Merge tag 'asoc-fix-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v4.10 As well as the usual smattering of driver specific fixes collected since the merge window this has one particularly important fix to the core for handling of aux_devs which was broken during the merge window by some of the componentization refactoring.
author: Takashi Iwai <tiwai@suse.de> 2017-01-11 13:49:27 -0500
committer: Takashi Iwai <tiwai@suse.de> 2017-01-11 13:49:27 -0500
commit: 6cf4569ce3561dec560147e6051959d6896b23d1 (patch)
tree: 2b3dca47673824975c35a708a6d9d24ff46a2771
parent: 2e40795c3bf344cfb5220d94566205796e3ef19a (diff)
parent: 42e0ebdef53d91891939a475c6ef23970829ff99 (diff)
299 files changed, 2614 insertions, 1718 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 21e2d8863705..be7c0d9506b1 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -106,6 +106,16 @@
                        use by PCI
                        Format: <irq>,<irq>...
+        acpi_mask_gpe=  [HW,ACPI]
+                        Due to the existence of _Lxx/_Exx, some GPEs triggered
+                        by unsupported hardware/firmware features can result in
+                        GPE floodings that cannot be automatically disabled by
+                        the GPE dispatcher.
+                        This facility can be used to prevent such uncontrolled
+                        GPE floodings.
+                        Format: <int>
+                        Support masking of GPEs numbered from 0x00 to 0x7f.
        acpi_no_auto_serialize  [HW,ACPI]
                        Disable auto-serialization of AML methods
                        AML control methods that contain the opcodes to create
@@ -3811,10 +3821,11 @@
                        it if 0 is given (See Documentation/cgroup-v1/memory.txt)
        swiotlb=        [ARM,IA-64,PPC,MIPS,X86]
-                        Format: { <int> | force }
+                        Format: { <int> | force | noforce }
                        <int> -- Number of I/O TLB slabs
                        force -- force using of bounce buffers even if they
                                 wouldn't be automatically used by the kernel
+                        noforce -- Never use bounce buffers (for debugging)
        switches=       [HW,M68k]
diff --git a/Documentation/block/queue-sysfs.txt b/Documentation/block/queue-sysfs.txt
index 51642159aedb..c0a3bb5a6e4e 100644
--- a/Documentation/block/queue-sysfs.txt
+++ b/Documentation/block/queue-sysfs.txt
@@ -54,9 +54,9 @@ This is the hardware sector size of the device, in bytes.
 io_poll (RW)
 ------------
-When read, this file shows the total number of block IO polls and how
+When read, this file shows whether polling is enabled (1) or disabled
-many returned success.  Writing '0' to this file will disable polling
+(0).  Writing '0' to this file will disable polling for this device.
-for this device.  Writing any non-zero value will enable this feature.
+Writing any non-zero value will enable this feature.
 io_poll_delay (RW)
 ------------------
diff --git a/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt b/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt
index 3e5b9793341f..8682ab6d4a50 100644
--- a/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt
+++ b/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt
@@ -8,8 +8,9 @@ This driver provides a simple power button event via an Interrupt.
 Required properties:
 - compatible: should be "ti,tps65217-pwrbutton" or "ti,tps65218-pwrbutton"
-Required properties for TPS65218:
+Required properties:
 - interrupts: should be one of the following
+   - <2>: For controllers compatible with tps65217
   - <3 IRQ_TYPE_EDGE_BOTH>: For controllers compatible with tps65218
 Examples:
@@ -17,6 +18,7 @@ Examples:
 &tps {
        tps65217-pwrbutton {
                compatible = "ti,tps65217-pwrbutton";
+                interrupts = <2>;
        };
 };
diff --git a/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt b/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt
index 98d131acee95..a11072c5a866 100644
--- a/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt
+++ b/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt
@@ -2,11 +2,16 @@ TPS65217 Charger
 Required Properties:
 -compatible: "ti,tps65217-charger"
+-interrupts: TPS65217 interrupt numbers for the AC and USB charger input change.
+             Should be <0> for the USB charger and <1> for the AC adapter.
+-interrupt-names: Should be "USB" and "AC"
 This node is a subnode of the tps65217 PMIC.
 Example:
        tps65217-charger {
-                compatible = "ti,tps65090-charger";
+                compatible = "ti,tps65217-charger";
+                interrupts = <0>, <1>;
+                interrupt-names = "USB", "AC";
        };
diff --git a/Documentation/driver-api/infrastructure.rst b/Documentation/driver-api/infrastructure.rst
index 0bb0b5fc9512..6d9ff316b608 100644
--- a/Documentation/driver-api/infrastructure.rst
+++ b/Documentation/driver-api/infrastructure.rst
@@ -55,21 +55,6 @@ Device Drivers DMA Management
 .. kernel-doc:: drivers/base/dma-mapping.c
   :export:
-Device Drivers Power Management
-------------------------------
-.. kernel-doc:: drivers/base/power/main.c
-   :export:
-Device Drivers ACPI Support
---------------------------
-.. kernel-doc:: drivers/acpi/scan.c
-   :export:
-.. kernel-doc:: drivers/acpi/scan.c
-   :internal:
 Device drivers PnP support
 --------------------------
diff --git a/Documentation/networking/mpls-sysctl.txt b/Documentation/networking/mpls-sysctl.txt
index 9ed15f86c17c..15d8d16934fd 100644
--- a/Documentation/networking/mpls-sysctl.txt
+++ b/Documentation/networking/mpls-sysctl.txt
@@ -5,8 +5,8 @@ platform_labels - INTEGER
        possible to configure forwarding for label values equal to or
        greater than the number of platform labels.
-        A dense utliziation of the entries in the platform label table
+        A dense utilization of the entries in the platform label table
-        is possible and expected aas the platform labels are locally
+        is possible and expected as the platform labels are locally
        allocated.
        If the number of platform label table entries is set to 0 no
diff --git a/Documentation/vfio-mediated-device.txt b/Documentation/vfio-mediated-device.txt
index b38afec35edc..d226c7a5ba8b 100644
--- a/Documentation/vfio-mediated-device.txt
+++ b/Documentation/vfio-mediated-device.txt
@@ -127,22 +127,22 @@ the VFIO when devices are unbound from the driver.
 Physical Device Driver Interface
 --------------------------------
-The physical device driver interface provides the parent_ops[3] structure to
+The physical device driver interface provides the mdev_parent_ops[3] structure
-define the APIs to manage work in the mediated core driver that is related to
+to define the APIs to manage work in the mediated core driver that is related
-the physical device.
+to the physical device.
-The structures in the parent_ops structure are as follows:
+The structures in the mdev_parent_ops structure are as follows:
 * dev_attr_groups: attributes of the parent device
 * mdev_attr_groups: attributes of the mediated device
 * supported_config: attributes to define supported configurations
-The functions in the parent_ops structure are as follows:
+The functions in the mdev_parent_ops structure are as follows:
 * create: allocate basic resources in a driver for a mediated device
 * remove: free resources in a driver when a mediated device is destroyed
-The callbacks in the parent_ops structure are as follows:
+The callbacks in the mdev_parent_ops structure are as follows:
 * open: open callback of mediated device
 * close: close callback of mediated device
@@ -151,14 +151,14 @@ The callbacks in the parent_ops structure are as follows:
 * write: write emulation callback
 * mmap: mmap emulation callback
-A driver should use the parent_ops structure in the function call to register
+A driver should use the mdev_parent_ops structure in the function call to
-itself with the mdev core driver:
+register itself with the mdev core driver:
 extern int  mdev_register_device(struct device *dev,
-                                 const struct parent_ops *ops);
+                                 const struct mdev_parent_ops *ops);
-However, the parent_ops structure is not required in the function call that a
+However, the mdev_parent_ops structure is not required in the function call
-driver should use to unregister itself with the mdev core driver:
+that a driver should use to unregister itself with the mdev core driver:
 extern void mdev_unregister_device(struct device *dev);
@@ -223,6 +223,9 @@ Directories and files under the sysfs for Each Physical Device
        sprintf(buf, "%s-%s", dev_driver_string(parent->dev), group->name);
+  (or using mdev_parent_dev(mdev) to arrive at the parent device outside
+   of the core mdev code)
 * device_api
  This attribute should show which device API is being created, for example,
@@ -394,5 +397,5 @@ References
 [1] See Documentation/vfio.txt for more information on VFIO.
 [2] struct mdev_driver in include/linux/mdev.h
-[3] struct parent_ops in include/linux/mdev.h
+[3] struct mdev_parent_ops in include/linux/mdev.h
 [4] struct vfio_iommu_driver_ops in include/linux/vfio.h
diff --git a/MAINTAINERS b/MAINTAINERS
index cfff2c9e3d94..5f0420a0da5b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3800,6 +3800,7 @@ F:	include/linux/devcoredump.h
 DEVICE FREQUENCY (DEVFREQ)
 M:      MyungJoo Ham <myungjoo.ham@samsung.com>
 M:      Kyungmin Park <kyungmin.park@samsung.com>
+R:      Chanwoo Choi <cw00.choi@samsung.com>
 L:      linux-pm@vger.kernel.org
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git
 S:      Maintained
@@ -5080,9 +5081,11 @@ F:	drivers/net/wan/dlci.c
 F:      drivers/net/wan/sdla.c
 FRAMEBUFFER LAYER
+M:      Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
 L:      linux-fbdev@vger.kernel.org
+T:      git git://github.com/bzolnier/linux.git
 Q:      http://patchwork.kernel.org/project/linux-fbdev/list/
-S:      Orphan
+S:      Maintained
 F:      Documentation/fb/
 F:      drivers/video/
 F:      include/video/
@@ -5504,6 +5507,7 @@ M:	Alex Elder <elder@kernel.org>
 M:      Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 S:      Maintained
 F:      drivers/staging/greybus/
+L:      greybus-dev@lists.linaro.org
 GREYBUS AUDIO PROTOCOLS DRIVERS
 M:      Vaibhav Agarwal <vaibhav.sr@gmail.com>
@@ -5961,6 +5965,7 @@ F:	drivers/media/platform/sti/hva
 Hyper-V CORE AND DRIVERS
 M:      "K. Y. Srinivasan" <kys@microsoft.com>
 M:      Haiyang Zhang <haiyangz@microsoft.com>
+M:      Stephen Hemminger <sthemmin@microsoft.com>
 L:      devel@linuxdriverproject.org
 S:      Maintained
 F:      arch/x86/include/asm/mshyperv.h
@@ -8852,17 +8857,22 @@ F:	drivers/video/fbdev/nvidia/
 NVM EXPRESS DRIVER
 M:      Keith Busch <keith.busch@intel.com>
 M:      Jens Axboe <axboe@fb.com>
+M:      Christoph Hellwig <hch@lst.de>
+M:      Sagi Grimberg <sagi@grimberg.me>
 L:      linux-nvme@lists.infradead.org
-T:      git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
+T:      git://git.infradead.org/nvme.git
-W:      https://kernel.googlesource.com/pub/scm/linux/kernel/git/axboe/linux-block/
+W:      http://git.infradead.org/nvme.git
 S:      Supported
 F:      drivers/nvme/host/
 F:      include/linux/nvme.h
+F:      include/uapi/linux/nvme_ioctl.h
 NVM EXPRESS TARGET DRIVER
 M:      Christoph Hellwig <hch@lst.de>
 M:      Sagi Grimberg <sagi@grimberg.me>
 L:      linux-nvme@lists.infradead.org
+T:      git://git.infradead.org/nvme.git
+W:      http://git.infradead.org/nvme.git
 S:      Supported
 F:      drivers/nvme/target/
@@ -9842,7 +9852,7 @@ M:	Mark Rutland <mark.rutland@arm.com>
 M:      Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
 L:      linux-arm-kernel@lists.infradead.org
 S:      Maintained
-F:      drivers/firmware/psci.c
+F:      drivers/firmware/psci*.c
 F:      include/linux/psci.h
 F:      include/uapi/linux/psci.h
@@ -13527,11 +13537,11 @@ F:	arch/x86/xen/*swiotlb*
 F:      drivers/xen/*swiotlb*
 XFS FILESYSTEM
-M:      Dave Chinner <david@fromorbit.com>
+M:      Darrick J. Wong <darrick.wong@oracle.com>
 M:      linux-xfs@vger.kernel.org
 L:      linux-xfs@vger.kernel.org
 W:      http://xfs.org/
-T:      git git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git
+T:      git git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
 S:      Supported
 F:      Documentation/filesystems/xfs.txt
 F:      fs/xfs/
diff --git a/Makefile b/Makefile
index 5470d599384a..5f1a84735ff6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 4
 PATCHLEVEL = 10
 SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc3
 NAME = Roaring Lionus
 # *DOCUMENTATION*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5fab553fd03a..186c4c214e0a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1502,8 +1502,7 @@ source kernel/Kconfig.preempt
 config HZ_FIXED
        int
-        default 200 if ARCH_EBSA110 || ARCH_S3C24XX || \
+        default 200 if ARCH_EBSA110
-                ARCH_S5PV210 || ARCH_EXYNOS4
        default 128 if SOC_AT91RM9200
        default 0
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index cccdbcb557b6..7327250f0bb6 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -501,6 +501,7 @@ dtb-$(CONFIG_ARCH_OMAP3) += \
        am3517-evm.dtb \
        am3517_mt_ventoux.dtb \
        logicpd-torpedo-37xx-devkit.dtb \
+        logicpd-som-lv-37xx-devkit.dtb \
        omap3430-sdp.dtb \
        omap3-beagle.dtb \
        omap3-beagle-xm.dtb \
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index dc561d505bbe..3e32dd18fd25 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -6,8 +6,6 @@
 * published by the Free Software Foundation.
 */
-#include <dt-bindings/mfd/tps65217.h>
 / {
        cpus {
                cpu@0 {
@@ -319,13 +317,13 @@
        ti,pmic-shutdown-controller;
        charger {
-                interrupts = <TPS65217_IRQ_AC>, <TPS65217_IRQ_USB>;
+                interrupts = <0>, <1>;
-                interrupts-names = "AC", "USB";
+                interrupt-names = "USB", "AC";
                status = "okay";
        };
        pwrbutton {
-                interrupts = <TPS65217_IRQ_PB>;
+                interrupts = <2>;
                status = "okay";
        };
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 64c8aa9057a3..18d72a245e88 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -16,6 +16,7 @@
        interrupt-parent = <&intc>;
        #address-cells = <1>;
        #size-cells = <1>;
+        chosen { };
        aliases {
                i2c0 = &i2c0;
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index ac55f93fc91e..2df9e6050c2f 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -16,6 +16,7 @@
        interrupt-parent = <&wakeupgen>;
        #address-cells = <1>;
        #size-cells = <1>;
+        chosen { };
        memory@0 {
                device_type = "memory";
diff --git a/arch/arm/boot/dts/am571x-idk.dts b/arch/arm/boot/dts/am571x-idk.dts
index d6e43e5184c1..ad68d1eb3bc3 100644
--- a/arch/arm/boot/dts/am571x-idk.dts
+++ b/arch/arm/boot/dts/am571x-idk.dts
@@ -62,11 +62,6 @@
                        linux,default-trigger = "mmc0";
                };
        };
-        extcon_usb2: extcon_usb2 {
-             compatible = "linux,extcon-usb-gpio";
-             id-gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
-        };
 };
 &mmc1 {
@@ -79,3 +74,8 @@
 &omap_dwc3_2 {
        extcon = <&extcon_usb2>;
 };
+&extcon_usb2 {
+        id-gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
+        vbus-gpio = <&gpio7 22 GPIO_ACTIVE_HIGH>;
+};
diff --git a/arch/arm/boot/dts/am572x-idk.dts b/arch/arm/boot/dts/am572x-idk.dts
index 27d9149cedba..8350b4b34b08 100644
--- a/arch/arm/boot/dts/am572x-idk.dts
+++ b/arch/arm/boot/dts/am572x-idk.dts
@@ -23,11 +23,6 @@
                reg = <0x0 0x80000000 0x0 0x80000000>;
        };
-        extcon_usb2: extcon_usb2 {
-                compatible = "linux,extcon-usb-gpio";
-                id-gpio = <&gpio3 16 GPIO_ACTIVE_HIGH>;
-        };
        status-leds {
                compatible = "gpio-leds";
                cpu0-led {
@@ -76,6 +71,11 @@
        extcon = <&extcon_usb2>;
 };
+&extcon_usb2 {
+        id-gpio = <&gpio3 16 GPIO_ACTIVE_HIGH>;
+        vbus-gpio = <&gpio3 26 GPIO_ACTIVE_HIGH>;
+};
 &mmc1 {
        status = "okay";
        vmmc-supply = <&v3_3d>;
@@ -87,3 +87,7 @@
 &sn65hvs882 {
        load-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
 };
+&pcie1 {
+        gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
+};
diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi
index 555ae21f2b9a..814a720d5c3d 100644
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -303,6 +303,13 @@
                        gpio-controller;
                        #gpio-cells = <2>;
                };
+                extcon_usb2: tps659038_usb {
+                        compatible = "ti,palmas-usb-vid";
+                        ti,enable-vbus-detection;
+                        ti,enable-id-detection;
+                        /* ID & VBUS GPIOs provided in board dts */
+                };
        };
 };
@@ -369,7 +376,7 @@
 };
 &usb2 {
-        dr_mode = "otg";
+        dr_mode = "peripheral";
 };
 &mmc2 {
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index 1facc5f12cef..81b8cecb5820 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -12,6 +12,7 @@
        interrupt-parent = <&intc>;
        #address-cells = <1>;
        #size-cells = <1>;
+        chosen { };
        aliases {
                i2c0 = &i2c1;
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index 61dd2f6b02bc..6db652ae9bd5 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -12,6 +12,7 @@
        interrupt-parent = <&intc>;
        #address-cells = <1>;
        #size-cells = <1>;
+        chosen { };
        aliases {
                i2c0 = &i2c1;
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index addb7530cfbe..1faf24acd521 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -18,6 +18,7 @@
        compatible = "ti,dra7xx";
        interrupt-parent = <&crossbar_mpu>;
+        chosen { };
        aliases {
                i2c0 = &i2c1;
diff --git a/arch/arm/boot/dts/dra72-evm-tps65917.dtsi b/arch/arm/boot/dts/dra72-evm-tps65917.dtsi
index ee6dac44edf1..e6df676886c0 100644
--- a/arch/arm/boot/dts/dra72-evm-tps65917.dtsi
+++ b/arch/arm/boot/dts/dra72-evm-tps65917.dtsi
@@ -132,3 +132,19 @@
                ti,palmas-long-press-seconds = <6>;
        };
 };
+&usb2_phy1 {
+        phy-supply = <&ldo4_reg>;
+};
+&usb2_phy2 {
+        phy-supply = <&ldo4_reg>;
+};
+&dss {
+        vdda_video-supply = <&ldo5_reg>;
+};
+&mmc1 {
+        vmmc_aux-supply = <&ldo1_reg>;
+};
diff --git a/arch/arm/boot/dts/imx31.dtsi b/arch/arm/boot/dts/imx31.dtsi
index 685916e3d8a1..85cd8be22f71 100644
--- a/arch/arm/boot/dts/imx31.dtsi
+++ b/arch/arm/boot/dts/imx31.dtsi
@@ -31,11 +31,11 @@
                };
        };
-        avic: avic-interrupt-controller@60000000 {
+        avic: interrupt-controller@68000000 {
                compatible = "fsl,imx31-avic", "fsl,avic";
                interrupt-controller;
                #interrupt-cells = <1>;
-                reg = <0x60000000 0x100000>;
+                reg = <0x68000000 0x100000>;
        };
        soc {
diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
index e476d01959ea..26d060484728 100644
--- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
@@ -533,7 +533,6 @@
                                MX6QDL_PAD_SD2_DAT1__SD2_DATA1          0x17071
                                MX6QDL_PAD_SD2_DAT2__SD2_DATA2          0x17071
                                MX6QDL_PAD_SD2_DAT3__SD2_DATA3          0x17071
-                                MX6QDL_PAD_NANDF_CS2__GPIO6_IO15        0x000b0
                        >;
                };
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 53e6e63cbb02..89b834f3fa17 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -1100,6 +1100,7 @@
                                interrupts = <0 14 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&clks IMX6QDL_CLK_EIM_SLOW>;
                                fsl,weim-cs-gpr = <&gpr>;
+                                status = "disabled";
                        };
                        ocotp: ocotp@021bc000 {
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 4fd6de29f07d..19cbd879c448 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -900,6 +900,7 @@
                                reg = <0x021b8000 0x4000>;
                                interrupts = <0 14 IRQ_TYPE_LEVEL_HIGH>;
                                fsl,weim-cs-gpr = <&gpr>;
+                                status = "disabled";
                        };
                        ocotp: ocotp@021bc000 {
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index 076a30f9bcae..10f333016197 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -977,6 +977,7 @@
                                interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&clks IMX6SX_CLK_EIM_SLOW>;
                                fsl,weim-cs-gpr = <&gpr>;
+                                status = "disabled";
                        };
                        ocotp: ocotp@021bc000 {
diff --git a/arch/arm/boot/dts/omap2.dtsi b/arch/arm/boot/dts/omap2.dtsi
index 4f793a025a72..f1d6de8b3c19 100644
--- a/arch/arm/boot/dts/omap2.dtsi
+++ b/arch/arm/boot/dts/omap2.dtsi
@@ -17,6 +17,7 @@
        interrupt-parent = <&intc>;
        #address-cells = <1>;
        #size-cells = <1>;
+        chosen { };
        aliases {
                serial0 = &uart1;
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 87ca50b53002..4d448f145ed1 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -734,6 +734,8 @@
        vmmc_aux-supply = <&vsim>;
        bus-width = <8>;
        non-removable;
+        no-sdio;
+        no-sd;
 };
 &mmc3 {
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index ecf5eb584c75..a3ff4933dbc1 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -17,6 +17,7 @@
        interrupt-parent = <&intc>;
        #address-cells = <1>;
        #size-cells = <1>;
+        chosen { };
        aliases {
                i2c0 = &i2c1;
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 8087456b5fbe..578c53f08309 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -15,6 +15,7 @@
        interrupt-parent = <&wakeupgen>;
        #address-cells = <1>;
        #size-cells = <1>;
+        chosen { };
        aliases {
                i2c0 = &i2c1;
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 968c67a49dbd..7cd92babc41a 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -17,6 +17,7 @@
        compatible = "ti,omap5";
        interrupt-parent = <&wakeupgen>;
+        chosen { };
        aliases {
                i2c0 = &i2c1;
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 268bd470c865..407a4610f4a7 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -4,6 +4,7 @@
 #include <dt-bindings/clock/qcom,gcc-msm8960.h>
 #include <dt-bindings/reset/qcom,gcc-msm8960.h>
 #include <dt-bindings/clock/qcom,mmcc-msm8960.h>
+#include <dt-bindings/clock/qcom,rpmcc.h>
 #include <dt-bindings/soc/qcom,gsbi.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -303,6 +304,9 @@
        firmware {
                scm {
                        compatible = "qcom,scm-apq8064";
+                        clocks = <&rpmcc RPM_DAYTONA_FABRIC_CLK>;
+                        clock-names = "core";
                };
        };
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
index 102838fcc588..15f4fd3f4695 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
@@ -81,7 +81,7 @@
                #address-cells = <0>;
                interrupt-controller;
                reg = <0 0x2c001000 0 0x1000>,
-                      <0 0x2c002000 0 0x1000>,
+                      <0 0x2c002000 0 0x2000>,
                      <0 0x2c004000 0 0x2000>,
                      <0 0x2c006000 0 0x2000>;
                interrupts = <1 9 0xf04>;
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
index 45d08cc37b01..bd107c5a0226 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
@@ -131,7 +131,7 @@
                #address-cells = <0>;
                interrupt-controller;
                reg = <0 0x2c001000 0 0x1000>,
-                      <0 0x2c002000 0 0x1000>,
+                      <0 0x2c002000 0 0x2000>,
                      <0 0x2c004000 0 0x2000>,
                      <0 0x2c006000 0 0x2000>;
                interrupts = <1 9 0xf04>;
diff --git a/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts b/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts
index 7ea617e47fe4..958b4c42d320 100644
--- a/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts
+++ b/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts
@@ -153,7 +153,8 @@
                                        switch0phy1: switch1phy0@1 {
                                                reg = <1>;
                                                interrupt-parent = <&switch0>;
-                                                interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;                                   };
+                                                interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
+                                        };
                                        switch0phy2: switch1phy0@2 {
                                                reg = <2>;
                                                interrupt-parent = <&switch0>;
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index df42c93a93d6..f5dce9b4e617 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -31,10 +31,10 @@ static LIST_HEAD(clocks);
 static DEFINE_MUTEX(clocks_mutex);
 static DEFINE_SPINLOCK(clockfw_lock);
-static void __clk_enable(struct clk *clk)
+void davinci_clk_enable(struct clk *clk)
 {
        if (clk->parent)
-                __clk_enable(clk->parent);
+                davinci_clk_enable(clk->parent);
        if (clk->usecount++ == 0) {
                if (clk->flags & CLK_PSC)
                        davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc,
@@ -44,7 +44,7 @@ static void __clk_enable(struct clk *clk)
        }
 }
-static void __clk_disable(struct clk *clk)
+void davinci_clk_disable(struct clk *clk)
 {
        if (WARN_ON(clk->usecount == 0))
                return;
@@ -56,7 +56,7 @@ static void __clk_disable(struct clk *clk)
                        clk->clk_disable(clk);
        }
        if (clk->parent)
-                __clk_disable(clk->parent);
+                davinci_clk_disable(clk->parent);
 }
 int davinci_clk_reset(struct clk *clk, bool reset)
@@ -103,7 +103,7 @@ int clk_enable(struct clk *clk)
                return -EINVAL;
        spin_lock_irqsave(&clockfw_lock, flags);
-        __clk_enable(clk);
+        davinci_clk_enable(clk);
        spin_unlock_irqrestore(&clockfw_lock, flags);
        return 0;
@@ -118,7 +118,7 @@ void clk_disable(struct clk *clk)
                return;
        spin_lock_irqsave(&clockfw_lock, flags);
-        __clk_disable(clk);
+        davinci_clk_disable(clk);
        spin_unlock_irqrestore(&clockfw_lock, flags);
 }
 EXPORT_SYMBOL(clk_disable);
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index e2a5437a1aee..fa2b83752e03 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -132,6 +132,8 @@ int davinci_set_sysclk_rate(struct clk *clk, unsigned long rate);
 int davinci_set_refclk_rate(unsigned long rate);
 int davinci_simple_set_rate(struct clk *clk, unsigned long rate);
 int davinci_clk_reset(struct clk *clk, bool reset);
+void davinci_clk_enable(struct clk *clk);
+void davinci_clk_disable(struct clk *clk);
 extern struct platform_device davinci_wdt_device;
 extern void davinci_watchdog_reset(struct platform_device *);
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index e770c97ea45c..1d873d15b545 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -319,6 +319,16 @@ static struct clk emac_clk = {
        .gpsc           = 1,
 };
+/*
+ * In order to avoid adding the emac_clk to the clock lookup table twice (and
+ * screwing up the linked list in the process) create a separate clock for
+ * mdio inheriting the rate from emac_clk.
+ */
+static struct clk mdio_clk = {
+        .name           = "mdio",
+        .parent         = &emac_clk,
+};
 static struct clk mcasp_clk = {
        .name           = "mcasp",
        .parent         = &async3_clk,
@@ -367,6 +377,16 @@ static struct clk aemif_clk = {
        .flags          = ALWAYS_ENABLED,
 };
+/*
+ * In order to avoid adding the aemif_clk to the clock lookup table twice (and
+ * screwing up the linked list in the process) create a separate clock for
+ * nand inheriting the rate from aemif_clk.
+ */
+static struct clk aemif_nand_clk = {
+        .name           = "nand",
+        .parent         = &aemif_clk,
+};
 static struct clk usb11_clk = {
        .name           = "usb11",
        .parent         = &pll0_sysclk4,
@@ -529,7 +549,7 @@ static struct clk_lookup da850_clks[] = {
        CLK(NULL,               "arm",          &arm_clk),
        CLK(NULL,               "rmii",         &rmii_clk),
        CLK("davinci_emac.1",   NULL,           &emac_clk),
-        CLK("davinci_mdio.0",   "fck",          &emac_clk),
+        CLK("davinci_mdio.0",   "fck",          &mdio_clk),
        CLK("davinci-mcasp.0",  NULL,           &mcasp_clk),
        CLK("davinci-mcbsp.0",  NULL,           &mcbsp0_clk),
        CLK("davinci-mcbsp.1",  NULL,           &mcbsp1_clk),
@@ -537,7 +557,15 @@ static struct clk_lookup da850_clks[] = {
        CLK("da830-mmc.0",      NULL,           &mmcsd0_clk),
        CLK("da830-mmc.1",      NULL,           &mmcsd1_clk),
        CLK("ti-aemif",         NULL,           &aemif_clk),
-        CLK(NULL,               "aemif",        &aemif_clk),
+        /*
+         * The only user of this clock is davinci_nand and it get's it through
+         * con_id. The nand node itself is created from within the aemif
+         * driver to guarantee that it's probed after the aemif timing
+         * parameters are configured. of_dev_auxdata is not accessible from
+         * the aemif driver and can't be passed to of_platform_populate(). For
+         * that reason we're leaving the dev_id here as NULL.
+         */
+        CLK(NULL,               "aemif",        &aemif_nand_clk),
        CLK("ohci-da8xx",       "usb11",        &usb11_clk),
        CLK("musb-da8xx",       "usb20",        &usb20_clk),
        CLK("spi_davinci.0",    NULL,           &spi0_clk),
diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c
index c6feecf7ae24..9a6af0bd5dc3 100644
--- a/arch/arm/mach-davinci/usb-da8xx.c
+++ b/arch/arm/mach-davinci/usb-da8xx.c
@@ -22,6 +22,8 @@
 #define DA8XX_USB0_BASE         0x01e00000
 #define DA8XX_USB1_BASE         0x01e25000
+static struct clk *usb20_clk;
 static struct platform_device da8xx_usb_phy = {
        .name           = "da8xx-usb-phy",
        .id             = -1,
@@ -158,26 +160,13 @@ int __init da8xx_register_usb_refclkin(int rate)
 static void usb20_phy_clk_enable(struct clk *clk)
 {
-        struct clk *usb20_clk;
-        int err;
        u32 val;
        u32 timeout = 500000; /* 500 msec */
        val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
-        usb20_clk = clk_get(&da8xx_usb20_dev.dev, "usb20");
-        if (IS_ERR(usb20_clk)) {
-                pr_err("could not get usb20 clk: %ld\n", PTR_ERR(usb20_clk));
-                return;
-        }
        /* The USB 2.O PLL requires that the USB 2.O PSC is enabled as well. */
-        err = clk_prepare_enable(usb20_clk);
+        davinci_clk_enable(usb20_clk);
-        if (err) {
-                pr_err("failed to enable usb20 clk: %d\n", err);
-                clk_put(usb20_clk);
-                return;
-        }
        /*
         * Turn on the USB 2.0 PHY, but just the PLL, and not OTG. The USB 1.1
@@ -197,8 +186,7 @@ static void usb20_phy_clk_enable(struct clk *clk)
        pr_err("Timeout waiting for USB 2.0 PHY clock good\n");
 done:
-        clk_disable_unprepare(usb20_clk);
+        davinci_clk_disable(usb20_clk);
-        clk_put(usb20_clk);
 }
 static void usb20_phy_clk_disable(struct clk *clk)
@@ -285,11 +273,19 @@ static struct clk_lookup usb20_phy_clk_lookup =
 int __init da8xx_register_usb20_phy_clk(bool use_usb_refclkin)
 {
        struct clk *parent;
-        int ret = 0;
+        int ret;
+        usb20_clk = clk_get(&da8xx_usb20_dev.dev, "usb20");
+        ret = PTR_ERR_OR_ZERO(usb20_clk);
+        if (ret)
+                return ret;
        parent = clk_get(NULL, use_usb_refclkin ? "usb_refclkin" : "pll0_aux");
-        if (IS_ERR(parent))
+        ret = PTR_ERR_OR_ZERO(parent);
-                return PTR_ERR(parent);
+        if (ret) {
+                clk_put(usb20_clk);
+                return ret;
+        }
        usb20_phy_clk.parent = parent;
        ret = clk_register(&usb20_phy_clk);
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 98ffe1e62ad5..a5d68411a037 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -385,36 +385,6 @@ fail:
        return pen_release != -1 ? ret : 0;
 }
-/*
- * Initialise the CPU possible map early - this describes the CPUs
- * which may be present or become present in the system.
- */
-static void __init exynos_smp_init_cpus(void)
-{
-        void __iomem *scu_base = scu_base_addr();
-        unsigned int i, ncores;
-        if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9)
-                ncores = scu_base ? scu_get_core_count(scu_base) : 1;
-        else
-                /*
-                 * CPU Nodes are passed thru DT and set_cpu_possible
-                 * is set by "arm_dt_init_cpu_maps".
-                 */
-                return;
-        /* sanity check */
-        if (ncores > nr_cpu_ids) {
-                pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
-                        ncores, nr_cpu_ids);
-                ncores = nr_cpu_ids;
-        }
-        for (i = 0; i < ncores; i++)
-                set_cpu_possible(i, true);
-}
 static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
 {
        int i;
@@ -479,7 +449,6 @@ static void exynos_cpu_die(unsigned int cpu)
 #endif /* CONFIG_HOTPLUG_CPU */
 const struct smp_operations exynos_smp_ops __initconst = {
-        .smp_init_cpus          = exynos_smp_init_cpus,
        .smp_prepare_cpus       = exynos_smp_prepare_cpus,
        .smp_secondary_init     = exynos_secondary_init,
        .smp_boot_secondary     = exynos_boot_secondary,
diff --git a/arch/arm/mach-imx/mach-imx1.c b/arch/arm/mach-imx/mach-imx1.c
index de5ab8d88549..3a8406e45b65 100644
--- a/arch/arm/mach-imx/mach-imx1.c
+++ b/arch/arm/mach-imx/mach-imx1.c
@@ -37,7 +37,6 @@ static const char * const imx1_dt_board_compat[] __initconst = {
 };
 DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)")
-        .map_io         = debug_ll_io_init,
        .init_early     = imx1_init_early,
        .init_irq       = imx1_init_irq,
        .dt_compat      = imx1_dt_board_compat,
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 469894082fea..093458b62c8d 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -7,7 +7,7 @@ ccflags-y := -I$(srctree)/$(src)/include \
 # Common support
 obj-y := id.o io.o control.o devices.o fb.o timer.o pm.o \
-         common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
+         common.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
         omap_device.o omap-headsmp.o sram.o drm.o
 hwmod-common                            = omap_hwmod.o omap_hwmod_reset.o \
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 36d9943205ca..dc9e34e670a2 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -304,7 +304,7 @@ DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
        .init_late      = am43xx_init_late,
        .init_irq       = omap_gic_of_init,
        .init_machine   = omap_generic_init,
-        .init_time      = omap4_local_timer_init,
+        .init_time      = omap3_gptimer_timer_init,
        .dt_compat      = am43_boards_compat,
        .restart        = omap44xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c
deleted file mode 100644
index 7a577145b68b..000000000000
--- a/arch/arm/mach-omap2/gpio.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * OMAP2+ specific gpio initialization
- *
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
- *
- * Author:
- *      Charulatha V <charu@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-#include <linux/gpio.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/of.h>
-#include <linux/platform_data/gpio-omap.h>
-#include "soc.h"
-#include "omap_hwmod.h"
-#include "omap_device.h"
-#include "omap-pm.h"
-#include "powerdomain.h"
-static int __init omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
-{
-        struct platform_device *pdev;
-        struct omap_gpio_platform_data *pdata;
-        struct omap_gpio_dev_attr *dev_attr;
-        char *name = "omap_gpio";
-        int id;
-        struct powerdomain *pwrdm;
-        /*
-         * extract the device id from name field available in the
-         * hwmod database and use the same for constructing ids for
-         * gpio devices.
-         * CAUTION: Make sure the name in the hwmod database does
-         * not change. If changed, make corresponding change here
-         * or make use of static variable mechanism to handle this.
-         */
-        sscanf(oh->name, "gpio%d", &id);
-        pdata = kzalloc(sizeof(struct omap_gpio_platform_data), GFP_KERNEL);
-        if (!pdata) {
-                pr_err("gpio%d: Memory allocation failed\n", id);
-                return -ENOMEM;
-        }
-        dev_attr = (struct omap_gpio_dev_attr *)oh->dev_attr;
-        pdata->bank_width = dev_attr->bank_width;
-        pdata->dbck_flag = dev_attr->dbck_flag;
-        pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count;
-        pdata->regs = kzalloc(sizeof(struct omap_gpio_reg_offs), GFP_KERNEL);
-        if (!pdata->regs) {
-                pr_err("gpio%d: Memory allocation failed\n", id);
-                kfree(pdata);
-                return -ENOMEM;
-        }
-        switch (oh->class->rev) {
-        case 0:
-                if (id == 1)
-                        /* non-wakeup GPIO pins for OMAP2 Bank1 */
-                        pdata->non_wakeup_gpios = 0xe203ffc0;
-                else if (id == 2)
-                        /* non-wakeup GPIO pins for OMAP2 Bank2 */
-                        pdata->non_wakeup_gpios = 0x08700040;
-                /* fall through */
-        case 1:
-                pdata->regs->revision = OMAP24XX_GPIO_REVISION;
-                pdata->regs->direction = OMAP24XX_GPIO_OE;
-                pdata->regs->datain = OMAP24XX_GPIO_DATAIN;
-                pdata->regs->dataout = OMAP24XX_GPIO_DATAOUT;
-                pdata->regs->set_dataout = OMAP24XX_GPIO_SETDATAOUT;
-                pdata->regs->clr_dataout = OMAP24XX_GPIO_CLEARDATAOUT;
-                pdata->regs->irqstatus = OMAP24XX_GPIO_IRQSTATUS1;
-                pdata->regs->irqstatus2 = OMAP24XX_GPIO_IRQSTATUS2;
-                pdata->regs->irqenable = OMAP24XX_GPIO_IRQENABLE1;
-                pdata->regs->irqenable2 = OMAP24XX_GPIO_IRQENABLE2;
-                pdata->regs->set_irqenable = OMAP24XX_GPIO_SETIRQENABLE1;
-                pdata->regs->clr_irqenable = OMAP24XX_GPIO_CLEARIRQENABLE1;
-                pdata->regs->debounce = OMAP24XX_GPIO_DEBOUNCE_VAL;
-                pdata->regs->debounce_en = OMAP24XX_GPIO_DEBOUNCE_EN;
-                pdata->regs->ctrl = OMAP24XX_GPIO_CTRL;
-                pdata->regs->wkup_en = OMAP24XX_GPIO_WAKE_EN;
-                pdata->regs->leveldetect0 = OMAP24XX_GPIO_LEVELDETECT0;
-                pdata->regs->leveldetect1 = OMAP24XX_GPIO_LEVELDETECT1;
-                pdata->regs->risingdetect = OMAP24XX_GPIO_RISINGDETECT;
-                pdata->regs->fallingdetect = OMAP24XX_GPIO_FALLINGDETECT;
-                break;
-        case 2:
-                pdata->regs->revision = OMAP4_GPIO_REVISION;
-                pdata->regs->direction = OMAP4_GPIO_OE;
-                pdata->regs->datain = OMAP4_GPIO_DATAIN;
-                pdata->regs->dataout = OMAP4_GPIO_DATAOUT;
-                pdata->regs->set_dataout = OMAP4_GPIO_SETDATAOUT;
-                pdata->regs->clr_dataout = OMAP4_GPIO_CLEARDATAOUT;
-                pdata->regs->irqstatus_raw0 = OMAP4_GPIO_IRQSTATUSRAW0;
-                pdata->regs->irqstatus_raw1 = OMAP4_GPIO_IRQSTATUSRAW1;
-                pdata->regs->irqstatus = OMAP4_GPIO_IRQSTATUS0;
-                pdata->regs->irqstatus2 = OMAP4_GPIO_IRQSTATUS1;
-                pdata->regs->irqenable = OMAP4_GPIO_IRQSTATUSSET0;
-                pdata->regs->irqenable2 = OMAP4_GPIO_IRQSTATUSSET1;
-                pdata->regs->set_irqenable = OMAP4_GPIO_IRQSTATUSSET0;
-                pdata->regs->clr_irqenable = OMAP4_GPIO_IRQSTATUSCLR0;
-                pdata->regs->debounce = OMAP4_GPIO_DEBOUNCINGTIME;
-                pdata->regs->debounce_en = OMAP4_GPIO_DEBOUNCENABLE;
-                pdata->regs->ctrl = OMAP4_GPIO_CTRL;
-                pdata->regs->wkup_en = OMAP4_GPIO_IRQWAKEN0;
-                pdata->regs->leveldetect0 = OMAP4_GPIO_LEVELDETECT0;
-                pdata->regs->leveldetect1 = OMAP4_GPIO_LEVELDETECT1;
-                pdata->regs->risingdetect = OMAP4_GPIO_RISINGDETECT;
-                pdata->regs->fallingdetect = OMAP4_GPIO_FALLINGDETECT;
-                break;
-        default:
-                WARN(1, "Invalid gpio bank_type\n");
-                kfree(pdata->regs);
-                kfree(pdata);
-                return -EINVAL;
-        }
-        pwrdm = omap_hwmod_get_pwrdm(oh);
-        pdata->loses_context = pwrdm_can_ever_lose_context(pwrdm);
-        pdev = omap_device_build(name, id - 1, oh, pdata, sizeof(*pdata));
-        kfree(pdata);
-        if (IS_ERR(pdev)) {
-                WARN(1, "Can't build omap_device for %s:%s.\n",
-                                        name, oh->name);
-                return PTR_ERR(pdev);
-        }
-        return 0;
-}
-/*
- * gpio_init needs to be done before
- * machine_init functions access gpio APIs.
- * Hence gpio_init is a omap_postcore_initcall.
- */
-static int __init omap2_gpio_init(void)
-{
-        /* If dtb is there, the devices will be created dynamically */
-        if (of_have_populated_dt())
-                return -ENODEV;
-        return omap_hwmod_for_each_by_class("gpio", omap2_gpio_dev_init, NULL);
-}
-omap_postcore_initcall(omap2_gpio_init);
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 759e1d45ba25..e8b988714a09 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -741,14 +741,14 @@ static int _init_main_clk(struct omap_hwmod *oh)
        int ret = 0;
        char name[MOD_CLK_MAX_NAME_LEN];
        struct clk *clk;
+        static const char modck[] = "_mod_ck";
-        /* +7 magic comes from '_mod_ck' suffix */
+        if (strlen(oh->name) >= MOD_CLK_MAX_NAME_LEN - strlen(modck))
-        if (strlen(oh->name) + 7 > MOD_CLK_MAX_NAME_LEN)
                pr_warn("%s: warning: cropping name for %s\n", __func__,
                        oh->name);
-        strncpy(name, oh->name, MOD_CLK_MAX_NAME_LEN - 7);
+        strlcpy(name, oh->name, MOD_CLK_MAX_NAME_LEN - strlen(modck));
-        strcat(name, "_mod_ck");
+        strlcat(name, modck, MOD_CLK_MAX_NAME_LEN);
        clk = clk_get(NULL, name);
        if (!IS_ERR(clk)) {
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h
index cdfbb44ceb0c..f22e9cb39f4a 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.h
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h
@@ -121,10 +121,6 @@ extern struct omap_hwmod_irq_info omap2_uart3_mpu_irqs[];
 extern struct omap_hwmod_irq_info omap2_dispc_irqs[];
 extern struct omap_hwmod_irq_info omap2_i2c1_mpu_irqs[];
 extern struct omap_hwmod_irq_info omap2_i2c2_mpu_irqs[];
-extern struct omap_hwmod_irq_info omap2_gpio1_irqs[];
-extern struct omap_hwmod_irq_info omap2_gpio2_irqs[];
-extern struct omap_hwmod_irq_info omap2_gpio3_irqs[];
-extern struct omap_hwmod_irq_info omap2_gpio4_irqs[];
 extern struct omap_hwmod_irq_info omap2_dma_system_irqs[];
 extern struct omap_hwmod_irq_info omap2_mcspi1_mpu_irqs[];
 extern struct omap_hwmod_irq_info omap2_mcspi2_mpu_irqs[];
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 5b2f5138d938..2b138b65129a 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -295,10 +295,8 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
                GFP_KERNEL);
        if (!prcm_irq_chips || !prcm_irq_setup->saved_mask ||
-            !prcm_irq_setup->priority_mask) {
+            !prcm_irq_setup->priority_mask)
-                pr_err("PRCM: kzalloc failed\n");
                goto err;
-        }
        memset(mask, 0, sizeof(mask));
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 56128da23c3a..07dd692c4737 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -510,18 +510,19 @@ void __init omap3_secure_sync32k_timer_init(void)
 }
 #endif /* CONFIG_ARCH_OMAP3 */
-#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM33XX)
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM33XX) || \
+        defined(CONFIG_SOC_AM43XX)
 void __init omap3_gptimer_timer_init(void)
 {
        __omap_sync32k_timer_init(2, "timer_sys_ck", NULL,
                        1, "timer_sys_ck", "ti,timer-alwon", true);
+        if (of_have_populated_dt())
-        clocksource_probe();
+                clocksource_probe();
 }
 #endif
 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) ||          \
-        defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX)
+        defined(CONFIG_SOC_DRA7XX)
 static void __init omap4_sync32k_timer_init(void)
 {
        __omap_sync32k_timer_init(1, "timer_32k_ck", "ti,timer-alwon",
diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c
index f6c3f151d0d4..b59f4f4f256f 100644
--- a/arch/arm/mach-s3c24xx/common.c
+++ b/arch/arm/mach-s3c24xx/common.c
@@ -345,10 +345,40 @@ static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = {
        [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
 };
+static const struct dma_slave_map s3c2410_dma_slave_map[] = {
+        { "s3c2410-sdi", "rx-tx", (void *)DMACH_SDI },
+        { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0_RX },
+        { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0_TX },
+        { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1_RX },
+        { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1_TX },
+        /*
+         * The DMA request source[1] (DMACH_UARTx_SRC2) are
+         * not used in the UART driver.
