363,7 @@ int si_dpm_init(struct radeon_device *rdev)
        si_pi->vddc_phase_shed_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, VOLTAGE_OBJ_PHASE_LUT);
-        if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
+        rv770_get_engine_memory_ss(rdev);
-                                   &frev, &crev, &data_offset)) {
-                pi->sclk_ss = true;
-                pi->mclk_ss = true;
-                pi->dynamic_ss = true;
-        } else {
-                pi->sclk_ss = false;
-                pi->mclk_ss = false;
-                pi->dynamic_ss = true;
-        }
        pi->asi = RV770_ASI_DFLT;
        pi->pasi = CYPRESS_HASI_DFLT;
@@ -6366,8 +6374,7 @@ int si_dpm_init(struct radeon_device *rdev)
        eg_pi->sclk_deep_sleep = true;
        si_pi->sclk_deep_sleep_above_low = false;
-        if (pi->gfx_clock_gating &&
+        if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
-            (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
                pi->thermal_protection = true;
        else
                pi->thermal_protection = false;
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 7a5764843bfb..cd33084c7860 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -488,8 +488,6 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
        if (djrcv_dev->querying_devices)
                return 0;
-        djrcv_dev->querying_devices = true;
        dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
        if (!dj_report)
                return -ENOMEM;
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 0f34bca9f5e5..6099f50b28aa 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -215,7 +215,7 @@ static inline int adt7470_write_word_data(struct i2c_client *client, u8 reg,
                                          u16 value)
 {
        return i2c_smbus_write_byte_data(client, reg, value & 0xFF)
-               && i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
+               || i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
 }
 static void adt7470_init_client(struct i2c_client *client)
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 0ad208a69c29..3ceac3e91dde 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -60,7 +60,6 @@ static void tiadc_step_config(struct tiadc_device *adc_dev)
 {
        unsigned int stepconfig;
        int i, steps;
-        u32 step_en;
        /*
         * There are 16 configurable steps and 8 analog input
@@ -86,8 +85,7 @@ static void tiadc_step_config(struct tiadc_device *adc_dev)
                adc_dev->channel_step[i] = steps;
                steps++;
        }
-        step_en = get_adc_step_mask(adc_dev);
-        am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en);
 }
 static const char * const chan_name_ain[] = {
@@ -142,10 +140,22 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
                int *val, int *val2, long mask)
 {
        struct tiadc_device *adc_dev = iio_priv(indio_dev);
-        int i;
+        int i, map_val;
-        unsigned int fifo1count, read;
+        unsigned int fifo1count, read, stepid;
        u32 step = UINT_MAX;
        bool found = false;
+        u32 step_en;
+        unsigned long timeout = jiffies + usecs_to_jiffies
+                                (IDLE_TIMEOUT * adc_dev->channels);
+        step_en = get_adc_step_mask(adc_dev);
+        am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en);
+        /* Wait for ADC sequencer to complete sampling */
+        while (tiadc_readl(adc_dev, REG_ADCFSM) & SEQ_STATUS) {
+                if (time_after(jiffies, timeout))
+                        return -EAGAIN;
+                }
+        map_val = chan->channel + TOTAL_CHANNELS;
        /*
         * When the sub-system is first enabled,
@@ -170,12 +180,16 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
        fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
        for (i = 0; i < fifo1count; i++) {
                read = tiadc_readl(adc_dev, REG_FIFO1);
-                if (read >> 16 == step) {
+                stepid = read & FIFOREAD_CHNLID_MASK;
-                        *val = read & 0xfff;
+                stepid = stepid >> 0x10;
+                if (stepid == map_val) {
+                        read = read & FIFOREAD_DATA_MASK;
                        found = true;
+                        *val = read;
                }
        }
-        am335x_tsc_se_update(adc_dev->mfd_tscadc);
        if (found == false)
                return -EBUSY;
        return IIO_VAL_INT;
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index ea8a4146620d..0dd9bb873130 100644
--- a/drivers/iio/industrialio-trigger.c
+++ b/drivers/iio/industrialio-trigger.c
@@ -127,12 +127,17 @@ static struct iio_trigger *iio_trigger_find_by_name(const char *name,
 void iio_trigger_poll(struct iio_trigger *trig, s64 time)
 {
        int i;
-        if (!trig->use_count)
-                for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++)
+        if (!atomic_read(&trig->use_count)) {
-                        if (trig->subirqs[i].enabled) {
+                atomic_set(&trig->use_count, CONFIG_IIO_CONSUMERS_PER_TRIGGER);
-                                trig->use_count++;
+                for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) {
+                        if (trig->subirqs[i].enabled)
                                generic_handle_irq(trig->subirq_base + i);
-                        }
+                        else
+                                iio_trigger_notify_done(trig);
+                }
+        }
 }
 EXPORT_SYMBOL(iio_trigger_poll);
@@ -146,19 +151,24 @@ EXPORT_SYMBOL(iio_trigger_generic_data_rdy_poll);
 void iio_trigger_poll_chained(struct iio_trigger *trig, s64 time)
 {
        int i;
-        if (!trig->use_count)
-                for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++)
+        if (!atomic_read(&trig->use_count)) {
-                        if (trig->subirqs[i].enabled) {
+                atomic_set(&trig->use_count, CONFIG_IIO_CONSUMERS_PER_TRIGGER);
-                                trig->use_count++;
+                for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) {
+                        if (trig->subirqs[i].enabled)
                                handle_nested_irq(trig->subirq_base + i);
-                        }
+                        else
+                                iio_trigger_notify_done(trig);
+                }
+        }
 }
 EXPORT_SYMBOL(iio_trigger_poll_chained);
 void iio_trigger_notify_done(struct iio_trigger *trig)
 {
-        trig->use_count--;
+        if (atomic_dec_and_test(&trig->use_count) && trig->ops &&
-        if (trig->use_count == 0 && trig->ops && trig->ops->try_reenable)
+                trig->ops->try_reenable)
                if (trig->ops->try_reenable(trig))
                        /* Missed an interrupt so launch new poll now */
                        iio_trigger_poll(trig, 0);
diff --git a/drivers/media/i2c/ml86v7667.c b/drivers/media/i2c/ml86v7667.c
index efdc873e58d1..a9857022f71d 100644
--- a/drivers/media/i2c/ml86v7667.c
+++ b/drivers/media/i2c/ml86v7667.c
@@ -117,7 +117,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl)
 {
        struct v4l2_subdev *sd = to_sd(ctrl);
        struct i2c_client *client = v4l2_get_subdevdata(sd);
-        int ret;
+        int ret = -EINVAL;
        switch (ctrl->id) {
        case V4L2_CID_BRIGHTNESS:
@@ -157,7 +157,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl)
                break;
        }
-        return 0;
+        return ret;
 }
 static int ml86v7667_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index df4ada880e42..bd9405df1bd6 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -1987,7 +1987,7 @@ MODULE_DEVICE_TABLE(platform, coda_platform_ids);
 #ifdef CONFIG_OF
 static const struct of_device_id coda_dt_ids[] = {
-        { .compatible = "fsl,imx27-vpu", .data = &coda_platform_ids[CODA_IMX27] },
+        { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
        { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
        { /* sentinel */ }
 };
diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
index 553d87e5ceab..fd6289d60cde 100644
--- a/drivers/media/platform/s5p-g2d/g2d.c
+++ b/drivers/media/platform/s5p-g2d/g2d.c
@@ -784,6 +784,7 @@ static int g2d_probe(struct platform_device *pdev)
        }
        *vfd = g2d_videodev;
        vfd->lock = &dev->mutex;
+        vfd->v4l2_dev = &dev->v4l2_dev;
        ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
        if (ret) {
                v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 5296385153d5..4f6dd42c9adb 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -344,7 +344,7 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
                pix_mp->num_planes = 2;
                /* Set pixelformat to the format in which MFC
                   outputs the decoded frame */
-                pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT;
+                pix_mp->pixelformat = ctx->dst_fmt->fourcc;
                pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
                pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
                pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
@@ -382,10 +382,16 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
                        mfc_err("Unsupported format for source.\n");
                        return -EINVAL;
                }
-                if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
+                if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
-                        mfc_err("Not supported format.\n");
+                        mfc_err("Unknown codec\n");
                        return -EINVAL;
                }
+                if (!IS_MFCV6(dev)) {
+                        if (fmt->fourcc == V4L2_PIX_FMT_VP8) {
+                                mfc_err("Not supported format.\n");
+                                return -EINVAL;
+                        }
+                }
        } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
                fmt = find_format(f, MFC_FMT_RAW);
                if (!fmt) {
@@ -411,7 +417,6 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
        struct s5p_mfc_dev *dev = video_drvdata(file);
        struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
        int ret = 0;
-        struct s5p_mfc_fmt *fmt;
        struct v4l2_pix_format_mplane *pix_mp;
        mfc_debug_enter();
@@ -425,54 +430,32 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
                goto out;
        }
        if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-                fmt = find_format(f, MFC_FMT_RAW);
+                /* dst_fmt is validated by call to vidioc_try_fmt */
-                if (!fmt) {
+                ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
-                        mfc_err("Unsupported format for source.\n");
+                ret = 0;
-                        return -EINVAL;
-                }
-                if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
-                        mfc_err("Not supported format.\n");
-                        return -EINVAL;
-                } else if (IS_MFCV6(dev) &&
-                                (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
-                        mfc_err("Not supported format.\n");
-                        return -EINVAL;
-                }
-                ctx->dst_fmt = fmt;
-                mfc_debug_leave();
-                return ret;
-        } else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-                mfc_err("Wrong type error for S_FMT : %d", f->type);
-                return -EINVAL;
-        }
-        fmt = find_format(f, MFC_FMT_DEC);
-        if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) {
-                mfc_err("Unknown codec\n");
-                ret = -EINVAL;
                goto out;
-        }
+        } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-        if (fmt->type != MFC_FMT_DEC) {
+                /* src_fmt is validated by call to vidioc_try_fmt */
-                mfc_err("Wrong format selected, you should choose "
+                ctx->src_fmt = find_format(f, MFC_FMT_DEC);
-                                        "format for decoding\n");
+                ctx->codec_mode = ctx->src_fmt->codec_mode;
+                mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
+                pix_mp->height = 0;
