396 files changed, 5489 insertions, 2523 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index a3c5a6685036..ab8d76dfaa80 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -117,7 +117,7 @@ Description:
 
 What:           /sys/bus/pci/devices/.../vpd
 Date:           February 2008
-Contact:        Ben Hutchings <bhutchings@solarflare.com>
+Contact:        Ben Hutchings <bwh@kernel.org>
 Description:
                 A file named vpd in a device directory will be a
                 binary file containing the Vital Product Data for the
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 677a02553ec0..ba60d93c1855 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -79,7 +79,7 @@
   <partintro>
     <para>
       This first part of the DRM Developer's Guide documents core DRM code,
-      helper libraries for writting drivers and generic userspace interfaces
+      helper libraries for writing drivers and generic userspace interfaces
       exposed by DRM drivers.
     </para>
   </partintro>
@@ -459,7 +459,7 @@ char *date;</synopsis>
       providing a solution to every graphics memory-related problems, GEM
       identified common code between drivers and created a support library to
       share it. GEM has simpler initialization and execution requirements than
-      TTM, but has no video RAM management capabitilies and is thus limited to
+      TTM, but has no video RAM management capabilities and is thus limited to
       UMA devices.
     </para>
     <sect2>
@@ -889,7 +889,7 @@ int (*prime_fd_to_handle)(struct drm_device *dev,
             vice versa. Drivers must use the kernel dma-buf buffer sharing framework
             to manage the PRIME file descriptors. Similar to the mode setting
             API PRIME is agnostic to the underlying buffer object manager, as
-            long as handles are 32bit unsinged integers.
+            long as handles are 32bit unsigned integers.
           </para>
           <para>
             While non-GEM drivers must implement the operations themselves, GEM
@@ -2356,7 +2356,7 @@ void intel_crt_init(struct drm_device *dev)
       first create properties and then create and associate individual instances
       of those properties to objects. A property can be instantiated multiple
       times and associated with different objects. Values are stored in property
-      instances, and all other property information are stored in the propery
+      instances, and all other property information are stored in the property
       and shared between all instances of the property.
     </para>
     <para>
@@ -2697,10 +2697,10 @@ int num_ioctls;</synopsis>
   <sect1>
     <title>Legacy Support Code</title>
     <para>
-      The section very brievely covers some of the old legacy support code which
+      The section very briefly covers some of the old legacy support code which
       is only used by old DRM drivers which have done a so-called shadow-attach
       to the underlying device instead of registering as a real driver. This
-      also includes some of the old generic buffer mangement and command
+      also includes some of the old generic buffer management and command
       submission code. Do not use any of this in new and modern drivers.
     </para>
 
diff --git a/Documentation/DocBook/media/Makefile b/Documentation/DocBook/media/Makefile
index f9fd615427fb..1d27f0a1abd1 100644
--- a/Documentation/DocBook/media/Makefile
+++ b/Documentation/DocBook/media/Makefile
@@ -195,7 +195,7 @@ DVB_DOCUMENTED = \
 #
 
 install_media_images = \
-        $(Q)cp $(OBJIMGFILES) $(MEDIA_SRC_DIR)/v4l/*.svg $(MEDIA_OBJ_DIR)/media_api
+        $(Q)-cp $(OBJIMGFILES) $(MEDIA_SRC_DIR)/v4l/*.svg $(MEDIA_OBJ_DIR)/media_api
 
 $(MEDIA_OBJ_DIR)/%: $(MEDIA_SRC_DIR)/%.b64
         $(Q)base64 -d $< >$@
diff --git a/Documentation/debugging-via-ohci1394.txt b/Documentation/debugging-via-ohci1394.txt
index fa0151a712f9..5c9a567b3fac 100644
--- a/Documentation/debugging-via-ohci1394.txt
+++ b/Documentation/debugging-via-ohci1394.txt
@@ -25,9 +25,11 @@ using data transfer rates in the order of 10MB/s or more.
 With most FireWire controllers, memory access is limited to the low 4 GB
 of physical address space.  This can be a problem on IA64 machines where
 memory is located mostly above that limit, but it is rarely a problem on
-more common hardware such as x86, x86-64 and PowerPC.  However, at least
-Agere/LSI FW643e and FW643e2 controllers are known to support access to
-physical addresses above 4 GB.
+more common hardware such as x86, x86-64 and PowerPC.
+
+At least LSI FW643e and FW643e2 controllers are known to support access to
+physical addresses above 4 GB, but this feature is currently not enabled by
+Linux.
 
 Together with a early initialization of the OHCI-1394 controller for debugging,
 this facility proved most useful for examining long debugs logs in the printk
@@ -101,8 +103,9 @@ Step-by-step instructions for using firescope with early OHCI initialization:
    compliant, they are based on TI PCILynx chips and require drivers for Win-
    dows operating systems.
 
-   The mentioned kernel log message contains ">4 GB phys DMA" in case of
-   OHCI-1394 controllers which support accesses above this limit.
+   The mentioned kernel log message contains the string "physUB" if the
+   controller implements a writable Physical Upper Bound register.  This is
+   required for physical DMA above 4 GB (but not utilized by Linux yet).
 
 2) Establish a working FireWire cable connection:
 
diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt
index 05a27e9442bd..2f5173500bd9 100644
--- a/Documentation/device-mapper/thin-provisioning.txt
+++ b/Documentation/device-mapper/thin-provisioning.txt
@@ -309,7 +309,10 @@ ii) Status
     error_if_no_space|queue_if_no_space
         If the pool runs out of data or metadata space, the pool will
         either queue or error the IO destined to the data device.  The
-        default is to queue the IO until more space is added.
+        default is to queue the IO until more space is added or the
+        'no_space_timeout' expires.  The 'no_space_timeout' dm-thin-pool
+        module parameter can be used to change this timeout -- it
+        defaults to 60 seconds but may be disabled using a value of 0.
 
 iii) Messages
 
diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt b/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt
index 5992dceec7af..02a25d99ca61 100644
--- a/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt
@@ -43,7 +43,7 @@ Example
                 clock-output-names =
                         "tpu0", "mmcif1", "sdhi3", "sdhi2",
                          "sdhi1", "sdhi0", "mmcif0";
-                renesas,clock-indices = <
+                clock-indices = <
                         R8A7790_CLK_TPU0 R8A7790_CLK_MMCIF1 R8A7790_CLK_SDHI3
                         R8A7790_CLK_SDHI2 R8A7790_CLK_SDHI1 R8A7790_CLK_SDHI0
                         R8A7790_CLK_MMCIF0
diff --git a/Documentation/devicetree/bindings/net/mdio-gpio.txt b/Documentation/devicetree/bindings/net/mdio-gpio.txt
index c79bab025369..8dbcf8295c6c 100644
--- a/Documentation/devicetree/bindings/net/mdio-gpio.txt
+++ b/Documentation/devicetree/bindings/net/mdio-gpio.txt
@@ -14,7 +14,7 @@ node.
 Example:
 
 aliases {
-        mdio-gpio0 = <&mdio0>;
+        mdio-gpio0 = &mdio0;
 };
 
 mdio0: mdio {
diff --git a/Documentation/email-clients.txt b/Documentation/email-clients.txt
index e9f5daccbd02..4e30ebaa9e5b 100644
--- a/Documentation/email-clients.txt
+++ b/Documentation/email-clients.txt
@@ -201,20 +201,15 @@ To beat some sense out of the internal editor, do this:
 
 - Edit your Thunderbird config settings so that it won't use format=flowed.
   Go to "edit->preferences->advanced->config editor" to bring up the
-  thunderbird's registry editor, and set "mailnews.send_plaintext_flowed" to
-  "false".
+  thunderbird's registry editor.
 
-- Disable HTML Format: Set "mail.identity.id1.compose_html" to "false".
+- Set "mailnews.send_plaintext_flowed" to "false"
 
-- Enable "preformat" mode: Set "editor.quotesPreformatted" to "true".
+- Set "mailnews.wraplength" from "72" to "0"
 
-- Enable UTF8: Set "prefs.converted-to-utf8" to "true".
+- "View" > "Message Body As" > "Plain Text"
 
-- Install the "toggle wordwrap" extension.  Download the file from:
-    https://addons.mozilla.org/thunderbird/addon/2351/
-  Then go to "tools->add ons", select "install" at the bottom of the screen,
-  and browse to where you saved the .xul file.  This adds an "Enable
-  Wordwrap" entry under the Options menu of the message composer.
+- "View" > "Character Encoding" > "Unicode (UTF-8)"
 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 TkRat (GUI)
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 8b9cd8eb3f91..264bcde0c51c 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1245,8 +1245,9 @@ second).  The meanings of the columns are as follows, from left to right:
 
 The "intr" line gives counts of interrupts  serviced since boot time, for each
 of the  possible system interrupts.   The first  column  is the  total of  all
-interrupts serviced; each  subsequent column is the  total for that particular
-interrupt.
+interrupts serviced  including  unnumbered  architecture specific  interrupts;
+each  subsequent column is the  total for that particular numbered interrupt.
+Unnumbered interrupts are not shown, only summed into the total.
 
 The "ctxt" line gives the total number of context switches across all CPUs.
 
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 79f8257dd790..2cc95ad46604 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -327,6 +327,13 @@ temp[1-*]_max_hyst
                 from the max value.
                 RW
 
+temp[1-*]_min_hyst
+                Temperature hysteresis value for min limit.
+                Unit: millidegree Celsius
+                Must be reported as an absolute temperature, NOT a delta
+                from the min value.
+                RW
+
 temp[1-*]_input Temperature input value.
                 Unit: millidegree Celsius
                 RO
@@ -362,6 +369,13 @@ temp[1-*]_lcrit	Temperature critical min value, typically lower than
                 Unit: millidegree Celsius
                 RW
 
+temp[1-*]_lcrit_hyst
+                Temperature hysteresis value for critical min limit.
+                Unit: millidegree Celsius
+                Must be reported as an absolute temperature, NOT a delta
+                from the critical min value.
+                RW
+
 temp[1-*]_offset
                 Temperature offset which is added to the temperature reading
                 by the chip.
diff --git a/Documentation/java.txt b/Documentation/java.txt
index e6a723281547..418020584ccc 100644
--- a/Documentation/java.txt
+++ b/Documentation/java.txt
@@ -188,6 +188,9 @@ shift
 #define CP_METHODREF 10
 #define CP_INTERFACEMETHODREF 11
 #define CP_NAMEANDTYPE 12
+#define CP_METHODHANDLE 15
+#define CP_METHODTYPE 16
+#define CP_INVOKEDYNAMIC 18
 
 /* Define some commonly used error messages */
 
@@ -242,14 +245,19 @@ void skip_constant(FILE *classfile, u_int16_t *cur)
                 break;
         case CP_CLASS:
         case CP_STRING:
+        case CP_METHODTYPE:
                 seekerr = fseek(classfile, 2, SEEK_CUR);
                 break;
+        case CP_METHODHANDLE:
+                seekerr = fseek(classfile, 3, SEEK_CUR);
+                break;
         case CP_INTEGER:
         case CP_FLOAT:
         case CP_FIELDREF:
         case CP_METHODREF:
         case CP_INTERFACEMETHODREF:
         case CP_NAMEANDTYPE:
+        case CP_INVOKEDYNAMIC:
                 seekerr = fseek(classfile, 4, SEEK_CUR);
                 break;
         case CP_LONG:
diff --git a/Documentation/networking/filter.txt b/Documentation/networking/filter.txt
index 81f940f4e884..e3ba753cb714 100644
--- a/Documentation/networking/filter.txt
+++ b/Documentation/networking/filter.txt
@@ -277,7 +277,7 @@ Possible BPF extensions are shown in the following table:
   mark                                  skb->mark
   queue                                 skb->queue_mapping
   hatype                                skb->dev->type
-  rxhash                                skb->rxhash
+  rxhash                                skb->hash
   cpu                                   raw_smp_processor_id()
   vlan_tci                              vlan_tx_tag_get(skb)
   vlan_pr                               vlan_tx_tag_present(skb)
diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt
index 6fea79efb4cb..38112d512f47 100644
--- a/Documentation/networking/packet_mmap.txt
+++ b/Documentation/networking/packet_mmap.txt
@@ -578,7 +578,7 @@ processes. This also works in combination with mmap(2) on packet sockets.
 
 Currently implemented fanout policies are:
 
-  - PACKET_FANOUT_HASH: schedule to socket by skb's rxhash
+  - PACKET_FANOUT_HASH: schedule to socket by skb's packet hash
   - PACKET_FANOUT_LB: schedule to socket by round-robin
   - PACKET_FANOUT_CPU: schedule to socket by CPU packet arrives on
   - PACKET_FANOUT_RND: schedule to socket by random selection
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index a9380ba54c8e..b4f53653c106 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -2126,7 +2126,7 @@ into the hash PTE second double word).
 4.75 KVM_IRQFD
 
 Capability: KVM_CAP_IRQFD
-Architectures: x86
+Architectures: x86 s390
 Type: vm ioctl
 Parameters: struct kvm_irqfd (in)
 Returns: 0 on success, -1 on error
diff --git a/MAINTAINERS b/MAINTAINERS
index bb36478f3b92..bf5d82d28748 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -537,7 +537,7 @@ L:	linux-alpha@vger.kernel.org
 F:      arch/alpha/
 
 ALTERA TRIPLE SPEED ETHERNET DRIVER
-M:      Vince Bridgers <vbridgers2013@gmail.com
+M:      Vince Bridgers <vbridgers2013@gmail.com>
 L:      netdev@vger.kernel.org
 L:      nios2-dev@lists.rocketboards.org (moderated for non-subscribers)
 S:      Maintained
@@ -6523,10 +6523,10 @@ T:	git git://openrisc.net/~jonas/linux
 F:      arch/openrisc/
 
 OPENVSWITCH
-M:      Jesse Gross <jesse@nicira.com>
+M:      Pravin Shelar <pshelar@nicira.com>
 L:      dev@openvswitch.org
 W:      http://openvswitch.org
-T:      git git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch.git
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/pshelar/openvswitch.git
 S:      Maintained
 F:      net/openvswitch/
 
@@ -7414,6 +7414,14 @@ F:	drivers/rpmsg/
 F:      Documentation/rpmsg.txt
 F:      include/linux/rpmsg.h
 
+RESET CONTROLLER FRAMEWORK
+M:      Philipp Zabel <p.zabel@pengutronix.de>
+S:      Maintained
+F:      drivers/reset/
+F:      Documentation/devicetree/bindings/reset/
+F:      include/linux/reset.h
+F:      include/linux/reset-controller.h
+
 RFKILL
 M:      Johannes Berg <johannes@sipsolutions.net>
 L:      linux-wireless@vger.kernel.org
diff --git a/Makefile b/Makefile
index 8a8440a3578e..cdaa5b6a1c4d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 15
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc8
 NAME = Shuffling Zombie Juror
 
 # *DOCUMENTATION*
diff --git a/arch/arm/boot/dts/armada-380.dtsi b/arch/arm/boot/dts/armada-380.dtsi
index 068031f0f263..6d0f03c98ee9 100644
--- a/arch/arm/boot/dts/armada-380.dtsi
+++ b/arch/arm/boot/dts/armada-380.dtsi
@@ -99,7 +99,7 @@
                         pcie@3,0 {
                                 device_type = "pci";
                                 assigned-addresses = <0x82000800 0 0x44000 0 0x2000>;
-                                reg = <0x1000 0 0 0 0>;
+                                reg = <0x1800 0 0 0 0>;
                                 #address-cells = <3>;
                                 #size-cells = <2>;
                                 #interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/armada-385.dtsi b/arch/arm/boot/dts/armada-385.dtsi
index e2919f02e1d4..da801964a257 100644
--- a/arch/arm/boot/dts/armada-385.dtsi
+++ b/arch/arm/boot/dts/armada-385.dtsi
@@ -110,7 +110,7 @@
                         pcie@3,0 {
                                 device_type = "pci";
                                 assigned-addresses = <0x82000800 0 0x44000 0 0x2000>;
-                                reg = <0x1000 0 0 0 0>;
+                                reg = <0x1800 0 0 0 0>;
                                 #address-cells = <3>;
                                 #size-cells = <2>;
                                 #interrupt-cells = <1>;
@@ -131,7 +131,7 @@
                         pcie@4,0 {
                                 device_type = "pci";
                                 assigned-addresses = <0x82000800 0 0x48000 0 0x2000>;
-                                reg = <0x1000 0 0 0 0>;
+                                reg = <0x2000 0 0 0 0>;
                                 #address-cells = <3>;
                                 #size-cells = <2>;
                                 #interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index 366fc2cbcd64..c0e0eae16a27 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -641,7 +641,7 @@
                                 trigger@3 {
                                         reg = <3>;
                                         trigger-name = "external";
-                                        trigger-value = <0x13>;
+                                        trigger-value = <0xd>;
                                         trigger-external;
                                 };
                         };
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 9583563dd0ef..8a558b7ac999 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -503,7 +503,7 @@
                 status = "okay";
 
                 ak8975@0c {
-                        compatible = "ak,ak8975";
+                        compatible = "asahi-kasei,ak8975";
                         reg = <0x0c>;
                         gpios = <&gpj0 7 0>;
                 };
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 090f9830b129..cde19c818667 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -107,6 +107,7 @@
                                         regulator-name = "VDD_IOPERI_1.8V";
                                         regulator-min-microvolt = <1800000>;
                                         regulator-max-microvolt = <1800000>;
+                                        regulator-always-on;
                                         op_mode = <1>;
                                 };
 
diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index 80a3bf4c5986..896a2a6619e0 100644
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -364,16 +364,4 @@
                         gpio-key,wakeup;
                 };
         };
-
-        amba {
-                mdma1: mdma@11C10000 {
-                        /*
-                         * MDMA1 can support both secure and non-secure
-                         * AXI transactions. When this is enabled in the kernel
-                         * for boards that run in secure mode, we are getting
-                         * imprecise external aborts causing the kernel to oops.
-                         */
-                        status = "disabled";
-                };
-        };
 };
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index c3a9a66c5767..b69fbcb7dcb8 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -219,16 +219,6 @@
                 reg = <0x100440C0 0x20>;
         };
 
-        mau_pd: power-domain@100440E0 {
-                compatible = "samsung,exynos4210-pd";
-                reg = <0x100440E0 0x20>;
-        };
-
-        g2d_pd: power-domain@10044100 {
-                compatible = "samsung,exynos4210-pd";
-                reg = <0x10044100 0x20>;
-        };
-
         msc_pd: power-domain@10044120 {
                 compatible = "samsung,exynos4210-pd";
                 reg = <0x10044120 0x20>;
@@ -336,6 +326,13 @@
                         #dma-cells = <1>;
                         #dma-channels = <8>;
                         #dma-requests = <1>;
+                        /*
+                         * MDMA1 can support both secure and non-secure
+                         * AXI transactions. When this is enabled in the kernel
+                         * for boards that run in secure mode, we are getting
+                         * imprecise external aborts causing the kernel to oops.
+                         */
+                        status = "disabled";
                 };
         };
 
@@ -385,7 +382,7 @@
         spi_0: spi@12d20000 {
                 compatible = "samsung,exynos4210-spi";
                 reg = <0x12d20000 0x100>;
-                interrupts = <0 66 0>;
+                interrupts = <0 68 0>;
                 dmas = <&pdma0 5
                         &pdma0 4>;
                 dma-names = "tx", "rx";
@@ -401,7 +398,7 @@
         spi_1: spi@12d30000 {
                 compatible = "samsung,exynos4210-spi";
                 reg = <0x12d30000 0x100>;
-                interrupts = <0 67 0>;
+                interrupts = <0 69 0>;
                 dmas = <&pdma1 5
                         &pdma1 4>;
                 dma-names = "tx", "rx";
@@ -417,7 +414,7 @@
         spi_2: spi@12d40000 {
                 compatible = "samsung,exynos4210-spi";
                 reg = <0x12d40000 0x100>;
-                interrupts = <0 68 0>;
+                interrupts = <0 70 0>;
                 dmas = <&pdma0 7
                         &pdma0 6>;
                 dma-names = "tx", "rx";
@@ -730,6 +727,5 @@
                 interrupts = <0 112 0>;
                 clocks = <&clock 471>;
                 clock-names = "secss";
-                samsung,power-domain = <&g2d_pd>;
         };
 };
diff --git a/arch/arm/boot/dts/imx53-mba53.dts b/arch/arm/boot/dts/imx53-mba53.dts
index 7c8c12969892..a3431d784870 100644
--- a/arch/arm/boot/dts/imx53-mba53.dts
+++ b/arch/arm/boot/dts/imx53-mba53.dts
@@ -244,7 +244,7 @@
 &tve {
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_vga_sync_1>;
-        i2c-ddc-bus = <&i2c3>;
+        ddc-i2c-bus = <&i2c3>;
         fsl,tve-mode = "vga";
         fsl,hsync-pin = <4>;
         fsl,vsync-pin = <6>;
diff --git a/arch/arm/boot/dts/ste-ccu8540.dts b/arch/arm/boot/dts/ste-ccu8540.dts
index 7f3baf51a3a9..32dd55e5f4e6 100644
--- a/arch/arm/boot/dts/ste-ccu8540.dts
+++ b/arch/arm/boot/dts/ste-ccu8540.dts
@@ -18,6 +18,7 @@
         compatible = "st-ericsson,ccu8540", "st-ericsson,u8540";
 
         memory@0 {
+                device_type = "memory";
                 reg = <0x20000000 0x1f000000>, <0xc0000000 0x3f000000>;
         };
 
diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c
index f01c0ee0c87e..490f3dced749 100644
--- a/arch/arm/common/bL_switcher.c
+++ b/arch/arm/common/bL_switcher.c
@@ -433,8 +433,12 @@ static void bL_switcher_restore_cpus(void)
 {
         int i;
 
-        for_each_cpu(i, &bL_switcher_removed_logical_cpus)
-                cpu_up(i);
+        for_each_cpu(i, &bL_switcher_removed_logical_cpus) {
+                struct device *cpu_dev = get_cpu_device(i);
+                int ret = device_online(cpu_dev);
+                if (ret)
+                        dev_err(cpu_dev, "switcher: unable to restore CPU\n");
+        }
 }
 
 static int bL_switcher_halve_cpus(void)
@@ -521,7 +525,7 @@ static int bL_switcher_halve_cpus(void)
                         continue;
                 }
 
-                ret = cpu_down(i);
+                ret = device_offline(get_cpu_device(i));
                 if (ret) {
                         bL_switcher_restore_cpus();
                         return ret;
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 4ce7b70ea901..e07a227ec0db 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -65,6 +65,7 @@ CONFIG_TCG_TIS_I2C_INFINEON=y
 CONFIG_I2C=y
 CONFIG_I2C_MUX=y
 CONFIG_I2C_ARB_GPIO_CHALLENGE=y
+CONFIG_I2C_EXYNOS5=y
 CONFIG_I2C_S3C2410=y
 CONFIG_DEBUG_GPIO=y
 # CONFIG_HWMON is not set
diff --git a/arch/arm/include/asm/trusted_foundations.h b/arch/arm/include/asm/trusted_foundations.h
index b5f7705abcb0..624e1d436c6c 100644
--- a/arch/arm/include/asm/trusted_foundations.h
+++ b/arch/arm/include/asm/trusted_foundations.h
@@ -54,7 +54,9 @@ static inline void register_trusted_foundations(
          */
         pr_err("No support for Trusted Foundations, continuing in degraded mode.\n");
         pr_err("Secondary processors as well as CPU PM will be disabled.\n");
+#if IS_ENABLED(CONFIG_SMP)
         setup_max_cpus = 0;
+#endif
         cpu_idle_poll_ctrl(true);
 }
 
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 12c3a5decc60..75d95799b6e6 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -171,8 +171,9 @@ extern int __put_user_8(void *, unsigned long long);
 #define __put_user_check(x,p)                                                   \
         ({                                                              \
                 unsigned long __limit = current_thread_info()->addr_limit - 1; \
+                const typeof(*(p)) __user *__tmp_p = (p);               \
                 register const typeof(*(p)) __r2 asm("r2") = (x);       \
-                register const typeof(*(p)) __user *__p asm("r0") = (p);\
+                register const typeof(*(p)) __user *__p asm("r0") = __tmp_p; \
                 register unsigned long __l asm("r1") = __limit;         \
                 register int __e asm("r0");                             \
                 switch (sizeof(*(__p))) {                               \
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 1420725142ca..efb208de75ec 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -132,6 +132,10 @@
         orrne   r5, V7M_xPSR_FRAMEPTRALIGN
         biceq   r5, V7M_xPSR_FRAMEPTRALIGN
 
+        @ ensure bit 0 is cleared in the PC, otherwise behaviour is
+        @ unpredictable
+        bic     r4, #1
+
         @ write basic exception frame
         stmdb   r2!, {r1, r3-r5}
         ldmia   sp, {r1, r3-r5}
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 3c217694ebec..cb791ac6a003 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -285,7 +285,7 @@ static int unwind_exec_pop_r4_to_rN(struct unwind_ctrl_block *ctrl,
                 if (unwind_pop_register(ctrl, &vsp, reg))
                                 return -URC_FAILURE;
 
-        if (insn & 0x80)
+        if (insn & 0x8)
                 if (unwind_pop_register(ctrl, &vsp, 14))
                                 return -URC_FAILURE;
 
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index a0282928e9c1..7cd6f19945ed 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -1308,19 +1308,19 @@ static struct platform_device at91_adc_device = {
 static struct at91_adc_trigger at91_adc_triggers[] = {
         [0] = {
                 .name = "timer-counter-0",
-                .value = AT91_ADC_TRGSEL_TC0 | AT91_ADC_TRGEN,
+                .value = 0x1,
         },
         [1] = {
                 .name = "timer-counter-1",
-                .value = AT91_ADC_TRGSEL_TC1 | AT91_ADC_TRGEN,
+                .value = 0x3,
         },
         [2] = {
                 .name = "timer-counter-2",
-                .value = AT91_ADC_TRGSEL_TC2 | AT91_ADC_TRGEN,
+                .value = 0x5,
         },
         [3] = {
                 .name = "external",
-                .value = AT91_ADC_TRGSEL_EXTERNAL | AT91_ADC_TRGEN,
+                .value = 0xd,
                 .is_external = true,
         },
 };
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index 932129ef26c6..aa01c4222b40 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -18,6 +18,8 @@
 
 #include <mach/map.h>
 
+#include <plat/cpu.h>
+
 #include "smc.h"
 
 static int exynos_do_idle(void)
@@ -28,13 +30,24 @@ static int exynos_do_idle(void)
 
 static int exynos_cpu_boot(int cpu)
 {
+        /*
+         * The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
+         * But, Exynos4212 has only one secondary CPU so second parameter
+         * isn't used for informing secure firmware about CPU id.
+         */
+        if (soc_is_exynos4212())
+                cpu = 0;
+
         exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0);
         return 0;
 }
 
 static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
 {
-        void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c + 4*cpu;
+        void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c;
+
+        if (!soc_is_exynos4212())
+                boot_reg += 4*cpu;
 