+         */
+        { "s3c2410-uart.0", "rx", (void *)DMACH_UART0 },
+        { "s3c2410-uart.0", "tx", (void *)DMACH_UART0 },
+        { "s3c2410-uart.1", "rx", (void *)DMACH_UART1 },
+        { "s3c2410-uart.1", "tx", (void *)DMACH_UART1 },
+        { "s3c2410-uart.2", "rx", (void *)DMACH_UART2 },
+        { "s3c2410-uart.2", "tx", (void *)DMACH_UART2 },
+        { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
+        { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
+        { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
+        { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
+        { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
+        { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
+        { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
+        { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
+        { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
+        { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
+};
 static struct s3c24xx_dma_platdata s3c2410_dma_platdata = {
        .num_phy_channels = 4,
        .channels = s3c2410_dma_channels,
        .num_channels = DMACH_MAX,
+        .slave_map = s3c2410_dma_slave_map,
+        .slavecnt = ARRAY_SIZE(s3c2410_dma_slave_map),
 };
 struct platform_device s3c2410_device_dma = {
@@ -388,10 +418,36 @@ static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
        [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
 };
+static const struct dma_slave_map s3c2412_dma_slave_map[] = {
+        { "s3c2412-sdi", "rx-tx", (void *)DMACH_SDI },
+        { "s3c2412-spi.0", "rx", (void *)DMACH_SPI0_RX },
+        { "s3c2412-spi.0", "tx", (void *)DMACH_SPI0_TX },
+        { "s3c2412-spi.1", "rx", (void *)DMACH_SPI1_RX },
+        { "s3c2412-spi.1", "tx", (void *)DMACH_SPI1_TX },
+        { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
+        { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
+        { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
+        { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
+        { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
+        { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
+        { "s3c2412-iis", "rx", (void *)DMACH_I2S_IN },
+        { "s3c2412-iis", "tx", (void *)DMACH_I2S_OUT },
+        { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
+        { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
+        { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
+        { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
+        { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
+        { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
+        { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
+        { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
+};
 static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
        .num_phy_channels = 4,
        .channels = s3c2412_dma_channels,
        .num_channels = DMACH_MAX,
+        .slave_map = s3c2412_dma_slave_map,
+        .slavecnt = ARRAY_SIZE(s3c2412_dma_slave_map),
 };
 struct platform_device s3c2412_device_dma = {
@@ -534,10 +590,30 @@ static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
        [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
 };
+static const struct dma_slave_map s3c2443_dma_slave_map[] = {
+        { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI },
+        { "s3c2443-spi.0", "rx", (void *)DMACH_SPI0_RX },
+        { "s3c2443-spi.0", "tx", (void *)DMACH_SPI0_TX },
+        { "s3c2443-spi.1", "rx", (void *)DMACH_SPI1_RX },
+        { "s3c2443-spi.1", "tx", (void *)DMACH_SPI1_TX },
+        { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
+        { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
+        { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
+        { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
+        { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
+        { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
+        { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 },
+        { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 },
+        { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
+        { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
+};
 static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
        .num_phy_channels = 6,
        .channels = s3c2443_dma_channels,
        .num_channels = DMACH_MAX,
+        .slave_map = s3c2443_dma_slave_map,
+        .slavecnt = ARRAY_SIZE(s3c2443_dma_slave_map),
 };
 struct platform_device s3c2443_device_dma = {
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index fc033c0d2a0f..eada0b58ba1c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -356,5 +356,21 @@
                                status = "disabled";
                        };
                };
+                vpu: vpu@d0100000 {
+                        compatible = "amlogic,meson-gx-vpu";
+                        reg = <0x0 0xd0100000 0x0 0x100000>,
+                              <0x0 0xc883c000 0x0 0x1000>,
+                              <0x0 0xc8838000 0x0 0x1000>;
+                        reg-names = "vpu", "hhi", "dmc";
+                        interrupts = <GIC_SPI 3 IRQ_TYPE_EDGE_RISING>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        /* CVBS VDAC output port */
+                        cvbs_vdac_port: port@0 {
+                                reg = <0>;
+                        };
+                };
        };
 };
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
index 969682092e0f..4cbd626a9e88 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
@@ -142,6 +142,16 @@
                clocks = <&wifi32k>;
                clock-names = "ext_clock";
        };
+        cvbs-connector {
+                compatible = "composite-video-connector";
+                port {
+                        cvbs_connector_in: endpoint {
+                                remote-endpoint = <&cvbs_vdac_out>;
+                        };
+                };
+        };
 };
 &uart_AO {
@@ -229,3 +239,9 @@
        clocks = <&clkc CLKID_FCLK_DIV4>;
        clock-names = "clkin0";
 };
+&cvbs_vdac_port {
+        cvbs_vdac_out: endpoint {
+                remote-endpoint = <&cvbs_connector_in>;
+        };
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
index 203be28978d5..4a96e0f6f926 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
@@ -125,6 +125,16 @@
                clocks = <&wifi32k>;
                clock-names = "ext_clock";
        };
+        cvbs-connector {
+                compatible = "composite-video-connector";
+                port {
+                        cvbs_connector_in: endpoint {
+                                remote-endpoint = <&cvbs_vdac_out>;
+                        };
+                };
+        };
 };
 /* This UART is brought out to the DB9 connector */
@@ -234,3 +244,9 @@
        clocks = <&clkc CLKID_FCLK_DIV4>;
        clock-names = "clkin0";
 };
+&cvbs_vdac_port {
+        cvbs_vdac_out: endpoint {
+                remote-endpoint = <&cvbs_connector_in>;
+        };
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 51edd5b5c460..596240c38a9c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -506,3 +506,7 @@
                 <&clkc CLKID_FCLK_DIV2>;
        clock-names = "core", "clkin0", "clkin1";
 };
+&vpu {
+        compatible = "amlogic,meson-gxbb-vpu", "amlogic,meson-gx-vpu";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-nexbox-a95x.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-nexbox-a95x.dts
index e99101ae9664..cea4a3eded9b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-nexbox-a95x.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-nexbox-a95x.dts
@@ -117,6 +117,16 @@
                clocks = <&wifi32k>;
                clock-names = "ext_clock";
        };
+        cvbs-connector {
+                compatible = "composite-video-connector";
+                port {
+                        cvbs_connector_in: endpoint {
+                                remote-endpoint = <&cvbs_vdac_out>;
+                        };
+                };
+        };
 };
 &uart_AO {
@@ -203,3 +213,9 @@
        clocks = <&clkc CLKID_FCLK_DIV4>;
        clock-names = "clkin0";
 };
+&cvbs_vdac_port {
+        cvbs_vdac_out: endpoint {
+                remote-endpoint = <&cvbs_connector_in>;
+        };
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index 9f89b99c4806..69216246275d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -43,7 +43,7 @@
 #include "meson-gx.dtsi"
 #include <dt-bindings/clock/gxbb-clkc.h>
-#include <dt-bindings/gpio/meson-gxbb-gpio.h>
+#include <dt-bindings/gpio/meson-gxl-gpio.h>
 / {
        compatible = "amlogic,meson-gxl";
@@ -299,3 +299,7 @@
                 <&clkc CLKID_FCLK_DIV2>;
        clock-names = "core", "clkin0", "clkin1";
 };
+&vpu {
+        compatible = "amlogic,meson-gxl-vpu", "amlogic,meson-gx-vpu";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
index f859d75db8bd..5a337d339df1 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
@@ -90,6 +90,16 @@
                compatible = "mmc-pwrseq-emmc";
                reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
        };
+        cvbs-connector {
+                compatible = "composite-video-connector";
+                port {
+                        cvbs_connector_in: endpoint {
+                                remote-endpoint = <&cvbs_vdac_out>;
+                        };
+                };
+        };
 };
 /* This UART is brought out to the DB9 connector */
@@ -167,3 +177,9 @@
                max-speed = <1000>;
        };
 };
+&cvbs_vdac_port {
+        cvbs_vdac_out: endpoint {
+                remote-endpoint = <&cvbs_connector_in>;
+        };
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi
index c1974bbbddea..eb2f0c3e5e53 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi
@@ -112,3 +112,7 @@
                };
        };
 };
+&vpu {
+        compatible = "amlogic,meson-gxm-vpu", "amlogic,meson-gx-vpu";
+};
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
index a852e28a40e1..a83ed2c6bbf7 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
@@ -81,7 +81,7 @@
                #address-cells = <0>;
                interrupt-controller;
                reg = <0x0 0x2c001000 0 0x1000>,
-                      <0x0 0x2c002000 0 0x1000>,
+                      <0x0 0x2c002000 0 0x2000>,
                      <0x0 0x2c004000 0 0x2000>,
                      <0x0 0x2c006000 0 0x2000>;
                interrupts = <1 9 0xf04>;
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 9d1d7ad9b075..29ed6b61c737 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -64,6 +64,16 @@
                        reg = <0x0 0x86000000 0x0 0x200000>;
                        no-map;
                };
+                memory@85800000 {
+                        reg = <0x0 0x85800000 0x0 0x800000>;
+                        no-map;
+                };
+                memory@86200000 {
+                        reg = <0x0 0x86200000 0x0 0x2600000>;
+                        no-map;
+                };
        };
        cpus {
diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
index 6ffb0517421a..dbea2c3d8f0c 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -169,7 +169,7 @@
                power-source = <3300>;
        };
-        sdhi0_pins_uhs: sd0 {
+        sdhi0_pins_uhs: sd0_uhs {
                groups = "sdhi0_data4", "sdhi0_ctrl";
                function = "sdhi0";
                power-source = <1800>;
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 869dded0f09f..33b744d54739 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -331,6 +331,7 @@ CONFIG_DRM_VC4=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_I2C_ADV7511=m
 CONFIG_DRM_HISI_KIRIN=m
+CONFIG_DRM_MESON=m
 CONFIG_FB=y
 CONFIG_FB_ARMCLCD=y
 CONFIG_BACKLIGHT_GENERIC=m
diff --git a/arch/arm64/include/asm/current.h b/arch/arm64/include/asm/current.h
index f2bcbe2d9889..86c404171305 100644
--- a/arch/arm64/include/asm/current.h
+++ b/arch/arm64/include/asm/current.h
@@ -9,9 +9,17 @@
 struct task_struct;
+/*
+ * We don't use read_sysreg() as we want the compiler to cache the value where
+ * possible.
+ */
 static __always_inline struct task_struct *get_current(void)
 {
-        return (struct task_struct *)read_sysreg(sp_el0);
+        unsigned long sp_el0;
+        asm ("mrs %0, sp_el0" : "=r" (sp_el0));
+        return (struct task_struct *)sp_el0;
 }
 #define current get_current()
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 290a84f3351f..e04082700bb1 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -524,7 +524,8 @@ EXPORT_SYMBOL(dummy_dma_ops);
 static int __init arm64_dma_init(void)
 {
-        if (swiotlb_force || max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
+        if (swiotlb_force == SWIOTLB_FORCE ||
+            max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
                swiotlb = 1;
        return atomic_pool_init();
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index a78a5c401806..156169c6981b 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -88,21 +88,21 @@ void show_pte(struct mm_struct *mm, unsigned long addr)
                        break;
                pud = pud_offset(pgd, addr);
-                printk(", *pud=%016llx", pud_val(*pud));
+                pr_cont(", *pud=%016llx", pud_val(*pud));
                if (pud_none(*pud) || pud_bad(*pud))
                        break;
                pmd = pmd_offset(pud, addr);
-                printk(", *pmd=%016llx", pmd_val(*pmd));
+                pr_cont(", *pmd=%016llx", pmd_val(*pmd));
                if (pmd_none(*pmd) || pmd_bad(*pmd))
                        break;
                pte = pte_offset_map(pmd, addr);
-                printk(", *pte=%016llx", pte_val(*pte));
+                pr_cont(", *pte=%016llx", pte_val(*pte));
                pte_unmap(pte);
        } while(0);
-        printk("\n");
+        pr_cont("\n");
 }
 #ifdef CONFIG_ARM64_HW_AFDBM
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 212c4d1e2f26..716d1226ba69 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -401,7 +401,8 @@ static void __init free_unused_memmap(void)
 */
 void __init mem_init(void)
 {
-        if (swiotlb_force || max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
+        if (swiotlb_force == SWIOTLB_FORCE ||
+            max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
                swiotlb_init(1);
        set_max_mapnr(pfn_to_page(max_pfn) - mem_map);
diff --git a/arch/mips/kvm/entry.c b/arch/mips/kvm/entry.c
index 6a02b3a3fa65..e92fb190e2d6 100644
--- a/arch/mips/kvm/entry.c
+++ b/arch/mips/kvm/entry.c
@@ -521,6 +521,9 @@ void *kvm_mips_build_exit(void *addr)
        uasm_i_and(&p, V0, V0, AT);
        uasm_i_lui(&p, AT, ST0_CU0 >> 16);
        uasm_i_or(&p, V0, V0, AT);
+#ifdef CONFIG_64BIT
+        uasm_i_ori(&p, V0, V0, ST0_SX | ST0_UX);
+#endif
        uasm_i_mtc0(&p, V0, C0_STATUS);
        uasm_i_ehb(&p);
@@ -643,7 +646,7 @@ static void *kvm_mips_build_ret_to_guest(void *addr)
        /* Setup status register for running guest in UM */
        uasm_i_ori(&p, V1, V1, ST0_EXL | KSU_USER | ST0_IE);
-        UASM_i_LA(&p, AT, ~(ST0_CU0 | ST0_MX));
+        UASM_i_LA(&p, AT, ~(ST0_CU0 | ST0_MX | ST0_SX | ST0_UX));
        uasm_i_and(&p, V1, V1, AT);
        uasm_i_mtc0(&p, V1, C0_STATUS);
        uasm_i_ehb(&p);
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 06a60b19acfb..29ec9ab3fd55 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -360,8 +360,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
        dump_handler("kvm_exit", gebase + 0x2000, vcpu->arch.vcpu_run);
        /* Invalidate the icache for these ranges */
-        local_flush_icache_range((unsigned long)gebase,
+        flush_icache_range((unsigned long)gebase,
-                                (unsigned long)gebase + ALIGN(size, PAGE_SIZE));
+                           (unsigned long)gebase + ALIGN(size, PAGE_SIZE));
        /*
         * Allocate comm page for guest kernel, a TLB will be reserved for
diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S
index ef31fc24344e..552544616b9d 100644
--- a/arch/openrisc/kernel/vmlinux.lds.S
+++ b/arch/openrisc/kernel/vmlinux.lds.S
@@ -44,6 +44,8 @@ SECTIONS
        /* Read-only sections, merged into text segment: */
        . = LOAD_BASE ;
+        _text = .;
        /* _s_kernel_ro must be page aligned */
        . = ALIGN(PAGE_SIZE);
        _s_kernel_ro = .;
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 7581330ea35b..88fe0aad4390 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -49,7 +49,6 @@ struct thread_info {
 #define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_32BIT               4       /* 32 bit binary */
 #define TIF_MEMDIE              5       /* is terminating due to OOM killer */
-#define TIF_RESTORE_SIGMASK     6       /* restore saved signal mask */
 #define TIF_SYSCALL_AUDIT       7       /* syscall auditing active */
 #define TIF_NOTIFY_RESUME       8       /* callback before returning to user */
 #define TIF_SINGLESTEP          9       /* single stepping? */
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index da0d9cb63403..1e22f981cd81 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -235,9 +235,26 @@ void __init time_init(void)
        cr16_hz = 100 * PAGE0->mem_10msec;  /* Hz */
-        /* register at clocksource framework */
-        clocksource_register_hz(&clocksource_cr16, cr16_hz);
        /* register as sched_clock source */
        sched_clock_register(read_cr16_sched_clock, BITS_PER_LONG, cr16_hz);
 }
+static int __init init_cr16_clocksource(void)
+{
+        /*
+         * The cr16 interval timers are not syncronized across CPUs, so mark
+         * them unstable and lower rating on SMP systems.
+         */
+        if (num_online_cpus() > 1) {
+                clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE;
+                clocksource_cr16.rating = 0;
+        }
+        /* register at clocksource framework */
+        clocksource_register_hz(&clocksource_cr16,
+                100 * PAGE0->mem_10msec);
+        return 0;
+}
+device_initcall(init_cr16_clocksource);
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 8ff9253930af..1a0b4f63f0e9 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -234,7 +234,7 @@ show_signal_msg(struct pt_regs *regs, unsigned long code,
            tsk->comm, code, address);
        print_vma_addr(KERN_CONT " in ", regs->iaoq[0]);
-        pr_cont(" trap #%lu: %s%c", code, trap_name(code),
+        pr_cont("\ntrap #%lu: %s%c", code, trap_name(code),
                vma ? ',':'\n');
        if (vma)
diff --git a/arch/s390/include/asm/asm-prototypes.h b/arch/s390/include/asm/asm-prototypes.h
new file mode 100644
index 000000000000..2c3413b0ca52
--- /dev/null
+++ b/arch/s390/include/asm/asm-prototypes.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_S390_PROTOTYPES_H
+#include <linux/kvm_host.h>
+#include <linux/ftrace.h>
+#include <asm/fpu/api.h>
+#include <asm-generic/asm-prototypes.h>
+#endif /* _ASM_S390_PROTOTYPES_H */
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 6b246aadf311..1b5c5ee9fc1b 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -94,7 +94,7 @@ static void update_mt_scaling(void)
 * Update process times based on virtual cpu times stored by entry.S
 * to the lowcore fields user_timer, system_timer & steal_clock.
 */
-static int do_account_vtime(struct task_struct *tsk, int hardirq_offset)
+static int do_account_vtime(struct task_struct *tsk)
 {
        u64 timer, clock, user, system, steal;
        u64 user_scaled, system_scaled;
@@ -138,7 +138,7 @@ static int do_account_vtime(struct task_struct *tsk, int hardirq_offset)
        }
        account_user_time(tsk, user);
        tsk->utimescaled += user_scaled;
-        account_system_time(tsk, hardirq_offset, system);
+        account_system_time(tsk, 0, system);
        tsk->stimescaled += system_scaled;
        steal = S390_lowcore.steal_timer;
@@ -152,7 +152,7 @@ static int do_account_vtime(struct task_struct *tsk, int hardirq_offset)
 void vtime_task_switch(struct task_struct *prev)
 {
-        do_account_vtime(prev, 0);
+        do_account_vtime(prev);
        prev->thread.user_timer = S390_lowcore.user_timer;
        prev->thread.system_timer = S390_lowcore.system_timer;
        S390_lowcore.user_timer = current->thread.user_timer;
@@ -166,7 +166,7 @@ void vtime_task_switch(struct task_struct *prev)
 */
 void vtime_account_user(struct task_struct *tsk)
 {
-        if (do_account_vtime(tsk, HARDIRQ_OFFSET))
+        if (do_account_vtime(tsk))
                virt_timer_expire();
 }
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index b47edb8f5256..410efb2c7b80 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -68,12 +68,10 @@ static struct dma_map_ops swiotlb_dma_ops = {
 */
 int __init pci_swiotlb_detect_override(void)
 {
-        int use_swiotlb = swiotlb | swiotlb_force;
+        if (swiotlb_force == SWIOTLB_FORCE)
-        if (swiotlb_force)
                swiotlb = 1;
-        return use_swiotlb;
+        return swiotlb;
 }
 IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
                  pci_xen_swiotlb_detect,
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 24db5fb6f575..a236decb81e4 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -132,12 +132,6 @@ module_param_named(preemption_timer, enable_preemption_timer, bool, S_IRUGO);
 #define VMX_MISC_EMULATED_PREEMPTION_TIMER_RATE 5
-#define VMX_VPID_EXTENT_SUPPORTED_MASK          \
-        (VMX_VPID_EXTENT_INDIVIDUAL_ADDR_BIT |  \
-        VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT |    \
-        VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT |    \
-        VMX_VPID_EXTENT_SINGLE_NON_GLOBAL_BIT)
 /*
 * Hyper-V requires all of these, so mark them as supported even though
 * they are just treated the same as all-context.
@@ -10473,12 +10467,12 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
            !nested_guest_cr4_valid(vcpu, vmcs12->guest_cr4)) {
                nested_vmx_entry_failure(vcpu, vmcs12,
                        EXIT_REASON_INVALID_STATE, ENTRY_FAIL_DEFAULT);
-                goto out;
+                return 1;
        }
        if (vmcs12->vmcs_link_pointer != -1ull) {
                nested_vmx_entry_failure(vcpu, vmcs12,
                        EXIT_REASON_INVALID_STATE, ENTRY_FAIL_VMCS_LINK_PTR);
-                goto out;
+                return 1;
        }
        /*
@@ -10498,7 +10492,7 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
                     ia32e != !!(vmcs12->guest_ia32_efer & EFER_LME))) {
                        nested_vmx_entry_failure(vcpu, vmcs12,
                                EXIT_REASON_INVALID_STATE, ENTRY_FAIL_DEFAULT);
-                        goto out;
+                        return 1;
                }
        }
@@ -10516,7 +10510,7 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
                    ia32e != !!(vmcs12->host_ia32_efer & EFER_LME)) {
                        nested_vmx_entry_failure(vcpu, vmcs12,
                                EXIT_REASON_INVALID_STATE, ENTRY_FAIL_DEFAULT);
-                        goto out;
+                        return 1;
                }
        }
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 51ccfe08e32f..2f22810a7e0c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3070,6 +3070,8 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
        memset(&events->reserved, 0, sizeof(events->reserved));
 }
+static void kvm_set_hflags(struct kvm_vcpu *vcpu, unsigned emul_flags);
 static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
                                              struct kvm_vcpu_events *events)
 {
@@ -3106,10 +3108,13 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
                vcpu->arch.apic->sipi_vector = events->sipi_vector;
        if (events->flags & KVM_VCPUEVENT_VALID_SMM) {
+                u32 hflags = vcpu->arch.hflags;
                if (events->smi.smm)
-                        vcpu->arch.hflags |= HF_SMM_MASK;
+                        hflags |= HF_SMM_MASK;
                else
-                        vcpu->arch.hflags &= ~HF_SMM_MASK;
+                        hflags &= ~HF_SMM_MASK;
+                kvm_set_hflags(vcpu, hflags);
                vcpu->arch.smi_pending = events->smi.pending;
                if (events->smi.smm_inside_nmi)
                        vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK;
diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c
index a9fafb5c8738..a0b36a9d5df1 100644
--- a/arch/x86/xen/pci-swiotlb-xen.c
+++ b/arch/x86/xen/pci-swiotlb-xen.c
@@ -48,7 +48,7 @@ int __init pci_xen_swiotlb_detect(void)
         * activate this IOMMU. If running as PV privileged, activate it
         * irregardless.
         */
-        if ((xen_initial_domain() || swiotlb || swiotlb_force))
+        if (xen_initial_domain() || swiotlb || swiotlb_force == SWIOTLB_FORCE)
                xen_swiotlb = 1;
        /* If we are running under Xen, we MUST disable the native SWIOTLB.
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 8c394e30e5fe..f3f7b41116f7 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -713,10 +713,9 @@ static void __init xen_reserve_xen_mfnlist(void)
                size = PFN_PHYS(xen_start_info->nr_p2m_frames);
        }
-        if (!xen_is_e820_reserved(start, size)) {
+        memblock_reserve(start, size);
-                memblock_reserve(start, size);
+        if (!xen_is_e820_reserved(start, size))
                return;
-        }
 #ifdef CONFIG_X86_32
        /*
@@ -727,6 +726,7 @@ static void __init xen_reserve_xen_mfnlist(void)
        BUG();
 #else
        xen_relocate_p2m();
+        memblock_free(start, size);
 #endif
 }
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 6e82769f4042..f0a9c07b4c7a 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -544,6 +544,8 @@ static inline bool may_queue(struct rq_wb *rwb, struct rq_wait *rqw,
 * the timer to kick off queuing again.
 */
 static void __wbt_wait(struct rq_wb *rwb, unsigned long rw, spinlock_t *lock)
+        __releases(lock)
+        __acquires(lock)
 {
        struct rq_wait *rqw = get_rq_wait(rwb, current_is_kswapd());
        DEFINE_WAIT(wait);
@@ -558,13 +560,12 @@ static void __wbt_wait(struct rq_wb *rwb, unsigned long rw, spinlock_t *lock)
                if (may_queue(rwb, rqw, &wait, rw))
                        break;
-                if (lock)
+                if (lock) {
                        spin_unlock_irq(lock);
+                        io_schedule();
-                io_schedule();
-                if (lock)
                        spin_lock_irq(lock);
+                } else
+                        io_schedule();
        } while (1);
        finish_wait(&rqw->wait, &wait);
@@ -595,7 +596,7 @@ static inline bool wbt_should_throttle(struct rq_wb *rwb, struct bio *bio)
 * in an irq held spinlock, if it holds one when calling this function.
 * If we do sleep, we'll release and re-grab it.
 */
-unsigned int wbt_wait(struct rq_wb *rwb, struct bio *bio, spinlock_t *lock)
+enum wbt_flags wbt_wait(struct rq_wb *rwb, struct bio *bio, spinlock_t *lock)
 {
        unsigned int ret = 0;
diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c
index 13caebd679f5..8c4e0a18460a 100644
--- a/drivers/acpi/acpi_watchdog.c
+++ b/drivers/acpi/acpi_watchdog.c
@@ -114,7 +114,7 @@ void __init acpi_watchdog_init(void)
        pdev = platform_device_register_simple("wdat_wdt", PLATFORM_DEVID_NONE,
                                               resources, nresources);
        if (IS_ERR(pdev))
-                pr_err("Failed to create platform device\n");
+                pr_err("Device creation failed: %ld\n", PTR_ERR(pdev));
        kfree(resources);
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index f8d65647ea79..fb19e1cdb641 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -98,7 +98,15 @@ static int find_child_checks(struct acpi_device *adev, bool check_children)
        if (check_children && list_empty(&adev->children))
                return -ENODEV;
-        return sta_present ? FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE;
+        /*
+         * If the device has a _HID (or _CID) returning a valid ACPI/PNP
+         * device ID, it is better to make it look less attractive here, so that
+         * the other device with the same _ADR value (that may not have a valid
+         * device ID) can be matched going forward.  [This means a second spec
+         * violation in a row, so whatever we do here is best effort anyway.]
+         */
+        return sta_present && list_empty(&adev->pnp.ids) ?
+                        FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE;
 }
 struct acpi_device *acpi_find_child_device(struct acpi_device *parent,
@@ -250,7 +258,6 @@ int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev)
        return 0;
 err:
-        acpi_dma_deconfigure(dev);
        ACPI_COMPANION_SET(dev, NULL);
        put_device(dev);
        put_device(&acpi_dev->dev);
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 1b41a2739dac..0c452265c111 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -37,6 +37,7 @@ void acpi_amba_init(void);
 static inline void acpi_amba_init(void) {}
 #endif
 int acpi_sysfs_init(void);
+void acpi_gpe_apply_masked_gpes(void);
 void acpi_container_init(void);
 void acpi_memory_hotplug_init(void);
 #ifdef  CONFIG_ACPI_HOTPLUG_IOAPIC
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 45dec874ea55..192691880d55 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2074,6 +2074,7 @@ int __init acpi_scan_init(void)
                }
        }
+        acpi_gpe_apply_masked_gpes();
        acpi_update_all_gpes();
        acpi_ec_ecdt_start();
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 703c26e7022c..cf05ae973381 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -708,6 +708,62 @@ end:
        return result ? result : size;
 }
+/*
+ * A Quirk Mechanism for GPE Flooding Prevention:
+ *
+ * Quirks may be needed to prevent GPE flooding on a specific GPE. The
+ * flooding typically cannot be detected and automatically prevented by
+ * ACPI_GPE_DISPATCH_NONE check because there is a _Lxx/_Exx prepared in
+ * the AML tables. This normally indicates a feature gap in Linux, thus
+ * instead of providing endless quirk tables, we provide a boot parameter
+ * for those who want this quirk. For example, if the users want to prevent
+ * the GPE flooding for GPE 00, they need to specify the following boot
+ * parameter:
+ *   acpi_mask_gpe=0x00
+ * The masking status can be modified by the following runtime controlling
+ * interface:
+ *   echo unmask > /sys/firmware/acpi/interrupts/gpe00
+ */
+/*
+ * Currently, the GPE flooding prevention only supports to mask the GPEs
+ * numbered from 00 to 7f.
+ */
+#define ACPI_MASKABLE_GPE_MAX   0x80
+static u64 __initdata acpi_masked_gpes;
+static int __init acpi_gpe_set_masked_gpes(char *val)
+{
+        u8 gpe;
+        if (kstrtou8(val, 0, &gpe) || gpe > ACPI_MASKABLE_GPE_MAX)
+                return -EINVAL;
+        acpi_masked_gpes |= ((u64)1<<gpe);
+        return 1;
+}
+__setup("acpi_mask_gpe=", acpi_gpe_set_masked_gpes);
+void __init acpi_gpe_apply_masked_gpes(void)
+{
+        acpi_handle handle;
+        acpi_status status;
+        u8 gpe;
+        for (gpe = 0;
+             gpe < min_t(u8, ACPI_MASKABLE_GPE_MAX, acpi_current_gpe_count);
+             gpe++) {
+                if (acpi_masked_gpes & ((u64)1<<gpe)) {
+                        status = acpi_get_gpe_device(gpe, &handle);
+                        if (ACPI_SUCCESS(status)) {
+                                pr_info("Masking GPE 0x%x.\n", gpe);
+                                (void)acpi_mask_gpe(handle, gpe, TRUE);
+                        }
+                }
+        }
+}
 void acpi_irq_stats_init(void)
 {
        acpi_status status;
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index a5e1262b964b..2997026b4dfb 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -626,6 +626,7 @@ static int genpd_runtime_resume(struct device *dev)
 out:
        /* Measure resume latency. */
+        time_start = 0;
        if (timed && runtime_pm)
                time_start = ktime_get();
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index 5eb05dbf59b8..fc585f370549 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@@ -768,5 +768,5 @@ fail:
        kfree(clks);
        iounmap(base);
 }
-CLK_OF_DECLARE(stm32f42xx_rcc, "st,stm32f42xx-rcc", stm32f4_rcc_init);
+CLK_OF_DECLARE_DRIVER(stm32f42xx_rcc, "st,stm32f42xx-rcc", stm32f4_rcc_init);
-CLK_OF_DECLARE(stm32f46xx_rcc, "st,stm32f469-rcc", stm32f4_rcc_init);
+CLK_OF_DECLARE_DRIVER(stm32f46xx_rcc, "st,stm32f469-rcc", stm32f4_rcc_init);
diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c
index 9375777776d9..b533f99550e1 100644
--- a/drivers/clk/renesas/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@@ -37,12 +37,14 @@
 * @smstpcr: module stop control register
 * @mstpsr: module stop status register (optional)
 * @lock: protects writes to SMSTPCR
+ * @width_8bit: registers are 8-bit, not 32-bit
 */
 struct mstp_clock_group {
        struct clk_onecell_data data;
        void __iomem *smstpcr;
        void __iomem *mstpsr;
        spinlock_t lock;
+        bool width_8bit;
 };
 /**
@@ -59,6 +61,18 @@ struct mstp_clock {
 #define to_mstp_clock(_hw) container_of(_hw, struct mstp_clock, hw)
+static inline u32 cpg_mstp_read(struct mstp_clock_group *group,
+                                u32 __iomem *reg)
+{
+        return group->width_8bit ? readb(reg) : clk_readl(reg);
+}
+static inline void cpg_mstp_write(struct mstp_clock_group *group, u32 val,
+                                  u32 __iomem *reg)
+{
+        group->width_8bit ? writeb(val, reg) : clk_writel(val, reg);
+}
 static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
 {
        struct mstp_clock *clock = to_mstp_clock(hw);
@@ -70,12 +84,12 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
        spin_lock_irqsave(&group->lock, flags);
-        value = clk_readl(group->smstpcr);
+        value = cpg_mstp_read(group, group->smstpcr);
        if (enable)
                value &= ~bitmask;
        else
                value |= bitmask;
-        clk_writel(value, group->smstpcr);
+        cpg_mstp_write(group, value, group->smstpcr);
        spin_unlock_irqrestore(&group->lock, flags);
@@ -83,7 +97,7 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
                return 0;
        for (i = 1000; i > 0; --i) {
-                if (!(clk_readl(group->mstpsr) & bitmask))
+                if (!(cpg_mstp_read(group, group->mstpsr) & bitmask))
                        break;
                cpu_relax();
        }
@@ -114,9 +128,9 @@ static int cpg_mstp_clock_is_enabled(struct clk_hw *hw)
        u32 value;
        if (group->mstpsr)
-                value = clk_readl(group->mstpsr);
+                value = cpg_mstp_read(group, group->mstpsr);
        else
-                value = clk_readl(group->smstpcr);
+                value = cpg_mstp_read(group, group->smstpcr);
        return !(value & BIT(clock->bit_index));
 }
@@ -188,6 +202,9 @@ static void __init cpg_mstp_clocks_init(struct device_node *np)
                return;
        }
+        if (of_device_is_compatible(np, "renesas,r7s72100-mstp-clocks"))
+                group->width_8bit = true;
        for (i = 0; i < MSTP_MAX_CLOCKS; ++i)
                clks[i] = ERR_PTR(-ENOENT);
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index bc97b6a4b1cf..7fcaf26e8f81 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -26,6 +26,8 @@ static const struct of_device_id machines[] __initconst = {
        { .compatible = "allwinner,sun8i-a83t", },
        { .compatible = "allwinner,sun8i-h3", },
+        { .compatible = "apm,xgene-shadowcat", },
        { .compatible = "arm,integrator-ap", },
        { .compatible = "arm,integrator-cp", },
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 6acbd4af632e..f91c25718d16 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -857,13 +857,13 @@ static struct freq_attr *hwp_cpufreq_attrs[] = {
        NULL,
 };
-static void intel_pstate_hwp_set(const struct cpumask *cpumask)
+static void intel_pstate_hwp_set(struct cpufreq_policy *policy)
 {
        int min, hw_min, max, hw_max, cpu, range, adj_range;
        struct perf_limits *perf_limits = limits;
        u64 value, cap;
-        for_each_cpu(cpu, cpumask) {
+        for_each_cpu(cpu, policy->cpus) {
                int max_perf_pct, min_perf_pct;
                struct cpudata *cpu_data = all_cpu_data[cpu];
                s16 epp;
@@ -949,7 +949,7 @@ skip_epp:
 static int intel_pstate_hwp_set_policy(struct cpufreq_policy *policy)
 {
        if (hwp_active)
-                intel_pstate_hwp_set(policy->cpus);
+                intel_pstate_hwp_set(policy);
        return 0;
 }
@@ -968,19 +968,28 @@ static int intel_pstate_hwp_save_state(struct cpufreq_policy *policy)
 static int intel_pstate_resume(struct cpufreq_policy *policy)
 {
+        int ret;
        if (!hwp_active)
                return 0;
+        mutex_lock(&intel_pstate_limits_lock);
        all_cpu_data[policy->cpu]->epp_policy = 0;
-        return intel_pstate_hwp_set_policy(policy);
+        ret = intel_pstate_hwp_set_policy(policy);
+        mutex_unlock(&intel_pstate_limits_lock);
+        return ret;
 }
-static void intel_pstate_hwp_set_online_cpus(void)
+static void intel_pstate_update_policies(void)
 {
-        get_online_cpus();
+        int cpu;
-        intel_pstate_hwp_set(cpu_online_mask);
-        put_online_cpus();
+        for_each_possible_cpu(cpu)
+                cpufreq_update_policy(cpu);
 }
 /************************** debugfs begin ************************/
@@ -1018,10 +1027,6 @@ static void __init intel_pstate_debug_expose_params(void)
        struct dentry *debugfs_parent;
        int i = 0;
-        if (hwp_active ||
-            pstate_funcs.get_target_pstate == get_target_pstate_use_cpu_load)
-                return;
        debugfs_parent = debugfs_create_dir("pstate_snb", NULL);
        if (IS_ERR_OR_NULL(debugfs_parent))
                return;
@@ -1105,11 +1110,10 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
        limits->no_turbo = clamp_t(int, input, 0, 1);
-        if (hwp_active)
-                intel_pstate_hwp_set_online_cpus();
        mutex_unlock(&intel_pstate_limits_lock);
+        intel_pstate_update_policies();
        return count;
 }
@@ -1134,11 +1138,10 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b,
                                   limits->max_perf_pct);
        limits->max_perf = div_ext_fp(limits->max_perf_pct, 100);
-        if (hwp_active)
-                intel_pstate_hwp_set_online_cpus();
        mutex_unlock(&intel_pstate_limits_lock);
+        intel_pstate_update_policies();
        return count;
 }
@@ -1163,11 +1166,10 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b,
                                   limits->min_perf_pct);
        limits->min_perf = div_ext_fp(limits->min_perf_pct, 100);
-        if (hwp_active)
-                intel_pstate_hwp_set_online_cpus();
        mutex_unlock(&intel_pstate_limits_lock);
+        intel_pstate_update_policies();
        return count;
 }
@@ -2153,8 +2155,12 @@ static int intel_cpufreq_verify_policy(struct cpufreq_policy *policy)
        if (per_cpu_limits)
                perf_limits = cpu->perf_limits;
+        mutex_lock(&intel_pstate_limits_lock);
        intel_pstate_update_perf_limits(policy, perf_limits);
+        mutex_unlock(&intel_pstate_limits_lock);
        return 0;
 }
@@ -2487,7 +2493,10 @@ hwp_cpu_matched:
        if (rc)
                goto out;
-        intel_pstate_debug_expose_params();
+        if (intel_pstate_driver == &intel_pstate && !hwp_active &&
+            pstate_funcs.get_target_pstate != get_target_pstate_use_cpu_load)
+                intel_pstate_debug_expose_params();
        intel_pstate_sysfs_expose_params();
        if (hwp_active)
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index a324801d6a66..47206a21bb90 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -593,11 +593,16 @@ struct devfreq *devfreq_add_device(struct device *dev,
        list_add(&devfreq->node, &devfreq_list);
        governor = find_devfreq_governor(devfreq->governor_name);
-        if (!IS_ERR(governor))
+        if (IS_ERR(governor)) {
-                devfreq->governor = governor;
+                dev_err(dev, "%s: Unable to find governor for the device\n",
-        if (devfreq->governor)
+                        __func__);
-                err = devfreq->governor->event_handler(devfreq,
+                err = PTR_ERR(governor);
-                                        DEVFREQ_GOV_START, NULL);
+                goto err_init;
+        }
+        devfreq->governor = governor;
+        err = devfreq->governor->event_handler(devfreq, DEVFREQ_GOV_START,
+                                                NULL);
        if (err) {
                dev_err(dev, "%s: Unable to start governor for the device\n",
                        __func__);
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index a8ed7792ece2..9af86f46fbec 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -497,7 +497,7 @@ passive:
        if (IS_ERR(bus->devfreq)) {
                dev_err(dev,
                        "failed to add devfreq dev with passive governor\n");
-                ret = -EPROBE_DEFER;
+                ret = PTR_ERR(bus->devfreq);
                goto err;
        }
diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c
index 70e13230d8db..9ad0b1934be9 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -721,11 +721,17 @@ static int scpi_sensor_get_value(u16 sensor, u64 *val)
        ret = scpi_send_message(CMD_SENSOR_VALUE, &id, sizeof(id),
                                &buf, sizeof(buf));
-        if (!ret)
+        if (ret)
+                return ret;
+        if (scpi_info->is_legacy)
+                /* only 32-bits supported, hi_val can be junk */
+                *val = le32_to_cpu(buf.lo_val);
+        else
                *val = (u64)le32_to_cpu(buf.hi_val) << 32 |
                        le32_to_cpu(buf.lo_val);
-        return ret;
+        return 0;
 }
 static int scpi_device_get_power_state(u16 dev_id)
diff --git a/drivers/firmware/psci_checker.c b/drivers/firmware/psci_checker.c
index 44bdb78f837b..29d58feaf675 100644
--- a/drivers/firmware/psci_checker.c
+++ b/drivers/firmware/psci_checker.c
@@ -270,8 +270,7 @@ static int suspend_test_thread(void *arg)
        struct cpuidle_device *dev;
        struct cpuidle_driver *drv;
        /* No need for an actual callback, we just want to wake up the CPU. */
-        struct timer_list wakeup_timer =
+        struct timer_list wakeup_timer;
-                TIMER_INITIALIZER(dummy_callback, 0, 0);
        /* Wait for the main thread to give the start signal. */
        wait_for_completion(&suspend_threads_started);
@@ -287,6 +286,7 @@ static int suspend_test_thread(void *arg)
        pr_info("CPU %d entering suspend cycles, states 1 through %d\n",
                cpu, drv->state_count - 1);
+        setup_timer_on_stack(&wakeup_timer, dummy_callback, 0);
        for (i = 0; i < NUM_SUSPEND_CYCLE; ++i) {
                int index;
                /*
diff --git a/drivers/gpu/drm/i915/gvt/cfg_space.c b/drivers/gpu/drm/i915/gvt/cfg_space.c
index db516382a4d4..711c31c8d8b4 100644
--- a/drivers/gpu/drm/i915/gvt/cfg_space.c
+++ b/drivers/gpu/drm/i915/gvt/cfg_space.c
@@ -123,6 +123,7 @@ static int emulate_pci_command_write(struct intel_vgpu *vgpu,
        u8 changed = old ^ new;
        int ret;
+        memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
        if (!(changed & PCI_COMMAND_MEMORY))
                return 0;
@@ -142,7 +143,6 @@ static int emulate_pci_command_write(struct intel_vgpu *vgpu,
                        return ret;
        }
-        memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
        return 0;
 }
@@ -240,7 +240,7 @@ int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset,
        if (WARN_ON(bytes > 4))
                return -EINVAL;
-        if (WARN_ON(offset + bytes >= INTEL_GVT_MAX_CFG_SPACE_SZ))
+        if (WARN_ON(offset + bytes > INTEL_GVT_MAX_CFG_SPACE_SZ))
                return -EINVAL;
        /* First check if it's PCI_COMMAND */
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 7eaaf1c9ed2b..6c5fdf5b2ce2 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1998,6 +1998,8 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu)
        INIT_LIST_HEAD(&gtt->oos_page_list_head);
        INIT_LIST_HEAD(&gtt->post_shadow_list_head);
+        intel_vgpu_reset_ggtt(vgpu);
        ggtt_mm = intel_vgpu_create_mm(vgpu, INTEL_GVT_MM_GGTT,
                        NULL, 1, 0);
        if (IS_ERR(ggtt_mm)) {
@@ -2206,6 +2208,7 @@ int intel_vgpu_g2v_destroy_ppgtt_mm(struct intel_vgpu *vgpu,
 int intel_gvt_init_gtt(struct intel_gvt *gvt)
 {
        int ret;
+        void *page_addr;
        gvt_dbg_core("init gtt\n");
@@ -2218,6 +2221,23 @@ int intel_gvt_init_gtt(struct intel_gvt *gvt)
                return -ENODEV;
        }
+        gvt->gtt.scratch_ggtt_page =
+                alloc_page(GFP_KERNEL | GFP_ATOMIC | __GFP_ZERO);
+        if (!gvt->gtt.scratch_ggtt_page) {
+                gvt_err("fail to allocate scratch ggtt page\n");
+                return -ENOMEM;
+        }
+        page_addr = page_address(gvt->gtt.scratch_ggtt_page);
+        gvt->gtt.scratch_ggtt_mfn =
+                intel_gvt_hypervisor_virt_to_mfn(page_addr);
+        if (gvt->gtt.scratch_ggtt_mfn == INTEL_GVT_INVALID_ADDR) {
+                gvt_err("fail to translate scratch ggtt page\n");
+                __free_page(gvt->gtt.scratch_ggtt_page);
+                return -EFAULT;
+        }
        if (enable_out_of_sync) {
                ret = setup_spt_oos(gvt);
                if (ret) {
@@ -2239,6 +2259,41 @@ int intel_gvt_init_gtt(struct intel_gvt *gvt)
 */
 void intel_gvt_clean_gtt(struct intel_gvt *gvt)
 {
+        __free_page(gvt->gtt.scratch_ggtt_page);
        if (enable_out_of_sync)
                clean_spt_oos(gvt);
 }
+/**
+ * intel_vgpu_reset_ggtt - reset the GGTT entry
+ * @vgpu: a vGPU
+ *
+ * This function is called at the vGPU create stage
+ * to reset all the GGTT entries.