+                pix_mp->width = 0;
+                if (pix_mp->plane_fmt[0].sizeimage)
+                        ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
+                else
+                        pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
+                                                                DEF_CPB_SIZE;
+                pix_mp->plane_fmt[0].bytesperline = 0;
+                ctx->state = MFCINST_INIT;
+                ret = 0;
+                goto out;
+        } else {
+                mfc_err("Wrong type error for S_FMT : %d", f->type);
                ret = -EINVAL;
                goto out;
        }
-        if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
-                mfc_err("Not supported format.\n");
-                return -EINVAL;
-        }
-        ctx->src_fmt = fmt;
-        ctx->codec_mode = fmt->codec_mode;
-        mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
-        pix_mp->height = 0;
-        pix_mp->width = 0;
-        if (pix_mp->plane_fmt[0].sizeimage)
-                ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
-        else
-                pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
-                                                                DEF_CPB_SIZE;
-        pix_mp->plane_fmt[0].bytesperline = 0;
-        ctx->state = MFCINST_INIT;
 out:
        mfc_debug_leave();
        return ret;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 2549967b2f85..59e56f4c8ce3 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -906,6 +906,7 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
 {
+        struct s5p_mfc_dev *dev = video_drvdata(file);
        struct s5p_mfc_fmt *fmt;
        struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
@@ -930,6 +931,18 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
                        return -EINVAL;
                }
+                if (!IS_MFCV6(dev)) {
+                        if (fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16) {
+                                mfc_err("Not supported format.\n");
+                                return -EINVAL;
+                        }
+                } else if (IS_MFCV6(dev)) {
+                        if (fmt->fourcc == V4L2_PIX_FMT_NV12MT) {
+                                mfc_err("Not supported format.\n");
+                                return -EINVAL;
+                        }
+                }
                if (fmt->num_planes != pix_fmt_mp->num_planes) {
                        mfc_err("failed to try output format\n");
                        return -EINVAL;
@@ -947,7 +960,6 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 {
        struct s5p_mfc_dev *dev = video_drvdata(file);
        struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-        struct s5p_mfc_fmt *fmt;
        struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
        int ret = 0;
@@ -960,13 +972,9 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
                goto out;
        }
        if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-                fmt = find_format(f, MFC_FMT_ENC);
+                /* dst_fmt is validated by call to vidioc_try_fmt */
-                if (!fmt) {
+                ctx->dst_fmt = find_format(f, MFC_FMT_ENC);
-                        mfc_err("failed to set capture format\n");
-                        return -EINVAL;
-                }
                ctx->state = MFCINST_INIT;
-                ctx->dst_fmt = fmt;
                ctx->codec_mode = ctx->dst_fmt->codec_mode;
                ctx->enc_dst_buf_size = pix_fmt_mp->plane_fmt[0].sizeimage;
                pix_fmt_mp->plane_fmt[0].bytesperline = 0;
@@ -987,28 +995,8 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
                }
                mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
        } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-                fmt = find_format(f, MFC_FMT_RAW);
+                /* src_fmt is validated by call to vidioc_try_fmt */
-                if (!fmt) {
+                ctx->src_fmt = find_format(f, MFC_FMT_RAW);
-                        mfc_err("failed to set output format\n");
-                        return -EINVAL;
-                }
-                if (!IS_MFCV6(dev) &&
-                                (fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16)) {
-                        mfc_err("Not supported format.\n");
-                        return -EINVAL;
-                } else if (IS_MFCV6(dev) &&
-                                (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
-                        mfc_err("Not supported format.\n");
-                        return -EINVAL;
-                }
-                if (fmt->num_planes != pix_fmt_mp->num_planes) {
-                        mfc_err("failed to set output format\n");
-                        ret = -EINVAL;
-                        goto out;
-                }
-                ctx->src_fmt = fmt;
                ctx->img_width = pix_fmt_mp->width;
                ctx->img_height = pix_fmt_mp->height;
                mfc_debug(2, "codec number: %d\n", ctx->src_fmt->codec_mode);
diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c
index 4851cc2e4a4d..c4ff9739a7ae 100644
--- a/drivers/media/usb/em28xx/em28xx-i2c.c
+++ b/drivers/media/usb/em28xx/em28xx-i2c.c
@@ -726,7 +726,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
        *eedata = data;
        *eedata_len = len;
-        dev_config = (void *)eedata;
+        dev_config = (void *)*eedata;
        switch (le16_to_cpu(dev_config->chip_conf) >> 4 & 0x3) {
        case 0:
diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
index cb694055ba7d..6e5070774dc2 100644
--- a/drivers/media/usb/hdpvr/hdpvr-core.c
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -303,6 +303,11 @@ static int hdpvr_probe(struct usb_interface *interface,
        dev->workqueue = 0;
+        /* init video transfer queues first of all */
+        /* to prevent oops in hdpvr_delete() on error paths */
+        INIT_LIST_HEAD(&dev->free_buff_list);
+        INIT_LIST_HEAD(&dev->rec_buff_list);
        /* register v4l2_device early so it can be used for printks */
        if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) {
                dev_err(&interface->dev, "v4l2_device_register failed\n");
@@ -325,10 +330,6 @@ static int hdpvr_probe(struct usb_interface *interface,
        if (!dev->workqueue)
                goto error;
-        /* init video transfer queues */
-        INIT_LIST_HEAD(&dev->free_buff_list);
-        INIT_LIST_HEAD(&dev->rec_buff_list);
        dev->options = hdpvr_default_options;
        if (default_video_input < HDPVR_VIDEO_INPUTS)
@@ -405,7 +406,7 @@ static int hdpvr_probe(struct usb_interface *interface,
                                    video_nr[atomic_inc_return(&dev_nr)]);
        if (retval < 0) {
                v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
-                goto error;
+                goto reg_fail;
        }
        /* let the user know what node this device is now attached to */
diff --git a/drivers/media/usb/usbtv/Kconfig b/drivers/media/usb/usbtv/Kconfig
index 8864436464bf..7c5b86006ee6 100644
--- a/drivers/media/usb/usbtv/Kconfig
+++ b/drivers/media/usb/usbtv/Kconfig
@@ -1,6 +1,6 @@
 config VIDEO_USBTV
        tristate "USBTV007 video capture support"
-        depends on VIDEO_DEV
+        depends on VIDEO_V4L2
        select VIDEOBUF2_VMALLOC
        ---help---
diff --git a/drivers/media/usb/usbtv/usbtv.c b/drivers/media/usb/usbtv/usbtv.c
index bf43f874685e..91650173941a 100644
--- a/drivers/media/usb/usbtv/usbtv.c
+++ b/drivers/media/usb/usbtv/usbtv.c
@@ -57,7 +57,7 @@
 #define USBTV_CHUNK_SIZE        256
 #define USBTV_CHUNK             240
 #define USBTV_CHUNKS            (USBTV_WIDTH * USBTV_HEIGHT \
-                                        / 2 / USBTV_CHUNK)
+                                        / 4 / USBTV_CHUNK)
 /* Chunk header. */
 #define USBTV_MAGIC_OK(chunk)   ((be32_to_cpu(chunk[0]) & 0xff000000) \
@@ -89,6 +89,7 @@ struct usbtv {
        /* Number of currently processed frame, useful find
         * out when a new one begins. */
        u32 frame_id;
+        int chunks_done;
        int iso_size;
        unsigned int sequence;
@@ -202,6 +203,26 @@ static int usbtv_setup_capture(struct usbtv *usbtv)
        return 0;
 }
+/* Copy data from chunk into a frame buffer, deinterlacing the data
+ * into every second line. Unfortunately, they don't align nicely into
+ * 720 pixel lines, as the chunk is 240 words long, which is 480 pixels.
+ * Therefore, we break down the chunk into two halves before copyting,
+ * so that we can interleave a line if needed. */
+static void usbtv_chunk_to_vbuf(u32 *frame, u32 *src, int chunk_no, int odd)
+{
+        int half;
+        for (half = 0; half < 2; half++) {
+                int part_no = chunk_no * 2 + half;
+                int line = part_no / 3;
+                int part_index = (line * 2 + !odd) * 3 + (part_no % 3);
+                u32 *dst = &frame[part_index * USBTV_CHUNK/2];
+                memcpy(dst, src, USBTV_CHUNK/2 * sizeof(*src));
+                src += USBTV_CHUNK/2;
+        }
+}
 /* Called for each 256-byte image chunk.
 * First word identifies the chunk, followed by 240 words of image
 * data and padding. */
@@ -218,17 +239,17 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk)
        frame_id = USBTV_FRAME_ID(chunk);
        odd = USBTV_ODD(chunk);
        chunk_no = USBTV_CHUNK_NO(chunk);
-        /* Deinterlace. TODO: Use interlaced frame format. */
-        chunk_no = (chunk_no - chunk_no % 3) * 2 + chunk_no % 3;
-        chunk_no += !odd * 3;
        if (chunk_no >= USBTV_CHUNKS)
                return;
        /* Beginning of a frame. */
-        if (chunk_no == 0)
+        if (chunk_no == 0) {
                usbtv->frame_id = frame_id;
+                usbtv->chunks_done = 0;
+        }
+        if (usbtv->frame_id != frame_id)
+                return;
        spin_lock_irqsave(&usbtv->buflock, flags);
        if (list_empty(&usbtv->bufs)) {
@@ -241,19 +262,23 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk)
        buf = list_first_entry(&usbtv->bufs, struct usbtv_buf, list);
        frame = vb2_plane_vaddr(&buf->vb, 0);
-        /* Copy the chunk. */
+        /* Copy the chunk data. */
-        memcpy(&frame[chunk_no * USBTV_CHUNK], &chunk[1],
+        usbtv_chunk_to_vbuf(frame, &chunk[1], chunk_no, odd);
-                        USBTV_CHUNK * sizeof(chunk[1]));
+        usbtv->chunks_done++;
        /* Last chunk in a frame, signalling an end */
-        if (usbtv->frame_id && chunk_no == USBTV_CHUNKS-1) {
+        if (odd && chunk_no == USBTV_CHUNKS-1) {
                int size = vb2_plane_size(&buf->vb, 0);
+                enum vb2_buffer_state state = usbtv->chunks_done ==
+                                                USBTV_CHUNKS ?
+                                                VB2_BUF_STATE_DONE :
+                                                VB2_BUF_STATE_ERROR;
                buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
                buf->vb.v4l2_buf.sequence = usbtv->sequence++;
                v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
                vb2_set_plane_payload(&buf->vb, 0, size);
-                vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
+                vb2_buffer_done(&buf->vb, state);
                list_del(&buf->list);
        }
@@ -518,7 +543,7 @@ static int usbtv_queue_setup(struct vb2_queue *vq,
        if (*nbuffers < 2)
                *nbuffers = 2;
        *nplanes = 1;
-        sizes[0] = USBTV_CHUNK * USBTV_CHUNKS * sizeof(u32);
+        sizes[0] = USBTV_WIDTH * USBTV_HEIGHT / 2 * sizeof(u32);
        return 0;
 }
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index dbdc5f7e2b29..01e264fb50e0 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -317,13 +317,20 @@ void acpi_pci_remove_bus(struct pci_bus *bus)
 /* ACPI bus type */
 static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
 {
-        struct pci_dev * pci_dev;
+        struct pci_dev *pci_dev = to_pci_dev(dev);
-        u64     addr;
+        bool is_bridge;
+        u64 addr;
-        pci_dev = to_pci_dev(dev);
+        /*
+         * pci_is_bridge() is not suitable here, because pci_dev->subordinate
+         * is set only after acpi_pci_find_device() has been called for the
+         * given device.