         __raw_writel(boot_addr, boot_reg);
         return 0;
diff --git a/arch/arm/mach-imx/devices/platform-ipu-core.c b/arch/arm/mach-imx/devices/platform-ipu-core.c
index fc4dd7cedc11..6bd7c3f37ac0 100644
--- a/arch/arm/mach-imx/devices/platform-ipu-core.c
+++ b/arch/arm/mach-imx/devices/platform-ipu-core.c
@@ -77,7 +77,7 @@ struct platform_device *__init imx_alloc_mx3_camera(
 
         pdev = platform_device_alloc("mx3-camera", 0);
         if (!pdev)
-                goto err;
+                return ERR_PTR(-ENOMEM);
 
         pdev->dev.dma_mask = kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
         if (!pdev->dev.dma_mask)
diff --git a/arch/arm/mach-mvebu/mvebu-soc-id.c b/arch/arm/mach-mvebu/mvebu-soc-id.c
index f3d4cf53f746..09520e19b78e 100644
--- a/arch/arm/mach-mvebu/mvebu-soc-id.c
+++ b/arch/arm/mach-mvebu/mvebu-soc-id.c
@@ -108,7 +108,18 @@ static int __init mvebu_soc_id_init(void)
         iounmap(pci_base);
 
 res_ioremap:
-        clk_disable_unprepare(clk);
+        /*
+         * If the PCIe unit is actually enabled and we have PCI
+         * support in the kernel, we intentionally do not release the
+         * reference to the clock. We want to keep it running since
+         * the bootloader does some PCIe link configuration that the
+         * kernel is for now unable to do, and gating the clock would
+         * make us loose this precious configuration.
+         */
+        if (!of_device_is_available(child) || !IS_ENABLED(CONFIG_PCI_MVEBU)) {
+                clk_disable_unprepare(clk);
+                clk_put(clk);
+        }
 
 clk_err:
         of_node_put(child);
diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c
index ac82512b9c8c..b6885e42c0a0 100644
--- a/arch/arm/mach-omap2/board-flash.c
+++ b/arch/arm/mach-omap2/board-flash.c
@@ -142,7 +142,7 @@ __init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs,
         board_nand_data.nr_parts        = nr_parts;
         board_nand_data.devsize         = nand_type;
 
-        board_nand_data.ecc_opt = OMAP_ECC_BCH8_CODE_HW;
+        board_nand_data.ecc_opt = OMAP_ECC_HAM1_CODE_HW;
         gpmc_nand_init(&board_nand_data, gpmc_t);
 }
 #endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */
diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c
index 8f5121b89688..eb8c75ec3b1a 100644
--- a/arch/arm/mach-omap2/cclock3xxx_data.c
+++ b/arch/arm/mach-omap2/cclock3xxx_data.c
@@ -456,7 +456,8 @@ static struct clk_hw_omap dpll4_m5x2_ck_hw = {
         .clkdm_name     = "dpll4_clkdm",
 };
 
-DEFINE_STRUCT_CLK(dpll4_m5x2_ck, dpll4_m5x2_ck_parent_names, dpll4_m5x2_ck_ops);
+DEFINE_STRUCT_CLK_FLAGS(dpll4_m5x2_ck, dpll4_m5x2_ck_parent_names,
+                        dpll4_m5x2_ck_ops, CLK_SET_RATE_PARENT);
 
 static struct clk dpll4_m5x2_ck_3630 = {
         .name           = "dpll4_m5x2_ck",
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index 01fc710c8181..2498ab025fa2 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -14,6 +14,7 @@
 #include <linux/cpuidle.h>
 #include <linux/cpu_pm.h>
 #include <linux/export.h>
+#include <linux/clockchips.h>
 
 #include <asm/cpuidle.h>
 #include <asm/proc-fns.h>
@@ -83,6 +84,7 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
 {
         struct idle_statedata *cx = state_ptr + index;
         u32 mpuss_can_lose_context = 0;
+        int cpu_id = smp_processor_id();
 
         /*
          * CPU0 has to wait and stay ON until CPU1 is OFF state.
@@ -110,6 +112,8 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
         mpuss_can_lose_context = (cx->mpu_state == PWRDM_POWER_RET) &&
                                  (cx->mpu_logic_state == PWRDM_POWER_OFF);
 
+        clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id);
+
         /*
          * Call idle CPU PM enter notifier chain so that
          * VFP and per CPU interrupt context is saved.
@@ -165,6 +169,8 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
         if (dev->cpu == 0 && mpuss_can_lose_context)
                 cpu_cluster_pm_exit();
 
+        clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id);
+
 fail:
         cpuidle_coupled_parallel_barrier(dev, &abort_barrier);
         cpu_done[dev->cpu] = false;
@@ -172,6 +178,16 @@ fail:
         return index;
 }
 
+/*
+ * For each cpu, setup the broadcast timer because local timers
+ * stops for the states above C1.
+ */
+static void omap_setup_broadcast_timer(void *arg)
+{
+        int cpu = smp_processor_id();
+        clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu);
+}
+
 static struct cpuidle_driver omap4_idle_driver = {
         .name                           = "omap4_idle",
         .owner                          = THIS_MODULE,
@@ -189,8 +205,7 @@ static struct cpuidle_driver omap4_idle_driver = {
                         /* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */
                         .exit_latency = 328 + 440,
                         .target_residency = 960,
-                        .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
-                                 CPUIDLE_FLAG_TIMER_STOP,
+                        .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
                         .enter = omap_enter_idle_coupled,
                         .name = "C2",
                         .desc = "CPUx OFF, MPUSS CSWR",
@@ -199,8 +214,7 @@ static struct cpuidle_driver omap4_idle_driver = {
                         /* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */
                         .exit_latency = 460 + 518,
                         .target_residency = 1100,
-                        .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
-                                 CPUIDLE_FLAG_TIMER_STOP,
+                        .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
                         .enter = omap_enter_idle_coupled,
                         .name = "C3",
                         .desc = "CPUx OFF, MPUSS OSWR",
@@ -231,5 +245,8 @@ int __init omap4_idle_init(void)
         if (!cpu_clkdm[0] || !cpu_clkdm[1])
                 return -ENODEV;
 
+        /* Configure the broadcast timer on each cpu */
+        on_each_cpu(omap_setup_broadcast_timer, NULL, 1);
+
         return cpuidle_register(&omap4_idle_driver, cpu_online_mask);
 }
diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
index 892317294fdc..e829664e6a6c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
@@ -895,7 +895,7 @@ static struct omap_hwmod omap54xx_mcpdm_hwmod = {
          * current exception.
          */
 
-        .flags          = HWMOD_EXT_OPT_MAIN_CLK,
+        .flags          = HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE,
         .main_clk       = "pad_clks_ck",
         .prcm = {
                 .omap4 = {
diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S
index 0c93588fcb91..1ca37c72f12f 100644
--- a/arch/arm/mm/proc-v7m.S
+++ b/arch/arm/mm/proc-v7m.S
@@ -123,6 +123,11 @@ __v7m_setup:
         mov     pc, lr
 ENDPROC(__v7m_setup)
 
+        .align 2
+__v7m_setup_stack:
+        .space  4 * 8                           @ 8 registers
+__v7m_setup_stack_top:
+
         define_processor_functions v7m, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1
 
         .section ".rodata"
@@ -152,6 +157,3 @@ __v7m_proc_info:
         .long   nop_cache_fns           @ proc_info_list.cache
         .size   __v7m_proc_info, . - __v7m_proc_info
 
-__v7m_setup_stack:
-        .space  4 * 8                           @ 8 registers
-__v7m_setup_stack_top:
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 5f5b975887fc..b5608b1f9fbd 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -70,6 +70,7 @@ static u32 errata;
 
 static struct omap_dma_global_context_registers {
         u32 dma_irqenable_l0;
+        u32 dma_irqenable_l1;
         u32 dma_ocp_sysconfig;
         u32 dma_gcr;
 } omap_dma_global_context;
@@ -1973,10 +1974,17 @@ static struct irqaction omap24xx_dma_irq;
 
 /*----------------------------------------------------------------------------*/
 
+/*
+ * Note that we are currently using only IRQENABLE_L0 and L1.
+ * As the DSP may be using IRQENABLE_L2 and L3, let's not
+ * touch those for now.
+ */
 void omap_dma_global_context_save(void)
 {
         omap_dma_global_context.dma_irqenable_l0 =
                 p->dma_read(IRQENABLE_L0, 0);
+        omap_dma_global_context.dma_irqenable_l1 =
+                p->dma_read(IRQENABLE_L1, 0);
         omap_dma_global_context.dma_ocp_sysconfig =
                 p->dma_read(OCP_SYSCONFIG, 0);
         omap_dma_global_context.dma_gcr = p->dma_read(GCR, 0);
@@ -1991,6 +1999,8 @@ void omap_dma_global_context_restore(void)
                 OCP_SYSCONFIG, 0);
         p->dma_write(omap_dma_global_context.dma_irqenable_l0,
                 IRQENABLE_L0, 0);
+        p->dma_write(omap_dma_global_context.dma_irqenable_l1,
+                IRQENABLE_L1, 0);
 
         if (IS_DMA_ERRATA(DMA_ROMCODE_BUG))
                 p->dma_write(0x3 , IRQSTATUS_L0, 0);
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 90c811f05a2e..7b1c67a0b485 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -266,7 +266,7 @@ static inline pmd_t pte_pmd(pte_t pte)
 
 #define pmd_page(pmd)           pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK))
 
-#define set_pmd_at(mm, addr, pmdp, pmd) set_pmd(pmdp, pmd)
+#define set_pmd_at(mm, addr, pmdp, pmd) set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd))
 
 static inline int has_transparent_hugepage(void)
 {
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index ae763d8bf55a..fb13dc5e8f8c 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
 
 
 
-#define NR_syscalls                     314 /* length of syscall table */
+#define NR_syscalls                     315 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 715e85f858de..7de0a2d65da4 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -327,5 +327,6 @@
 #define __NR_finit_module               1335
 #define __NR_sched_setattr              1336
 #define __NR_sched_getattr              1337
+#define __NR_renameat2                  1338
 
 #endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index fa8d61a312a7..ba3d03503e84 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1775,6 +1775,7 @@ sys_call_table:
         data8 sys_finit_module                  // 1335
         data8 sys_sched_setattr
         data8 sys_sched_getattr
+        data8 sys_renameat2
 
         .org sys_call_table + 8*NR_syscalls     // guard against failures to increase NR_syscalls
 #endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 9d38b73989eb..33afa56ad47a 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define NR_syscalls             351
+#define NR_syscalls             352
 
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index b932dd470041..9cd82fbc7817 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -356,5 +356,6 @@
 #define __NR_finit_module       348
 #define __NR_sched_setattr      349
 #define __NR_sched_getattr      350
+#define __NR_renameat2          351
 
 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index b6223dc41d82..501e10212789 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -371,4 +371,5 @@ ENTRY(sys_call_table)
         .long sys_finit_module
         .long sys_sched_setattr
         .long sys_sched_getattr         /* 350 */
+        .long sys_renameat2
 
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 4852ae97e7df..a8521de14791 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -120,7 +120,7 @@ cflags-$(CONFIG_SB1XXX_CORELIS)	+= $(call cc-option,-mno-sched-prolog) \
                                    -fno-omit-frame-pointer
 
 ifeq ($(CONFIG_CPU_HAS_MSA),y)
-toolchain-msa                   := $(call cc-option-yn,-mhard-float -mfp64 -mmsa)
+toolchain-msa   := $(call cc-option-yn,-mhard-float -mfp64 -Wa$(comma)-mmsa)
 cflags-$(toolchain-msa)         += -DTOOLCHAIN_SUPPORTS_MSA
 endif
 
@@ -151,7 +151,7 @@ cflags-$(CONFIG_CPU_NEVADA)	+= $(call cc-option,-march=rm5200,-march=r5000) \
                         -Wa,--trap
 cflags-$(CONFIG_CPU_RM7000)     += $(call cc-option,-march=rm7000,-march=r5000) \
                         -Wa,--trap
-cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-march=sb1,-march=r5000) \
+cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-march=sb1 -mno-mdmx -mno-mips3d,-march=r5000) \
                         -Wa,--trap
 cflags-$(CONFIG_CPU_R8000)      += -march=r8000 -Wa,--trap
 cflags-$(CONFIG_CPU_R10000)     += $(call cc-option,-march=r10000,-march=r8000) \
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index 7ba0e07a9091..47d5967ce7ef 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -39,14 +39,14 @@ struct cache_desc {
 #define MIPS_CACHE_PINDEX       0x00000020      /* Physically indexed cache */
 
 struct cpuinfo_mips {
-        unsigned int            udelay_val;
-        unsigned int            asid_cache;
+        unsigned long           asid_cache;
 
         /*
          * Capability and feature descriptor structure for MIPS CPU
          */
         unsigned long           options;
         unsigned long           ases;
+        unsigned int            udelay_val;
         unsigned int            processor_id;
         unsigned int            fpu_id;
         unsigned int            msa_id;
diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
index 52450a040f44..538f6d482db8 100644
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@@ -84,7 +84,7 @@ static inline void write_msa_##name(unsigned int val)		\
         __asm__ __volatile__(                                   \
         "       .set    push\n"                                 \
         "       .set    msa\n"                                  \
-        "       cfcmsa  $" #cs ", %0\n"                         \
+        "       ctcmsa  $" #cs ", %0\n"                         \
         "       .set    pop\n"                                  \
         : : "r"(val));                                          \
 }
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h
index 2692abb28e36..5805414777e0 100644
--- a/arch/mips/include/uapi/asm/unistd.h
+++ b/arch/mips/include/uapi/asm/unistd.h
@@ -381,7 +381,7 @@
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux                  4000
-#define __NR_O32_Linux_syscalls         350
+#define __NR_O32_Linux_syscalls         351
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -710,7 +710,7 @@
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux                   5000
-#define __NR_64_Linux_syscalls          310
+#define __NR_64_Linux_syscalls          311
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -1043,6 +1043,6 @@
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux                  6000
-#define __NR_N32_Linux_syscalls         314
+#define __NR_N32_Linux_syscalls         315
 
 #endif /* _UAPI_ASM_UNISTD_H */
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index e198d9bf17bb..7b2df224f041 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -513,7 +513,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
                 if (regs->regs[insn.i_format.rs] ==
                     regs->regs[insn.i_format.rt]) {
                         epc = epc + 4 + (insn.i_format.simmediate << 2);
-                        if (insn.i_format.rt == beql_op)
+                        if (insn.i_format.opcode == beql_op)
                                 ret = BRANCH_LIKELY_TAKEN;
                 } else
                         epc += 8;
@@ -525,7 +525,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
                 if (regs->regs[insn.i_format.rs] !=
                     regs->regs[insn.i_format.rt]) {
                         epc = epc + 4 + (insn.i_format.simmediate << 2);
-                        if (insn.i_format.rt == bnel_op)
+                        if (insn.i_format.opcode == bnel_op)
                                 ret = BRANCH_LIKELY_TAKEN;
                 } else
                         epc += 8;
@@ -537,7 +537,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
                 /* rt field assumed to be zero */
                 if ((long)regs->regs[insn.i_format.rs] <= 0) {
                         epc = epc + 4 + (insn.i_format.simmediate << 2);
-                        if (insn.i_format.rt == bnel_op)
+                        if (insn.i_format.opcode == blezl_op)
                                 ret = BRANCH_LIKELY_TAKEN;
                 } else
                         epc += 8;
@@ -549,7 +549,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
                 /* rt field assumed to be zero */
                 if ((long)regs->regs[insn.i_format.rs] > 0) {
                         epc = epc + 4 + (insn.i_format.simmediate << 2);
-                        if (insn.i_format.rt == bnel_op)
+                        if (insn.i_format.opcode == bgtzl_op)
                                 ret = BRANCH_LIKELY_TAKEN;
                 } else
                         epc += 8;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 71f85f427034..f639ccd5060c 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -163,7 +163,7 @@ int ptrace_get_watch_regs(struct task_struct *child,
         enum pt_watch_style style;
         int i;
 
-        if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0)
+        if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0)
                 return -EIO;
         if (!access_ok(VERIFY_WRITE, addr, sizeof(struct pt_watch_regs)))
                 return -EIO;
@@ -177,14 +177,14 @@ int ptrace_get_watch_regs(struct task_struct *child,
 #endif
 
         __put_user(style, &addr->style);
-        __put_user(current_cpu_data.watch_reg_use_cnt,
+        __put_user(boot_cpu_data.watch_reg_use_cnt,
                    &addr->WATCH_STYLE.num_valid);
-        for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) {
+        for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
                 __put_user(child->thread.watch.mips3264.watchlo[i],
                            &addr->WATCH_STYLE.watchlo[i]);
                 __put_user(child->thread.watch.mips3264.watchhi[i] & 0xfff,
                            &addr->WATCH_STYLE.watchhi[i]);
-                __put_user(current_cpu_data.watch_reg_masks[i],
+                __put_user(boot_cpu_data.watch_reg_masks[i],
                            &addr->WATCH_STYLE.watch_masks[i]);
         }
         for (; i < 8; i++) {
@@ -204,12 +204,12 @@ int ptrace_set_watch_regs(struct task_struct *child,
         unsigned long lt[NUM_WATCH_REGS];
         u16 ht[NUM_WATCH_REGS];
 
-        if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0)
+        if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0)
                 return -EIO;
         if (!access_ok(VERIFY_READ, addr, sizeof(struct pt_watch_regs)))
                 return -EIO;
         /* Check the values. */
-        for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) {
+        for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
                 __get_user(lt[i], &addr->WATCH_STYLE.watchlo[i]);
 #ifdef CONFIG_32BIT
                 if (lt[i] & __UA_LIMIT)
@@ -228,7 +228,7 @@ int ptrace_set_watch_regs(struct task_struct *child,
                         return -EINVAL;
         }
         /* Install them. */
-        for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) {
+        for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
                 if (lt[i] & 7)
                         watch_active = 1;
                 child->thread.watch.mips3264.watchlo[i] = lt[i];
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 1fd1a0c4f104..51706d6dd5b0 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -704,10 +704,12 @@ int process_fpemu_return(int sig, void __user *fault_addr)
                 si.si_addr = fault_addr;
                 si.si_signo = sig;
                 if (sig == SIGSEGV) {
+                        down_read(&current->mm->mmap_sem);
                         if (find_vma(current->mm, (unsigned long)fault_addr))
                                 si.si_code = SEGV_ACCERR;
                         else
                                 si.si_code = SEGV_MAPERR;
+                        up_read(&current->mm->mmap_sem);
                 } else {
                         si.si_code = BUS_ADRERR;
                 }
@@ -1537,7 +1539,7 @@ asmlinkage void cache_parity_error(void)
                reg_val & (1<<30) ? "secondary" : "primary",
                reg_val & (1<<31) ? "data" : "insn");
         if (cpu_has_mips_r2 &&
-            ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) {
+            ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
                 pr_err("Error bits: %s%s%s%s%s%s%s%s\n",
                         reg_val & (1<<29) ? "ED " : "",
                         reg_val & (1<<28) ? "ET " : "",
@@ -1577,7 +1579,7 @@ asmlinkage void do_ftlb(void)
 
         /* For the moment, report the problem and hang. */
         if (cpu_has_mips_r2 &&
-            ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) {
+            ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
                 pr_err("FTLB error exception, cp0_ecc=0x%08x:\n",
                        read_c0_ecc());
                 pr_err("cp0_errorepc == %0*lx\n", field, read_c0_errorepc());
diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c
index c639b9db0012..12c75db23420 100644
--- a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c
+++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c
@@ -27,8 +27,7 @@
 
 #include <cs5536/cs5536_mfgpt.h>
 
-DEFINE_SPINLOCK(mfgpt_lock);
-EXPORT_SYMBOL(mfgpt_lock);
+static DEFINE_RAW_SPINLOCK(mfgpt_lock);
 
 static u32 mfgpt_base;
 
@@ -55,7 +54,7 @@ EXPORT_SYMBOL(enable_mfgpt0_counter);
 static void init_mfgpt_timer(enum clock_event_mode mode,
                              struct clock_event_device *evt)
 {
-        spin_lock(&mfgpt_lock);
+        raw_spin_lock(&mfgpt_lock);
 
         switch (mode) {
         case CLOCK_EVT_MODE_PERIODIC:
@@ -79,7 +78,7 @@ static void init_mfgpt_timer(enum clock_event_mode mode,
                 /* Nothing to do here */
                 break;
         }
-        spin_unlock(&mfgpt_lock);
+        raw_spin_unlock(&mfgpt_lock);
 }
 
 static struct clock_event_device mfgpt_clockevent = {
@@ -157,7 +156,7 @@ static cycle_t mfgpt_read(struct clocksource *cs)
         static int old_count;
         static u32 old_jifs;
 
-        spin_lock_irqsave(&mfgpt_lock, flags);
+        raw_spin_lock_irqsave(&mfgpt_lock, flags);
         /*
          * Although our caller may have the read side of xtime_lock,
          * this is now a seqlock, and we are cheating in this routine
@@ -191,7 +190,7 @@ static cycle_t mfgpt_read(struct clocksource *cs)
         old_count = count;
         old_jifs = jifs;
 
-        spin_unlock_irqrestore(&mfgpt_lock, flags);
+        raw_spin_unlock_irqrestore(&mfgpt_lock, flags);
 
         return (cycle_t) (jifs * COMPARE) + count;
 }
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
index f41a5c5b0865..05b1d7cf9514 100644
--- a/arch/mips/mm/c-octeon.c
+++ b/arch/mips/mm/c-octeon.c
@@ -137,8 +137,10 @@ static void octeon_flush_cache_sigtramp(unsigned long addr)
 {
         struct vm_area_struct *vma;
 
+        down_read(&current->mm->mmap_sem);
         vma = find_vma(current->mm, addr);
         octeon_flush_icache_all_cores(vma);
+        up_read(&current->mm->mmap_sem);
 }
 
 
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
index 58033c44690d..b611102e23b5 100644
--- a/arch/mips/mm/page.c
+++ b/arch/mips/mm/page.c
@@ -273,7 +273,7 @@ void build_clear_page(void)
                 uasm_i_ori(&buf, A2, A0, off);
 
         if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
-                uasm_i_lui(&buf, AT, 0xa000);
+                uasm_i_lui(&buf, AT, uasm_rel_hi(0xa0000000));
 
         off = cache_line_size ? min(8, pref_bias_clear_store / cache_line_size)
                                 * cache_line_size : 0;
@@ -424,7 +424,7 @@ void build_copy_page(void)
                 uasm_i_ori(&buf, A2, A0, off);
 
         if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
-                uasm_i_lui(&buf, AT, 0xa000);
+                uasm_i_lui(&buf, AT, uasm_rel_hi(0xa0000000));
 
         off = cache_line_size ? min(8, pref_bias_copy_load / cache_line_size) *
                                 cache_line_size : 0;
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index 1ca34887d990..6d9773096750 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -27,7 +27,7 @@ unsigned long physical_memsize = 0L;
 fw_memblock_t * __init fw_getmdesc(int eva)
 {
         char *memsize_str, *ememsize_str = NULL, *ptr;
-        unsigned long memsize, ememsize = 0;
+        unsigned long memsize = 0, ememsize = 0;
         static char cmdline[COMMAND_LINE_SIZE] __initdata;
         int tmp;
 
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index b128cb973ebe..7f6ce6d734c0 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -53,7 +53,6 @@ static struct resource rc32434_res_pci_mem1 = {
         .start = 0x50000000,
         .end = 0x5FFFFFFF,
         .flags = IORESOURCE_MEM,
-        .parent = &rc32434_res_pci_mem1,
         .sibling = NULL,
         .child = &rc32434_res_pci_mem2
 };
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index 265ae5190b0a..47e0e21d2272 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -829,8 +829,9 @@
 #define __NR_sched_setattr      (__NR_Linux + 334)
 #define __NR_sched_getattr      (__NR_Linux + 335)
 #define __NR_utimes             (__NR_Linux + 336)
+#define __NR_renameat2          (__NR_Linux + 337)
 
-#define __NR_Linux_syscalls     (__NR_utimes + 1)
+#define __NR_Linux_syscalls     (__NR_renameat2 + 1)
 
 
 #define __IGNORE_select         /* newselect */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 83ead0ea127d..c5fa7a697fba 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -432,6 +432,7 @@
         ENTRY_SAME(sched_setattr)
         ENTRY_SAME(sched_getattr)       /* 335 */
         ENTRY_COMP(utimes)
+        ENTRY_SAME(renameat2)
 
         /* Nothing yet */
 
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 4c0cedf4e2c7..ce4c68a4a823 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -150,7 +150,9 @@ endif
 
 CFLAGS-$(CONFIG_TUNE_CELL) += $(call cc-option,-mtune=cell)
 
-KBUILD_CPPFLAGS += -Iarch/$(ARCH)
+asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1)
+
+KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr)
 KBUILD_AFLAGS   += -Iarch/$(ARCH)
 KBUILD_CFLAGS   += -msoft-float -pipe -Iarch/$(ARCH) $(CFLAGS-y)
 CPP             = $(CC) -E $(KBUILD_CFLAGS)
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 6586a40a46ce..cded7c1278ef 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -318,11 +318,16 @@ n:
         addi    reg,reg,(name - 0b)@l;
 
 #ifdef __powerpc64__
+#ifdef HAVE_AS_ATHIGH
+#define __AS_ATHIGH high
+#else
+#define __AS_ATHIGH h
+#endif
 #define LOAD_REG_IMMEDIATE(reg,expr)            \
         lis     reg,(expr)@highest;             \
         ori     reg,reg,(expr)@higher;  \
         rldicr  reg,reg,32,31;          \
-        oris    reg,reg,(expr)@h;               \
+        oris    reg,reg,(expr)@__AS_ATHIGH;     \
         ori     reg,reg,(expr)@l;
 
 #define LOAD_REG_ADDR(reg,name)                 \
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index d0e784e0ff48..521790330672 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -39,6 +39,17 @@ static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
                 (unsigned long)_stext < end;
 }
 
+static inline int overlaps_kvm_tmp(unsigned long start, unsigned long end)
+{
+#ifdef CONFIG_KVM_GUEST
+        extern char kvm_tmp[];
+        return start < (unsigned long)kvm_tmp &&
+                (unsigned long)&kvm_tmp[1024 * 1024] < end;
+#else
+        return 0;
+#endif
+}
+
 #undef dereference_function_descriptor
 static inline void *dereference_function_descriptor(void *ptr)
 {
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 3ddf70276706..ea4dc3a89c1f 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -361,3 +361,4 @@ SYSCALL(finit_module)
 SYSCALL(ni_syscall) /* sys_kcmp */
 SYSCALL_SPU(sched_setattr)
 SYSCALL_SPU(sched_getattr)
+SYSCALL_SPU(renameat2)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 4494f029b632..9b892bbd9d84 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define __NR_syscalls           357
+#define __NR_syscalls           358
 
 #define __NR__exit __NR_exit
 #define NR_syscalls     __NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index 881bf2e2560d..2d526f7b48da 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -379,5 +379,6 @@
 #define __NR_kcmp               354
 #define __NR_sched_setattr      355
 #define __NR_sched_getattr      356
+#define __NR_renameat2          357
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 6a0175297b0d..dd8695f6cb6d 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -74,7 +74,7 @@
 #define KVM_INST_MTSRIN         0x7c0001e4
 
 static bool kvm_patching_worked = true;
-static char kvm_tmp[1024 * 1024];
+char kvm_tmp[1024 * 1024];
 static int kvm_tmp_index;
 
 static inline void kvm_patch_ins(u32 *inst, u32 new_inst)
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index 59d229a2a3e0..879b3aacac32 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -237,7 +237,7 @@ static void wake_offline_cpus(void)
                 if (!cpu_online(cpu)) {
                         printk(KERN_INFO "kexec: Waking offline cpu %d.\n",
                                cpu);
-                        cpu_up(cpu);
+                        WARN_ON(cpu_up(cpu));
                 }
         }
 }
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 122a580f7322..7e711bdcc6da 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -813,9 +813,6 @@ static void __init clocksource_init(void)
 static int decrementer_set_next_event(unsigned long evt,
                                       struct clock_event_device *dev)
 {
-        /* Don't adjust the decrementer if some irq work is pending */
-        if (test_irq_work_pending())
-                return 0;
         __get_cpu_var(decrementers_next_tb) = get_tb_or_rtc() + evt;
         set_dec(evt);
 
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 94e597e6f15c..7af190a266b3 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -886,7 +886,7 @@ static int kvmppc_book3s_init(void)
         r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
         if (r)
                 return r;
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
         r = kvmppc_book3s_init_pr();
 #endif
         return r;
@@ -895,7 +895,7 @@ static int kvmppc_book3s_init(void)
 
 static void kvmppc_book3s_exit(void)
 {
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
         kvmppc_book3s_exit_pr();
 #endif
         kvm_exit();
@@ -905,7 +905,7 @@ module_init(kvmppc_book3s_init);
 module_exit(kvmppc_book3s_exit);
 