+ *
+ */
+void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu)
+{
+        struct intel_gvt *gvt = vgpu->gvt;
+        struct intel_gvt_gtt_pte_ops *ops = vgpu->gvt->gtt.pte_ops;
+        u32 index;
+        u32 offset;
+        u32 num_entries;
+        struct intel_gvt_gtt_entry e;
+        memset(&e, 0, sizeof(struct intel_gvt_gtt_entry));
+        e.type = GTT_TYPE_GGTT_PTE;
+        ops->set_pfn(&e, gvt->gtt.scratch_ggtt_mfn);
+        e.val64 |= _PAGE_PRESENT;
+        index = vgpu_aperture_gmadr_base(vgpu) >> PAGE_SHIFT;
+        num_entries = vgpu_aperture_sz(vgpu) >> PAGE_SHIFT;
+        for (offset = 0; offset < num_entries; offset++)
+                ops->set_entry(NULL, &e, index + offset, false, 0, vgpu);
+        index = vgpu_hidden_gmadr_base(vgpu) >> PAGE_SHIFT;
+        num_entries = vgpu_hidden_sz(vgpu) >> PAGE_SHIFT;
+        for (offset = 0; offset < num_entries; offset++)
+                ops->set_entry(NULL, &e, index + offset, false, 0, vgpu);
+}
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h
index d250013bc37b..b315ab3593ec 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.h
+++ b/drivers/gpu/drm/i915/gvt/gtt.h
@@ -81,6 +81,9 @@ struct intel_gvt_gtt {
        struct list_head oos_page_use_list_head;
        struct list_head oos_page_free_list_head;
        struct list_head mm_lru_list_head;
+        struct page *scratch_ggtt_page;
+        unsigned long scratch_ggtt_mfn;
 };
 enum {
@@ -202,6 +205,7 @@ struct intel_vgpu_gtt {
 extern int intel_vgpu_init_gtt(struct intel_vgpu *vgpu);
 extern void intel_vgpu_clean_gtt(struct intel_vgpu *vgpu);
+void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu);
 extern int intel_gvt_init_gtt(struct intel_gvt *gvt);
 extern void intel_gvt_clean_gtt(struct intel_gvt *gvt);
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index ad0e9364ee70..0af17016f33f 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -175,6 +175,7 @@ struct intel_vgpu {
                struct notifier_block group_notifier;
                struct kvm *kvm;
                struct work_struct release_work;
+                atomic_t released;
        } vdev;
 #endif
 };
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 4dd6722a7339..faaae07ae487 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -114,12 +114,15 @@ out:
 static kvm_pfn_t gvt_cache_find(struct intel_vgpu *vgpu, gfn_t gfn)
 {
        struct gvt_dma *entry;
+        kvm_pfn_t pfn;
        mutex_lock(&vgpu->vdev.cache_lock);
        entry = __gvt_cache_find(vgpu, gfn);
-        mutex_unlock(&vgpu->vdev.cache_lock);
+        pfn = (entry == NULL) ? 0 : entry->pfn;
-        return entry == NULL ? 0 : entry->pfn;
+        mutex_unlock(&vgpu->vdev.cache_lock);
+        return pfn;
 }
 static void gvt_cache_add(struct intel_vgpu *vgpu, gfn_t gfn, kvm_pfn_t pfn)
@@ -166,7 +169,7 @@ static void __gvt_cache_remove_entry(struct intel_vgpu *vgpu,
 static void gvt_cache_remove(struct intel_vgpu *vgpu, gfn_t gfn)
 {
-        struct device *dev = &vgpu->vdev.mdev->dev;
+        struct device *dev = mdev_dev(vgpu->vdev.mdev);
        struct gvt_dma *this;
        unsigned long g1;
        int rc;
@@ -195,7 +198,7 @@ static void gvt_cache_destroy(struct intel_vgpu *vgpu)
 {
        struct gvt_dma *dma;
        struct rb_node *node = NULL;
-        struct device *dev = &vgpu->vdev.mdev->dev;
+        struct device *dev = mdev_dev(vgpu->vdev.mdev);
        unsigned long gfn;
        mutex_lock(&vgpu->vdev.cache_lock);
@@ -396,7 +399,7 @@ static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev)
        struct device *pdev;
        void *gvt;
-        pdev = mdev->parent->dev;
+        pdev = mdev_parent_dev(mdev);
        gvt = kdev_to_i915(pdev)->gvt;
        type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj));
@@ -418,7 +421,7 @@ static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev)
        mdev_set_drvdata(mdev, vgpu);
        gvt_dbg_core("intel_vgpu_create succeeded for mdev: %s\n",
-                     dev_name(&mdev->dev));
+                     dev_name(mdev_dev(mdev)));
        return 0;
 }
@@ -482,7 +485,7 @@ static int intel_vgpu_open(struct mdev_device *mdev)
        vgpu->vdev.group_notifier.notifier_call = intel_vgpu_group_notifier;
        events = VFIO_IOMMU_NOTIFY_DMA_UNMAP;
-        ret = vfio_register_notifier(&mdev->dev, VFIO_IOMMU_NOTIFY, &events,
+        ret = vfio_register_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY, &events,
                                &vgpu->vdev.iommu_notifier);
        if (ret != 0) {
                gvt_err("vfio_register_notifier for iommu failed: %d\n", ret);
@@ -490,17 +493,26 @@ static int intel_vgpu_open(struct mdev_device *mdev)
        }
        events = VFIO_GROUP_NOTIFY_SET_KVM;
-        ret = vfio_register_notifier(&mdev->dev, VFIO_GROUP_NOTIFY, &events,
+        ret = vfio_register_notifier(mdev_dev(mdev), VFIO_GROUP_NOTIFY, &events,
                                &vgpu->vdev.group_notifier);
        if (ret != 0) {
                gvt_err("vfio_register_notifier for group failed: %d\n", ret);
                goto undo_iommu;
        }
-        return kvmgt_guest_init(mdev);
+        ret = kvmgt_guest_init(mdev);
+        if (ret)
+                goto undo_group;
+        atomic_set(&vgpu->vdev.released, 0);
+        return ret;
+undo_group:
+        vfio_unregister_notifier(mdev_dev(mdev), VFIO_GROUP_NOTIFY,
+                                        &vgpu->vdev.group_notifier);
 undo_iommu:
-        vfio_unregister_notifier(&mdev->dev, VFIO_IOMMU_NOTIFY,
+        vfio_unregister_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY,
                                        &vgpu->vdev.iommu_notifier);
 out:
        return ret;
@@ -509,17 +521,26 @@ out:
 static void __intel_vgpu_release(struct intel_vgpu *vgpu)
 {
        struct kvmgt_guest_info *info;
+        int ret;
        if (!handle_valid(vgpu->handle))
                return;
-        vfio_unregister_notifier(&vgpu->vdev.mdev->dev, VFIO_IOMMU_NOTIFY,
+        if (atomic_cmpxchg(&vgpu->vdev.released, 0, 1))
+                return;
+        ret = vfio_unregister_notifier(mdev_dev(vgpu->vdev.mdev), VFIO_IOMMU_NOTIFY,
                                        &vgpu->vdev.iommu_notifier);
-        vfio_unregister_notifier(&vgpu->vdev.mdev->dev, VFIO_GROUP_NOTIFY,
+        WARN(ret, "vfio_unregister_notifier for iommu failed: %d\n", ret);
+        ret = vfio_unregister_notifier(mdev_dev(vgpu->vdev.mdev), VFIO_GROUP_NOTIFY,
                                        &vgpu->vdev.group_notifier);
+        WARN(ret, "vfio_unregister_notifier for group failed: %d\n", ret);
        info = (struct kvmgt_guest_info *)vgpu->handle;
        kvmgt_guest_exit(info);
+        vgpu->vdev.kvm = NULL;
        vgpu->handle = 0;
 }
@@ -534,6 +555,7 @@ static void intel_vgpu_release_work(struct work_struct *work)
 {
        struct intel_vgpu *vgpu = container_of(work, struct intel_vgpu,
                                        vdev.release_work);
        __intel_vgpu_release(vgpu);
 }
@@ -1089,7 +1111,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd,
        return 0;
 }
-static const struct parent_ops intel_vgpu_ops = {
+static const struct mdev_parent_ops intel_vgpu_ops = {
        .supported_type_groups  = intel_vgpu_type_groups,
        .create                 = intel_vgpu_create,
        .remove                 = intel_vgpu_remove,
@@ -1134,6 +1156,10 @@ static int kvmgt_write_protect_add(unsigned long handle, u64 gfn)
        idx = srcu_read_lock(&kvm->srcu);
        slot = gfn_to_memslot(kvm, gfn);
+        if (!slot) {
+                srcu_read_unlock(&kvm->srcu, idx);
+                return -EINVAL;
+        }
        spin_lock(&kvm->mmu_lock);
@@ -1164,6 +1190,10 @@ static int kvmgt_write_protect_remove(unsigned long handle, u64 gfn)
        idx = srcu_read_lock(&kvm->srcu);
        slot = gfn_to_memslot(kvm, gfn);
+        if (!slot) {
+                srcu_read_unlock(&kvm->srcu, idx);
+                return -EINVAL;
+        }
        spin_lock(&kvm->mmu_lock);
@@ -1311,18 +1341,14 @@ static int kvmgt_guest_init(struct mdev_device *mdev)
 static bool kvmgt_guest_exit(struct kvmgt_guest_info *info)
 {
-        struct intel_vgpu *vgpu;
        if (!info) {
                gvt_err("kvmgt_guest_info invalid\n");
                return false;
        }
-        vgpu = info->vgpu;
        kvm_page_track_unregister_notifier(info->kvm, &info->track_node);
        kvmgt_protect_table_destroy(info);
-        gvt_cache_destroy(vgpu);
+        gvt_cache_destroy(info->vgpu);
        vfree(info);
        return true;
@@ -1372,7 +1398,7 @@ static unsigned long kvmgt_gfn_to_pfn(unsigned long handle, unsigned long gfn)
                return pfn;
        pfn = INTEL_GVT_INVALID_ADDR;
-        dev = &info->vgpu->vdev.mdev->dev;
+        dev = mdev_dev(info->vgpu->vdev.mdev);
        rc = vfio_pin_pages(dev, &gfn, 1, IOMMU_READ | IOMMU_WRITE, &pfn);
        if (rc != 1) {
                gvt_err("vfio_pin_pages failed for gfn 0x%lx: %d\n", gfn, rc);
diff --git a/drivers/gpu/drm/i915/gvt/opregion.c b/drivers/gpu/drm/i915/gvt/opregion.c
index d2a0fbc896c3..81cd921770c6 100644
--- a/drivers/gpu/drm/i915/gvt/opregion.c
+++ b/drivers/gpu/drm/i915/gvt/opregion.c
@@ -65,7 +65,7 @@ static int map_vgpu_opregion(struct intel_vgpu *vgpu, bool map)
        int i, ret;
        for (i = 0; i < INTEL_GVT_OPREGION_PAGES; i++) {
-                mfn = intel_gvt_hypervisor_virt_to_mfn(vgpu_opregion(vgpu)
+                mfn = intel_gvt_hypervisor_virt_to_mfn(vgpu_opregion(vgpu)->va
                        + i * PAGE_SIZE);
                if (mfn == INTEL_GVT_INVALID_ADDR) {
                        gvt_err("fail to get MFN from VA\n");
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 4a31b7a891ec..3dd7fc662859 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -244,14 +244,16 @@ err_phys:
 static void
 __i915_gem_object_release_shmem(struct drm_i915_gem_object *obj,
-                                struct sg_table *pages)
+                                struct sg_table *pages,
+                                bool needs_clflush)
 {
        GEM_BUG_ON(obj->mm.madv == __I915_MADV_PURGED);
        if (obj->mm.madv == I915_MADV_DONTNEED)
                obj->mm.dirty = false;
-        if ((obj->base.read_domains & I915_GEM_DOMAIN_CPU) == 0 &&
+        if (needs_clflush &&
+            (obj->base.read_domains & I915_GEM_DOMAIN_CPU) == 0 &&
            !cpu_cache_is_coherent(obj->base.dev, obj->cache_level))
                drm_clflush_sg(pages);
@@ -263,7 +265,7 @@ static void
 i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj,
                               struct sg_table *pages)
 {
-        __i915_gem_object_release_shmem(obj, pages);
+        __i915_gem_object_release_shmem(obj, pages, false);
        if (obj->mm.dirty) {
                struct address_space *mapping = obj->base.filp->f_mapping;
@@ -2231,7 +2233,7 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj,
        struct sgt_iter sgt_iter;
        struct page *page;
-        __i915_gem_object_release_shmem(obj, pages);
+        __i915_gem_object_release_shmem(obj, pages, true);
        i915_gem_gtt_finish_pages(obj, pages);
@@ -2304,15 +2306,6 @@ unlock:
        mutex_unlock(&obj->mm.lock);
 }
-static unsigned int swiotlb_max_size(void)
-{
-#if IS_ENABLED(CONFIG_SWIOTLB)
-        return rounddown(swiotlb_nr_tbl() << IO_TLB_SHIFT, PAGE_SIZE);
-#else
-        return 0;
-#endif
-}
 static void i915_sg_trim(struct sg_table *orig_st)
 {
        struct sg_table new_st;
@@ -2322,7 +2315,7 @@ static void i915_sg_trim(struct sg_table *orig_st)
        if (orig_st->nents == orig_st->orig_nents)
                return;
-        if (sg_alloc_table(&new_st, orig_st->nents, GFP_KERNEL))
+        if (sg_alloc_table(&new_st, orig_st->nents, GFP_KERNEL | __GFP_NOWARN))
                return;
        new_sg = new_st.sgl;
@@ -2360,7 +2353,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
        GEM_BUG_ON(obj->base.read_domains & I915_GEM_GPU_DOMAINS);
        GEM_BUG_ON(obj->base.write_domain & I915_GEM_GPU_DOMAINS);
-        max_segment = swiotlb_max_size();
+        max_segment = swiotlb_max_segment();
        if (!max_segment)
                max_segment = rounddown(UINT_MAX, PAGE_SIZE);
@@ -2728,6 +2721,7 @@ static void i915_gem_reset_engine(struct intel_engine_cs *engine)
        struct drm_i915_gem_request *request;
        struct i915_gem_context *incomplete_ctx;
        struct intel_timeline *timeline;
+        unsigned long flags;
        bool ring_hung;
        if (engine->irq_seqno_barrier)
@@ -2763,13 +2757,20 @@ static void i915_gem_reset_engine(struct intel_engine_cs *engine)
        if (i915_gem_context_is_default(incomplete_ctx))
                return;
+        timeline = i915_gem_context_lookup_timeline(incomplete_ctx, engine);
+        spin_lock_irqsave(&engine->timeline->lock, flags);
+        spin_lock(&timeline->lock);
        list_for_each_entry_continue(request, &engine->timeline->requests, link)
                if (request->ctx == incomplete_ctx)
                        reset_request(request);
-        timeline = i915_gem_context_lookup_timeline(incomplete_ctx, engine);
        list_for_each_entry(request, &timeline->requests, link)
                reset_request(request);
+        spin_unlock(&timeline->lock);
+        spin_unlock_irqrestore(&engine->timeline->lock, flags);
 }
 void i915_gem_reset(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
index e2b077df2da0..d229f47d1028 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.h
+++ b/drivers/gpu/drm/i915/i915_gem_request.h
@@ -413,6 +413,25 @@ i915_gem_active_set(struct i915_gem_active *active,
        rcu_assign_pointer(active->request, request);
 }
+/**
+ * i915_gem_active_set_retire_fn - updates the retirement callback
+ * @active - the active tracker
+ * @fn - the routine called when the request is retired
+ * @mutex - struct_mutex used to guard retirements
+ *
+ * i915_gem_active_set_retire_fn() updates the function pointer that
+ * is called when the final request associated with the @active tracker
+ * is retired.
+ */
+static inline void
+i915_gem_active_set_retire_fn(struct i915_gem_active *active,
+                              i915_gem_retire_fn fn,
+                              struct mutex *mutex)
+{
+        lockdep_assert_held(mutex);
+        active->retire = fn ?: i915_gem_retire_noop;
+}
 static inline struct drm_i915_gem_request *
 __i915_gem_active_peek(const struct i915_gem_active *active)
 {
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6daad8613760..3dc8724df400 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -16791,7 +16791,6 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
        for_each_intel_crtc(dev, crtc) {
                struct intel_crtc_state *crtc_state = crtc->config;
-                int pixclk = 0;
                __drm_atomic_helper_crtc_destroy_state(&crtc_state->base);
                memset(crtc_state, 0, sizeof(*crtc_state));
@@ -16803,23 +16802,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
                crtc->base.enabled = crtc_state->base.enable;
                crtc->active = crtc_state->base.active;
-                if (crtc_state->base.active) {
+                if (crtc_state->base.active)
                        dev_priv->active_crtcs |= 1 << crtc->pipe;
-                        if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
-                                pixclk = ilk_pipe_pixel_rate(crtc_state);
-                        else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
-                                pixclk = crtc_state->base.adjusted_mode.crtc_clock;
-                        else
-                                WARN_ON(dev_priv->display.modeset_calc_cdclk);
-                        /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
-                        if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled)
-                                pixclk = DIV_ROUND_UP(pixclk * 100, 95);
-                }
-                dev_priv->min_pixclk[crtc->pipe] = pixclk;
                readout_plane_state(crtc);
                DRM_DEBUG_KMS("[CRTC:%d:%s] hw state readout: %s\n",
@@ -16892,6 +16877,8 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
        }
        for_each_intel_crtc(dev, crtc) {
+                int pixclk = 0;
                crtc->base.hwmode = crtc->config->base.adjusted_mode;
                memset(&crtc->base.mode, 0, sizeof(crtc->base.mode));
@@ -16919,10 +16906,23 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
                         */
                        crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED;
+                        if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
+                                pixclk = ilk_pipe_pixel_rate(crtc->config);
+                        else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+                                pixclk = crtc->config->base.adjusted_mode.crtc_clock;
+                        else
+                                WARN_ON(dev_priv->display.modeset_calc_cdclk);
+                        /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
+                        if (IS_BROADWELL(dev_priv) && crtc->config->ips_enabled)
+                                pixclk = DIV_ROUND_UP(pixclk * 100, 95);
                        drm_calc_timestamping_constants(&crtc->base, &crtc->base.hwmode);
                        update_scanline_offset(crtc);
                }
+                dev_priv->min_pixclk[crtc->pipe] = pixclk;
                intel_pipe_config_sanity_check(dev_priv, crtc->config);
        }
 }
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d9bc19be855e..0b8e8eb85c19 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -355,7 +355,8 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
                                    struct intel_dp *intel_dp);
 static void
 intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
-                                              struct intel_dp *intel_dp);
+                                              struct intel_dp *intel_dp,
+                                              bool force_disable_vdd);
 static void
 intel_dp_pps_init(struct drm_device *dev, struct intel_dp *intel_dp);
@@ -516,7 +517,7 @@ vlv_power_sequencer_pipe(struct intel_dp *intel_dp)
        /* init power sequencer on this pipe and port */
        intel_dp_init_panel_power_sequencer(dev, intel_dp);
-        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
+        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, true);
        /*
         * Even vdd force doesn't work until we've made
@@ -553,7 +554,7 @@ bxt_power_sequencer_idx(struct intel_dp *intel_dp)
         * Only the HW needs to be reprogrammed, the SW state is fixed and
         * has been setup during connector init.
         */
-        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
+        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, false);
        return 0;
 }
@@ -636,7 +637,7 @@ vlv_initial_power_sequencer_setup(struct intel_dp *intel_dp)
                      port_name(port), pipe_name(intel_dp->pps_pipe));
        intel_dp_init_panel_power_sequencer(dev, intel_dp);
-        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
+        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, false);
 }
 void intel_power_sequencer_reset(struct drm_i915_private *dev_priv)
@@ -2912,7 +2913,7 @@ static void vlv_init_panel_power_sequencer(struct intel_dp *intel_dp)
        /* init power sequencer on this pipe and port */
        intel_dp_init_panel_power_sequencer(dev, intel_dp);
-        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
+        intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, true);
 }
 static void vlv_pre_enable_dp(struct intel_encoder *encoder,
@@ -5055,7 +5056,8 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
 static void
 intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
-                                              struct intel_dp *intel_dp)
+                                              struct intel_dp *intel_dp,
+                                              bool force_disable_vdd)
 {
        struct drm_i915_private *dev_priv = to_i915(dev);
        u32 pp_on, pp_off, pp_div, port_sel = 0;
@@ -5068,6 +5070,31 @@ intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
        intel_pps_get_registers(dev_priv, intel_dp, &regs);
+        /*
+         * On some VLV machines the BIOS can leave the VDD
+         * enabled even on power seqeuencers which aren't
+         * hooked up to any port. This would mess up the
+         * power domain tracking the first time we pick
+         * one of these power sequencers for use since
+         * edp_panel_vdd_on() would notice that the VDD was
+         * already on and therefore wouldn't grab the power
+         * domain reference. Disable VDD first to avoid this.
+         * This also avoids spuriously turning the VDD on as
+         * soon as the new power seqeuencer gets initialized.
+         */
+        if (force_disable_vdd) {
+                u32 pp = ironlake_get_pp_control(intel_dp);
+                WARN(pp & PANEL_POWER_ON, "Panel power already on\n");
+                if (pp & EDP_FORCE_VDD)
+                        DRM_DEBUG_KMS("VDD already on, disabling first\n");
+                pp &= ~EDP_FORCE_VDD;
+                I915_WRITE(regs.pp_ctrl, pp);
+        }
        pp_on = (seq->t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
                (seq->t8 << PANEL_LIGHT_ON_DELAY_SHIFT);
        pp_off = (seq->t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) |
@@ -5122,7 +5149,7 @@ static void intel_dp_pps_init(struct drm_device *dev,
                vlv_initial_power_sequencer_setup(intel_dp);
        } else {
                intel_dp_init_panel_power_sequencer(dev, intel_dp);
-                intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
+                intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, false);
        }
 }
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index fd0e4dac7cc1..e589e17876dc 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -216,7 +216,8 @@ static void intel_overlay_submit_request(struct intel_overlay *overlay,
 {
        GEM_BUG_ON(i915_gem_active_peek(&overlay->last_flip,
                                        &overlay->i915->drm.struct_mutex));
-        overlay->last_flip.retire = retire;
+        i915_gem_active_set_retire_fn(&overlay->last_flip, retire,
+                                      &overlay->i915->drm.struct_mutex);
        i915_gem_active_set(&overlay->last_flip, req);
        i915_add_request(req);
 }
@@ -839,8 +840,8 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
        if (ret)
                goto out_unpin;
-        i915_gem_track_fb(overlay->vma->obj, new_bo,
+        i915_gem_track_fb(overlay->vma ? overlay->vma->obj : NULL,
-                          INTEL_FRONTBUFFER_OVERLAY(pipe));
+                          vma->obj, INTEL_FRONTBUFFER_OVERLAY(pipe));
        overlay->old_vma = overlay->vma;
        overlay->vma = vma;
@@ -1430,6 +1431,8 @@ void intel_setup_overlay(struct drm_i915_private *dev_priv)
        overlay->contrast = 75;
        overlay->saturation = 146;
+        init_request_active(&overlay->last_flip, NULL);
        regs = intel_overlay_map_regs(overlay);
        if (!regs)
                goto out_unpin_bo;
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index d40ed9fdf68d..70b12f89a193 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -64,7 +64,8 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
 #define QUIRK_SKIP_INPUT_MAPPING        BIT(2)
 #define QUIRK_IS_MULTITOUCH             BIT(3)
-#define NOTEBOOK_QUIRKS                 QUIRK_FIX_NOTEBOOK_REPORT
+#define KEYBOARD_QUIRKS                 (QUIRK_FIX_NOTEBOOK_REPORT | \
+                                                 QUIRK_NO_INIT_REPORTS)
 #define TOUCHPAD_QUIRKS                 (QUIRK_NO_INIT_REPORTS | \
                                                 QUIRK_SKIP_INPUT_MAPPING | \
                                                 QUIRK_IS_MULTITOUCH)
@@ -170,11 +171,11 @@ static int asus_raw_event(struct hid_device *hdev,
 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
 {
+        struct input_dev *input = hi->input;
        struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
        if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
                int ret;
-                struct input_dev *input = hi->input;
                input_set_abs_params(input, ABS_MT_POSITION_X, 0, MAX_X, 0, 0);
                input_set_abs_params(input, ABS_MT_POSITION_Y, 0, MAX_Y, 0, 0);
@@ -191,10 +192,10 @@ static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
                        hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
                        return ret;
                }
-                drvdata->input = input;
        }
+        drvdata->input = input;
        return 0;
 }
@@ -286,7 +287,11 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
                goto err_stop_hw;
        }
-        drvdata->input->name = "Asus TouchPad";
+        if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
+                drvdata->input->name = "Asus TouchPad";
+        } else {
+                drvdata->input->name = "Asus Keyboard";
+        }
        if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
                ret = asus_start_multitouch(hdev);
@@ -315,7 +320,7 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 static const struct hid_device_id asus_devices[] = {
        { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
-                 USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD), NOTEBOOK_QUIRKS},
+                 USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD), KEYBOARD_QUIRKS},
        { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
                         USB_DEVICE_ID_ASUSTEK_TOUCHPAD), TOUCHPAD_QUIRKS },
        { }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index ec277b96eaa1..54bd22dc1411 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -319,6 +319,7 @@
 #define USB_VENDOR_ID_DRAGONRISE                0x0079
 #define USB_DEVICE_ID_DRAGONRISE_WIIU           0x1800
 #define USB_DEVICE_ID_DRAGONRISE_PS3            0x1801
+#define USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR     0x1803
 #define USB_DEVICE_ID_DRAGONRISE_GAMECUBE       0x1843
 #define USB_VENDOR_ID_DWAV              0x0eef
@@ -365,6 +366,9 @@
 #define USB_VENDOR_ID_FLATFROG          0x25b5
 #define USB_DEVICE_ID_MULTITOUCH_3200   0x0002
+#define USB_VENDOR_ID_FUTABA            0x0547
+#define USB_DEVICE_ID_LED_DISPLAY       0x7000
 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 5c925228847c..4ef73374a8f9 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -212,7 +212,6 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
        __s32 value;
        int ret = 0;
-        memset(buffer, 0, buffer_size);
        mutex_lock(&data->mutex);
        report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT);
        if (!report || (field_index >= report->maxfield)) {
@@ -256,6 +255,8 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
        int buffer_index = 0;
        int i;
+        memset(buffer, 0, buffer_size);
        mutex_lock(&data->mutex);
        report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT);
        if (!report || (field_index >= report->maxfield) ||
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 7687c0875395..f405b07d0381 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -1099,8 +1099,11 @@ struct sony_sc {
        u8 led_delay_on[MAX_LEDS];
        u8 led_delay_off[MAX_LEDS];
        u8 led_count;
+        bool ds4_dongle_connected;
 };
+static void sony_set_leds(struct sony_sc *sc);
 static inline void sony_schedule_work(struct sony_sc *sc)
 {
        if (!sc->defer_initialization)
@@ -1430,6 +1433,31 @@ static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
                                return -EILSEQ;
                        }
                }
+                /*
+                 * In the case of a DS4 USB dongle, bit[2] of byte 31 indicates
+                 * if a DS4 is actually connected (indicated by '0').
+                 * For non-dongle, this bit is always 0 (connected).
+                 */
+                if (sc->hdev->vendor == USB_VENDOR_ID_SONY &&
+                    sc->hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) {
+                        bool connected = (rd[31] & 0x04) ? false : true;
+                        if (!sc->ds4_dongle_connected && connected) {
+                                hid_info(sc->hdev, "DualShock 4 USB dongle: controller connected\n");
+                                sony_set_leds(sc);
+                                sc->ds4_dongle_connected = true;
+                        } else if (sc->ds4_dongle_connected && !connected) {
+                                hid_info(sc->hdev, "DualShock 4 USB dongle: controller disconnected\n");
+                                sc->ds4_dongle_connected = false;
+                                /* Return 0, so hidraw can get the report. */
+                                return 0;
+                        } else if (!sc->ds4_dongle_connected) {
+                                /* Return 0, so hidraw can get the report. */
+                                return 0;
+                        }
+                }
                dualshock4_parse_report(sc, rd, size);
        }
@@ -2390,6 +2418,12 @@ static int sony_check_add(struct sony_sc *sc)
                }
                memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
+                snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
+                        "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
+                        sc->mac_address[5], sc->mac_address[4],
+                        sc->mac_address[3], sc->mac_address[2],
+                        sc->mac_address[1], sc->mac_address[0]);
        } else if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
                        (sc->quirks & NAVIGATION_CONTROLLER_USB)) {
                buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL);
@@ -2548,7 +2582,7 @@ static int sony_input_configured(struct hid_device *hdev,
                        hid_err(sc->hdev,
                        "Unable to initialize multi-touch slots: %d\n",
                        ret);
-                        return ret;
+                        goto err_stop;
                }
                sony_init_output_report(sc, dualshock4_send_output_report);
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index b3e01c82af05..e9d6cc7cdfc5 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -83,11 +83,13 @@ static const struct hid_blacklist {
        { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
        { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
        { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3, HID_QUIRK_MULTI_INPUT },
+        { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR, HID_QUIRK_MULTI_INPUT },
        { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE, HID_QUIRK_MULTI_INPUT },
        { USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
        { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
        { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
        { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
+        { USB_VENDOR_ID_FUTABA, USB_DEVICE_ID_LED_DISPLAY, HID_QUIRK_NO_INIT_REPORTS },
        { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0A4A, HID_QUIRK_ALWAYS_POLL },
        { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A, HID_QUIRK_ALWAYS_POLL },
        { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 322ed9272811..841f2428e84a 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1036,7 +1036,7 @@ static const u8 lm90_temp_emerg_index[3] = {
 };
 static const u8 lm90_min_alarm_bits[3] = { 5, 3, 11 };
-static const u8 lm90_max_alarm_bits[3] = { 0, 4, 12 };
+static const u8 lm90_max_alarm_bits[3] = { 6, 4, 12 };
 static const u8 lm90_crit_alarm_bits[3] = { 0, 1, 9 };
 static const u8 lm90_emergency_alarm_bits[3] = { 15, 13, 14 };
 static const u8 lm90_fault_bits[3] = { 0, 2, 10 };
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index f6b6d42385e1..784670e2736b 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -353,12 +353,12 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
                                [0] = {
                                        .num = ST_ACCEL_FS_AVL_2G,
                                        .value = 0x00,
-                                        .gain = IIO_G_TO_M_S_2(1024),
+                                        .gain = IIO_G_TO_M_S_2(1000),
                                },
                                [1] = {
                                        .num = ST_ACCEL_FS_AVL_6G,
                                        .value = 0x01,
-                                        .gain = IIO_G_TO_M_S_2(340),
+                                        .gain = IIO_G_TO_M_S_2(3000),
                                },
                        },
                },
@@ -366,6 +366,14 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
                        .addr = 0x21,
                        .mask = 0x40,
                },
+                /*
+                 * Data Alignment Setting - needs to be set to get
+                 * left-justified data like all other sensors.
+                 */
+                .das = {
+                        .addr = 0x21,
+                        .mask = 0x01,
+                },
                .drdy_irq = {
                        .addr = 0x21,
                        .mask_int1 = 0x04,
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 38bc319904c4..9c8b558ba19e 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -561,7 +561,7 @@ config TI_ADS8688
 config TI_AM335X_ADC
        tristate "TI's AM335X ADC driver"
-        depends on MFD_TI_AM335X_TSCADC
+        depends on MFD_TI_AM335X_TSCADC && HAS_DMA
        select IIO_BUFFER
        select IIO_KFIFO_BUF
        help
diff --git a/drivers/iio/common/st_sensors/st_sensors_buffer.c b/drivers/iio/common/st_sensors/st_sensors_buffer.c
index fe7775bb3740..df4045203a07 100644
--- a/drivers/iio/common/st_sensors/st_sensors_buffer.c
+++ b/drivers/iio/common/st_sensors/st_sensors_buffer.c
@@ -30,7 +30,9 @@ static int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf)
        for_each_set_bit(i, indio_dev->active_scan_mask, num_data_channels) {
                const struct iio_chan_spec *channel = &indio_dev->channels[i];
-                unsigned int bytes_to_read = channel->scan_type.realbits >> 3;
+                unsigned int bytes_to_read =
+                        DIV_ROUND_UP(channel->scan_type.realbits +
+                                     channel->scan_type.shift, 8);
                unsigned int storage_bytes =
                        channel->scan_type.storagebits >> 3;
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 975a1f19f747..79c8c7cd70d5 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -401,6 +401,15 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
                        return err;
        }
+        /* set DAS */
+        if (sdata->sensor_settings->das.addr) {
+                err = st_sensors_write_data_with_mask(indio_dev,
+                                        sdata->sensor_settings->das.addr,
+                                        sdata->sensor_settings->das.mask, 1);
+                if (err < 0)
+                        return err;
+        }
        if (sdata->int_pin_open_drain) {
                dev_info(&indio_dev->dev,
                         "set interrupt line to open drain mode\n");
@@ -483,8 +492,10 @@ static int st_sensors_read_axis_data(struct iio_dev *indio_dev,
        int err;
        u8 *outdata;
        struct st_sensor_data *sdata = iio_priv(indio_dev);
-        unsigned int byte_for_channel = ch->scan_type.realbits >> 3;
+        unsigned int byte_for_channel;
+        byte_for_channel = DIV_ROUND_UP(ch->scan_type.realbits +
+                                        ch->scan_type.shift, 8);
        outdata = kmalloc(byte_for_channel, GFP_KERNEL);
        if (!outdata)
                return -ENOMEM;
diff --git a/drivers/iio/counter/104-quad-8.c b/drivers/iio/counter/104-quad-8.c
index 2d2ee353dde7..a5913e97945e 100644
--- a/drivers/iio/counter/104-quad-8.c
+++ b/drivers/iio/counter/104-quad-8.c
@@ -153,7 +153,7 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
                ior_cfg = val | priv->preset_enable[chan->channel] << 1;
                /* Load I/O control configuration */
-                outb(0x40 | ior_cfg, base_offset);
+                outb(0x40 | ior_cfg, base_offset + 1);
                return 0;
        case IIO_CHAN_INFO_SCALE:
@@ -233,7 +233,7 @@ static ssize_t quad8_read_set_to_preset_on_index(struct iio_dev *indio_dev,
        const struct quad8_iio *const priv = iio_priv(indio_dev);
        return snprintf(buf, PAGE_SIZE, "%u\n",
-                priv->preset_enable[chan->channel]);
+                !priv->preset_enable[chan->channel]);
 }
 static ssize_t quad8_write_set_to_preset_on_index(struct iio_dev *indio_dev,
@@ -241,7 +241,7 @@ static ssize_t quad8_write_set_to_preset_on_index(struct iio_dev *indio_dev,
        size_t len)
 {
        struct quad8_iio *const priv = iio_priv(indio_dev);
-        const int base_offset = priv->base + 2 * chan->channel;
+        const int base_offset = priv->base + 2 * chan->channel + 1;
        bool preset_enable;
        int ret;
        unsigned int ior_cfg;
@@ -250,6 +250,9 @@ static ssize_t quad8_write_set_to_preset_on_index(struct iio_dev *indio_dev,
        if (ret)
                return ret;
+        /* Preset enable is active low in Input/Output Control register */
+        preset_enable = !preset_enable;
        priv->preset_enable[chan->channel] = preset_enable;
        ior_cfg = priv->ab_enable[chan->channel] |
@@ -362,7 +365,7 @@ static int quad8_set_synchronous_mode(struct iio_dev *indio_dev,
        priv->synchronous_mode[chan->channel] = synchronous_mode;
        /* Load Index Control configuration to Index Control Register */
-        outb(0x40 | idr_cfg, base_offset);
+        outb(0x60 | idr_cfg, base_offset);
        return 0;
 }
@@ -444,7 +447,7 @@ static int quad8_set_index_polarity(struct iio_dev *indio_dev,
        priv->index_polarity[chan->channel] = index_polarity;
        /* Load Index Control configuration to Index Control Register */
-        outb(0x40 | idr_cfg, base_offset);
+        outb(0x60 | idr_cfg, base_offset);
        return 0;
 }
diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/bmi160_core.c
index 5355507f8fa1..c9e319bff58b 100644
--- a/drivers/iio/imu/bmi160/bmi160_core.c
+++ b/drivers/iio/imu/bmi160/bmi160_core.c
@@ -66,10 +66,8 @@
 #define BMI160_REG_DUMMY                0x7F
-#define BMI160_ACCEL_PMU_MIN_USLEEP     3200
+#define BMI160_ACCEL_PMU_MIN_USLEEP     3800
-#define BMI160_ACCEL_PMU_MAX_USLEEP     3800
+#define BMI160_GYRO_PMU_MIN_USLEEP      80000
-#define BMI160_GYRO_PMU_MIN_USLEEP      55000
-#define BMI160_GYRO_PMU_MAX_USLEEP      80000
 #define BMI160_SOFTRESET_USLEEP         1000
 #define BMI160_CHANNEL(_type, _axis, _index) {                  \
@@ -151,20 +149,9 @@ static struct bmi160_regs bmi160_regs[] = {
        },
 };
-struct bmi160_pmu_time {
+static unsigned long bmi160_pmu_time[] = {
-        unsigned long min;
+        [BMI160_ACCEL] = BMI160_ACCEL_PMU_MIN_USLEEP,
-        unsigned long max;
+        [BMI160_GYRO] = BMI160_GYRO_PMU_MIN_USLEEP,
-};
-static struct bmi160_pmu_time bmi160_pmu_time[] = {
-        [BMI160_ACCEL] = {
-                .min = BMI160_ACCEL_PMU_MIN_USLEEP,
-                .max = BMI160_ACCEL_PMU_MAX_USLEEP
-        },
-        [BMI160_GYRO] = {
-                .min = BMI160_GYRO_PMU_MIN_USLEEP,
-                .max = BMI160_GYRO_PMU_MIN_USLEEP,
-        },
 };
 struct bmi160_scale {
@@ -289,7 +276,7 @@ int bmi160_set_mode(struct bmi160_data *data, enum bmi160_sensor_type t,
        if (ret < 0)
                return ret;
-        usleep_range(bmi160_pmu_time[t].min, bmi160_pmu_time[t].max);
+        usleep_range(bmi160_pmu_time[t], bmi160_pmu_time[t] + 1000);
        return 0;
 }
diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c
index a144ca3461fc..81bd8e8da4a6 100644
--- a/drivers/iio/light/max44000.c
+++ b/drivers/iio/light/max44000.c
@@ -113,7 +113,7 @@ static const char max44000_int_time_avail_str[] =
        "0.100 "
        "0.025 "
        "0.00625 "
-        "0.001625";
+        "0.0015625";
 /* Available scales (internal to ulux) with pretty manual alignment: */
 static const int max44000_scale_avail_ulux_array[] = {
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index c8413fc120e6..7031a8dd4d14 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1682,9 +1682,19 @@ static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_att
                size += ret;
        }
+        if (mlx4_is_master(mdev->dev) && flow_type == MLX4_FS_REGULAR &&
+            flow_attr->num_of_specs == 1) {
+                struct _rule_hw *rule_header = (struct _rule_hw *)(ctrl + 1);
+                enum ib_flow_spec_type header_spec =
+                        ((union ib_flow_spec *)(flow_attr + 1))->type;
+                if (header_spec == IB_FLOW_SPEC_ETH)
+                        mlx4_handle_eth_header_mcast_prio(ctrl, rule_header);
+        }
        ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0,
                           MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
-                           MLX4_CMD_WRAPPED);
+                           MLX4_CMD_NATIVE);
        if (ret == -ENOMEM)
                pr_err("mcg table is full. Fail to register network rule.\n");
        else if (ret == -ENXIO)
@@ -1701,7 +1711,7 @@ static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id)
        int err;
        err = mlx4_cmd(dev, reg_id, 0, 0,
                       MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
-                       MLX4_CMD_WRAPPED);
+                       MLX4_CMD_NATIVE);
        if (err)
                pr_err("Fail to detach network rule. registration id = 0x%llx\n",
                       reg_id);
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 019e02707cd5..3ef0f42984f2 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1023,7 +1023,7 @@ again:
        next_tail = (tail + sizeof(*cmd)) % CMD_BUFFER_SIZE;
        left      = (head - next_tail) % CMD_BUFFER_SIZE;
-        if (left <= 2) {
+        if (left <= 0x20) {
                struct iommu_cmd sync_cmd;
                int ret;
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index a88576d50740..8ccbd7023194 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -903,8 +903,10 @@ int __init detect_intel_iommu(void)
                x86_init.iommu.iommu_init = intel_iommu_init;
 #endif
-        acpi_put_table(dmar_tbl);
+        if (dmar_tbl) {
-        dmar_tbl = NULL;
+                acpi_put_table(dmar_tbl);
+                dmar_tbl = NULL;
+        }
        up_write(&dmar_global_lock);
        return ret ? 1 : -ENODEV;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c66c273dfd8a..8a185250ae5a 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2037,6 +2037,25 @@ static int domain_context_mapping_one(struct dmar_domain *domain,
        if (context_present(context))
                goto out_unlock;
+        /*
+         * For kdump cases, old valid entries may be cached due to the
+         * in-flight DMA and copied pgtable, but there is no unmapping
+         * behaviour for them, thus we need an explicit cache flush for
+         * the newly-mapped device. For kdump, at this point, the device
+         * is supposed to finish reset at its driver probe stage, so no
+         * in-flight DMA will exist, and we don't need to worry anymore
+         * hereafter.
+         */
+        if (context_copied(context)) {
+                u16 did_old = context_domain_id(context);
+                if (did_old >= 0 && did_old < cap_ndoms(iommu->cap))
+                        iommu->flush.flush_context(iommu, did_old,
+                                                   (((u16)bus) << 8) | devfn,
+                                                   DMA_CCMD_MASK_NOBIT,
+                                                   DMA_CCMD_DEVICE_INVL);
+        }
        pgd = domain->pgd;
        context_clear_entry(context);
@@ -5185,6 +5204,25 @@ static void intel_iommu_remove_device(struct device *dev)
 }
 #ifdef CONFIG_INTEL_IOMMU_SVM
+#define MAX_NR_PASID_BITS (20)
+static inline unsigned long intel_iommu_get_pts(struct intel_iommu *iommu)
+{
+        /*
+         * Convert ecap_pss to extend context entry pts encoding, also
+         * respect the soft pasid_max value set by the iommu.
+         * - number of PASID bits = ecap_pss + 1
+         * - number of PASID table entries = 2^(pts + 5)
+         * Therefore, pts = ecap_pss - 4
+         * e.g. KBL ecap_pss = 0x13, PASID has 20 bits, pts = 15
+         */
+        if (ecap_pss(iommu->ecap) < 5)
+                return 0;
+        /* pasid_max is encoded as actual number of entries not the bits */
+        return find_first_bit((unsigned long *)&iommu->pasid_max,
+                        MAX_NR_PASID_BITS) - 5;
+}
 int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sdev)
 {
        struct device_domain_info *info;
@@ -5217,7 +5255,9 @@ int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sd
        if (!(ctx_lo & CONTEXT_PASIDE)) {
                context[1].hi = (u64)virt_to_phys(iommu->pasid_state_table);
-                context[1].lo = (u64)virt_to_phys(iommu->pasid_table) | ecap_pss(iommu->ecap);
+                context[1].lo = (u64)virt_to_phys(iommu->pasid_table) |
+                        intel_iommu_get_pts(iommu);
                wmb();
                /* CONTEXT_TT_MULTI_LEVEL and CONTEXT_TT_DEV_IOTLB are both
                 * extended to permit requests-with-PASID if the PASIDE bit
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 0037153c80a6..2d9c5dd06e42 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -450,7 +450,7 @@ bool mei_cldev_enabled(struct mei_cl_device *cldev)
 EXPORT_SYMBOL_GPL(mei_cldev_enabled);
 /**
- * mei_cldev_enable_device - enable me client device
+ * mei_cldev_enable - enable me client device
 *     create connection with me client
 *
 * @cldev: me client device
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 391936c1aa04..b0395601c6ae 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -1541,7 +1541,7 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
        rets = first_chunk ? mei_cl_tx_flow_ctrl_creds(cl) : 1;
        if (rets < 0)
-                return rets;
+                goto err;
        if (rets == 0) {
                cl_dbg(dev, cl, "No flow control credentials: not sending.\n");
@@ -1575,11 +1575,8 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
                        cb->buf.size, cb->buf_idx);
        rets = mei_write_message(dev, &mei_hdr, buf->data + cb->buf_idx);
-        if (rets) {
+        if (rets)
-                cl->status = rets;
+                goto err;
-                list_move_tail(&cb->list, &cmpl_list->list);
-                return rets;
-        }
        cl->status = 0;
        cl->writing_state = MEI_WRITING;
@@ -1587,14 +1584,21 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
        cb->completed = mei_hdr.msg_complete == 1;
        if (first_chunk) {
-                if (mei_cl_tx_flow_ctrl_creds_reduce(cl))
+                if (mei_cl_tx_flow_ctrl_creds_reduce(cl)) {
-                        return -EIO;
+                        rets = -EIO;
+                        goto err;
+                }
        }
        if (mei_hdr.msg_complete)
                list_move_tail(&cb->list, &dev->write_waiting_list.list);
        return 0;
+err:
+        cl->status = rets;
+        list_move_tail(&cb->list, &cmpl_list->list);
+        return rets;
 }
 /**
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 25d1eb4933d0..7e8cf213fd81 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1012,15 +1012,6 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb,
                goto out;
        }
-        /* Insert TSB and checksum infos */
-        if (priv->tsb_en) {
-                skb = bcm_sysport_insert_tsb(skb, dev);
-                if (!skb) {
-                        ret = NETDEV_TX_OK;
-                        goto out;
-                }
-        }
        /* The Ethernet switch we are interfaced with needs packets to be at
         * least 64 bytes (including FCS) otherwise they will be discarded when
         * they enter the switch port logic. When Broadcom tags are enabled, we
@@ -1028,13 +1019,21 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb,
         * (including FCS and tag) because the length verification is done after
         * the Broadcom tag is stripped off the ingress packet.
         */
-        if (skb_padto(skb, ETH_ZLEN + ENET_BRCM_TAG_LEN)) {
+        if (skb_put_padto(skb, ETH_ZLEN + ENET_BRCM_TAG_LEN)) {
                ret = NETDEV_TX_OK;
                goto out;
        }
-        skb_len = skb->len < ETH_ZLEN + ENET_BRCM_TAG_LEN ?
+        /* Insert TSB and checksum infos */
-                        ETH_ZLEN + ENET_BRCM_TAG_LEN : skb->len;
+        if (priv->tsb_en) {
+                skb = bcm_sysport_insert_tsb(skb, dev);
+                if (!skb) {
+                        ret = NETDEV_TX_OK;
+                        goto out;
+                }
+        }
+        skb_len = skb->len;
        mapping = dma_map_single(kdev, skb->data, skb_len, DMA_TO_DEVICE);
        if (dma_mapping_error(kdev, mapping)) {
diff --git a/drivers/net/ethernet/cadence/macb_pci.c b/drivers/net/ethernet/cadence/macb_pci.c
index 92be2cd8f817..9906fda76087 100644
--- a/drivers/net/ethernet/cadence/macb_pci.c
+++ b/drivers/net/ethernet/cadence/macb_pci.c
@@ -1,5 +1,5 @@
 /**
- * macb_pci.c - Cadence GEM PCI wrapper.
+ * Cadence GEM PCI wrapper.
 *
 * Copyright (C) 2016 Cadence Design Systems - http://www.cadence.com
 *
@@ -45,32 +45,27 @@ static int macb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        struct macb_platform_data plat_data;
        struct resource res[2];
-        /* sanity check */
-        if (!id)
-                return -EINVAL;
        /* enable pci device */
-        err = pci_enable_device(pdev);
+        err = pcim_enable_device(pdev);
        if (err < 0) {
-                dev_err(&pdev->dev, "Enabling PCI device has failed: 0x%04X",
+                dev_err(&pdev->dev, "Enabling PCI device has failed: %d", err);
-                        err);
+                return err;
-                return -EACCES;
        }
        pci_set_master(pdev);
        /* set up resources */
        memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res));
-        res[0].start = pdev->resource[0].start;
+        res[0].start = pci_resource_start(pdev, 0);
-        res[0].end = pdev->resource[0].end;
+        res[0].end = pci_resource_end(pdev, 0);
        res[0].name = PCI_DRIVER_NAME;
        res[0].flags = IORESOURCE_MEM;
-        res[1].start = pdev->irq;
+        res[1].start = pci_irq_vector(pdev, 0);
        res[1].name = PCI_DRIVER_NAME;
        res[1].flags = IORESOURCE_IRQ;
-        dev_info(&pdev->dev, "EMAC physical base addr = 0x%p\n",
+        dev_info(&pdev->dev, "EMAC physical base addr: %pa\n",
-                 (void *)(uintptr_t)pci_resource_start(pdev, 0));
+                 &res[0].start);
        /* set up macb platform data */
        memset(&plat_data, 0, sizeof(plat_data));
@@ -100,7 +95,7 @@ static int macb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        plat_info.num_res = ARRAY_SIZE(res);
        plat_info.data = &plat_data;
        plat_info.size_data = sizeof(plat_data);
-        plat_info.dma_mask = DMA_BIT_MASK(32);
+        plat_info.dma_mask = pdev->dma_mask;
        /* register platform device */
        plat_dev = platform_device_register_full(&plat_info);
@@ -120,7 +115,6 @@ err_hclk_register:
        clk_unregister(plat_data.pclk);
 err_pclk_register:
-        pci_disable_device(pdev);
        return err;
 }
@@ -130,7 +124,6 @@ static void macb_remove(struct pci_dev *pdev)
        struct macb_platform_data *plat_data = dev_get_platdata(&plat_dev->dev);
        platform_device_unregister(plat_dev);
-        pci_disable_device(pdev);
        clk_unregister(plat_data->pclk);
        clk_unregister(plat_data->hclk);
 }
diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
index bbc8bd16cb97..dcbce6cac63e 100644
--- a/drivers/net/ethernet/cavium/Kconfig
+++ b/drivers/net/ethernet/cavium/Kconfig
@@ -77,7 +77,7 @@ config OCTEON_MGMT_ETHERNET
 config LIQUIDIO_VF
        tristate "Cavium LiquidIO VF support"
        depends on 64BIT && PCI_MSI
-        select PTP_1588_CLOCK
+        imply PTP_1588_CLOCK
        ---help---
          This driver supports Cavium LiquidIO Intelligent Server Adapter
          based on CN23XX chips.
diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c
index 0f0de5b63622..d04a6c163445 100644
--- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c
+++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c
@@ -133,17 +133,15 @@ cxgb_find_route6(struct cxgb4_lld_info *lldi,
                if (ipv6_addr_type(&fl6.daddr) & IPV6_ADDR_LINKLOCAL)
                        fl6.flowi6_oif = sin6_scope_id;
                dst = ip6_route_output(&init_net, NULL, &fl6);
-                if (!dst)
+                if (dst->error ||
-                        goto out;
+                    (!cxgb_our_interface(lldi, get_real_dev,
-                if (!cxgb_our_interface(lldi, get_real_dev,
+                                         ip6_dst_idev(dst)->dev) &&
-                                        ip6_dst_idev(dst)->dev) &&
+                     !(ip6_dst_idev(dst)->dev->flags & IFF_LOOPBACK))) {
-                    !(ip6_dst_idev(dst)->dev->flags & IFF_LOOPBACK)) {
                        dst_release(dst);
-                        dst = NULL;
+                        return NULL;
                }
        }
-out:
        return dst;
 }
 EXPORT_SYMBOL(cxgb_find_route6);
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 7e1633bf5a22..225e9a4877d7 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -5155,7 +5155,9 @@ static netdev_features_t be_features_check(struct sk_buff *skb,
            skb->inner_protocol_type != ENCAP_TYPE_ETHER ||
            skb->inner_protocol != htons(ETH_P_TEB) ||
            skb_inner_mac_header(skb) - skb_transport_header(skb) !=
-            sizeof(struct udphdr) + sizeof(struct vxlanhdr))
+                sizeof(struct udphdr) + sizeof(struct vxlanhdr) ||
+            !adapter->vxlan_port ||
+            udp_hdr(skb)->dest != adapter->vxlan_port)
                return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
        return features;
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 624ba9058dc4..c9b7ad65e563 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -733,6 +733,7 @@ static int dpaa_eth_cgr_init(struct dpaa_priv *priv)
        priv->cgr_data.cgr.cb = dpaa_eth_cgscn;
        /* Enable Congestion State Change Notifications and CS taildrop */
+        memset(&initcgr, 0, sizeof(initcgr));
        initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CSCN_EN | QM_CGR_WE_CS_THRES);
        initcgr.cgr.cscn_en = QM_CGR_EN;
@@ -2291,7 +2292,8 @@ static int dpaa_open(struct net_device *net_dev)
        net_dev->phydev = mac_dev->init_phy(net_dev, priv->mac_dev);
        if (!net_dev->phydev) {
                netif_err(priv, ifup, net_dev, "init_phy() failed\n");
-                return -ENODEV;
+                err = -ENODEV;
+                goto phy_init_failed;
        }
        for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) {
@@ -2314,6 +2316,7 @@ mac_start_failed:
        for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++)
                fman_port_disable(mac_dev->port[i]);
+phy_init_failed:
        dpaa_eth_napi_disable(priv);
        return err;
@@ -2420,6 +2423,7 @@ static int dpaa_ingress_cgr_init(struct dpaa_priv *priv)
        }
        /* Enable CS TD, but disable Congestion State Change Notifications. */
+        memset(&initcgr, 0, sizeof(initcgr));
        initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CS_THRES);
        initcgr.cgr.cscn_en = QM_CGR_EN;
        cs_th = DPAA_INGRESS_CS_THRESHOLD;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 015198c14fa8..504461a464c5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -245,13 +245,9 @@ static u32 freq_to_shift(u16 freq)
 {
        u32 freq_khz = freq * 1000;
        u64 max_val_cycles = freq_khz * 1000 * MLX4_EN_WRAP_AROUND_SEC;
-        u64 tmp_rounded =
+        u64 max_val_cycles_rounded = 1ULL << fls64(max_val_cycles - 1);
-                roundup_pow_of_two(max_val_cycles) > max_val_cycles ?
-                roundup_pow_of_two(max_val_cycles) - 1 : UINT_MAX;
-        u64 max_val_cycles_rounded = is_power_of_2(max_val_cycles + 1) ?
-                max_val_cycles : tmp_rounded;
        /* calculate max possible multiplier in order to fit in 64bit */
-        u64 max_mul = div_u64(0xffffffffffffffffULL, max_val_cycles_rounded);
+        u64 max_mul = div64_u64(ULLONG_MAX, max_val_cycles_rounded);
        /* This comes from the reverse of clocksource_khz2mult */
        return ilog2(div_u64(max_mul * freq_khz, 1000000));
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 3c37e216bbf3..eac527e25ec9 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -445,8 +445,14 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv)
                ring->cqn = priv->rx_cq[ring_ind]->mcq.cqn;
                ring->stride = stride;
-                if (ring->stride <= TXBB_SIZE)
+                if (ring->stride <= TXBB_SIZE) {
+                        /* Stamp first unused send wqe */
+                        __be32 *ptr = (__be32 *)ring->buf;
+                        __be32 stamp = cpu_to_be32(1 << STAMP_SHIFT);
+                        *ptr = stamp;
+                        /* Move pointer to start of rx section */
                        ring->buf += TXBB_SIZE;
+                }
                ring->log_stride = ffs(ring->stride) - 1;
                ring->buf_size = ring->size * ring->stride;
diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c
index 2a9dd460a95f..e1f9e7cebf8f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/icm.c
+++ b/drivers/net/ethernet/mellanox/mlx4/icm.c
@@ -118,8 +118,13 @@ static int mlx4_alloc_icm_coherent(struct device *dev, struct scatterlist *mem,
        if (!buf)
                return -ENOMEM;
+        if (offset_in_page(buf)) {
+                dma_free_coherent(dev, PAGE_SIZE << order,
+                                  buf, sg_dma_address(mem));
+                return -ENOMEM;
+        }
        sg_set_buf(mem, buf, PAGE_SIZE << order);
-        BUG_ON(mem->offset);
        sg_dma_len(mem) = PAGE_SIZE << order;
        return 0;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 5e7840a7a33b..bffa6f345f2f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -42,6 +42,7 @@
 #include <linux/io-mapping.h>
 #include <linux/delay.h>
 #include <linux/kmod.h>
+#include <linux/etherdevice.h>
 #include <net/devlink.h>
 #include <linux/mlx4/device.h>
@@ -782,6 +783,23 @@ int mlx4_is_slave_active(struct mlx4_dev *dev, int slave)
 }
 EXPORT_SYMBOL(mlx4_is_slave_active);
+void mlx4_handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl,
+                                       struct _rule_hw *eth_header)
+{
+        if (is_multicast_ether_addr(eth_header->eth.dst_mac) ||
+            is_broadcast_ether_addr(eth_header->eth.dst_mac)) {
+                struct mlx4_net_trans_rule_hw_eth *eth =
+                        (struct mlx4_net_trans_rule_hw_eth *)eth_header;
+                struct _rule_hw *next_rule = (struct _rule_hw *)(eth + 1);
+                bool last_rule = next_rule->size == 0 && next_rule->id == 0 &&
+                        next_rule->rsvd == 0;
+                if (last_rule)
+                        ctrl->prio = cpu_to_be16(MLX4_DOMAIN_NIC);
+        }
+}
+EXPORT_SYMBOL(mlx4_handle_eth_header_mcast_prio);
 static void slave_adjust_steering_mode(struct mlx4_dev *dev,
                                       struct mlx4_dev_cap *dev_cap,
                                       struct mlx4_init_hca_param *hca_param)
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index c548beaaf910..56185a0b827d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -4164,22 +4164,6 @@ static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header,
        return 0;
 }
-static void handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl,
-                                         struct _rule_hw *eth_header)
-{
-        if (is_multicast_ether_addr(eth_header->eth.dst_mac) ||
-            is_broadcast_ether_addr(eth_header->eth.dst_mac)) {
-                struct mlx4_net_trans_rule_hw_eth *eth =
-                        (struct mlx4_net_trans_rule_hw_eth *)eth_header;
-                struct _rule_hw *next_rule = (struct _rule_hw *)(eth + 1);
-                bool last_rule = next_rule->size == 0 && next_rule->id == 0 &&
-                        next_rule->rsvd == 0;
-                if (last_rule)
-                        ctrl->prio = cpu_to_be16(MLX4_DOMAIN_NIC);
-        }
-}
 /*
 * In case of missing eth header, append eth header with a MAC address
 * assigned to the VF.