+         */
+        is_bridge = pci_dev->hdr_type == PCI_HEADER_TYPE_BRIDGE
+                        || pci_dev->hdr_type == PCI_HEADER_TYPE_CARDBUS;
        /* Please ref to ACPI spec for the syntax of _ADR */
        addr = (PCI_SLOT(pci_dev->devfn) << 16) | PCI_FUNC(pci_dev->devfn);
-        *handle = acpi_get_child(DEVICE_ACPI_HANDLE(dev->parent), addr);
+        *handle = acpi_find_child(ACPI_HANDLE(dev->parent), addr, is_bridge);
        if (!*handle)
                return -ENODEV;
        return 0;
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 17150a778984..451bf99582ff 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2392,6 +2392,12 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
                rc = cqr->intrc;
        else
                rc = -EIO;
+        /* kick tasklets */
+        dasd_schedule_device_bh(device);
+        if (device->block)
+                dasd_schedule_block_bh(device->block);
        return rc;
 }
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 2168258fb2c3..74b88efde6ad 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -751,7 +751,7 @@ static void __virtscsi_set_affinity(struct virtio_scsi *vscsi, bool affinity)
                vscsi->affinity_hint_set = true;
        } else {
-                for (i = 0; i < vscsi->num_queues - VIRTIO_SCSI_VQ_BASE; i++)
+                for (i = 0; i < vscsi->num_queues; i++)
                        virtqueue_set_affinity(vscsi->req_vqs[i].vq, -1);
                vscsi->affinity_hint_set = false;
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 222d3e37fc28..707966bd5610 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -609,7 +609,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
                else
                        buf = (void *)t->tx_buf;
                t->tx_dma = dma_map_single(&spi->dev, buf,
-                                t->len, DMA_FROM_DEVICE);
+                                t->len, DMA_TO_DEVICE);
                if (!t->tx_dma) {
                        ret = -EFAULT;
                        goto err_tx_map;
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index dcceed29d31a..81972fa47beb 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -1811,10 +1811,12 @@ static int zcache_comp_init(void)
 #else
        if (*zcache_comp_name != '\0') {
                ret = crypto_has_comp(zcache_comp_name, 0, 0);
-                if (!ret)
+                if (!ret) {
                        pr_info("zcache: %s not supported\n",
                                        zcache_comp_name);
-                goto out;
+                        ret = 1;
+                        goto out;
+                }
        }
        if (!ret)
                strcpy(zcache_comp_name, "lzo");
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4a8a1d68002c..558313de4911 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4798,7 +4798,8 @@ static void hub_events(void)
                                        hub->ports[i - 1]->child;
                                dev_dbg(hub_dev, "warm reset port %d\n", i);
-                                if (!udev) {
+                                if (!udev || !(portstatus &
+                                                USB_PORT_STAT_CONNECTION)) {
                                        status = hub_port_reset(hub, i,
                                                        NULL, HUB_BH_RESET_TIME,
                                                        true);
@@ -4808,8 +4809,8 @@ static void hub_events(void)
                                        usb_lock_device(udev);
                                        status = usb_reset_device(udev);
                                        usb_unlock_device(udev);
+                                        connect_change = 0;
                                }
-                                connect_change = 0;
                        }
                        if (connect_change)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index df6978abd7e6..6f8c2fd47675 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -24,6 +24,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/dmapool.h>
+#include <linux/dma-mapping.h>
 #include "xhci.h"
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 41eb4fc33453..9478caa2f71f 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -27,6 +27,7 @@
 #include <linux/moduleparam.h>
 #include <linux/slab.h>
 #include <linux/dmi.h>
+#include <linux/dma-mapping.h>
 #include "xhci.h"
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 3ba37713b1f9..dc09ebe4aba5 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -239,24 +239,6 @@ static const struct fb_bitfield def_rgb565[] = {
        }
 };
-static const struct fb_bitfield def_rgb666[] = {
-        [RED] = {
-                .offset = 16,
-                .length = 6,
-        },
-        [GREEN] = {
-                .offset = 8,
-                .length = 6,
-        },
-        [BLUE] = {
-                .offset = 0,
-                .length = 6,
-        },
-        [TRANSP] = {    /* no support for transparency */
-                .length = 0,
-        }
-};
 static const struct fb_bitfield def_rgb888[] = {
        [RED] = {
                .offset = 16,
@@ -309,9 +291,6 @@ static int mxsfb_check_var(struct fb_var_screeninfo *var,
                        break;
                case STMLCDIF_16BIT:
                case STMLCDIF_18BIT:
-                        /* 24 bit to 18 bit mapping */
-                        rgb = def_rgb666;
-                        break;
                case STMLCDIF_24BIT:
                        /* real 24 bit */
                        rgb = def_rgb888;
@@ -453,11 +432,6 @@ static int mxsfb_set_par(struct fb_info *fb_info)
                        return -EINVAL;
                case STMLCDIF_16BIT:
                case STMLCDIF_18BIT:
-                        /* 24 bit to 18 bit mapping */
-                        ctrl |= CTRL_DF24; /* ignore the upper 2 bits in
-                                            *  each colour component
-                                            */
-                        break;
                case STMLCDIF_24BIT:
                        /* real 24 bit */
                        break;
diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c
index 5338f362293b..1b60698f141e 100644
--- a/drivers/video/omap2/displays-new/connector-analog-tv.c
+++ b/drivers/video/omap2/displays-new/connector-analog-tv.c
@@ -28,6 +28,20 @@ struct panel_drv_data {
        bool invert_polarity;
 };
+static const struct omap_video_timings tvc_pal_timings = {
+        .x_res          = 720,
+        .y_res          = 574,
+        .pixel_clock    = 13500,
+        .hsw            = 64,
+        .hfp            = 12,
+        .hbp            = 68,
+        .vsw            = 5,
+        .vfp            = 5,
+        .vbp            = 41,
+        .interlace      = true,
+};
 #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
 static int tvc_connect(struct omap_dss_device *dssdev)
@@ -212,14 +226,14 @@ static int tvc_probe(struct platform_device *pdev)
                return -ENODEV;
        }
-        ddata->timings = omap_dss_pal_timings;
+        ddata->timings = tvc_pal_timings;
        dssdev = &ddata->dssdev;
        dssdev->driver = &tvc_driver;
        dssdev->dev = &pdev->dev;
        dssdev->type = OMAP_DISPLAY_TYPE_VENC;
        dssdev->owner = THIS_MODULE;
-        dssdev->panel.timings = omap_dss_pal_timings;
+        dssdev->panel.timings = tvc_pal_timings;
        r = omapdss_register_display(dssdev);
        if (r) {
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 4888cb3fdef7..c7c83ff0f752 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -533,8 +533,7 @@ EXPORT_SYMBOL_GPL(debugfs_remove);
 */
 void debugfs_remove_recursive(struct dentry *dentry)
 {
-        struct dentry *child;
+        struct dentry *child, *next, *parent;
-        struct dentry *parent;
        if (IS_ERR_OR_NULL(dentry))
                return;
@@ -544,61 +543,37 @@ void debugfs_remove_recursive(struct dentry *dentry)
                return;
        parent = dentry;
+ down:
        mutex_lock(&parent->d_inode->i_mutex);
+        list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) {
+                if (!debugfs_positive(child))
+                        continue;
-        while (1) {
+                /* perhaps simple_empty(child) makes more sense */
-                /*
-                 * When all dentries under "parent" has been removed,
-                 * walk up the tree until we reach our starting point.
-                 */
-                if (list_empty(&parent->d_subdirs)) {
-                        mutex_unlock(&parent->d_inode->i_mutex);
-                        if (parent == dentry)
-                                break;
-                        parent = parent->d_parent;
-                        mutex_lock(&parent->d_inode->i_mutex);
-                }
-                child = list_entry(parent->d_subdirs.next, struct dentry,
-                                d_u.d_child);
- next_sibling:
-                /*
-                 * If "child" isn't empty, walk down the tree and
-                 * remove all its descendants first.
-                 */
                if (!list_empty(&child->d_subdirs)) {
                        mutex_unlock(&parent->d_inode->i_mutex);
                        parent = child;
-                        mutex_lock(&parent->d_inode->i_mutex);
+                        goto down;
-                        continue;
                }
-                __debugfs_remove(child, parent);
+ up:
-                if (parent->d_subdirs.next == &child->d_u.d_child) {
+                if (!__debugfs_remove(child, parent))
-                        /*
+                        simple_release_fs(&debugfs_mount, &debugfs_mount_count);
-                         * Try the next sibling.
-                         */
-                        if (child->d_u.d_child.next != &parent->d_subdirs) {
-                                child = list_entry(child->d_u.d_child.next,
-                                                   struct dentry,
-                                                   d_u.d_child);
-                                goto next_sibling;
-                        }
-                        /*
-                         * Avoid infinite loop if we fail to remove
-                         * one dentry.
-                         */
-                        mutex_unlock(&parent->d_inode->i_mutex);
-                        break;
-                }
-                simple_release_fs(&debugfs_mount, &debugfs_mount_count);
        }
-        parent = dentry->d_parent;
+        mutex_unlock(&parent->d_inode->i_mutex);
+        child = parent;
+        parent = parent->d_parent;
        mutex_lock(&parent->d_inode->i_mutex);
-        __debugfs_remove(dentry, parent);
+        if (child != dentry) {
+                next = list_entry(child->d_u.d_child.next, struct dentry,
+                                        d_u.d_child);
+                goto up;
+        }
+        if (!__debugfs_remove(child, parent))
+                simple_release_fs(&debugfs_mount, &debugfs_mount_count);
        mutex_unlock(&parent->d_inode->i_mutex);
-        simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 }
 EXPORT_SYMBOL_GPL(debugfs_remove_recursive);
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 911649a47dd5..812149119fa3 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -686,7 +686,6 @@ static int device_close(struct inode *inode, struct file *file)
           device_remove_lockspace() */
        sigprocmask(SIG_SETMASK, &tmpsig, NULL);
-        recalc_sigpending();
        return 0;
 }
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a61873808f76..72ba4705d4fa 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4412,7 +4412,7 @@ void ext4_ext_truncate(handle_t *handle, struct inode *inode)
 retry:
        err = ext4_es_remove_extent(inode, last_block,
                                    EXT_MAX_BLOCKS - last_block);
-        if (err == ENOMEM) {
+        if (err == -ENOMEM) {
                cond_resched();
                congestion_wait(BLK_RW_ASYNC, HZ/50);
                goto retry;
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index f03598c6ffd3..8bf5999875ee 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -734,11 +734,8 @@ repeat_in_this_group:
                ino = ext4_find_next_zero_bit((unsigned long *)
                                              inode_bitmap_bh->b_data,
                                              EXT4_INODES_PER_GROUP(sb), ino);
-                if (ino >= EXT4_INODES_PER_GROUP(sb)) {
+                if (ino >= EXT4_INODES_PER_GROUP(sb))
-                        if (++group == ngroups)
+                        goto next_group;
-                                group = 0;
-                        continue;
-                }
                if (group == 0 && (ino+1) < EXT4_FIRST_INO(sb)) {
                        ext4_error(sb, "reserved inode found cleared - "
                                   "inode=%lu", ino + 1);
@@ -769,6 +766,9 @@ repeat_in_this_group:
                        goto got; /* we grabbed the inode! */
                if (ino < EXT4_INODES_PER_GROUP(sb))
                        goto repeat_in_this_group;
+next_group:
+                if (++group == ngroups)
+                        group = 0;
        }
        err = -ENOSPC;
        goto out;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index ba33c67d6e48..dd32a2eacd0d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -555,14 +555,13 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
                int ret;
                unsigned long long status;
-#ifdef ES_AGGRESSIVE_TEST
+                if (unlikely(retval != map->m_len)) {
-                if (retval != map->m_len) {
+                        ext4_warning(inode->i_sb,
-                        printk("ES len assertion failed for inode: %lu "
+                                     "ES len assertion failed for inode "
-                               "retval %d != map->m_len %d "
+                                     "%lu: retval %d != map->m_len %d",
-                               "in %s (lookup)\n", inode->i_ino, retval,
+                                     inode->i_ino, retval, map->m_len);
-                               map->m_len, __func__);
+                        WARN_ON(1);
                }
-#endif
                status = map->m_flags & EXT4_MAP_UNWRITTEN ?
                                EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN;
@@ -656,14 +655,13 @@ found:
                int ret;
                unsigned long long status;
-#ifdef ES_AGGRESSIVE_TEST
+                if (unlikely(retval != map->m_len)) {
-                if (retval != map->m_len) {
+                        ext4_warning(inode->i_sb,
-                        printk("ES len assertion failed for inode: %lu "
+                                     "ES len assertion failed for inode "
-                               "retval %d != map->m_len %d "
+                                     "%lu: retval %d != map->m_len %d",
-                               "in %s (allocation)\n", inode->i_ino, retval,
+                                     inode->i_ino, retval, map->m_len);
-                               map->m_len, __func__);
+                        WARN_ON(1);
                }
-#endif
                /*
                 * If the extent has been zeroed out, we don't need to update
@@ -1637,14 +1635,13 @@ add_delayed:
                int ret;
                unsigned long long status;
-#ifdef ES_AGGRESSIVE_TEST
+                if (unlikely(retval != map->m_len)) {
-                if (retval != map->m_len) {
+                        ext4_warning(inode->i_sb,
-                        printk("ES len assertion failed for inode: %lu "
+                                     "ES len assertion failed for inode "
-                               "retval %d != map->m_len %d "
+                                     "%lu: retval %d != map->m_len %d",
-                               "in %s (lookup)\n", inode->i_ino, retval,
+                                     inode->i_ino, retval, map->m_len);
-                               map->m_len, __func__);
+                        WARN_ON(1);
                }
-#endif
                status = map->m_flags & EXT4_MAP_UNWRITTEN ?