 /* On 32bit this is our one and only kernel module */
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
 MODULE_ALIAS_MISCDEV(KVM_MINOR);
 MODULE_ALIAS("devname:kvm");
 #endif
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index 1d6c56ad5b60..8fcc36306a02 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -234,7 +234,7 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
                 pte_size = psize;
                 pte = lookup_linux_pte_and_update(pgdir, hva, writing,
                                                   &pte_size);
-                if (pte_present(pte)) {
+                if (pte_present(pte) && !pte_numa(pte)) {
                         if (writing && !pte_write(pte))
                                 /* make the actual HPTE be read-only */
                                 ptel = hpte_make_readonly(ptel);
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index b031f932c0cc..07c8b5b0f9d2 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1323,6 +1323,110 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
         mr      r3, r9
         bl      kvmppc_save_fp
 
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+BEGIN_FTR_SECTION
+        b       2f
+END_FTR_SECTION_IFCLR(CPU_FTR_TM)
+        /* Turn on TM. */
+        mfmsr   r8
+        li      r0, 1
+        rldimi  r8, r0, MSR_TM_LG, 63-MSR_TM_LG
+        mtmsrd  r8
+
+        ld      r5, VCPU_MSR(r9)
+        rldicl. r5, r5, 64 - MSR_TS_S_LG, 62
+        beq     1f      /* TM not active in guest. */
+
+        li      r3, TM_CAUSE_KVM_RESCHED
+
+        /* Clear the MSR RI since r1, r13 are all going to be foobar. */
+        li      r5, 0
+        mtmsrd  r5, 1
+
+        /* All GPRs are volatile at this point. */
+        TRECLAIM(R3)
+
+        /* Temporarily store r13 and r9 so we have some regs to play with */
+        SET_SCRATCH0(r13)
+        GET_PACA(r13)
+        std     r9, PACATMSCRATCH(r13)
+        ld      r9, HSTATE_KVM_VCPU(r13)
+
+        /* Get a few more GPRs free. */
+        std     r29, VCPU_GPRS_TM(29)(r9)
+        std     r30, VCPU_GPRS_TM(30)(r9)
+        std     r31, VCPU_GPRS_TM(31)(r9)
+
+        /* Save away PPR and DSCR soon so don't run with user values. */
+        mfspr   r31, SPRN_PPR
+        HMT_MEDIUM
+        mfspr   r30, SPRN_DSCR
+        ld      r29, HSTATE_DSCR(r13)
+        mtspr   SPRN_DSCR, r29
+
+        /* Save all but r9, r13 & r29-r31 */
+        reg = 0
+        .rept   29
+        .if (reg != 9) && (reg != 13)
+        std     reg, VCPU_GPRS_TM(reg)(r9)
+        .endif
+        reg = reg + 1
+        .endr
+        /* ... now save r13 */
+        GET_SCRATCH0(r4)
+        std     r4, VCPU_GPRS_TM(13)(r9)
+        /* ... and save r9 */
+        ld      r4, PACATMSCRATCH(r13)
+        std     r4, VCPU_GPRS_TM(9)(r9)
+
+        /* Reload stack pointer and TOC. */
+        ld      r1, HSTATE_HOST_R1(r13)
+        ld      r2, PACATOC(r13)
+
+        /* Set MSR RI now we have r1 and r13 back. */
+        li      r5, MSR_RI
+        mtmsrd  r5, 1
+
+        /* Save away checkpinted SPRs. */
+        std     r31, VCPU_PPR_TM(r9)
+        std     r30, VCPU_DSCR_TM(r9)
+        mflr    r5
+        mfcr    r6
+        mfctr   r7
+        mfspr   r8, SPRN_AMR
+        mfspr   r10, SPRN_TAR
+        std     r5, VCPU_LR_TM(r9)
+        stw     r6, VCPU_CR_TM(r9)
+        std     r7, VCPU_CTR_TM(r9)
+        std     r8, VCPU_AMR_TM(r9)
+        std     r10, VCPU_TAR_TM(r9)
+
+        /* Restore r12 as trap number. */
+        lwz     r12, VCPU_TRAP(r9)
+
+        /* Save FP/VSX. */
+        addi    r3, r9, VCPU_FPRS_TM
+        bl      .store_fp_state
+        addi    r3, r9, VCPU_VRS_TM
+        bl      .store_vr_state
+        mfspr   r6, SPRN_VRSAVE
+        stw     r6, VCPU_VRSAVE_TM(r9)
+1:
+        /*
+         * We need to save these SPRs after the treclaim so that the software
+         * error code is recorded correctly in the TEXASR.  Also the user may
+         * change these outside of a transaction, so they must always be
+         * context switched.
+         */
+        mfspr   r5, SPRN_TFHAR
+        mfspr   r6, SPRN_TFIAR
+        mfspr   r7, SPRN_TEXASR
+        std     r5, VCPU_TFHAR(r9)
+        std     r6, VCPU_TFIAR(r9)
+        std     r7, VCPU_TEXASR(r9)
+2:
+#endif
+
         /* Increment yield count if they have a VPA */
         ld      r8, VCPU_VPA(r9)        /* do they have a VPA? */
         cmpdi   r8, 0
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index c5c052a9729c..02f1defd8bb9 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -1153,7 +1153,7 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm,
                 goto free_vcpu;
         vcpu->arch.book3s = vcpu_book3s;
 
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
         vcpu->arch.shadow_vcpu =
                 kzalloc(sizeof(*vcpu->arch.shadow_vcpu), GFP_KERNEL);
         if (!vcpu->arch.shadow_vcpu)
@@ -1198,7 +1198,7 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm,
 uninit_vcpu:
         kvm_vcpu_uninit(vcpu);
 free_shadow_vcpu:
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
         kfree(vcpu->arch.shadow_vcpu);
 free_vcpu3s:
 #endif
@@ -1215,7 +1215,7 @@ static void kvmppc_core_vcpu_free_pr(struct kvm_vcpu *vcpu)
 
         free_page((unsigned long)vcpu->arch.shared & PAGE_MASK);
         kvm_vcpu_uninit(vcpu);
-#ifdef CONFIG_KVM_BOOK3S_32
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
         kfree(vcpu->arch.shadow_vcpu);
 #endif
         vfree(vcpu_book3s);
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index d766d6ee33fe..06ba83b036d3 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -207,6 +207,10 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                 if (overlaps_kernel_text(vaddr, vaddr + step))
                         tprot &= ~HPTE_R_N;
 
+                /* Make kvm guest trampolines executable */
+                if (overlaps_kvm_tmp(vaddr, vaddr + step))
+                        tprot &= ~HPTE_R_N;
+
                 /*
                  * If relocatable, check if it overlaps interrupt vectors that
                  * are copied down to real 0. For relocatable kernel
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index 253fefe3d1a0..5b51079f3e3b 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -549,7 +549,8 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option)
                 ret = ioda_eeh_phb_reset(hose, option);
         } else {
                 bus = eeh_pe_bus_get(pe);
-                if (pci_is_root_bus(bus))
+                if (pci_is_root_bus(bus) ||
+                    pci_is_root_bus(bus->parent))
                         ret = ioda_eeh_root_reset(hose, option);
                 else
                         ret = ioda_eeh_bridge_reset(hose, bus->self, option);
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index cf3c0089bef2..23223cd63e54 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -820,6 +820,9 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, long func,
                 else
                         memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
                 spin_unlock(&ctrblk_lock);
+        } else {
+                if (!nbytes)
+                        memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
         }
         /*
          * final block may be < AES_BLOCK_SIZE, copy only nbytes
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index 0a5aac8a9412..7acb77f7ef1a 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -429,6 +429,9 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, long func,
                 else
                         memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
                 spin_unlock(&ctrblk_lock);
+        } else {
+                if (!nbytes)
+                        memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
         }
         /* final block may be < DES_BLOCK_SIZE, copy only nbytes */
         if (nbytes) {
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index b3ecb8f5b6ce..9ae6664ff08c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -158,6 +158,7 @@ int kvm_dev_ioctl_check_extension(long ext)
         case KVM_CAP_ONE_REG:
         case KVM_CAP_ENABLE_CAP:
         case KVM_CAP_S390_CSS_SUPPORT:
+        case KVM_CAP_IRQFD:
         case KVM_CAP_IOEVENTFD:
         case KVM_CAP_DEVICE_CTRL:
         case KVM_CAP_ENABLE_CAP_VM:
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 452d3ebd9d0f..e9f8fa9337fe 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -811,7 +811,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int bpfsize,
                 return NULL;
         memset(header, 0, sz);
         header->pages = sz / PAGE_SIZE;
-        hole = sz - (bpfsize + sizeof(*header));
+        hole = min(sz - (bpfsize + sizeof(*header)), PAGE_SIZE - sizeof(*header));
         /* Insert random number of illegal instructions before BPF code
          * and make sure the first instruction starts at an even address.
          */
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index fde5abaac0cc..1a49ffdf9da9 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -24,7 +24,8 @@
 
 /* The kernel image occupies 0x4000000 to 0x6000000 (4MB --> 96MB).
  * The page copy blockops can use 0x6000000 to 0x8000000.
- * The TSB is mapped in the 0x8000000 to 0xa000000 range.
+ * The 8K TSB is mapped in the 0x8000000 to 0x8400000 range.
+ * The 4M TSB is mapped in the 0x8400000 to 0x8800000 range.
  * The PROM resides in an area spanning 0xf0000000 to 0x100000000.
  * The vmalloc area spans 0x100000000 to 0x200000000.
  * Since modules need to be in the lowest 32-bits of the address space,
@@ -33,7 +34,8 @@
  * 0x400000000.
  */
 #define TLBTEMP_BASE            _AC(0x0000000006000000,UL)
-#define TSBMAP_BASE             _AC(0x0000000008000000,UL)
+#define TSBMAP_8K_BASE          _AC(0x0000000008000000,UL)
+#define TSBMAP_4M_BASE          _AC(0x0000000008400000,UL)
 #define MODULES_VADDR           _AC(0x0000000010000000,UL)
 #define MODULES_LEN             _AC(0x00000000e0000000,UL)
 #define MODULES_END             _AC(0x00000000f0000000,UL)
diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c
index a364000ca1aa..7f41d40b7e6e 100644
--- a/arch/sparc/kernel/sysfs.c
+++ b/arch/sparc/kernel/sysfs.c
@@ -151,7 +151,7 @@ static ssize_t store_mmustat_enable(struct device *s,
                         size_t count)
 {
         unsigned long val, err;
-        int ret = sscanf(buf, "%ld", &val);
+        int ret = sscanf(buf, "%lu", &val);
 
         if (ret != 1)
                 return -EINVAL;
diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S
index 2c20ad63ddbf..30eee6e8a81b 100644
--- a/arch/sparc/lib/NG2memcpy.S
+++ b/arch/sparc/lib/NG2memcpy.S
@@ -236,6 +236,7 @@ FUNC_NAME:	/* %o0=dst, %o1=src, %o2=len */
          */
         VISEntryHalf
 
+        membar          #Sync
         alignaddr       %o1, %g0, %g0
 
         add             %o1, (64 - 1), %o4
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index a8ff0d1a3b69..4ced3fc66130 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -281,18 +281,6 @@ static void noinline __kprobes bogus_32bit_fault_tpc(struct pt_regs *regs)
         show_regs(regs);
 }
 
-static void noinline __kprobes bogus_32bit_fault_address(struct pt_regs *regs,
-                                                         unsigned long addr)
-{
-        static int times;
-
-        if (times++ < 10)
-                printk(KERN_ERR "FAULT[%s:%d]: 32-bit process "
-                       "reports 64-bit fault address [%lx]\n",
-                       current->comm, current->pid, addr);
-        show_regs(regs);
-}
-
 asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
 {
         enum ctx_state prev_state = exception_enter();
@@ -322,10 +310,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
                                 goto intr_or_no_mm;
                         }
                 }
-                if (unlikely((address >> 32) != 0)) {
-                        bogus_32bit_fault_address(regs, address);
+                if (unlikely((address >> 32) != 0))
                         goto intr_or_no_mm;
-                }
         }
 
         if (regs->tstate & TSTATE_PRIV) {
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index f5d506fdddad..fe19b81acc09 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -133,7 +133,19 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign
         mm->context.tsb_block[tsb_idx].tsb_nentries =
                 tsb_bytes / sizeof(struct tsb);
 
-        base = TSBMAP_BASE;
+        switch (tsb_idx) {
+        case MM_TSB_BASE:
+                base = TSBMAP_8K_BASE;
+                break;
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
+        case MM_TSB_HUGE:
+                base = TSBMAP_4M_BASE;
+                break;
+#endif
+        default:
+                BUG();
+        }
+
         tte = pgprot_val(PAGE_KERNEL_LOCKED);
         tsb_paddr = __pa(mm->context.tsb_block[tsb_idx].tsb);
         BUG_ON(tsb_paddr & (tsb_bytes - 1UL));
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 8de6d9cf3b95..678205195ae1 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -1,7 +1,7 @@
 #ifndef _ASM_X86_PAGE_64_DEFS_H
 #define _ASM_X86_PAGE_64_DEFS_H
 
-#define THREAD_SIZE_ORDER       1
+#define THREAD_SIZE_ORDER       2
 #define THREAD_SIZE  (PAGE_SIZE << THREAD_SIZE_ORDER)
 #define CURRENT_MASK (~(THREAD_SIZE - 1))
 
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index aa333d966886..adb02aa62af5 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -169,7 +169,6 @@ static struct event_constraint intel_slm_event_constraints[] __read_mostly =
 {
         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
-        FIXED_EVENT_CONSTRAINT(0x013c, 2), /* CPU_CLK_UNHALTED.REF */
         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */
         EVENT_CONSTRAINT_END
 };
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 33e8c028842f..138ceffc6377 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7778,7 +7778,8 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
 
         exec_control = vmcs12->pin_based_vm_exec_control;
         exec_control |= vmcs_config.pin_based_exec_ctrl;
-        exec_control &= ~PIN_BASED_VMX_PREEMPTION_TIMER;
+        exec_control &= ~(PIN_BASED_VMX_PREEMPTION_TIMER |
+                          PIN_BASED_POSTED_INTR);
         vmcs_write32(PIN_BASED_VM_EXEC_CONTROL, exec_control);
 
         vmx->nested.preemption_timer_expired = false;
@@ -7815,7 +7816,9 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
                 if (!vmx->rdtscp_enabled)
                         exec_control &= ~SECONDARY_EXEC_RDTSCP;
                 /* Take the following fields only from vmcs12 */
-                exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
+                exec_control &= ~(SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
+                                  SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |
+                                  SECONDARY_EXEC_APIC_REGISTER_VIRT);
                 if (nested_cpu_has(vmcs12,
                                 CPU_BASED_ACTIVATE_SECONDARY_CONTROLS))
                         exec_control |= vmcs12->secondary_vm_exec_control;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b6c0bacca9bd..20316c67b824 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -106,6 +106,8 @@ EXPORT_SYMBOL_GPL(kvm_max_guest_tsc_khz);
 static u32 tsc_tolerance_ppm = 250;
 module_param(tsc_tolerance_ppm, uint, S_IRUGO | S_IWUSR);
 
+static bool backwards_tsc_observed = false;
+
 #define KVM_NR_SHARED_MSRS 16
 
 struct kvm_shared_msrs_global {
@@ -1486,7 +1488,8 @@ static void pvclock_update_vm_gtod_copy(struct kvm *kvm)
                                         &ka->master_kernel_ns,
                                         &ka->master_cycle_now);
 
-        ka->use_master_clock = host_tsc_clocksource & vcpus_matched;
+        ka->use_master_clock = host_tsc_clocksource && vcpus_matched
+                                && !backwards_tsc_observed;
 
         if (ka->use_master_clock)
                 atomic_set(&kvm_guest_has_master_clock, 1);
@@ -6945,6 +6948,7 @@ int kvm_arch_hardware_enable(void *garbage)
          */
         if (backwards_tsc) {
                 u64 delta_cyc = max_tsc - local_tsc;
+                backwards_tsc_observed = true;
                 list_for_each_entry(kvm, &vm_list, vm_list) {
                         kvm_for_each_vcpu(i, vcpu, kvm) {
                                 vcpu->arch.tsc_offset_adjustment += delta_cyc;
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index dc017735bb91..6d5663a599a7 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -171,7 +171,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int proglen,
         memset(header, 0xcc, sz); /* fill whole space with int3 instructions */
 
         header->pages = sz / PAGE_SIZE;
-        hole = sz - (proglen + sizeof(*header));
+        hole = min(sz - (proglen + sizeof(*header)), PAGE_SIZE - sizeof(*header));
 
         /* insert a random number of int3 instructions before BPF code */
         *image_ptr = &header->image[prandom_u32() % hole];
diff --git a/drivers/Makefile b/drivers/Makefile
index d05d81b19b50..7183b6af5dac 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -119,7 +119,7 @@ obj-$(CONFIG_SGI_SN)		+= sn/
 obj-y                           += firmware/
 obj-$(CONFIG_CRYPTO)            += crypto/
 obj-$(CONFIG_SUPERH)            += sh/
-obj-$(CONFIG_ARCH_SHMOBILE_LEGACY)      += sh/
+obj-$(CONFIG_ARCH_SHMOBILE)     += sh/
 ifndef CONFIG_ARCH_USES_GETTIMEOFFSET
 obj-y                           += clocksource/
 endif
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index ab686b310100..a34a22841002 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -47,6 +47,23 @@ config ACPI_SLEEP
         depends on SUSPEND || HIBERNATION
         default y
 
+config ACPI_PROCFS_POWER
+        bool "Deprecated power /proc/acpi directories"
+        depends on PROC_FS
+        help
+          For backwards compatibility, this option allows
+          deprecated power /proc/acpi/ directories to exist, even when
+          they have been replaced by functions in /sys.
+          The deprecated directories (and their replacements) include:
+          /proc/acpi/battery/* (/sys/class/power_supply/*)
+          /proc/acpi/ac_adapter/* (sys/class/power_supply/*)
+          This option has no effect on /proc/acpi/ directories
+          and functions, which do not yet exist in /sys
+          This option, together with the proc directories, will be
+          deleted in the future.
+
+          Say N to delete power /proc/acpi/ directories that have moved to /sys/
+
 config ACPI_EC_DEBUGFS
         tristate "EC read/write access through /sys/kernel/debug/ec"
         default n
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 0331f91d56e6..bce34afadcd0 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -47,6 +47,7 @@ acpi-y				+= sysfs.o
 acpi-$(CONFIG_X86)              += acpi_cmos_rtc.o
 acpi-$(CONFIG_DEBUG_FS)         += debugfs.o
 acpi-$(CONFIG_ACPI_NUMA)        += numa.o
+acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
 ifdef CONFIG_ACPI_VIDEO
 acpi-y                          += video_detect.o
 endif
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 2c01c1da29ce..c67f6f5ad611 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -52,11 +52,39 @@ MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION("ACPI AC Adapter Driver");
 MODULE_LICENSE("GPL");
 
+static int acpi_ac_add(struct acpi_device *device);
+static int acpi_ac_remove(struct acpi_device *device);
+static void acpi_ac_notify(struct acpi_device *device, u32 event);
+
+static const struct acpi_device_id ac_device_ids[] = {
+        {"ACPI0003", 0},
+        {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, ac_device_ids);
+
+#ifdef CONFIG_PM_SLEEP
+static int acpi_ac_resume(struct device *dev);
+#endif
+static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
+
 static int ac_sleep_before_get_state_ms;
 
+static struct acpi_driver acpi_ac_driver = {
+        .name = "ac",
+        .class = ACPI_AC_CLASS,
+        .ids = ac_device_ids,
+        .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
+        .ops = {
+                .add = acpi_ac_add,
+                .remove = acpi_ac_remove,
+                .notify = acpi_ac_notify,
+                },
+        .drv.pm = &acpi_ac_pm,
+};
+
 struct acpi_ac {
         struct power_supply charger;
-        struct platform_device *pdev;
+        struct acpi_device * device;
         unsigned long long state;
         struct notifier_block battery_nb;
 };
@@ -69,10 +97,12 @@ struct acpi_ac {
 
 static int acpi_ac_get_state(struct acpi_ac *ac)
 {
-        acpi_status status;
-        acpi_handle handle = ACPI_HANDLE(&ac->pdev->dev);
+        acpi_status status = AE_OK;
+
+        if (!ac)
+                return -EINVAL;
 
-        status = acpi_evaluate_integer(handle, "_PSR", NULL,
+        status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,
                                        &ac->state);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status,
@@ -117,10 +147,9 @@ static enum power_supply_property ac_props[] = {
                                    Driver Model
    -------------------------------------------------------------------------- */
 
-static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data)
+static void acpi_ac_notify(struct acpi_device *device, u32 event)
 {
-        struct acpi_ac *ac = data;
-        struct acpi_device *adev;
+        struct acpi_ac *ac = acpi_driver_data(device);
 
         if (!ac)
                 return;
@@ -143,11 +172,10 @@ static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data)
                         msleep(ac_sleep_before_get_state_ms);
 
                 acpi_ac_get_state(ac);
-                adev = ACPI_COMPANION(&ac->pdev->dev);
-                acpi_bus_generate_netlink_event(adev->pnp.device_class,
-                                                dev_name(&ac->pdev->dev),
-                                                event, (u32) ac->state);
-                acpi_notifier_call_chain(adev, event, (u32) ac->state);
+                acpi_bus_generate_netlink_event(device->pnp.device_class,
+                                                  dev_name(&device->dev), event,
+                                                  (u32) ac->state);
+                acpi_notifier_call_chain(device, event, (u32) ac->state);
                 kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
         }
 
@@ -192,49 +220,39 @@ static struct dmi_system_id ac_dmi_table[] = {
         {},
 };
 
-static int acpi_ac_probe(struct platform_device *pdev)
+static int acpi_ac_add(struct acpi_device *device)
 {
         int result = 0;
         struct acpi_ac *ac = NULL;
-        struct acpi_device *adev;
 
-        if (!pdev)
-                return -EINVAL;
 
-        adev = ACPI_COMPANION(&pdev->dev);
-        if (!adev)
-                return -ENODEV;
+        if (!device)
+                return -EINVAL;
 
         ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
         if (!ac)
                 return -ENOMEM;
 
-        strcpy(acpi_device_name(adev), ACPI_AC_DEVICE_NAME);
-        strcpy(acpi_device_class(adev), ACPI_AC_CLASS);
-        ac->pdev = pdev;
-        platform_set_drvdata(pdev, ac);
+        ac->device = device;
+        strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
+        strcpy(acpi_device_class(device), ACPI_AC_CLASS);
+        device->driver_data = ac;
 
         result = acpi_ac_get_state(ac);
         if (result)
                 goto end;
 
-        ac->charger.name = acpi_device_bid(adev);
+        ac->charger.name = acpi_device_bid(device);
         ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
         ac->charger.properties = ac_props;
         ac->charger.num_properties = ARRAY_SIZE(ac_props);
         ac->charger.get_property = get_ac_property;
-        result = power_supply_register(&pdev->dev, &ac->charger);
+        result = power_supply_register(&ac->device->dev, &ac->charger);
         if (result)
                 goto end;
 
-        result = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev),
-                        ACPI_ALL_NOTIFY, acpi_ac_notify_handler, ac);
-        if (result) {
-                power_supply_unregister(&ac->charger);
-                goto end;
-        }
         printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
-               acpi_device_name(adev), acpi_device_bid(adev),
+               acpi_device_name(device), acpi_device_bid(device),
                ac->state ? "on-line" : "off-line");
 
         ac->battery_nb.notifier_call = acpi_ac_battery_notify;
@@ -256,7 +274,7 @@ static int acpi_ac_resume(struct device *dev)
         if (!dev)
                 return -EINVAL;
 
-        ac = platform_get_drvdata(to_platform_device(dev));
+        ac = acpi_driver_data(to_acpi_device(dev));
         if (!ac)
                 return -EINVAL;
 
@@ -270,19 +288,17 @@ static int acpi_ac_resume(struct device *dev)
 #else
 #define acpi_ac_resume NULL
 #endif
-static SIMPLE_DEV_PM_OPS(acpi_ac_pm_ops, NULL, acpi_ac_resume);
 
-static int acpi_ac_remove(struct platform_device *pdev)
+static int acpi_ac_remove(struct acpi_device *device)
 {
-        struct acpi_ac *ac;
+        struct acpi_ac *ac = NULL;
+
 
-        if (!pdev)
+        if (!device || !acpi_driver_data(device))
                 return -EINVAL;
 
-        acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
-                        ACPI_ALL_NOTIFY, acpi_ac_notify_handler);
+        ac = acpi_driver_data(device);
 
-        ac = platform_get_drvdata(pdev);
         if (ac->charger.dev)
                 power_supply_unregister(&ac->charger);
         unregister_acpi_notifier(&ac->battery_nb);
@@ -292,23 +308,6 @@ static int acpi_ac_remove(struct platform_device *pdev)
         return 0;
 }
 
-static const struct acpi_device_id acpi_ac_match[] = {
-        { "ACPI0003", 0 },
-        { }
-};
-MODULE_DEVICE_TABLE(acpi, acpi_ac_match);
-
-static struct platform_driver acpi_ac_driver = {
-        .probe          = acpi_ac_probe,
-        .remove         = acpi_ac_remove,
-        .driver         = {
-                .name   = "acpi-ac",
-                .owner  = THIS_MODULE,
-                .pm     = &acpi_ac_pm_ops,
-                .acpi_match_table = ACPI_PTR(acpi_ac_match),
-        },
-};
-
 static int __init acpi_ac_init(void)
 {
         int result;
@@ -316,7 +315,7 @@ static int __init acpi_ac_init(void)
         if (acpi_disabled)
                 return -ENODEV;
 
-        result = platform_driver_register(&acpi_ac_driver);
+        result = acpi_bus_register_driver(&acpi_ac_driver);
         if (result < 0)
                 return -ENODEV;
 
@@ -325,7 +324,7 @@ static int __init acpi_ac_init(void)
 
 static void __exit acpi_ac_exit(void)
 {
-        platform_driver_unregister(&acpi_ac_driver);
+        acpi_bus_unregister_driver(&acpi_ac_driver);
 }
 module_init(acpi_ac_init);
 module_exit(acpi_ac_exit);
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index dbfe49e5fd63..1d4950388fa1 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -29,7 +29,6 @@ ACPI_MODULE_NAME("platform");
 static const struct acpi_device_id acpi_platform_device_ids[] = {
 
         { "PNP0D40" },
-        { "ACPI0003" },
         { "VPC2004" },
         { "BCM4752" },
 
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index b06f5f55ada9..52c81c49cc7d 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -405,7 +405,6 @@ static int acpi_processor_add(struct acpi_device *device,
                 goto err;
 
         pr->dev = dev;
-        dev->offline = pr->flags.need_hotplug_init;
 
         /* Trigger the processor driver's .probe() if present. */
         if (device_attach(dev) >= 0)
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 49bbc71fad54..a08a448068dd 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -141,9 +141,9 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
  * address. Although ACPICA adheres to the ACPI specification which
  * requires the use of the corresponding 64-bit address if it is non-zero,
  * some machines have been found to have a corrupted non-zero 64-bit
- * address. Default is FALSE, do not favor the 32-bit addresses.
+ * address. Default is TRUE, favor the 32-bit addresses.
  */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, TRUE);
 
 /*
  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index a4702eee91a8..9fb85f38de90 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -461,6 +461,7 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
         u32 table_count;
         struct acpi_table_header *table;
         acpi_physical_address address;
+        acpi_physical_address rsdt_address;
         u32 length;
         u8 *table_entry;
         acpi_status status;
@@ -488,11 +489,14 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
                  * as per the ACPI specification.
                  */
                 address = (acpi_physical_address) rsdp->xsdt_physical_address;
+                rsdt_address =
+                    (acpi_physical_address) rsdp->rsdt_physical_address;
                 table_entry_size = ACPI_XSDT_ENTRY_SIZE;
         } else {
                 /* Root table is an RSDT (32-bit physical addresses) */
 
                 address = (acpi_physical_address) rsdp->rsdt_physical_address;
+                rsdt_address = address;
                 table_entry_size = ACPI_RSDT_ENTRY_SIZE;
         }
 