@@ -4363,10 +4347,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
        header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id));
        if (header_id == MLX4_NET_TRANS_RULE_ID_ETH)
-                handle_eth_header_mcast_prio(ctrl, rule_header);
+                mlx4_handle_eth_header_mcast_prio(ctrl, rule_header);
-        if (slave == dev->caps.function)
-                goto execute;
        switch (header_id) {
        case MLX4_NET_TRANS_RULE_ID_ETH:
@@ -4394,7 +4375,6 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
                goto err_put_qp;
        }
-execute:
        err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param,
                           vhcr->in_modifier, 0,
                           MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
@@ -4473,6 +4453,7 @@ int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
        struct res_qp *rqp;
        struct res_fs_rule *rrule;
        u64 mirr_reg_id;
+        int qpn;
        if (dev->caps.steering_mode !=
            MLX4_STEERING_MODE_DEVICE_MANAGED)
@@ -4489,10 +4470,11 @@ int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
        }
        mirr_reg_id = rrule->mirr_rule_id;
        kfree(rrule->mirr_mbox);
+        qpn = rrule->qpn;
        /* Release the rule form busy state before removal */
        put_res(dev, slave, vhcr->in_param, RES_FS_RULE);
-        err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp);
+        err = get_res(dev, slave, qpn, RES_QP, &rqp);
        if (err)
                return err;
@@ -4517,7 +4499,7 @@ int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
        if (!err)
                atomic_dec(&rqp->ref_count);
 out:
-        put_res(dev, slave, rrule->qpn, RES_QP);
+        put_res(dev, slave, qpn, RES_QP);
        return err;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index 7f6c225666c1..f0b460f47f29 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -723,6 +723,9 @@ static void mlx5e_ets_init(struct mlx5e_priv *priv)
        int i;
        struct ieee_ets ets;
+        if (!MLX5_CAP_GEN(priv->mdev, ets))
+                return;
        memset(&ets, 0, sizeof(ets));
        ets.ets_cap = mlx5_max_tc(priv->mdev) + 1;
        for (i = 0; i < ets.ets_cap; i++) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 352462af8d51..33a399a8b5d5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -171,7 +171,6 @@ static int mlx5e_get_sset_count(struct net_device *dev, int sset)
                return NUM_SW_COUNTERS +
                       MLX5E_NUM_Q_CNTRS(priv) +
                       NUM_VPORT_COUNTERS + NUM_PPORT_COUNTERS +
-                       NUM_PCIE_COUNTERS +
                       MLX5E_NUM_RQ_STATS(priv) +
                       MLX5E_NUM_SQ_STATS(priv) +
                       MLX5E_NUM_PFC_COUNTERS(priv) +
@@ -219,14 +218,6 @@ static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data)
                strcpy(data + (idx++) * ETH_GSTRING_LEN,
                       pport_2819_stats_desc[i].format);
-        for (i = 0; i < NUM_PCIE_PERF_COUNTERS; i++)
-                strcpy(data + (idx++) * ETH_GSTRING_LEN,
-                       pcie_perf_stats_desc[i].format);
-        for (i = 0; i < NUM_PCIE_TAS_COUNTERS; i++)
-                strcpy(data + (idx++) * ETH_GSTRING_LEN,
-                       pcie_tas_stats_desc[i].format);
        for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
                for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
                        sprintf(data + (idx++) * ETH_GSTRING_LEN,
@@ -339,14 +330,6 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev,
                data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2819_counters,
                                                  pport_2819_stats_desc, i);
-        for (i = 0; i < NUM_PCIE_PERF_COUNTERS; i++)
-                data[idx++] = MLX5E_READ_CTR32_BE(&priv->stats.pcie.pcie_perf_counters,
-                                                  pcie_perf_stats_desc, i);
-        for (i = 0; i < NUM_PCIE_TAS_COUNTERS; i++)
-                data[idx++] = MLX5E_READ_CTR32_BE(&priv->stats.pcie.pcie_tas_counters,
-                                                  pcie_tas_stats_desc, i);
        for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
                for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
                        data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio],
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
index 3691451c728c..d088effd7160 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
@@ -247,6 +247,7 @@ static int set_flow_attrs(u32 *match_c, u32 *match_v,
        }
        if (fs->flow_type & FLOW_MAC_EXT &&
            !is_zero_ether_addr(fs->m_ext.h_dest)) {
+                mask_spec(fs->m_ext.h_dest, fs->h_ext.h_dest, ETH_ALEN);
                ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4,
                                             outer_headers_c, dmac_47_16),
                                fs->m_ext.h_dest);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index cbfa38fc72c0..1236b27b1493 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -291,36 +291,12 @@ static void mlx5e_update_q_counter(struct mlx5e_priv *priv)
                                      &qcnt->rx_out_of_buffer);
 }
-static void mlx5e_update_pcie_counters(struct mlx5e_priv *priv)
-{
-        struct mlx5e_pcie_stats *pcie_stats = &priv->stats.pcie;
-        struct mlx5_core_dev *mdev = priv->mdev;
-        int sz = MLX5_ST_SZ_BYTES(mpcnt_reg);
-        void *out;
-        u32 *in;
-        in = mlx5_vzalloc(sz);
-        if (!in)
-                return;
-        out = pcie_stats->pcie_perf_counters;
-        MLX5_SET(mpcnt_reg, in, grp, MLX5_PCIE_PERFORMANCE_COUNTERS_GROUP);
-        mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_MPCNT, 0, 0);
-        out = pcie_stats->pcie_tas_counters;
-        MLX5_SET(mpcnt_reg, in, grp, MLX5_PCIE_TIMERS_AND_STATES_COUNTERS_GROUP);
-        mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_MPCNT, 0, 0);
-        kvfree(in);
-}
 void mlx5e_update_stats(struct mlx5e_priv *priv)
 {
        mlx5e_update_q_counter(priv);
        mlx5e_update_vport_counters(priv);
        mlx5e_update_pport_counters(priv);
        mlx5e_update_sw_counters(priv);
-        mlx5e_update_pcie_counters(priv);
 }
 void mlx5e_update_stats_work(struct work_struct *work)
@@ -3805,14 +3781,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
        mlx5_lag_add(mdev, netdev);
-        if (mlx5e_vxlan_allowed(mdev)) {
-                rtnl_lock();
-                udp_tunnel_get_rx_info(netdev);
-                rtnl_unlock();
-        }
        mlx5e_enable_async_events(priv);
-        queue_work(priv->wq, &priv->set_rx_mode_work);
        if (MLX5_CAP_GEN(mdev, vport_group_manager)) {
                mlx5_query_nic_vport_mac_address(mdev, 0, rep.hw_id);
@@ -3822,6 +3791,18 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
                rep.netdev = netdev;
                mlx5_eswitch_register_vport_rep(esw, 0, &rep);
        }
+        if (netdev->reg_state != NETREG_REGISTERED)
+                return;
+        /* Device already registered: sync netdev system state */
+        if (mlx5e_vxlan_allowed(mdev)) {
+                rtnl_lock();
+                udp_tunnel_get_rx_info(netdev);
+                rtnl_unlock();
+        }
+        queue_work(priv->wq, &priv->set_rx_mode_work);
 }
 static void mlx5e_nic_disable(struct mlx5e_priv *priv)
@@ -3966,10 +3947,6 @@ void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev)
        const struct mlx5e_profile *profile = priv->profile;
        set_bit(MLX5E_STATE_DESTROYING, &priv->state);
-        if (profile->disable)
-                profile->disable(priv);
-        flush_workqueue(priv->wq);
        rtnl_lock();
        if (netif_running(netdev))
@@ -3977,6 +3954,10 @@ void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev)
        netif_device_detach(netdev);
        rtnl_unlock();
+        if (profile->disable)
+                profile->disable(priv);
+        flush_workqueue(priv->wq);
        mlx5e_destroy_q_counter(priv);
        profile->cleanup_rx(priv);
        mlx5e_close_drop_rq(priv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
index f202f872f57f..ba5db1dd23a9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
@@ -39,7 +39,7 @@
 #define MLX5E_READ_CTR32_CPU(ptr, dsc, i) \
        (*(u32 *)((char *)ptr + dsc[i].offset))
 #define MLX5E_READ_CTR32_BE(ptr, dsc, i) \
-        be32_to_cpu(*(__be32 *)((char *)ptr + dsc[i].offset))
+        be64_to_cpu(*(__be32 *)((char *)ptr + dsc[i].offset))
 #define MLX5E_DECLARE_STAT(type, fld) #fld, offsetof(type, fld)
 #define MLX5E_DECLARE_RX_STAT(type, fld) "rx%d_"#fld, offsetof(type, fld)
@@ -276,32 +276,6 @@ static const struct counter_desc pport_per_prio_pfc_stats_desc[] = {
        { "rx_%s_pause_transition", PPORT_PER_PRIO_OFF(rx_pause_transition) },
 };
-#define PCIE_PERF_OFF(c) \
-        MLX5_BYTE_OFF(mpcnt_reg, counter_set.pcie_perf_cntrs_grp_data_layout.c)
-#define PCIE_PERF_GET(pcie_stats, c) \
-        MLX5_GET(mpcnt_reg, pcie_stats->pcie_perf_counters, \
-                 counter_set.pcie_perf_cntrs_grp_data_layout.c)
-#define PCIE_TAS_OFF(c) \
-        MLX5_BYTE_OFF(mpcnt_reg, counter_set.pcie_tas_cntrs_grp_data_layout.c)
-#define PCIE_TAS_GET(pcie_stats, c) \
-        MLX5_GET(mpcnt_reg, pcie_stats->pcie_tas_counters, \
-                 counter_set.pcie_tas_cntrs_grp_data_layout.c)
-struct mlx5e_pcie_stats {
-        __be64 pcie_perf_counters[MLX5_ST_SZ_QW(mpcnt_reg)];
-        __be64 pcie_tas_counters[MLX5_ST_SZ_QW(mpcnt_reg)];
-};
-static const struct counter_desc pcie_perf_stats_desc[] = {
-        { "rx_pci_signal_integrity", PCIE_PERF_OFF(rx_errors) },
-        { "tx_pci_signal_integrity", PCIE_PERF_OFF(tx_errors) },
-};
-static const struct counter_desc pcie_tas_stats_desc[] = {
-        { "tx_pci_transport_nonfatal_msg", PCIE_TAS_OFF(non_fatal_err_msg_sent) },
-        { "tx_pci_transport_fatal_msg", PCIE_TAS_OFF(fatal_err_msg_sent) },
-};
 struct mlx5e_rq_stats {
        u64 packets;
        u64 bytes;
@@ -386,8 +360,6 @@ static const struct counter_desc sq_stats_desc[] = {
 #define NUM_PPORT_802_3_COUNTERS        ARRAY_SIZE(pport_802_3_stats_desc)
 #define NUM_PPORT_2863_COUNTERS         ARRAY_SIZE(pport_2863_stats_desc)
 #define NUM_PPORT_2819_COUNTERS         ARRAY_SIZE(pport_2819_stats_desc)
-#define NUM_PCIE_PERF_COUNTERS          ARRAY_SIZE(pcie_perf_stats_desc)
-#define NUM_PCIE_TAS_COUNTERS           ARRAY_SIZE(pcie_tas_stats_desc)
 #define NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS \
        ARRAY_SIZE(pport_per_prio_traffic_stats_desc)
 #define NUM_PPORT_PER_PRIO_PFC_COUNTERS \
@@ -397,7 +369,6 @@ static const struct counter_desc sq_stats_desc[] = {
                                         NUM_PPORT_2819_COUNTERS  + \
                                         NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS * \
                                         NUM_PPORT_PRIO)
-#define NUM_PCIE_COUNTERS               (NUM_PCIE_PERF_COUNTERS + NUM_PCIE_TAS_COUNTERS)
 #define NUM_RQ_STATS                    ARRAY_SIZE(rq_stats_desc)
 #define NUM_SQ_STATS                    ARRAY_SIZE(sq_stats_desc)
@@ -406,7 +377,6 @@ struct mlx5e_stats {
        struct mlx5e_qcounter_stats qcnt;
        struct mlx5e_vport_stats vport;
        struct mlx5e_pport_stats pport;
-        struct mlx5e_pcie_stats pcie;
        struct rtnl_link_stats64 vf_vport;
 };
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index d6807c3cc461..f14d9c9ba773 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1860,7 +1860,7 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
        if (!ESW_ALLOWED(esw))
                return -EPERM;
-        if (!LEGAL_VPORT(esw, vport))
+        if (!LEGAL_VPORT(esw, vport) || is_multicast_ether_addr(mac))
                return -EINVAL;
        mutex_lock(&esw->state_lock);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 466e161010f7..03293ed1cc22 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -695,6 +695,12 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int nvports)
                if (err)
                        goto err_reps;
        }
+        /* disable PF RoCE so missed packets don't go through RoCE steering */
+        mlx5_dev_list_lock();
+        mlx5_remove_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
+        mlx5_dev_list_unlock();
        return 0;
 err_reps:
@@ -718,6 +724,11 @@ static int esw_offloads_stop(struct mlx5_eswitch *esw)
 {
        int err, err1, num_vfs = esw->dev->priv.sriov.num_vfs;
+        /* enable back PF RoCE */
+        mlx5_dev_list_lock();
+        mlx5_add_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
+        mlx5_dev_list_unlock();
        mlx5_eswitch_disable_sriov(esw);
        err = mlx5_eswitch_enable_sriov(esw, num_vfs, SRIOV_LEGACY);
        if (err) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index a263d8904a4c..0ac7a2fc916c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1263,6 +1263,7 @@ static struct mlx5_flow_handle *add_rule_fg(struct mlx5_flow_group *fg,
        nested_lock_ref_node(&fte->node, FS_MUTEX_CHILD);
        handle = add_rule_fte(fte, fg, dest, dest_num, false);
        if (IS_ERR(handle)) {
+                unlock_ref_node(&fte->node);
                kfree(fte);
                goto unlock_fg;
        }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 54e5a786f191..6547f22e6b9b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -503,6 +503,13 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
        MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size,
                 to_fw_pkey_sz(dev, 128));
+        /* Check log_max_qp from HCA caps to set in current profile */
+        if (MLX5_CAP_GEN_MAX(dev, log_max_qp) < profile[prof_sel].log_max_qp) {
+                mlx5_core_warn(dev, "log_max_qp value in current profile is %d, changing it to HCA capability limit (%d)\n",
+                               profile[prof_sel].log_max_qp,
+                               MLX5_CAP_GEN_MAX(dev, log_max_qp));
+                profile[prof_sel].log_max_qp = MLX5_CAP_GEN_MAX(dev, log_max_qp);
+        }
        if (prof->mask & MLX5_PROF_MASK_QP_SIZE)
                MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp,
                         prof->log_max_qp);
@@ -575,7 +582,6 @@ static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i)
        struct mlx5_priv *priv  = &mdev->priv;
        struct msix_entry *msix = priv->msix_arr;
        int irq                 = msix[i + MLX5_EQ_VEC_COMP_BASE].vector;
-        int numa_node           = priv->numa_node;
        int err;
        if (!zalloc_cpumask_var(&priv->irq_info[i].mask, GFP_KERNEL)) {
@@ -583,7 +589,7 @@ static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i)
                return -ENOMEM;
        }
-        cpumask_set_cpu(cpumask_local_spread(i, numa_node),
+        cpumask_set_cpu(cpumask_local_spread(i, priv->numa_node),
                        priv->irq_info[i].mask);
        err = irq_set_affinity_hint(irq, priv->irq_info[i].mask);
@@ -1189,6 +1195,8 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 {
        int err = 0;
+        mlx5_drain_health_wq(dev);
        mutex_lock(&dev->intf_state_mutex);
        if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) {
                dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n",
@@ -1351,10 +1359,9 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev,
        mlx5_enter_error_state(dev);
        mlx5_unload_one(dev, priv, false);
-        /* In case of kernel call save the pci state and drain health wq */
+        /* In case of kernel call save the pci state */
        if (state) {
                pci_save_state(pdev);
-                mlx5_drain_health_wq(dev);
                mlx5_pci_disable_device(dev);
        }
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index f341c1bc7001..00fafabab1d0 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -819,6 +819,7 @@ static struct sh_eth_cpu_data sh7734_data = {
        .tsu            = 1,
        .hw_crc         = 1,
        .select_mii     = 1,
+        .shift_rd0      = 1,
 };
 /* SH7763 */
@@ -1656,7 +1657,7 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev)
        else
                goto out;
-        if (!likely(mdp->irq_enabled)) {
+        if (unlikely(!mdp->irq_enabled)) {
                sh_eth_write(ndev, 0, EESIPR);
                goto out;
        }
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index de2947ccc5ad..5eb0e684fd76 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1323,7 +1323,8 @@ static int efx_ef10_init_nic(struct efx_nic *efx)
        }
        /* don't fail init if RSS setup doesn't work */
-        efx->type->rx_push_rss_config(efx, false, efx->rx_indir_table);
+        rc = efx->type->rx_push_rss_config(efx, false, efx->rx_indir_table);
+        efx->rss_active = (rc == 0);
        return 0;
 }
diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c
index 87bdc56b4e3a..18ebaea44e82 100644
--- a/drivers/net/ethernet/sfc/ethtool.c
+++ b/drivers/net/ethernet/sfc/ethtool.c
@@ -975,6 +975,8 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
        case ETHTOOL_GRXFH: {
                info->data = 0;
+                if (!efx->rss_active) /* No RSS */
+                        return 0;
                switch (info->flow_type) {
                case UDP_V4_FLOW:
                        if (efx->rx_hash_udp_4tuple)
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 1a635ced62d0..1c62c1a00fca 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -860,6 +860,7 @@ struct vfdi_status;
 * @rx_hash_key: Toeplitz hash key for RSS
 * @rx_indir_table: Indirection table for RSS
 * @rx_scatter: Scatter mode enabled for receives
+ * @rss_active: RSS enabled on hardware
 * @rx_hash_udp_4tuple: UDP 4-tuple hashing enabled
 * @int_error_count: Number of internal errors seen recently
 * @int_error_expire: Time at which error count will be expired
@@ -998,6 +999,7 @@ struct efx_nic {
        u8 rx_hash_key[40];
        u32 rx_indir_table[128];
        bool rx_scatter;
+        bool rss_active;
        bool rx_hash_udp_4tuple;
        unsigned int_error_count;
diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c
index a3901bc96586..4e54e5dc9fcb 100644
--- a/drivers/net/ethernet/sfc/siena.c
+++ b/drivers/net/ethernet/sfc/siena.c
@@ -403,6 +403,7 @@ static int siena_init_nic(struct efx_nic *efx)
        efx_writeo(efx, &temp, FR_AZ_RX_CFG);
        siena_rx_push_rss_config(efx, false, efx->rx_indir_table);
+        efx->rss_active = true;
        /* Enable event logging */
        rc = efx_mcdi_log_ctrl(efx, true, false, 0);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
index c35597586121..3dc7d279f805 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
@@ -60,8 +60,9 @@ struct oxnas_dwmac {
        struct regmap   *regmap;
 };
-static int oxnas_dwmac_init(struct oxnas_dwmac *dwmac)
+static int oxnas_dwmac_init(struct platform_device *pdev, void *priv)
 {
+        struct oxnas_dwmac *dwmac = priv;
        unsigned int value;
        int ret;
@@ -105,20 +106,20 @@ static int oxnas_dwmac_init(struct oxnas_dwmac *dwmac)
        return 0;
 }
+static void oxnas_dwmac_exit(struct platform_device *pdev, void *priv)
+{
+        struct oxnas_dwmac *dwmac = priv;
+        clk_disable_unprepare(dwmac->clk);
+}
 static int oxnas_dwmac_probe(struct platform_device *pdev)
 {
        struct plat_stmmacenet_data *plat_dat;
        struct stmmac_resources stmmac_res;
-        struct device_node *sysctrl;
        struct oxnas_dwmac *dwmac;
        int ret;
-        sysctrl = of_parse_phandle(pdev->dev.of_node, "oxsemi,sys-ctrl", 0);
-        if (!sysctrl) {
-                dev_err(&pdev->dev, "failed to get sys-ctrl node\n");
-                return -EINVAL;
-        }
        ret = stmmac_get_platform_resources(pdev, &stmmac_res);
        if (ret)
                return ret;
@@ -128,72 +129,48 @@ static int oxnas_dwmac_probe(struct platform_device *pdev)
                return PTR_ERR(plat_dat);
        dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
-        if (!dwmac)
+        if (!dwmac) {
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto err_remove_config_dt;
+        }
        dwmac->dev = &pdev->dev;
        plat_dat->bsp_priv = dwmac;
+        plat_dat->init = oxnas_dwmac_init;
+        plat_dat->exit = oxnas_dwmac_exit;
-        dwmac->regmap = syscon_node_to_regmap(sysctrl);
+        dwmac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+                                                        "oxsemi,sys-ctrl");
        if (IS_ERR(dwmac->regmap)) {
                dev_err(&pdev->dev, "failed to have sysctrl regmap\n");
-                return PTR_ERR(dwmac->regmap);
+                ret = PTR_ERR(dwmac->regmap);
+                goto err_remove_config_dt;
        }
        dwmac->clk = devm_clk_get(&pdev->dev, "gmac");
-        if (IS_ERR(dwmac->clk))
+        if (IS_ERR(dwmac->clk)) {
-                return PTR_ERR(dwmac->clk);
+                ret = PTR_ERR(dwmac->clk);
+                goto err_remove_config_dt;
+        }
-        ret = oxnas_dwmac_init(dwmac);
+        ret = oxnas_dwmac_init(pdev, plat_dat->bsp_priv);
        if (ret)
-                return ret;
+                goto err_remove_config_dt;
        ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
        if (ret)
-                clk_disable_unprepare(dwmac->clk);
+                goto err_dwmac_exit;
-        return ret;
-}
-static int oxnas_dwmac_remove(struct platform_device *pdev)
+        return 0;
-{
-        struct oxnas_dwmac *dwmac = get_stmmac_bsp_priv(&pdev->dev);
-        int ret = stmmac_dvr_remove(&pdev->dev);
-        clk_disable_unprepare(dwmac->clk);
-        return ret;
-}
-#ifdef CONFIG_PM_SLEEP
-static int oxnas_dwmac_suspend(struct device *dev)
-{
-        struct oxnas_dwmac *dwmac = get_stmmac_bsp_priv(dev);
-        int ret;
-        ret = stmmac_suspend(dev);
-        clk_disable_unprepare(dwmac->clk);
-        return ret;
-}
-static int oxnas_dwmac_resume(struct device *dev)
-{
-        struct oxnas_dwmac *dwmac = get_stmmac_bsp_priv(dev);
-        int ret;
-        ret = oxnas_dwmac_init(dwmac);
-        if (ret)
-                return ret;
-        ret = stmmac_resume(dev);
+err_dwmac_exit:
+        oxnas_dwmac_exit(pdev, plat_dat->bsp_priv);
+err_remove_config_dt:
+        stmmac_remove_config_dt(pdev, plat_dat);
        return ret;
 }
-#endif /* CONFIG_PM_SLEEP */
-static SIMPLE_DEV_PM_OPS(oxnas_dwmac_pm_ops,
-        oxnas_dwmac_suspend, oxnas_dwmac_resume);
 static const struct of_device_id oxnas_dwmac_match[] = {
        { .compatible = "oxsemi,ox820-dwmac" },
@@ -203,10 +180,10 @@ MODULE_DEVICE_TABLE(of, oxnas_dwmac_match);
 static struct platform_driver oxnas_dwmac_driver = {
        .probe  = oxnas_dwmac_probe,
-        .remove = oxnas_dwmac_remove,
+        .remove = stmmac_pltfr_remove,
        .driver = {
                .name           = "oxnas-dwmac",
-                .pm             = &oxnas_dwmac_pm_ops,
+                .pm             = &stmmac_pltfr_pm_ops,
                .of_match_table = oxnas_dwmac_match,
        },
 };
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index bb40382e205d..39eb7a65bb9f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3339,13 +3339,6 @@ int stmmac_dvr_probe(struct device *device,
        spin_lock_init(&priv->lock);
-        ret = register_netdev(ndev);
-        if (ret) {
-                netdev_err(priv->dev, "%s: ERROR %i registering the device\n",
-                           __func__, ret);
-                goto error_netdev_register;
-        }
        /* If a specific clk_csr value is passed from the platform
         * this means that the CSR Clock Range selection cannot be
         * changed at run-time and it is fixed. Viceversa the driver'll try to
@@ -3372,11 +3365,21 @@ int stmmac_dvr_probe(struct device *device,
                }
        }
-        return 0;
+        ret = register_netdev(ndev);
+        if (ret) {
+                netdev_err(priv->dev, "%s: ERROR %i registering the device\n",
+                           __func__, ret);
+                goto error_netdev_register;
+        }
+        return ret;
-error_mdio_register:
-        unregister_netdev(ndev);
 error_netdev_register:
+        if (priv->hw->pcs != STMMAC_PCS_RGMII &&
+            priv->hw->pcs != STMMAC_PCS_TBI &&
+            priv->hw->pcs != STMMAC_PCS_RTBI)
+                stmmac_mdio_unregister(ndev);
+error_mdio_register:
        netif_napi_del(&priv->napi);
 error_hw_init:
        clk_disable_unprepare(priv->pclk);
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index 6c646e228833..6e98ede997d3 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -1367,6 +1367,7 @@ static struct usb_driver asix_driver = {
        .probe =        usbnet_probe,
        .suspend =      asix_suspend,
        .resume =       asix_resume,
+        .reset_resume = asix_resume,
        .disconnect =   usbnet_disconnect,
        .supports_autosuspend = 1,
        .disable_hub_initiated_lpm = 1,
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 7532646c3b7b..23dfb0eac098 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -967,6 +967,7 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev,
         */
        need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr);
        if (!ipv6_ndisc_frame(skb) && !need_strict) {
+                vrf_rx_stats(vrf_dev, skb->len);
                skb->dev = vrf_dev;
                skb->skb_iif = vrf_dev->ifindex;
@@ -1011,6 +1012,8 @@ static struct sk_buff *vrf_ip_rcv(struct net_device *vrf_dev,
                goto out;
        }
+        vrf_rx_stats(vrf_dev, skb->len);
        skb_push(skb, skb->mac_len);
        dev_queue_xmit_nit(skb, vrf_dev);
        skb_pull(skb, skb->mac_len);
diff --git a/drivers/net/wan/slic_ds26522.c b/drivers/net/wan/slic_ds26522.c
index b776a0ab106c..9d9b4e0def2a 100644
--- a/drivers/net/wan/slic_ds26522.c
+++ b/drivers/net/wan/slic_ds26522.c
@@ -218,7 +218,7 @@ static int slic_ds26522_probe(struct spi_device *spi)
        ret = slic_ds26522_init_configure(spi);
        if (ret == 0)
-                pr_info("DS26522 cs%d configurated\n", spi->chip_select);
+                pr_info("DS26522 cs%d configured\n", spi->chip_select);
        return ret;
 }
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index b40cfb076f02..2fc86dc7a8df 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1193,8 +1193,8 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
                blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
                blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
        }
-        if (ctrl->stripe_size)
+        if (ctrl->quirks & NVME_QUIRK_STRIPE_SIZE)
-                blk_queue_chunk_sectors(q, ctrl->stripe_size >> 9);
+                blk_queue_chunk_sectors(q, ctrl->max_hw_sectors);
        blk_queue_virt_boundary(q, ctrl->page_size - 1);
        if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
                vwc = true;
@@ -1250,19 +1250,6 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
        ctrl->max_hw_sectors =
                min_not_zero(ctrl->max_hw_sectors, max_hw_sectors);
-        if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && id->vs[3]) {
-                unsigned int max_hw_sectors;
-                ctrl->stripe_size = 1 << (id->vs[3] + page_shift);
-                max_hw_sectors = ctrl->stripe_size >> (page_shift - 9);
-                if (ctrl->max_hw_sectors) {
-                        ctrl->max_hw_sectors = min(max_hw_sectors,
-                                                        ctrl->max_hw_sectors);
-                } else {
-                        ctrl->max_hw_sectors = max_hw_sectors;
-                }
-        }
        nvme_set_queue_limits(ctrl, ctrl->admin_q);
        ctrl->sgls = le32_to_cpu(id->sgls);
        ctrl->kas = le16_to_cpu(id->kas);
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 771e2e761872..aa0bc60810a7 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -1491,19 +1491,20 @@ static int
 nvme_fc_create_hw_io_queues(struct nvme_fc_ctrl *ctrl, u16 qsize)
 {
        struct nvme_fc_queue *queue = &ctrl->queues[1];
-        int i, j, ret;
+        int i, ret;
        for (i = 1; i < ctrl->queue_count; i++, queue++) {
                ret = __nvme_fc_create_hw_queue(ctrl, queue, i, qsize);
-                if (ret) {
+                if (ret)
-                        for (j = i-1; j >= 0; j--)
+                        goto delete_queues;
-                                __nvme_fc_delete_hw_queue(ctrl,
-                                                &ctrl->queues[j], j);
-                        return ret;
-                }
        }
        return 0;
+delete_queues:
+        for (; i >= 0; i--)
+                __nvme_fc_delete_hw_queue(ctrl, &ctrl->queues[i], i);
+        return ret;
 }
 static int
@@ -2401,8 +2402,8 @@ __nvme_fc_create_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
        WARN_ON_ONCE(!changed);
        dev_info(ctrl->ctrl.device,
-                "NVME-FC{%d}: new ctrl: NQN \"%s\" (%p)\n",
+                "NVME-FC{%d}: new ctrl: NQN \"%s\"\n",
-                ctrl->cnum, ctrl->ctrl.opts->subsysnqn, &ctrl);
+                ctrl->cnum, ctrl->ctrl.opts->subsysnqn);
        kref_get(&ctrl->ctrl.kref);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index bd5321441d12..6377e14586dc 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -135,7 +135,6 @@ struct nvme_ctrl {
        u32 page_size;
        u32 max_hw_sectors;
-        u32 stripe_size;
        u16 oncs;
        u16 vid;
        atomic_t abort_limit;
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 3d21a154dce7..19beeb7b2ac2 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -712,15 +712,8 @@ static void __nvme_process_cq(struct nvme_queue *nvmeq, unsigned int *tag)
                req = blk_mq_tag_to_rq(*nvmeq->tags, cqe.command_id);
                nvme_req(req)->result = cqe.result;
                blk_mq_complete_request(req, le16_to_cpu(cqe.status) >> 1);
        }
-        /* If the controller ignores the cq head doorbell and continuously
-         * writes to the queue, it is theoretically possible to wrap around
-         * the queue twice and mistakenly return IRQ_NONE.  Linux only
-         * requires that 0.1% of your interrupts are handled, so this isn't
-         * a big problem.
-         */
        if (head == nvmeq->cq_head && phase == nvmeq->cq_phase)
                return;
@@ -1909,10 +1902,10 @@ static int nvme_dev_map(struct nvme_dev *dev)
        if (!dev->bar)
                goto release;
-       return 0;
+        return 0;
  release:
-       pci_release_mem_regions(pdev);
+        pci_release_mem_regions(pdev);
-       return -ENODEV;
+        return -ENODEV;
 }
 static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
diff --git a/drivers/nvme/host/scsi.c b/drivers/nvme/host/scsi.c
index b71e95044b43..a5c09e703bd8 100644
--- a/drivers/nvme/host/scsi.c
+++ b/drivers/nvme/host/scsi.c
@@ -2160,30 +2160,6 @@ static int nvme_trans_synchronize_cache(struct nvme_ns *ns,
        return nvme_trans_status_code(hdr, nvme_sc);
 }
-static int nvme_trans_start_stop(struct nvme_ns *ns, struct sg_io_hdr *hdr,
-                                                        u8 *cmd)
-{
-        u8 immed, no_flush;
-        immed = cmd[1] & 0x01;
-        no_flush = cmd[4] & 0x04;
-        if (immed != 0) {
-                return nvme_trans_completion(hdr, SAM_STAT_CHECK_CONDITION,
-                                        ILLEGAL_REQUEST, SCSI_ASC_INVALID_CDB,
-                                        SCSI_ASCQ_CAUSE_NOT_REPORTABLE);
-        } else {
-                if (no_flush == 0) {
-                        /* Issue NVME FLUSH command prior to START STOP UNIT */
-                        int res = nvme_trans_synchronize_cache(ns, hdr);
-                        if (res)
-                                return res;
-                }
-                return 0;
-        }
-}
 static int nvme_trans_format_unit(struct nvme_ns *ns, struct sg_io_hdr *hdr,
                                                        u8 *cmd)
 {
@@ -2439,9 +2415,6 @@ static int nvme_scsi_translate(struct nvme_ns *ns, struct sg_io_hdr *hdr)
        case SECURITY_PROTOCOL_OUT:
                retcode = nvme_trans_security_protocol(ns, hdr, cmd);
                break;
-        case START_STOP:
-                retcode = nvme_trans_start_stop(ns, hdr, cmd);
-                break;
        case SYNCHRONIZE_CACHE:
                retcode = nvme_trans_synchronize_cache(ns, hdr);
                break;
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index ec1ad2aa0a4c..95ae52390478 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -382,7 +382,6 @@ static void nvmet_execute_set_features(struct nvmet_req *req)
 {
        struct nvmet_subsys *subsys = req->sq->ctrl->subsys;
        u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10[0]);
-        u64 val;
        u32 val32;
        u16 status = 0;
@@ -392,8 +391,7 @@ static void nvmet_execute_set_features(struct nvmet_req *req)
                        (subsys->max_qid - 1) | ((subsys->max_qid - 1) << 16));
                break;
        case NVME_FEAT_KATO:
-                val = le64_to_cpu(req->cmd->prop_set.value);
+                val32 = le32_to_cpu(req->cmd->common.cdw10[1]);
-                val32 = val & 0xffff;
                req->sq->ctrl->kato = DIV_ROUND_UP(val32, 1000);
                nvmet_set_result(req, req->sq->ctrl->kato);
                break;
diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index bcb8ebeb01c5..4e8e6a22bce1 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -845,7 +845,7 @@ fcloop_create_remote_port(struct device *dev, struct device_attribute *attr,
        rport->lport = nport->lport;
        nport->rport = rport;
-        return ret ? ret : count;
+        return count;
 }
@@ -952,7 +952,7 @@ fcloop_create_target_port(struct device *dev, struct device_attribute *attr,
        tport->lport = nport->lport;
        nport->tport = tport;
-        return ret ? ret : count;
+        return count;
 }
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 965911d9b36a..398ea7f54826 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -981,8 +981,8 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem,
 * @cell: nvmem cell to be read.
 * @len: pointer to length of cell which will be populated on successful read.
 *
- * Return: ERR_PTR() on error or a valid pointer to a char * buffer on success.
+ * Return: ERR_PTR() on error or a valid pointer to a buffer on success. The
- * The buffer should be freed by the consumer with a kfree().
+ * buffer should be freed by the consumer with a kfree().
 */
 void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
 {
diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index ac27b9bac3b9..8e7b120696fa 100644
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -71,7 +71,7 @@ static struct nvmem_config imx_ocotp_nvmem_config = {
 static const struct of_device_id imx_ocotp_dt_ids[] = {
        { .compatible = "fsl,imx6q-ocotp",  (void *)128 },
-        { .compatible = "fsl,imx6sl-ocotp", (void *)32 },
+        { .compatible = "fsl,imx6sl-ocotp", (void *)64 },
        { .compatible = "fsl,imx6sx-ocotp", (void *)128 },
        { },
 };
diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c
index b5305f08b184..2bdb6c389328 100644
--- a/drivers/nvmem/qfprom.c
+++ b/drivers/nvmem/qfprom.c
@@ -21,11 +21,11 @@ static int qfprom_reg_read(void *context,
                        unsigned int reg, void *_val, size_t bytes)
 {
        void __iomem *base = context;
-        u32 *val = _val;
+        u8 *val = _val;
-        int i = 0, words = bytes / 4;
+        int i = 0, words = bytes;
        while (words--)
-                *val++ = readl(base + reg + (i++ * 4));
+                *val++ = readb(base + reg + i++);
        return 0;
 }
@@ -34,11 +34,11 @@ static int qfprom_reg_write(void *context,
                         unsigned int reg, void *_val, size_t bytes)
 {
        void __iomem *base = context;
-        u32 *val = _val;
+        u8 *val = _val;
-        int i = 0, words = bytes / 4;
+        int i = 0, words = bytes;
        while (words--)
-                writel(*val++, base + reg + (i++ * 4));
+                writeb(*val++, base + reg + i++);
        return 0;
 }
@@ -53,7 +53,7 @@ static int qfprom_remove(struct platform_device *pdev)
 static struct nvmem_config econfig = {
        .name = "qfprom",
        .owner = THIS_MODULE,
-        .stride = 4,
+        .stride = 1,
        .word_size = 1,
        .reg_read = qfprom_reg_read,
        .reg_write = qfprom_reg_write,
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index a579126832af..620c231a2889 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c
@@ -212,7 +212,7 @@ static int meson_pmx_request_gpio(struct pinctrl_dev *pcdev,
 {
        struct meson_pinctrl *pc = pinctrl_dev_get_drvdata(pcdev);
-        meson_pmx_disable_other_groups(pc, range->pin_base + offset, -1);
+        meson_pmx_disable_other_groups(pc, offset, -1);
        return 0;
 }
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index aea310a91821..c9a146948192 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -382,26 +382,21 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type)
 {
        int ret = 0;
        u32 pin_reg;
-        unsigned long flags;
+        unsigned long flags, irq_flags;
-        bool level_trig;
-        u32 active_level;
        struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
        struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
        spin_lock_irqsave(&gpio_dev->lock, flags);
        pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
-        /*
+        /* Ignore the settings coming from the client and
-         * When level_trig is set EDGE and active_level is set HIGH in BIOS
+         * read the values from the ACPI tables
-         * default settings, ignore incoming settings from client and use
+         * while setting the trigger type
-         * BIOS settings to configure GPIO register.
         */
-        level_trig = !(pin_reg & (LEVEL_TRIGGER << LEVEL_TRIG_OFF));
-        active_level = pin_reg & (ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF);
-        if(level_trig &&
+        irq_flags = irq_get_trigger_type(d->irq);
-           ((active_level >> ACTIVE_LEVEL_OFF) == ACTIVE_HIGH))
+        if (irq_flags != IRQ_TYPE_NONE)
-                type = IRQ_TYPE_EDGE_FALLING;
+                type = irq_flags;
        switch (type & IRQ_TYPE_SENSE_MASK) {
        case IRQ_TYPE_EDGE_RISING:
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 12f7d1eb65bc..07409fde02b2 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -56,6 +56,17 @@ static const struct samsung_pin_bank_type bank_type_alive = {
        .reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
 };
+/* Exynos5433 has the 4bit widths for PINCFG_TYPE_DRV bitfields. */
+static const struct samsung_pin_bank_type exynos5433_bank_type_off = {
+        .fld_width = { 4, 1, 2, 4, 2, 2, },
+        .reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
+};
+static const struct samsung_pin_bank_type exynos5433_bank_type_alive = {
+        .fld_width = { 4, 1, 2, 4, },
+        .reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
+};
 static void exynos_irq_mask(struct irq_data *irqd)
 {
        struct irq_chip *chip = irq_data_get_irq_chip(irqd);
@@ -1335,82 +1346,82 @@ const struct samsung_pin_ctrl exynos5420_pin_ctrl[] __initconst = {
 /* pin banks of exynos5433 pin-controller - ALIVE */
 static const struct samsung_pin_bank_data exynos5433_pin_banks0[] = {
-        EXYNOS_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00),
+        EXYNOS5433_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00),
-        EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04),
+        EXYNOS5433_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04),
-        EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08),
+        EXYNOS5433_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08),
-        EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c),
+        EXYNOS5433_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c),
-        EXYNOS_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1),
+        EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1),
-        EXYNOS_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1),
+        EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1),
-        EXYNOS_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1),
+        EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1),
-        EXYNOS_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1),
+        EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1),
-        EXYNOS_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1),
+        EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1),
 };
 /* pin banks of exynos5433 pin-controller - AUD */
 static const struct samsung_pin_bank_data exynos5433_pin_banks1[] = {
-        EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00),
-        EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04),
+        EXYNOS5433_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04),
 };
 /* pin banks of exynos5433 pin-controller - CPIF */
 static const struct samsung_pin_bank_data exynos5433_pin_banks2[] = {
-        EXYNOS_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00),
 };
 /* pin banks of exynos5433 pin-controller - eSE */
 static const struct samsung_pin_bank_data exynos5433_pin_banks3[] = {
-        EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00),
 };
 /* pin banks of exynos5433 pin-controller - FINGER */
 static const struct samsung_pin_bank_data exynos5433_pin_banks4[] = {
-        EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00),
 };
 /* pin banks of exynos5433 pin-controller - FSYS */
 static const struct samsung_pin_bank_data exynos5433_pin_banks5[] = {
-        EXYNOS_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00),
-        EXYNOS_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04),
+        EXYNOS5433_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04),
-        EXYNOS_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08),
+        EXYNOS5433_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08),
-        EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c),
+        EXYNOS5433_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c),
-        EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10),
+        EXYNOS5433_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10),
-        EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14),
+        EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14),
 };
 /* pin banks of exynos5433 pin-controller - IMEM */
 static const struct samsung_pin_bank_data exynos5433_pin_banks6[] = {
-        EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00),
 };
 /* pin banks of exynos5433 pin-controller - NFC */
 static const struct samsung_pin_bank_data exynos5433_pin_banks7[] = {
-        EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00),
 };
 /* pin banks of exynos5433 pin-controller - PERIC */
 static const struct samsung_pin_bank_data exynos5433_pin_banks8[] = {
-        EXYNOS_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00),
-        EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04),
+        EXYNOS5433_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04),
-        EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08),
+        EXYNOS5433_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08),
-        EXYNOS_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c),
+        EXYNOS5433_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c),
-        EXYNOS_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10),
+        EXYNOS5433_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10),
-        EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14),
+        EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14),
-        EXYNOS_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18),
+        EXYNOS5433_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18),
-        EXYNOS_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c),
+        EXYNOS5433_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c),
-        EXYNOS_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20),
+        EXYNOS5433_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20),
-        EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24),
+        EXYNOS5433_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24),
-        EXYNOS_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28),
+        EXYNOS5433_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28),
-        EXYNOS_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c),
+        EXYNOS5433_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c),
-        EXYNOS_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30),
+        EXYNOS5433_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30),
-        EXYNOS_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34),
+        EXYNOS5433_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34),
-        EXYNOS_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38),
+        EXYNOS5433_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38),
-        EXYNOS_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c),
+        EXYNOS5433_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c),
-        EXYNOS_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40),
+        EXYNOS5433_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40),
 };
 /* pin banks of exynos5433 pin-controller - TOUCH */
 static const struct samsung_pin_bank_data exynos5433_pin_banks9[] = {
-        EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00),
+        EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00),
 };
 /*
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h
index 5821525a2c84..a473092fb8d2 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.h
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.h
@@ -90,6 +90,37 @@
                .pctl_res_idx   = pctl_idx,             \
        }                                               \
+#define EXYNOS5433_PIN_BANK_EINTG(pins, reg, id, offs)          \
+        {                                                       \
+                .type           = &exynos5433_bank_type_off,    \
+                .pctl_offset    = reg,                          \
+                .nr_pins        = pins,                         \
+                .eint_type      = EINT_TYPE_GPIO,               \
+                .eint_offset    = offs,                         \
+                .name           = id                            \
+        }
+#define EXYNOS5433_PIN_BANK_EINTW(pins, reg, id, offs)          \
+        {                                                       \
+                .type           = &exynos5433_bank_type_alive,  \
+                .pctl_offset    = reg,                          \
+                .nr_pins        = pins,                         \
+                .eint_type      = EINT_TYPE_WKUP,               \
+                .eint_offset    = offs,                         \
+                .name           = id                            \
+        }
+#define EXYNOS5433_PIN_BANK_EINTW_EXT(pins, reg, id, offs, pctl_idx) \
+        {                                                       \
+                .type           = &exynos5433_bank_type_alive,  \
+                .pctl_offset    = reg,                          \
+                .nr_pins        = pins,                         \
+                .eint_type      = EINT_TYPE_WKUP,               \
+                .eint_offset    = offs,                         \
+                .name           = id,                           \
+                .pctl_res_idx   = pctl_idx,                     \
+        }                                                       \
 /**
 * struct exynos_weint_data: irq specific data for all the wakeup interrupts
 * generated by the external wakeup interrupt controller.
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 5fe8be089b8b..59aa8e302bc3 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -1034,7 +1034,7 @@ config SURFACE_PRO3_BUTTON
 config SURFACE_3_BUTTON
        tristate "Power/home/volume buttons driver for Microsoft Surface 3 tablet"
-        depends on ACPI && KEYBOARD_GPIO
+        depends on ACPI && KEYBOARD_GPIO && I2C
        ---help---
          This driver handles the power/home/volume buttons on the Microsoft Surface 3 tablet.