                                EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bca26f34edf4..36b141e420b7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5481,6 +5481,7 @@ static void __exit ext4_exit_fs(void)
        kset_unregister(ext4_kset);
        ext4_exit_system_zone();
        ext4_exit_pageio();
+        ext4_exit_es();
 }
 MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 6599222536eb..65343c3741ff 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -730,14 +730,14 @@ static int __init fcntl_init(void)
         * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY
         * is defined as O_NONBLOCK on some platforms and not on others.
         */
-        BUILD_BUG_ON(19 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32(
+        BUILD_BUG_ON(20 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32(
                O_RDONLY        | O_WRONLY      | O_RDWR        |
                O_CREAT         | O_EXCL        | O_NOCTTY      |
                O_TRUNC         | O_APPEND      | /* O_NONBLOCK | */
                __O_SYNC        | O_DSYNC       | FASYNC        |
                O_DIRECT        | O_LARGEFILE   | O_DIRECTORY   |
                O_NOFOLLOW      | O_NOATIME     | O_CLOEXEC     |
-                __FMODE_EXEC    | O_PATH
+                __FMODE_EXEC    | O_PATH        | __O_TMPFILE
                ));
        fasync_cache = kmem_cache_create("fasync_cache",
diff --git a/fs/namei.c b/fs/namei.c
index 8b61d103a8a7..89a612e392eb 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3671,15 +3671,11 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
        if ((flags & ~(AT_SYMLINK_FOLLOW | AT_EMPTY_PATH)) != 0)
                return -EINVAL;
        /*
-         * To use null names we require CAP_DAC_READ_SEARCH
+         * Using empty names is equivalent to using AT_SYMLINK_FOLLOW
-         * This ensures that not everyone will be able to create
+         * on /proc/self/fd/<fd>.
-         * handlink using the passed filedescriptor.
         */
-        if (flags & AT_EMPTY_PATH) {
+        if (flags & AT_EMPTY_PATH)
-                if (!capable(CAP_DAC_READ_SEARCH))
-                        return -ENOENT;
                how = LOOKUP_EMPTY;
-        }
        if (flags & AT_SYMLINK_FOLLOW)
                how |= LOOKUP_FOLLOW;
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 0d4c410e4589..419572f33b72 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1524,7 +1524,7 @@ static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
 static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
 {
        return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\
-                1 + 1 + 0 + /* eir_flags, spr_how, SP4_NONE (for now) */\
+                1 + 1 + 2 + /* eir_flags, spr_how, spo_must_enforce & _allow */\
                2 + /*eir_server_owner.so_minor_id */\
                /* eir_server_owner.so_major_id<> */\
                XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 +\
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 280acef6f0dc..43f42290e5df 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1264,6 +1264,8 @@ static bool svc_rqst_integrity_protected(struct svc_rqst *rqstp)
        struct svc_cred *cr = &rqstp->rq_cred;
        u32 service;
+        if (!cr->cr_gss_mech)
+                return false;
        service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor);
        return service == RPC_GSS_SVC_INTEGRITY ||
               service == RPC_GSS_SVC_PRIVACY;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 0c0f3ea90de5..c2a4701d7286 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3360,7 +3360,8 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr,
                8 /* eir_clientid */ +
                4 /* eir_sequenceid */ +
                4 /* eir_flags */ +
-                4 /* spr_how (SP4_NONE) */ +
+                4 /* spr_how */ +
+                8 /* spo_must_enforce, spo_must_allow */ +
                8 /* so_minor_id */ +
                4 /* so_major_id.len */ +
                (XDR_QUADLEN(major_id_sz) * 4) +
@@ -3372,8 +3373,6 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr,
        WRITE32(exid->seqid);
        WRITE32(exid->flags);
-        /* state_protect4_r. Currently only support SP4_NONE */
-        BUG_ON(exid->spa_how != SP4_NONE);
        WRITE32(exid->spa_how);
        switch (exid->spa_how) {
        case SP4_NONE:
diff --git a/fs/open.c b/fs/open.c
index d53e29895082..7931f76acc2b 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -823,7 +823,7 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o
        int lookup_flags = 0;
        int acc_mode;
-        if (flags & O_CREAT)
+        if (flags & (O_CREAT | __O_TMPFILE))
                op->mode = (mode & S_IALLUGO) | S_IFREG;
        else
                op->mode = 0;
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index 33532f79b4f7..a958444a75fc 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -19,12 +19,13 @@
 /*
 * LOCKING:
 *
- * We rely on new Alexander Viro's super-block locking.
+ * These guys are evicted from procfs as the very first step in ->kill_sb().
 *
 */
-static int show_version(struct seq_file *m, struct super_block *sb)
+static int show_version(struct seq_file *m, void *unused)
 {
+        struct super_block *sb = m->private;
        char *format;
        if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) {
@@ -66,8 +67,9 @@ static int show_version(struct seq_file *m, struct super_block *sb)
 #define DJP( x ) le32_to_cpu( jp -> x )
 #define JF( x ) ( r -> s_journal -> x )
-static int show_super(struct seq_file *m, struct super_block *sb)
+static int show_super(struct seq_file *m, void *unused)
 {
+        struct super_block *sb = m->private;
        struct reiserfs_sb_info *r = REISERFS_SB(sb);
        seq_printf(m, "state: \t%s\n"
@@ -128,8 +130,9 @@ static int show_super(struct seq_file *m, struct super_block *sb)
        return 0;
 }
-static int show_per_level(struct seq_file *m, struct super_block *sb)
+static int show_per_level(struct seq_file *m, void *unused)
 {
+        struct super_block *sb = m->private;
        struct reiserfs_sb_info *r = REISERFS_SB(sb);
        int level;
@@ -186,8 +189,9 @@ static int show_per_level(struct seq_file *m, struct super_block *sb)
        return 0;
 }
-static int show_bitmap(struct seq_file *m, struct super_block *sb)
+static int show_bitmap(struct seq_file *m, void *unused)
 {
+        struct super_block *sb = m->private;
        struct reiserfs_sb_info *r = REISERFS_SB(sb);
        seq_printf(m, "free_block: %lu\n"
@@ -218,8 +222,9 @@ static int show_bitmap(struct seq_file *m, struct super_block *sb)
        return 0;
 }
-static int show_on_disk_super(struct seq_file *m, struct super_block *sb)
+static int show_on_disk_super(struct seq_file *m, void *unused)
 {
+        struct super_block *sb = m->private;
        struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
        struct reiserfs_super_block *rs = sb_info->s_rs;
        int hash_code = DFL(s_hash_function_code);
@@ -261,8 +266,9 @@ static int show_on_disk_super(struct seq_file *m, struct super_block *sb)
        return 0;
 }
-static int show_oidmap(struct seq_file *m, struct super_block *sb)
+static int show_oidmap(struct seq_file *m, void *unused)
 {
+        struct super_block *sb = m->private;
        struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
        struct reiserfs_super_block *rs = sb_info->s_rs;
        unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize);
@@ -291,8 +297,9 @@ static int show_oidmap(struct seq_file *m, struct super_block *sb)
        return 0;
 }
-static int show_journal(struct seq_file *m, struct super_block *sb)
+static int show_journal(struct seq_file *m, void *unused)
 {
+        struct super_block *sb = m->private;
        struct reiserfs_sb_info *r = REISERFS_SB(sb);
        struct reiserfs_super_block *rs = r->s_rs;
        struct journal_params *jp = &rs->s_v1.s_journal;
@@ -383,92 +390,24 @@ static int show_journal(struct seq_file *m, struct super_block *sb)
        return 0;
 }
-/* iterator */
-static int test_sb(struct super_block *sb, void *data)
-{
-        return data == sb;
-}
-static int set_sb(struct super_block *sb, void *data)
-{
-        return -ENOENT;
-}
-struct reiserfs_seq_private {
-        struct super_block *sb;
-        int (*show) (struct seq_file *, struct super_block *);
-};
-static void *r_start(struct seq_file *m, loff_t * pos)
-{
-        struct reiserfs_seq_private *priv = m->private;
-        loff_t l = *pos;
-        if (l)
-                return NULL;
-        if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, 0, priv->sb)))
-                return NULL;
-        up_write(&priv->sb->s_umount);
-        return priv->sb;
-}
-static void *r_next(struct seq_file *m, void *v, loff_t * pos)
-{
-        ++*pos;
-        if (v)
-                deactivate_super(v);
-        return NULL;
-}
-static void r_stop(struct seq_file *m, void *v)
-{
-        if (v)
-                deactivate_super(v);
-}
-static int r_show(struct seq_file *m, void *v)
-{
-        struct reiserfs_seq_private *priv = m->private;
-        return priv->show(m, v);
-}
-static const struct seq_operations r_ops = {
-        .start = r_start,
-        .next = r_next,
-        .stop = r_stop,
-        .show = r_show,
-};
 static int r_open(struct inode *inode, struct file *file)
 {
-        struct reiserfs_seq_private *priv;
+        return single_open(file, PDE_DATA(inode), 
-        int ret = seq_open_private(file, &r_ops,
+                                proc_get_parent_data(inode));
-                                   sizeof(struct reiserfs_seq_private));
-        if (!ret) {
-                struct seq_file *m = file->private_data;
-                priv = m->private;
-                priv->sb = proc_get_parent_data(inode);
-                priv->show = PDE_DATA(inode);
-        }
-        return ret;
 }
 static const struct file_operations r_file_operations = {
        .open = r_open,
        .read = seq_read,
        .llseek = seq_lseek,
-        .release = seq_release_private,
+        .release = single_release,
-        .owner = THIS_MODULE,
 };
 static struct proc_dir_entry *proc_info_root = NULL;
 static const char proc_info_root_name[] = "fs/reiserfs";
 static void add_file(struct super_block *sb, char *name,
-                     int (*func) (struct seq_file *, struct super_block *))
+                     int (*func) (struct seq_file *, void *))
 {
        proc_create_data(name, 0, REISERFS_SB(sb)->procdir,
                         &r_file_operations, func);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f8a23c3078f8..e2e202a07b31 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -499,6 +499,7 @@ int remove_save_link(struct inode *inode, int truncate)
 static void reiserfs_kill_sb(struct super_block *s)
 {
        if (REISERFS_SB(s)) {
+                reiserfs_proc_info_done(s);
                /*
                 * Force any pending inode evictions to occur now. Any
                 * inodes to be removed that have extended attributes
@@ -554,8 +555,6 @@ static void reiserfs_put_super(struct super_block *s)
                                 REISERFS_SB(s)->reserved_blocks);