@@ -515,8 +519,7 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 
                         /* Fall back to the RSDT */
 
-                        address =
-                            (acpi_physical_address) rsdp->rsdt_physical_address;
+                        address = rsdt_address;
                         table_entry_size = ACPI_RSDT_ENTRY_SIZE;
                 }
         }
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 9a2c63b20050..6e7b2a12860d 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -36,6 +36,12 @@
 #include <linux/suspend.h>
 #include <asm/unaligned.h>
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <asm/uaccess.h>
+#endif
+
 #include <linux/acpi.h>
 #include <linux/power_supply.h>
 
@@ -64,6 +70,19 @@ static unsigned int cache_time = 1000;
 module_param(cache_time, uint, 0644);
 MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+extern struct proc_dir_entry *acpi_lock_battery_dir(void);
+extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
+
+enum acpi_battery_files {
+        info_tag = 0,
+        state_tag,
+        alarm_tag,
+        ACPI_BATTERY_NUMFILES,
+};
+
+#endif
+
 static const struct acpi_device_id battery_device_ids[] = {
         {"PNP0C0A", 0},
         {"", 0},
@@ -299,6 +318,14 @@ static enum power_supply_property energy_battery_props[] = {
         POWER_SUPPLY_PROP_SERIAL_NUMBER,
 };
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+inline char *acpi_battery_units(struct acpi_battery *battery)
+{
+        return (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) ?
+                "mA" : "mW";
+}
+#endif
+
 /* --------------------------------------------------------------------------
                                Battery Management
    -------------------------------------------------------------------------- */
@@ -717,6 +744,279 @@ static void acpi_battery_refresh(struct acpi_battery *battery)
 }
 
 /* --------------------------------------------------------------------------
+                              FS Interface (/proc)
+   -------------------------------------------------------------------------- */
+
+#ifdef CONFIG_ACPI_PROCFS_POWER
+static struct proc_dir_entry *acpi_battery_dir;
+
+static int acpi_battery_print_info(struct seq_file *seq, int result)
+{
+        struct acpi_battery *battery = seq->private;
+
+        if (result)
+                goto end;
+
+        seq_printf(seq, "present:                 %s\n",
+                   acpi_battery_present(battery) ? "yes" : "no");
+        if (!acpi_battery_present(battery))
+                goto end;
+        if (battery->design_capacity == ACPI_BATTERY_VALUE_UNKNOWN)
+                seq_printf(seq, "design capacity:         unknown\n");
+        else
+                seq_printf(seq, "design capacity:         %d %sh\n",
+                           battery->design_capacity,
+                           acpi_battery_units(battery));
+
+        if (battery->full_charge_capacity == ACPI_BATTERY_VALUE_UNKNOWN)
+                seq_printf(seq, "last full capacity:      unknown\n");
+        else
+                seq_printf(seq, "last full capacity:      %d %sh\n",
+                           battery->full_charge_capacity,
+                           acpi_battery_units(battery));
+
+        seq_printf(seq, "battery technology:      %srechargeable\n",
+                   (!battery->technology)?"non-":"");
+
+        if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN)
+                seq_printf(seq, "design voltage:          unknown\n");
+        else
+                seq_printf(seq, "design voltage:          %d mV\n",
+                           battery->design_voltage);
+        seq_printf(seq, "design capacity warning: %d %sh\n",
+                   battery->design_capacity_warning,
+                   acpi_battery_units(battery));
+        seq_printf(seq, "design capacity low:     %d %sh\n",
+                   battery->design_capacity_low,
+                   acpi_battery_units(battery));
+        seq_printf(seq, "cycle count:             %i\n", battery->cycle_count);
+        seq_printf(seq, "capacity granularity 1:  %d %sh\n",
+                   battery->capacity_granularity_1,
+                   acpi_battery_units(battery));
+        seq_printf(seq, "capacity granularity 2:  %d %sh\n",
+                   battery->capacity_granularity_2,
+                   acpi_battery_units(battery));
+        seq_printf(seq, "model number:            %s\n", battery->model_number);
+        seq_printf(seq, "serial number:           %s\n", battery->serial_number);
+        seq_printf(seq, "battery type:            %s\n", battery->type);
+        seq_printf(seq, "OEM info:                %s\n", battery->oem_info);
+      end:
+        if (result)
+                seq_printf(seq, "ERROR: Unable to read battery info\n");
+        return result;
+}
+
+static int acpi_battery_print_state(struct seq_file *seq, int result)
+{
+        struct acpi_battery *battery = seq->private;
+
+        if (result)
+                goto end;
+
+        seq_printf(seq, "present:                 %s\n",
+                   acpi_battery_present(battery) ? "yes" : "no");
+        if (!acpi_battery_present(battery))
+                goto end;
+
+        seq_printf(seq, "capacity state:          %s\n",
+                        (battery->state & 0x04) ? "critical" : "ok");
+        if ((battery->state & 0x01) && (battery->state & 0x02))
+                seq_printf(seq,
+                           "charging state:          charging/discharging\n");
+        else if (battery->state & 0x01)
+                seq_printf(seq, "charging state:          discharging\n");
+        else if (battery->state & 0x02)
+                seq_printf(seq, "charging state:          charging\n");
+        else
+                seq_printf(seq, "charging state:          charged\n");
+
+        if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN)
+                seq_printf(seq, "present rate:            unknown\n");
+        else
+                seq_printf(seq, "present rate:            %d %s\n",
+                           battery->rate_now, acpi_battery_units(battery));
+
+        if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN)
+                seq_printf(seq, "remaining capacity:      unknown\n");
+        else
+                seq_printf(seq, "remaining capacity:      %d %sh\n",
+                           battery->capacity_now, acpi_battery_units(battery));
+        if (battery->voltage_now == ACPI_BATTERY_VALUE_UNKNOWN)
+                seq_printf(seq, "present voltage:         unknown\n");
+        else
+                seq_printf(seq, "present voltage:         %d mV\n",
+                           battery->voltage_now);
+      end:
+        if (result)
+                seq_printf(seq, "ERROR: Unable to read battery state\n");
+
+        return result;
+}
+
+static int acpi_battery_print_alarm(struct seq_file *seq, int result)
+{
+        struct acpi_battery *battery = seq->private;
+
+        if (result)
+                goto end;
+
+        if (!acpi_battery_present(battery)) {
+                seq_printf(seq, "present:                 no\n");
+                goto end;
+        }
+        seq_printf(seq, "alarm:                   ");
+        if (!battery->alarm)
+                seq_printf(seq, "unsupported\n");
+        else
+                seq_printf(seq, "%u %sh\n", battery->alarm,
+                                acpi_battery_units(battery));
+      end:
+        if (result)
+                seq_printf(seq, "ERROR: Unable to read battery alarm\n");
+        return result;
+}
+
+static ssize_t acpi_battery_write_alarm(struct file *file,
+                                        const char __user * buffer,
+                                        size_t count, loff_t * ppos)
+{
+        int result = 0;
+        char alarm_string[12] = { '\0' };
+        struct seq_file *m = file->private_data;
+        struct acpi_battery *battery = m->private;
+
+        if (!battery || (count > sizeof(alarm_string) - 1))
+                return -EINVAL;
+        if (!acpi_battery_present(battery)) {
+                result = -ENODEV;
+                goto end;
+        }
+        if (copy_from_user(alarm_string, buffer, count)) {
+                result = -EFAULT;
+                goto end;
+        }
+        alarm_string[count] = '\0';
+        battery->alarm = simple_strtol(alarm_string, NULL, 0);
+        result = acpi_battery_set_alarm(battery);
+      end:
+        if (!result)
+                return count;
+        return result;
+}
+
+typedef int(*print_func)(struct seq_file *seq, int result);
+
+static print_func acpi_print_funcs[ACPI_BATTERY_NUMFILES] = {
+        acpi_battery_print_info,
+        acpi_battery_print_state,
+        acpi_battery_print_alarm,
+};
+
+static int acpi_battery_read(int fid, struct seq_file *seq)
+{
+        struct acpi_battery *battery = seq->private;
+        int result = acpi_battery_update(battery);
+        return acpi_print_funcs[fid](seq, result);
+}
+
+#define DECLARE_FILE_FUNCTIONS(_name) \
+static int acpi_battery_read_##_name(struct seq_file *seq, void *offset) \
+{ \
+        return acpi_battery_read(_name##_tag, seq); \
+} \
+static int acpi_battery_##_name##_open_fs(struct inode *inode, struct file *file) \
+{ \
+        return single_open(file, acpi_battery_read_##_name, PDE_DATA(inode)); \
+}
+
+DECLARE_FILE_FUNCTIONS(info);
+DECLARE_FILE_FUNCTIONS(state);
+DECLARE_FILE_FUNCTIONS(alarm);
+
+#undef DECLARE_FILE_FUNCTIONS
+
+#define FILE_DESCRIPTION_RO(_name) \
+        { \
+        .name = __stringify(_name), \
+        .mode = S_IRUGO, \
+        .ops = { \
+                .open = acpi_battery_##_name##_open_fs, \
+                .read = seq_read, \
+                .llseek = seq_lseek, \
+                .release = single_release, \
+                .owner = THIS_MODULE, \
+                }, \
+        }
+
+#define FILE_DESCRIPTION_RW(_name) \
+        { \
+        .name = __stringify(_name), \
+        .mode = S_IFREG | S_IRUGO | S_IWUSR, \
+        .ops = { \
+                .open = acpi_battery_##_name##_open_fs, \
+                .read = seq_read, \
+                .llseek = seq_lseek, \
+                .write = acpi_battery_write_##_name, \
+                .release = single_release, \
+                .owner = THIS_MODULE, \
+                }, \
+        }
+
+static const struct battery_file {
+        struct file_operations ops;
+        umode_t mode;
+        const char *name;
+} acpi_battery_file[] = {
+        FILE_DESCRIPTION_RO(info),
+        FILE_DESCRIPTION_RO(state),
+        FILE_DESCRIPTION_RW(alarm),
+};
+
+#undef FILE_DESCRIPTION_RO
+#undef FILE_DESCRIPTION_RW
+
+static int acpi_battery_add_fs(struct acpi_device *device)
+{
+        struct proc_dir_entry *entry = NULL;
+        int i;
+
+        printk(KERN_WARNING PREFIX "Deprecated procfs I/F for battery is loaded,"
+                        " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
+        if (!acpi_device_dir(device)) {
+                acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
+                                                     acpi_battery_dir);
+                if (!acpi_device_dir(device))
+                        return -ENODEV;
+        }
+
+        for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) {
+                entry = proc_create_data(acpi_battery_file[i].name,
+                                         acpi_battery_file[i].mode,
+                                         acpi_device_dir(device),
+                                         &acpi_battery_file[i].ops,
+                                         acpi_driver_data(device));
+                if (!entry)
+                        return -ENODEV;
+        }
+        return 0;
+}
+
+static void acpi_battery_remove_fs(struct acpi_device *device)
+{
+        int i;
+        if (!acpi_device_dir(device))
+                return;
+        for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i)
+                remove_proc_entry(acpi_battery_file[i].name,
+                                  acpi_device_dir(device));
+
+        remove_proc_entry(acpi_device_bid(device), acpi_battery_dir);
+        acpi_device_dir(device) = NULL;
+}
+
+#endif
+
+/* --------------------------------------------------------------------------
                                  Driver Interface
    -------------------------------------------------------------------------- */
 
@@ -790,6 +1090,15 @@ static int acpi_battery_add(struct acpi_device *device)
         result = acpi_battery_update(battery);
         if (result)
                 goto fail;
+#ifdef CONFIG_ACPI_PROCFS_POWER
+        result = acpi_battery_add_fs(device);
+#endif
+        if (result) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+                acpi_battery_remove_fs(device);
+#endif
+                goto fail;
+        }
 
         printk(KERN_INFO PREFIX "%s Slot [%s] (battery %s)\n",
                 ACPI_BATTERY_DEVICE_NAME, acpi_device_bid(device),
@@ -816,6 +1125,9 @@ static int acpi_battery_remove(struct acpi_device *device)
                 return -EINVAL;
         battery = acpi_driver_data(device);
         unregister_pm_notifier(&battery->pm_nb);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+        acpi_battery_remove_fs(device);
+#endif
         sysfs_remove_battery(battery);
         mutex_destroy(&battery->lock);
         mutex_destroy(&battery->sysfs_lock);
@@ -866,7 +1178,19 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
 
         if (dmi_check_system(bat_dmi_table))
                 battery_bix_broken_package = 1;
-        acpi_bus_register_driver(&acpi_battery_driver);
+        
+#ifdef CONFIG_ACPI_PROCFS_POWER
+        acpi_battery_dir = acpi_lock_battery_dir();
+        if (!acpi_battery_dir)
+                return;
+#endif
+        if (acpi_bus_register_driver(&acpi_battery_driver) < 0) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+                acpi_unlock_battery_dir(acpi_battery_dir);
+#endif
+                return;
+        }
+        return;
 }
 
 static int __init acpi_battery_init(void)
@@ -878,6 +1202,9 @@ static int __init acpi_battery_init(void)
 static void __exit acpi_battery_exit(void)
 {
         acpi_bus_unregister_driver(&acpi_battery_driver);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+        acpi_unlock_battery_dir(acpi_battery_dir);
+#endif
 }
 
 module_init(acpi_battery_init);
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index afec4526c48a..3d8413d02a97 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -314,6 +314,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                      DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"),
                 },
         },
+        {
+        .callback = dmi_disable_osi_win8,
+        .ident = "Dell Inspiron 7737",
+        .matches = {
+                    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
+                },
+        },
 
         /*
          * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
@@ -374,6 +382,19 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
                 },
         },
+        /*
+         * Without this this EEEpc exports a non working WMI interface, with
+         * this it exports a working "good old" eeepc_laptop interface, fixing
+         * both brightness control, and rfkill not working.
+         */
+        {
+        .callback = dmi_enable_osi_linux,
+        .ident = "Asus EEE PC 1015PX",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
+                },
+        },
         {}
 };
 
diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
new file mode 100644
index 000000000000..6c9ee68e46fb
--- /dev/null
+++ b/drivers/acpi/cm_sbs.c
@@ -0,0 +1,105 @@
+/*
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  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; either version 2 of the License, or (at
+ *  your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/types.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+
+#define PREFIX "ACPI: "
+
+ACPI_MODULE_NAME("cm_sbs");
+#define ACPI_AC_CLASS           "ac_adapter"
+#define ACPI_BATTERY_CLASS      "battery"
+#define _COMPONENT              ACPI_SBS_COMPONENT
+static struct proc_dir_entry *acpi_ac_dir;
+static struct proc_dir_entry *acpi_battery_dir;
+
+static DEFINE_MUTEX(cm_sbs_mutex);
+
+static int lock_ac_dir_cnt;
+static int lock_battery_dir_cnt;
+
+struct proc_dir_entry *acpi_lock_ac_dir(void)
+{
+        mutex_lock(&cm_sbs_mutex);
+        if (!acpi_ac_dir)
+                acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
+        if (acpi_ac_dir) {
+                lock_ac_dir_cnt++;
+        } else {
+                printk(KERN_ERR PREFIX
+                                  "Cannot create %s\n", ACPI_AC_CLASS);
+        }
+        mutex_unlock(&cm_sbs_mutex);
+        return acpi_ac_dir;
+}
+EXPORT_SYMBOL(acpi_lock_ac_dir);
+
+void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir_param)
+{
+        mutex_lock(&cm_sbs_mutex);
+        if (acpi_ac_dir_param)
+                lock_ac_dir_cnt--;
+        if (lock_ac_dir_cnt == 0 && acpi_ac_dir_param && acpi_ac_dir) {
+                remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
+                acpi_ac_dir = NULL;
+        }
+        mutex_unlock(&cm_sbs_mutex);
+}
+EXPORT_SYMBOL(acpi_unlock_ac_dir);
+
+struct proc_dir_entry *acpi_lock_battery_dir(void)
+{
+        mutex_lock(&cm_sbs_mutex);
+        if (!acpi_battery_dir) {
+                acpi_battery_dir =
+                    proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir);
+        }
+        if (acpi_battery_dir) {
+                lock_battery_dir_cnt++;
+        } else {
+                printk(KERN_ERR PREFIX
+                                  "Cannot create %s\n", ACPI_BATTERY_CLASS);
+        }
+        mutex_unlock(&cm_sbs_mutex);
+        return acpi_battery_dir;
+}
+EXPORT_SYMBOL(acpi_lock_battery_dir);
+
+void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param)
+{
+        mutex_lock(&cm_sbs_mutex);
+        if (acpi_battery_dir_param)
+                lock_battery_dir_cnt--;
+        if (lock_battery_dir_cnt == 0 && acpi_battery_dir_param
+            && acpi_battery_dir) {
+                remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
+                acpi_battery_dir = NULL;
+        }
+        mutex_unlock(&cm_sbs_mutex);
+        return;
+}
+EXPORT_SYMBOL(acpi_unlock_battery_dir);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index c1e31a41f949..25bbc55dca89 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1278,8 +1278,8 @@ static int __init acpi_thermal_init(void)
 
 static void __exit acpi_thermal_exit(void)
 {
-        destroy_workqueue(acpi_thermal_pm_queue);
         acpi_bus_unregister_driver(&acpi_thermal_driver);
+        destroy_workqueue(acpi_thermal_pm_queue);
 
         return;
 }
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 8b6990e417ec..f8bc5a755dda 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -457,10 +457,10 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
         },
         {
          .callback = video_set_use_native_backlight,
-         .ident = "ThinkPad T430s",
+         .ident = "ThinkPad T430 and T430s",
          .matches = {
                 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430s"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430"),
                 },
         },
         {
@@ -472,7 +472,7 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
                 },
         },
         {
-        .callback = video_set_use_native_backlight,
+         .callback = video_set_use_native_backlight,
         .ident = "ThinkPad X1 Carbon",
         .matches = {
                 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
@@ -500,7 +500,7 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
          .ident = "Dell Inspiron 7520",
          .matches = {
                 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-                DMI_MATCH(DMI_PRODUCT_VERSION, "Inspiron 7520"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
                 },
         },
         {
@@ -513,6 +513,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
         },
         {
          .callback = video_set_use_native_backlight,
+         .ident = "Acer Aspire 5742G",
+         .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5742G"),
+                },
+        },
+        {
+         .callback = video_set_use_native_backlight,
          .ident = "Acer Aspire V5-431",
          .matches = {
                 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index c2706047337f..0033fafc470b 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -815,7 +815,7 @@ config PATA_AT32
 
 config PATA_AT91
         tristate "PATA support for AT91SAM9260"
-        depends on ARM && ARCH_AT91
+        depends on ARM && SOC_AT91SAM9
         help
           This option enables support for IDE devices on the Atmel AT91SAM9260 SoC.
 
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 71e15b73513d..60707814a84b 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1115,6 +1115,17 @@ static bool ahci_broken_online(struct pci_dev *pdev)
         return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
 }
 
+static bool ahci_broken_devslp(struct pci_dev *pdev)
+{
+        /* device with broken DEVSLP but still showing SDS capability */
+        static const struct pci_device_id ids[] = {
+                { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
+                {}
+        };
+
+        return pci_match_id(ids, pdev);
+}
+
 #ifdef CONFIG_ATA_ACPI
 static void ahci_gtf_filter_workaround(struct ata_host *host)
 {
@@ -1364,6 +1375,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
 
+        /* must set flag prior to save config in order to take effect */
+        if (ahci_broken_devslp(pdev))
+                hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
+
         /* save initial config */
         ahci_pci_save_initial_config(pdev, hpriv);
 
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index b5eb886da226..af63c75c2001 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -236,6 +236,7 @@ enum {
                                                         port start (wait until
                                                         error-handling stage) */
         AHCI_HFLAG_MULTI_MSI            = (1 << 16), /* multiple PCI MSIs */
+        AHCI_HFLAG_NO_DEVSLP            = (1 << 17), /* no device sleep */
 
         /* ap->flags bits */
 
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 497c7abe1c7d..8befeb69eeb1 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -29,9 +29,25 @@
 #include "ahci.h"
 
 enum {
-        PORT_PHY_CTL = 0x178,                   /* Port0 PHY Control */
-        PORT_PHY_CTL_PDDQ_LOC = 0x100000,       /* PORT_PHY_CTL bits */
-        HOST_TIMER1MS = 0xe0,                   /* Timer 1-ms */
+        /* Timer 1-ms Register */
+        IMX_TIMER1MS                            = 0x00e0,
+        /* Port0 PHY Control Register */
+        IMX_P0PHYCR                             = 0x0178,
+        IMX_P0PHYCR_TEST_PDDQ                   = 1 << 20,
+        IMX_P0PHYCR_CR_READ                     = 1 << 19,
+        IMX_P0PHYCR_CR_WRITE                    = 1 << 18,
+        IMX_P0PHYCR_CR_CAP_DATA                 = 1 << 17,
+        IMX_P0PHYCR_CR_CAP_ADDR                 = 1 << 16,
+        /* Port0 PHY Status Register */
+        IMX_P0PHYSR                             = 0x017c,
+        IMX_P0PHYSR_CR_ACK                      = 1 << 18,
+        IMX_P0PHYSR_CR_DATA_OUT                 = 0xffff << 0,
+        /* Lane0 Output Status Register */
+        IMX_LANE0_OUT_STAT                      = 0x2003,
+        IMX_LANE0_OUT_STAT_RX_PLL_STATE         = 1 << 1,
+        /* Clock Reset Register */
+        IMX_CLOCK_RESET                         = 0x7f3f,
+        IMX_CLOCK_RESET_RESET                   = 1 << 0,
 };
 
 enum ahci_imx_type {
@@ -54,9 +70,149 @@ MODULE_PARM_DESC(hotplug, "AHCI IMX hot-plug support (0=Don't support, 1=support
 
 static void ahci_imx_host_stop(struct ata_host *host);
 
+static int imx_phy_crbit_assert(void __iomem *mmio, u32 bit, bool assert)
+{
+        int timeout = 10;
+        u32 crval;
+        u32 srval;
+
+        /* Assert or deassert the bit */
+        crval = readl(mmio + IMX_P0PHYCR);
+        if (assert)
+                crval |= bit;
+        else
+                crval &= ~bit;
+        writel(crval, mmio + IMX_P0PHYCR);
+
+        /* Wait for the cr_ack signal */
+        do {
+                srval = readl(mmio + IMX_P0PHYSR);
+                if ((assert ? srval : ~srval) & IMX_P0PHYSR_CR_ACK)
+                        break;
+                usleep_range(100, 200);
+        } while (--timeout);
+
+        return timeout ? 0 : -ETIMEDOUT;
+}
+
+static int imx_phy_reg_addressing(u16 addr, void __iomem *mmio)
+{
+        u32 crval = addr;
+        int ret;
+
+        /* Supply the address on cr_data_in */
+        writel(crval, mmio + IMX_P0PHYCR);
+
+        /* Assert the cr_cap_addr signal */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_CAP_ADDR, true);
+        if (ret)
+                return ret;
+
+        /* Deassert cr_cap_addr */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_CAP_ADDR, false);
+        if (ret)
+                return ret;
+
+        return 0;
+}
+
+static int imx_phy_reg_write(u16 val, void __iomem *mmio)
+{
+        u32 crval = val;
+        int ret;
+
+        /* Supply the data on cr_data_in */
+        writel(crval, mmio + IMX_P0PHYCR);
+
+        /* Assert the cr_cap_data signal */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_CAP_DATA, true);
+        if (ret)
+                return ret;
+
+        /* Deassert cr_cap_data */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_CAP_DATA, false);
+        if (ret)
+                return ret;
+
+        if (val & IMX_CLOCK_RESET_RESET) {
+                /*
+                 * In case we're resetting the phy, it's unable to acknowledge,
+                 * so we return immediately here.
+                 */
+                crval |= IMX_P0PHYCR_CR_WRITE;
+                writel(crval, mmio + IMX_P0PHYCR);
+                goto out;
+        }
+
+        /* Assert the cr_write signal */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_WRITE, true);
+        if (ret)
+                return ret;
+
+        /* Deassert cr_write */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_WRITE, false);
+        if (ret)
+                return ret;
+
+out:
+        return 0;
+}
+
+static int imx_phy_reg_read(u16 *val, void __iomem *mmio)
+{
+        int ret;
+
+        /* Assert the cr_read signal */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_READ, true);
+        if (ret)
+                return ret;
+
+        /* Capture the data from cr_data_out[] */
+        *val = readl(mmio + IMX_P0PHYSR) & IMX_P0PHYSR_CR_DATA_OUT;
+
+        /* Deassert cr_read */
+        ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_READ, false);
+        if (ret)
+                return ret;
+
+        return 0;
+}
+
+static int imx_sata_phy_reset(struct ahci_host_priv *hpriv)
+{
+        void __iomem *mmio = hpriv->mmio;
+        int timeout = 10;
+        u16 val;
+        int ret;
+
+        /* Reset SATA PHY by setting RESET bit of PHY register CLOCK_RESET */
+        ret = imx_phy_reg_addressing(IMX_CLOCK_RESET, mmio);
+        if (ret)
+                return ret;
+        ret = imx_phy_reg_write(IMX_CLOCK_RESET_RESET, mmio);
+        if (ret)
+                return ret;
+
+        /* Wait for PHY RX_PLL to be stable */
+        do {
+                usleep_range(100, 200);
+                ret = imx_phy_reg_addressing(IMX_LANE0_OUT_STAT, mmio);
+                if (ret)
+                        return ret;
+                ret = imx_phy_reg_read(&val, mmio);
+                if (ret)
+                        return ret;
+                if (val & IMX_LANE0_OUT_STAT_RX_PLL_STATE)
+                        break;
+        } while (--timeout);
+
+        return timeout ? 0 : -ETIMEDOUT;
+}
+
 static int imx_sata_enable(struct ahci_host_priv *hpriv)
 {
         struct imx_ahci_priv *imxpriv = hpriv->plat_data;
+        struct device *dev = &imxpriv->ahci_pdev->dev;
         int ret;
 
         if (imxpriv->no_device)
@@ -101,6 +257,14 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv)
                 regmap_update_bits(imxpriv->gpr, IOMUXC_GPR13,
                                    IMX6Q_GPR13_SATA_MPLL_CLK_EN,
                                    IMX6Q_GPR13_SATA_MPLL_CLK_EN);
+
+                usleep_range(100, 200);
+
+                ret = imx_sata_phy_reset(hpriv);
+                if (ret) {
+                        dev_err(dev, "failed to reset phy: %d\n", ret);
+                        goto disable_regulator;
+                }
         }
 
         usleep_range(1000, 2000);
@@ -156,8 +320,8 @@ static void ahci_imx_error_handler(struct ata_port *ap)
          * without full reset once the pddq mode is enabled making it
          * impossible to use as part of libata LPM.
          */
-        reg_val = readl(mmio + PORT_PHY_CTL);
-        writel(reg_val | PORT_PHY_CTL_PDDQ_LOC, mmio + PORT_PHY_CTL);
+        reg_val = readl(mmio + IMX_P0PHYCR);
+        writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR);
         imx_sata_disable(hpriv);
         imxpriv->no_device = true;
 }
@@ -217,6 +381,7 @@ static int imx_ahci_probe(struct platform_device *pdev)
         if (!imxpriv)
                 return -ENOMEM;
 
+        imxpriv->ahci_pdev = pdev;
         imxpriv->no_device = false;
         imxpriv->first_time = true;
         imxpriv->type = (enum ahci_imx_type)of_id->data;
@@ -248,7 +413,7 @@ static int imx_ahci_probe(struct platform_device *pdev)
 
         /*
          * Configure the HWINIT bits of the HOST_CAP and HOST_PORTS_IMPL,
-         * and IP vendor specific register HOST_TIMER1MS.
+         * and IP vendor specific register IMX_TIMER1MS.
          * Configure CAP_SSS (support stagered spin up).
          * Implement the port0.
          * Get the ahb clock rate, and configure the TIMER1MS register.
@@ -265,7 +430,7 @@ static int imx_ahci_probe(struct platform_device *pdev)
         }
 
         reg_val = clk_get_rate(imxpriv->ahb_clk) / 1000;
-        writel(reg_val, hpriv->mmio + HOST_TIMER1MS);
+        writel(reg_val, hpriv->mmio + IMX_TIMER1MS);
 
         ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, 0, 0);
         if (ret)
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 6bd4f660b4e1..b9861453fc81 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -452,6 +452,13 @@ void ahci_save_initial_config(struct device *dev,
                 cap &= ~HOST_CAP_SNTF;
         }
 
+        if ((cap2 & HOST_CAP2_SDS) && (hpriv->flags & AHCI_HFLAG_NO_DEVSLP)) {
+                dev_info(dev,
+                         "controller can't do DEVSLP, turning off\n");
+                cap2 &= ~HOST_CAP2_SDS;
+                cap2 &= ~HOST_CAP2_SADM;
+        }
+
         if (!(cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_YES_FBS)) {
                 dev_info(dev, "controller can do FBS, turning on CAP_FBS\n");
                 cap |= HOST_CAP_FBS;
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 943cc8b83e59..ea83828bfea9 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6314,6 +6314,8 @@ int ata_host_activate(struct ata_host *host, int irq,
 static void ata_port_detach(struct ata_port *ap)
 {
         unsigned long flags;
+        struct ata_link *link;
+        struct ata_device *dev;
 
         if (!ap->ops->error_handler)
                 goto skip_eh;
@@ -6333,6 +6335,13 @@ static void ata_port_detach(struct ata_port *ap)
         cancel_delayed_work_sync(&ap->hotplug_task);
 
  skip_eh:
+        /* clean up zpodd on port removal */
+        ata_for_each_link(link, ap, HOST_FIRST) {
+                ata_for_each_dev(dev, link, ALL) {
+                        if (zpodd_dev_enabled(dev))
+                                zpodd_exit(dev);
+                }
+        }
         if (ap->pmp_link) {
                 int i;
                 for (i = 0; i < SATA_PMP_MAX_PORTS; i++)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6d8a87f252de..cb9b1f8326c3 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -144,11 +144,11 @@ static void virtblk_done(struct virtqueue *vq)
                 if (unlikely(virtqueue_is_broken(vq)))
                         break;
         } while (!virtqueue_enable_cb(vq));
-        spin_unlock_irqrestore(&vblk->vq_lock, flags);
 
         /* In case queue is stopped waiting for more buffers. */
         if (req_done)
                 blk_mq_start_stopped_hw_queues(vblk->disk->queue);
+        spin_unlock_irqrestore(&vblk->vq_lock, flags);
 }
 
 static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req)
@@ -202,8 +202,8 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req)
         err = __virtblk_add_req(vblk->vq, vbr, vbr->sg, num);
         if (err) {
                 virtqueue_kick(vblk->vq);
-                spin_unlock_irqrestore(&vblk->vq_lock, flags);
                 blk_mq_stop_hw_queue(hctx);
+                spin_unlock_irqrestore(&vblk->vq_lock, flags);
                 /* Out of mem doesn't actually happen, since we fall back
                  * to direct descriptors */
                 if (err == -ENOMEM || err == -ENOSPC)
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 6b75713d953a..102c50d38902 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -995,8 +995,11 @@ retry:
                 ibytes = min_t(size_t, ibytes, have_bytes - reserved);
         if (ibytes < min)
                 ibytes = 0;
-        entropy_count = max_t(int, 0,
-                              entropy_count - (ibytes << (ENTROPY_SHIFT + 3)));
+        if (have_bytes >= ibytes + reserved)
+                entropy_count -= ibytes << (ENTROPY_SHIFT + 3);
+        else
+                entropy_count = reserved << (ENTROPY_SHIFT + 3);
+
         if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
                 goto retry;
 
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index b3ea223585bd..61dcc8011ec7 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -328,13 +328,11 @@ int tpm_add_ppi(struct kobject *parent)
         /* Cache TPM ACPI handle and version string */
         acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
                             ppi_callback, NULL, NULL, &tpm_ppi_handle);
-        if (tpm_ppi_handle == NULL)
-                return -ENODEV;
-
-        return sysfs_create_group(parent, &ppi_attr_grp);
+        return tpm_ppi_handle ? sysfs_create_group(parent, &ppi_attr_grp) : 0;
 }
 
 void tpm_remove_ppi(struct kobject *parent)
 {
-        sysfs_remove_group(parent, &ppi_attr_grp);
+        if (tpm_ppi_handle)
+                sysfs_remove_group(parent, &ppi_attr_grp);
 }
diff --git a/drivers/clk/bcm/clk-kona-setup.c b/drivers/clk/bcm/clk-kona-setup.c
index c7607feb18dd..54a06526f64f 100644
--- a/drivers/clk/bcm/clk-kona-setup.c
+++ b/drivers/clk/bcm/clk-kona-setup.c
@@ -27,7 +27,7 @@ LIST_HEAD(ccu_list);	/* The list of set up CCUs */
 
 static bool clk_requires_trigger(struct kona_clk *bcm_clk)
 {
-        struct peri_clk_data *peri = bcm_clk->peri;
+        struct peri_clk_data *peri = bcm_clk->u.peri;
         struct bcm_clk_sel *sel;
         struct bcm_clk_div *div;
 
@@ -63,7 +63,7 @@ static bool peri_clk_data_offsets_valid(struct kona_clk *bcm_clk)
         u32 limit;
 
         BUG_ON(bcm_clk->type != bcm_clk_peri);
-        peri = bcm_clk->peri;
+        peri = bcm_clk->u.peri;
         name = bcm_clk->name;
         range = bcm_clk->ccu->range;
 
@@ -81,19 +81,19 @@ static bool peri_clk_data_offsets_valid(struct kona_clk *bcm_clk)
 
         div = &peri->div;
         if (divider_exists(div)) {
-                if (div->offset > limit) {
+                if (div->u.s.offset > limit) {
                         pr_err("%s: bad divider offset for %s (%u > %u)\n",
-                                __func__, name, div->offset, limit);
+                                __func__, name, div->u.s.offset, limit);
                         return false;
                 }
         }
 
         div = &peri->pre_div;
         if (divider_exists(div)) {
-                if (div->offset > limit) {
+                if (div->u.s.offset > limit) {
                         pr_err("%s: bad pre-divider offset for %s "
                                         "(%u > %u)\n",
-                                __func__, name, div->offset, limit);
+                                __func__, name, div->u.s.offset, limit);
                         return false;
                 }
         }
@@ -249,21 +249,22 @@ static bool div_valid(struct bcm_clk_div *div, const char *field_name,
 {
         if (divider_is_fixed(div)) {
                 /* Any fixed divider value but 0 is OK */
-                if (div->fixed == 0) {
+                if (div->u.fixed == 0) {
                         pr_err("%s: bad %s fixed value 0 for %s\n", __func__,
                                 field_name, clock_name);
                         return false;
                 }
                 return true;
         }
-        if (!bitfield_valid(div->shift, div->width, field_name, clock_name))
+        if (!bitfield_valid(div->u.s.shift, div->u.s.width,
+                                field_name, clock_name))
                 return false;
 
         if (divider_has_fraction(div))
-                if (div->frac_width > div->width) {
+                if (div->u.s.frac_width > div->u.s.width) {
                         pr_warn("%s: bad %s fraction width for %s (%u > %u)\n",
                                 __func__, field_name, clock_name,
-                                div->frac_width, div->width);
+                                div->u.s.frac_width, div->u.s.width);
                         return false;
                 }
 
@@ -278,7 +279,7 @@ static bool div_valid(struct bcm_clk_div *div, const char *field_name,
  */
 static bool kona_dividers_valid(struct kona_clk *bcm_clk)
 {
-        struct peri_clk_data *peri = bcm_clk->peri;
+        struct peri_clk_data *peri = bcm_clk->u.peri;
         struct bcm_clk_div *div;
         struct bcm_clk_div *pre_div;
         u32 limit;
@@ -295,7 +296,7 @@ static bool kona_dividers_valid(struct kona_clk *bcm_clk)
 
         limit = BITS_PER_BYTE * sizeof(u32);
 
-        return div->frac_width + pre_div->frac_width <= limit;
+        return div->u.s.frac_width + pre_div->u.s.frac_width <= limit;
 }
 
 
@@ -328,7 +329,7 @@ peri_clk_data_valid(struct kona_clk *bcm_clk)
         if (!peri_clk_data_offsets_valid(bcm_clk))
                 return false;
 
-        peri = bcm_clk->peri;
+        peri = bcm_clk->u.peri;
         name = bcm_clk->name;
         gate = &peri->gate;
         if (gate_exists(gate) && !gate_valid(gate, "gate", name))
@@ -588,12 +589,12 @@ static void bcm_clk_teardown(struct kona_clk *bcm_clk)
 {
         switch (bcm_clk->type) {
         case bcm_clk_peri:
-                peri_clk_teardown(bcm_clk->data, &bcm_clk->init_data);
+                peri_clk_teardown(bcm_clk->u.data, &bcm_clk->init_data);
                 break;
         default:
                 break;
         }
-        bcm_clk->data = NULL;
+        bcm_clk->u.data = NULL;
         bcm_clk->type = bcm_clk_none;
 }
 
@@ -644,7 +645,7 @@ struct clk *kona_clk_setup(struct ccu_data *ccu, const char *name,
                 break;
         }
         bcm_clk->type = type;
-        bcm_clk->data = data;
+        bcm_clk->u.data = data;
 
         /* Make sure everything makes sense before we set it up */
         if (!kona_clk_valid(bcm_clk)) {
diff --git a/drivers/clk/bcm/clk-kona.c b/drivers/clk/bcm/clk-kona.c
index e3d339e08309..db11a87449f2 100644
--- a/drivers/clk/bcm/clk-kona.c
+++ b/drivers/clk/bcm/clk-kona.c
@@ -61,7 +61,7 @@ u64 do_div_round_closest(u64 dividend, unsigned long divisor)
 /* Convert a divider into the scaled divisor value it represents. */
 static inline u64 scaled_div_value(struct bcm_clk_div *div, u32 reg_div)
 {
-        return (u64)reg_div + ((u64)1 << div->frac_width);
+        return (u64)reg_div + ((u64)1 << div->u.s.frac_width);
 }
 
 /*
@@ -77,7 +77,7 @@ u64 scaled_div_build(struct bcm_clk_div *div, u32 div_value, u32 billionths)
         BUG_ON(billionths >= BILLION);
 
         combined = (u64)div_value * BILLION + billionths;
-        combined <<= div->frac_width;
+        combined <<= div->u.s.frac_width;
 
         return do_div_round_closest(combined, BILLION);
 }
@@ -87,7 +87,7 @@ static inline u64
 scaled_div_min(struct bcm_clk_div *div)
 {
         if (divider_is_fixed(div))
-                return (u64)div->fixed;
+                return (u64)div->u.fixed;
 
         return scaled_div_value(div, 0);
 }
@@ -98,9 +98,9 @@ u64 scaled_div_max(struct bcm_clk_div *div)
         u32 reg_div;
 
         if (divider_is_fixed(div))
-                return (u64)div->fixed;
+                return (u64)div->u.fixed;
 
-        reg_div = ((u32)1 << div->width) - 1;
+        reg_div = ((u32)1 << div->u.s.width) - 1;
 
         return scaled_div_value(div, reg_div);
 }
@@ -115,7 +115,7 @@ divider(struct bcm_clk_div *div, u64 scaled_div)
         BUG_ON(scaled_div < scaled_div_min(div));
         BUG_ON(scaled_div > scaled_div_max(div));
 
-        return (u32)(scaled_div - ((u64)1 << div->frac_width));
+        return (u32)(scaled_div - ((u64)1 << div->u.s.frac_width));
 }
 
 /* Return a rate scaled for use when dividing by a scaled divisor. */
@@ -125,7 +125,7 @@ scale_rate(struct bcm_clk_div *div, u32 rate)
         if (divider_is_fixed(div))
                 return (u64)rate;
 
-        return (u64)rate << div->frac_width;
+        return (u64)rate << div->u.s.frac_width;
 }
 
 /* CCU access */
@@ -398,14 +398,14 @@ static u64 divider_read_scaled(struct ccu_data *ccu, struct bcm_clk_div *div)
         u32 reg_div;
 
         if (divider_is_fixed(div))
-                return (u64)div->fixed;
+                return (u64)div->u.fixed;
 
         flags = ccu_lock(ccu);
-        reg_val = __ccu_read(ccu, div->offset);
+        reg_val = __ccu_read(ccu, div->u.s.offset);
         ccu_unlock(ccu, flags);
 
         /* Extract the full divider field from the register value */
-        reg_div = bitfield_extract(reg_val, div->shift, div->width);
+        reg_div = bitfield_extract(reg_val, div->u.s.shift, div->u.s.width);
 
         /* Return the scaled divisor value it represents */
         return scaled_div_value(div, reg_div);
@@ -433,16 +433,17 @@ static int __div_commit(struct ccu_data *ccu, struct bcm_clk_gate *gate,
          * state was defined in the device tree, we just find out
          * what its current value is rather than updating it.
          */
-        if (div->scaled_div == BAD_SCALED_DIV_VALUE) {
-                reg_val = __ccu_read(ccu, div->offset);
-                reg_div = bitfield_extract(reg_val, div->shift, div->width);
-                div->scaled_div = scaled_div_value(div, reg_div);
+        if (div->u.s.scaled_div == BAD_SCALED_DIV_VALUE) {
+                reg_val = __ccu_read(ccu, div->u.s.offset);
+                reg_div = bitfield_extract(reg_val, div->u.s.shift,
+                                                div->u.s.width);
+                div->u.s.scaled_div = scaled_div_value(div, reg_div);
 
                 return 0;
         }
 
         /* Convert the scaled divisor to the value we need to record */
-        reg_div = divider(div, div->scaled_div);
+        reg_div = divider(div, div->u.s.scaled_div);
 
         /* Clock needs to be enabled before changing the rate */
         enabled = __is_clk_gate_enabled(ccu, gate);
@@ -452,9 +453,10 @@ static int __div_commit(struct ccu_data *ccu, struct bcm_clk_gate *gate,
         }
 
         /* Replace the divider value and record the result */
-        reg_val = __ccu_read(ccu, div->offset);
-        reg_val = bitfield_replace(reg_val, div->shift, div->width, reg_div);
-        __ccu_write(ccu, div->offset, reg_val);
+        reg_val = __ccu_read(ccu, div->u.s.offset);
+        reg_val = bitfield_replace(reg_val, div->u.s.shift, div->u.s.width,
+                                        reg_div);
+        __ccu_write(ccu, div->u.s.offset, reg_val);
 
         /* If the trigger fails we still want to disable the gate */
         if (!__clk_trigger(ccu, trig))
@@ -490,11 +492,11 @@ static int divider_write(struct ccu_data *ccu, struct bcm_clk_gate *gate,
 
         BUG_ON(divider_is_fixed(div));
 
-        previous = div->scaled_div;
+        previous = div->u.s.scaled_div;
         if (previous == scaled_div)
                 return 0;       /* No change */
 
-        div->scaled_div = scaled_div;
+        div->u.s.scaled_div = scaled_div;
 
         flags = ccu_lock(ccu);
         __ccu_write_enable(ccu);
@@ -505,7 +507,7 @@ static int divider_write(struct ccu_data *ccu, struct bcm_clk_gate *gate,
         ccu_unlock(ccu, flags);
 
         if (ret)
-                div->scaled_div = previous;             /* Revert the change */
+                div->u.s.scaled_div = previous;         /* Revert the change */
 
         return ret;
 
@@ -802,7 +804,7 @@ static int selector_write(struct ccu_data *ccu, struct bcm_clk_gate *gate,
 static int kona_peri_clk_enable(struct clk_hw *hw)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct bcm_clk_gate *gate = &bcm_clk->peri->gate;
+        struct bcm_clk_gate *gate = &bcm_clk->u.peri->gate;
 
         return clk_gate(bcm_clk->ccu, bcm_clk->name, gate, true);
 }
@@ -810,7 +812,7 @@ static int kona_peri_clk_enable(struct clk_hw *hw)
 static void kona_peri_clk_disable(struct clk_hw *hw)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct bcm_clk_gate *gate = &bcm_clk->peri->gate;
+        struct bcm_clk_gate *gate = &bcm_clk->u.peri->gate;
 
         (void)clk_gate(bcm_clk->ccu, bcm_clk->name, gate, false);
 }
@@ -818,7 +820,7 @@ static void kona_peri_clk_disable(struct clk_hw *hw)
 static int kona_peri_clk_is_enabled(struct clk_hw *hw)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct bcm_clk_gate *gate = &bcm_clk->peri->gate;
+        struct bcm_clk_gate *gate = &bcm_clk->u.peri->gate;
 
         return is_clk_gate_enabled(bcm_clk->ccu, gate) ? 1 : 0;
 }
@@ -827,7 +829,7 @@ static unsigned long kona_peri_clk_recalc_rate(struct clk_hw *hw,
                         unsigned long parent_rate)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct peri_clk_data *data = bcm_clk->peri;
+        struct peri_clk_data *data = bcm_clk->u.peri;
 
         return clk_recalc_rate(bcm_clk->ccu, &data->div, &data->pre_div,
                                 parent_rate);
@@ -837,20 +839,20 @@ static long kona_peri_clk_round_rate(struct clk_hw *hw, unsigned long rate,
                         unsigned long *parent_rate)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct bcm_clk_div *div = &bcm_clk->peri->div;
+        struct bcm_clk_div *div = &bcm_clk->u.peri->div;
 
         if (!divider_exists(div))
                 return __clk_get_rate(hw->clk);
 
         /* Quietly avoid a zero rate */
-        return round_rate(bcm_clk->ccu, div, &bcm_clk->peri->pre_div,
+        return round_rate(bcm_clk->ccu, div, &bcm_clk->u.peri->pre_div,
                                 rate ? rate : 1, *parent_rate, NULL);
 }
 
 static int kona_peri_clk_set_parent(struct clk_hw *hw, u8 index)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct peri_clk_data *data = bcm_clk->peri;
+        struct peri_clk_data *data = bcm_clk->u.peri;
         struct bcm_clk_sel *sel = &data->sel;
         struct bcm_clk_trig *trig;
         int ret;
@@ -884,7 +886,7 @@ static int kona_peri_clk_set_parent(struct clk_hw *hw, u8 index)
 static u8 kona_peri_clk_get_parent(struct clk_hw *hw)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct peri_clk_data *data = bcm_clk->peri;
+        struct peri_clk_data *data = bcm_clk->u.peri;
         u8 index;
 
         index = selector_read_index(bcm_clk->ccu, &data->sel);
@@ -897,7 +899,7 @@ static int kona_peri_clk_set_rate(struct clk_hw *hw, unsigned long rate,
                         unsigned long parent_rate)
 {
         struct kona_clk *bcm_clk = to_kona_clk(hw);
-        struct peri_clk_data *data = bcm_clk->peri;
+        struct peri_clk_data *data = bcm_clk->u.peri;
         struct bcm_clk_div *div = &data->div;
         u64 scaled_div = 0;
         int ret;
@@ -958,7 +960,7 @@ struct clk_ops kona_peri_clk_ops = {
 static bool __peri_clk_init(struct kona_clk *bcm_clk)
 {
         struct ccu_data *ccu = bcm_clk->ccu;
-        struct peri_clk_data *peri = bcm_clk->peri;
+        struct peri_clk_data *peri = bcm_clk->u.peri;
         const char *name = bcm_clk->name;
         struct bcm_clk_trig *trig;
 
diff --git a/drivers/clk/bcm/clk-kona.h b/drivers/clk/bcm/clk-kona.h
index 5e139adc3dc5..dee690951bb6 100644
--- a/drivers/clk/bcm/clk-kona.h
+++ b/drivers/clk/bcm/clk-kona.h
@@ -57,7 +57,7 @@
 #define divider_exists(div)             FLAG_TEST(div, DIV, EXISTS)
 #define divider_is_fixed(div)           FLAG_TEST(div, DIV, FIXED)
 #define divider_has_fraction(div)       (!divider_is_fixed(div) && \
-                                                (div)->frac_width > 0)
+                                                (div)->u.s.frac_width > 0)
 
 #define selector_exists(sel)            ((sel)->width != 0)
 #define trigger_exists(trig)            FLAG_TEST(trig, TRIG, EXISTS)
@@ -244,9 +244,9 @@ struct bcm_clk_div {
                         u32 frac_width; /* field fraction width */
 
                         u64 scaled_div; /* scaled divider value */
-                };
+                } s;
                 u32 fixed;      /* non-zero fixed divider value */
-        };
+        } u;
         u32 flags;              /* BCM_CLK_DIV_FLAGS_* below */
 };
 
@@ -263,28 +263,28 @@ struct bcm_clk_div {
 /* A fixed (non-zero) divider */
 #define FIXED_DIVIDER(_value)                                           \
         {                                                               \
-                .fixed = (_value),                                      \
+                .u.fixed = (_value),                                    \
                 .flags = FLAG(DIV, EXISTS)|FLAG(DIV, FIXED),            \
         }
 
 /* A divider with an integral divisor */
 #define DIVIDER(_offset, _shift, _width)                                \
         {                                                               \
-                .offset = (_offset),                                    \
-                .shift = (_shift),                                      \
-                .width = (_width),                                      \
-                .scaled_div = BAD_SCALED_DIV_VALUE,                     \
+                .u.s.offset = (_offset),                                \
+                .u.s.shift = (_shift),                                  \
+                .u.s.width = (_width),                                  \
+                .u.s.scaled_div = BAD_SCALED_DIV_VALUE,                 \
                 .flags = FLAG(DIV, EXISTS),                             \
         }
 
 /* A divider whose divisor has an integer and fractional part */
 #define FRAC_DIVIDER(_offset, _shift, _width, _frac_width)              \
         {                                                               \
-                .offset = (_offset),                                    \
-                .shift = (_shift),                                      \
-                .width = (_width),                                      \
-                .frac_width = (_frac_width),                            \
-                .scaled_div = BAD_SCALED_DIV_VALUE,                     \
+                .u.s.offset = (_offset),                                \
+                .u.s.shift = (_shift),                                  \
+                .u.s.width = (_width),                                  \
+                .u.s.frac_width = (_frac_width),                        \
+                .u.s.scaled_div = BAD_SCALED_DIV_VALUE,                 \
                 .flags = FLAG(DIV, EXISTS),                             \
         }
 
@@ -380,7 +380,7 @@ struct kona_clk {
         union {
                 void *data;
                 struct peri_clk_data *peri;
-        };
+        } u;
 };
 #define to_kona_clk(_hw) \
         container_of(_hw, struct kona_clk, hw)
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index ec22112e569f..3fbee4540228 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -144,6 +144,37 @@ static bool _is_valid_div(struct clk_divider *divider, unsigned int div)
         return true;
 }
 
+static int _round_up_table(const struct clk_div_table *table, int div)
+{
+        const struct clk_div_table *clkt;
+        int up = INT_MAX;
+
+        for (clkt = table; clkt->div; clkt++) {
+                if (clkt->div == div)
+                        return clkt->div;
+                else if (clkt->div < div)
+                        continue;
+
+                if ((clkt->div - div) < (up - div))
+                        up = clkt->div;
+        }
+
+        return up;
+}
+
+static int _div_round_up(struct clk_divider *divider,
+                unsigned long parent_rate, unsigned long rate)
+{
+        int div = DIV_ROUND_UP(parent_rate, rate);
+
+        if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
+                div = __roundup_pow_of_two(div);
+        if (divider->table)
+                div = _round_up_table(divider->table, div);
+
+        return div;
+}
+
 static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
                 unsigned long *best_parent_rate)
 {
@@ -159,7 +190,7 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
 
         if (!(__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT)) {
                 parent_rate = *best_parent_rate;
-                bestdiv = DIV_ROUND_UP(parent_rate, rate);
+                bestdiv = _div_round_up(divider, parent_rate, rate);
                 bestdiv = bestdiv == 0 ? 1 : bestdiv;
                 bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv;
                 return bestdiv;
@@ -219,6 +250,10 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
         u32 val;
 
         div = DIV_ROUND_UP(parent_rate, rate);
+
+        if (!_is_valid_div(divider, div))
+                return -EINVAL;
+
         value = _get_val(divider, div);
 
         if (value > div_mask(divider))
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index dff0373f53c1..7cf2c093cc54 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1984,9 +1984,28 @@ struct clk *__clk_register(struct device *dev, struct clk_hw *hw)
 }
 EXPORT_SYMBOL_GPL(__clk_register);
 
-static int _clk_register(struct device *dev, struct clk_hw *hw, struct clk *clk)
+/**
+ * clk_register - allocate a new clock, register it and return an opaque cookie
+ * @dev: device that is registering this clock
+ * @hw: link to hardware-specific clock data
+ *
+ * clk_register is the primary interface for populating the clock tree with new
+ * clock nodes.  It returns a pointer to the newly allocated struct clk which
+ * cannot be dereferenced by driver code but may be used in conjuction with the
+ * rest of the clock API.  In the event of an error clk_register will return an
+ * error code; drivers must test for an error code after calling clk_register.
+ */
+struct clk *clk_register(struct device *dev, struct clk_hw *hw)
 {
         int i, ret;
+        struct clk *clk;
+
+        clk = kzalloc(sizeof(*clk), GFP_KERNEL);
+        if (!clk) {
+                pr_err("%s: could not allocate clk\n", __func__);
+                ret = -ENOMEM;
+                goto fail_out;
+        }
 
         clk->name = kstrdup(hw->init->name, GFP_KERNEL);
         if (!clk->name) {
@@ -2026,7 +2045,7 @@ static int _clk_register(struct device *dev, struct clk_hw *hw, struct clk *clk)
 
         ret = __clk_init(dev, clk);
         if (!ret)
-                return 0;
+                return clk;
 
 fail_parent_names_copy:
         while (--i >= 0)
@@ -2035,36 +2054,6 @@ fail_parent_names_copy:
 fail_parent_names:
         kfree(clk->name);
 fail_name:
-        return ret;
-}
-
-/**
- * clk_register - allocate a new clock, register it and return an opaque cookie
- * @dev: device that is registering this clock
- * @hw: link to hardware-specific clock data
- *
- * clk_register is the primary interface for populating the clock tree with new
- * clock nodes.  It returns a pointer to the newly allocated struct clk which
- * cannot be dereferenced by driver code but may be used in conjuction with the
- * rest of the clock API.  In the event of an error clk_register will return an
- * error code; drivers must test for an error code after calling clk_register.
- */
-struct clk *clk_register(struct device *dev, struct clk_hw *hw)
-{
-        int ret;
-        struct clk *clk;
-
-        clk = kzalloc(sizeof(*clk), GFP_KERNEL);
-        if (!clk) {
-                pr_err("%s: could not allocate clk\n", __func__);
-                ret = -ENOMEM;
-                goto fail_out;
-        }
-
-        ret = _clk_register(dev, hw, clk);
-        if (!ret)
-                return clk;
-
         kfree(clk);
 fail_out:
         return ERR_PTR(ret);
@@ -2151,9 +2140,10 @@ void clk_unregister(struct clk *clk)
 
         if (!hlist_empty(&clk->children)) {
                 struct clk *child;
+                struct hlist_node *t;
 
                 /* Reparent all children to the orphan list. */
-                hlist_for_each_entry(child, &clk->children, child_node)
+                hlist_for_each_entry_safe(child, t, &clk->children, child_node)
                         clk_set_parent(child, NULL);
         }
 
@@ -2173,7 +2163,7 @@ EXPORT_SYMBOL_GPL(clk_unregister);
 
 static void devm_clk_release(struct device *dev, void *res)
 {
-        clk_unregister(res);
+        clk_unregister(*(struct clk **)res);
 }
 
 /**
@@ -2188,18 +2178,18 @@ static void devm_clk_release(struct device *dev, void *res)
 struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw)
 {
         struct clk *clk;
-        int ret;
+        struct clk **clkp;
 
-        clk = devres_alloc(devm_clk_release, sizeof(*clk), GFP_KERNEL);
-        if (!clk)
+        clkp = devres_alloc(devm_clk_release, sizeof(*clkp), GFP_KERNEL);
+        if (!clkp)
                 return ERR_PTR(-ENOMEM);
 