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 61f39abf5dc8..82d67715ce76 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -177,43 +177,43 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event);
 #if IS_ENABLED(CONFIG_LEDS_CLASS)
 static enum led_brightness logolamp_get(struct led_classdev *cdev);
-static void logolamp_set(struct led_classdev *cdev,
+static int logolamp_set(struct led_classdev *cdev,
                               enum led_brightness brightness);
 static struct led_classdev logolamp_led = {
 .name = "fujitsu::logolamp",
 .brightness_get = logolamp_get,
- .brightness_set = logolamp_set
+ .brightness_set_blocking = logolamp_set
 };
 static enum led_brightness kblamps_get(struct led_classdev *cdev);
-static void kblamps_set(struct led_classdev *cdev,
+static int kblamps_set(struct led_classdev *cdev,
                               enum led_brightness brightness);
 static struct led_classdev kblamps_led = {
 .name = "fujitsu::kblamps",
 .brightness_get = kblamps_get,
- .brightness_set = kblamps_set
+ .brightness_set_blocking = kblamps_set
 };
 static enum led_brightness radio_led_get(struct led_classdev *cdev);
-static void radio_led_set(struct led_classdev *cdev,
+static int radio_led_set(struct led_classdev *cdev,
                               enum led_brightness brightness);
 static struct led_classdev radio_led = {
 .name = "fujitsu::radio_led",
 .brightness_get = radio_led_get,
- .brightness_set = radio_led_set
+ .brightness_set_blocking = radio_led_set
 };
 static enum led_brightness eco_led_get(struct led_classdev *cdev);
-static void eco_led_set(struct led_classdev *cdev,
+static int eco_led_set(struct led_classdev *cdev,
                               enum led_brightness brightness);
 static struct led_classdev eco_led = {
 .name = "fujitsu::eco_led",
 .brightness_get = eco_led_get,
- .brightness_set = eco_led_set
+ .brightness_set_blocking = eco_led_set
 };
 #endif
@@ -267,48 +267,48 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
 #if IS_ENABLED(CONFIG_LEDS_CLASS)
 /* LED class callbacks */
-static void logolamp_set(struct led_classdev *cdev,
+static int logolamp_set(struct led_classdev *cdev,
                               enum led_brightness brightness)
 {
        if (brightness >= LED_FULL) {
                call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_ON);
-                call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_ON);
+                return call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_ON);
        } else if (brightness >= LED_HALF) {
                call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_ON);
-                call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_OFF);
+                return call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_OFF);
        } else {
-                call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_OFF);
+                return call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_OFF);
        }
 }
-static void kblamps_set(struct led_classdev *cdev,
+static int kblamps_set(struct led_classdev *cdev,
                               enum led_brightness brightness)
 {
        if (brightness >= LED_FULL)
-                call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_ON);
+                return call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_ON);
        else
-                call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_OFF);
+                return call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_OFF);
 }
-static void radio_led_set(struct led_classdev *cdev,
+static int radio_led_set(struct led_classdev *cdev,
                                enum led_brightness brightness)
 {
        if (brightness >= LED_FULL)
-                call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, RADIO_LED_ON);
+                return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, RADIO_LED_ON);
        else
-                call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, 0x0);
+                return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, 0x0);
 }
-static void eco_led_set(struct led_classdev *cdev,
+static int eco_led_set(struct led_classdev *cdev,
                                enum led_brightness brightness)
 {
        int curr;
        curr = call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0);
        if (brightness >= LED_FULL)
-                call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr | ECO_LED_ON);
+                return call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr | ECO_LED_ON);
        else
-                call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr & ~ECO_LED_ON);
+                return call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr & ~ECO_LED_ON);
 }
 static enum led_brightness logolamp_get(struct led_classdev *cdev)
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 8130dfe89745..4971aa54756a 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -770,6 +770,7 @@ static int cvm_oct_probe(struct platform_device *pdev)
                        /* Initialize the device private structure. */
                        struct octeon_ethernet *priv = netdev_priv(dev);
+                        SET_NETDEV_DEV(dev, &pdev->dev);
                        dev->netdev_ops = &cvm_oct_pow_netdev_ops;
                        priv->imode = CVMX_HELPER_INTERFACE_MODE_DISABLED;
                        priv->port = CVMX_PIP_NUM_INPUT_PORTS;
@@ -816,6 +817,7 @@ static int cvm_oct_probe(struct platform_device *pdev)
                        }
                        /* Initialize the device private structure. */
+                        SET_NETDEV_DEV(dev, &pdev->dev);
                        priv = netdev_priv(dev);
                        priv->netdev = dev;
                        priv->of_node = cvm_oct_node_for_port(pip, interface,
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 0aa9e7d697a5..25dbd8c7aec7 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -239,6 +239,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
        if (ifp->desc.bNumEndpoints >= num_ep)
                goto skip_to_next_endpoint_or_interface_descriptor;
+        /* Check for duplicate endpoint addresses */
+        for (i = 0; i < ifp->desc.bNumEndpoints; ++i) {
+                if (ifp->endpoint[i].desc.bEndpointAddress ==
+                    d->bEndpointAddress) {
+                        dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n",
+                            cfgno, inum, asnum, d->bEndpointAddress);
+                        goto skip_to_next_endpoint_or_interface_descriptor;
+                }
+        }
        endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints];
        ++ifp->desc.bNumEndpoints;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 1fa5c0f29c64..a56c75e09786 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -103,8 +103,7 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem);
 static void hub_release(struct kref *kref);
 static int usb_reset_and_verify_device(struct usb_device *udev);
-static void hub_usb3_port_prepare_disable(struct usb_hub *hub,
+static int hub_port_disable(struct usb_hub *hub, int port1, int set_state);
-                                          struct usb_port *port_dev);
 static inline char *portspeed(struct usb_hub *hub, int portstatus)
 {
@@ -903,34 +902,6 @@ static int hub_set_port_link_state(struct usb_hub *hub, int port1,
 }
 /*
- * USB-3 does not have a similar link state as USB-2 that will avoid negotiating
- * a connection with a plugged-in cable but will signal the host when the cable
- * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices
- */
-static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
-{
-        struct usb_port *port_dev = hub->ports[port1 - 1];
-        struct usb_device *hdev = hub->hdev;
-        int ret = 0;
-        if (!hub->error) {
-                if (hub_is_superspeed(hub->hdev)) {
-                        hub_usb3_port_prepare_disable(hub, port_dev);
-                        ret = hub_set_port_link_state(hub, port_dev->portnum,
-                                                      USB_SS_PORT_LS_U3);
-                } else {
-                        ret = usb_clear_port_feature(hdev, port1,
-                                        USB_PORT_FEAT_ENABLE);
-                }
-        }
-        if (port_dev->child && set_state)
-                usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED);
-        if (ret && ret != -ENODEV)
-                dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret);
-        return ret;
-}
-/*
 * Disable a port and mark a logical connect-change event, so that some
 * time later hub_wq will disconnect() any existing usb_device on the port
 * and will re-enumerate if there actually is a device attached.
@@ -4162,6 +4133,34 @@ static int hub_handle_remote_wakeup(struct usb_hub *hub, unsigned int port,
 #endif  /* CONFIG_PM */
+/*
+ * USB-3 does not have a similar link state as USB-2 that will avoid negotiating
+ * a connection with a plugged-in cable but will signal the host when the cable
+ * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices
+ */
+static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
+{
+        struct usb_port *port_dev = hub->ports[port1 - 1];
+        struct usb_device *hdev = hub->hdev;
+        int ret = 0;
+        if (!hub->error) {
+                if (hub_is_superspeed(hub->hdev)) {
+                        hub_usb3_port_prepare_disable(hub, port_dev);
+                        ret = hub_set_port_link_state(hub, port_dev->portnum,
+                                                      USB_SS_PORT_LS_U3);
+                } else {
+                        ret = usb_clear_port_feature(hdev, port1,
+                                        USB_PORT_FEAT_ENABLE);
+                }
+        }
+        if (port_dev->child && set_state)
+                usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED);
+        if (ret && ret != -ENODEV)
+                dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret);
+        return ret;
+}
 /* USB 2.0 spec, 7.1.7.3 / fig 7-29:
 *
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index b95930f20d90..c55db4aa54d6 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3753,7 +3753,7 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep,
                hs_ep->desc_list = dma_alloc_coherent(hsotg->dev,
                        MAX_DMA_DESC_NUM_GENERIC *
                        sizeof(struct dwc2_dma_desc),
-                        &hs_ep->desc_list_dma, GFP_KERNEL);
+                        &hs_ep->desc_list_dma, GFP_ATOMIC);
                if (!hs_ep->desc_list) {
                        ret = -ENOMEM;
                        goto error2;
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index a786256535b6..11fe68a4627b 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -247,8 +247,6 @@ MODULE_DEVICE_TABLE(of, dwc2_of_match_table);
 static void dwc2_get_device_property(struct dwc2_hsotg *hsotg,
                                     char *property, u8 size, u64 *value)
 {
-        u8 val8;
-        u16 val16;
        u32 val32;
        switch (size) {
@@ -256,17 +254,7 @@ static void dwc2_get_device_property(struct dwc2_hsotg *hsotg,
                *value = device_property_read_bool(hsotg->dev, property);
                break;
        case 1:
-                if (device_property_read_u8(hsotg->dev, property, &val8))
-                        return;
-                *value = val8;
-                break;
        case 2:
-                if (device_property_read_u16(hsotg->dev, property, &val16))
-                        return;
-                *value = val16;
-                break;
        case 4:
                if (device_property_read_u32(hsotg->dev, property, &val32))
                        return;
@@ -1100,13 +1088,13 @@ static void dwc2_set_gadget_dma(struct dwc2_hsotg *hsotg)
        /* Buffer DMA */
        dwc2_set_param_bool(hsotg, &p->g_dma,
                            false, "gadget-dma",
-                            true, false,
+                            dma_capable, false,
                            dma_capable);
        /* DMA Descriptor */
        dwc2_set_param_bool(hsotg, &p->g_dma_desc, false,
                            "gadget-dma-desc",
-                            p->g_dma, false,
+                            !!hw->dma_desc_enable, false,
                            !!hw->dma_desc_enable);
 }
@@ -1130,8 +1118,14 @@ static void dwc2_set_parameters(struct dwc2_hsotg *hsotg,
                dwc2_set_param_bool(hsotg, &p->host_dma,
                                    false, "host-dma",
-                                    true, false,
+                                    dma_capable, false,
                                    dma_capable);
+                dwc2_set_param_host_rx_fifo_size(hsotg,
+                                params->host_rx_fifo_size);
+                dwc2_set_param_host_nperio_tx_fifo_size(hsotg,
+                                params->host_nperio_tx_fifo_size);
+                dwc2_set_param_host_perio_tx_fifo_size(hsotg,
+                                params->host_perio_tx_fifo_size);
        }
        dwc2_set_param_dma_desc_enable(hsotg, params->dma_desc_enable);
        dwc2_set_param_dma_desc_fs_enable(hsotg, params->dma_desc_fs_enable);
@@ -1140,12 +1134,6 @@ static void dwc2_set_parameters(struct dwc2_hsotg *hsotg,
                        params->host_support_fs_ls_low_power);
        dwc2_set_param_enable_dynamic_fifo(hsotg,
                        params->enable_dynamic_fifo);
-        dwc2_set_param_host_rx_fifo_size(hsotg,
-                        params->host_rx_fifo_size);
-        dwc2_set_param_host_nperio_tx_fifo_size(hsotg,
-                        params->host_nperio_tx_fifo_size);
-        dwc2_set_param_host_perio_tx_fifo_size(hsotg,
-                        params->host_perio_tx_fifo_size);
        dwc2_set_param_max_transfer_size(hsotg,
                        params->max_transfer_size);
        dwc2_set_param_max_packet_count(hsotg,
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index de5a8570be04..14b760209680 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -45,9 +45,7 @@
 #define DWC3_XHCI_RESOURCES_NUM 2
 #define DWC3_SCRATCHBUF_SIZE    4096    /* each buffer is assumed to be 4KiB */
-#define DWC3_EVENT_SIZE         4       /* bytes */
+#define DWC3_EVENT_BUFFERS_SIZE 4096
-#define DWC3_EVENT_MAX_NUM      64      /* 2 events/endpoint */
-#define DWC3_EVENT_BUFFERS_SIZE (DWC3_EVENT_SIZE * DWC3_EVENT_MAX_NUM)
 #define DWC3_EVENT_TYPE_MASK    0xfe
 #define DWC3_EVENT_TYPE_DEV     0
@@ -311,9 +309,8 @@
 #define DWC3_DCFG_SUPERSPEED_PLUS (5 << 0)  /* DWC_usb31 only */
 #define DWC3_DCFG_SUPERSPEED    (4 << 0)
 #define DWC3_DCFG_HIGHSPEED     (0 << 0)
-#define DWC3_DCFG_FULLSPEED2    (1 << 0)
+#define DWC3_DCFG_FULLSPEED     (1 << 0)
 #define DWC3_DCFG_LOWSPEED      (2 << 0)
-#define DWC3_DCFG_FULLSPEED1    (3 << 0)
 #define DWC3_DCFG_NUMP_SHIFT    17
 #define DWC3_DCFG_NUMP(n)       (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f)
@@ -405,9 +402,8 @@
 #define DWC3_DSTS_SUPERSPEED_PLUS       (5 << 0) /* DWC_usb31 only */
 #define DWC3_DSTS_SUPERSPEED            (4 << 0)
 #define DWC3_DSTS_HIGHSPEED             (0 << 0)
-#define DWC3_DSTS_FULLSPEED2            (1 << 0)
+#define DWC3_DSTS_FULLSPEED             (1 << 0)
 #define DWC3_DSTS_LOWSPEED              (2 << 0)
-#define DWC3_DSTS_FULLSPEED1            (3 << 0)
 /* Device Generic Command Register */
 #define DWC3_DGCMD_SET_LMP              0x01
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 29e80cc9b634..eb1b9cb3f9d1 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/dwc3-omap.h>
@@ -510,7 +511,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
        /* check the DMA Status */
        reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
+        irq_set_status_flags(omap->irq, IRQ_NOAUTOEN);
        ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt,
                                        dwc3_omap_interrupt_thread, IRQF_SHARED,
                                        "dwc3-omap", omap);
@@ -531,7 +532,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
        }
        dwc3_omap_enable_irqs(omap);
+        enable_irq(omap->irq);
        return 0;
 err2:
@@ -552,6 +553,7 @@ static int dwc3_omap_remove(struct platform_device *pdev)
        extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb);
        extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb);
        dwc3_omap_disable_irqs(omap);
+        disable_irq(omap->irq);
        of_platform_depopulate(omap->dev);
        pm_runtime_put_sync(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 2b73339f286b..cce0a220b6b0 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -38,6 +38,7 @@
 #define PCI_DEVICE_ID_INTEL_BXT_M               0x1aaa
 #define PCI_DEVICE_ID_INTEL_APL                 0x5aaa
 #define PCI_DEVICE_ID_INTEL_KBP                 0xa2b0
+#define PCI_DEVICE_ID_INTEL_GLK                 0x31aa
 #define PCI_INTEL_BXT_DSM_UUID          "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511"
 #define PCI_INTEL_BXT_FUNC_PMU_PWR      4
@@ -73,16 +74,6 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
 {
        struct platform_device          *dwc3 = dwc->dwc3;
        struct pci_dev                  *pdev = dwc->pci;
-        int                             ret;
-        struct property_entry sysdev_property[] = {
-                PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
-                { },
-        };
-        ret = platform_device_add_properties(dwc3, sysdev_property);
-        if (ret)
-                return ret;
        if (pdev->vendor == PCI_VENDOR_ID_AMD &&
            pdev->device == PCI_DEVICE_ID_AMD_NL_USB) {
@@ -105,6 +96,7 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
                        PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"),
                        PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
                        PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
+                        PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
                        { },
                };
@@ -115,7 +107,8 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
                int ret;
                struct property_entry properties[] = {
-                        PROPERTY_ENTRY_STRING("dr-mode", "peripheral"),
+                        PROPERTY_ENTRY_STRING("dr_mode", "peripheral"),
+                        PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
                        { }
                };
@@ -167,6 +160,7 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
                        PROPERTY_ENTRY_BOOL("snps,usb3_lpm_capable"),
                        PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
                        PROPERTY_ENTRY_BOOL("snps,dis_enblslpm_quirk"),
+                        PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
                        { },
                };
@@ -274,6 +268,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), },
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), },
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GLK), },
        { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
        {  }    /* Terminating Entry */
 };
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 4878d187c7d4..9bb1f8526f3e 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -39,18 +39,13 @@ static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep);
 static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
                struct dwc3_ep *dep, struct dwc3_request *req);
-static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
+static void dwc3_ep0_prepare_one_trb(struct dwc3 *dwc, u8 epnum,
-                u32 len, u32 type, bool chain)
+                dma_addr_t buf_dma, u32 len, u32 type, bool chain)
 {
-        struct dwc3_gadget_ep_cmd_params params;
        struct dwc3_trb                 *trb;
        struct dwc3_ep                  *dep;
-        int                             ret;
        dep = dwc->eps[epnum];
-        if (dep->flags & DWC3_EP_BUSY)
-                return 0;
        trb = &dwc->ep0_trb[dep->trb_enqueue];
@@ -71,15 +66,23 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
                trb->ctrl |= (DWC3_TRB_CTRL_IOC
                                | DWC3_TRB_CTRL_LST);
-        if (chain)
+        trace_dwc3_prepare_trb(dep, trb);
+}
+static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum)
+{
+        struct dwc3_gadget_ep_cmd_params params;
+        struct dwc3_ep                  *dep;
+        int                             ret;
+        dep = dwc->eps[epnum];
+        if (dep->flags & DWC3_EP_BUSY)
                return 0;
        memset(&params, 0, sizeof(params));
        params.param0 = upper_32_bits(dwc->ep0_trb_addr);
        params.param1 = lower_32_bits(dwc->ep0_trb_addr);
-        trace_dwc3_prepare_trb(dep, trb);
        ret = dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_STARTTRANSFER, &params);
        if (ret < 0)
                return ret;
@@ -280,8 +283,9 @@ void dwc3_ep0_out_start(struct dwc3 *dwc)
        complete(&dwc->ep0_in_setup);
-        ret = dwc3_ep0_start_trans(dwc, 0, dwc->ctrl_req_addr, 8,
+        dwc3_ep0_prepare_one_trb(dwc, 0, dwc->ctrl_req_addr, 8,
                        DWC3_TRBCTL_CONTROL_SETUP, false);
+        ret = dwc3_ep0_start_trans(dwc, 0);
        WARN_ON(ret < 0);
 }
@@ -912,9 +916,9 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
                        dwc->ep0_next_event = DWC3_EP0_COMPLETE;
-                        ret = dwc3_ep0_start_trans(dwc, epnum,
+                        dwc3_ep0_prepare_one_trb(dwc, epnum, dwc->ctrl_req_addr,
-                                        dwc->ctrl_req_addr, 0,
+                                        0, DWC3_TRBCTL_CONTROL_DATA, false);
-                                        DWC3_TRBCTL_CONTROL_DATA, false);
+                        ret = dwc3_ep0_start_trans(dwc, epnum);
                        WARN_ON(ret < 0);
                }
        }
@@ -993,9 +997,10 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
        req->direction = !!dep->number;
        if (req->request.length == 0) {
-                ret = dwc3_ep0_start_trans(dwc, dep->number,
+                dwc3_ep0_prepare_one_trb(dwc, dep->number,
                                dwc->ctrl_req_addr, 0,
                                DWC3_TRBCTL_CONTROL_DATA, false);
+                ret = dwc3_ep0_start_trans(dwc, dep->number);
        } else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket)
                        && (dep->number == 0)) {
                u32     transfer_size = 0;
@@ -1011,7 +1016,7 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
                if (req->request.length > DWC3_EP0_BOUNCE_SIZE) {
                        transfer_size = ALIGN(req->request.length - maxpacket,
                                              maxpacket);
-                        ret = dwc3_ep0_start_trans(dwc, dep->number,
+                        dwc3_ep0_prepare_one_trb(dwc, dep->number,
                                                   req->request.dma,
                                                   transfer_size,
                                                   DWC3_TRBCTL_CONTROL_DATA,
@@ -1023,18 +1028,20 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
                dwc->ep0_bounced = true;
-                ret = dwc3_ep0_start_trans(dwc, dep->number,
+                dwc3_ep0_prepare_one_trb(dwc, dep->number,
                                dwc->ep0_bounce_addr, transfer_size,
                                DWC3_TRBCTL_CONTROL_DATA, false);
+                ret = dwc3_ep0_start_trans(dwc, dep->number);
        } else {
                ret = usb_gadget_map_request_by_dev(dwc->sysdev,
                                &req->request, dep->number);
                if (ret)
                        return;
-                ret = dwc3_ep0_start_trans(dwc, dep->number, req->request.dma,
+                dwc3_ep0_prepare_one_trb(dwc, dep->number, req->request.dma,
                                req->request.length, DWC3_TRBCTL_CONTROL_DATA,
                                false);
+                ret = dwc3_ep0_start_trans(dwc, dep->number);
        }
        WARN_ON(ret < 0);
@@ -1048,8 +1055,9 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep)
        type = dwc->three_stage_setup ? DWC3_TRBCTL_CONTROL_STATUS3
                : DWC3_TRBCTL_CONTROL_STATUS2;
-        return dwc3_ep0_start_trans(dwc, dep->number,
+        dwc3_ep0_prepare_one_trb(dwc, dep->number,
                        dwc->ctrl_req_addr, 0, type, false);
+        return dwc3_ep0_start_trans(dwc, dep->number);
 }
 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index efddaf5d11d1..204c754cc647 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -180,11 +180,11 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
        if (req->request.status == -EINPROGRESS)
                req->request.status = status;
-        if (dwc->ep0_bounced && dep->number == 0)
+        if (dwc->ep0_bounced && dep->number <= 1)
                dwc->ep0_bounced = false;
-        else
-                usb_gadget_unmap_request_by_dev(dwc->sysdev,
+        usb_gadget_unmap_request_by_dev(dwc->sysdev,
-                                &req->request, req->direction);
+                        &req->request, req->direction);
        trace_dwc3_gadget_giveback(req);
@@ -1720,7 +1720,7 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)
                        reg |= DWC3_DCFG_LOWSPEED;
                        break;
                case USB_SPEED_FULL:
-                        reg |= DWC3_DCFG_FULLSPEED1;
+                        reg |= DWC3_DCFG_FULLSPEED;
                        break;
                case USB_SPEED_HIGH:
                        reg |= DWC3_DCFG_HIGHSPEED;
@@ -2232,9 +2232,14 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
        dep = dwc->eps[epnum];
-        if (!(dep->flags & DWC3_EP_ENABLED) &&
+        if (!(dep->flags & DWC3_EP_ENABLED)) {
-            !(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
+                if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
-                return;
+                        return;
+                /* Handle only EPCMDCMPLT when EP disabled */
+                if (event->endpoint_event != DWC3_DEPEVT_EPCMDCMPLT)
+                        return;
+        }
        if (epnum == 0 || epnum == 1) {
                dwc3_ep0_interrupt(dwc, event);
@@ -2531,8 +2536,7 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
                dwc->gadget.ep0->maxpacket = 64;
                dwc->gadget.speed = USB_SPEED_HIGH;
                break;
-        case DWC3_DSTS_FULLSPEED2:
+        case DWC3_DSTS_FULLSPEED:
-        case DWC3_DSTS_FULLSPEED1:
                dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(64);
                dwc->gadget.ep0->maxpacket = 64;
                dwc->gadget.speed = USB_SPEED_FULL;
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 41ab61f9b6e0..002822d98fda 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1694,9 +1694,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                value = min(w_length, (u16) 1);
                break;
-        /* function drivers must handle get/set altsetting; if there's
+        /* function drivers must handle get/set altsetting */
-         * no get() method, we know only altsetting zero works.
-         */
        case USB_REQ_SET_INTERFACE:
                if (ctrl->bRequestType != USB_RECIP_INTERFACE)
                        goto unknown;
@@ -1705,7 +1703,13 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                f = cdev->config->interface[intf];
                if (!f)
                        break;
-                if (w_value && !f->set_alt)
+                /*
+                 * If there's no get_alt() method, we know only altsetting zero
+                 * works. There is no need to check if set_alt() is not NULL
+                 * as we check this in usb_add_function().
+                 */
+                if (w_value && !f->get_alt)
                        break;
                value = f->set_alt(f, w_index, w_value);
                if (value == USB_GADGET_DELAYED_STATUS) {
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index aab3fc1dbb94..5e746adc8a2d 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -2091,8 +2091,8 @@ static int __ffs_data_do_entity(enum ffs_entity_type type,
        case FFS_STRING:
                /*
-                 * Strings are indexed from 1 (0 is magic ;) reserved
+                 * Strings are indexed from 1 (0 is reserved
-                 * for languages list or some such)
+                 * for languages list)
                 */
                if (*valuep > helper->ffs->strings_count)
                        helper->ffs->strings_count = *valuep;
@@ -2252,7 +2252,7 @@ static int __ffs_data_do_os_desc(enum ffs_os_desc_type type,
                if (len < sizeof(*d) ||
                    d->bFirstInterfaceNumber >= ffs->interfaces_count ||
-                    !d->Reserved1)
+                    d->Reserved1)
                        return -EINVAL;
                for (i = 0; i < ARRAY_SIZE(d->Reserved2); ++i)
                        if (d->Reserved2[i])
@@ -3666,6 +3666,7 @@ static void ffs_closed(struct ffs_data *ffs)
 {
        struct ffs_dev *ffs_obj;
        struct f_fs_opts *opts;
+        struct config_item *ci;
        ENTER();
        ffs_dev_lock();
@@ -3689,8 +3690,11 @@ static void ffs_closed(struct ffs_data *ffs)
            || !atomic_read(&opts->func_inst.group.cg_item.ci_kref.refcount))
                goto done;
-        unregister_gadget_item(ffs_obj->opts->
+        ci = opts->func_inst.group.cg_item.ci_parent->ci_parent;
-                               func_inst.group.cg_item.ci_parent->ci_parent);
+        ffs_dev_unlock();
+        unregister_gadget_item(ci);
+        return;
 done:
        ffs_dev_unlock();
 }
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 3151d2a0fe59..5f8139b8e601 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -593,7 +593,7 @@ static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
                }
                status = usb_ep_enable(hidg->out_ep);
                if (status < 0) {
-                        ERROR(cdev, "Enable IN endpoint FAILED!\n");
+                        ERROR(cdev, "Enable OUT endpoint FAILED!\n");
                        goto fail;
                }
                hidg->out_ep->driver_data = hidg;
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index e8f4102d19df..6bde4396927c 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -1126,7 +1126,7 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
        /* data and/or status stage for control request */
        } else if (dev->state == STATE_DEV_SETUP) {
-                /* IN DATA+STATUS caller makes len <= wLength */
+                len = min_t(size_t, len, dev->setup_wLength);
                if (dev->setup_in) {
                        retval = setup_req (dev->gadget->ep0, dev->req, len);
                        if (retval == 0) {
@@ -1734,10 +1734,12 @@ static struct usb_gadget_driver gadgetfs_driver = {
 * such as configuration notifications.
 */
-static int is_valid_config (struct usb_config_descriptor *config)
+static int is_valid_config(struct usb_config_descriptor *config,
+                unsigned int total)
 {
        return config->bDescriptorType == USB_DT_CONFIG
                && config->bLength == USB_DT_CONFIG_SIZE
+                && total >= USB_DT_CONFIG_SIZE
                && config->bConfigurationValue != 0
                && (config->bmAttributes & USB_CONFIG_ATT_ONE) != 0
                && (config->bmAttributes & USB_CONFIG_ATT_WAKEUP) == 0;
@@ -1762,7 +1764,8 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
        }
        spin_unlock_irq(&dev->lock);
-        if (len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4))
+        if ((len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4)) ||
+            (len > PAGE_SIZE * 4))
                return -EINVAL;
        /* we might need to change message format someday */
@@ -1786,7 +1789,8 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
        /* full or low speed config */
        dev->config = (void *) kbuf;
        total = le16_to_cpu(dev->config->wTotalLength);
-        if (!is_valid_config (dev->config) || total >= length)
+        if (!is_valid_config(dev->config, total) ||
+                        total > length - USB_DT_DEVICE_SIZE)
                goto fail;
        kbuf += total;
        length -= total;
@@ -1795,10 +1799,13 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
        if (kbuf [1] == USB_DT_CONFIG) {
                dev->hs_config = (void *) kbuf;
                total = le16_to_cpu(dev->hs_config->wTotalLength);
-                if (!is_valid_config (dev->hs_config) || total >= length)
+                if (!is_valid_config(dev->hs_config, total) ||
+                                total > length - USB_DT_DEVICE_SIZE)
                        goto fail;
                kbuf += total;
                length -= total;
+        } else {
+                dev->hs_config = NULL;
        }
        /* could support multiple configs, using another encoding! */
@@ -1811,7 +1818,6 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
                        || dev->dev->bDescriptorType != USB_DT_DEVICE
                        || dev->dev->bNumConfigurations != 1)
                goto fail;
-        dev->dev->bNumConfigurations = 1;
        dev->dev->bcdUSB = cpu_to_le16 (0x0200);
        /* triggers gadgetfs_bind(); then we can enumerate. */
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 9483489080f6..0402177f93cd 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1317,7 +1317,11 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
                        if (!ret)
                                break;
                }
-                if (!ret && !udc->driver)
+                if (ret)
+                        ret = -ENODEV;
+                else if (udc->driver)
+                        ret = -EBUSY;
+                else
                        goto found;
        } else {
                list_for_each_entry(udc, &udc_list, list) {
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 02b14e91ae6c..c60abe3a68f9 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -330,7 +330,7 @@ static void nuke(struct dummy *dum, struct dummy_ep *ep)
 /* caller must hold lock */
 static void stop_activity(struct dummy *dum)
 {
-        struct dummy_ep *ep;
+        int i;
        /* prevent any more requests */
        dum->address = 0;
@@ -338,8 +338,8 @@ static void stop_activity(struct dummy *dum)
        /* The timer is left running so that outstanding URBs can fail */
        /* nuke any pending requests first, so driver i/o is quiesced */
-        list_for_each_entry(ep, &dum->gadget.ep_list, ep.ep_list)
+        for (i = 0; i < DUMMY_ENDPOINTS; ++i)
-                nuke(dum, ep);
+                nuke(dum, &dum->ep[i]);
        /* driver now does any non-usb quiescing necessary */
 }
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index be9e63836881..414e3c376dbb 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -43,7 +43,6 @@ struct at91_usbh_data {
        struct gpio_desc *overcurrent_pin[AT91_MAX_USBH_PORTS];
        u8 ports;                               /* number of ports on root hub */
        u8 overcurrent_supported;
-        u8 vbus_pin_active_low[AT91_MAX_USBH_PORTS];
        u8 overcurrent_status[AT91_MAX_USBH_PORTS];
        u8 overcurrent_changed[AT91_MAX_USBH_PORTS];
 };
@@ -266,8 +265,7 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int
        if (!valid_port(port))
                return;
-        gpiod_set_value(pdata->vbus_pin[port],
+        gpiod_set_value(pdata->vbus_pin[port], enable);
-                        pdata->vbus_pin_active_low[port] ^ enable);
 }
 static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
@@ -275,8 +273,7 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
        if (!valid_port(port))
                return -EINVAL;
-        return gpiod_get_value(pdata->vbus_pin[port]) ^
+        return gpiod_get_value(pdata->vbus_pin[port]);
-               pdata->vbus_pin_active_low[port];
 }
 /*
@@ -533,18 +530,17 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
                pdata->ports = ports;
        at91_for_each_port(i) {
-                pdata->vbus_pin[i] = devm_gpiod_get_optional(&pdev->dev,
+                if (i >= pdata->ports)
-                                                             "atmel,vbus-gpio",
+                        break;
-                                                             GPIOD_IN);
+                pdata->vbus_pin[i] =
+                        devm_gpiod_get_index_optional(&pdev->dev, "atmel,vbus",
+                                                      i, GPIOD_OUT_HIGH);
                if (IS_ERR(pdata->vbus_pin[i])) {
                        err = PTR_ERR(pdata->vbus_pin[i]);
                        dev_err(&pdev->dev, "unable to claim gpio \"vbus\": %d\n", err);
                        continue;
                }
-                pdata->vbus_pin_active_low[i] = gpiod_get_value(pdata->vbus_pin[i]);
-                ohci_at91_usb_set_power(pdata, i, 1);
        }
        at91_for_each_port(i) {
@@ -552,8 +548,8 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
                        break;
                pdata->overcurrent_pin[i] =
-                        devm_gpiod_get_optional(&pdev->dev,
+                        devm_gpiod_get_index_optional(&pdev->dev, "atmel,oc",
-                                                "atmel,oc-gpio", GPIOD_IN);
+                                                      i, GPIOD_IN);
                if (IS_ERR(pdata->overcurrent_pin[i])) {
                        err = PTR_ERR(pdata->overcurrent_pin[i]);
                        dev_err(&pdev->dev, "unable to claim gpio \"overcurrent\": %d\n", err);
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 321de2e0161b..8414ed2a02de 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -979,6 +979,40 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id)
        xhci->devs[slot_id] = NULL;
 }
+/*
+ * Free a virt_device structure.
+ * If the virt_device added a tt_info (a hub) and has children pointing to
+ * that tt_info, then free the child first. Recursive.
+ * We can't rely on udev at this point to find child-parent relationships.
+ */
+void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id)
+{
+        struct xhci_virt_device *vdev;
+        struct list_head *tt_list_head;
+        struct xhci_tt_bw_info *tt_info, *next;
+        int i;
+        vdev = xhci->devs[slot_id];
+        if (!vdev)
+                return;
+        tt_list_head = &(xhci->rh_bw[vdev->real_port - 1].tts);
+        list_for_each_entry_safe(tt_info, next, tt_list_head, tt_list) {
+                /* is this a hub device that added a tt_info to the tts list */
+                if (tt_info->slot_id == slot_id) {
+                        /* are any devices using this tt_info? */
+                        for (i = 1; i < HCS_MAX_SLOTS(xhci->hcs_params1); i++) {
+                                vdev = xhci->devs[i];
+                                if (vdev && (vdev->tt_info == tt_info))
+                                        xhci_free_virt_devices_depth_first(
+                                                xhci, i);
+                        }
+                }
+        }
+        /* we are now at a leaf device */
+        xhci_free_virt_device(xhci, slot_id);
+}
 int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id,
                struct usb_device *udev, gfp_t flags)
 {
@@ -1795,7 +1829,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
        int size;
        int i, j, num_ports;
-        del_timer_sync(&xhci->cmd_timer);
+        cancel_delayed_work_sync(&xhci->cmd_timer);
        /* Free the Event Ring Segment Table and the actual Event Ring */
        size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries);
@@ -1828,8 +1862,8 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
                }
        }
-        for (i = 1; i < MAX_HC_SLOTS; ++i)
+        for (i = HCS_MAX_SLOTS(xhci->hcs_params1); i > 0; i--)
-                xhci_free_virt_device(xhci, i);
+                xhci_free_virt_devices_depth_first(xhci, i);
        dma_pool_destroy(xhci->segment_pool);
        xhci->segment_pool = NULL;
@@ -2342,9 +2376,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
        INIT_LIST_HEAD(&xhci->cmd_list);
-        /* init command timeout timer */
+        /* init command timeout work */
-        setup_timer(&xhci->cmd_timer, xhci_handle_command_timeout,
+        INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout);
-                    (unsigned long)xhci);
+        init_completion(&xhci->cmd_ring_stop_completion);
        page_size = readl(&xhci->op_regs->page_size);
        xhci_dbg_trace(xhci, trace_xhci_dbg_init,
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 1094ebd2838f..bac961cd24ad 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -579,8 +579,10 @@ static int xhci_mtk_probe(struct platform_device *pdev)
                goto disable_ldos;
        irq = platform_get_irq(pdev, 0);
-        if (irq < 0)
+        if (irq < 0) {
+                ret = irq;
                goto disable_clk;
+        }
        /* Initialize dma_mask and coherent_dma_mask to 32-bits */
        ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index e96ae80d107e..954abfd5014d 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -165,7 +165,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                 pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
                 pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
                 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI ||
-                 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI)) {
+                 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI ||
+                 pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) {
                xhci->quirks |= XHCI_PME_STUCK_QUIRK;
        }
        if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index bdf6b13d9b67..25f522b09dd9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -279,23 +279,76 @@ void xhci_ring_cmd_db(struct xhci_hcd *xhci)
        readl(&xhci->dba->doorbell[0]);
 }
-static int xhci_abort_cmd_ring(struct xhci_hcd *xhci)
+static bool xhci_mod_cmd_timer(struct xhci_hcd *xhci, unsigned long delay)
+{
+        return mod_delayed_work(system_wq, &xhci->cmd_timer, delay);
+}
+static struct xhci_command *xhci_next_queued_cmd(struct xhci_hcd *xhci)
+{
+        return list_first_entry_or_null(&xhci->cmd_list, struct xhci_command,
+                                        cmd_list);
+}
+/*
+ * Turn all commands on command ring with status set to "aborted" to no-op trbs.
+ * If there are other commands waiting then restart the ring and kick the timer.
+ * This must be called with command ring stopped and xhci->lock held.
+ */
+static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci,
+                                         struct xhci_command *cur_cmd)
+{
+        struct xhci_command *i_cmd;
+        u32 cycle_state;
+        /* Turn all aborted commands in list to no-ops, then restart */
+        list_for_each_entry(i_cmd, &xhci->cmd_list, cmd_list) {
+                if (i_cmd->status != COMP_CMD_ABORT)
+                        continue;
+                i_cmd->status = COMP_CMD_STOP;
+                xhci_dbg(xhci, "Turn aborted command %p to no-op\n",
+                         i_cmd->command_trb);
+                /* get cycle state from the original cmd trb */
+                cycle_state = le32_to_cpu(
+                        i_cmd->command_trb->generic.field[3]) & TRB_CYCLE;
+                /* modify the command trb to no-op command */
+                i_cmd->command_trb->generic.field[0] = 0;
+                i_cmd->command_trb->generic.field[1] = 0;
+                i_cmd->command_trb->generic.field[2] = 0;
+                i_cmd->command_trb->generic.field[3] = cpu_to_le32(
+                        TRB_TYPE(TRB_CMD_NOOP) | cycle_state);
+                /*
+                 * caller waiting for completion is called when command
+                 *  completion event is received for these no-op commands
+                 */
+        }
+        xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
+        /* ring command ring doorbell to restart the command ring */
+        if ((xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) &&
+            !(xhci->xhc_state & XHCI_STATE_DYING)) {
+                xhci->current_cmd = cur_cmd;
+                xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT);
+                xhci_ring_cmd_db(xhci);
+        }
+}
+/* Must be called with xhci->lock held, releases and aquires lock back */
+static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags)
 {
        u64 temp_64;
        int ret;
        xhci_dbg(xhci, "Abort command ring\n");
-        temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
+        reinit_completion(&xhci->cmd_ring_stop_completion);
-        xhci->cmd_ring_state = CMD_RING_STATE_ABORTED;
-        /*
+        temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
-         * Writing the CMD_RING_ABORT bit should cause a cmd completion event,
-         * however on some host hw the CMD_RING_RUNNING bit is correctly cleared
-         * but the completion event in never sent. Use the cmd timeout timer to
-         * handle those cases. Use twice the time to cover the bit polling retry
-         */
-        mod_timer(&xhci->cmd_timer, jiffies + (2 * XHCI_CMD_DEFAULT_TIMEOUT));
        xhci_write_64(xhci, temp_64 | CMD_RING_ABORT,
                        &xhci->op_regs->cmd_ring);
@@ -315,17 +368,30 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci)
                udelay(1000);
                ret = xhci_handshake(&xhci->op_regs->cmd_ring,
                                     CMD_RING_RUNNING, 0, 3 * 1000 * 1000);
-                if (ret == 0)
+                if (ret < 0) {
-                        return 0;
+                        xhci_err(xhci, "Stopped the command ring failed, "
+                                 "maybe the host is dead\n");
-                xhci_err(xhci, "Stopped the command ring failed, "
+                        xhci->xhc_state |= XHCI_STATE_DYING;
-                                "maybe the host is dead\n");
+                        xhci_halt(xhci);
-                del_timer(&xhci->cmd_timer);
+                        return -ESHUTDOWN;
-                xhci->xhc_state |= XHCI_STATE_DYING;
+                }
-                xhci_halt(xhci);
+        }
-                return -ESHUTDOWN;
+        /*
+         * Writing the CMD_RING_ABORT bit should cause a cmd completion event,
+         * however on some host hw the CMD_RING_RUNNING bit is correctly cleared
+         * but the completion event in never sent. Wait 2 secs (arbitrary
+         * number) to handle those cases after negation of CMD_RING_RUNNING.
+         */
+        spin_unlock_irqrestore(&xhci->lock, flags);
+        ret = wait_for_completion_timeout(&xhci->cmd_ring_stop_completion,
+                                          msecs_to_jiffies(2000));
+        spin_lock_irqsave(&xhci->lock, flags);
+        if (!ret) {
+                xhci_dbg(xhci, "No stop event for abort, ring start fail?\n");
+                xhci_cleanup_command_queue(xhci);
+        } else {
+                xhci_handle_stopped_cmd_ring(xhci, xhci_next_queued_cmd(xhci));
        }
        return 0;
 }
@@ -1207,101 +1273,62 @@ void xhci_cleanup_command_queue(struct xhci_hcd *xhci)
                xhci_complete_del_and_free_cmd(cur_cmd, COMP_CMD_ABORT);
 }
-/*
+void xhci_handle_command_timeout(struct work_struct *work)
- * Turn all commands on command ring with status set to "aborted" to no-op trbs.
- * If there are other commands waiting then restart the ring and kick the timer.
- * This must be called with command ring stopped and xhci->lock held.
- */
-static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci,
-                                         struct xhci_command *cur_cmd)
-{
-        struct xhci_command *i_cmd, *tmp_cmd;
-        u32 cycle_state;
-        /* Turn all aborted commands in list to no-ops, then restart */
-        list_for_each_entry_safe(i_cmd, tmp_cmd, &xhci->cmd_list,
-                                 cmd_list) {
-                if (i_cmd->status != COMP_CMD_ABORT)
-                        continue;
-                i_cmd->status = COMP_CMD_STOP;
-                xhci_dbg(xhci, "Turn aborted command %p to no-op\n",
-                         i_cmd->command_trb);
-                /* get cycle state from the original cmd trb */
-                cycle_state = le32_to_cpu(
-                        i_cmd->command_trb->generic.field[3]) & TRB_CYCLE;
-                /* modify the command trb to no-op command */
-                i_cmd->command_trb->generic.field[0] = 0;
-                i_cmd->command_trb->generic.field[1] = 0;
-                i_cmd->command_trb->generic.field[2] = 0;
-                i_cmd->command_trb->generic.field[3] = cpu_to_le32(
-                        TRB_TYPE(TRB_CMD_NOOP) | cycle_state);
-                /*
-                 * caller waiting for completion is called when command
-                 *  completion event is received for these no-op commands
-                 */
-        }
-        xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
-        /* ring command ring doorbell to restart the command ring */
-        if ((xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) &&
-            !(xhci->xhc_state & XHCI_STATE_DYING)) {
-                xhci->current_cmd = cur_cmd;
-                mod_timer(&xhci->cmd_timer, jiffies + XHCI_CMD_DEFAULT_TIMEOUT);
-                xhci_ring_cmd_db(xhci);
-        }
-        return;
-}
-void xhci_handle_command_timeout(unsigned long data)
 {
        struct xhci_hcd *xhci;
        int ret;
        unsigned long flags;
        u64 hw_ring_state;
-        bool second_timeout = false;
-        xhci = (struct xhci_hcd *) data;
-        /* mark this command to be cancelled */
+        xhci = container_of(to_delayed_work(work), struct xhci_hcd, cmd_timer);
        spin_lock_irqsave(&xhci->lock, flags);
-        if (xhci->current_cmd) {
-                if (xhci->current_cmd->status == COMP_CMD_ABORT)
+        /*
-                        second_timeout = true;
+         * If timeout work is pending, or current_cmd is NULL, it means we
-                xhci->current_cmd->status = COMP_CMD_ABORT;
+         * raced with command completion. Command is handled so just return.
+         */
+        if (!xhci->current_cmd || delayed_work_pending(&xhci->cmd_timer)) {
+                spin_unlock_irqrestore(&xhci->lock, flags);
+                return;
        }
+        /* mark this command to be cancelled */
+        xhci->current_cmd->status = COMP_CMD_ABORT;
        /* Make sure command ring is running before aborting it */
        hw_ring_state = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
        if ((xhci->cmd_ring_state & CMD_RING_STATE_RUNNING) &&
            (hw_ring_state & CMD_RING_RUNNING))  {
-                spin_unlock_irqrestore(&xhci->lock, flags);
+                /* Prevent new doorbell, and start command abort */
+                xhci->cmd_ring_state = CMD_RING_STATE_ABORTED;
                xhci_dbg(xhci, "Command timeout\n");
-                ret = xhci_abort_cmd_ring(xhci);
+                ret = xhci_abort_cmd_ring(xhci, flags);
                if (unlikely(ret == -ESHUTDOWN)) {
                        xhci_err(xhci, "Abort command ring failed\n");
                        xhci_cleanup_command_queue(xhci);
+                        spin_unlock_irqrestore(&xhci->lock, flags);
                        usb_hc_died(xhci_to_hcd(xhci)->primary_hcd);
                        xhci_dbg(xhci, "xHCI host controller is dead.\n");
+                        return;
                }
-                return;
+                goto time_out_completed;
        }
-        /* command ring failed to restart, or host removed. Bail out */
+        /* host removed. Bail out */
-        if (second_timeout || xhci->xhc_state & XHCI_STATE_REMOVING) {
+        if (xhci->xhc_state & XHCI_STATE_REMOVING) {
-                spin_unlock_irqrestore(&xhci->lock, flags);
+                xhci_dbg(xhci, "host removed, ring start fail?\n");
-                xhci_dbg(xhci, "command timed out twice, ring start fail?\n");
                xhci_cleanup_command_queue(xhci);
-                return;
+                goto time_out_completed;
        }
        /* command timeout on stopped ring, ring can't be aborted */
        xhci_dbg(xhci, "Command timeout on stopped ring\n");
        xhci_handle_stopped_cmd_ring(xhci, xhci->current_cmd);
+time_out_completed:
        spin_unlock_irqrestore(&xhci->lock, flags);
        return;
 }
@@ -1333,7 +1360,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
        cmd = list_entry(xhci->cmd_list.next, struct xhci_command, cmd_list);
-        del_timer(&xhci->cmd_timer);
+        cancel_delayed_work(&xhci->cmd_timer);
        trace_xhci_cmd_completion(cmd_trb, (struct xhci_generic_trb *) event);
@@ -1341,7 +1368,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
        /* If CMD ring stopped we own the trbs between enqueue and dequeue */
        if (cmd_comp_code == COMP_CMD_STOP) {
-                xhci_handle_stopped_cmd_ring(xhci, cmd);
+                complete_all(&xhci->cmd_ring_stop_completion);
                return;
        }
@@ -1359,8 +1386,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
         */
        if (cmd_comp_code == COMP_CMD_ABORT) {
                xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
-                if (cmd->status == COMP_CMD_ABORT)
+                if (cmd->status == COMP_CMD_ABORT) {
+                        if (xhci->current_cmd == cmd)
+                                xhci->current_cmd = NULL;
                        goto event_handled;
+                }
        }
        cmd_type = TRB_FIELD_TO_TYPE(le32_to_cpu(cmd_trb->generic.field[3]));
@@ -1421,7 +1451,9 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
        if (cmd->cmd_list.next != &xhci->cmd_list) {
                xhci->current_cmd = list_entry(cmd->cmd_list.next,
                                               struct xhci_command, cmd_list);
-                mod_timer(&xhci->cmd_timer, jiffies + XHCI_CMD_DEFAULT_TIMEOUT);
+                xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT);
+        } else if (xhci->current_cmd == cmd) {
+                xhci->current_cmd = NULL;
        }
 event_handled:
@@ -1939,8 +1971,9 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
        struct xhci_ep_ctx *ep_ctx;
        u32 trb_comp_code;
        u32 remaining, requested;
-        bool on_data_stage;
+        u32 trb_type;
+        trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(ep_trb->generic.field[3]));
        slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
        xdev = xhci->devs[slot_id];
        ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1;
@@ -1950,14 +1983,11 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
        requested = td->urb->transfer_buffer_length;
        remaining = EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
-        /* not setup (dequeue), or status stage means we are at data stage */
-        on_data_stage = (ep_trb != ep_ring->dequeue && ep_trb != td->last_trb);
        switch (trb_comp_code) {
        case COMP_SUCCESS:
-                if (ep_trb != td->last_trb) {
+                if (trb_type != TRB_STATUS) {
                        xhci_warn(xhci, "WARN: Success on ctrl %s TRB without IOC set?\n",
-                                  on_data_stage ? "data" : "setup");
+                                  (trb_type == TRB_DATA) ? "data" : "setup");
                        *status = -ESHUTDOWN;
                        break;
                }
@@ -1967,15 +1997,25 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
                *status = 0;
                break;
        case COMP_STOP_SHORT:
-                if (on_data_stage)
+                if (trb_type == TRB_DATA || trb_type == TRB_NORMAL)
                        td->urb->actual_length = remaining;
                else
                        xhci_warn(xhci, "WARN: Stopped Short Packet on ctrl setup or status TRB\n");
                goto finish_td;
        case COMP_STOP:
-                if (on_data_stage)
+                switch (trb_type) {
+                case TRB_SETUP:
+                        td->urb->actual_length = 0;
+                        goto finish_td;
+                case TRB_DATA:
+                case TRB_NORMAL:
                        td->urb->actual_length = requested - remaining;
-                goto finish_td;
+                        goto finish_td;
+                default:
+                        xhci_warn(xhci, "WARN: unexpected TRB Type %d\n",
+                                  trb_type);
+                        goto finish_td;
+                }
        case COMP_STOP_INVAL:
                goto finish_td;
        default:
@@ -1987,7 +2027,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
                /* else fall through */
        case COMP_STALL:
                /* Did we transfer part of the data (middle) phase? */
-                if (on_data_stage)
+                if (trb_type == TRB_DATA || trb_type == TRB_NORMAL)
                        td->urb->actual_length = requested - remaining;
                else if (!td->urb_length_set)
                        td->urb->actual_length = 0;
@@ -1995,14 +2035,15 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
        }
        /* stopped at setup stage, no data transferred */
-        if (ep_trb == ep_ring->dequeue)
+        if (trb_type == TRB_SETUP)
                goto finish_td;
        /*
         * if on data stage then update the actual_length of the URB and flag it
         * as set, so it won't be overwritten in the event for the last TRB.