        }
-        reiserfs_proc_info_done(s);
        reiserfs_write_unlock(s);
        mutex_destroy(&REISERFS_SB(s)->lock);
        kfree(s->s_fs_info);
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 56e6b68c8d2f..94383a70c1a3 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -274,15 +274,12 @@ struct acpi_device_wakeup {
 };
 struct acpi_device_physical_node {
-        u8 node_id;
+        unsigned int node_id;
        struct list_head node;
        struct device *dev;
        bool put_online:1;
 };
-/* set maximum of physical nodes to 32 for expansibility */
-#define ACPI_MAX_PHYSICAL_NODE  32
 /* Device */
 struct acpi_device {
        int device_type;
@@ -302,10 +299,9 @@ struct acpi_device {
        struct acpi_driver *driver;
        void *driver_data;
        struct device dev;
-        u8 physical_node_count;
+        unsigned int physical_node_count;
        struct list_head physical_node_list;
        struct mutex physical_node_lock;
-        DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE);
        struct list_head power_dependent;
        void (*remove)(struct acpi_device *);
 };
@@ -445,7 +441,11 @@ struct acpi_pci_root {
 };
 /* helper */
-acpi_handle acpi_get_child(acpi_handle, u64);
+acpi_handle acpi_find_child(acpi_handle, u64, bool);
+static inline acpi_handle acpi_get_child(acpi_handle handle, u64 addr)
+{
+        return acpi_find_child(handle, addr, false);
+}
 int acpi_is_root_bridge(acpi_handle);
 struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);
 #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev))
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 4372658c73ae..120d57a1c3a5 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -78,6 +78,11 @@ struct trace_iterator {
        /* trace_seq for __print_flags() and __print_symbolic() etc. */
        struct trace_seq        tmp_seq;
+        cpumask_var_t           started;
+        /* it's true when current open file is snapshot */
+        bool                    snapshot;
        /* The below is zeroed out in pipe_read */
        struct trace_seq        seq;
        struct trace_entry      *ent;
@@ -90,10 +95,7 @@ struct trace_iterator {
        loff_t                  pos;
        long                    idx;
-        cpumask_var_t           started;
+        /* All new field here will be zeroed out in pipe_read */
-        /* it's true when current open file is snapshot */
-        bool                    snapshot;
 };
 enum trace_iter_flags {
@@ -332,7 +334,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type,
                              const char *name, int offset, int size,
                              int is_signed, int filter_type);
 extern int trace_add_event_call(struct ftrace_event_call *call);
-extern void trace_remove_event_call(struct ftrace_event_call *call);
+extern int trace_remove_event_call(struct ftrace_event_call *call);
 #define is_signed_type(type)    (((type)(-1)) < (type)1)
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index 3869c525b052..369cf2cd5144 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -8,6 +8,7 @@
 */
 #include <linux/irq.h>
 #include <linux/module.h>
+#include <linux/atomic.h>
 #ifndef _IIO_TRIGGER_H_
 #define _IIO_TRIGGER_H_
@@ -61,7 +62,7 @@ struct iio_trigger {
        struct list_head                list;
        struct list_head                alloc_list;
-        int use_count;
+        atomic_t                        use_count;
        struct irq_chip                 subirq_chip;
        int                             subirq_base;
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 3bef14c6586b..482ad2d84a32 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -629,7 +629,7 @@ extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode);
 static inline void tracing_start(void) { }
 static inline void tracing_stop(void) { }
 static inline void ftrace_off_permanent(void) { }
-static inline void trace_dump_stack(void) { }
+static inline void trace_dump_stack(int skip) { }
 static inline void tracing_on(void) { }
 static inline void tracing_off(void) { }
diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index 8d73fe29796a..db1791bb997a 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -113,11 +113,27 @@
 #define CNTRLREG_8WIRE          CNTRLREG_AFE_CTRL(3)
 #define CNTRLREG_TSCENB         BIT(7)
+/* FIFO READ Register */
+#define FIFOREAD_DATA_MASK (0xfff << 0)
+#define FIFOREAD_CHNLID_MASK (0xf << 16)
+/* Sequencer Status */
+#define SEQ_STATUS BIT(5)
 #define ADC_CLK                 3000000
 #define MAX_CLK_DIV             7
 #define TOTAL_STEPS             16
 #define TOTAL_CHANNELS          8
+/*
+* ADC runs at 3MHz, and it takes
+* 15 cycles to latch one data output.
+* Hence the idle time for ADC to
+* process one sample data would be
+* around 5 micro seconds.
+*/
+#define IDLE_TIMEOUT 5 /* microsec */
 #define TSCADC_CELLS            2
 struct ti_tscadc_dev {
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 75981d0b57dc..580a5320cc96 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -15,6 +15,7 @@
 #include <linux/list.h>
 #include <linux/rbtree.h>
+#include <linux/err.h>
 struct module;
 struct device;
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index b6b215f13b45..14105c26a836 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -23,6 +23,7 @@ struct user_namespace {
        struct uid_gid_map      projid_map;
        atomic_t                count;
        struct user_namespace   *parent;
+        int                     level;
        kuid_t                  owner;
        kgid_t                  group;
        unsigned int            proc_inum;
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 7343a27fe819..47ada23345a1 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -22,6 +22,7 @@
 #define _V4L2_CTRLS_H
 #include <linux/list.h>
+#include <linux/mutex.h>
 #include <linux/videodev2.h>
 /* forward references */
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 789ec4683db3..781845a013ab 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4335,8 +4335,10 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry,
                }
                err = percpu_ref_init(&css->refcnt, css_release);
-                if (err)
+                if (err) {
+                        ss->css_free(cgrp);
                        goto err_free_all;
+                }
                init_cgroup_css(css, ss, cgrp);
diff --git a/kernel/printk/braille.c b/kernel/printk/braille.c
index b51087fb9ace..276762f3a460 100644
--- a/kernel/printk/braille.c
+++ b/kernel/printk/braille.c
@@ -19,7 +19,8 @@ char *_braille_console_setup(char **str, char **brl_options)
                        pr_err("need port name after brl=\n");
                else
                        *((*str)++) = 0;
-        }
+        } else
+                return NULL;
        return *str;
 }
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 4041f5747e73..a146ee327f6a 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -469,7 +469,6 @@ static int ptrace_detach(struct task_struct *child, unsigned int data)
        /* Architecture-specific hardware disable .. */
        ptrace_disable(child);
        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-        flush_ptrace_hw_breakpoint(child);
        write_lock_irq(&tasklist_lock);
        /*
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 8ce9eefc5bb4..a6d098c6df3f 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2169,12 +2169,57 @@ static cycle_t		ftrace_update_time;
 static unsigned long    ftrace_update_cnt;
 unsigned long           ftrace_update_tot_cnt;
-static int ops_traces_mod(struct ftrace_ops *ops)
+static inline int ops_traces_mod(struct ftrace_ops *ops)
 {
-        struct ftrace_hash *hash;
+        /*
+         * Filter_hash being empty will default to trace module.
+         * But notrace hash requires a test of individual module functions.
+         */
+        return ftrace_hash_empty(ops->filter_hash) &&
+                ftrace_hash_empty(ops->notrace_hash);
+}
+/*
+ * Check if the current ops references the record.
+ *
+ * If the ops traces all functions, then it was already accounted for.
+ * If the ops does not trace the current record function, skip it.
+ * If the ops ignores the function via notrace filter, skip it.
+ */
+static inline bool
+ops_references_rec(struct ftrace_ops *ops, struct dyn_ftrace *rec)
+{
+        /* If ops isn't enabled, ignore it */
+        if (!(ops->flags & FTRACE_OPS_FL_ENABLED))
+                return 0;
+        /* If ops traces all mods, we already accounted for it */
+        if (ops_traces_mod(ops))
+                return 0;
+        /* The function must be in the filter */
+        if (!ftrace_hash_empty(ops->filter_hash) &&
+            !ftrace_lookup_ip(ops->filter_hash, rec->ip))
+                return 0;
+        /* If in notrace hash, we ignore it too */
+        if (ftrace_lookup_ip(ops->notrace_hash, rec->ip))
+                return 0;
+        return 1;
+}
+static int referenced_filters(struct dyn_ftrace *rec)
+{
+        struct ftrace_ops *ops;
+        int cnt = 0;
-        hash = ops->filter_hash;
+        for (ops = ftrace_ops_list; ops != &ftrace_list_end; ops = ops->next) {
-        return ftrace_hash_empty(hash);
+                if (ops_references_rec(ops, rec))
+                    cnt++;
+        }
+        return cnt;
 }
 static int ftrace_update_code(struct module *mod)
@@ -2183,6 +2228,7 @@ static int ftrace_update_code(struct module *mod)
        struct dyn_ftrace *p;
        cycle_t start, stop;
        unsigned long ref = 0;
+        bool test = false;
        int i;
        /*
@@ -2196,9 +2242,12 @@ static int ftrace_update_code(struct module *mod)
                for (ops = ftrace_ops_list;
                     ops != &ftrace_list_end; ops = ops->next) {
-                        if (ops->flags & FTRACE_OPS_FL_ENABLED &&
+                        if (ops->flags & FTRACE_OPS_FL_ENABLED) {
-                            ops_traces_mod(ops))
+                                if (ops_traces_mod(ops))
-                                ref++;
+                                        ref++;
+                                else
+                                        test = true;
+                        }
                }
        }
@@ -2208,12 +2257,16 @@ static int ftrace_update_code(struct module *mod)
        for (pg = ftrace_new_pgs; pg; pg = pg->next) {
                for (i = 0; i < pg->index; i++) {
+                        int cnt = ref;
                        /* If something went wrong, bail without enabling anything */
                        if (unlikely(ftrace_disabled))
                                return -1;
                        p = &pg->records[i];
-                        p->flags = ref;
+                        if (test)
+                                cnt += referenced_filters(p);
+                        p->flags = cnt;
                        /*
                         * Do the initial record conversion from mcount jump
@@ -2233,7 +2286,7 @@ static int ftrace_update_code(struct module *mod)
                         * conversion puts the module to the correct state, thus
                         * passing the ftrace_make_call check.