-        ret = _clk_register(dev, hw, clk);
-        if (!ret) {
-                devres_add(dev, clk);
+        clk = clk_register(dev, hw);
+        if (!IS_ERR(clk)) {
+                *clkp = clk;
+                devres_add(dev, clkp);
         } else {
-                devres_free(clk);
-                clk = ERR_PTR(ret);
+                devres_free(clkp);
         }
 
         return clk;
diff --git a/drivers/clk/shmobile/clk-mstp.c b/drivers/clk/shmobile/clk-mstp.c
index 2e5810c88d11..1f6324e29a80 100644
--- a/drivers/clk/shmobile/clk-mstp.c
+++ b/drivers/clk/shmobile/clk-mstp.c
@@ -156,6 +156,7 @@ cpg_mstp_clock_register(const char *name, const char *parent_name,
 static void __init cpg_mstp_clocks_init(struct device_node *np)
 {
         struct mstp_clock_group *group;
+        const char *idxname;
         struct clk **clks;
         unsigned int i;
 
@@ -184,6 +185,11 @@ static void __init cpg_mstp_clocks_init(struct device_node *np)
         for (i = 0; i < MSTP_MAX_CLOCKS; ++i)
                 clks[i] = ERR_PTR(-ENOENT);
 
+        if (of_find_property(np, "clock-indices", &i))
+                idxname = "clock-indices";
+        else
+                idxname = "renesas,clock-indices";
+
         for (i = 0; i < MSTP_MAX_CLOCKS; ++i) {
                 const char *parent_name;
                 const char *name;
@@ -197,8 +203,7 @@ static void __init cpg_mstp_clocks_init(struct device_node *np)
                         continue;
 
                 parent_name = of_clk_get_parent_name(np, i);
-                ret = of_property_read_u32_index(np, "renesas,clock-indices", i,
-                                                 &clkidx);
+                ret = of_property_read_u32_index(np, idxname, i, &clkidx);
                 if (parent_name == NULL || ret < 0)
                         break;
 
diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c
index 88dafb5e9627..de6da957a09d 100644
--- a/drivers/clk/socfpga/clk-pll.c
+++ b/drivers/clk/socfpga/clk-pll.c
@@ -20,6 +20,7 @@
 #include <linux/clk-provider.h>
 #include <linux/io.h>
 #include <linux/of.h>
+#include <linux/of_address.h>
 
 #include "clk.h"
 
@@ -43,6 +44,8 @@
 
 #define to_socfpga_clk(p) container_of(p, struct socfpga_pll, hw.hw)
 
+void __iomem *clk_mgr_base_addr;
+
 static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
                                          unsigned long parent_rate)
 {
@@ -87,6 +90,7 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node,
         const char *clk_name = node->name;
         const char *parent_name[SOCFPGA_MAX_PARENTS];
         struct clk_init_data init;
+        struct device_node *clkmgr_np;
         int rc;
         int i = 0;
 
@@ -96,6 +100,9 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node,
         if (WARN_ON(!pll_clk))
                 return NULL;
 
+        clkmgr_np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr");
+        clk_mgr_base_addr = of_iomap(clkmgr_np, 0);
+        BUG_ON(!clk_mgr_base_addr);
         pll_clk->hw.reg = clk_mgr_base_addr + reg;
 
         of_property_read_string(node, "clock-output-names", &clk_name);
diff --git a/drivers/clk/socfpga/clk.c b/drivers/clk/socfpga/clk.c
index 35a960a993f9..43db947e5f0e 100644
--- a/drivers/clk/socfpga/clk.c
+++ b/drivers/clk/socfpga/clk.c
@@ -17,28 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
-#include <linux/io.h>
 #include <linux/of.h>
-#include <linux/of_address.h>
 
 #include "clk.h"
 
-void __iomem *clk_mgr_base_addr;
-
-static const struct of_device_id socfpga_child_clocks[] __initconst = {
-        { .compatible = "altr,socfpga-pll-clock", socfpga_pll_init, },
-        { .compatible = "altr,socfpga-perip-clk", socfpga_periph_init, },
-        { .compatible = "altr,socfpga-gate-clk", socfpga_gate_init, },
-        {},
-};
-
-static void __init socfpga_clkmgr_init(struct device_node *node)
-{
-        clk_mgr_base_addr = of_iomap(node, 0);
-        of_clk_init(socfpga_child_clocks);
-}
-CLK_OF_DECLARE(socfpga_mgr, "altr,clk-mgr", socfpga_clkmgr_init);
+CLK_OF_DECLARE(socfpga_pll_clk, "altr,socfpga-pll-clock", socfpga_pll_init);
+CLK_OF_DECLARE(socfpga_perip_clk, "altr,socfpga-perip-clk", socfpga_periph_init);
+CLK_OF_DECLARE(socfpga_gate_clk, "altr,socfpga-gate-clk", socfpga_gate_init);
 
diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c
index bca0a0badbfa..a886702f7c8b 100644
--- a/drivers/clk/st/clkgen-pll.c
+++ b/drivers/clk/st/clkgen-pll.c
@@ -521,8 +521,10 @@ static struct clk * __init clkgen_odf_register(const char *parent_name,
         gate->lock = odf_lock;
 
         div = kzalloc(sizeof(*div), GFP_KERNEL);
-        if (!div)
+        if (!div) {
+                kfree(gate);
                 return ERR_PTR(-ENOMEM);
+        }
 
         div->flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO;
         div->reg = reg + pll_data->odf[odf].offset;
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 0d20241e0770..6aad8abc69a2 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -58,9 +58,9 @@
 #define PLLDU_LFCON_SET_DIVN 600
 
 #define PLLE_BASE_DIVCML_SHIFT 24
-#define PLLE_BASE_DIVCML_WIDTH 4
+#define PLLE_BASE_DIVCML_MASK 0xf
 #define PLLE_BASE_DIVP_SHIFT 16
-#define PLLE_BASE_DIVP_WIDTH 7
+#define PLLE_BASE_DIVP_WIDTH 6
 #define PLLE_BASE_DIVN_SHIFT 8
 #define PLLE_BASE_DIVN_WIDTH 8
 #define PLLE_BASE_DIVM_SHIFT 0
@@ -183,6 +183,14 @@
 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
                       mask(p->params->div_nmp->divp_width))
 
+#define divm_shift(p) (p)->params->div_nmp->divm_shift
+#define divn_shift(p) (p)->params->div_nmp->divn_shift
+#define divp_shift(p) (p)->params->div_nmp->divp_shift
+
+#define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
+#define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
+#define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
+
 #define divm_max(p) (divm_mask(p))
 #define divn_max(p) (divn_mask(p))
 #define divp_max(p) (1 << (divp_mask(p)))
@@ -476,13 +484,12 @@ static void _update_pll_mnp(struct tegra_clk_pll *pll,
         } else {
                 val = pll_readl_base(pll);
 
-                val &= ~((divm_mask(pll) << div_nmp->divm_shift) |
-                 (divn_mask(pll) << div_nmp->divn_shift) |
-                 (divp_mask(pll) << div_nmp->divp_shift));
+                val &= ~(divm_mask_shifted(pll) | divn_mask_shifted(pll) |
+                         divp_mask_shifted(pll));
 
-                val |= ((cfg->m << div_nmp->divm_shift) |
-                        (cfg->n << div_nmp->divn_shift) |
-                        (cfg->p << div_nmp->divp_shift));
+                val |= (cfg->m << divm_shift(pll)) |
+                       (cfg->n << divn_shift(pll)) |
+                       (cfg->p << divp_shift(pll));
 
                 pll_writel_base(val, pll);
         }
@@ -730,11 +737,12 @@ static int clk_plle_enable(struct clk_hw *hw)
         if (pll->params->flags & TEGRA_PLLE_CONFIGURE) {
                 /* configure dividers */
                 val = pll_readl_base(pll);
-                val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll));
-                val &= ~(PLLE_BASE_DIVCML_WIDTH << PLLE_BASE_DIVCML_SHIFT);
-                val |= sel.m << pll->params->div_nmp->divm_shift;
-                val |= sel.n << pll->params->div_nmp->divn_shift;
-                val |= sel.p << pll->params->div_nmp->divp_shift;
+                val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
+                         divm_mask_shifted(pll));
+                val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
+                val |= sel.m << divm_shift(pll);
+                val |= sel.n << divn_shift(pll);
+                val |= sel.p << divp_shift(pll);
                 val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
                 pll_writel_base(val, pll);
         }
@@ -745,10 +753,11 @@ static int clk_plle_enable(struct clk_hw *hw)
         pll_writel_misc(val, pll);
 
         val = readl(pll->clk_base + PLLE_SS_CTRL);
+        val &= ~PLLE_SS_COEFFICIENTS_MASK;
         val |= PLLE_SS_DISABLE;
         writel(val, pll->clk_base + PLLE_SS_CTRL);
 
-        val |= pll_readl_base(pll);
+        val = pll_readl_base(pll);
         val |= (PLL_BASE_BYPASS | PLL_BASE_ENABLE);
         pll_writel_base(val, pll);
 
@@ -1292,10 +1301,11 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
         pll_writel(val, PLLE_SS_CTRL, pll);
 
         val = pll_readl_base(pll);
-        val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll));
-        val &= ~(PLLE_BASE_DIVCML_WIDTH << PLLE_BASE_DIVCML_SHIFT);
-        val |= sel.m << pll->params->div_nmp->divm_shift;
-        val |= sel.n << pll->params->div_nmp->divn_shift;
+        val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
+                 divm_mask_shifted(pll));
+        val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
+        val |= sel.m << divm_shift(pll);
+        val |= sel.n << divn_shift(pll);
         val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
         pll_writel_base(val, pll);
         udelay(1);
@@ -1410,6 +1420,15 @@ struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
         return clk;
 }
 
+static struct div_nmp pll_e_nmp = {
+        .divn_shift = PLLE_BASE_DIVN_SHIFT,
+        .divn_width = PLLE_BASE_DIVN_WIDTH,
+        .divm_shift = PLLE_BASE_DIVM_SHIFT,
+        .divm_width = PLLE_BASE_DIVM_WIDTH,
+        .divp_shift = PLLE_BASE_DIVP_SHIFT,
+        .divp_width = PLLE_BASE_DIVP_WIDTH,
+};
+
 struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
                 void __iomem *clk_base, void __iomem *pmc,
                 unsigned long flags, struct tegra_clk_pll_params *pll_params,
@@ -1420,6 +1439,10 @@ struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
 
         pll_params->flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS;
         pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+
+        if (!pll_params->div_nmp)
+                pll_params->div_nmp = &pll_e_nmp;
+
         pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
         if (IS_ERR(pll))
                 return ERR_CAST(pll);
@@ -1557,9 +1580,8 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
                 int m;
 
                 m = _pll_fixed_mdiv(pll_params, parent_rate);
-                val = m << PLL_BASE_DIVM_SHIFT;
-                val |= (pll_params->vco_min / parent_rate)
-                                << PLL_BASE_DIVN_SHIFT;
+                val = m << divm_shift(pll);
+                val |= (pll_params->vco_min / parent_rate) << divn_shift(pll);
                 pll_writel_base(val, pll);
         }
 
@@ -1718,7 +1740,7 @@ struct clk *tegra_clk_register_plle_tegra114(const char *name,
                                         "pll_re_vco");
         } else {
                 val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL);
-                pll_writel(val, pll_params->aux_reg, pll);
+                pll_writel(val_aux, pll_params->aux_reg, pll);
         }
 
         clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c
index 00fdd1170284..a8d7ea14f183 100644
--- a/drivers/clocksource/tcb_clksrc.c
+++ b/drivers/clocksource/tcb_clksrc.c
@@ -100,7 +100,7 @@ static void tc_mode(enum clock_event_mode m, struct clock_event_device *d)
                         || tcd->clkevt.mode == CLOCK_EVT_MODE_ONESHOT) {
                 __raw_writel(0xff, regs + ATMEL_TC_REG(2, IDR));
                 __raw_writel(ATMEL_TC_CLKDIS, regs + ATMEL_TC_REG(2, CCR));
-                clk_disable_unprepare(tcd->clk);
+                clk_disable(tcd->clk);
         }
 
         switch (m) {
@@ -109,7 +109,7 @@ static void tc_mode(enum clock_event_mode m, struct clock_event_device *d)
          * of oneshot, we get lower overhead and improved accuracy.
          */
         case CLOCK_EVT_MODE_PERIODIC:
-                clk_prepare_enable(tcd->clk);
+                clk_enable(tcd->clk);
 
                 /* slow clock, count up to RC, then irq and restart */
                 __raw_writel(timer_clock
@@ -126,7 +126,7 @@ static void tc_mode(enum clock_event_mode m, struct clock_event_device *d)
                 break;
 
         case CLOCK_EVT_MODE_ONESHOT:
-                clk_prepare_enable(tcd->clk);
+                clk_enable(tcd->clk);
 
                 /* slow clock, count up to RC, then irq and stop */
                 __raw_writel(timer_clock | ATMEL_TC_CPCSTOP
@@ -194,7 +194,7 @@ static int __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx)
         ret = clk_prepare_enable(t2_clk);
         if (ret)
                 return ret;
-        clk_disable_unprepare(t2_clk);
+        clk_disable(t2_clk);
 
         clkevt.regs = tc->regs;
         clkevt.clk = t2_clk;
diff --git a/drivers/clocksource/timer-marco.c b/drivers/clocksource/timer-marco.c
index b52e1c078b99..7f5374dbefd9 100644
--- a/drivers/clocksource/timer-marco.c
+++ b/drivers/clocksource/timer-marco.c
@@ -199,7 +199,7 @@ static int sirfsoc_local_timer_setup(struct clock_event_device *ce)
 
         action->dev_id = ce;
         BUG_ON(setup_irq(ce->irq, action));
-        irq_set_affinity(action->irq, cpumask_of(cpu));
+        irq_force_affinity(action->irq, cpumask_of(cpu));
 
         clockevents_register_device(ce);
         return 0;
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index 1bf6bbac3e03..09b9129c7bd3 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -130,7 +130,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
                 return -ENOENT;
         }
 
-        cpu_reg = devm_regulator_get_optional(cpu_dev, "cpu0");
+        cpu_reg = regulator_get_optional(cpu_dev, "cpu0");
         if (IS_ERR(cpu_reg)) {
                 /*
                  * If cpu0 regulator supply node is present, but regulator is
@@ -145,23 +145,23 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
                         PTR_ERR(cpu_reg));
         }
 
-        cpu_clk = devm_clk_get(cpu_dev, NULL);
+        cpu_clk = clk_get(cpu_dev, NULL);
         if (IS_ERR(cpu_clk)) {
                 ret = PTR_ERR(cpu_clk);
                 pr_err("failed to get cpu0 clock: %d\n", ret);
-                goto out_put_node;
+                goto out_put_reg;
         }
 
         ret = of_init_opp_table(cpu_dev);
         if (ret) {
                 pr_err("failed to init OPP table: %d\n", ret);
-                goto out_put_node;
+                goto out_put_clk;
         }
 
         ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);
         if (ret) {
                 pr_err("failed to init cpufreq table: %d\n", ret);
-                goto out_put_node;
+                goto out_put_clk;
         }
 
         of_property_read_u32(np, "voltage-tolerance", &voltage_tolerance);
@@ -216,6 +216,12 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
 
 out_free_table:
         dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
+out_put_clk:
+        if (!IS_ERR(cpu_clk))
+                clk_put(cpu_clk);
+out_put_reg:
+        if (!IS_ERR(cpu_reg))
+                regulator_put(cpu_reg);
 out_put_node:
         of_node_put(np);
         return ret;
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index ba43991ba98a..e1c6433b16e0 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -366,6 +366,11 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                 break;
 
         case CPUFREQ_GOV_LIMITS:
+                mutex_lock(&dbs_data->mutex);
+                if (!cpu_cdbs->cur_policy) {
+                        mutex_unlock(&dbs_data->mutex);
+                        break;
+                }
                 mutex_lock(&cpu_cdbs->timer_mutex);
                 if (policy->max < cpu_cdbs->cur_policy->cur)
                         __cpufreq_driver_target(cpu_cdbs->cur_policy,
@@ -375,6 +380,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                                         policy->min, CPUFREQ_RELATION_L);
                 dbs_check_cpu(dbs_data, cpu);
                 mutex_unlock(&cpu_cdbs->timer_mutex);
+                mutex_unlock(&dbs_data->mutex);
                 break;
         }
         return 0;
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 099967302bf2..eab8ccfe6beb 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -37,6 +37,7 @@
 #define BYT_RATIOS              0x66a
 #define BYT_VIDS                0x66b
 #define BYT_TURBO_RATIOS        0x66c
+#define BYT_TURBO_VIDS          0x66d
 
 
 #define FRAC_BITS 6
@@ -70,8 +71,9 @@ struct pstate_data {
 };
 
 struct vid_data {
-        int32_t min;
-        int32_t max;
+        int min;
+        int max;
+        int turbo;
         int32_t ratio;
 };
 
@@ -359,14 +361,14 @@ static int byt_get_min_pstate(void)
 {
         u64 value;
         rdmsrl(BYT_RATIOS, value);
-        return (value >> 8) & 0xFF;
+        return (value >> 8) & 0x3F;
 }
 
 static int byt_get_max_pstate(void)
 {
         u64 value;
         rdmsrl(BYT_RATIOS, value);
-        return (value >> 16) & 0xFF;
+        return (value >> 16) & 0x3F;
 }
 
 static int byt_get_turbo_pstate(void)
@@ -393,6 +395,9 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate)
         vid_fp = clamp_t(int32_t, vid_fp, cpudata->vid.min, cpudata->vid.max);
         vid = fp_toint(vid_fp);
 
+        if (pstate > cpudata->pstate.max_pstate)
+                vid = cpudata->vid.turbo;
+
         val |= vid;
 
         wrmsrl(MSR_IA32_PERF_CTL, val);
@@ -402,13 +407,17 @@ static void byt_get_vid(struct cpudata *cpudata)
 {
         u64 value;
 
+
         rdmsrl(BYT_VIDS, value);
-        cpudata->vid.min = int_tofp((value >> 8) & 0x7f);
-        cpudata->vid.max = int_tofp((value >> 16) & 0x7f);
+        cpudata->vid.min = int_tofp((value >> 8) & 0x3f);
+        cpudata->vid.max = int_tofp((value >> 16) & 0x3f);
         cpudata->vid.ratio = div_fp(
                 cpudata->vid.max - cpudata->vid.min,
                 int_tofp(cpudata->pstate.max_pstate -
                         cpudata->pstate.min_pstate));
+
+        rdmsrl(BYT_TURBO_VIDS, value);
+        cpudata->vid.turbo = value & 0x7f;
 }
 
 
@@ -545,12 +554,7 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
 
         if (pstate_funcs.get_vid)
                 pstate_funcs.get_vid(cpu);
-
-        /*
-         * goto max pstate so we don't slow up boot if we are built-in if we are
-         * a module we will take care of it during normal operation
-         */
-        intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate);
+        intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate);
 }
 
 static inline void intel_pstate_calc_busy(struct cpudata *cpu,
@@ -695,11 +699,6 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
         cpu = all_cpu_data[cpunum];
 
         intel_pstate_get_cpu_pstates(cpu);
-        if (!cpu->pstate.current_pstate) {
-                all_cpu_data[cpunum] = NULL;
-                kfree(cpu);
-                return -ENODATA;
-        }
 
         cpu->cpu = cpunum;
 
@@ -710,7 +709,6 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
         cpu->timer.expires = jiffies + HZ/100;
         intel_pstate_busy_pid_reset(cpu);
         intel_pstate_sample(cpu);
-        intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate);
 
         add_timer_on(&cpu->timer, cpunum);
 
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 9f25f5296029..0eabd81e1a90 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -16,9 +16,13 @@
         char *tmp;                                              \
                                                                 \
         tmp = kmalloc(sizeof(format) + max_alloc, GFP_ATOMIC);  \
-        sprintf(tmp, format, param);                            \
-        strcat(str, tmp);                                       \
-        kfree(tmp);                                             \
+        if (likely(tmp)) {                                      \
+                sprintf(tmp, format, param);                    \
+                strcat(str, tmp);                               \
+                kfree(tmp);                                     \
+        } else {                                                \
+                strcat(str, "kmalloc failure in SPRINTFCAT");   \
+        }                                                       \
 }
 
 static void report_jump_idx(u32 status, char *outstr)
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index a886713937fd..d5d30ed863ce 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -1009,6 +1009,7 @@ static void dmaengine_unmap(struct kref *kref)
                 dma_unmap_page(dev, unmap->addr[i], unmap->len,
                                DMA_BIDIRECTIONAL);
         }
+        cnt = unmap->map_cnt;
         mempool_free(unmap, __get_unmap_pool(cnt)->pool);
 }
 
@@ -1074,6 +1075,7 @@ dmaengine_get_unmap_data(struct device *dev, int nr, gfp_t flags)
         memset(unmap, 0, sizeof(*unmap));
         kref_init(&unmap->kref);
         unmap->dev = dev;
+        unmap->map_cnt = nr;
 
         return unmap;
 }
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index cfdbb92aae1d..7a740769c2fa 100644
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -1548,11 +1548,6 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata)
         /* Disable BLOCK interrupts as well */
         channel_clear_bit(dw, MASK.BLOCK, dw->all_chan_mask);
 
-        err = devm_request_irq(chip->dev, chip->irq, dw_dma_interrupt,
-                               IRQF_SHARED, "dw_dmac", dw);
-        if (err)
-                return err;
-
         /* Create a pool of consistent memory blocks for hardware descriptors */
         dw->desc_pool = dmam_pool_create("dw_dmac_desc_pool", chip->dev,
                                          sizeof(struct dw_desc), 4, 0);
@@ -1563,6 +1558,11 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata)
 
         tasklet_init(&dw->tasklet, dw_dma_tasklet, (unsigned long)dw);
 
+        err = request_irq(chip->irq, dw_dma_interrupt, IRQF_SHARED,
+                          "dw_dmac", dw);
+        if (err)
+                return err;
+
         INIT_LIST_HEAD(&dw->dma.channels);
         for (i = 0; i < nr_channels; i++) {
                 struct dw_dma_chan      *dwc = &dw->chan[i];
@@ -1667,6 +1667,7 @@ int dw_dma_remove(struct dw_dma_chip *chip)
         dw_dma_off(dw);
         dma_async_device_unregister(&dw->dma);
 
+        free_irq(chip->irq, dw);
         tasklet_kill(&dw->tasklet);
 
         list_for_each_entry_safe(dwc, _dwc, &dw->dma.channels,
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 766b68ed505c..394cbc5c93e3 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -191,12 +191,10 @@ static void mv_set_mode(struct mv_xor_chan *chan,
 
 static void mv_chan_activate(struct mv_xor_chan *chan)
 {
-        u32 activation;
-
         dev_dbg(mv_chan_to_devp(chan), " activate chan.\n");
-        activation = readl_relaxed(XOR_ACTIVATION(chan));
-        activation |= 0x1;
-        writel_relaxed(activation, XOR_ACTIVATION(chan));
+
+        /* writel ensures all descriptors are flushed before activation */
+        writel(BIT(0), XOR_ACTIVATION(chan));
 }
 
 static char mv_chan_is_busy(struct mv_xor_chan *chan)
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c
index ab26d46bbe15..5ebdfbc1051e 100644
--- a/drivers/dma/sa11x0-dma.c
+++ b/drivers/dma/sa11x0-dma.c
@@ -113,11 +113,9 @@ struct sa11x0_dma_phy {
         struct sa11x0_dma_desc  *txd_load;
         unsigned                sg_done;
         struct sa11x0_dma_desc  *txd_done;
-#ifdef CONFIG_PM_SLEEP
         u32                     dbs[2];
         u32                     dbt[2];
         u32                     dcsr;
-#endif
 };
 
 struct sa11x0_dma_dev {
@@ -984,7 +982,6 @@ static int sa11x0_dma_remove(struct platform_device *pdev)
         return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int sa11x0_dma_suspend(struct device *dev)
 {
         struct sa11x0_dma_dev *d = dev_get_drvdata(dev);
@@ -1054,7 +1051,6 @@ static int sa11x0_dma_resume(struct device *dev)
 
         return 0;
 }
-#endif
 
 static const struct dev_pm_ops sa11x0_dma_pm_ops = {
         .suspend_noirq = sa11x0_dma_suspend,
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index c98764aeeec6..f477308b6e9c 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -237,8 +237,8 @@ static inline bool is_next_generation(int new_generation, int old_generation)
 
 #define LOCAL_BUS 0xffc0
 
-/* arbitrarily chosen maximum range for physical DMA: 128 TB */
-#define FW_MAX_PHYSICAL_RANGE           (128ULL << 40)
+/* OHCI-1394's default upper bound for physical DMA: 4 GB */
+#define FW_MAX_PHYSICAL_RANGE           (1ULL << 32)
 
 void fw_core_handle_request(struct fw_card *card, struct fw_packet *request);
 void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 8db663219560..586f2f7f6993 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -3716,7 +3716,7 @@ static int pci_probe(struct pci_dev *dev,
                     version >> 16, version & 0xff, ohci->card.index,
                     ohci->n_ir, ohci->n_it, ohci->quirks,
                     reg_read(ohci, OHCI1394_PhyUpperBound) ?
-                        ", >4 GB phys DMA" : "");
+                        ", physUB" : "");
 
         return 0;
 
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index 3ee852c9925b..071c2c969eec 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -756,6 +756,7 @@ static const struct {
          */
         { ACPI_SIG_IBFT },
         { "iBFT" },
+        { "BIFT" },     /* Broadcom iSCSI Offload */
 };
 
 static void __init acpi_find_ibft_region(void)
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index e73c6755a5eb..70304220a479 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -305,6 +305,8 @@ static struct ichx_desc ich6_desc = {
 
         .ngpio = 50,
         .have_blink = true,
+        .regs = ichx_regs,
+        .reglen = ichx_reglen,
 };
 
 /* Intel 3100 */
@@ -324,6 +326,8 @@ static struct ichx_desc i3100_desc = {
         .uses_gpe0 = true,
 
         .ngpio = 50,
+        .regs = ichx_regs,
+        .reglen = ichx_reglen,
 };
 
 /* ICH7 and ICH8-based */
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index 99a68310e7c0..3d53fd6880d1 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -894,9 +894,11 @@ static int mcp23s08_probe(struct spi_device *spi)
                         dev_err(&spi->dev, "invalid spi-present-mask\n");
                         return -ENODEV;
                 }
-
-                for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++)
+                for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) {
+                        if ((spi_present_mask & (1 << addr)))
+                                chips++;
                         pullups[addr] = 0;
+                }
         } else {
                 type = spi_get_device_id(spi)->driver_data;
                 pdata = dev_get_platdata(&spi->dev);
@@ -919,12 +921,12 @@ static int mcp23s08_probe(struct spi_device *spi)
                         pullups[addr] = pdata->chip[addr].pullups;
                 }
 
-                if (!chips)
-                        return -ENODEV;
-
                 base = pdata->base;
         }
 
+        if (!chips)
+                return -ENODEV;
+
         data = kzalloc(sizeof(*data) + chips * sizeof(struct mcp23s08),
                         GFP_KERNEL);
         if (!data)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 96177eec0a0e..eedb023af27d 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1833,7 +1833,6 @@ int i915_driver_unload(struct drm_device *dev)
                 flush_workqueue(dev_priv->wq);
 
                 mutex_lock(&dev->struct_mutex);
-                i915_gem_free_all_phys_object(dev);
                 i915_gem_cleanup_ringbuffer(dev);
                 i915_gem_context_fini(dev);
                 WARN_ON(dev_priv->mm.aliasing_ppgtt);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 108e1ec2fa4b..388c028e223c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -242,18 +242,6 @@ struct intel_ddi_plls {
 #define WATCH_LISTS     0
 #define WATCH_GTT       0
 