         */
-        if (on_data_stage) {
+        if (trb_type == TRB_DATA ||
+                trb_type == TRB_NORMAL) {
                td->urb_length_set = true;
                td->urb->actual_length = requested - remaining;
                xhci_dbg(xhci, "Waiting for status stage event\n");
@@ -3790,9 +3831,9 @@ static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd,
        /* if there are no other commands queued we start the timeout timer */
        if (xhci->cmd_list.next == &cmd->cmd_list &&
-            !timer_pending(&xhci->cmd_timer)) {
+            !delayed_work_pending(&xhci->cmd_timer)) {
                xhci->current_cmd = cmd;
-                mod_timer(&xhci->cmd_timer, jiffies + XHCI_CMD_DEFAULT_TIMEOUT);
+                xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT);
        }
        queue_trb(xhci, xhci->cmd_ring, false, field1, field2, field3,
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1cd56417cbec..0c8deb9ed42d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3787,8 +3787,10 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
        mutex_lock(&xhci->mutex);
-        if (xhci->xhc_state)    /* dying, removing or halted */
+        if (xhci->xhc_state) {  /* dying, removing or halted */
+                ret = -ESHUTDOWN;
                goto out;
+        }
        if (!udev->slot_id) {
                xhci_dbg_trace(xhci, trace_xhci_dbg_address,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 8ccc11a974b8..2d7b6374b58d 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1568,7 +1568,8 @@ struct xhci_hcd {
 #define CMD_RING_STATE_STOPPED         (1 << 2)
        struct list_head        cmd_list;
        unsigned int            cmd_ring_reserved_trbs;
-        struct timer_list       cmd_timer;
+        struct delayed_work     cmd_timer;
+        struct completion       cmd_ring_stop_completion;
        struct xhci_command     *current_cmd;
        struct xhci_ring        *event_ring;
        struct xhci_erst        erst;
@@ -1934,7 +1935,7 @@ void xhci_queue_config_ep_quirk(struct xhci_hcd *xhci,
                unsigned int slot_id, unsigned int ep_index,
                struct xhci_dequeue_state *deq_state);
 void xhci_stop_endpoint_command_watchdog(unsigned long arg);
-void xhci_handle_command_timeout(unsigned long data);
+void xhci_handle_command_timeout(struct work_struct *work);
 void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
                unsigned int ep_index, unsigned int stream_id);
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 310238c6b5cd..896798071817 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -469,6 +469,7 @@ static const struct musb_platform_ops bfin_ops = {
        .init           = bfin_musb_init,
        .exit           = bfin_musb_exit,
+        .fifo_offset    = bfin_fifo_offset,
        .readb          = bfin_readb,
        .writeb         = bfin_writeb,
        .readw          = bfin_readw,
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 9e226468a13e..fca288bbc800 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2050,6 +2050,7 @@ struct musb_pending_work {
        struct list_head node;
 };
+#ifdef CONFIG_PM
 /*
 * Called from musb_runtime_resume(), musb_resume(), and
 * musb_queue_resume_work(). Callers must take musb->lock.
@@ -2077,6 +2078,7 @@ static int musb_run_resume_work(struct musb *musb)
        return error;
 }
+#endif
 /*
 * Called to run work if device is active or else queue the work to happen
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index a611e2f67bdc..ade902ea1221 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -216,6 +216,7 @@ struct musb_platform_ops {
        void    (*pre_root_reset_end)(struct musb *musb);
        void    (*post_root_reset_end)(struct musb *musb);
        int     (*phy_callback)(enum musb_vbus_id_status status);
+        void    (*clear_ep_rxintr)(struct musb *musb, int epnum);
 };
 /*
@@ -626,6 +627,12 @@ static inline void musb_platform_post_root_reset_end(struct musb *musb)
                musb->ops->post_root_reset_end(musb);
 }
+static inline void musb_platform_clear_ep_rxintr(struct musb *musb, int epnum)
+{
+        if (musb->ops->clear_ep_rxintr)
+                musb->ops->clear_ep_rxintr(musb, epnum);
+}
 /*
 * gets the "dr_mode" property from DT and converts it into musb_mode
 * if the property is not found or not recognized returns MUSB_OTG
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index feae1561b9ab..9f125e179acd 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -267,6 +267,17 @@ static void otg_timer(unsigned long _musb)
        pm_runtime_put_autosuspend(dev);
 }
+void dsps_musb_clear_ep_rxintr(struct musb *musb, int epnum)
+{
+        u32 epintr;
+        struct dsps_glue *glue = dev_get_drvdata(musb->controller->parent);
+        const struct dsps_musb_wrapper *wrp = glue->wrp;
+        /* musb->lock might already been held */
+        epintr = (1 << epnum) << wrp->rxep_shift;
+        musb_writel(musb->ctrl_base, wrp->epintr_status, epintr);
+}
 static irqreturn_t dsps_interrupt(int irq, void *hci)
 {
        struct musb  *musb = hci;
@@ -622,6 +633,7 @@ static struct musb_platform_ops dsps_ops = {
        .set_mode       = dsps_musb_set_mode,
        .recover        = dsps_musb_recover,
+        .clear_ep_rxintr = dsps_musb_clear_ep_rxintr,
 };
 static u64 musb_dmamask = DMA_BIT_MASK(32);
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index f6cdbad00dac..ac3a4952abb4 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2374,12 +2374,11 @@ static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh)
        int                     is_in = usb_pipein(urb->pipe);
        int                     status = 0;
        u16                     csr;
+        struct dma_channel      *dma = NULL;
        musb_ep_select(regs, hw_end);
        if (is_dma_capable()) {
-                struct dma_channel      *dma;
                dma = is_in ? ep->rx_channel : ep->tx_channel;
                if (dma) {
                        status = ep->musb->dma_controller->channel_abort(dma);
@@ -2395,10 +2394,9 @@ static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh)
                /* giveback saves bulk toggle */
                csr = musb_h_flush_rxfifo(ep, 0);
-                /* REVISIT we still get an irq; should likely clear the
+                /* clear the endpoint's irq status here to avoid bogus irqs */
-                 * endpoint's irq status here to avoid bogus irqs.
+                if (is_dma_capable() && dma)
-                 * clearing that status is platform-specific...
+                        musb_platform_clear_ep_rxintr(musb, ep->epnum);
-                 */
        } else if (ep->epnum) {
                musb_h_tx_flush_fifo(ep);
                csr = musb_readw(epio, MUSB_TXCSR);
diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h
index f7b13fd25257..a3dcbd55e436 100644
--- a/drivers/usb/musb/musbhsdma.h
+++ b/drivers/usb/musb/musbhsdma.h
@@ -157,5 +157,5 @@ struct musb_dma_controller {
        void __iomem                    *base;
        u8                              channel_count;
        u8                              used_channels;
-        u8                              irq;
+        int                             irq;
 };
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 5f17a3b9916d..80260b08398b 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -50,6 +50,7 @@
 #define CYBERJACK_PRODUCT_ID    0x0100
 /* Function prototypes */
+static int cyberjack_attach(struct usb_serial *serial);
 static int cyberjack_port_probe(struct usb_serial_port *port);
 static int cyberjack_port_remove(struct usb_serial_port *port);
 static int  cyberjack_open(struct tty_struct *tty,
@@ -77,6 +78,7 @@ static struct usb_serial_driver cyberjack_device = {
        .description =          "Reiner SCT Cyberjack USB card reader",
        .id_table =             id_table,
        .num_ports =            1,
+        .attach =               cyberjack_attach,
        .port_probe =           cyberjack_port_probe,
        .port_remove =          cyberjack_port_remove,
        .open =                 cyberjack_open,
@@ -100,6 +102,14 @@ struct cyberjack_private {
        short           wrsent;         /* Data already sent */
 };
+static int cyberjack_attach(struct usb_serial *serial)
+{
+        if (serial->num_bulk_out < serial->num_ports)
+                return -ENODEV;
+        return 0;
+}
 static int cyberjack_port_probe(struct usb_serial_port *port)
 {
        struct cyberjack_private *priv;
diff --git a/drivers/usb/serial/f81534.c b/drivers/usb/serial/f81534.c
index 8282a6a18fee..22f23a429a95 100644
--- a/drivers/usb/serial/f81534.c
+++ b/drivers/usb/serial/f81534.c
@@ -1237,6 +1237,7 @@ static int f81534_attach(struct usb_serial *serial)
 static int f81534_port_probe(struct usb_serial_port *port)
 {
        struct f81534_port_private *port_priv;
+        int ret;
        port_priv = devm_kzalloc(&port->dev, sizeof(*port_priv), GFP_KERNEL);
        if (!port_priv)
@@ -1246,10 +1247,11 @@ static int f81534_port_probe(struct usb_serial_port *port)
        mutex_init(&port_priv->mcr_mutex);
        /* Assign logic-to-phy mapping */
-        port_priv->phy_num = f81534_logic_to_phy_port(port->serial, port);
+        ret = f81534_logic_to_phy_port(port->serial, port);
-        if (port_priv->phy_num < 0 || port_priv->phy_num >= F81534_NUM_PORT)
+        if (ret < 0)
-                return -ENODEV;
+                return ret;
+        port_priv->phy_num = ret;
        usb_set_serial_port_data(port, port_priv);
        dev_dbg(&port->dev, "%s: port_number: %d, phy_num: %d\n", __func__,
                        port->port_number, port_priv->phy_num);
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 97cabf803c2f..b2f2e87aed94 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1043,6 +1043,7 @@ static int garmin_write_bulk(struct usb_serial_port *port,
                   "%s - usb_submit_urb(write bulk) failed with status = %d\n",
                                __func__, status);
                count = status;
+                kfree(buffer);
        }
        /* we are done with this urb, so let the host driver
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index dcc0c58aaad5..d50e5773483f 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2751,6 +2751,11 @@ static int edge_startup(struct usb_serial *serial)
                                        EDGE_COMPATIBILITY_MASK1,
                                        EDGE_COMPATIBILITY_MASK2 };
+        if (serial->num_bulk_in < 1 || serial->num_interrupt_in < 1) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                return -ENODEV;
+        }
        dev = serial->dev;
        /* create our private serial structure */
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index c339163698eb..9a0db2965fbb 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1499,8 +1499,7 @@ static int do_boot_mode(struct edgeport_serial *serial,
                dev_dbg(dev, "%s - Download successful -- Device rebooting...\n", __func__);
-                /* return an error on purpose */
+                return 1;
-                return -ENODEV;
        }
 stayinbootmode:
@@ -1508,7 +1507,7 @@ stayinbootmode:
        dev_dbg(dev, "%s - STAYING IN BOOT MODE\n", __func__);
        serial->product_info.TiMode = TI_MODE_BOOT;
-        return 0;
+        return 1;
 }
 static int ti_do_config(struct edgeport_port *port, int feature, int on)
@@ -2546,6 +2545,13 @@ static int edge_startup(struct usb_serial *serial)
        int status;
        u16 product_id;
+        /* Make sure we have the required endpoints when in download mode. */
+        if (serial->interface->cur_altsetting->desc.bNumEndpoints > 1) {
+                if (serial->num_bulk_in < serial->num_ports ||
+                                serial->num_bulk_out < serial->num_ports)
+                        return -ENODEV;
+        }
        /* create our private serial structure */
        edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);
        if (!edge_serial)
@@ -2553,14 +2559,18 @@ static int edge_startup(struct usb_serial *serial)
        mutex_init(&edge_serial->es_lock);
        edge_serial->serial = serial;
+        INIT_DELAYED_WORK(&edge_serial->heartbeat_work, edge_heartbeat_work);
        usb_set_serial_data(serial, edge_serial);
        status = download_fw(edge_serial);
-        if (status) {
+        if (status < 0) {
                kfree(edge_serial);
                return status;
        }
+        if (status > 0)
+                return 1;       /* bind but do not register any ports */
        product_id = le16_to_cpu(
                        edge_serial->serial->dev->descriptor.idProduct);
@@ -2572,7 +2582,6 @@ static int edge_startup(struct usb_serial *serial)
                }
        }
-        INIT_DELAYED_WORK(&edge_serial->heartbeat_work, edge_heartbeat_work);
        edge_heartbeat_schedule(edge_serial);
        return 0;
@@ -2580,6 +2589,9 @@ static int edge_startup(struct usb_serial *serial)
 static void edge_disconnect(struct usb_serial *serial)
 {
+        struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
+        cancel_delayed_work_sync(&edge_serial->heartbeat_work);
 }
 static void edge_release(struct usb_serial *serial)
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 344b4eea4bd5..d57fb5199218 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -68,6 +68,16 @@ struct iuu_private {
        u32 clk;
 };
+static int iuu_attach(struct usb_serial *serial)
+{
+        unsigned char num_ports = serial->num_ports;
+        if (serial->num_bulk_in < num_ports || serial->num_bulk_out < num_ports)
+                return -ENODEV;
+        return 0;
+}
 static int iuu_port_probe(struct usb_serial_port *port)
 {
        struct iuu_private *priv;
@@ -1196,6 +1206,7 @@ static struct usb_serial_driver iuu_device = {
        .tiocmset = iuu_tiocmset,
        .set_termios = iuu_set_termios,
        .init_termios = iuu_init_termios,
+        .attach = iuu_attach,
        .port_probe = iuu_port_probe,
        .port_remove = iuu_port_remove,
 };
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index e49ad0c63ad8..83523fcf6fb9 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -699,6 +699,19 @@ MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw");
 MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw");
 #endif
+static int keyspan_pda_attach(struct usb_serial *serial)
+{
+        unsigned char num_ports = serial->num_ports;
+        if (serial->num_bulk_out < num_ports ||
+                        serial->num_interrupt_in < num_ports) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                return -ENODEV;
+        }
+        return 0;
+}
 static int keyspan_pda_port_probe(struct usb_serial_port *port)
 {
@@ -776,6 +789,7 @@ static struct usb_serial_driver keyspan_pda_device = {
        .break_ctl =            keyspan_pda_break_ctl,
        .tiocmget =             keyspan_pda_tiocmget,
        .tiocmset =             keyspan_pda_tiocmset,
+        .attach =               keyspan_pda_attach,
        .port_probe =           keyspan_pda_port_probe,
        .port_remove =          keyspan_pda_port_remove,
 };
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 2363654cafc9..813035f51fe7 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -51,6 +51,7 @@
 /* Function prototypes */
+static int kobil_attach(struct usb_serial *serial);
 static int kobil_port_probe(struct usb_serial_port *probe);
 static int kobil_port_remove(struct usb_serial_port *probe);
 static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
@@ -86,6 +87,7 @@ static struct usb_serial_driver kobil_device = {
        .description =          "KOBIL USB smart card terminal",
        .id_table =             id_table,
        .num_ports =            1,
+        .attach =               kobil_attach,
        .port_probe =           kobil_port_probe,
        .port_remove =          kobil_port_remove,
        .ioctl =                kobil_ioctl,
@@ -113,6 +115,16 @@ struct kobil_private {
 };
+static int kobil_attach(struct usb_serial *serial)
+{
+        if (serial->num_interrupt_out < serial->num_ports) {
+                dev_err(&serial->interface->dev, "missing interrupt-out endpoint\n");
+                return -ENODEV;
+        }
+        return 0;
+}
 static int kobil_port_probe(struct usb_serial_port *port)
 {
        struct usb_serial *serial = port->serial;
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index d52caa03679c..91bc170b408a 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -65,8 +65,6 @@ struct moschip_port {
        struct urb              *write_urb_pool[NUM_URBS];
 };
-static struct usb_serial_driver moschip7720_2port_driver;
 #define USB_VENDOR_ID_MOSCHIP           0x9710
 #define MOSCHIP_DEVICE_ID_7720          0x7720
 #define MOSCHIP_DEVICE_ID_7715          0x7715
@@ -970,25 +968,6 @@ static void mos7720_bulk_out_data_callback(struct urb *urb)
                tty_port_tty_wakeup(&mos7720_port->port->port);
 }
-/*
- * mos77xx_probe
- *      this function installs the appropriate read interrupt endpoint callback
- *      depending on whether the device is a 7720 or 7715, thus avoiding costly
- *      run-time checks in the high-frequency callback routine itself.
- */
-static int mos77xx_probe(struct usb_serial *serial,
-                         const struct usb_device_id *id)
-{
-        if (id->idProduct == MOSCHIP_DEVICE_ID_7715)
-                moschip7720_2port_driver.read_int_callback =
-                        mos7715_interrupt_callback;
-        else
-                moschip7720_2port_driver.read_int_callback =
-                        mos7720_interrupt_callback;
-        return 0;
-}
 static int mos77xx_calc_num_ports(struct usb_serial *serial)
 {
        u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
@@ -1917,6 +1896,11 @@ static int mos7720_startup(struct usb_serial *serial)
        u16 product;
        int ret_val;
+        if (serial->num_bulk_in < 2 || serial->num_bulk_out < 2) {
+                dev_err(&serial->interface->dev, "missing bulk endpoints\n");
+                return -ENODEV;
+        }
        product = le16_to_cpu(serial->dev->descriptor.idProduct);
        dev = serial->dev;
@@ -1941,19 +1925,18 @@ static int mos7720_startup(struct usb_serial *serial)
                        tmp->interrupt_in_endpointAddress;
                serial->port[1]->interrupt_in_urb = NULL;
                serial->port[1]->interrupt_in_buffer = NULL;
+                if (serial->port[0]->interrupt_in_urb) {
+                        struct urb *urb = serial->port[0]->interrupt_in_urb;
+                        urb->complete = mos7715_interrupt_callback;
+                }
        }
        /* setting configuration feature to one */
        usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
                        (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5000);
-        /* start the interrupt urb */
-        ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL);
-        if (ret_val)
-                dev_err(&dev->dev,
-                        "%s - Error %d submitting control urb\n",
-                        __func__, ret_val);
 #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT
        if (product == MOSCHIP_DEVICE_ID_7715) {
                ret_val = mos7715_parport_init(serial);
@@ -1961,6 +1944,13 @@ static int mos7720_startup(struct usb_serial *serial)
                        return ret_val;
        }
 #endif
+        /* start the interrupt urb */
+        ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL);
+        if (ret_val) {
+                dev_err(&dev->dev, "failed to submit interrupt urb: %d\n",
+                        ret_val);
+        }
        /* LSR For Port 1 */
        read_mos_reg(serial, 0, MOS7720_LSR, &data);
        dev_dbg(&dev->dev, "LSR:%x\n", data);
@@ -1970,6 +1960,8 @@ static int mos7720_startup(struct usb_serial *serial)
 static void mos7720_release(struct usb_serial *serial)
 {
+        usb_kill_urb(serial->port[0]->interrupt_in_urb);
 #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT
        /* close the parallel port */
@@ -2019,11 +2011,6 @@ static int mos7720_port_probe(struct usb_serial_port *port)
        if (!mos7720_port)
                return -ENOMEM;
-        /* Initialize all port interrupt end point to port 0 int endpoint.
-         * Our device has only one interrupt endpoint common to all ports.
-         */
-        port->interrupt_in_endpointAddress =
-                port->serial->port[0]->interrupt_in_endpointAddress;
        mos7720_port->port = port;
        usb_set_serial_port_data(port, mos7720_port);
@@ -2053,7 +2040,6 @@ static struct usb_serial_driver moschip7720_2port_driver = {
        .close                  = mos7720_close,
        .throttle               = mos7720_throttle,
        .unthrottle             = mos7720_unthrottle,
-        .probe                  = mos77xx_probe,
        .attach                 = mos7720_startup,
        .release                = mos7720_release,
        .port_probe             = mos7720_port_probe,
@@ -2067,7 +2053,7 @@ static struct usb_serial_driver moschip7720_2port_driver = {
        .chars_in_buffer        = mos7720_chars_in_buffer,
        .break_ctl              = mos7720_break,
        .read_bulk_callback     = mos7720_bulk_in_callback,
-        .read_int_callback      = NULL  /* dynamically assigned in probe() */
+        .read_int_callback      = mos7720_interrupt_callback,
 };
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 9a220b8e810f..ea27fb23967a 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -214,7 +214,6 @@ MODULE_DEVICE_TABLE(usb, id_table);
 struct moschip_port {
        int port_num;           /*Actual port number in the device(1,2,etc) */
-        struct urb *write_urb;  /* write URB for this port */
        struct urb *read_urb;   /* read URB for this port */
        __u8 shadowLCR;         /* last LCR value received */
        __u8 shadowMCR;         /* last MCR value received */
@@ -1037,9 +1036,7 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port)
                                serial,
                                serial->port[0]->interrupt_in_urb->interval);
-                        /* start interrupt read for mos7840               *
+                        /* start interrupt read for mos7840 */
-                         * will continue as long as mos7840 is connected  */
                        response =
                            usb_submit_urb(serial->port[0]->interrupt_in_urb,
                                           GFP_KERNEL);
@@ -1186,7 +1183,6 @@ static void mos7840_close(struct usb_serial_port *port)
                }
        }
-        usb_kill_urb(mos7840_port->write_urb);
        usb_kill_urb(mos7840_port->read_urb);
        mos7840_port->read_urb_busy = false;
@@ -1199,12 +1195,6 @@ static void mos7840_close(struct usb_serial_port *port)
                }
        }
-        if (mos7840_port->write_urb) {
-                /* if this urb had a transfer buffer already (old tx) free it */
-                kfree(mos7840_port->write_urb->transfer_buffer);
-                usb_free_urb(mos7840_port->write_urb);
-        }
        Data = 0x0;
        mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);
@@ -2113,6 +2103,17 @@ static int mos7840_calc_num_ports(struct usb_serial *serial)
        return mos7840_num_ports;
 }
+static int mos7840_attach(struct usb_serial *serial)
+{
+        if (serial->num_bulk_in < serial->num_ports ||
+                        serial->num_bulk_out < serial->num_ports) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                return -ENODEV;
+        }
+        return 0;
+}
 static int mos7840_port_probe(struct usb_serial_port *port)
 {
        struct usb_serial *serial = port->serial;
@@ -2388,6 +2389,7 @@ static struct usb_serial_driver moschip7840_4port_device = {
        .tiocmset = mos7840_tiocmset,
        .tiocmiwait = usb_serial_generic_tiocmiwait,
        .get_icount = usb_serial_generic_get_icount,
+        .attach = mos7840_attach,
        .port_probe = mos7840_port_probe,
        .port_remove = mos7840_port_remove,
        .read_bulk_callback = mos7840_bulk_in_callback,
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index f6c6900bccf0..a180b17d2432 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -38,6 +38,7 @@ static int  omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
                                const unsigned char *buf, int count);
 static int  omninet_write_room(struct tty_struct *tty);
 static void omninet_disconnect(struct usb_serial *serial);
+static int omninet_attach(struct usb_serial *serial);
 static int omninet_port_probe(struct usb_serial_port *port);
 static int omninet_port_remove(struct usb_serial_port *port);
@@ -56,6 +57,7 @@ static struct usb_serial_driver zyxel_omninet_device = {
        .description =          "ZyXEL - omni.net lcd plus usb",
        .id_table =             id_table,
        .num_ports =            1,
+        .attach =               omninet_attach,
        .port_probe =           omninet_port_probe,
        .port_remove =          omninet_port_remove,
        .open =                 omninet_open,
@@ -104,6 +106,17 @@ struct omninet_data {
        __u8    od_outseq;      /* Sequence number for bulk_out URBs */
 };
+static int omninet_attach(struct usb_serial *serial)
+{
+        /* The second bulk-out endpoint is used for writing. */
+        if (serial->num_bulk_out < 2) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                return -ENODEV;
+        }
+        return 0;
+}
 static int omninet_port_probe(struct usb_serial_port *port)
 {
        struct omninet_data *od;
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index a4b88bc038b6..b8bf52bf7a94 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -134,6 +134,7 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty);
 static int oti6858_tiocmget(struct tty_struct *tty);
 static int oti6858_tiocmset(struct tty_struct *tty,
                                unsigned int set, unsigned int clear);
+static int oti6858_attach(struct usb_serial *serial);
 static int oti6858_port_probe(struct usb_serial_port *port);
 static int oti6858_port_remove(struct usb_serial_port *port);
@@ -158,6 +159,7 @@ static struct usb_serial_driver oti6858_device = {
        .write_bulk_callback =  oti6858_write_bulk_callback,
        .write_room =           oti6858_write_room,
        .chars_in_buffer =      oti6858_chars_in_buffer,
+        .attach =               oti6858_attach,
        .port_probe =           oti6858_port_probe,
        .port_remove =          oti6858_port_remove,
 };
@@ -324,6 +326,20 @@ static void send_data(struct work_struct *work)
        usb_serial_port_softint(port);
 }
+static int oti6858_attach(struct usb_serial *serial)
+{
+        unsigned char num_ports = serial->num_ports;
+        if (serial->num_bulk_in < num_ports ||
+                        serial->num_bulk_out < num_ports ||
+                        serial->num_interrupt_in < num_ports) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                return -ENODEV;
+        }
+        return 0;
+}
 static int oti6858_port_probe(struct usb_serial_port *port)
 {
        struct oti6858_private *priv;
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index ae682e4eeaef..46fca6b75846 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -220,9 +220,17 @@ static int pl2303_probe(struct usb_serial *serial,
 static int pl2303_startup(struct usb_serial *serial)
 {
        struct pl2303_serial_private *spriv;
+        unsigned char num_ports = serial->num_ports;
        enum pl2303_type type = TYPE_01;
        unsigned char *buf;
+        if (serial->num_bulk_in < num_ports ||
+                        serial->num_bulk_out < num_ports ||
+                        serial->num_interrupt_in < num_ports) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                return -ENODEV;
+        }
        spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
        if (!spriv)
                return -ENOMEM;
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 659cb8606bd9..5709cc93b083 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -408,16 +408,12 @@ static void qt2_close(struct usb_serial_port *port)
 {
        struct usb_serial *serial;
        struct qt2_port_private *port_priv;
-        unsigned long flags;
        int i;
        serial = port->serial;
        port_priv = usb_get_serial_port_data(port);
-        spin_lock_irqsave(&port_priv->urb_lock, flags);
        usb_kill_urb(port_priv->write_urb);
-        port_priv->urb_in_use = false;
-        spin_unlock_irqrestore(&port_priv->urb_lock, flags);
        /* flush the port transmit buffer */
        i = usb_control_msg(serial->dev,
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index ef0dbf0703c5..475e6c31b266 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -154,6 +154,19 @@ static int spcp8x5_probe(struct usb_serial *serial,
        return 0;
 }
+static int spcp8x5_attach(struct usb_serial *serial)
+{
+        unsigned char num_ports = serial->num_ports;
+        if (serial->num_bulk_in < num_ports ||
+                        serial->num_bulk_out < num_ports) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                return -ENODEV;
+        }
+        return 0;
+}
 static int spcp8x5_port_probe(struct usb_serial_port *port)
 {
        const struct usb_device_id *id = usb_get_serial_data(port->serial);
@@ -477,6 +490,7 @@ static struct usb_serial_driver spcp8x5_device = {
        .tiocmget               = spcp8x5_tiocmget,
        .tiocmset               = spcp8x5_tiocmset,
        .probe                  = spcp8x5_probe,
+        .attach                 = spcp8x5_attach,
        .port_probe             = spcp8x5_port_probe,
        .port_remove            = spcp8x5_port_remove,
 };
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 8db9d071d940..64b85b8dedf3 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -579,6 +579,13 @@ static int ti_startup(struct usb_serial *serial)
                goto free_tdev;
        }
+        if (serial->num_bulk_in < serial->num_ports ||
+                        serial->num_bulk_out < serial->num_ports) {
+                dev_err(&serial->interface->dev, "missing endpoints\n");
+                status = -ENODEV;
+                goto free_tdev;
+        }
        return 0;
 free_tdev:
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index af3c7eecff91..16cc18369111 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2109,6 +2109,13 @@ UNUSUAL_DEV(  0x152d, 0x2566, 0x0114, 0x0114,
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_BROKEN_FUA ),
+/* Reported-by George Cherian <george.cherian@cavium.com> */
+UNUSUAL_DEV(0x152d, 0x9561, 0x0000, 0x9999,
+                "JMicron",
+                "JMS56x",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+                US_FL_NO_REPORT_OPCODES),
 /*
 * Entrega Technologies U1-SC25 (later Xircom PortGear PGSCSI)
 * and Mac USB Dock USB-SCSI */
diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
index be1ee89ee917..36d75c367d22 100644
--- a/drivers/vfio/mdev/mdev_core.c
+++ b/drivers/vfio/mdev/mdev_core.c
@@ -27,6 +27,45 @@ static LIST_HEAD(parent_list);
 static DEFINE_MUTEX(parent_list_lock);
 static struct class_compat *mdev_bus_compat_class;
+static LIST_HEAD(mdev_list);
+static DEFINE_MUTEX(mdev_list_lock);
+struct device *mdev_parent_dev(struct mdev_device *mdev)
+{
+        return mdev->parent->dev;
+}
+EXPORT_SYMBOL(mdev_parent_dev);
+void *mdev_get_drvdata(struct mdev_device *mdev)
+{
+        return mdev->driver_data;
+}
+EXPORT_SYMBOL(mdev_get_drvdata);
+void mdev_set_drvdata(struct mdev_device *mdev, void *data)
+{
+        mdev->driver_data = data;
+}
+EXPORT_SYMBOL(mdev_set_drvdata);
+struct device *mdev_dev(struct mdev_device *mdev)
+{
+        return &mdev->dev;
+}
+EXPORT_SYMBOL(mdev_dev);
+struct mdev_device *mdev_from_dev(struct device *dev)
+{
+        return dev_is_mdev(dev) ? to_mdev_device(dev) : NULL;
+}
+EXPORT_SYMBOL(mdev_from_dev);
+uuid_le mdev_uuid(struct mdev_device *mdev)
+{
+        return mdev->uuid;
+}
+EXPORT_SYMBOL(mdev_uuid);
 static int _find_mdev_device(struct device *dev, void *data)
 {
        struct mdev_device *mdev;
@@ -42,7 +81,7 @@ static int _find_mdev_device(struct device *dev, void *data)
        return 0;
 }
-static bool mdev_device_exist(struct parent_device *parent, uuid_le uuid)
+static bool mdev_device_exist(struct mdev_parent *parent, uuid_le uuid)
 {
        struct device *dev;
@@ -56,9 +95,9 @@ static bool mdev_device_exist(struct parent_device *parent, uuid_le uuid)
 }
 /* Should be called holding parent_list_lock */
-static struct parent_device *__find_parent_device(struct device *dev)
+static struct mdev_parent *__find_parent_device(struct device *dev)
 {
-        struct parent_device *parent;
+        struct mdev_parent *parent;
        list_for_each_entry(parent, &parent_list, next) {
                if (parent->dev == dev)
@@ -69,8 +108,8 @@ static struct parent_device *__find_parent_device(struct device *dev)
 static void mdev_release_parent(struct kref *kref)
 {
-        struct parent_device *parent = container_of(kref, struct parent_device,
+        struct mdev_parent *parent = container_of(kref, struct mdev_parent,
-                                                    ref);
+                                                  ref);
        struct device *dev = parent->dev;
        kfree(parent);
@@ -78,7 +117,7 @@ static void mdev_release_parent(struct kref *kref)
 }
 static
-inline struct parent_device *mdev_get_parent(struct parent_device *parent)
+inline struct mdev_parent *mdev_get_parent(struct mdev_parent *parent)
 {
        if (parent)
                kref_get(&parent->ref);
@@ -86,7 +125,7 @@ inline struct parent_device *mdev_get_parent(struct parent_device *parent)
        return parent;
 }
-static inline void mdev_put_parent(struct parent_device *parent)
+static inline void mdev_put_parent(struct mdev_parent *parent)
 {
        if (parent)
                kref_put(&parent->ref, mdev_release_parent);
@@ -95,7 +134,7 @@ static inline void mdev_put_parent(struct parent_device *parent)
 static int mdev_device_create_ops(struct kobject *kobj,
                                  struct mdev_device *mdev)
 {
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        int ret;
        ret = parent->ops->create(kobj, mdev);
@@ -122,7 +161,7 @@ static int mdev_device_create_ops(struct kobject *kobj,
 */
 static int mdev_device_remove_ops(struct mdev_device *mdev, bool force_remove)
 {
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        int ret;
        /*
@@ -153,10 +192,10 @@ static int mdev_device_remove_cb(struct device *dev, void *data)
 * Add device to list of registered parent devices.
 * Returns a negative value on error, otherwise 0.
 */
-int mdev_register_device(struct device *dev, const struct parent_ops *ops)
+int mdev_register_device(struct device *dev, const struct mdev_parent_ops *ops)
 {
        int ret;
-        struct parent_device *parent;
+        struct mdev_parent *parent;
        /* check for mandatory ops */
        if (!ops || !ops->create || !ops->remove || !ops->supported_type_groups)
@@ -229,7 +268,7 @@ EXPORT_SYMBOL(mdev_register_device);
 void mdev_unregister_device(struct device *dev)
 {
-        struct parent_device *parent;
+        struct mdev_parent *parent;
        bool force_remove = true;
        mutex_lock(&parent_list_lock);
@@ -266,7 +305,7 @@ int mdev_device_create(struct kobject *kobj, struct device *dev, uuid_le uuid)
 {
        int ret;
        struct mdev_device *mdev;
-        struct parent_device *parent;
+        struct mdev_parent *parent;
        struct mdev_type *type = to_mdev_type(kobj);
        parent = mdev_get_parent(type->parent);
@@ -316,6 +355,11 @@ int mdev_device_create(struct kobject *kobj, struct device *dev, uuid_le uuid)
        dev_dbg(&mdev->dev, "MDEV: created\n");
        mutex_unlock(&parent->lock);
+        mutex_lock(&mdev_list_lock);
+        list_add(&mdev->next, &mdev_list);
+        mutex_unlock(&mdev_list_lock);
        return ret;
 create_failed:
@@ -329,12 +373,30 @@ create_err:
 int mdev_device_remove(struct device *dev, bool force_remove)
 {
-        struct mdev_device *mdev;
+        struct mdev_device *mdev, *tmp;
-        struct parent_device *parent;
+        struct mdev_parent *parent;
        struct mdev_type *type;
        int ret;
+        bool found = false;
        mdev = to_mdev_device(dev);
+        mutex_lock(&mdev_list_lock);
+        list_for_each_entry(tmp, &mdev_list, next) {
+                if (tmp == mdev) {
+                        found = true;
+                        break;
+                }
+        }
+        if (found)
+                list_del(&mdev->next);
+        mutex_unlock(&mdev_list_lock);
+        if (!found)
+                return -ENODEV;
        type = to_mdev_type(mdev->type_kobj);
        parent = mdev->parent;
        mutex_lock(&parent->lock);
@@ -342,6 +404,11 @@ int mdev_device_remove(struct device *dev, bool force_remove)
        ret = mdev_device_remove_ops(mdev, force_remove);
        if (ret) {
                mutex_unlock(&parent->lock);
+                mutex_lock(&mdev_list_lock);
+                list_add(&mdev->next, &mdev_list);
+                mutex_unlock(&mdev_list_lock);
                return ret;
        }
@@ -349,7 +416,8 @@ int mdev_device_remove(struct device *dev, bool force_remove)
        device_unregister(dev);
        mutex_unlock(&parent->lock);
        mdev_put_parent(parent);
-        return ret;
+        return 0;
 }
 static int __init mdev_init(void)
diff --git a/drivers/vfio/mdev/mdev_private.h b/drivers/vfio/mdev/mdev_private.h
index d35097cbf3d7..a9cefd70a705 100644
--- a/drivers/vfio/mdev/mdev_private.h
+++ b/drivers/vfio/mdev/mdev_private.h
@@ -16,10 +16,33 @@
 int  mdev_bus_register(void);
 void mdev_bus_unregister(void);
+struct mdev_parent {
+        struct device *dev;
+        const struct mdev_parent_ops *ops;
+        struct kref ref;
+        struct mutex lock;
+        struct list_head next;
+        struct kset *mdev_types_kset;
+        struct list_head type_list;
+};
+struct mdev_device {
+        struct device dev;
+        struct mdev_parent *parent;
+        uuid_le uuid;
+        void *driver_data;
+        struct kref ref;
+        struct list_head next;
+        struct kobject *type_kobj;
+};
+#define to_mdev_device(dev)     container_of(dev, struct mdev_device, dev)
+#define dev_is_mdev(d)          ((d)->bus == &mdev_bus_type)
 struct mdev_type {
        struct kobject kobj;
        struct kobject *devices_kobj;
-        struct parent_device *parent;
+        struct mdev_parent *parent;
        struct list_head next;
        struct attribute_group *group;
 };
@@ -29,8 +52,8 @@ struct mdev_type {
 #define to_mdev_type(_kobj)             \
        container_of(_kobj, struct mdev_type, kobj)
-int  parent_create_sysfs_files(struct parent_device *parent);
+int  parent_create_sysfs_files(struct mdev_parent *parent);
-void parent_remove_sysfs_files(struct parent_device *parent);
+void parent_remove_sysfs_files(struct mdev_parent *parent);
 int  mdev_create_sysfs_files(struct device *dev, struct mdev_type *type);
 void mdev_remove_sysfs_files(struct device *dev, struct mdev_type *type);
diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c
index 1a53deb2ee10..802df210929b 100644
--- a/drivers/vfio/mdev/mdev_sysfs.c
+++ b/drivers/vfio/mdev/mdev_sysfs.c
@@ -92,7 +92,7 @@ static struct kobj_type mdev_type_ktype = {
        .release = mdev_type_release,
 };
-struct mdev_type *add_mdev_supported_type(struct parent_device *parent,
+struct mdev_type *add_mdev_supported_type(struct mdev_parent *parent,
                                          struct attribute_group *group)
 {
        struct mdev_type *type;
@@ -158,7 +158,7 @@ static void remove_mdev_supported_type(struct mdev_type *type)
        kobject_put(&type->kobj);
 }
-static int add_mdev_supported_type_groups(struct parent_device *parent)
+static int add_mdev_supported_type_groups(struct mdev_parent *parent)
 {
        int i;
@@ -183,7 +183,7 @@ static int add_mdev_supported_type_groups(struct parent_device *parent)
 }
 /* mdev sysfs functions */
-void parent_remove_sysfs_files(struct parent_device *parent)
+void parent_remove_sysfs_files(struct mdev_parent *parent)
 {
        struct mdev_type *type, *tmp;
@@ -196,7 +196,7 @@ void parent_remove_sysfs_files(struct parent_device *parent)
        kset_unregister(parent->mdev_types_kset);
 }
-int parent_create_sysfs_files(struct parent_device *parent)
+int parent_create_sysfs_files(struct mdev_parent *parent)
 {
        int ret;
diff --git a/drivers/vfio/mdev/vfio_mdev.c b/drivers/vfio/mdev/vfio_mdev.c
index ffc36758cb84..fa848a701b8b 100644
--- a/drivers/vfio/mdev/vfio_mdev.c
+++ b/drivers/vfio/mdev/vfio_mdev.c
@@ -27,7 +27,7 @@
 static int vfio_mdev_open(void *device_data)
 {
        struct mdev_device *mdev = device_data;
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        int ret;
        if (unlikely(!parent->ops->open))
@@ -46,7 +46,7 @@ static int vfio_mdev_open(void *device_data)
 static void vfio_mdev_release(void *device_data)
 {
        struct mdev_device *mdev = device_data;
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        if (likely(parent->ops->release))
                parent->ops->release(mdev);
@@ -58,7 +58,7 @@ static long vfio_mdev_unlocked_ioctl(void *device_data,
                                     unsigned int cmd, unsigned long arg)
 {
        struct mdev_device *mdev = device_data;
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        if (unlikely(!parent->ops->ioctl))
                return -EINVAL;
@@ -70,7 +70,7 @@ static ssize_t vfio_mdev_read(void *device_data, char __user *buf,
                              size_t count, loff_t *ppos)
 {
        struct mdev_device *mdev = device_data;
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        if (unlikely(!parent->ops->read))
                return -EINVAL;
@@ -82,7 +82,7 @@ static ssize_t vfio_mdev_write(void *device_data, const char __user *buf,
                               size_t count, loff_t *ppos)
 {
        struct mdev_device *mdev = device_data;
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        if (unlikely(!parent->ops->write))
                return -EINVAL;
@@ -93,7 +93,7 @@ static ssize_t vfio_mdev_write(void *device_data, const char __user *buf,
 static int vfio_mdev_mmap(void *device_data, struct vm_area_struct *vma)
 {
        struct mdev_device *mdev = device_data;
-        struct parent_device *parent = mdev->parent;
+        struct mdev_parent *parent = mdev->parent;
        if (unlikely(!parent->ops->mmap))
                return -EINVAL;
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index dcd7c2a99618..324c52e3a1a4 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -1142,6 +1142,10 @@ static int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma)
                        return ret;
                vdev->barmap[index] = pci_iomap(pdev, index, 0);
+                if (!vdev->barmap[index]) {
+                        pci_release_selected_regions(pdev, 1 << index);
+                        return -ENOMEM;
+                }
        }
        vma->vm_private_data = vdev;
diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c
index 5ffd1d9ad4bd..357243d76f10 100644
--- a/drivers/vfio/pci/vfio_pci_rdwr.c
+++ b/drivers/vfio/pci/vfio_pci_rdwr.c
@@ -193,7 +193,10 @@ ssize_t vfio_pci_vga_rw(struct vfio_pci_device *vdev, char __user *buf,
        if (!vdev->has_vga)
                return -EINVAL;
-        switch (pos) {
+        if (pos > 0xbfffful)
+                return -EINVAL;
+        switch ((u32)pos) {
        case 0xa0000 ... 0xbffff:
                count = min(count, (size_t)(0xc0000 - pos));
                iomem = ioremap_nocache(0xa0000, 0xbffff - 0xa0000 + 1);
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index f3726ba12aa6..9266271a787a 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -268,28 +268,38 @@ static void vfio_lock_acct(struct task_struct *task, long npage)
 {
        struct vwork *vwork;
        struct mm_struct *mm;
+        bool is_current;
        if (!npage)
                return;
-        mm = get_task_mm(task);
+        is_current = (task->mm == current->mm);
+        mm = is_current ? task->mm : get_task_mm(task);
        if (!mm)
-                return; /* process exited or nothing to do */
+                return; /* process exited */
        if (down_write_trylock(&mm->mmap_sem)) {
                mm->locked_vm += npage;
                up_write(&mm->mmap_sem);
-                mmput(mm);
+                if (!is_current)
+                        mmput(mm);
                return;
        }
+        if (is_current) {
+                mm = get_task_mm(task);
+                if (!mm)
+                        return;
+        }
        /*
         * Couldn't get mmap_sem lock, so must setup to update
         * mm->locked_vm later. If locked_vm were atomic, we
         * wouldn't need this silliness
         */
        vwork = kmalloc(sizeof(struct vwork), GFP_KERNEL);
-        if (!vwork) {
+        if (WARN_ON(!vwork)) {
                mmput(mm);
                return;
        }
@@ -393,77 +403,71 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
 static long vfio_pin_pages_remote(struct vfio_dma *dma, unsigned long vaddr,
                                  long npage, unsigned long *pfn_base)
 {
-        unsigned long limit;
+        unsigned long limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
-        bool lock_cap = ns_capable(task_active_pid_ns(dma->task)->user_ns,
+        bool lock_cap = capable(CAP_IPC_LOCK);
-                                   CAP_IPC_LOCK);
+        long ret, pinned = 0, lock_acct = 0;
-        struct mm_struct *mm;
-        long ret, i = 0, lock_acct = 0;
        bool rsvd;
        dma_addr_t iova = vaddr - dma->vaddr + dma->iova;
-        mm = get_task_mm(dma->task);
+        /* This code path is only user initiated */
-        if (!mm)
+        if (!current->mm)
                return -ENODEV;
-        ret = vaddr_get_pfn(mm, vaddr, dma->prot, pfn_base);
+        ret = vaddr_get_pfn(current->mm, vaddr, dma->prot, pfn_base);
        if (ret)
-                goto pin_pg_remote_exit;
+                return ret;
+        pinned++;
        rsvd = is_invalid_reserved_pfn(*pfn_base);
-        limit = task_rlimit(dma->task, RLIMIT_MEMLOCK) >> PAGE_SHIFT;
        /*
         * Reserved pages aren't counted against the user, externally pinned
         * pages are already counted against the user.