                         */
-                        if (ftrace_start_up && ref) {
+                        if (ftrace_start_up && cnt) {
                                int failed = __ftrace_replace_code(p, 1);
                                if (failed)
                                        ftrace_bug(failed, p->ip);
@@ -3384,6 +3437,12 @@ ftrace_match_addr(struct ftrace_hash *hash, unsigned long ip, int remove)
        return add_hash_entry(hash, ip);
 }
+static void ftrace_ops_update_code(struct ftrace_ops *ops)
+{
+        if (ops->flags & FTRACE_OPS_FL_ENABLED && ftrace_enabled)
+                ftrace_run_update_code(FTRACE_UPDATE_CALLS);
+}
 static int
 ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len,
                unsigned long ip, int remove, int reset, int enable)
@@ -3426,9 +3485,8 @@ ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len,
        mutex_lock(&ftrace_lock);
        ret = ftrace_hash_move(ops, enable, orig_hash, hash);
-        if (!ret && ops->flags & FTRACE_OPS_FL_ENABLED
+        if (!ret)
-            && ftrace_enabled)
+                ftrace_ops_update_code(ops);
-                ftrace_run_update_code(FTRACE_UPDATE_CALLS);
        mutex_unlock(&ftrace_lock);
@@ -3655,9 +3713,8 @@ int ftrace_regex_release(struct inode *inode, struct file *file)
                mutex_lock(&ftrace_lock);
                ret = ftrace_hash_move(iter->ops, filter_hash,
                                       orig_hash, iter->hash);
-                if (!ret && (iter->ops->flags & FTRACE_OPS_FL_ENABLED)
+                if (!ret)
-                    && ftrace_enabled)
+                        ftrace_ops_update_code(iter->ops);
-                        ftrace_run_update_code(FTRACE_UPDATE_CALLS);
                mutex_unlock(&ftrace_lock);
        }
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 882ec1dd1515..496f94d57698 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -243,20 +243,25 @@ int filter_current_check_discard(struct ring_buffer *buffer,
 }
 EXPORT_SYMBOL_GPL(filter_current_check_discard);
-cycle_t ftrace_now(int cpu)
+cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu)
 {
        u64 ts;
        /* Early boot up does not have a buffer yet */
-        if (!global_trace.trace_buffer.buffer)
+        if (!buf->buffer)
                return trace_clock_local();
-        ts = ring_buffer_time_stamp(global_trace.trace_buffer.buffer, cpu);
+        ts = ring_buffer_time_stamp(buf->buffer, cpu);
-        ring_buffer_normalize_time_stamp(global_trace.trace_buffer.buffer, cpu, &ts);
+        ring_buffer_normalize_time_stamp(buf->buffer, cpu, &ts);
        return ts;
 }
+cycle_t ftrace_now(int cpu)
+{
+        return buffer_ftrace_now(&global_trace.trace_buffer, cpu);
+}
 /**
 * tracing_is_enabled - Show if global_trace has been disabled
 *
@@ -1211,7 +1216,7 @@ void tracing_reset_online_cpus(struct trace_buffer *buf)
        /* Make sure all commits have finished */
        synchronize_sched();
-        buf->time_start = ftrace_now(buf->cpu);
+        buf->time_start = buffer_ftrace_now(buf, buf->cpu);
        for_each_online_cpu(cpu)
                ring_buffer_reset_cpu(buffer, cpu);
@@ -1219,11 +1224,6 @@ void tracing_reset_online_cpus(struct trace_buffer *buf)
        ring_buffer_record_enable(buffer);
 }
-void tracing_reset_current(int cpu)
-{
-        tracing_reset(&global_trace.trace_buffer, cpu);
-}
 /* Must have trace_types_lock held */
 void tracing_reset_all_online_cpus(void)
 {
@@ -4151,6 +4151,7 @@ waitagain:
        memset(&iter->seq, 0,
               sizeof(struct trace_iterator) -
               offsetof(struct trace_iterator, seq));
+        cpumask_clear(iter->started);
        iter->pos = -1;
        trace_event_read_lock();
@@ -4468,7 +4469,7 @@ tracing_free_buffer_release(struct inode *inode, struct file *filp)
        /* disable tracing ? */
        if (trace_flags & TRACE_ITER_STOP_ON_FREE)
-                tracing_off();
+                tracer_tracing_off(tr);
        /* resize the ring buffer to 0 */
        tracing_resize_ring_buffer(tr, 0, RING_BUFFER_ALL_CPUS);
@@ -4633,12 +4634,12 @@ static ssize_t tracing_clock_write(struct file *filp, const char __user *ubuf,
         * New clock may not be consistent with the previous clock.
         * Reset the buffer so that it doesn't have incomparable timestamps.
         */
-        tracing_reset_online_cpus(&global_trace.trace_buffer);
+        tracing_reset_online_cpus(&tr->trace_buffer);
 #ifdef CONFIG_TRACER_MAX_TRACE
        if (tr->flags & TRACE_ARRAY_FL_GLOBAL && tr->max_buffer.buffer)
                ring_buffer_set_clock(tr->max_buffer.buffer, trace_clocks[i].func);
-        tracing_reset_online_cpus(&global_trace.max_buffer);
+        tracing_reset_online_cpus(&tr->max_buffer);
 #endif
        mutex_unlock(&trace_types_lock);
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 898f868833f2..29a7ebcfb426 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -409,33 +409,42 @@ static void put_system(struct ftrace_subsystem_dir *dir)
        mutex_unlock(&event_mutex);
 }
-/*
+static void remove_subsystem(struct ftrace_subsystem_dir *dir)
- * Open and update trace_array ref count.
- * Must have the current trace_array passed to it.
- */
-static int tracing_open_generic_file(struct inode *inode, struct file *filp)
 {
-        struct ftrace_event_file *file = inode->i_private;
+        if (!dir)
-        struct trace_array *tr = file->tr;
+                return;
-        int ret;
-        if (trace_array_get(tr) < 0)
+        if (!--dir->nr_events) {
-                return -ENODEV;
+                debugfs_remove_recursive(dir->entry);
+                list_del(&dir->list);
+                __put_system_dir(dir);
+        }
+}
-        ret = tracing_open_generic(inode, filp);
+static void *event_file_data(struct file *filp)
-        if (ret < 0)
+{
-                trace_array_put(tr);
+        return ACCESS_ONCE(file_inode(filp)->i_private);
-        return ret;
 }
-static int tracing_release_generic_file(struct inode *inode, struct file *filp)
+static void remove_event_file_dir(struct ftrace_event_file *file)
 {
-        struct ftrace_event_file *file = inode->i_private;
+        struct dentry *dir = file->dir;
-        struct trace_array *tr = file->tr;
+        struct dentry *child;
-        trace_array_put(tr);
+        if (dir) {
+                spin_lock(&dir->d_lock);        /* probably unneeded */
+                list_for_each_entry(child, &dir->d_subdirs, d_u.d_child) {
+                        if (child->d_inode)     /* probably unneeded */
+                                child->d_inode->i_private = NULL;
+                }
+                spin_unlock(&dir->d_lock);
-        return 0;
+                debugfs_remove_recursive(dir);
+        }
+        list_del(&file->list);
+        remove_subsystem(file->system);
+        kmem_cache_free(file_cachep, file);
 }
 /*
@@ -679,15 +688,25 @@ static ssize_t
 event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
                  loff_t *ppos)
 {
-        struct ftrace_event_file *file = filp->private_data;
+        struct ftrace_event_file *file;
+        unsigned long flags;
        char buf[4] = "0";
-        if (file->flags & FTRACE_EVENT_FL_ENABLED &&
+        mutex_lock(&event_mutex);
-            !(file->flags & FTRACE_EVENT_FL_SOFT_DISABLED))
+        file = event_file_data(filp);
+        if (likely(file))
+                flags = file->flags;
+        mutex_unlock(&event_mutex);
+        if (!file)
+                return -ENODEV;
+        if (flags & FTRACE_EVENT_FL_ENABLED &&
+            !(flags & FTRACE_EVENT_FL_SOFT_DISABLED))
                strcpy(buf, "1");
-        if (file->flags & FTRACE_EVENT_FL_SOFT_DISABLED ||
+        if (flags & FTRACE_EVENT_FL_SOFT_DISABLED ||
-            file->flags & FTRACE_EVENT_FL_SOFT_MODE)
+            flags & FTRACE_EVENT_FL_SOFT_MODE)
                strcat(buf, "*");
        strcat(buf, "\n");
@@ -699,13 +718,10 @@ static ssize_t
 event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
                   loff_t *ppos)
 {
-        struct ftrace_event_file *file = filp->private_data;
+        struct ftrace_event_file *file;
        unsigned long val;
        int ret;
-        if (!file)
-                return -EINVAL;
        ret = kstrtoul_from_user(ubuf, cnt, 10, &val);
        if (ret)
                return ret;
@@ -717,8 +733,11 @@ event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
        switch (val) {
        case 0:
        case 1:
+                ret = -ENODEV;
                mutex_lock(&event_mutex);
-                ret = ftrace_event_enable_disable(file, val);
+                file = event_file_data(filp);
+                if (likely(file))
+                        ret = ftrace_event_enable_disable(file, val);
                mutex_unlock(&event_mutex);
                break;
@@ -825,7 +844,7 @@ enum {
 static void *f_next(struct seq_file *m, void *v, loff_t *pos)
 {
-        struct ftrace_event_call *call = m->private;
+        struct ftrace_event_call *call = event_file_data(m->private);
        struct list_head *common_head = &ftrace_common_fields;
        struct list_head *head = trace_get_fields(call);
        struct list_head *node = v;
@@ -857,7 +876,7 @@ static void *f_next(struct seq_file *m, void *v, loff_t *pos)
 static int f_show(struct seq_file *m, void *v)
 {
-        struct ftrace_event_call *call = m->private;
+        struct ftrace_event_call *call = event_file_data(m->private);
        struct ftrace_event_field *field;
        const char *array_descriptor;
@@ -910,6 +929,11 @@ static void *f_start(struct seq_file *m, loff_t *pos)
        void *p = (void *)FORMAT_HEADER;
        loff_t l = 0;
+        /* ->stop() is called even if ->start() fails */
+        mutex_lock(&event_mutex);
+        if (!event_file_data(m->private))
+                return ERR_PTR(-ENODEV);
        while (l < *pos && p)
                p = f_next(m, p, &l);
@@ -918,6 +942,7 @@ static void *f_start(struct seq_file *m, loff_t *pos)
 static void f_stop(struct seq_file *m, void *p)
 {
+        mutex_unlock(&event_mutex);
 }
 static const struct seq_operations trace_format_seq_ops = {
@@ -929,7 +954,6 @@ static const struct seq_operations trace_format_seq_ops = {
 static int trace_format_open(struct inode *inode, struct file *file)
 {
-        struct ftrace_event_call *call = inode->i_private;
        struct seq_file *m;
        int ret;
@@ -938,7 +962,7 @@ static int trace_format_open(struct inode *inode, struct file *file)
                return ret;
        m = file->private_data;
-        m->private = call;
+        m->private = file;
        return 0;
 }
@@ -946,14 +970,18 @@ static int trace_format_open(struct inode *inode, struct file *file)
 static ssize_t
 event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)
 {
-        struct ftrace_event_call *call = filp->private_data;
+        int id = (long)event_file_data(filp);
        char buf[32];
        int len;
        if (*ppos)
                return 0;
-        len = sprintf(buf, "%d\n", call->event.type);
+        if (unlikely(!id))
+                return -ENODEV;
+        len = sprintf(buf, "%d\n", id);
        return simple_read_from_buffer(ubuf, cnt, ppos, buf, len);
 }
@@ -961,21 +989,28 @@ static ssize_t
 event_filter_read(struct file *filp, char __user *ubuf, size_t cnt,
                  loff_t *ppos)
 {
-        struct ftrace_event_call *call = filp->private_data;
+        struct ftrace_event_call *call;
        struct trace_seq *s;
-        int r;
+        int r = -ENODEV;
        if (*ppos)
                return 0;
        s = kmalloc(sizeof(*s), GFP_KERNEL);
        if (!s)
                return -ENOMEM;
        trace_seq_init(s);
-        print_event_filter(call, s);
+        mutex_lock(&event_mutex);
-        r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len);
+        call = event_file_data(filp);
+        if (call)
+                print_event_filter(call, s);
+        mutex_unlock(&event_mutex);
+        if (call)
+                r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len);
        kfree(s);
@@ -986,9 +1021,9 @@ static ssize_t
 event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,
                   loff_t *ppos)
 {
-        struct ftrace_event_call *call = filp->private_data;
+        struct ftrace_event_call *call;
        char *buf;
-        int err;
+        int err = -ENODEV;
        if (cnt >= PAGE_SIZE)
                return -EINVAL;
@@ -1003,7 +1038,12 @@ event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,
        }
        buf[cnt] = '\0';
-        err = apply_event_filter(call, buf);
+        mutex_lock(&event_mutex);
+        call = event_file_data(filp);
+        if (call)
+                err = apply_event_filter(call, buf);
+        mutex_unlock(&event_mutex);
        free_page((unsigned long) buf);
        if (err < 0)
                return err;
@@ -1225,10 +1265,9 @@ static const struct file_operations ftrace_set_event_fops = {
 };
 static const struct file_operations ftrace_enable_fops = {
-        .open = tracing_open_generic_file,
+        .open = tracing_open_generic,
        .read = event_enable_read,
        .write = event_enable_write,
-        .release = tracing_release_generic_file,
        .llseek = default_llseek,
 };
@@ -1240,7 +1279,6 @@ static const struct file_operations ftrace_event_format_fops = {
 };
 static const struct file_operations ftrace_event_id_fops = {
-        .open = tracing_open_generic,
        .read = event_id_read,
        .llseek = default_llseek,
 };
@@ -1488,8 +1526,8 @@ event_create_dir(struct dentry *parent,
 #ifdef CONFIG_PERF_EVENTS
        if (call->event.type && call->class->reg)
-                trace_create_file("id", 0444, file->dir, call,
+                trace_create_file("id", 0444, file->dir,
-                                  id);
+                                  (void *)(long)call->event.type, id);
 #endif
        /*
@@ -1514,33 +1552,16 @@ event_create_dir(struct dentry *parent,
        return 0;
 }
-static void remove_subsystem(struct ftrace_subsystem_dir *dir)
-{
-        if (!dir)
-                return;
-        if (!--dir->nr_events) {
-                debugfs_remove_recursive(dir->entry);
-                list_del(&dir->list);
-                __put_system_dir(dir);
-        }
-}
 static void remove_event_from_tracers(struct ftrace_event_call *call)
 {
        struct ftrace_event_file *file;
        struct trace_array *tr;
        do_for_each_event_file_safe(tr, file) {
                if (file->event_call != call)
                        continue;
-                list_del(&file->list);
+                remove_event_file_dir(file);
-                debugfs_remove_recursive(file->dir);
-                remove_subsystem(file->system);
-                kmem_cache_free(file_cachep, file);
                /*
                 * The do_for_each_event_file_safe() is
                 * a double loop. After finding the call for this
@@ -1692,16 +1713,53 @@ static void __trace_remove_event_call(struct ftrace_event_call *call)
        destroy_preds(call);
 }
+static int probe_remove_event_call(struct ftrace_event_call *call)
+{
+        struct trace_array *tr;
+        struct ftrace_event_file *file;
+#ifdef CONFIG_PERF_EVENTS
+        if (call->perf_refcount)
+                return -EBUSY;
+#endif
+        do_for_each_event_file(tr, file) {
+                if (file->event_call != call)
+                        continue;
+                /*
+                 * We can't rely on ftrace_event_enable_disable(enable => 0)
+                 * we are going to do, FTRACE_EVENT_FL_SOFT_MODE can suppress
+                 * TRACE_REG_UNREGISTER.