-#define I915_GEM_PHYS_CURSOR_0 1
-#define I915_GEM_PHYS_CURSOR_1 2
-#define I915_GEM_PHYS_OVERLAY_REGS 3
-#define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
-
-struct drm_i915_gem_phys_object {
-        int id;
-        struct page **page_list;
-        drm_dma_handle_t *handle;
-        struct drm_i915_gem_object *cur_obj;
-};
-
 struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
@@ -1187,9 +1175,6 @@ struct i915_gem_mm {
         /** Bit 6 swizzling required for Y tiling */
         uint32_t bit_6_swizzle_y;
 
-        /* storage for physical objects */
-        struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
-
         /* accounting, useful for userland debugging */
         spinlock_t object_stat_lock;
         size_t object_memory;
@@ -1769,7 +1754,7 @@ struct drm_i915_gem_object {
         struct drm_file *pin_filp;
 
         /** for phy allocated objects */
-        struct drm_i915_gem_phys_object *phys_obj;
+        drm_dma_handle_t *phys_handle;
 };
 
 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
@@ -2204,10 +2189,12 @@ void i915_gem_vma_destroy(struct i915_vma *vma);
 #define PIN_MAPPABLE 0x1
 #define PIN_NONBLOCK 0x2
 #define PIN_GLOBAL 0x4
+#define PIN_OFFSET_BIAS 0x8
+#define PIN_OFFSET_MASK (~4095)
 int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
                                      struct i915_address_space *vm,
                                      uint32_t alignment,
-                                     unsigned flags);
+                                     uint64_t flags);
 int __must_check i915_vma_unbind(struct i915_vma *vma);
 int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
 void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
@@ -2334,13 +2321,8 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
                                      u32 alignment,
                                      struct intel_ring_buffer *pipelined);
 void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj);
-int i915_gem_attach_phys_object(struct drm_device *dev,
-                                struct drm_i915_gem_object *obj,
-                                int id,
+int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
                                 int align);
-void i915_gem_detach_phys_object(struct drm_device *dev,
-                                 struct drm_i915_gem_object *obj);
-void i915_gem_free_all_phys_object(struct drm_device *dev);
 int i915_gem_open(struct drm_device *dev, struct drm_file *file);
 void i915_gem_release(struct drm_device *dev, struct drm_file *file);
 
@@ -2465,6 +2447,8 @@ int __must_check i915_gem_evict_something(struct drm_device *dev,
                                           int min_size,
                                           unsigned alignment,
                                           unsigned cache_level,
+                                          unsigned long start,
+                                          unsigned long end,
                                           unsigned flags);
 int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
 int i915_gem_evict_everything(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 2871ce75f438..3326770c9ed2 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -43,10 +43,6 @@ static void i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *o
 static __must_check int
 i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
                                bool readonly);
-static int i915_gem_phys_pwrite(struct drm_device *dev,
-                                struct drm_i915_gem_object *obj,
-                                struct drm_i915_gem_pwrite *args,
-                                struct drm_file *file);
 
 static void i915_gem_write_fence(struct drm_device *dev, int reg,
                                  struct drm_i915_gem_object *obj);
@@ -209,6 +205,128 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
         return 0;
 }
 
+static void i915_gem_object_detach_phys(struct drm_i915_gem_object *obj)
+{
+        drm_dma_handle_t *phys = obj->phys_handle;
+
+        if (!phys)
+                return;
+
+        if (obj->madv == I915_MADV_WILLNEED) {
+                struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
+                char *vaddr = phys->vaddr;
+                int i;
+
+                for (i = 0; i < obj->base.size / PAGE_SIZE; i++) {
+                        struct page *page = shmem_read_mapping_page(mapping, i);
+                        if (!IS_ERR(page)) {
+                                char *dst = kmap_atomic(page);
+                                memcpy(dst, vaddr, PAGE_SIZE);
+                                drm_clflush_virt_range(dst, PAGE_SIZE);
+                                kunmap_atomic(dst);
+
+                                set_page_dirty(page);
+                                mark_page_accessed(page);
+                                page_cache_release(page);
+                        }
+                        vaddr += PAGE_SIZE;
+                }
+                i915_gem_chipset_flush(obj->base.dev);
+        }
+
+#ifdef CONFIG_X86
+        set_memory_wb((unsigned long)phys->vaddr, phys->size / PAGE_SIZE);
+#endif
+        drm_pci_free(obj->base.dev, phys);
+        obj->phys_handle = NULL;
+}
+
+int
+i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
+                            int align)
+{
+        drm_dma_handle_t *phys;
+        struct address_space *mapping;
+        char *vaddr;
+        int i;
+
+        if (obj->phys_handle) {
+                if ((unsigned long)obj->phys_handle->vaddr & (align -1))
+                        return -EBUSY;
+
+                return 0;
+        }
+
+        if (obj->madv != I915_MADV_WILLNEED)
+                return -EFAULT;
+
+        if (obj->base.filp == NULL)
+                return -EINVAL;
+
+        /* create a new object */
+        phys = drm_pci_alloc(obj->base.dev, obj->base.size, align);
+        if (!phys)
+                return -ENOMEM;
+
+        vaddr = phys->vaddr;
+#ifdef CONFIG_X86
+        set_memory_wc((unsigned long)vaddr, phys->size / PAGE_SIZE);
+#endif
+        mapping = file_inode(obj->base.filp)->i_mapping;
+        for (i = 0; i < obj->base.size / PAGE_SIZE; i++) {
+                struct page *page;
+                char *src;
+
+                page = shmem_read_mapping_page(mapping, i);
+                if (IS_ERR(page)) {
+#ifdef CONFIG_X86
+                        set_memory_wb((unsigned long)phys->vaddr, phys->size / PAGE_SIZE);
+#endif
+                        drm_pci_free(obj->base.dev, phys);
+                        return PTR_ERR(page);
+                }
+
+                src = kmap_atomic(page);
+                memcpy(vaddr, src, PAGE_SIZE);
+                kunmap_atomic(src);
+
+                mark_page_accessed(page);
+                page_cache_release(page);
+
+                vaddr += PAGE_SIZE;
+        }
+
+        obj->phys_handle = phys;
+        return 0;
+}
+
+static int
+i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
+                     struct drm_i915_gem_pwrite *args,
+                     struct drm_file *file_priv)
+{
+        struct drm_device *dev = obj->base.dev;
+        void *vaddr = obj->phys_handle->vaddr + args->offset;
+        char __user *user_data = to_user_ptr(args->data_ptr);
+
+        if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) {
+                unsigned long unwritten;
+
+                /* The physical object once assigned is fixed for the lifetime
+                 * of the obj, so we can safely drop the lock and continue
+                 * to access vaddr.
+                 */
+                mutex_unlock(&dev->struct_mutex);
+                unwritten = copy_from_user(vaddr, user_data, args->size);
+                mutex_lock(&dev->struct_mutex);
+                if (unwritten)
+                        return -EFAULT;
+        }
+
+        i915_gem_chipset_flush(dev);
+        return 0;
+}
+
 void *i915_gem_object_alloc(struct drm_device *dev)
 {
         struct drm_i915_private *dev_priv = dev->dev_private;
@@ -921,8 +1039,8 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
          * pread/pwrite currently are reading and writing from the CPU
          * perspective, requiring manual detiling by the client.
          */
-        if (obj->phys_obj) {
-                ret = i915_gem_phys_pwrite(dev, obj, args, file);
+        if (obj->phys_handle) {
+                ret = i915_gem_phys_pwrite(obj, args, file);
                 goto out;
         }
 
@@ -3208,12 +3326,14 @@ static struct i915_vma *
 i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
                            struct i915_address_space *vm,
                            unsigned alignment,
-                           unsigned flags)
+                           uint64_t flags)
 {
         struct drm_device *dev = obj->base.dev;
         struct drm_i915_private *dev_priv = dev->dev_private;
         u32 size, fence_size, fence_alignment, unfenced_alignment;
-        size_t gtt_max =
+        unsigned long start =
+                flags & PIN_OFFSET_BIAS ? flags & PIN_OFFSET_MASK : 0;
+        unsigned long end =
                 flags & PIN_MAPPABLE ? dev_priv->gtt.mappable_end : vm->total;
         struct i915_vma *vma;
         int ret;
@@ -3242,11 +3362,11 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
         /* If the object is bigger than the entire aperture, reject it early
          * before evicting everything in a vain attempt to find space.
          */
-        if (obj->base.size > gtt_max) {
-                DRM_DEBUG("Attempting to bind an object larger than the aperture: object=%zd > %s aperture=%zu\n",
+        if (obj->base.size > end) {
+                DRM_DEBUG("Attempting to bind an object larger than the aperture: object=%zd > %s aperture=%lu\n",
                           obj->base.size,
                           flags & PIN_MAPPABLE ? "mappable" : "total",
-                          gtt_max);
+                          end);
                 return ERR_PTR(-E2BIG);
         }
 
@@ -3263,12 +3383,15 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
 search_free:
         ret = drm_mm_insert_node_in_range_generic(&vm->mm, &vma->node,
                                                   size, alignment,
-                                                  obj->cache_level, 0, gtt_max,
+                                                  obj->cache_level,
+                                                  start, end,
                                                   DRM_MM_SEARCH_DEFAULT,
                                                   DRM_MM_CREATE_DEFAULT);
         if (ret) {
                 ret = i915_gem_evict_something(dev, vm, size, alignment,
-                                               obj->cache_level, flags);
+                                               obj->cache_level,
+                                               start, end,
+                                               flags);
                 if (ret == 0)
                         goto search_free;
 
@@ -3828,11 +3951,30 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file)
         return ret;
 }
 
+static bool
+i915_vma_misplaced(struct i915_vma *vma, uint32_t alignment, uint64_t flags)
+{
+        struct drm_i915_gem_object *obj = vma->obj;
+
+        if (alignment &&
+            vma->node.start & (alignment - 1))
+                return true;
+
+        if (flags & PIN_MAPPABLE && !obj->map_and_fenceable)
+                return true;
+
+        if (flags & PIN_OFFSET_BIAS &&
+            vma->node.start < (flags & PIN_OFFSET_MASK))
+                return true;
+
+        return false;
+}
+
 int
 i915_gem_object_pin(struct drm_i915_gem_object *obj,
                     struct i915_address_space *vm,
                     uint32_t alignment,
-                    unsigned flags)
+                    uint64_t flags)
 {
         struct i915_vma *vma;
         int ret;
@@ -3845,15 +3987,13 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
                 if (WARN_ON(vma->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
                         return -EBUSY;
 
-                if ((alignment &&
-                     vma->node.start & (alignment - 1)) ||
-                    (flags & PIN_MAPPABLE && !obj->map_and_fenceable)) {
+                if (i915_vma_misplaced(vma, alignment, flags)) {
                         WARN(vma->pin_count,
                              "bo is already pinned with incorrect alignment:"
                              " offset=%lx, req.alignment=%x, req.map_and_fenceable=%d,"
                              " obj->map_and_fenceable=%d\n",
                              i915_gem_obj_offset(obj, vm), alignment,
-                             flags & PIN_MAPPABLE,
+                             !!(flags & PIN_MAPPABLE),
                              obj->map_and_fenceable);
                         ret = i915_vma_unbind(vma);
                         if (ret)
@@ -4163,9 +4303,6 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj)
 
         trace_i915_gem_object_destroy(obj);
 
-        if (obj->phys_obj)
-                i915_gem_detach_phys_object(dev, obj);
-
         list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) {
                 int ret;
 
@@ -4183,6 +4320,8 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj)
                 }
         }
 
+        i915_gem_object_detach_phys(obj);
+
         /* Stolen objects don't hold a ref, but do hold pin count. Fix that up
          * before progressing. */
         if (obj->stolen)
@@ -4646,190 +4785,6 @@ i915_gem_load(struct drm_device *dev)
         register_shrinker(&dev_priv->mm.inactive_shrinker);
 }
 
-/*
- * Create a physically contiguous memory object for this object
- * e.g. for cursor + overlay regs
- */
-static int i915_gem_init_phys_object(struct drm_device *dev,
-                                     int id, int size, int align)
-{
-        struct drm_i915_private *dev_priv = dev->dev_private;
-        struct drm_i915_gem_phys_object *phys_obj;
-        int ret;
-
-        if (dev_priv->mm.phys_objs[id - 1] || !size)
-                return 0;
-
-        phys_obj = kzalloc(sizeof(*phys_obj), GFP_KERNEL);
-        if (!phys_obj)
-                return -ENOMEM;
-
-        phys_obj->id = id;
-
-        phys_obj->handle = drm_pci_alloc(dev, size, align);
-        if (!phys_obj->handle) {
-                ret = -ENOMEM;
-                goto kfree_obj;
-        }
-#ifdef CONFIG_X86
-        set_memory_wc((unsigned long)phys_obj->handle->vaddr, phys_obj->handle->size / PAGE_SIZE);
-#endif
-
-        dev_priv->mm.phys_objs[id - 1] = phys_obj;
-
-        return 0;
-kfree_obj:
-        kfree(phys_obj);
-        return ret;
-}
-
-static void i915_gem_free_phys_object(struct drm_device *dev, int id)
-{
-        struct drm_i915_private *dev_priv = dev->dev_private;
-        struct drm_i915_gem_phys_object *phys_obj;
-
-        if (!dev_priv->mm.phys_objs[id - 1])
-                return;
-
-        phys_obj = dev_priv->mm.phys_objs[id - 1];
-        if (phys_obj->cur_obj) {
-                i915_gem_detach_phys_object(dev, phys_obj->cur_obj);
-        }
-
-#ifdef CONFIG_X86
-        set_memory_wb((unsigned long)phys_obj->handle->vaddr, phys_obj->handle->size / PAGE_SIZE);
-#endif
-        drm_pci_free(dev, phys_obj->handle);
-        kfree(phys_obj);
-        dev_priv->mm.phys_objs[id - 1] = NULL;
-}
-
-void i915_gem_free_all_phys_object(struct drm_device *dev)
-{
-        int i;
-
-        for (i = I915_GEM_PHYS_CURSOR_0; i <= I915_MAX_PHYS_OBJECT; i++)
-                i915_gem_free_phys_object(dev, i);
-}
-
-void i915_gem_detach_phys_object(struct drm_device *dev,
-                                 struct drm_i915_gem_object *obj)
-{
-        struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
-        char *vaddr;
-        int i;
-        int page_count;
-
-        if (!obj->phys_obj)
-                return;
-        vaddr = obj->phys_obj->handle->vaddr;
-
-        page_count = obj->base.size / PAGE_SIZE;
-        for (i = 0; i < page_count; i++) {
-                struct page *page = shmem_read_mapping_page(mapping, i);
-                if (!IS_ERR(page)) {
-                        char *dst = kmap_atomic(page);
-                        memcpy(dst, vaddr + i*PAGE_SIZE, PAGE_SIZE);
-                        kunmap_atomic(dst);
-
-                        drm_clflush_pages(&page, 1);
-
-                        set_page_dirty(page);
-                        mark_page_accessed(page);
-                        page_cache_release(page);
-                }
-        }
-        i915_gem_chipset_flush(dev);
-
-        obj->phys_obj->cur_obj = NULL;
-        obj->phys_obj = NULL;
-}
-
-int
-i915_gem_attach_phys_object(struct drm_device *dev,
-                            struct drm_i915_gem_object *obj,
-                            int id,
-                            int align)
-{
-        struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
-        struct drm_i915_private *dev_priv = dev->dev_private;
-        int ret = 0;
-        int page_count;
-        int i;
-
-        if (id > I915_MAX_PHYS_OBJECT)
-                return -EINVAL;
-
-        if (obj->phys_obj) {
-                if (obj->phys_obj->id == id)
-                        return 0;
-                i915_gem_detach_phys_object(dev, obj);
-        }
-
-        /* create a new object */
-        if (!dev_priv->mm.phys_objs[id - 1]) {
-                ret = i915_gem_init_phys_object(dev, id,
-                                                obj->base.size, align);
-                if (ret) {
-                        DRM_ERROR("failed to init phys object %d size: %zu\n",
-                                  id, obj->base.size);
-                        return ret;
-                }
-        }
-
-        /* bind to the object */
-        obj->phys_obj = dev_priv->mm.phys_objs[id - 1];
-        obj->phys_obj->cur_obj = obj;
-
-        page_count = obj->base.size / PAGE_SIZE;
-
-        for (i = 0; i < page_count; i++) {
-                struct page *page;
-                char *dst, *src;
-
-                page = shmem_read_mapping_page(mapping, i);
-                if (IS_ERR(page))
-                        return PTR_ERR(page);
-
-                src = kmap_atomic(page);
-                dst = obj->phys_obj->handle->vaddr + (i * PAGE_SIZE);
-                memcpy(dst, src, PAGE_SIZE);
-                kunmap_atomic(src);
-
-                mark_page_accessed(page);
-                page_cache_release(page);
-        }
-
-        return 0;
-}
-
-static int
-i915_gem_phys_pwrite(struct drm_device *dev,
-                     struct drm_i915_gem_object *obj,
-                     struct drm_i915_gem_pwrite *args,
-                     struct drm_file *file_priv)
-{
-        void *vaddr = obj->phys_obj->handle->vaddr + args->offset;
-        char __user *user_data = to_user_ptr(args->data_ptr);
-
-        if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) {
-                unsigned long unwritten;
-
-                /* The physical object once assigned is fixed for the lifetime
-                 * of the obj, so we can safely drop the lock and continue
-                 * to access vaddr.
-                 */
-                mutex_unlock(&dev->struct_mutex);
-                unwritten = copy_from_user(vaddr, user_data, args->size);
-                mutex_lock(&dev->struct_mutex);
-                if (unwritten)
-                        return -EFAULT;
-        }
-
-        i915_gem_chipset_flush(dev);
-        return 0;
-}
-
 void i915_gem_release(struct drm_device *dev, struct drm_file *file)
 {
         struct drm_i915_file_private *file_priv = file->driver_priv;
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 75fca63dc8c1..bbf4b12d842e 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -68,9 +68,9 @@ mark_free(struct i915_vma *vma, struct list_head *unwind)
 int
 i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm,
                          int min_size, unsigned alignment, unsigned cache_level,
+                         unsigned long start, unsigned long end,
                          unsigned flags)
 {
-        struct drm_i915_private *dev_priv = dev->dev_private;
         struct list_head eviction_list, unwind_list;
         struct i915_vma *vma;
         int ret = 0;
@@ -102,11 +102,10 @@ i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm,
          */
 
         INIT_LIST_HEAD(&unwind_list);
-        if (flags & PIN_MAPPABLE) {
-                BUG_ON(!i915_is_ggtt(vm));
+        if (start != 0 || end != vm->total) {
                 drm_mm_init_scan_with_range(&vm->mm, min_size,
-                                            alignment, cache_level, 0,
-                                            dev_priv->gtt.mappable_end);
+                                            alignment, cache_level,
+                                            start, end);
         } else
                 drm_mm_init_scan(&vm->mm, min_size, alignment, cache_level);
 
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 2c9d9cbaf653..20fef6c50267 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -35,6 +35,9 @@
 
 #define  __EXEC_OBJECT_HAS_PIN (1<<31)
 #define  __EXEC_OBJECT_HAS_FENCE (1<<30)
+#define  __EXEC_OBJECT_NEEDS_BIAS (1<<28)
+
+#define BATCH_OFFSET_BIAS (256*1024)
 
 struct eb_vmas {
         struct list_head vmas;
@@ -545,7 +548,7 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
         struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
         bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
         bool need_fence;
-        unsigned flags;
+        uint64_t flags;
         int ret;
 
         flags = 0;
@@ -559,6 +562,8 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
 
         if (entry->flags & EXEC_OBJECT_NEEDS_GTT)
                 flags |= PIN_GLOBAL;
+        if (entry->flags & __EXEC_OBJECT_NEEDS_BIAS)
+                flags |= BATCH_OFFSET_BIAS | PIN_OFFSET_BIAS;
 
         ret = i915_gem_object_pin(obj, vma->vm, entry->alignment, flags);
         if (ret)
@@ -592,6 +597,36 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
         return 0;
 }
 
+static bool
+eb_vma_misplaced(struct i915_vma *vma, bool has_fenced_gpu_access)
+{
+        struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
+        struct drm_i915_gem_object *obj = vma->obj;
+        bool need_fence, need_mappable;
+
+        need_fence =
+                has_fenced_gpu_access &&
+                entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
+                obj->tiling_mode != I915_TILING_NONE;
+        need_mappable = need_fence || need_reloc_mappable(vma);
+
+        WARN_ON((need_mappable || need_fence) &&
+               !i915_is_ggtt(vma->vm));
+
+        if (entry->alignment &&
+            vma->node.start & (entry->alignment - 1))
+                return true;
+
+        if (need_mappable && !obj->map_and_fenceable)
+                return true;
+
+        if (entry->flags & __EXEC_OBJECT_NEEDS_BIAS &&
+            vma->node.start < BATCH_OFFSET_BIAS)
+                return true;
+
+        return false;
+}
+
 static int
 i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
                             struct list_head *vmas,
@@ -653,26 +688,10 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
 
                 /* Unbind any ill-fitting objects or pin. */
                 list_for_each_entry(vma, vmas, exec_list) {
-                        struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
-                        bool need_fence, need_mappable;
-
-                        obj = vma->obj;
-
                         if (!drm_mm_node_allocated(&vma->node))
                                 continue;
 
-                        need_fence =
-                                has_fenced_gpu_access &&
-                                entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
-                                obj->tiling_mode != I915_TILING_NONE;
-                        need_mappable = need_fence || need_reloc_mappable(vma);
-
-                        WARN_ON((need_mappable || need_fence) &&
-                               !i915_is_ggtt(vma->vm));
-
-                        if ((entry->alignment &&
-                             vma->node.start & (entry->alignment - 1)) ||
-                            (need_mappable && !obj->map_and_fenceable))
+                        if (eb_vma_misplaced(vma, has_fenced_gpu_access))
                                 ret = i915_vma_unbind(vma);
                         else
                                 ret = i915_gem_execbuffer_reserve_vma(vma, ring, need_relocs);
@@ -773,9 +792,9 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
                  * relocations were valid.
                  */
                 for (j = 0; j < exec[i].relocation_count; j++) {
-                        if (copy_to_user(&user_relocs[j].presumed_offset,
-                                         &invalid_offset,
-                                         sizeof(invalid_offset))) {
+                        if (__copy_to_user(&user_relocs[j].presumed_offset,
+                                           &invalid_offset,
+                                           sizeof(invalid_offset))) {
                                 ret = -EFAULT;
                                 mutex_lock(&dev->struct_mutex);
                                 goto err;
@@ -999,6 +1018,25 @@ i915_reset_gen7_sol_offsets(struct drm_device *dev,
         return 0;
 }
 
+static struct drm_i915_gem_object *
+eb_get_batch(struct eb_vmas *eb)
+{
+        struct i915_vma *vma = list_entry(eb->vmas.prev, typeof(*vma), exec_list);
+
+        /*
+         * SNA is doing fancy tricks with compressing batch buffers, which leads
+         * to negative relocation deltas. Usually that works out ok since the
+         * relocate address is still positive, except when the batch is placed
+         * very low in the GTT. Ensure this doesn't happen.
+         *
+         * Note that actual hangs have only been observed on gen7, but for
+         * paranoia do it everywhere.
+         */
+        vma->exec_entry->flags |= __EXEC_OBJECT_NEEDS_BIAS;
+
+        return vma->obj;
+}
+
 static int
 i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                        struct drm_file *file,
@@ -1153,7 +1191,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                 goto err;
 
         /* take note of the batch buffer before we might reorder the lists */
-        batch_obj = list_entry(eb->vmas.prev, struct i915_vma, exec_list)->obj;
+        batch_obj = eb_get_batch(eb);
 
         /* Move the objects en-masse into the GTT, evicting if necessary. */
         need_relocs = (args->flags & I915_EXEC_NO_RELOC) == 0;
@@ -1355,18 +1393,21 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 
         ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list);
         if (!ret) {
+                struct drm_i915_gem_exec_object __user *user_exec_list =
+                        to_user_ptr(args->buffers_ptr);
+
                 /* Copy the new buffer offsets back to the user's exec list. */
-                for (i = 0; i < args->buffer_count; i++)
-                        exec_list[i].offset = exec2_list[i].offset;
-                /* ... and back out to userspace */
-                ret = copy_to_user(to_user_ptr(args->buffers_ptr),
-                                   exec_list,
-                                   sizeof(*exec_list) * args->buffer_count);
-                if (ret) {
-                        ret = -EFAULT;
-                        DRM_DEBUG("failed to copy %d exec entries "
-                                  "back to user (%d)\n",
-                                  args->buffer_count, ret);
+                for (i = 0; i < args->buffer_count; i++) {
+                        ret = __copy_to_user(&user_exec_list[i].offset,
+                                             &exec2_list[i].offset,
+                                             sizeof(user_exec_list[i].offset));
+                        if (ret) {
+                                ret = -EFAULT;
+                                DRM_DEBUG("failed to copy %d exec entries "
+                                          "back to user (%d)\n",
+                                          args->buffer_count, ret);
+                                break;
+                        }
                 }
         }
 
@@ -1412,14 +1453,21 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
         ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list);
         if (!ret) {
                 /* Copy the new buffer offsets back to the user's exec list. */
-                ret = copy_to_user(to_user_ptr(args->buffers_ptr),
-                                   exec2_list,
-                                   sizeof(*exec2_list) * args->buffer_count);
-                if (ret) {
-                        ret = -EFAULT;
-                        DRM_DEBUG("failed to copy %d exec entries "
-                                  "back to user (%d)\n",
-                                  args->buffer_count, ret);
+                struct drm_i915_gem_exec_object2 *user_exec_list =
+                                   to_user_ptr(args->buffers_ptr);
+                int i;
+
+                for (i = 0; i < args->buffer_count; i++) {
+                        ret = __copy_to_user(&user_exec_list[i].offset,
+                                             &exec2_list[i].offset,
+                                             sizeof(user_exec_list[i].offset));
+                        if (ret) {
+                                ret = -EFAULT;
+                                DRM_DEBUG("failed to copy %d exec entries "
+                                          "back to user\n",
+                                          args->buffer_count);
+                                break;
+                        }
                 }
         }
 