         */
        if (!rsvd && !vfio_find_vpfn(dma, iova)) {
-                if (!lock_cap && mm->locked_vm + 1 > limit) {
+                if (!lock_cap && current->mm->locked_vm + 1 > limit) {
                        put_pfn(*pfn_base, dma->prot);
                        pr_warn("%s: RLIMIT_MEMLOCK (%ld) exceeded\n", __func__,
                                        limit << PAGE_SHIFT);
-                        ret = -ENOMEM;
+                        return -ENOMEM;
-                        goto pin_pg_remote_exit;
                }
                lock_acct++;
        }
-        i++;
+        if (unlikely(disable_hugepages))
-        if (likely(!disable_hugepages)) {
+                goto out;
-                /* Lock all the consecutive pages from pfn_base */
-                for (vaddr += PAGE_SIZE, iova += PAGE_SIZE; i < npage;
-                     i++, vaddr += PAGE_SIZE, iova += PAGE_SIZE) {
-                        unsigned long pfn = 0;
-                        ret = vaddr_get_pfn(mm, vaddr, dma->prot, &pfn);
+        /* Lock all the consecutive pages from pfn_base */
-                        if (ret)
+        for (vaddr += PAGE_SIZE, iova += PAGE_SIZE; pinned < npage;
-                                break;
+             pinned++, vaddr += PAGE_SIZE, iova += PAGE_SIZE) {
+                unsigned long pfn = 0;
-                        if (pfn != *pfn_base + i ||
+                ret = vaddr_get_pfn(current->mm, vaddr, dma->prot, &pfn);
-                            rsvd != is_invalid_reserved_pfn(pfn)) {
+                if (ret)
+                        break;
+                if (pfn != *pfn_base + pinned ||
+                    rsvd != is_invalid_reserved_pfn(pfn)) {
+                        put_pfn(pfn, dma->prot);
+                        break;
+                }
+                if (!rsvd && !vfio_find_vpfn(dma, iova)) {
+                        if (!lock_cap &&
+                            current->mm->locked_vm + lock_acct + 1 > limit) {
                                put_pfn(pfn, dma->prot);
+                                pr_warn("%s: RLIMIT_MEMLOCK (%ld) exceeded\n",
+                                        __func__, limit << PAGE_SHIFT);
                                break;
                        }
+                        lock_acct++;
-                        if (!rsvd && !vfio_find_vpfn(dma, iova)) {
-                                if (!lock_cap &&
-                                    mm->locked_vm + lock_acct + 1 > limit) {
-                                        put_pfn(pfn, dma->prot);
-                                        pr_warn("%s: RLIMIT_MEMLOCK (%ld) "
-                                                "exceeded\n", __func__,
-                                                limit << PAGE_SHIFT);
-                                        break;
-                                }
-                                lock_acct++;
-                        }
                }
        }
-        vfio_lock_acct(dma->task, lock_acct);
+out:
-        ret = i;
+        vfio_lock_acct(current, lock_acct);
-pin_pg_remote_exit:
+        return pinned;
-        mmput(mm);
-        return ret;
 }
 static long vfio_unpin_pages_remote(struct vfio_dma *dma, dma_addr_t iova,
@@ -473,10 +477,10 @@ static long vfio_unpin_pages_remote(struct vfio_dma *dma, dma_addr_t iova,
        long unlocked = 0, locked = 0;
        long i;
-        for (i = 0; i < npage; i++) {
+        for (i = 0; i < npage; i++, iova += PAGE_SIZE) {
                if (put_pfn(pfn++, dma->prot)) {
                        unlocked++;
-                        if (vfio_find_vpfn(dma, iova + (i << PAGE_SHIFT)))
+                        if (vfio_find_vpfn(dma, iova))
                                locked++;
                }
        }
diff --git a/drivers/video/fbdev/cobalt_lcdfb.c b/drivers/video/fbdev/cobalt_lcdfb.c
index 2d3b691f3fc4..038ac6934fe9 100644
--- a/drivers/video/fbdev/cobalt_lcdfb.c
+++ b/drivers/video/fbdev/cobalt_lcdfb.c
@@ -308,6 +308,11 @@ static int cobalt_lcdfb_probe(struct platform_device *dev)
        info->screen_size = resource_size(res);
        info->screen_base = devm_ioremap(&dev->dev, res->start,
                                         info->screen_size);
+        if (!info->screen_base) {
+                framebuffer_release(info);
+                return -ENOMEM;
+        }
        info->fbops = &cobalt_lcd_fbops;
        info->fix = cobalt_lcdfb_fix;
        info->fix.smem_start = res->start;
diff --git a/drivers/xen/arm-device.c b/drivers/xen/arm-device.c
index 778acf80aacb..85dd20e05726 100644
--- a/drivers/xen/arm-device.c
+++ b/drivers/xen/arm-device.c
@@ -58,9 +58,13 @@ static int xen_map_device_mmio(const struct resource *resources,
        xen_pfn_t *gpfns;
        xen_ulong_t *idxs;
        int *errs;
-        struct xen_add_to_physmap_range xatp;
        for (i = 0; i < count; i++) {
+                struct xen_add_to_physmap_range xatp = {
+                        .domid = DOMID_SELF,
+                        .space = XENMAPSPACE_dev_mmio
+                };
                r = &resources[i];
                nr = DIV_ROUND_UP(resource_size(r), XEN_PAGE_SIZE);
                if ((resource_type(r) != IORESOURCE_MEM) || (nr == 0))
@@ -87,9 +91,7 @@ static int xen_map_device_mmio(const struct resource *resources,
                        idxs[j] = XEN_PFN_DOWN(r->start) + j;
                }
-                xatp.domid = DOMID_SELF;
                xatp.size = nr;
-                xatp.space = XENMAPSPACE_dev_mmio;
                set_xen_guest_handle(xatp.gpfns, gpfns);
                set_xen_guest_handle(xatp.idxs, idxs);
diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c
index c03f9c86c7e3..3c41470c7fc4 100644
--- a/drivers/xen/events/events_fifo.c
+++ b/drivers/xen/events/events_fifo.c
@@ -369,8 +369,7 @@ static void evtchn_fifo_resume(void)
                }
                ret = init_control_block(cpu, control_block);
-                if (ret < 0)
+                BUG_ON(ret < 0);
-                        BUG();
        }
        /*
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index e8c7f09d01be..6890897a6f30 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -125,7 +125,7 @@ static int add_evtchn(struct per_user_data *u, struct user_evtchn *evtchn)
        while (*new) {
                struct user_evtchn *this;
-                this = container_of(*new, struct user_evtchn, node);
+                this = rb_entry(*new, struct user_evtchn, node);
                parent = *new;
                if (this->port < evtchn->port)
@@ -157,7 +157,7 @@ static struct user_evtchn *find_evtchn(struct per_user_data *u, unsigned port)
        while (node) {
                struct user_evtchn *evtchn;
-                evtchn = container_of(node, struct user_evtchn, node);
+                evtchn = rb_entry(node, struct user_evtchn, node);
                if (evtchn->port < port)
                        node = node->rb_left;
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 478fb91e3df2..f905d6eeb048 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -275,6 +275,10 @@ retry:
                rc = 0;
        } else
                rc = swiotlb_late_init_with_tbl(xen_io_tlb_start, xen_io_tlb_nslabs);
+        if (!rc)
+                swiotlb_set_max_segment(PAGE_SIZE);
        return rc;
 error:
        if (repeat--) {
@@ -392,7 +396,7 @@ dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
        if (dma_capable(dev, dev_addr, size) &&
            !range_straddles_page_boundary(phys, size) &&
                !xen_arch_need_swiotlb(dev, phys, dev_addr) &&
-                !swiotlb_force) {
+                (swiotlb_force != SWIOTLB_FORCE)) {
                /* we are not interested in the dma_addr returned by
                 * xen_dma_map_page, only in the potential cache flushes executed
                 * by the function. */
@@ -552,7 +556,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
                phys_addr_t paddr = sg_phys(sg);
                dma_addr_t dev_addr = xen_phys_to_bus(paddr);
-                if (swiotlb_force ||
+                if (swiotlb_force == SWIOTLB_FORCE ||
                    xen_arch_need_swiotlb(hwdev, paddr, dev_addr) ||
                    !dma_capable(hwdev, dev_addr, sg->length) ||
                    range_straddles_page_boundary(paddr, sg->length)) {
diff --git a/drivers/xen/xenbus/xenbus_comms.h b/drivers/xen/xenbus/xenbus_comms.h
index e74f9c1fbd80..867a2e425208 100644
--- a/drivers/xen/xenbus/xenbus_comms.h
+++ b/drivers/xen/xenbus/xenbus_comms.h
@@ -42,7 +42,6 @@ int xb_write(const void *data, unsigned len);
 int xb_read(void *data, unsigned len);
 int xb_data_to_read(void);
 int xb_wait_for_data_to_read(void);
-int xs_input_avail(void);
 extern struct xenstore_domain_interface *xen_store_interface;
 extern int xen_store_evtchn;
 extern enum xenstore_init xen_store_domain_type;
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 6c0ead4be784..79130b310247 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -302,6 +302,29 @@ static void watch_fired(struct xenbus_watch *watch,
        mutex_unlock(&adap->dev_data->reply_mutex);
 }
+static int xenbus_command_reply(struct xenbus_file_priv *u,
+                                unsigned int msg_type, const char *reply)
+{
+        struct {
+                struct xsd_sockmsg hdr;
+                const char body[16];
+        } msg;
+        int rc;
+        msg.hdr = u->u.msg;
+        msg.hdr.type = msg_type;
+        msg.hdr.len = strlen(reply) + 1;
+        if (msg.hdr.len > sizeof(msg.body))
+                return -E2BIG;
+        mutex_lock(&u->reply_mutex);
+        rc = queue_reply(&u->read_buffers, &msg, sizeof(msg.hdr) + msg.hdr.len);
+        wake_up(&u->read_waitq);
+        mutex_unlock(&u->reply_mutex);
+        return rc;
+}
 static int xenbus_write_transaction(unsigned msg_type,
                                    struct xenbus_file_priv *u)
 {
@@ -316,12 +339,12 @@ static int xenbus_write_transaction(unsigned msg_type,
                        rc = -ENOMEM;
                        goto out;
                }
-        } else if (msg_type == XS_TRANSACTION_END) {
+        } else if (u->u.msg.tx_id != 0) {
                list_for_each_entry(trans, &u->transactions, list)
                        if (trans->handle.id == u->u.msg.tx_id)
                                break;
                if (&trans->list == &u->transactions)
-                        return -ESRCH;
+                        return xenbus_command_reply(u, XS_ERROR, "ENOENT");
        }
        reply = xenbus_dev_request_and_reply(&u->u.msg);
@@ -372,12 +395,12 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u)
        path = u->u.buffer + sizeof(u->u.msg);
        token = memchr(path, 0, u->u.msg.len);
        if (token == NULL) {
-                rc = -EILSEQ;
+                rc = xenbus_command_reply(u, XS_ERROR, "EINVAL");
                goto out;
        }
        token++;
        if (memchr(token, 0, u->u.msg.len - (token - path)) == NULL) {
-                rc = -EILSEQ;
+                rc = xenbus_command_reply(u, XS_ERROR, "EINVAL");
                goto out;
        }
@@ -411,23 +434,7 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u)
        }
        /* Success.  Synthesize a reply to say all is OK. */
-        {
+        rc = xenbus_command_reply(u, msg_type, "OK");
-                struct {
-                        struct xsd_sockmsg hdr;
-                        char body[3];
-                } __packed reply = {
-                        {
-                                .type = msg_type,
-                                .len = sizeof(reply.body)
-                        },
-                        "OK"
-                };
-                mutex_lock(&u->reply_mutex);
-                rc = queue_reply(&u->read_buffers, &reply, sizeof(reply));
-                wake_up(&u->read_waitq);
-                mutex_unlock(&u->reply_mutex);
-        }
 out:
        return rc;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 6254cee8f8f3..5db5d1340d69 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -328,6 +328,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
        struct file *file = iocb->ki_filp;
        struct inode *inode = bdev_file_inode(file);
        struct block_device *bdev = I_BDEV(inode);
+        struct blk_plug plug;
        struct blkdev_dio *dio;
        struct bio *bio;
        bool is_read = (iov_iter_rw(iter) == READ);
@@ -353,6 +354,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
        dio->multi_bio = false;
        dio->should_dirty = is_read && (iter->type == ITER_IOVEC);
+        blk_start_plug(&plug);
        for (;;) {
                bio->bi_bdev = bdev;
                bio->bi_iter.bi_sector = pos >> 9;
@@ -394,6 +396,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
                submit_bio(bio);
                bio = bio_alloc(GFP_KERNEL, nr_pages);
        }
+        blk_finish_plug(&plug);
        if (!dio->is_sync)
                return -EIOCBQUEUED;
diff --git a/fs/buffer.c b/fs/buffer.c
index d21771fcf7d3..0e87401cf335 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1660,7 +1660,7 @@ void clean_bdev_aliases(struct block_device *bdev, sector_t block, sector_t len)
                        head = page_buffers(page);
                        bh = head;
                        do {
-                                if (!buffer_mapped(bh))
+                                if (!buffer_mapped(bh) || (bh->b_blocknr < block))
                                        goto next;
                                if (bh->b_blocknr >= block + len)
                                        break;
diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c
index 6eeea1dcba41..95cd4c3b06c3 100644
--- a/fs/crypto/keyinfo.c
+++ b/fs/crypto/keyinfo.c
@@ -248,7 +248,8 @@ retry:
                goto out;
        if (fscrypt_dummy_context_enabled(inode)) {
-                memset(raw_key, 0x42, FS_AES_256_XTS_KEY_SIZE);
+                memset(raw_key, 0x42, keysize/2);
+                memset(raw_key+keysize/2, 0x24, keysize - (keysize/2));
                goto got_key;
        }
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index 6ed7c2eebeec..d6cd7ea4851d 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -179,6 +179,11 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
                BUG_ON(1);
        }
+        /* No restrictions on file types which are never encrypted */
+        if (!S_ISREG(child->i_mode) && !S_ISDIR(child->i_mode) &&
+            !S_ISLNK(child->i_mode))
+                return 1;
        /* no restrictions if the parent directory is not encrypted */
        if (!parent->i_sb->s_cop->is_encrypted(parent))
                return 1;
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index d3fea0bd89e2..6043306e8e21 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -510,18 +510,6 @@ void fsnotify_detach_group_marks(struct fsnotify_group *group)
        }
 }
-void fsnotify_duplicate_mark(struct fsnotify_mark *new, struct fsnotify_mark *old)
-{
-        assert_spin_locked(&old->lock);
-        new->inode = old->inode;
-        new->mnt = old->mnt;
-        if (old->group)
-                fsnotify_get_group(old->group);
-        new->group = old->group;
-        new->mask = old->mask;
-        new->free_mark = old->free_mark;
-}
 /*
 * Nothing fancy, just initialize lists and locks and counters.
 */
diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c
index e5ebc3770460..d346d42c54d1 100644
--- a/fs/xfs/libxfs/xfs_ag_resv.c
+++ b/fs/xfs/libxfs/xfs_ag_resv.c
@@ -256,6 +256,9 @@ xfs_ag_resv_init(
                        goto out;
        }
+        ASSERT(xfs_perag_resv(pag, XFS_AG_RESV_METADATA)->ar_reserved +
+               xfs_perag_resv(pag, XFS_AG_RESV_AGFL)->ar_reserved <=
+               pag->pagf_freeblks + pag->pagf_flcount);
 out:
        return error;
 }
diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c
index 6fb2215f8ff7..50add5272807 100644
--- a/fs/xfs/libxfs/xfs_refcount_btree.c
+++ b/fs/xfs/libxfs/xfs_refcount_btree.c
@@ -409,13 +409,14 @@ xfs_refcountbt_calc_size(
 */
 xfs_extlen_t
 xfs_refcountbt_max_size(
-        struct xfs_mount        *mp)
+        struct xfs_mount        *mp,
+        xfs_agblock_t           agblocks)
 {
        /* Bail out if we're uninitialized, which can happen in mkfs. */
        if (mp->m_refc_mxr[0] == 0)
                return 0;
-        return xfs_refcountbt_calc_size(mp, mp->m_sb.sb_agblocks);
+        return xfs_refcountbt_calc_size(mp, agblocks);
 }
 /*
@@ -430,22 +431,24 @@ xfs_refcountbt_calc_reserves(
 {
        struct xfs_buf          *agbp;
        struct xfs_agf          *agf;
+        xfs_agblock_t           agblocks;
        xfs_extlen_t            tree_len;
        int                     error;
        if (!xfs_sb_version_hasreflink(&mp->m_sb))
                return 0;
-        *ask += xfs_refcountbt_max_size(mp);
        error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp);
        if (error)
                return error;
        agf = XFS_BUF_TO_AGF(agbp);
+        agblocks = be32_to_cpu(agf->agf_length);
        tree_len = be32_to_cpu(agf->agf_refcount_blocks);
        xfs_buf_relse(agbp);
+        *ask += xfs_refcountbt_max_size(mp, agblocks);
        *used += tree_len;
        return error;
diff --git a/fs/xfs/libxfs/xfs_refcount_btree.h b/fs/xfs/libxfs/xfs_refcount_btree.h
index 3be7768bd51a..9db008b955b7 100644
--- a/fs/xfs/libxfs/xfs_refcount_btree.h
+++ b/fs/xfs/libxfs/xfs_refcount_btree.h
@@ -66,7 +66,8 @@ extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp);
 extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp,
                unsigned long long len);
-extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp);
+extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp,
+                xfs_agblock_t agblocks);
 extern int xfs_refcountbt_calc_reserves(struct xfs_mount *mp,
                xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used);
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c
index de25771764ba..74e5a54bc428 100644
--- a/fs/xfs/libxfs/xfs_rmap_btree.c
+++ b/fs/xfs/libxfs/xfs_rmap_btree.c
@@ -550,13 +550,14 @@ xfs_rmapbt_calc_size(
 */
 xfs_extlen_t
 xfs_rmapbt_max_size(
-        struct xfs_mount        *mp)
+        struct xfs_mount        *mp,
+        xfs_agblock_t           agblocks)
 {
        /* Bail out if we're uninitialized, which can happen in mkfs. */
        if (mp->m_rmap_mxr[0] == 0)
                return 0;
-        return xfs_rmapbt_calc_size(mp, mp->m_sb.sb_agblocks);
+        return xfs_rmapbt_calc_size(mp, agblocks);
 }
 /*
@@ -571,25 +572,24 @@ xfs_rmapbt_calc_reserves(
 {
        struct xfs_buf          *agbp;
        struct xfs_agf          *agf;
-        xfs_extlen_t            pool_len;
+        xfs_agblock_t           agblocks;
        xfs_extlen_t            tree_len;
        int                     error;
        if (!xfs_sb_version_hasrmapbt(&mp->m_sb))
                return 0;
-        /* Reserve 1% of the AG or enough for 1 block per record. */
-        pool_len = max(mp->m_sb.sb_agblocks / 100, xfs_rmapbt_max_size(mp));
-        *ask += pool_len;
        error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp);
        if (error)
                return error;
        agf = XFS_BUF_TO_AGF(agbp);
+        agblocks = be32_to_cpu(agf->agf_length);
        tree_len = be32_to_cpu(agf->agf_rmap_blocks);
        xfs_buf_relse(agbp);
+        /* Reserve 1% of the AG or enough for 1 block per record. */
+        *ask += max(agblocks / 100, xfs_rmapbt_max_size(mp, agblocks));
        *used += tree_len;
        return error;
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h
index 2a9ac472fb15..19c08e933049 100644
--- a/fs/xfs/libxfs/xfs_rmap_btree.h
+++ b/fs/xfs/libxfs/xfs_rmap_btree.h
@@ -60,7 +60,8 @@ extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp);
 extern xfs_extlen_t xfs_rmapbt_calc_size(struct xfs_mount *mp,
                unsigned long long len);
-extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp);
+extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp,
+                xfs_agblock_t agblocks);
 extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp,
                xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used);
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 93d12fa2670d..242e8091296d 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -631,6 +631,20 @@ xfs_growfs_data_private(
        xfs_set_low_space_thresholds(mp);
        mp->m_alloc_set_aside = xfs_alloc_set_aside(mp);
+        /*
+         * If we expanded the last AG, free the per-AG reservation
+         * so we can reinitialize it with the new size.
+         */
+        if (new) {
+                struct xfs_perag        *pag;
+                pag = xfs_perag_get(mp, agno);
+                error = xfs_ag_resv_free(pag);
+                xfs_perag_put(pag);
+                if (error)
+                        goto out;
+        }
        /* Reserve AG metadata blocks. */
        error = xfs_fs_reserve_ag_blocks(mp);
        if (error && error != -ENOSPC)
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index ff4d6311c7f4..70ca4f608321 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1597,7 +1597,8 @@ xfs_inode_free_cowblocks(
         * If the mapping is dirty or under writeback we cannot touch the
         * CoW fork.  Leave it alone if we're in the midst of a directio.
         */
-        if (mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY) ||
+        if ((VFS_I(ip)->i_state & I_DIRTY_PAGES) ||
+            mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY) ||
            mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_WRITEBACK) ||
            atomic_read(&VFS_I(ip)->i_dio_count))
                return 0;
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index fe86a668a57e..6e4c7446c3d4 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -526,13 +526,14 @@ xfs_cui_recover(
        xfs_refcount_finish_one_cleanup(tp, rcur, error);
        error = xfs_defer_finish(&tp, &dfops, NULL);
        if (error)
-                goto abort_error;
+                goto abort_defer;
        set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags);
        error = xfs_trans_commit(tp);
        return error;
 abort_error:
        xfs_refcount_finish_one_cleanup(tp, rcur, error);
+abort_defer:
        xfs_defer_cancel(&dfops);
        xfs_trans_cancel(tp);
        return error;
diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c
index 276d3023d60f..de6195e38910 100644
--- a/fs/xfs/xfs_sysfs.c
+++ b/fs/xfs/xfs_sysfs.c
@@ -396,7 +396,7 @@ max_retries_show(
        int             retries;
        struct xfs_error_cfg *cfg = to_error_cfg(kobject);
-        if (cfg->retry_timeout == XFS_ERR_RETRY_FOREVER)
+        if (cfg->max_retries == XFS_ERR_RETRY_FOREVER)
                retries = -1;
        else
                retries = cfg->max_retries;
@@ -422,7 +422,7 @@ max_retries_store(
                return -EINVAL;
        if (val == -1)
-                cfg->retry_timeout = XFS_ERR_RETRY_FOREVER;
+                cfg->max_retries = XFS_ERR_RETRY_FOREVER;
        else
                cfg->max_retries = val;
        return count;
diff --git a/include/asm-generic/asm-prototypes.h b/include/asm-generic/asm-prototypes.h
index df13637e4017..939869c772b1 100644
--- a/include/asm-generic/asm-prototypes.h
+++ b/include/asm-generic/asm-prototypes.h
@@ -1,7 +1,13 @@
 #include <linux/bitops.h>
+#undef __memset
 extern void *__memset(void *, int, __kernel_size_t);
+#undef __memcpy
 extern void *__memcpy(void *, const void *, __kernel_size_t);
+#undef __memmove
 extern void *__memmove(void *, const void *, __kernel_size_t);
+#undef memset
 extern void *memset(void *, int, __kernel_size_t);
+#undef memcpy
 extern void *memcpy(void *, const void *, __kernel_size_t);
+#undef memmove
 extern void *memmove(void *, const void *, __kernel_size_t);
diff --git a/include/dt-bindings/mfd/tps65217.h b/include/dt-bindings/mfd/tps65217.h
deleted file mode 100644
index cafb9e60cf12..000000000000
--- a/include/dt-bindings/mfd/tps65217.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This header provides macros for TI TPS65217 DT bindings.
- *
- * Copyright (C) 2016 Texas Instruments
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-#ifndef __DT_BINDINGS_TPS65217_H__
-#define __DT_BINDINGS_TPS65217_H__
-#define TPS65217_IRQ_USB        0
-#define TPS65217_IRQ_AC         1
-#define TPS65217_IRQ_PB         2
-#endif
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 0cf34d6cc253..487246546ebe 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -323,8 +323,6 @@ extern void fsnotify_init_mark(struct fsnotify_mark *mark, void (*free_mark)(str
 extern struct fsnotify_mark *fsnotify_find_inode_mark(struct fsnotify_group *group, struct inode *inode);
 /* find (and take a reference) to a mark associated with group and vfsmount */
 extern struct fsnotify_mark *fsnotify_find_vfsmount_mark(struct fsnotify_group *group, struct vfsmount *mnt);
-/* copy the values from old into new */
-extern void fsnotify_duplicate_mark(struct fsnotify_mark *new, struct fsnotify_mark *old);
 /* set the ignored_mask of a mark */
 extern void fsnotify_set_mark_ignored_mask_locked(struct fsnotify_mark *mark, __u32 mask);
 /* set the mask of a mark (might pin the object into memory */
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index e0341af6950e..76f39754e7b0 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -146,15 +146,6 @@ enum {
        DISK_EVENT_EJECT_REQUEST                = 1 << 1, /* eject requested */
 };
-#define BLK_SCSI_MAX_CMDS       (256)
-#define BLK_SCSI_CMD_PER_LONG   (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8))
-struct blk_scsi_cmd_filter {
-        unsigned long read_ok[BLK_SCSI_CMD_PER_LONG];
-        unsigned long write_ok[BLK_SCSI_CMD_PER_LONG];
-        struct kobject kobj;
-};
 struct disk_part_tbl {
        struct rcu_head rcu_head;
        int len;
diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h
index 228bd44efa4c..497f2b3a5a62 100644
--- a/include/linux/iio/common/st_sensors.h
+++ b/include/linux/iio/common/st_sensors.h
@@ -116,6 +116,16 @@ struct st_sensor_bdu {
 };
 /**
+ * struct st_sensor_das - ST sensor device data alignment selection
+ * @addr: address of the register.
+ * @mask: mask to write the das flag for left alignment.
+ */
+struct st_sensor_das {
+        u8 addr;
+        u8 mask;
+};
+/**
 * struct st_sensor_data_ready_irq - ST sensor device data-ready interrupt
 * @addr: address of the register.
 * @mask_int1: mask to enable/disable IRQ on INT1 pin.
@@ -185,6 +195,7 @@ struct st_sensor_transfer_function {
 * @enable_axis: Enable one or more axis of the sensor.
 * @fs: Full scale register and full scale list available.
 * @bdu: Block data update register.
+ * @das: Data Alignment Selection register.
 * @drdy_irq: Data ready register of the sensor.
 * @multi_read_bit: Use or not particular bit for [I2C/SPI] multi-read.
 * @bootime: samples to discard when sensor passing from power-down to power-up.
@@ -200,6 +211,7 @@ struct st_sensor_settings {
        struct st_sensor_axis enable_axis;
        struct st_sensor_fullscale fs;
        struct st_sensor_bdu bdu;
+        struct st_sensor_das das;
        struct st_sensor_data_ready_irq drdy_irq;
        bool multi_read_bit;
        unsigned int bootime;
diff --git a/include/linux/mdev.h b/include/linux/mdev.h
index ec819e9a115a..b6e048e1045f 100644
--- a/include/linux/mdev.h
+++ b/include/linux/mdev.h
@@ -13,34 +13,10 @@
 #ifndef MDEV_H
 #define MDEV_H
-/* Parent device */
+struct mdev_device;
-struct parent_device {
-        struct device           *dev;
-        const struct parent_ops *ops;
-        /* internal */
-        struct kref             ref;
-        struct mutex            lock;
-        struct list_head        next;
-        struct kset             *mdev_types_kset;
-        struct list_head        type_list;
-};
-/* Mediated device */
-struct mdev_device {
-        struct device           dev;
-        struct parent_device    *parent;
-        uuid_le                 uuid;
-        void                    *driver_data;
-        /* internal */
-        struct kref             ref;
-        struct list_head        next;
-        struct kobject          *type_kobj;
-};
 /**
- * struct parent_ops - Structure to be registered for each parent device to
+ * struct mdev_parent_ops - Structure to be registered for each parent device to
 * register the device to mdev module.
 *
 * @owner:              The module owner.
@@ -86,10 +62,9 @@ struct mdev_device {
 *                      @mdev: mediated device structure
 *                      @vma: vma structure
 * Parent device that support mediated device should be registered with mdev
- * module with parent_ops structure.
+ * module with mdev_parent_ops structure.
 **/
+struct mdev_parent_ops {
-struct parent_ops {
        struct module   *owner;
        const struct attribute_group **dev_attr_groups;
        const struct attribute_group **mdev_attr_groups;
@@ -103,7 +78,7 @@ struct parent_ops {
                        size_t count, loff_t *ppos);
        ssize_t (*write)(struct mdev_device *mdev, const char __user *buf,
                         size_t count, loff_t *ppos);
-        ssize_t (*ioctl)(struct mdev_device *mdev, unsigned int cmd,
+        long    (*ioctl)(struct mdev_device *mdev, unsigned int cmd,
                         unsigned long arg);
        int     (*mmap)(struct mdev_device *mdev, struct vm_area_struct *vma);
 };
@@ -142,27 +117,22 @@ struct mdev_driver {
 };
 #define to_mdev_driver(drv)     container_of(drv, struct mdev_driver, driver)
-#define to_mdev_device(dev)     container_of(dev, struct mdev_device, dev)
-static inline void *mdev_get_drvdata(struct mdev_device *mdev)
-{
-        return mdev->driver_data;
-}
-static inline void mdev_set_drvdata(struct mdev_device *mdev, void *data)
+extern void *mdev_get_drvdata(struct mdev_device *mdev);
-{
+extern void mdev_set_drvdata(struct mdev_device *mdev, void *data);
-        mdev->driver_data = data;
+extern uuid_le mdev_uuid(struct mdev_device *mdev);
-}
 extern struct bus_type mdev_bus_type;
-#define dev_is_mdev(d) ((d)->bus == &mdev_bus_type)
 extern int  mdev_register_device(struct device *dev,
-                                 const struct parent_ops *ops);
+                                 const struct mdev_parent_ops *ops);
 extern void mdev_unregister_device(struct device *dev);
 extern int  mdev_register_driver(struct mdev_driver *drv, struct module *owner);
 extern void mdev_unregister_driver(struct mdev_driver *drv);
+extern struct device *mdev_parent_dev(struct mdev_device *mdev);
+extern struct device *mdev_dev(struct mdev_device *mdev);
+extern struct mdev_device *mdev_from_dev(struct device *dev);
 #endif /* MDEV_H */
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 93bdb3485192..6533c16e27ad 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -1384,6 +1384,8 @@ int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val);
 int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv);
 int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port,
                                      bool *vlan_offload_disabled);
+void mlx4_handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl,
+                                       struct _rule_hw *eth_header);
 int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 9f489365b3d3..52b437431c6a 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -1071,11 +1071,6 @@ enum {
        MLX5_INFINIBAND_PORT_COUNTERS_GROUP   = 0x20,
 };
-enum {
-        MLX5_PCIE_PERFORMANCE_COUNTERS_GROUP       = 0x0,
-        MLX5_PCIE_TIMERS_AND_STATES_COUNTERS_GROUP = 0x2,
-};
 static inline u16 mlx5_to_sw_pkey_sz(int pkey_sz)
 {
        if (pkey_sz > MLX5_MAX_LOG_PKEY_TABLE)
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 0ae55361e674..735b36335f29 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -123,7 +123,6 @@ enum {
        MLX5_REG_HOST_ENDIANNESS = 0x7004,
        MLX5_REG_MCIA            = 0x9014,
        MLX5_REG_MLCR            = 0x902b,
-        MLX5_REG_MPCNT           = 0x9051,
 };
 enum mlx5_dcbx_oper_mode {
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 57bec544e20a..a852e9db6f0d 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1757,80 +1757,6 @@ struct mlx5_ifc_eth_802_3_cntrs_grp_data_layout_bits {
        u8         reserved_at_4c0[0x300];
 };
-struct mlx5_ifc_pcie_perf_cntrs_grp_data_layout_bits {
-        u8         life_time_counter_high[0x20];
-        u8         life_time_counter_low[0x20];
-        u8         rx_errors[0x20];
-        u8         tx_errors[0x20];
-        u8         l0_to_recovery_eieos[0x20];
-        u8         l0_to_recovery_ts[0x20];
-        u8         l0_to_recovery_framing[0x20];
-        u8         l0_to_recovery_retrain[0x20];
-        u8         crc_error_dllp[0x20];
-        u8         crc_error_tlp[0x20];
-        u8         reserved_at_140[0x680];
-};
-struct mlx5_ifc_pcie_tas_cntrs_grp_data_layout_bits {
-        u8         life_time_counter_high[0x20];
-        u8         life_time_counter_low[0x20];
-        u8         time_to_boot_image_start[0x20];
-        u8         time_to_link_image[0x20];
-        u8         calibration_time[0x20];
-        u8         time_to_first_perst[0x20];
-        u8         time_to_detect_state[0x20];
-        u8         time_to_l0[0x20];
-        u8         time_to_crs_en[0x20];
-        u8         time_to_plastic_image_start[0x20];
-        u8         time_to_iron_image_start[0x20];
-        u8         perst_handler[0x20];
-        u8         times_in_l1[0x20];
-        u8         times_in_l23[0x20];
-        u8         dl_down[0x20];
-        u8         config_cycle1usec[0x20];
-        u8         config_cycle2to7usec[0x20];
-        u8         config_cycle_8to15usec[0x20];
-        u8         config_cycle_16_to_63usec[0x20];
-        u8         config_cycle_64usec[0x20];
-        u8         correctable_err_msg_sent[0x20];
-        u8         non_fatal_err_msg_sent[0x20];
-        u8         fatal_err_msg_sent[0x20];
-        u8         reserved_at_2e0[0x4e0];
-};
 struct mlx5_ifc_cmd_inter_comp_event_bits {
        u8         command_completion_vector[0x20];
@@ -2995,12 +2921,6 @@ union mlx5_ifc_eth_cntrs_grp_data_layout_auto_bits {
        u8         reserved_at_0[0x7c0];
 };
-union mlx5_ifc_pcie_cntrs_grp_data_layout_auto_bits {
-        struct mlx5_ifc_pcie_perf_cntrs_grp_data_layout_bits pcie_perf_cntrs_grp_data_layout;
-        struct mlx5_ifc_pcie_tas_cntrs_grp_data_layout_bits pcie_tas_cntrs_grp_data_layout;
-        u8         reserved_at_0[0x7c0];
-};
 union mlx5_ifc_event_auto_bits {
        struct mlx5_ifc_comp_event_bits comp_event;
        struct mlx5_ifc_dct_events_bits dct_events;
@@ -7320,18 +7240,6 @@ struct mlx5_ifc_ppcnt_reg_bits {
        union mlx5_ifc_eth_cntrs_grp_data_layout_auto_bits counter_set;
 };
-struct mlx5_ifc_mpcnt_reg_bits {
-        u8         reserved_at_0[0x8];
-        u8         pcie_index[0x8];
-        u8         reserved_at_10[0xa];
-        u8         grp[0x6];
-        u8         clr[0x1];
-        u8         reserved_at_21[0x1f];
-        union mlx5_ifc_pcie_cntrs_grp_data_layout_auto_bits counter_set;
-};
 struct mlx5_ifc_ppad_reg_bits {
        u8         reserved_at_0[0x3];
        u8         single_mac[0x1];
@@ -7937,7 +7845,6 @@ union mlx5_ifc_ports_control_registers_document_bits {
        struct mlx5_ifc_pmtu_reg_bits pmtu_reg;
        struct mlx5_ifc_ppad_reg_bits ppad_reg;
        struct mlx5_ifc_ppcnt_reg_bits ppcnt_reg;
-        struct mlx5_ifc_mpcnt_reg_bits mpcnt_reg;
        struct mlx5_ifc_pplm_reg_bits pplm_reg;
        struct mlx5_ifc_pplr_reg_bits pplr_reg;
        struct mlx5_ifc_ppsc_reg_bits ppsc_reg;
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 5dea8f6440e4..52bda854593b 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -306,7 +306,9 @@ void radix_tree_iter_replace(struct radix_tree_root *,
 void radix_tree_replace_slot(struct radix_tree_root *root,
                             void **slot, void *item);
 void __radix_tree_delete_node(struct radix_tree_root *root,
-                              struct radix_tree_node *node);
+                              struct radix_tree_node *node,
+                              radix_tree_update_node_t update_node,
+                              void *private);
 void *radix_tree_delete_item(struct radix_tree_root *, unsigned long, void *);
 void *radix_tree_delete(struct radix_tree_root *, unsigned long);
 void radix_tree_clear_tags(struct radix_tree_root *root,
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 183f37c8a5e1..4ee479f2f355 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -9,7 +9,13 @@ struct device;
 struct page;
 struct scatterlist;
-extern int swiotlb_force;
+enum swiotlb_force {
+        SWIOTLB_NORMAL,         /* Default - depending on HW DMA mask etc. */
+        SWIOTLB_FORCE,          /* swiotlb=force */
+        SWIOTLB_NO_FORCE,       /* swiotlb=noforce */
+};
+extern enum swiotlb_force swiotlb_force;
 /*
 * Maximum allowable number of contiguous slabs to map,
@@ -108,11 +114,14 @@ swiotlb_dma_supported(struct device *hwdev, u64 mask);
 #ifdef CONFIG_SWIOTLB
 extern void __init swiotlb_free(void);
+unsigned int swiotlb_max_segment(void);
 #else
 static inline void swiotlb_free(void) { }
+static inline unsigned int swiotlb_max_segment(void) { return 0; }
 #endif
 extern void swiotlb_print_info(void);
 extern int is_swiotlb_buffer(phys_addr_t paddr);
+extern void swiotlb_set_max_segment(unsigned int);
 #endif /* __LINUX_SWIOTLB_H */
diff --git a/include/sound/hdmi-codec.h b/include/sound/hdmi-codec.h
index 530c57bdefa0..915c4357945c 100644
--- a/include/sound/hdmi-codec.h
+++ b/include/sound/hdmi-codec.h
@@ -36,10 +36,10 @@ struct hdmi_codec_daifmt {
                HDMI_AC97,
                HDMI_SPDIF,
        } fmt;
-        int bit_clk_inv:1;
+        unsigned int bit_clk_inv:1;
-        int frame_clk_inv:1;
+        unsigned int frame_clk_inv:1;
-        int bit_clk_master:1;
+        unsigned int bit_clk_master:1;
-        int frame_clk_master:1;
+        unsigned int frame_clk_master:1;
 };
 /*
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 2b502f6cc6d0..b86168a21d56 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -813,6 +813,7 @@ struct snd_soc_component {
        unsigned int suspended:1; /* is in suspend PM state */
        struct list_head list;
+        struct list_head card_aux_list; /* for auxiliary bound components */
        struct list_head card_list;
        struct snd_soc_dai_driver *dai_drv;
@@ -1152,6 +1153,7 @@ struct snd_soc_card {
         */
        struct snd_soc_aux_dev *aux_dev;
        int num_aux_devs;
+        struct list_head aux_comp_list;
        const struct snd_kcontrol_new *controls;
        int num_controls;
@@ -1547,6 +1549,7 @@ static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
        INIT_LIST_HEAD(&card->widgets);
        INIT_LIST_HEAD(&card->paths);
        INIT_LIST_HEAD(&card->dapm_list);
+        INIT_LIST_HEAD(&card->aux_comp_list);
        INIT_LIST_HEAD(&card->component_dev_list);
 }
diff --git a/include/trace/events/swiotlb.h b/include/trace/events/swiotlb.h
index 7ea4c5e7c448..288c0c54a2b4 100644
--- a/include/trace/events/swiotlb.h
+++ b/include/trace/events/swiotlb.h
@@ -11,16 +11,16 @@ TRACE_EVENT(swiotlb_bounced,
        TP_PROTO(struct device *dev,
                 dma_addr_t dev_addr,
                 size_t size,
-                 int swiotlb_force),
+                 enum swiotlb_force swiotlb_force),
        TP_ARGS(dev, dev_addr, size, swiotlb_force),
        TP_STRUCT__entry(
-                __string(       dev_name,       dev_name(dev)   )
+                __string(       dev_name,       dev_name(dev)           )
-                __field(        u64,    dma_mask                )
+                __field(        u64,    dma_mask                        )
-                __field(        dma_addr_t,     dev_addr        )
+                __field(        dma_addr_t,     dev_addr                )
-                __field(        size_t, size                    )
+                __field(        size_t, size                            )
-                __field(        int,    swiotlb_force           )
+                __field(        enum swiotlb_force,     swiotlb_force   )
        ),
        TP_fast_assign(
@@ -37,7 +37,10 @@ TRACE_EVENT(swiotlb_bounced,
                __entry->dma_mask,
                (unsigned long long)__entry->dev_addr,
                __entry->size,
-                __entry->swiotlb_force ? "swiotlb_force" : "" )
+                __print_symbolic(__entry->swiotlb_force,
+                        { SWIOTLB_NORMAL,       "NORMAL" },
+                        { SWIOTLB_FORCE,        "FORCE" },
+                        { SWIOTLB_NO_FORCE,     "NO_FORCE" }))
 );
 #endif /*  _TRACE_SWIOTLB_H */
diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h
index acc63697a0cc..b2a31a55a612 100644
--- a/include/uapi/linux/usb/functionfs.h
+++ b/include/uapi/linux/usb/functionfs.h
@@ -93,6 +93,7 @@ struct usb_ext_prop_desc {
 * |   0 | magic     | LE32         | FUNCTIONFS_DESCRIPTORS_MAGIC_V2      |
 * |   4 | length    | LE32         | length of the whole data chunk       |
 * |   8 | flags     | LE32         | combination of functionfs_flags      |
+ * |     | eventfd   | LE32         | eventfd file descriptor              |
 * |     | fs_count  | LE32         | number of full-speed descriptors     |
 * |     | hs_count  | LE32         | number of high-speed descriptors     |
 * |     | ss_count  | LE32         | number of super-speed descriptors    |
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 8b1dde96a0fa..7b44195da81b 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -231,9 +231,11 @@ static void untag_chunk(struct node *p)
        if (size)
                new = alloc_chunk(size);
+        mutex_lock(&entry->group->mark_mutex);
        spin_lock(&entry->lock);
        if (chunk->dead || !entry->inode) {
                spin_unlock(&entry->lock);
+                mutex_unlock(&entry->group->mark_mutex);
                if (new)
                        free_chunk(new);
                goto out;
@@ -251,6 +253,7 @@ static void untag_chunk(struct node *p)
                list_del_rcu(&chunk->hash);
                spin_unlock(&hash_lock);
                spin_unlock(&entry->lock);
+                mutex_unlock(&entry->group->mark_mutex);
                fsnotify_destroy_mark(entry, audit_tree_group);
                goto out;
        }
@@ -258,8 +261,8 @@ static void untag_chunk(struct node *p)
        if (!new)
                goto Fallback;
-        fsnotify_duplicate_mark(&new->mark, entry);
+        if (fsnotify_add_mark_locked(&new->mark, entry->group, entry->inode,
-        if (fsnotify_add_mark(&new->mark, new->mark.group, new->mark.inode, NULL, 1)) {
+                                     NULL, 1)) {
                fsnotify_put_mark(&new->mark);
                goto Fallback;
        }
@@ -293,6 +296,7 @@ static void untag_chunk(struct node *p)
                owner->root = new;
        spin_unlock(&hash_lock);
        spin_unlock(&entry->lock);
+        mutex_unlock(&entry->group->mark_mutex);
        fsnotify_destroy_mark(entry, audit_tree_group);
        fsnotify_put_mark(&new->mark);  /* drop initial reference */
        goto out;
@@ -309,6 +313,7 @@ Fallback:
        put_tree(owner);
        spin_unlock(&hash_lock);
        spin_unlock(&entry->lock);
+        mutex_unlock(&entry->group->mark_mutex);
 out:
        fsnotify_put_mark(entry);
        spin_lock(&hash_lock);
@@ -386,18 +391,21 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree)
        chunk_entry = &chunk->mark;
+        mutex_lock(&old_entry->group->mark_mutex);
        spin_lock(&old_entry->lock);
        if (!old_entry->inode) {
                /* old_entry is being shot, lets just lie */
                spin_unlock(&old_entry->lock);
+                mutex_unlock(&old_entry->group->mark_mutex);
                fsnotify_put_mark(old_entry);
                free_chunk(chunk);
                return -ENOENT;
        }
-        fsnotify_duplicate_mark(chunk_entry, old_entry);
+        if (fsnotify_add_mark_locked(chunk_entry, old_entry->group,
-        if (fsnotify_add_mark(chunk_entry, chunk_entry->group, chunk_entry->inode, NULL, 1)) {
+                                     old_entry->inode, NULL, 1)) {
                spin_unlock(&old_entry->lock);
+                mutex_unlock(&old_entry->group->mark_mutex);
                fsnotify_put_mark(chunk_entry);
                fsnotify_put_mark(old_entry);
                return -ENOSPC;
@@ -413,6 +421,7 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree)
                chunk->dead = 1;
                spin_unlock(&chunk_entry->lock);
                spin_unlock(&old_entry->lock);
+                mutex_unlock(&old_entry->group->mark_mutex);
                fsnotify_destroy_mark(chunk_entry, audit_tree_group);
@@ -445,6 +454,7 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree)
        spin_unlock(&hash_lock);
        spin_unlock(&chunk_entry->lock);
        spin_unlock(&old_entry->lock);
+        mutex_unlock(&old_entry->group->mark_mutex);
        fsnotify_destroy_mark(old_entry, audit_tree_group);
        fsnotify_put_mark(chunk_entry); /* drop initial reference */
        fsnotify_put_mark(old_entry); /* pair to fsnotify_find mark_entry */
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 6f382e07de77..0b92d605fb69 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -640,6 +640,7 @@ static inline void radix_tree_shrink(struct radix_tree_root *root,
                                update_node(node, private);
                }
+                WARN_ON_ONCE(!list_empty(&node->private_list));
                radix_tree_node_free(node);
        }
 }
@@ -666,6 +667,7 @@ static void delete_node(struct radix_tree_root *root,
                        root->rnode = NULL;
                }
+                WARN_ON_ONCE(!list_empty(&node->private_list));
                radix_tree_node_free(node);
                node = parent;
@@ -767,6 +769,7 @@ static void radix_tree_free_nodes(struct radix_tree_node *node)
                        struct radix_tree_node *old = child;
                        offset = child->offset + 1;
                        child = child->parent;
+                        WARN_ON_ONCE(!list_empty(&node->private_list));
                        radix_tree_node_free(old);
                        if (old == entry_to_node(node))
                                return;
@@ -1824,15 +1827,19 @@ EXPORT_SYMBOL(radix_tree_gang_lookup_tag_slot);
 *      __radix_tree_delete_node    -    try to free node after clearing a slot
 *      @root:          radix tree root
 *      @node:          node containing @index
+ *      @update_node:   callback for changing leaf nodes
+ *      @private:       private data to pass to @update_node
 *
 *      After clearing the slot at @index in @node from radix tree
 *      rooted at @root, call this function to attempt freeing the
 *      node and shrinking the tree.
 */
 void __radix_tree_delete_node(struct radix_tree_root *root,
-                              struct radix_tree_node *node)
+                              struct radix_tree_node *node,
+                              radix_tree_update_node_t update_node,
+                              void *private)
 {
-        delete_node(root, node, NULL, NULL);
+        delete_node(root, node, update_node, private);
 }
 /**
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index cb1b54ee8527..975b8fc4f1e1 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -53,7 +53,7 @@
 */
 #define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT)
-int swiotlb_force;
+enum swiotlb_force swiotlb_force;
 /*
 * Used to do a quick range check in swiotlb_tbl_unmap_single and
@@ -83,6 +83,12 @@ static unsigned int *io_tlb_list;
 static unsigned int io_tlb_index;
 /*
+ * Max segment that we can provide which (if pages are contingous) will
+ * not be bounced (unless SWIOTLB_FORCE is set).
+ */
+unsigned int max_segment;
+/*
 * We need to save away the original address corresponding to a mapped entry
 * for the sync operations.
 */
@@ -106,8 +112,12 @@ setup_io_tlb_npages(char *str)
        }
        if (*str == ',')
                ++str;
-        if (!strcmp(str, "force"))
+        if (!strcmp(str, "force")) {
-                swiotlb_force = 1;
+                swiotlb_force = SWIOTLB_FORCE;
+        } else if (!strcmp(str, "noforce")) {
+                swiotlb_force = SWIOTLB_NO_FORCE;
+                io_tlb_nslabs = 1;
+        }
        return 0;
 }
@@ -120,6 +130,20 @@ unsigned long swiotlb_nr_tbl(void)
 }
 EXPORT_SYMBOL_GPL(swiotlb_nr_tbl);
+unsigned int swiotlb_max_segment(void)
+{
+        return max_segment;
+}
+EXPORT_SYMBOL_GPL(swiotlb_max_segment);
+void swiotlb_set_max_segment(unsigned int val)
+{
+        if (swiotlb_force == SWIOTLB_FORCE)
+                max_segment = 1;
+        else
+                max_segment = rounddown(val, PAGE_SIZE);
+}
 /* default to 64MB */
 #define IO_TLB_DEFAULT_SIZE (64UL<<20)
 unsigned long swiotlb_size_or_default(void)
@@ -201,6 +225,7 @@ int __init swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose)
        if (verbose)
                swiotlb_print_info();
+        swiotlb_set_max_segment(io_tlb_nslabs << IO_TLB_SHIFT);
        return 0;
 }
@@ -279,6 +304,7 @@ swiotlb_late_init_with_default_size(size_t default_size)
        rc = swiotlb_late_init_with_tbl(vstart, io_tlb_nslabs);
        if (rc)
                free_pages((unsigned long)vstart, order);
        return rc;
 }
@@ -333,6 +359,8 @@ swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs)
        late_alloc = 1;
+        swiotlb_set_max_segment(io_tlb_nslabs << IO_TLB_SHIFT);
        return 0;
 cleanup4:
@@ -347,6 +375,7 @@ cleanup2:
        io_tlb_end = 0;
        io_tlb_start = 0;
        io_tlb_nslabs = 0;
+        max_segment = 0;
        return -ENOMEM;
 }
@@ -375,6 +404,7 @@ void __init swiotlb_free(void)
                                   PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
        }
        io_tlb_nslabs = 0;
+        max_segment = 0;
 }
 int is_swiotlb_buffer(phys_addr_t paddr)
@@ -543,8 +573,15 @@ static phys_addr_t
 map_single(struct device *hwdev, phys_addr_t phys, size_t size,
           enum dma_data_direction dir, unsigned long attrs)
 {
-        dma_addr_t start_dma_addr = phys_to_dma(hwdev, io_tlb_start);
+        dma_addr_t start_dma_addr;
+        if (swiotlb_force == SWIOTLB_NO_FORCE) {
+                dev_warn_ratelimited(hwdev, "Cannot do DMA to address %pa\n",
+                                     &phys);
+                return SWIOTLB_MAP_ERROR;
+        }
+        start_dma_addr = phys_to_dma(hwdev, io_tlb_start);
        return swiotlb_tbl_map_single(hwdev, start_dma_addr, phys, size,
                                      dir, attrs);
 }
@@ -721,6 +758,9 @@ static void
 swiotlb_full(struct device *dev, size_t size, enum dma_data_direction dir,
             int do_panic)
 {
+        if (swiotlb_force == SWIOTLB_NO_FORCE)
+                return;
        /*
         * Ran out of IOMMU space for this operation. This is very bad.
         * Unfortunately the drivers cannot handle this operation properly.
@@ -763,7 +803,7 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
         * we can safely return the device addr and not worry about bounce
         * buffering it.
         */
-        if (dma_capable(dev, dev_addr, size) && !swiotlb_force)
+        if (dma_capable(dev, dev_addr, size) && swiotlb_force != SWIOTLB_FORCE)
                return dev_addr;
        trace_swiotlb_bounced(dev, dev_addr, size, swiotlb_force);
@@ -904,7 +944,7 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
                phys_addr_t paddr = sg_phys(sg);
                dma_addr_t dev_addr = phys_to_dma(hwdev, paddr);
-                if (swiotlb_force ||
+                if (swiotlb_force == SWIOTLB_FORCE ||
                    !dma_capable(hwdev, dev_addr, sg->length)) {
                        phys_addr_t map = map_single(hwdev, sg_phys(sg),
                                                     sg->length, dir, attrs);
diff --git a/mm/memory.c b/mm/memory.c
index 7d23b5050248..9f2c15cdb32c 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3008,13 +3008,6 @@ static int do_set_pmd(struct vm_fault *vmf, struct page *page)
        ret = 0;
        count_vm_event(THP_FILE_MAPPED);
 out:
-        /*
-         * If we are going to fallback to pte mapping, do a
-         * withdraw with pmd lock held.