+                 */
+                if (file->flags & FTRACE_EVENT_FL_ENABLED)
+                        return -EBUSY;
+                /*
+                 * The do_for_each_event_file_safe() is
+                 * a double loop. After finding the call for this
+                 * trace_array, we use break to jump to the next
+                 * trace_array.
+                 */
+                break;
+        } while_for_each_event_file();
+        __trace_remove_event_call(call);
+        return 0;
+}
 /* Remove an event_call */
-void trace_remove_event_call(struct ftrace_event_call *call)
+int trace_remove_event_call(struct ftrace_event_call *call)
 {
+        int ret;
        mutex_lock(&trace_types_lock);
        mutex_lock(&event_mutex);
        down_write(&trace_event_sem);
-        __trace_remove_event_call(call);
+        ret = probe_remove_event_call(call);
        up_write(&trace_event_sem);
        mutex_unlock(&event_mutex);
        mutex_unlock(&trace_types_lock);
+        return ret;
 }
 #define for_each_event(event, start, end)                       \
@@ -2270,12 +2328,8 @@ __trace_remove_event_dirs(struct trace_array *tr)
 {
        struct ftrace_event_file *file, *next;
-        list_for_each_entry_safe(file, next, &tr->events, list) {
+        list_for_each_entry_safe(file, next, &tr->events, list)
-                list_del(&file->list);
+                remove_event_file_dir(file);
-                debugfs_remove_recursive(file->dir);
-                remove_subsystem(file->system);
-                kmem_cache_free(file_cachep, file);
-        }
 }
 static void
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 0c7b75a8acc8..97daa8cf958d 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -637,17 +637,15 @@ static void append_filter_err(struct filter_parse_state *ps,
        free_page((unsigned long) buf);
 }
+/* caller must hold event_mutex */
 void print_event_filter(struct ftrace_event_call *call, struct trace_seq *s)
 {
-        struct event_filter *filter;
+        struct event_filter *filter = call->filter;
-        mutex_lock(&event_mutex);
-        filter = call->filter;
        if (filter && filter->filter_string)
                trace_seq_printf(s, "%s\n", filter->filter_string);
        else
                trace_seq_puts(s, "none\n");
-        mutex_unlock(&event_mutex);
 }
 void print_subsystem_event_filter(struct event_subsystem *system,
@@ -1841,23 +1839,22 @@ static int create_system_filter(struct event_subsystem *system,
        return err;
 }
+/* caller must hold event_mutex */
 int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
 {
        struct event_filter *filter;
-        int err = 0;
+        int err;
-        mutex_lock(&event_mutex);
        if (!strcmp(strstrip(filter_string), "0")) {
                filter_disable(call);
                filter = call->filter;
                if (!filter)
-                        goto out_unlock;
+                        return 0;
                RCU_INIT_POINTER(call->filter, NULL);
                /* Make sure the filter is not being used */
                synchronize_sched();
                __free_filter(filter);
-                goto out_unlock;
+                return 0;
        }
        err = create_filter(call, filter_string, true, &filter);
@@ -1884,8 +1881,6 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
                        __free_filter(tmp);
                }
        }
-out_unlock:
-        mutex_unlock(&event_mutex);
        return err;
 }
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 3811487e7a7a..243f6834d026 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -95,7 +95,7 @@ static __kprobes bool trace_probe_is_on_module(struct trace_probe *tp)
 }
 static int register_probe_event(struct trace_probe *tp);
-static void unregister_probe_event(struct trace_probe *tp);
+static int unregister_probe_event(struct trace_probe *tp);
 static DEFINE_MUTEX(probe_lock);
 static LIST_HEAD(probe_list);
@@ -351,9 +351,12 @@ static int unregister_trace_probe(struct trace_probe *tp)
        if (trace_probe_is_enabled(tp))
                return -EBUSY;
+        /* Will fail if probe is being used by ftrace or perf */
+        if (unregister_probe_event(tp))
+                return -EBUSY;
        __unregister_trace_probe(tp);
        list_del(&tp->list);
-        unregister_probe_event(tp);
        return 0;
 }
@@ -632,7 +635,9 @@ static int release_all_trace_probes(void)
        /* TODO: Use batch unregistration */
        while (!list_empty(&probe_list)) {
                tp = list_entry(probe_list.next, struct trace_probe, list);
-                unregister_trace_probe(tp);
+                ret = unregister_trace_probe(tp);
+                if (ret)
+                        goto end;
                free_trace_probe(tp);
        }
@@ -1247,11 +1252,15 @@ static int register_probe_event(struct trace_probe *tp)
        return ret;
 }
-static void unregister_probe_event(struct trace_probe *tp)
+static int unregister_probe_event(struct trace_probe *tp)
 {
+        int ret;
        /* tp->event is unregistered in trace_remove_event_call() */
-        trace_remove_event_call(&tp->call);
+        ret = trace_remove_event_call(&tp->call);
-        kfree(tp->call.print_fmt);
+        if (!ret)
+                kfree(tp->call.print_fmt);
+        return ret;
 }
 /* Make a debugfs interface for controlling probe points */
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index a23d2d71188e..272261b5f94f 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -70,7 +70,7 @@ struct trace_uprobe {
        (sizeof(struct probe_arg) * (n)))
 static int register_uprobe_event(struct trace_uprobe *tu);
-static void unregister_uprobe_event(struct trace_uprobe *tu);
+static int unregister_uprobe_event(struct trace_uprobe *tu);
 static DEFINE_MUTEX(uprobe_lock);
 static LIST_HEAD(uprobe_list);
@@ -164,11 +164,17 @@ static struct trace_uprobe *find_probe_event(const char *event, const char *grou
 }
 /* Unregister a trace_uprobe and probe_event: call with locking uprobe_lock */
-static void unregister_trace_uprobe(struct trace_uprobe *tu)
+static int unregister_trace_uprobe(struct trace_uprobe *tu)
 {
+        int ret;
+        ret = unregister_uprobe_event(tu);
+        if (ret)
+                return ret;
        list_del(&tu->list);
-        unregister_uprobe_event(tu);
        free_trace_uprobe(tu);
+        return 0;
 }
 /* Register a trace_uprobe and probe_event */
@@ -181,9 +187,12 @@ static int register_trace_uprobe(struct trace_uprobe *tu)
        /* register as an event */
        old_tp = find_probe_event(tu->call.name, tu->call.class->system);
-        if (old_tp)
+        if (old_tp) {
                /* delete old event */
-                unregister_trace_uprobe(old_tp);
+                ret = unregister_trace_uprobe(old_tp);
+                if (ret)
+                        goto end;
+        }
        ret = register_uprobe_event(tu);
        if (ret) {
@@ -256,6 +265,8 @@ static int create_trace_uprobe(int argc, char **argv)
                group = UPROBE_EVENT_SYSTEM;
        if (is_delete) {
+                int ret;
                if (!event) {
                        pr_info("Delete command needs an event name.\n");
                        return -EINVAL;
@@ -269,9 +280,9 @@ static int create_trace_uprobe(int argc, char **argv)
                        return -ENOENT;
                }
                /* delete an event */
-                unregister_trace_uprobe(tu);
+                ret = unregister_trace_uprobe(tu);
                mutex_unlock(&uprobe_lock);
-                return 0;
+                return ret;
        }
        if (argc < 2) {
@@ -408,16 +419,20 @@ fail_address_parse:
        return ret;
 }
-static void cleanup_all_probes(void)
+static int cleanup_all_probes(void)
 {
        struct trace_uprobe *tu;
+        int ret = 0;
        mutex_lock(&uprobe_lock);
        while (!list_empty(&uprobe_list)) {
                tu = list_entry(uprobe_list.next, struct trace_uprobe, list);
-                unregister_trace_uprobe(tu);
+                ret = unregister_trace_uprobe(tu);
+                if (ret)
+                        break;
        }
        mutex_unlock(&uprobe_lock);
+        return ret;
 }
 /* Probes listing interfaces */
@@ -462,8 +477,13 @@ static const struct seq_operations probes_seq_op = {
 static int probes_open(struct inode *inode, struct file *file)
 {
-        if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_TRUNC))
+        int ret;
-                cleanup_all_probes();
+        if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_TRUNC)) {
+                ret = cleanup_all_probes();
+                if (ret)
+                        return ret;
+        }
        return seq_open(file, &probes_seq_op);
 }
@@ -968,12 +988,17 @@ static int register_uprobe_event(struct trace_uprobe *tu)
        return ret;
 }
-static void unregister_uprobe_event(struct trace_uprobe *tu)
+static int unregister_uprobe_event(struct trace_uprobe *tu)
 {
+        int ret;
        /* tu->event is unregistered in trace_remove_event_call() */
-        trace_remove_event_call(&tu->call);
+        ret = trace_remove_event_call(&tu->call);
+        if (ret)
+                return ret;
        kfree(tu->call.print_fmt);
        tu->call.print_fmt = NULL;
+        return 0;
 }
 /* Make a trace interface for controling probe points */
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index d8c30db06c5b..9064b919a406 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -62,6 +62,9 @@ int create_user_ns(struct cred *new)
        kgid_t group = new->egid;
        int ret;
+        if (parent_ns->level > 32)
+                return -EUSERS;
        /*
         * Verify that we can not violate the policy of which files
         * may be accessed that is specified by the root directory,
@@ -92,6 +95,7 @@ int create_user_ns(struct cred *new)
        atomic_set(&ns->count, 1);
        /* Leave the new->user_ns reference with the new user namespace. */
        ns->parent = parent_ns;
+        ns->level = parent_ns->level + 1;
        ns->owner = owner;
        ns->group = group;
@@ -105,16 +109,21 @@ int create_user_ns(struct cred *new)
 int unshare_userns(unsigned long unshare_flags, struct cred **new_cred)
 {
        struct cred *cred;
+        int err = -ENOMEM;
        if (!(unshare_flags & CLONE_NEWUSER))
                return 0;
        cred = prepare_creds();
-        if (!cred)
+        if (cred) {
-                return -ENOMEM;
+                err = create_user_ns(cred);
+                if (err)
+                        put_cred(cred);
+                else
+                        *new_cred = cred;
+        }
-        *new_cred = cred;
+        return err;
-        return create_user_ns(cred);
 }
 void free_user_ns(struct user_namespace *ns)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0b72e816b8d0..7f5d4be22034 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2817,6 +2817,19 @@ already_gone:
        return false;
 }
+static bool __flush_work(struct work_struct *work)
+{
+        struct wq_barrier barr;
+        if (start_flush_work(work, &barr)) {
+                wait_for_completion(&barr.done);
+                destroy_work_on_stack(&barr.work);
+                return true;
+        } else {
+                return false;
+        }
+}
 /**
 * flush_work - wait for a work to finish executing the last queueing instance
 * @work: the work to flush
@@ -2830,18 +2843,10 @@ already_gone:
 */
 bool flush_work(struct work_struct *work)
 {
-        struct wq_barrier barr;
        lock_map_acquire(&work->lockdep_map);
        lock_map_release(&work->lockdep_map);
-        if (start_flush_work(work, &barr)) {
+        return __flush_work(work);
-                wait_for_completion(&barr.done);
-                destroy_work_on_stack(&barr.work);
-                return true;
-        } else {
-                return false;
-        }
 }
 EXPORT_SYMBOL_GPL(flush_work);
@@ -3411,6 +3416,12 @@ static void copy_workqueue_attrs(struct workqueue_attrs *to,
 {
        to->nice = from->nice;
        cpumask_copy(to->cpumask, from->cpumask);
+        /*
+         * Unlike hash and equality test, this function doesn't ignore
+         * ->no_numa as it is used for both pool and wq attrs.  Instead,
+         * get_unbound_pool() explicitly clears ->no_numa after copying.
+         */
+        to->no_numa = from->no_numa;
 }
 /* hash value of the content of @attr */
@@ -3578,6 +3589,12 @@ static struct worker_pool *get_unbound_pool(const struct workqueue_attrs *attrs)
        lockdep_set_subclass(&pool->lock, 1);   /* see put_pwq() */
        copy_workqueue_attrs(pool->attrs, attrs);
+        /*
+         * no_numa isn't a worker_pool attribute, always clear it.  See
+         * 'struct workqueue_attrs' comments for detail.
+         */
+        pool->attrs->no_numa = false;
        /* if cpumask is contained inside a NUMA node, we belong to that node */
        if (wq_numa_enabled) {
                for_each_node(node) {
@@ -4756,7 +4773,14 @@ long work_on_cpu(int cpu, long (*fn)(void *), void *arg)
        INIT_WORK_ONSTACK(&wfc.work, work_for_cpu_fn);
        schedule_work_on(cpu, &wfc.work);
-        flush_work(&wfc.work);
+        /*
+         * The work item is on-stack and can't lead to deadlock through
+         * flushing.  Use __flush_work() to avoid spurious lockdep warnings
+         * when work_on_cpu()s are nested.
+         */
+        __flush_work(&wfc.work);
        return wfc.ret;
 }
 EXPORT_SYMBOL_GPL(work_on_cpu);
diff --git a/mm/slub.c b/mm/slub.c
index 2b02d666bf63..e3ba1f2cf60c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1968,9 +1968,6 @@ static void put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
        int pages;
        int pobjects;
-        if (!s->cpu_partial)
-                return;
        do {
                pages = 0;
                pobjects = 0;
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 3f7682a387b7..eefbd10e408f 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -1998,12 +1998,11 @@ static void smk_ipv6_port_label(struct socket *sock, struct sockaddr *address)
 *
 * Create or update the port list entry
 */
-static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address,
+static int smk_ipv6_port_check(struct sock *sk, struct sockaddr_in6 *address,
                                int act)
 {
        __be16 *bep;
        __be32 *be32p;
-        struct sockaddr_in6 *addr6;
        struct smk_port_label *spp;
        struct socket_smack *ssp = sk->sk_security;
        struct smack_known *skp;
@@ -2025,10 +2024,9 @@ static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address,
        /*
         * Get the IP address and port from the address.
         */
-        addr6 = (struct sockaddr_in6 *)address;
+        port = ntohs(address->sin6_port);
-        port = ntohs(addr6->sin6_port);
+        bep = (__be16 *)(&address->sin6_addr);
-        bep = (__be16 *)(&addr6->sin6_addr);
+        be32p = (__be32 *)(&address->sin6_addr);
-        be32p = (__be32 *)(&addr6->sin6_addr);
        /*
         * It's remote, so port lookup does no good.
@@ -2060,9 +2058,9 @@ auditout:
        ad.a.u.net->family = sk->sk_family;
        ad.a.u.net->dport = port;
        if (act == SMK_RECEIVING)
-                ad.a.u.net->v6info.saddr = addr6->sin6_addr;
+                ad.a.u.net->v6info.saddr = address->sin6_addr;
        else
-                ad.a.u.net->v6info.daddr = addr6->sin6_addr;
+                ad.a.u.net->v6info.daddr = address->sin6_addr;
 #endif
        return smk_access(skp, object, MAY_WRITE, &ad);
 }
@@ -2201,7 +2199,8 @@ static int smack_socket_connect(struct socket *sock, struct sockaddr *sap,
        case PF_INET6:
                if (addrlen < sizeof(struct sockaddr_in6))
                        return -EINVAL;
-                rc = smk_ipv6_port_check(sock->sk, sap, SMK_CONNECTING);
+                rc = smk_ipv6_port_check(sock->sk, (struct sockaddr_in6 *)sap,
+                                                SMK_CONNECTING);
                break;
        }
        return rc;
@@ -3034,7 +3033,7 @@ static int smack_socket_sendmsg(struct socket *sock, struct msghdr *msg,
                                int size)
 {
        struct sockaddr_in *sip = (struct sockaddr_in *) msg->msg_name;
-        struct sockaddr *sap = (struct sockaddr *) msg->msg_name;
+        struct sockaddr_in6 *sap = (struct sockaddr_in6 *) msg->msg_name;
        int rc = 0;
        /*
@@ -3121,9 +3120,8 @@ static struct smack_known *smack_from_secattr(struct netlbl_lsm_secattr *sap,
        return smack_net_ambient;
 }
-static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr *sap)
+static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr_in6 *sip)
 {
-        struct sockaddr_in6 *sip = (struct sockaddr_in6 *)sap;
        u8 nexthdr;
        int offset;
        int proto = -EINVAL;
@@ -3181,7 +3179,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
        struct netlbl_lsm_secattr secattr;
        struct socket_smack *ssp = sk->sk_security;
        struct smack_known *skp;
-        struct sockaddr sadd;
+        struct sockaddr_in6 sadd;
        int rc = 0;
        struct smk_audit_info ad;
 #ifdef CONFIG_AUDIT
diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c
index 9e6e3ffd86bb..23452ee617e1 100644
--- a/sound/usb/6fire/comm.c
+++ b/sound/usb/6fire/comm.c
@@ -110,19 +110,37 @@ static int usb6fire_comm_send_buffer(u8 *buffer, struct usb_device *dev)
 static int usb6fire_comm_write8(struct comm_runtime *rt, u8 request,
                u8 reg, u8 value)
 {
-        u8 buffer[13]; /* 13: maximum length of message */
+        u8 *buffer;
+        int ret;
+        /* 13: maximum length of message */
+        buffer = kmalloc(13, GFP_KERNEL);
+        if (!buffer)
+                return -ENOMEM;
        usb6fire_comm_init_buffer(buffer, 0x00, request, reg, value, 0x00);
-        return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+        ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+        kfree(buffer);
+        return ret;
 }
 static int usb6fire_comm_write16(struct comm_runtime *rt, u8 request,
                u8 reg, u8 vl, u8 vh)
 {
-        u8 buffer[13]; /* 13: maximum length of message */
+        u8 *buffer;
+        int ret;
+        /* 13: maximum length of message */
+        buffer = kmalloc(13, GFP_KERNEL);
+        if (!buffer)
+                return -ENOMEM;
        usb6fire_comm_init_buffer(buffer, 0x00, request, reg, vl, vh);
-        return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+        ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+        kfree(buffer);
+        return ret;
 }
 int usb6fire_comm_init(struct sfire_chip *chip)
@@ -135,6 +153,12 @@ int usb6fire_comm_init(struct sfire_chip *chip)
        if (!rt)
                return -ENOMEM;
+        rt->receiver_buffer = kzalloc(COMM_RECEIVER_BUFSIZE, GFP_KERNEL);
+        if (!rt->receiver_buffer) {
+                kfree(rt);
+                return -ENOMEM;
+        }
        urb = &rt->receiver;
        rt->serial = 1;
        rt->chip = chip;
@@ -153,6 +177,7 @@ int usb6fire_comm_init(struct sfire_chip *chip)
        urb->interval = 1;
        ret = usb_submit_urb(urb, GFP_KERNEL);
        if (ret < 0) {
+                kfree(rt->receiver_buffer);
                kfree(rt);
                snd_printk(KERN_ERR PREFIX "cannot create comm data receiver.");
                return ret;
@@ -171,6 +196,9 @@ void usb6fire_comm_abort(struct sfire_chip *chip)
 void usb6fire_comm_destroy(struct sfire_chip *chip)
 {
-        kfree(chip->comm);
+        struct comm_runtime *rt = chip->comm;
+        kfree(rt->receiver_buffer);
+        kfree(rt);
        chip->comm = NULL;
 }
diff --git a/sound/usb/6fire/comm.h b/sound/usb/6fire/comm.h
index 6a0840b0dcff..780d5ed8e5d8 100644
--- a/sound/usb/6fire/comm.h
+++ b/sound/usb/6fire/comm.h
@@ -24,7 +24,7 @@ struct comm_runtime {
        struct sfire_chip *chip;
        struct urb receiver;
-        u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];
+        u8 *receiver_buffer;
        u8 serial; /* urb serial */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 7a444b5501d9..659950e5b94f 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -591,17 +591,16 @@ static int data_ep_set_params(struct snd_usb_endpoint *ep,
        ep->stride = frame_bits >> 3;
        ep->silence_value = pcm_format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0;
-        /* calculate max. frequency */
+        /* assume max. frequency is 25% higher than nominal */
-        if (ep->maxpacksize) {
+        ep->freqmax = ep->freqn + (ep->freqn >> 2);
+        maxsize = ((ep->freqmax + 0xffff) * (frame_bits >> 3))
+                                >> (16 - ep->datainterval);
+        /* but wMaxPacketSize might reduce this */
+        if (ep->maxpacksize && ep->maxpacksize < maxsize) {
                /* whatever fits into a max. size packet */
                maxsize = ep->maxpacksize;
                ep->freqmax = (maxsize / (frame_bits >> 3))
                                << (16 - ep->datainterval);
-        } else {
-                /* no max. packet size: just take 25% higher than nominal */
-                ep->freqmax = ep->freqn + (ep->freqn >> 2);
-                maxsize = ((ep->freqmax + 0xffff) * (frame_bits >> 3))
-                                >> (16 - ep->datainterval);
        }
        if (ep->fill_max)