-         */
-        if (arch_needs_pgtable_deposit() && ret == VM_FAULT_FALLBACK)
-                vmf->prealloc_pte = pgtable_trans_huge_withdraw(vma->vm_mm,
-                                                                vmf->pmd);
        spin_unlock(vmf->ptl);
        return ret;
 }
@@ -3055,20 +3048,18 @@ int alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
                ret = do_set_pmd(vmf, page);
                if (ret != VM_FAULT_FALLBACK)
-                        goto fault_handled;
+                        return ret;
        }
        if (!vmf->pte) {
                ret = pte_alloc_one_map(vmf);
                if (ret)
-                        goto fault_handled;
+                        return ret;
        }
        /* Re-check under ptl */
-        if (unlikely(!pte_none(*vmf->pte))) {
+        if (unlikely(!pte_none(*vmf->pte)))
-                ret = VM_FAULT_NOPAGE;
+                return VM_FAULT_NOPAGE;
-                goto fault_handled;
-        }
        flush_icache_page(vma, page);
        entry = mk_pte(page, vma->vm_page_prot);
@@ -3088,15 +3079,8 @@ int alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
        /* no need to invalidate: a not-present page won't be cached */
        update_mmu_cache(vma, vmf->address, vmf->pte);
-        ret = 0;
-fault_handled:
+        return 0;
-        /* preallocated pagetable is unused: free it */
-        if (vmf->prealloc_pte) {
-                pte_free(vmf->vma->vm_mm, vmf->prealloc_pte);
-                vmf->prealloc_pte = 0;
-        }
-        return ret;
 }
@@ -3360,15 +3344,24 @@ static int do_shared_fault(struct vm_fault *vmf)
 static int do_fault(struct vm_fault *vmf)
 {
        struct vm_area_struct *vma = vmf->vma;
+        int ret;
        /* The VMA was not fully populated on mmap() or missing VM_DONTEXPAND */
        if (!vma->vm_ops->fault)
-                return VM_FAULT_SIGBUS;
+                ret = VM_FAULT_SIGBUS;
-        if (!(vmf->flags & FAULT_FLAG_WRITE))
+        else if (!(vmf->flags & FAULT_FLAG_WRITE))
-                return do_read_fault(vmf);
+                ret = do_read_fault(vmf);
-        if (!(vma->vm_flags & VM_SHARED))
+        else if (!(vma->vm_flags & VM_SHARED))
-                return do_cow_fault(vmf);
+                ret = do_cow_fault(vmf);
-        return do_shared_fault(vmf);
+        else
+                ret = do_shared_fault(vmf);
+        /* preallocated pagetable is unused: free it */
+        if (vmf->prealloc_pte) {
+                pte_free(vma->vm_mm, vmf->prealloc_pte);
+                vmf->prealloc_pte = 0;
+        }
+        return ret;
 }
 static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
diff --git a/mm/workingset.c b/mm/workingset.c
index 241fa5d6b3b2..abb58ffa3c64 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -473,7 +473,8 @@ static enum lru_status shadow_lru_isolate(struct list_head *item,
        if (WARN_ON_ONCE(node->exceptional))
                goto out_invalid;
        inc_node_state(page_pgdat(virt_to_page(node)), WORKINGSET_NODERECLAIM);
-        __radix_tree_delete_node(&mapping->page_tree, node);
+        __radix_tree_delete_node(&mapping->page_tree, node,
+                                 workingset_update_node, mapping);
 out_invalid:
        spin_unlock(&mapping->tree_lock);
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 019557d0a11d..09cfe87f0a44 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1059,7 +1059,9 @@ static void __exit lane_module_cleanup(void)
 {
        int i;
+#ifdef CONFIG_PROC_FS
        remove_proc_entry("lec", atm_proc_root);
+#endif
        deregister_atm_ioctl(&lane_ioctl_ops);
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 8e0c0635ee97..fb55327dcfea 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -75,6 +75,7 @@ static struct sk_buff *reset_per_cpu_data(struct per_cpu_dm_data *data)
        struct nlattr *nla;
        struct sk_buff *skb;
        unsigned long flags;
+        void *msg_header;
        al = sizeof(struct net_dm_alert_msg);
        al += dm_hit_limit * sizeof(struct net_dm_drop_point);
@@ -82,21 +83,41 @@ static struct sk_buff *reset_per_cpu_data(struct per_cpu_dm_data *data)
        skb = genlmsg_new(al, GFP_KERNEL);
-        if (skb) {
+        if (!skb)
-                genlmsg_put(skb, 0, 0, &net_drop_monitor_family,
+                goto err;
-                                0, NET_DM_CMD_ALERT);
-                nla = nla_reserve(skb, NLA_UNSPEC,
+        msg_header = genlmsg_put(skb, 0, 0, &net_drop_monitor_family,
-                                  sizeof(struct net_dm_alert_msg));
+                                 0, NET_DM_CMD_ALERT);
-                msg = nla_data(nla);
+        if (!msg_header) {
-                memset(msg, 0, al);
+                nlmsg_free(skb);
-        } else {
+                skb = NULL;
-                mod_timer(&data->send_timer, jiffies + HZ / 10);
+                goto err;
+        }
+        nla = nla_reserve(skb, NLA_UNSPEC,
+                          sizeof(struct net_dm_alert_msg));
+        if (!nla) {
+                nlmsg_free(skb);
+                skb = NULL;
+                goto err;
        }
+        msg = nla_data(nla);
+        memset(msg, 0, al);
+        goto out;
+err:
+        mod_timer(&data->send_timer, jiffies + HZ / 10);
+out:
        spin_lock_irqsave(&data->lock, flags);
        swap(data->skb, skb);
        spin_unlock_irqrestore(&data->lock, flags);
+        if (skb) {
+                struct nlmsghdr *nlh = (struct nlmsghdr *)skb->data;
+                struct genlmsghdr *gnlh = (struct genlmsghdr *)nlmsg_data(nlh);
+                genlmsg_end(skb, genlmsg_data(gnlh));
+        }
        return skb;
 }
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index d6447dc10371..fe4e1531976c 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -468,8 +468,9 @@ ip_proto_again:
                        if (hdr->flags & GRE_ACK)
                                offset += sizeof(((struct pptp_gre_header *)0)->ack);
-                        ppp_hdr = skb_header_pointer(skb, nhoff + offset,
+                        ppp_hdr = __skb_header_pointer(skb, nhoff + offset,
-                                                     sizeof(_ppp_hdr), _ppp_hdr);
+                                                     sizeof(_ppp_hdr),
+                                                     data, hlen, _ppp_hdr);
                        if (!ppp_hdr)
                                goto out_bad;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 18b5aae99bec..75e3ea7bda08 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3898,6 +3898,9 @@ static int rtnl_stats_get(struct sk_buff *skb, struct nlmsghdr *nlh)
        u32 filter_mask;
        int err;
+        if (nlmsg_len(nlh) < sizeof(*ifsm))
+                return -EINVAL;
        ifsm = nlmsg_data(nlh);
        if (ifsm->ifindex > 0)
                dev = __dev_get_by_index(net, ifsm->ifindex);
@@ -3947,6 +3950,9 @@ static int rtnl_stats_dump(struct sk_buff *skb, struct netlink_callback *cb)
        cb->seq = net->dev_base_seq;
+        if (nlmsg_len(cb->nlh) < sizeof(*ifsm))
+                return -EINVAL;
        ifsm = nlmsg_data(cb->nlh);
        filter_mask = ifsm->filter_mask;
        if (!filter_mask)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 3ff8938893ec..eae0332b0e8c 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -85,7 +85,7 @@ struct fib_table *fib_new_table(struct net *net, u32 id)
        if (tb)
                return tb;
-        if (id == RT_TABLE_LOCAL)
+        if (id == RT_TABLE_LOCAL && !net->ipv4.fib_has_custom_rules)
                alias = fib_new_table(net, RT_TABLE_MAIN);
        tb = fib_trie_table(id, alias);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 68d622133f53..5b15459955f8 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -219,9 +219,14 @@ static void igmp_start_timer(struct ip_mc_list *im, int max_delay)
 static void igmp_gq_start_timer(struct in_device *in_dev)
 {
        int tv = prandom_u32() % in_dev->mr_maxdelay;
+        unsigned long exp = jiffies + tv + 2;
+        if (in_dev->mr_gq_running &&
+            time_after_eq(exp, (in_dev->mr_gq_timer).expires))
+                return;
        in_dev->mr_gq_running = 1;
-        if (!mod_timer(&in_dev->mr_gq_timer, jiffies+tv+2))
+        if (!mod_timer(&in_dev->mr_gq_timer, exp))
                in_dev_hold(in_dev);
 }
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 57e1405e8282..53ae0c6315ad 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1225,8 +1225,14 @@ void ipv4_pktinfo_prepare(const struct sock *sk, struct sk_buff *skb)
                 * which has interface index (iif) as the first member of the
                 * underlying inet{6}_skb_parm struct. This code then overlays
                 * PKTINFO_SKB_CB and in_pktinfo also has iif as the first
-                 * element so the iif is picked up from the prior IPCB
+                 * element so the iif is picked up from the prior IPCB. If iif
+                 * is the loopback interface, then return the sending interface
+                 * (e.g., process binds socket to eth0 for Tx which is
+                 * redirected to loopback in the rtable/dst).
                 */
+                if (pktinfo->ipi_ifindex == LOOPBACK_IFINDEX)
+                        pktinfo->ipi_ifindex = inet_iif(skb);
                pktinfo->ipi_spec_dst.s_addr = fib_compute_spec_dst(skb);
        } else {
                pktinfo->ipi_ifindex = 0;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a82a11747b3f..0fcac8e7a2b2 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1914,7 +1914,8 @@ local_input:
                }
        }
-        rth = rt_dst_alloc(net->loopback_dev, flags | RTCF_LOCAL, res.type,
+        rth = rt_dst_alloc(l3mdev_master_dev_rcu(dev) ? : net->loopback_dev,
+                           flags | RTCF_LOCAL, res.type,
                           IN_DEV_CONF_GET(in_dev, NOPOLICY), false, do_cache);
        if (!rth)
                goto e_nobufs;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 70d0de404197..38122d04fadc 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1373,7 +1373,7 @@ emsgsize:
         */
        cork->length += length;
-        if (((length > mtu) ||
+        if ((((length + fragheaderlen) > mtu) ||
             (skb && skb_is_gso(skb))) &&
            (sk->sk_protocol == IPPROTO_UDP) &&
            (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 8938b6ba57a0..3d73278b86ca 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -47,7 +47,8 @@ static inline struct l2tp_ip_sock *l2tp_ip_sk(const struct sock *sk)
        return (struct l2tp_ip_sock *)sk;
 }
-static struct sock *__l2tp_ip_bind_lookup(struct net *net, __be32 laddr, int dif, u32 tunnel_id)
+static struct sock *__l2tp_ip_bind_lookup(const struct net *net, __be32 laddr,
+                                          __be32 raddr, int dif, u32 tunnel_id)
 {
        struct sock *sk;
@@ -61,6 +62,7 @@ static struct sock *__l2tp_ip_bind_lookup(struct net *net, __be32 laddr, int dif
                if ((l2tp->conn_id == tunnel_id) &&
                    net_eq(sock_net(sk), net) &&
                    !(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) &&
+                    (!inet->inet_daddr || !raddr || inet->inet_daddr == raddr) &&
                    (!sk->sk_bound_dev_if || !dif ||
                     sk->sk_bound_dev_if == dif))
                        goto found;
@@ -71,15 +73,6 @@ found:
        return sk;
 }
-static inline struct sock *l2tp_ip_bind_lookup(struct net *net, __be32 laddr, int dif, u32 tunnel_id)
-{
-        struct sock *sk = __l2tp_ip_bind_lookup(net, laddr, dif, tunnel_id);
-        if (sk)
-                sock_hold(sk);
-        return sk;
-}
 /* When processing receive frames, there are two cases to
 * consider. Data frames consist of a non-zero session-id and an
 * optional cookie. Control frames consist of a regular L2TP header
@@ -183,8 +176,8 @@ pass_up:
                struct iphdr *iph = (struct iphdr *) skb_network_header(skb);
                read_lock_bh(&l2tp_ip_lock);
-                sk = __l2tp_ip_bind_lookup(net, iph->daddr, inet_iif(skb),
+                sk = __l2tp_ip_bind_lookup(net, iph->daddr, iph->saddr,
-                                           tunnel_id);
+                                           inet_iif(skb), tunnel_id);
                if (!sk) {
                        read_unlock_bh(&l2tp_ip_lock);
                        goto discard;
@@ -280,7 +273,7 @@ static int l2tp_ip_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
                inet->inet_saddr = 0;  /* Use device */
        write_lock_bh(&l2tp_ip_lock);
-        if (__l2tp_ip_bind_lookup(net, addr->l2tp_addr.s_addr,
+        if (__l2tp_ip_bind_lookup(net, addr->l2tp_addr.s_addr, 0,
                                  sk->sk_bound_dev_if, addr->l2tp_conn_id)) {
                write_unlock_bh(&l2tp_ip_lock);
                ret = -EADDRINUSE;
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index f092ac441fdd..331ccf5a7bad 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -59,12 +59,14 @@ static inline struct l2tp_ip6_sock *l2tp_ip6_sk(const struct sock *sk)
 static struct sock *__l2tp_ip6_bind_lookup(struct net *net,
                                           struct in6_addr *laddr,
+                                           const struct in6_addr *raddr,
                                           int dif, u32 tunnel_id)
 {
        struct sock *sk;
        sk_for_each_bound(sk, &l2tp_ip6_bind_table) {
-                const struct in6_addr *addr = inet6_rcv_saddr(sk);
+                const struct in6_addr *sk_laddr = inet6_rcv_saddr(sk);
+                const struct in6_addr *sk_raddr = &sk->sk_v6_daddr;
                struct l2tp_ip6_sock *l2tp = l2tp_ip6_sk(sk);
                if (l2tp == NULL)
@@ -72,7 +74,8 @@ static struct sock *__l2tp_ip6_bind_lookup(struct net *net,
                if ((l2tp->conn_id == tunnel_id) &&
                    net_eq(sock_net(sk), net) &&
-                    (!addr || ipv6_addr_equal(addr, laddr)) &&
+                    (!sk_laddr || ipv6_addr_any(sk_laddr) || ipv6_addr_equal(sk_laddr, laddr)) &&
+                    (!raddr || ipv6_addr_any(sk_raddr) || ipv6_addr_equal(sk_raddr, raddr)) &&
                    (!sk->sk_bound_dev_if || !dif ||
                     sk->sk_bound_dev_if == dif))
                        goto found;
@@ -83,17 +86,6 @@ found:
        return sk;
 }
-static inline struct sock *l2tp_ip6_bind_lookup(struct net *net,
-                                                struct in6_addr *laddr,
-                                                int dif, u32 tunnel_id)
-{
-        struct sock *sk = __l2tp_ip6_bind_lookup(net, laddr, dif, tunnel_id);
-        if (sk)
-                sock_hold(sk);
-        return sk;
-}
 /* When processing receive frames, there are two cases to
 * consider. Data frames consist of a non-zero session-id and an
 * optional cookie. Control frames consist of a regular L2TP header
@@ -197,8 +189,8 @@ pass_up:
                struct ipv6hdr *iph = ipv6_hdr(skb);
                read_lock_bh(&l2tp_ip6_lock);
-                sk = __l2tp_ip6_bind_lookup(net, &iph->daddr, inet6_iif(skb),
+                sk = __l2tp_ip6_bind_lookup(net, &iph->daddr, &iph->saddr,
-                                            tunnel_id);
+                                            inet6_iif(skb), tunnel_id);
                if (!sk) {
                        read_unlock_bh(&l2tp_ip6_lock);
                        goto discard;
@@ -330,7 +322,7 @@ static int l2tp_ip6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
        rcu_read_unlock();
        write_lock_bh(&l2tp_ip6_lock);
-        if (__l2tp_ip6_bind_lookup(net, &addr->l2tp_addr, bound_dev_if,
+        if (__l2tp_ip6_bind_lookup(net, &addr->l2tp_addr, NULL, bound_dev_if,
                                   addr->l2tp_conn_id)) {
                write_unlock_bh(&l2tp_ip6_lock);
                err = -EADDRINUSE;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 2c21b7039136..0d8b716e509e 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3287,7 +3287,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
        int extra_head = fast_tx->hdr_len - (ETH_HLEN - 2);
        int hw_headroom = sdata->local->hw.extra_tx_headroom;
        struct ethhdr eth;
-        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+        struct ieee80211_tx_info *info;
        struct ieee80211_hdr *hdr = (void *)fast_tx->hdr;
        struct ieee80211_tx_data tx;
        ieee80211_tx_result r;
@@ -3351,6 +3351,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
        memcpy(skb->data + fast_tx->da_offs, eth.h_dest, ETH_ALEN);
        memcpy(skb->data + fast_tx->sa_offs, eth.h_source, ETH_ALEN);
+        info = IEEE80211_SKB_CB(skb);
        memset(info, 0, sizeof(*info));
        info->band = fast_tx->band;
        info->control.vif = &sdata->vif;
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 333f8e268431..970db7a41684 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -153,10 +153,14 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                switch (ip_tunnel_info_af(info)) {
                case AF_INET:
+                        skb_key.enc_control.addr_type =
+                                FLOW_DISSECTOR_KEY_IPV4_ADDRS;
                        skb_key.enc_ipv4.src = key->u.ipv4.src;
                        skb_key.enc_ipv4.dst = key->u.ipv4.dst;
                        break;
                case AF_INET6:
+                        skb_key.enc_control.addr_type =
+                                FLOW_DISSECTOR_KEY_IPV6_ADDRS;
                        skb_key.enc_ipv6.src = key->u.ipv6.src;
                        skb_key.enc_ipv6.dst = key->u.ipv6.dst;
                        break;
diff --git a/net/socket.c b/net/socket.c
index 8487bf136e5c..a8c2307590b8 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -537,7 +537,7 @@ int sockfs_setattr(struct dentry *dentry, struct iattr *iattr)
 {
        int err = simple_setattr(dentry, iattr);
-        if (!err) {
+        if (!err && (iattr->ia_valid & ATTR_UID)) {
                struct socket *sock = SOCKET_I(d_inode(dentry));
                sock->sk->sk_uid = iattr->ia_uid;
diff --git a/samples/Kconfig b/samples/Kconfig
index a6d2a43bbf2e..b124f62ed6cb 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -105,4 +105,11 @@ config SAMPLE_BLACKFIN_GPTIMERS
        help
          Build samples of blackfin gptimers sample module.
+config SAMPLE_VFIO_MDEV_MTTY
+        tristate "Build VFIO mtty example mediated device sample code -- loadable modules only"
+        depends on VFIO_MDEV_DEVICE && m
+        help
+          Build a virtual tty sample driver for use as a VFIO
+          mediated device
 endif # SAMPLES
diff --git a/samples/Makefile b/samples/Makefile
index e17d66d77f09..86a137e451d9 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -2,4 +2,5 @@
 obj-$(CONFIG_SAMPLES)   += kobject/ kprobes/ trace_events/ livepatch/ \
                           hw_breakpoint/ kfifo/ kdb/ hidraw/ rpmsg/ seccomp/ \
-                           configfs/ connector/ v4l/ trace_printk/ blackfin/
+                           configfs/ connector/ v4l/ trace_printk/ blackfin/ \
+                           vfio-mdev/
diff --git a/samples/vfio-mdev/Makefile b/samples/vfio-mdev/Makefile
index a932edbe38eb..cbbd868a50a8 100644
--- a/samples/vfio-mdev/Makefile
+++ b/samples/vfio-mdev/Makefile
@@ -1,13 +1 @@
-#
+obj-$(CONFIG_SAMPLE_VFIO_MDEV_MTTY) += mtty.o
-# Makefile for mtty.c file
-#
-KERNEL_DIR:=/lib/modules/$(shell uname -r)/build
-obj-m:=mtty.o
-modules clean modules_install:
-        $(MAKE) -C $(KERNEL_DIR) SUBDIRS=$(PWD) $@
-default: modules
-module: modules
diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 6b633a4ea333..1fc57a5093a7 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -164,7 +164,7 @@ static struct mdev_state *find_mdev_state_by_uuid(uuid_le uuid)
        struct mdev_state *mds;
        list_for_each_entry(mds, &mdev_devices_list, next) {
-                if (uuid_le_cmp(mds->mdev->uuid, uuid) == 0)
+                if (uuid_le_cmp(mdev_uuid(mds->mdev), uuid) == 0)
                        return mds;
        }
@@ -341,7 +341,8 @@ static void handle_bar_write(unsigned int index, struct mdev_state *mdev_state,
                                pr_err("Serial port %d: Fifo level trigger\n",
                                        index);
 #endif
-                                mtty_trigger_interrupt(mdev_state->mdev->uuid);
+                                mtty_trigger_interrupt(
+                                                mdev_uuid(mdev_state->mdev));
                        }
                } else {
 #if defined(DEBUG_INTR)
@@ -355,7 +356,8 @@ static void handle_bar_write(unsigned int index, struct mdev_state *mdev_state,
                         */
                        if (mdev_state->s[index].uart_reg[UART_IER] &
                                                                UART_IER_RLSI)
-                                mtty_trigger_interrupt(mdev_state->mdev->uuid);
+                                mtty_trigger_interrupt(
+                                                mdev_uuid(mdev_state->mdev));
                }
                mutex_unlock(&mdev_state->rxtx_lock);
                break;
@@ -374,7 +376,8 @@ static void handle_bar_write(unsigned int index, struct mdev_state *mdev_state,
                                pr_err("Serial port %d: IER_THRI write\n",
                                        index);
 #endif
-                                mtty_trigger_interrupt(mdev_state->mdev->uuid);
+                                mtty_trigger_interrupt(
+                                                mdev_uuid(mdev_state->mdev));
                        }
                        mutex_unlock(&mdev_state->rxtx_lock);
@@ -445,7 +448,7 @@ static void handle_bar_write(unsigned int index, struct mdev_state *mdev_state,
 #if defined(DEBUG_INTR)
                        pr_err("Serial port %d: MCR_OUT2 write\n", index);
 #endif
-                        mtty_trigger_interrupt(mdev_state->mdev->uuid);
+                        mtty_trigger_interrupt(mdev_uuid(mdev_state->mdev));
                }
                if ((mdev_state->s[index].uart_reg[UART_IER] & UART_IER_MSI) &&
@@ -453,7 +456,7 @@ static void handle_bar_write(unsigned int index, struct mdev_state *mdev_state,
 #if defined(DEBUG_INTR)
                        pr_err("Serial port %d: MCR RTS/DTR write\n", index);
 #endif
-                        mtty_trigger_interrupt(mdev_state->mdev->uuid);
+                        mtty_trigger_interrupt(mdev_uuid(mdev_state->mdev));
                }
                break;
@@ -504,7 +507,8 @@ static void handle_bar_read(unsigned int index, struct mdev_state *mdev_state,
 #endif
                        if (mdev_state->s[index].uart_reg[UART_IER] &
                                                         UART_IER_THRI)
-                                mtty_trigger_interrupt(mdev_state->mdev->uuid);
+                                mtty_trigger_interrupt(
+                                        mdev_uuid(mdev_state->mdev));
                }
                mutex_unlock(&mdev_state->rxtx_lock);
@@ -734,7 +738,7 @@ int mtty_create(struct kobject *kobj, struct mdev_device *mdev)
        for (i = 0; i < 2; i++) {
                snprintf(name, MTTY_STRING_LEN, "%s-%d",
-                        dev_driver_string(mdev->parent->dev), i + 1);
+                        dev_driver_string(mdev_parent_dev(mdev)), i + 1);
                if (!strcmp(kobj->name, name)) {
                        nr_ports = i + 1;
                        break;
@@ -1298,10 +1302,8 @@ static ssize_t
 sample_mdev_dev_show(struct device *dev, struct device_attribute *attr,
                     char *buf)
 {
-        struct mdev_device *mdev = to_mdev_device(dev);
+        if (mdev_from_dev(dev))
+                return sprintf(buf, "This is MDEV %s\n", dev_name(dev));
-        if (mdev)
-                return sprintf(buf, "This is MDEV %s\n", dev_name(&mdev->dev));
        return sprintf(buf, "\n");
 }
@@ -1402,7 +1404,7 @@ struct attribute_group *mdev_type_groups[] = {
        NULL,
 };
-struct parent_ops mdev_fops = {
+struct mdev_parent_ops mdev_fops = {
        .owner                  = THIS_MODULE,
        .dev_attr_groups        = mtty_dev_groups,
        .mdev_attr_groups       = mdev_dev_groups,
@@ -1447,6 +1449,7 @@ static int __init mtty_dev_init(void)
        if (IS_ERR(mtty_dev.vd_class)) {
                pr_err("Error: failed to register mtty_dev class\n");
+                ret = PTR_ERR(mtty_dev.vd_class);
                goto failed1;
        }
@@ -1458,7 +1461,8 @@ static int __init mtty_dev_init(void)
        if (ret)
                goto failed2;
-        if (mdev_register_device(&mtty_dev.dev, &mdev_fops) != 0)
+        ret = mdev_register_device(&mtty_dev.dev, &mdev_fops);
+        if (ret)
                goto failed3;
        mutex_init(&mdev_list_lock);
diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index 950fd2e64bb7..12262c0cc691 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -39,6 +39,9 @@
 #include "hash-map.h"
 #endif
+#if BUILDING_GCC_VERSION >= 7000
+#include "memmodel.h"
+#endif
 #include "emit-rtl.h"
 #include "debug.h"
 #include "target.h"
@@ -91,6 +94,9 @@
 #include "tree-ssa-alias.h"
 #include "tree-ssa.h"
 #include "stringpool.h"
+#if BUILDING_GCC_VERSION >= 7000
+#include "tree-vrp.h"
+#endif
 #include "tree-ssanames.h"
 #include "print-tree.h"
 #include "tree-eh.h"
@@ -287,6 +293,22 @@ static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct c
        return NULL;
 }
+static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
+{
+        cgraph_node_ptr alias;
+        if (callback(node, data))
+                return true;
+        for (alias = node->same_body; alias; alias = alias->next) {
+                if (include_overwritable || cgraph_function_body_availability(alias) > AVAIL_OVERWRITABLE)
+                        if (cgraph_for_node_and_aliases(alias, callback, data, include_overwritable))
+                                return true;
+        }
+        return false;
+}
 #define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \
        for ((node) = cgraph_first_function_with_gimple_body(); (node); \
                (node) = cgraph_next_function_with_gimple_body(node))
@@ -399,6 +421,7 @@ typedef union gimple_statement_d gassign;
 typedef union gimple_statement_d gcall;
 typedef union gimple_statement_d gcond;
 typedef union gimple_statement_d gdebug;
+typedef union gimple_statement_d ggoto;
 typedef union gimple_statement_d gphi;
 typedef union gimple_statement_d greturn;
@@ -452,6 +475,16 @@ static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
        return stmt;
 }
+static inline ggoto *as_a_ggoto(gimple stmt)
+{
+        return stmt;
+}
+static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
+{
+        return stmt;
+}
 static inline gphi *as_a_gphi(gimple stmt)
 {
        return stmt;
@@ -496,6 +529,14 @@ static inline const greturn *as_a_const_greturn(const_gimple stmt)
 typedef struct rtx_def rtx_insn;
+static inline const char *get_decl_section_name(const_tree decl)
+{
+        if (DECL_SECTION_NAME(decl) == NULL_TREE)
+                return NULL;
+        return TREE_STRING_POINTER(DECL_SECTION_NAME(decl));
+}
 static inline void set_decl_section_name(tree node, const char *value)
 {
        if (value)
@@ -511,6 +552,7 @@ typedef struct gimple_statement_base gassign;
 typedef struct gimple_statement_call gcall;
 typedef struct gimple_statement_base gcond;
 typedef struct gimple_statement_base gdebug;
+typedef struct gimple_statement_base ggoto;
 typedef struct gimple_statement_phi gphi;
 typedef struct gimple_statement_base greturn;
@@ -564,6 +606,16 @@ static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
        return stmt;
 }
+static inline ggoto *as_a_ggoto(gimple stmt)
+{
+        return stmt;
+}
+static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
+{
+        return stmt;
+}
 static inline gphi *as_a_gphi(gimple stmt)
 {
        return as_a<gphi>(stmt);
@@ -611,6 +663,11 @@ inline bool is_a_helper<const gassign *>::test(const_gimple gs)
 #define INSN_DELETED_P(insn) (insn)->deleted()
+static inline const char *get_decl_section_name(const_tree decl)
+{
+        return DECL_SECTION_NAME(decl);
+}
 /* symtab/cgraph related */
 #define debug_cgraph_node(node) (node)->debug()
 #define cgraph_get_node(decl) cgraph_node::get(decl)
@@ -619,6 +676,7 @@ inline bool is_a_helper<const gassign *>::test(const_gimple gs)
 #define cgraph_n_nodes symtab->cgraph_count
 #define cgraph_max_uid symtab->cgraph_max_uid
 #define varpool_get_node(decl) varpool_node::get(decl)
+#define dump_varpool_node(file, node) (node)->dump(file)
 #define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
        (caller)->create_edge((callee), (call_stmt), (count), (freq))
@@ -674,6 +732,11 @@ static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node)
        return node->get_alias_target();
 }
+static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
+{
+        return node->call_for_symbol_thunks_and_aliases(callback, data, include_overwritable);
+}
 static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data)
 {
        return symtab->add_cgraph_insertion_hook(hook, data);
@@ -731,6 +794,13 @@ static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree l
 template <>
 template <>
+inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
+{
+        return gs->code == GIMPLE_GOTO;
+}
+template <>
+template <>
 inline bool is_a_helper<const greturn *>::test(const_gimple gs)
 {
        return gs->code == GIMPLE_RETURN;
@@ -766,6 +836,16 @@ static inline const gcall *as_a_const_gcall(const_gimple stmt)
        return as_a<const gcall *>(stmt);
 }
+static inline ggoto *as_a_ggoto(gimple stmt)
+{
+        return as_a<ggoto *>(stmt);
+}
+static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
+{
+        return as_a<const ggoto *>(stmt);
+}
 static inline gphi *as_a_gphi(gimple stmt)
 {
        return as_a<gphi *>(stmt);
@@ -828,4 +908,9 @@ static inline void debug_gimple_stmt(const_gimple s)
 #define debug_gimple_stmt(s) debug_gimple_stmt(CONST_CAST_GIMPLE(s))
 #endif
+#if BUILDING_GCC_VERSION >= 7000
+#define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)   \
+        get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
+#endif
 #endif
diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c
index 12541126575b..8ff203ad4809 100644
--- a/scripts/gcc-plugins/latent_entropy_plugin.c
+++ b/scripts/gcc-plugins/latent_entropy_plugin.c
@@ -328,9 +328,9 @@ static enum tree_code get_op(tree *rhs)
                        op = LROTATE_EXPR;
                        /*
                         * This code limits the value of random_const to
-                         * the size of a wide int for the rotation
+                         * the size of a long for the rotation
                         */
-                        random_const &= HOST_BITS_PER_WIDE_INT - 1;
+                        random_const %= TYPE_PRECISION(long_unsigned_type_node);
                        break;
                }
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index efe3a44658d5..4576f987a4a5 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -561,9 +561,9 @@ static void nau8825_xtalk_prepare(struct nau8825 *nau8825)
        nau8825_xtalk_backup(nau8825);
        /* Config IIS as master to output signal by codec */
        regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2,
-                NAU8825_I2S_MS_MASK | NAU8825_I2S_DRV_MASK |
+                NAU8825_I2S_MS_MASK | NAU8825_I2S_LRC_DIV_MASK |
                NAU8825_I2S_BLK_DIV_MASK, NAU8825_I2S_MS_MASTER |
-                (0x2 << NAU8825_I2S_DRV_SFT) | 0x1);
+                (0x2 << NAU8825_I2S_LRC_DIV_SFT) | 0x1);
        /* Ramp up headphone volume to 0dB to get better performance and
         * avoid pop noise in headphone.
         */
@@ -657,7 +657,7 @@ static void nau8825_xtalk_clean(struct nau8825 *nau8825)
                NAU8825_IRQ_RMS_EN, NAU8825_IRQ_RMS_EN);
        /* Recover default value for IIS */
        regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2,
-                NAU8825_I2S_MS_MASK | NAU8825_I2S_DRV_MASK |
+                NAU8825_I2S_MS_MASK | NAU8825_I2S_LRC_DIV_MASK |
                NAU8825_I2S_BLK_DIV_MASK, NAU8825_I2S_MS_SLAVE);
        /* Restore value of specific register for cross talk */
        nau8825_xtalk_restore(nau8825);
@@ -2006,7 +2006,8 @@ static void nau8825_fll_apply(struct nau8825 *nau8825,
                        NAU8825_FLL_INTEGER_MASK, fll_param->fll_int);
        /* FLL pre-scaler */
        regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL4,
-                        NAU8825_FLL_REF_DIV_MASK, fll_param->clk_ref_div);
+                        NAU8825_FLL_REF_DIV_MASK,
+                        fll_param->clk_ref_div << NAU8825_FLL_REF_DIV_SFT);
        /* select divided VCO input */
        regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5,
                NAU8825_FLL_CLK_SW_MASK, NAU8825_FLL_CLK_SW_REF);
diff --git a/sound/soc/codecs/nau8825.h b/sound/soc/codecs/nau8825.h
index 5d1704e73241..514fd13c2f46 100644
--- a/sound/soc/codecs/nau8825.h
+++ b/sound/soc/codecs/nau8825.h
@@ -137,7 +137,8 @@
 #define NAU8825_FLL_CLK_SRC_FS                  (0x3 << NAU8825_FLL_CLK_SRC_SFT)
 /* FLL4 (0x07) */
-#define NAU8825_FLL_REF_DIV_MASK                (0x3 << 10)
+#define NAU8825_FLL_REF_DIV_SFT 10
+#define NAU8825_FLL_REF_DIV_MASK        (0x3 << NAU8825_FLL_REF_DIV_SFT)
 /* FLL5 (0x08) */
 #define NAU8825_FLL_PDB_DAC_EN          (0x1 << 15)
@@ -247,8 +248,8 @@
 /* I2S_PCM_CTRL2 (0x1d) */
 #define NAU8825_I2S_TRISTATE    (1 << 15) /* 0 - normal mode, 1 - Hi-Z output */
-#define NAU8825_I2S_DRV_SFT     12
+#define NAU8825_I2S_LRC_DIV_SFT 12
-#define NAU8825_I2S_DRV_MASK    (0x3 << NAU8825_I2S_DRV_SFT)
+#define NAU8825_I2S_LRC_DIV_MASK        (0x3 << NAU8825_I2S_LRC_DIV_SFT)
 #define NAU8825_I2S_MS_SFT      3
 #define NAU8825_I2S_MS_MASK     (1 << NAU8825_I2S_MS_SFT)
 #define NAU8825_I2S_MS_MASTER   (1 << NAU8825_I2S_MS_SFT)
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 10c2a564a715..1ac96ef9ee20 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3833,6 +3833,9 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
                }
        }
+        regmap_update_bits(rt5645->regmap, RT5645_ADDA_CLK1,
+                RT5645_I2S_PD1_MASK, RT5645_I2S_PD1_2);
        if (rt5645->pdata.jd_invert) {
                regmap_update_bits(rt5645->regmap, RT5645_IRQ_CTRL2,
                        RT5645_JD_1_1_MASK, RT5645_JD_1_1_INV);
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 8877b74b0510..bb94d50052d7 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -126,6 +126,16 @@ static const struct reg_default aic3x_reg[] = {
        { 108, 0x00 }, { 109, 0x00 },
 };
+static bool aic3x_volatile_reg(struct device *dev, unsigned int reg)
+{
+        switch (reg) {
+        case AIC3X_RESET:
+                return true;
+        default:
+                return false;
+        }
+}
 static const struct regmap_config aic3x_regmap = {
        .reg_bits = 8,
        .val_bits = 8,
@@ -133,6 +143,9 @@ static const struct regmap_config aic3x_regmap = {
        .max_register = DAC_ICC_ADJ,
        .reg_defaults = aic3x_reg,
        .num_reg_defaults = ARRAY_SIZE(aic3x_reg),
+        .volatile_reg = aic3x_volatile_reg,
        .cache_type = REGCACHE_RBTREE,
 };
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 593b7d1aed46..d72ccef9e238 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1551,7 +1551,7 @@ static int wm_adsp_load(struct wm_adsp *dsp)
        const struct wmfw_region *region;
        const struct wm_adsp_region *mem;
        const char *region_name;
-        char *file, *text;
+        char *file, *text = NULL;
        struct wm_adsp_buf *buf;
        unsigned int reg;
        int regions = 0;
@@ -1700,10 +1700,21 @@ static int wm_adsp_load(struct wm_adsp *dsp)
                         regions, le32_to_cpu(region->len), offset,
                         region_name);
+                if ((pos + le32_to_cpu(region->len) + sizeof(*region)) >
+                    firmware->size) {
+                        adsp_err(dsp,
+                                 "%s.%d: %s region len %d bytes exceeds file length %zu\n",
+                                 file, regions, region_name,
+                                 le32_to_cpu(region->len), firmware->size);
+                        ret = -EINVAL;
+                        goto out_fw;
+                }
                if (text) {
                        memcpy(text, region->data, le32_to_cpu(region->len));
                        adsp_info(dsp, "%s: %s\n", file, text);
                        kfree(text);
+                        text = NULL;
                }
                if (reg) {
@@ -1748,6 +1759,7 @@ out_fw:
        regmap_async_complete(regmap);
        wm_adsp_buf_free(&buf_list);
        release_firmware(firmware);
+        kfree(text);
 out:
        kfree(file);
@@ -2233,6 +2245,17 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
                }
                if (reg) {
+                        if ((pos + le32_to_cpu(blk->len) + sizeof(*blk)) >
+                            firmware->size) {
+                                adsp_err(dsp,
+                                         "%s.%d: %s region len %d bytes exceeds file length %zu\n",
+                                         file, blocks, region_name,
+                                         le32_to_cpu(blk->len),
+                                         firmware->size);
+                                ret = -EINVAL;
+                                goto out_fw;
+                        }
                        buf = wm_adsp_buf_alloc(blk->data,
                                                le32_to_cpu(blk->len),
                                                &buf_list);
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c
index 2998954a1c74..bdf8398cbc81 100644
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s.c
@@ -681,22 +681,19 @@ static int dw_i2s_probe(struct platform_device *pdev)
        }
        if (!pdata) {
-                ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+                if (irq >= 0) {
-                if (ret == -EPROBE_DEFER) {
-                        dev_err(&pdev->dev,
-                                "failed to register PCM, deferring probe\n");
-                        return ret;
-                } else if (ret) {
-                        dev_err(&pdev->dev,
-                                "Could not register DMA PCM: %d\n"
-                                "falling back to PIO mode\n", ret);
                        ret = dw_pcm_register(pdev);
-                        if (ret) {
+                        dev->use_pio = true;
-                                dev_err(&pdev->dev,
+                } else {
-                                        "Could not register PIO PCM: %d\n",
+                        ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL,
+                                        0);
+                        dev->use_pio = false;
+                }
+                if (ret) {
+                        dev_err(&pdev->dev, "could not register pcm: %d\n",
                                        ret);
-                                goto err_clk_disable;
+                        goto err_clk_disable;
-                        }
                }
        }
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 50349437d961..fde08660b63b 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -224,6 +224,12 @@ struct fsl_ssi_soc_data {
 * @dbg_stats: Debugging statistics
 *
 * @soc: SoC specific data
+ *
+ * @fifo_watermark: the FIFO watermark setting.  Notifies DMA when
+ *             there are @fifo_watermark or fewer words in TX fifo or
+ *             @fifo_watermark or more empty words in RX fifo.
+ * @dma_maxburst: max number of words to transfer in one go.  So far,
+ *             this is always the same as fifo_watermark.
 */
 struct fsl_ssi_private {
        struct regmap *regs;
@@ -263,6 +269,9 @@ struct fsl_ssi_private {
        const struct fsl_ssi_soc_data *soc;
        struct device *dev;
+        u32 fifo_watermark;
+        u32 dma_maxburst;
 };
 /*
@@ -1051,21 +1060,7 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev,
        regmap_write(regs, CCSR_SSI_SRCR, srcr);
        regmap_write(regs, CCSR_SSI_SCR, scr);
-        /*
+        wm = ssi_private->fifo_watermark;
-         * Set the watermark for transmit FIFI 0 and receive FIFO 0. We don't
-         * use FIFO 1. We program the transmit water to signal a DMA transfer
-         * if there are only two (or fewer) elements left in the FIFO. Two
-         * elements equals one frame (left channel, right channel). This value,
-         * however, depends on the depth of the transmit buffer.
-         *
-         * We set the watermark on the same level as the DMA burstsize.  For
-         * fiq it is probably better to use the biggest possible watermark
-         * size.
-         */
-        if (ssi_private->use_dma)
-                wm = ssi_private->fifo_depth - 2;
-        else
-                wm = ssi_private->fifo_depth;
        regmap_write(regs, CCSR_SSI_SFCSR,
                        CCSR_SSI_SFCSR_TFWM0(wm) | CCSR_SSI_SFCSR_RFWM0(wm) |
@@ -1373,12 +1368,8 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
                dev_dbg(&pdev->dev, "could not get baud clock: %ld\n",
                         PTR_ERR(ssi_private->baudclk));
-        /*
+        ssi_private->dma_params_tx.maxburst = ssi_private->dma_maxburst;
-         * We have burstsize be "fifo_depth - 2" to match the SSI
+        ssi_private->dma_params_rx.maxburst = ssi_private->dma_maxburst;
-         * watermark setting in fsl_ssi_startup().
-         */
-        ssi_private->dma_params_tx.maxburst = ssi_private->fifo_depth - 2;
-        ssi_private->dma_params_rx.maxburst = ssi_private->fifo_depth - 2;
        ssi_private->dma_params_tx.addr = ssi_private->ssi_phys + CCSR_SSI_STX0;
        ssi_private->dma_params_rx.addr = ssi_private->ssi_phys + CCSR_SSI_SRX0;
@@ -1543,6 +1534,47 @@ static int fsl_ssi_probe(struct platform_device *pdev)
                /* Older 8610 DTs didn't have the fifo-depth property */
                ssi_private->fifo_depth = 8;
+        /*
+         * Set the watermark for transmit FIFO 0 and receive FIFO 0. We don't
+         * use FIFO 1 but set the watermark appropriately nontheless.
+         * We program the transmit water to signal a DMA transfer
+         * if there are N elements left in the FIFO. For chips with 15-deep
+         * FIFOs, set watermark to 8.  This allows the SSI to operate at a
+         * high data rate without channel slipping. Behavior is unchanged
+         * for the older chips with a fifo depth of only 8.  A value of 4
+         * might be appropriate for the older chips, but is left at
+         * fifo_depth-2 until sombody has a chance to test.
+         *
+         * We set the watermark on the same level as the DMA burstsize.  For
+         * fiq it is probably better to use the biggest possible watermark
+         * size.
+         */
+        switch (ssi_private->fifo_depth) {
+        case 15:
+                /*
+                 * 2 samples is not enough when running at high data
+                 * rates (like 48kHz @ 16 bits/channel, 16 channels)
+                 * 8 seems to split things evenly and leave enough time
+                 * for the DMA to fill the FIFO before it's over/under
+                 * run.
+                 */
+                ssi_private->fifo_watermark = 8;
+                ssi_private->dma_maxburst = 8;
+                break;
+        case 8:
+        default:
+                /*
+                 * maintain old behavior for older chips.
+                 * Keeping it the same because I don't have an older
+                 * board to test with.
+                 * I suspect this could be changed to be something to
+                 * leave some more space in the fifo.
+                 */
+                ssi_private->fifo_watermark = ssi_private->fifo_depth - 2;
+                ssi_private->dma_maxburst = ssi_private->fifo_depth - 2;
+                break;
+        }
        dev_set_drvdata(&pdev->dev, ssi_private);
        if (ssi_private->soc->imx) {
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 507a86a5eafe..8d2fb2d6f532 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -142,7 +142,7 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
                 * for Jack detection and button press
                 */
                ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
-                                             0,
+                                             48000 * 512,
                                             SND_SOC_CLOCK_IN);
                if (!ret) {
                        if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && priv->mclk)
@@ -825,10 +825,20 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
        if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && (is_valleyview())) {
                priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
                if (IS_ERR(priv->mclk)) {
+                        ret_val = PTR_ERR(priv->mclk);
                        dev_err(&pdev->dev,
-                                "Failed to get MCLK from pmc_plt_clk_3: %ld\n",
+                                "Failed to get MCLK from pmc_plt_clk_3: %d\n",
-                                PTR_ERR(priv->mclk));
+                                ret_val);
-                        return PTR_ERR(priv->mclk);
+                        /*
+                         * Fall back to bit clock usage for -ENOENT (clock not
+                         * available likely due to missing dependencies), bail
+                         * for all other errors, including -EPROBE_DEFER
+                         */
+                        if (ret_val != -ENOENT)
+                                return ret_val;
+                        byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
                }
        }
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 84b5101e6ca6..6c6b63a6b338 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -180,6 +180,9 @@ static int skl_pcm_open(struct snd_pcm_substream *substream,
        snd_pcm_set_sync(substream);
        mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
+        if (!mconfig)
+                return -EINVAL;
        skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);
        return 0;
diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c
index 8fc3178bc79c..b30bd384c8d3 100644
--- a/sound/soc/intel/skylake/skl-sst.c
+++ b/sound/soc/intel/skylake/skl-sst.c
@@ -515,6 +515,9 @@ EXPORT_SYMBOL_GPL(skl_sst_init_fw);
 void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
 {
+        if (ctx->dsp->fw)
+                release_firmware(ctx->dsp->fw);
        skl_clear_module_table(ctx->dsp);
        skl_freeup_uuid_list(ctx);
        skl_ipc_free(&ctx->ipc);
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 4bd68de76130..99b5b0835c1e 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -1030,10 +1030,8 @@ static int __rsnd_kctrl_new(struct rsnd_mod *mod,
                return -ENOMEM;
        ret = snd_ctl_add(card, kctrl);
-        if (ret < 0) {
+        if (ret < 0)
-                snd_ctl_free_one(kctrl);
                return ret;
-        }
        cfg->update = update;
        cfg->card = card;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index f1901bb1466e..baa1afa41e3d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1748,6 +1748,7 @@ static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
        component->init = aux_dev->init;
        component->auxiliary = 1;
+        list_add(&component->card_aux_list, &card->aux_comp_list);
        return 0;
@@ -1758,16 +1759,14 @@ err_defer:
 static int soc_probe_aux_devices(struct snd_soc_card *card)
 {
-        struct snd_soc_component *comp;
+        struct snd_soc_component *comp, *tmp;
        int order;
        int ret;
        for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
                order++) {
-                list_for_each_entry(comp, &card->component_dev_list, card_list) {
+                list_for_each_entry_safe(comp, tmp, &card->aux_comp_list,
-                        if (!comp->auxiliary)
+                                         card_aux_list) {
-                                continue;
                        if (comp->driver->probe_order == order) {
                                ret = soc_probe_component(card, comp);
                                if (ret < 0) {
@@ -1776,6 +1775,7 @@ static int soc_probe_aux_devices(struct snd_soc_card *card)
                                                comp->name, ret);
                                        return ret;
                                }
+                                list_del(&comp->card_aux_list);
                        }
                }
        }
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index e7a1eaa2772f..6aba14009c92 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2184,9 +2184,11 @@ static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd)
                break;
        case SNDRV_PCM_TRIGGER_STOP:
        case SNDRV_PCM_TRIGGER_SUSPEND:
-        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
                fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
                break;
+        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+                fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
+                break;
        }
 out:
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 65670b2b408c..fbfb1fab88d5 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -514,13 +514,12 @@ static void remove_widget(struct snd_soc_component *comp,
                            == SND_SOC_TPLG_TYPE_MIXER)
                                kfree(kcontrol->tlv.p);
-                        snd_ctl_remove(card, kcontrol);
                        /* Private value is used as struct soc_mixer_control
                         * for volume mixers or soc_bytes_ext for bytes
                         * controls.
                         */
                        kfree((void *)kcontrol->private_value);
+                        snd_ctl_remove(card, kcontrol);
                }
                kfree(w->kcontrol_news);
        }
diff --git a/usr/Makefile b/usr/Makefile
index 17a513268325..0b87e71c00fc 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -5,8 +5,10 @@
 klibcdirs:;
 PHONY += klibcdirs
-suffix_y = $(CONFIG_INITRAMFS_COMPRESSION)
+suffix_y = $(subst $\",,$(CONFIG_INITRAMFS_COMPRESSION))
-AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)"
+datafile_y = initramfs_data.cpio$(suffix_y)
+AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/$(datafile_y)"
 # Generate builtin.o based on initramfs_data.o
 obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o
@@ -14,7 +16,7 @@ obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o
 # initramfs_data.o contains the compressed initramfs_data.cpio image.
 # The image is included using .incbin, a dependency which is not
 # tracked automatically.
-$(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio$(suffix_y) FORCE
+$(obj)/initramfs_data.o: $(obj)/$(datafile_y) FORCE
 #####
 # Generate the initramfs cpio archive
@@ -38,10 +40,8 @@ endif
 quiet_cmd_initfs = GEN     $@
      cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
-targets := initramfs_data.cpio.gz initramfs_data.cpio.bz2 \
+targets := $(datafile_y)
-        initramfs_data.cpio.lzma initramfs_data.cpio.xz \
-        initramfs_data.cpio.lzo initramfs_data.cpio.lz4 \
-        initramfs_data.cpio
 # do not try to update files included in initramfs
 $(deps_initramfs): ;
@@ -51,6 +51,6 @@ $(deps_initramfs): klibcdirs
 # 2) There are changes in which files are included (added or deleted)
 # 3) If gen_init_cpio are newer than initramfs_data.cpio
 # 4) arguments to gen_initramfs.sh changes
-$(obj)/initramfs_data.cpio$(suffix_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs
+$(obj)/$(datafile_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs
        $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.d
        $(call if_changed,initfs)
author	Takashi Iwai <tiwai@suse.de>	2017-01-11 13:49:27 -0500
committer	Takashi Iwai <tiwai@suse.de>	2017-01-11 13:49:27 -0500
commit	6cf4569ce3561dec560147e6051959d6896b23d1 (patch)
tree	2b3dca47673824975c35a708a6d9d24ff46a2771
parent	2e40795c3bf344cfb5220d94566205796e3ef19a (diff)
parent	42e0ebdef53d91891939a475c6ef23970829ff99 (diff)