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 154b0f8bb88d..5deb22864c52 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1089,7 +1089,9 @@ alloc:
         if (ret == -ENOSPC && !retried) {
                 ret = i915_gem_evict_something(dev, &dev_priv->gtt.base,
                                                GEN6_PD_SIZE, GEN6_PD_ALIGN,
-                                               I915_CACHE_NONE, 0);
+                                               I915_CACHE_NONE,
+                                               0, dev_priv->gtt.base.total,
+                                               0);
                 if (ret)
                         return ret;
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 48aa516a1ac0..5b60e25baa32 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7825,14 +7825,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
                 addr = i915_gem_obj_ggtt_offset(obj);
         } else {
                 int align = IS_I830(dev) ? 16 * 1024 : 256;
-                ret = i915_gem_attach_phys_object(dev, obj,
-                                                  (intel_crtc->pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1,
-                                                  align);
+                ret = i915_gem_object_attach_phys(obj, align);
                 if (ret) {
                         DRM_DEBUG_KMS("failed to attach phys object\n");
                         goto fail_locked;
                 }
-                addr = obj->phys_obj->handle->busaddr;
+                addr = obj->phys_handle->busaddr;
         }
 
         if (IS_GEN2(dev))
@@ -7840,10 +7838,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 
  finish:
         if (intel_crtc->cursor_bo) {
-                if (INTEL_INFO(dev)->cursor_needs_physical) {
-                        if (intel_crtc->cursor_bo != obj)
-                                i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo);
-                } else
+                if (!INTEL_INFO(dev)->cursor_needs_physical)
                         i915_gem_object_unpin_from_display_plane(intel_crtc->cursor_bo);
                 drm_gem_object_unreference(&intel_crtc->cursor_bo->base);
         }
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index d8adc9104dca..129db0c7d835 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -193,7 +193,7 @@ intel_overlay_map_regs(struct intel_overlay *overlay)
         struct overlay_registers __iomem *regs;
 
         if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
-                regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_obj->handle->vaddr;
+                regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr;
         else
                 regs = io_mapping_map_wc(dev_priv->gtt.mappable,
                                          i915_gem_obj_ggtt_offset(overlay->reg_bo));
@@ -1340,14 +1340,12 @@ void intel_setup_overlay(struct drm_device *dev)
         overlay->reg_bo = reg_bo;
 
         if (OVERLAY_NEEDS_PHYSICAL(dev)) {
-                ret = i915_gem_attach_phys_object(dev, reg_bo,
-                                                  I915_GEM_PHYS_OVERLAY_REGS,
-                                                  PAGE_SIZE);
+                ret = i915_gem_object_attach_phys(reg_bo, PAGE_SIZE);
                 if (ret) {
                         DRM_ERROR("failed to attach phys overlay regs\n");
                         goto out_free_bo;
                 }
-                overlay->flip_addr = reg_bo->phys_obj->handle->busaddr;
+                overlay->flip_addr = reg_bo->phys_handle->busaddr;
         } else {
                 ret = i915_gem_obj_ggtt_pin(reg_bo, PAGE_SIZE, PIN_MAPPABLE);
                 if (ret) {
@@ -1428,7 +1426,7 @@ intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
                 /* Cast to make sparse happy, but it's wc memory anyway, so
                  * equivalent to the wc io mapping on X86. */
                 regs = (struct overlay_registers __iomem *)
-                        overlay->reg_bo->phys_obj->handle->vaddr;
+                        overlay->reg_bo->phys_handle->vaddr;
         else
                 regs = io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
                                                 i915_gem_obj_ggtt_offset(overlay->reg_bo));
@@ -1462,7 +1460,7 @@ intel_overlay_capture_error_state(struct drm_device *dev)
         error->dovsta = I915_READ(DOVSTA);
         error->isr = I915_READ(ISR);
         if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
-                error->base = (__force long)overlay->reg_bo->phys_obj->handle->vaddr;
+                error->base = (__force long)overlay->reg_bo->phys_handle->vaddr;
         else
                 error->base = i915_gem_obj_ggtt_offset(overlay->reg_bo);
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 7762665ad8fd..876de9ac3793 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -1009,7 +1009,7 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id,
         }
 
         if (outp == 8)
-                return false;
+                return conf;
 
         data = exec_lookup(priv, head, outp, ctrl, dcb, &ver, &hdr, &cnt, &len, &info1);
         if (data == 0x0000)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c
index 43fec17ea540..bbf117be572f 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c
@@ -40,6 +40,7 @@ pwm_info(struct nouveau_therm *therm, int line)
                 case 0x00: return 2;
                 case 0x19: return 1;
                 case 0x1c: return 0;
+                case 0x1e: return 2;
                 default:
                         break;
                 }
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 68528619834a..8149e7cf4303 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1642,6 +1642,7 @@ struct radeon_vce {
         unsigned                fb_version;
         atomic_t                handles[RADEON_MAX_VCE_HANDLES];
         struct drm_file         *filp[RADEON_MAX_VCE_HANDLES];
+        unsigned                img_size[RADEON_MAX_VCE_HANDLES];
         struct delayed_work     idle_work;
 };
 
@@ -1655,7 +1656,7 @@ int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
                                uint32_t handle, struct radeon_fence **fence);
 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
 void radeon_vce_note_usage(struct radeon_device *rdev);
-int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi);
+int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
                                struct radeon_ring *ring,
@@ -2640,7 +2641,8 @@ void r100_pll_errata_after_index(struct radeon_device *rdev);
 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
 #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
 #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
-#define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI))
+#define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
+                             (rdev->family == CHIP_MULLINS))
 
 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
                               (rdev->ddev->pdev->device == 0x6850) || \
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index b3633d9a5317..9ab30976287d 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -196,6 +196,20 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev)
                 }
         }
 
+        if (!found) {
+                while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
+                        dhandle = ACPI_HANDLE(&pdev->dev);
+                        if (!dhandle)
+                                continue;
+
+                        status = acpi_get_handle(dhandle, "ATRM", &atrm_handle);
+                        if (!ACPI_FAILURE(status)) {
+                                found = true;
+                                break;
+                        }
+                }
+        }
+
         if (!found)
                 return false;
 
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 2b6e0ebcc13a..41ecf8a60611 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -152,6 +152,12 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
                         uint32_t domain = r->write_domain ?
                                 r->write_domain : r->read_domains;
 
+                        if (domain & RADEON_GEM_DOMAIN_CPU) {
+                                DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid "
+                                          "for command submission\n");
+                                return -EINVAL;
+                        }
+
                         p->relocs[i].domain = domain;
                         if (domain == RADEON_GEM_DOMAIN_VRAM)
                                 domain |= RADEON_GEM_DOMAIN_GTT;
@@ -342,10 +348,17 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
                         return -EINVAL;
 
                 /* we only support VM on some SI+ rings */
-                if ((p->rdev->asic->ring[p->ring]->cs_parse == NULL) &&
-                   ((p->cs_flags & RADEON_CS_USE_VM) == 0)) {
-                        DRM_ERROR("Ring %d requires VM!\n", p->ring);
-                        return -EINVAL;
+                if ((p->cs_flags & RADEON_CS_USE_VM) == 0) {
+                        if (p->rdev->asic->ring[p->ring]->cs_parse == NULL) {
+                                DRM_ERROR("Ring %d requires VM!\n", p->ring);
+                                return -EINVAL;
+                        }
+                } else {
+                        if (p->rdev->asic->ring[p->ring]->ib_parse == NULL) {
+                                DRM_ERROR("VM not supported on ring %d!\n",
+                                          p->ring);
+                                return -EINVAL;
+                        }
                 }
         }
 
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 0e770bbf7e29..14671406212f 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1533,11 +1533,6 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
 
         radeon_restore_bios_scratch_regs(rdev);
 
-        if (fbcon) {
-                radeon_fbdev_set_suspend(rdev, 0);
-                console_unlock();
-        }
-
         /* init dig PHYs, disp eng pll */
         if (rdev->is_atom_bios) {
                 radeon_atom_encoder_init(rdev);
@@ -1562,6 +1557,12 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
         }
 
         drm_kms_helper_poll_enable(dev);
+
+        if (fbcon) {
+                radeon_fbdev_set_suspend(rdev, 0);
+                console_unlock();
+        }
+
         return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 408b6ac53f0b..356b733caafe 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -862,7 +862,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div,
                                  unsigned *fb_div, unsigned *ref_div)
 {
         /* limit reference * post divider to a maximum */
-        ref_div_max = min(128 / post_div, ref_div_max);
+        ref_div_max = max(min(100 / post_div, ref_div_max), 1u);
 
         /* get matching reference and feedback divider */
         *ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max);
@@ -999,7 +999,7 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
 
         /* avoid high jitter with small fractional dividers */
         if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV && (fb_div % 10)) {
-                fb_div_min = max(fb_div_min, (9 - (fb_div % 10)) * 20 + 60);
+                fb_div_min = max(fb_div_min, (9 - (fb_div % 10)) * 20 + 50);
                 if (fb_div < fb_div_min) {
                         unsigned tmp = DIV_ROUND_UP(fb_div_min, fb_div);
                         fb_div *= tmp;
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 0cc47f12d995..eaaedba04675 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -577,28 +577,29 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
                         return r;
                 }
 
-                r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
-                if (r) {
-                        radeon_vm_fini(rdev, &fpriv->vm);
-                        kfree(fpriv);
-                        return r;
-                }
+                if (rdev->accel_working) {
+                        r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
+                        if (r) {
+                                radeon_vm_fini(rdev, &fpriv->vm);
+                                kfree(fpriv);
+                                return r;
+                        }
 
-                /* map the ib pool buffer read only into
-                 * virtual address space */
-                bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
-                                         rdev->ring_tmp_bo.bo);
-                r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
-                                          RADEON_VM_PAGE_READABLE |
-                                          RADEON_VM_PAGE_SNOOPED);
+                        /* map the ib pool buffer read only into
+                         * virtual address space */
+                        bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
+                                                 rdev->ring_tmp_bo.bo);
+                        r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
+                                                  RADEON_VM_PAGE_READABLE |
+                                                  RADEON_VM_PAGE_SNOOPED);
 
-                radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
-                if (r) {
-                        radeon_vm_fini(rdev, &fpriv->vm);
-                        kfree(fpriv);
-                        return r;
+                        radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
+                        if (r) {
+                                radeon_vm_fini(rdev, &fpriv->vm);
+                                kfree(fpriv);
+                                return r;
+                        }
                 }
-
                 file_priv->driver_priv = fpriv;
         }
 
@@ -626,13 +627,15 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
                 struct radeon_bo_va *bo_va;
                 int r;
 
-                r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
-                if (!r) {
-                        bo_va = radeon_vm_bo_find(&fpriv->vm,
-                                                  rdev->ring_tmp_bo.bo);
-                        if (bo_va)
-                                radeon_vm_bo_rmv(rdev, bo_va);
-                        radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
+                if (rdev->accel_working) {
+                        r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
+                        if (!r) {
+                                bo_va = radeon_vm_bo_find(&fpriv->vm,
+                                                          rdev->ring_tmp_bo.bo);
+                                if (bo_va)
+                                        radeon_vm_bo_rmv(rdev, bo_va);
+                                radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
+                        }
                 }
 
                 radeon_vm_fini(rdev, &fpriv->vm);
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 19bec0dbfa38..4faa4d6f9bb4 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -458,7 +458,7 @@ int radeon_bo_list_validate(struct radeon_device *rdev,
                          * into account. We don't want to disallow buffer moves
                          * completely.
                          */
-                        if (current_domain != RADEON_GEM_DOMAIN_CPU &&
+                        if ((lobj->alt_domain & current_domain) != 0 &&
                             (domain & current_domain) == 0 && /* will be moved */
                             bytes_moved > bytes_moved_threshold) {
                                 /* don't move it */
@@ -699,22 +699,30 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
         rbo = container_of(bo, struct radeon_bo, tbo);
         radeon_bo_check_tiling(rbo, 0, 0);
         rdev = rbo->rdev;
-        if (bo->mem.mem_type == TTM_PL_VRAM) {
-                size = bo->mem.num_pages << PAGE_SHIFT;
-                offset = bo->mem.start << PAGE_SHIFT;
-                if ((offset + size) > rdev->mc.visible_vram_size) {
-                        /* hurrah the memory is not visible ! */
-                        radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
-                        rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
-                        r = ttm_bo_validate(bo, &rbo->placement, false, false);
-                        if (unlikely(r != 0))
-                                return r;
-                        offset = bo->mem.start << PAGE_SHIFT;
-                        /* this should not happen */
-                        if ((offset + size) > rdev->mc.visible_vram_size)
-                                return -EINVAL;
-                }
+        if (bo->mem.mem_type != TTM_PL_VRAM)
+                return 0;
+
+        size = bo->mem.num_pages << PAGE_SHIFT;
+        offset = bo->mem.start << PAGE_SHIFT;
+        if ((offset + size) <= rdev->mc.visible_vram_size)
+                return 0;
+
+        /* hurrah the memory is not visible ! */
+        radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
+        rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
+        r = ttm_bo_validate(bo, &rbo->placement, false, false);
+        if (unlikely(r == -ENOMEM)) {
+                radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
+                return ttm_bo_validate(bo, &rbo->placement, false, false);
+        } else if (unlikely(r != 0)) {
+                return r;
         }
+
+        offset = bo->mem.start << PAGE_SHIFT;
+        /* this should never happen */
+        if ((offset + size) > rdev->mc.visible_vram_size)
+                return -EINVAL;
+
         return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index f30b8426eee2..53d6e1bb48dc 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -361,6 +361,11 @@ static ssize_t radeon_set_pm_profile(struct device *dev,
         struct drm_device *ddev = dev_get_drvdata(dev);
         struct radeon_device *rdev = ddev->dev_private;
 
+        /* Can't set profile when the card is off */
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+                return -EINVAL;
+
         mutex_lock(&rdev->pm.mutex);
         if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
                 if (strncmp("default", buf, strlen("default")) == 0)
@@ -409,6 +414,13 @@ static ssize_t radeon_set_pm_method(struct device *dev,
         struct drm_device *ddev = dev_get_drvdata(dev);
         struct radeon_device *rdev = ddev->dev_private;
 
+        /* Can't set method when the card is off */
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) {
+                count = -EINVAL;
+                goto fail;
+        }
+
         /* we don't support the legacy modes with dpm */
         if (rdev->pm.pm_method == PM_METHOD_DPM) {
                 count = -EINVAL;
@@ -446,6 +458,10 @@ static ssize_t radeon_get_dpm_state(struct device *dev,
         struct radeon_device *rdev = ddev->dev_private;
         enum radeon_pm_state_type pm = rdev->pm.dpm.user_state;
 
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+                return snprintf(buf, PAGE_SIZE, "off\n");
+
         return snprintf(buf, PAGE_SIZE, "%s\n",
                         (pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
                         (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
@@ -459,6 +475,11 @@ static ssize_t radeon_set_dpm_state(struct device *dev,
         struct drm_device *ddev = dev_get_drvdata(dev);
         struct radeon_device *rdev = ddev->dev_private;
 
+        /* Can't set dpm state when the card is off */
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+                return -EINVAL;
+
         mutex_lock(&rdev->pm.mutex);
         if (strncmp("battery", buf, strlen("battery")) == 0)
                 rdev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY;
@@ -485,6 +506,10 @@ static ssize_t radeon_get_dpm_forced_performance_level(struct device *dev,
         struct radeon_device *rdev = ddev->dev_private;
         enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;
 
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+                return snprintf(buf, PAGE_SIZE, "off\n");
+
         return snprintf(buf, PAGE_SIZE, "%s\n",
                         (level == RADEON_DPM_FORCED_LEVEL_AUTO) ? "auto" :
                         (level == RADEON_DPM_FORCED_LEVEL_LOW) ? "low" : "high");
@@ -500,6 +525,11 @@ static ssize_t radeon_set_dpm_forced_performance_level(struct device *dev,
         enum radeon_dpm_forced_level level;
         int ret = 0;
 
+        /* Can't force performance level when the card is off */
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+                return -EINVAL;
+
         mutex_lock(&rdev->pm.mutex);
         if (strncmp("low", buf, strlen("low")) == 0) {
                 level = RADEON_DPM_FORCED_LEVEL_LOW;
@@ -538,8 +568,14 @@ static ssize_t radeon_hwmon_show_temp(struct device *dev,
                                       char *buf)
 {
         struct radeon_device *rdev = dev_get_drvdata(dev);
+        struct drm_device *ddev = rdev->ddev;
         int temp;
 
+        /* Can't get temperature when the card is off */
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+                return -EINVAL;
+
         if (rdev->asic->pm.get_temperature)
                 temp = radeon_get_temperature(rdev);
         else
@@ -1614,8 +1650,12 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
         struct drm_info_node *node = (struct drm_info_node *) m->private;
         struct drm_device *dev = node->minor->dev;
         struct radeon_device *rdev = dev->dev_private;
+        struct drm_device *ddev = rdev->ddev;
 
-        if (rdev->pm.dpm_enabled) {
+        if  ((rdev->flags & RADEON_IS_PX) &&
+             (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) {
+                seq_printf(m, "PX asic powered off\n");
+        } else if (rdev->pm.dpm_enabled) {
                 mutex_lock(&rdev->pm.mutex);
                 if (rdev->asic->dpm.debugfs_print_current_performance_level)
                         radeon_dpm_debugfs_print_current_performance_level(rdev, m);
diff --git a/drivers/gpu/drm/radeon/radeon_vce.c b/drivers/gpu/drm/radeon/radeon_vce.c
index f73324c81491..3971d968af6c 100644
--- a/drivers/gpu/drm/radeon/radeon_vce.c
+++ b/drivers/gpu/drm/radeon/radeon_vce.c
@@ -443,13 +443,16 @@ int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
  * @p: parser context
  * @lo: address of lower dword
  * @hi: address of higher dword
+ * @size: size of checker for relocation buffer
  *
  * Patch relocation inside command stream with real buffer address
  */
-int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi)
+int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi,
+                        unsigned size)
 {
         struct radeon_cs_chunk *relocs_chunk;
-        uint64_t offset;
+        struct radeon_cs_reloc *reloc;
+        uint64_t start, end, offset;
         unsigned idx;
 
         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
@@ -462,15 +465,60 @@ int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi)
                 return -EINVAL;
         }
 
-        offset += p->relocs_ptr[(idx / 4)]->gpu_offset;
+        reloc = p->relocs_ptr[(idx / 4)];
+        start = reloc->gpu_offset;
+        end = start + radeon_bo_size(reloc->robj);
+        start += offset;
 
-        p->ib.ptr[lo] = offset & 0xFFFFFFFF;
-        p->ib.ptr[hi] = offset >> 32;
+        p->ib.ptr[lo] = start & 0xFFFFFFFF;
+        p->ib.ptr[hi] = start >> 32;
+
+        if (end <= start) {
+                DRM_ERROR("invalid reloc offset %llX!\n", offset);
+                return -EINVAL;
+        }
+        if ((end - start) < size) {
+                DRM_ERROR("buffer to small (%d / %d)!\n",
+                        (unsigned)(end - start), size);
+                return -EINVAL;
+        }
 
         return 0;
 }
 
 /**
+ * radeon_vce_validate_handle - validate stream handle
+ *
+ * @p: parser context
+ * @handle: handle to validate
+ *
+ * Validates the handle and return the found session index or -EINVAL
+ * we we don't have another free session index.
+ */
+int radeon_vce_validate_handle(struct radeon_cs_parser *p, uint32_t handle)
+{
+        unsigned i;
+
+        /* validate the handle */
+        for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) {
+                if (atomic_read(&p->rdev->vce.handles[i]) == handle)
+                        return i;
+        }
+
+        /* handle not found try to alloc a new one */
+        for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) {
+                if (!atomic_cmpxchg(&p->rdev->vce.handles[i], 0, handle)) {
+                        p->rdev->vce.filp[i] = p->filp;
+                        p->rdev->vce.img_size[i] = 0;
+                        return i;
+                }
+        }
+
+        DRM_ERROR("No more free VCE handles!\n");
+        return -EINVAL;
+}
+
+/**
  * radeon_vce_cs_parse - parse and validate the command stream
  *
  * @p: parser context
@@ -478,8 +526,10 @@ int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi)
  */
 int radeon_vce_cs_parse(struct radeon_cs_parser *p)
 {
-        uint32_t handle = 0;
-        bool destroy = false;
+        int session_idx = -1;
+        bool destroyed = false;
+        uint32_t tmp, handle = 0;
+        uint32_t *size = &tmp;
         int i, r;
 
         while (p->idx < p->chunks[p->chunk_ib_idx].length_dw) {
@@ -491,13 +541,29 @@ int radeon_vce_cs_parse(struct radeon_cs_parser *p)
                         return -EINVAL;
                 }
 
+                if (destroyed) {
+                        DRM_ERROR("No other command allowed after destroy!\n");
+                        return -EINVAL;
+                }
+
                 switch (cmd) {
                 case 0x00000001: // session
                         handle = radeon_get_ib_value(p, p->idx + 2);
+                        session_idx = radeon_vce_validate_handle(p, handle);
+                        if (session_idx < 0)
+                                return session_idx;
+                        size = &p->rdev->vce.img_size[session_idx];
                         break;
 
                 case 0x00000002: // task info
+                        break;
+
                 case 0x01000001: // create
+                        *size = radeon_get_ib_value(p, p->idx + 8) *
+                                radeon_get_ib_value(p, p->idx + 10) *
+                                8 * 3 / 2;
+                        break;
+
                 case 0x04000001: // config extension
                 case 0x04000002: // pic control
                 case 0x04000005: // rate control
@@ -506,23 +572,39 @@ int radeon_vce_cs_parse(struct radeon_cs_parser *p)
                         break;
 
                 case 0x03000001: // encode
-                        r = radeon_vce_cs_reloc(p, p->idx + 10, p->idx + 9);
+                        r = radeon_vce_cs_reloc(p, p->idx + 10, p->idx + 9,
+                                                *size);
                         if (r)
                                 return r;
 
-                        r = radeon_vce_cs_reloc(p, p->idx + 12, p->idx + 11);
+                        r = radeon_vce_cs_reloc(p, p->idx + 12, p->idx + 11,
+                                                *size / 3);
                         if (r)
                                 return r;
                         break;
 
                 case 0x02000001: // destroy
-                        destroy = true;
+                        destroyed = true;
                         break;
 
                 case 0x05000001: // context buffer
+                        r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2,
+                                                *size * 2);
+                        if (r)
+                                return r;
+                        break;
+
                 case 0x05000004: // video bitstream buffer
+                        tmp = radeon_get_ib_value(p, p->idx + 4);
+                        r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2,
+                                                tmp);
+                        if (r)
+                                return r;
+                        break;
+
                 case 0x05000005: // feedback buffer
-                        r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2);
+                        r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2,
+                                                4096);
                         if (r)
                                 return r;
                         break;
@@ -532,33 +614,21 @@ int radeon_vce_cs_parse(struct radeon_cs_parser *p)
                         return -EINVAL;
                 }
 
+                if (session_idx == -1) {
+                        DRM_ERROR("no session command at start of IB\n");
+                        return -EINVAL;
+                }
+
                 p->idx += len / 4;
         }
 
-        if (destroy) {
+        if (destroyed) {
                 /* IB contains a destroy msg, free the handle */
                 for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i)
                         atomic_cmpxchg(&p->rdev->vce.handles[i], handle, 0);
-
-                return 0;
-        }
-
-        /* create or encode, validate the handle */
-        for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) {
-                if (atomic_read(&p->rdev->vce.handles[i]) == handle)
-                        return 0;
         }
 
-        /* handle not found try to alloc a new one */
-        for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) {
-                if (!atomic_cmpxchg(&p->rdev->vce.handles[i], 0, handle)) {
-                        p->rdev->vce.filp[i] = p->filp;
-                        return 0;
-                }
-        }
-
-        DRM_ERROR("No more free VCE handles!\n");
-        return -EINVAL;
+        return 0;
 }
 
 /**
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index 2aae6ce49d32..1f426696de36 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -130,10 +130,10 @@ struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
                                           struct list_head *head)
 {
         struct radeon_cs_reloc *list;
-        unsigned i, idx, size;
+        unsigned i, idx;
 
-        size = (radeon_vm_num_pdes(rdev) + 1) * sizeof(struct radeon_cs_reloc);
-        list = kmalloc(size, GFP_KERNEL);
+        list = kmalloc_array(vm->max_pde_used + 1,
+                             sizeof(struct radeon_cs_reloc), GFP_KERNEL);
         if (!list)
                 return NULL;
 
@@ -595,7 +595,7 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev,
         ndw = 64;
 
         /* assume the worst case */
-        ndw += vm->max_pde_used * 12;
+        ndw += vm->max_pde_used * 16;
 
         /* update too big for an IB */
         if (ndw > 0xfffff)
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 683532f84931..7321283602ce 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -107,8 +107,8 @@
 #define         SPLL_CHG_STATUS                         (1 << 1)
 #define SPLL_CNTL_MODE                                  0x618
 #define         SPLL_SW_DIR_CONTROL                     (1 << 0)
-#       define SPLL_REFCLK_SEL(x)                       ((x) << 8)
-#       define SPLL_REFCLK_SEL_MASK                     0xFF00
+#       define SPLL_REFCLK_SEL(x)                       ((x) << 26)
+#       define SPLL_REFCLK_SEL_MASK                     (3 << 26)
 
 #define CG_SPLL_SPREAD_SPECTRUM                         0x620
 #define         SSEN                                    (1 << 0)
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index bc196f49ec53..4af0da96c2e2 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1053,7 +1053,7 @@ config SENSORS_PC87427
 
 config SENSORS_NTC_THERMISTOR
         tristate "NTC thermistor support"
-        depends on (!OF && !IIO) || (OF && IIO)
+        depends on !OF || IIO=n || IIO
         help
           This driver supports NTC thermistors sensor reading and its
           interpretation. The driver can also monitor the temperature and
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 8a17f01e8672..e76feb86a1d4 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -44,6 +44,7 @@ struct ntc_compensation {
         unsigned int    ohm;
 };
 
+/* Order matters, ntc_match references the entries by index */
 static const struct platform_device_id ntc_thermistor_id[] = {
         { "ncp15wb473", TYPE_NCPXXWB473 },
         { "ncp18wb473", TYPE_NCPXXWB473 },
@@ -141,7 +142,7 @@ struct ntc_data {
         char name[PLATFORM_NAME_SIZE];
 };
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO)
 static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
 {
         struct iio_channel *channel = pdata->chan;
@@ -163,15 +164,15 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
 
 static const struct of_device_id ntc_match[] = {
         { .compatible = "ntc,ncp15wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[0] },
         { .compatible = "ntc,ncp18wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[1] },
         { .compatible = "ntc,ncp21wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[2] },
         { .compatible = "ntc,ncp03wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[3] },
         { .compatible = "ntc,ncp15wl333",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWL333] },
+                .data = &ntc_thermistor_id[4] },
         { },
 };
 MODULE_DEVICE_TABLE(of, ntc_match);
@@ -223,6 +224,8 @@ ntc_thermistor_parse_dt(struct platform_device *pdev)
         return NULL;
 }
 
+#define ntc_match       NULL
+
 static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata)
 { }
 #endif
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 22e92c3d3d07..3c20e4bd6dd1 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -422,6 +422,9 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev)
          */
         dw_writel(dev, msgs[dev->msg_write_idx].addr | ic_tar, DW_IC_TAR);
 
+        /* enforce disabled interrupts (due to HW issues) */
+        i2c_dw_disable_int(dev);
+
         /* Enable the adapter */
         __i2c_dw_enable(dev, true);
 
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 28cbe1b2a2ec..32c85e9ecdae 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -999,7 +999,7 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 
         dev->virtbase = devm_ioremap(&adev->dev, adev->res.start,
                                 resource_size(&adev->res));
-        if (IS_ERR(dev->virtbase)) {
+        if (!dev->virtbase) {
                 ret = -ENOMEM;
                 goto err_no_mem;
         }
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index 1b4cf14f1106..2a5efb5b487c 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -479,7 +479,7 @@ static int qup_i2c_xfer(struct i2c_adapter *adap,
         int ret, idx;
 
         ret = pm_runtime_get_sync(qup->dev);
-        if (ret)
+        if (ret < 0)
                 goto out;
 
         writel(1, qup->base + QUP_SW_RESET);
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index d4fa8eba6e9d..06d47aafbb79 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -561,6 +561,12 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
 
         ret = -EINVAL;
         for (i = 0; i < num; i++) {
+                /* This HW can't send STOP after address phase */
+                if (msgs[i].len == 0) {
+                        ret = -EOPNOTSUPP;
+                        break;
+                }
+
                 /*-------------- spin lock -----------------*/
                 spin_lock_irqsave(&priv->lock, flags);
 
@@ -625,7 +631,8 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
 
 static u32 rcar_i2c_func(struct i2c_adapter *adap)
 {
-        return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+        /* This HW can't do SMBUS_QUICK and NOSTART */
+        return I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK);
 }
 
 static const struct i2c_algorithm rcar_i2c_algo = {
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index ae4491062e41..bb3a9964f7e0 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1276,10 +1276,10 @@ static int s3c24xx_i2c_resume(struct device *dev)
         struct platform_device *pdev = to_platform_device(dev);
         struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev);
 
-        i2c->suspended = 0;
         clk_prepare_enable(i2c->clk);
         s3c24xx_i2c_init(i2c);
         clk_disable_unprepare(i2c->clk);
+        i2c->suspended = 0;
 
         return 0;
 }
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 1b6dbe156a37..199c7896f081 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -48,6 +48,7 @@
 
 #include <linux/mlx4/driver.h>
 #include <linux/mlx4/cmd.h>
+#include <linux/mlx4/qp.h>
 
 #include "mlx4_ib.h"
 #include "user.h"
@@ -1614,6 +1615,53 @@ static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event,
 }
 #endif
 
+#define MLX4_IB_INVALID_MAC     ((u64)-1)
+static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
+                               struct net_device *dev,
+                               int port)
+{
+        u64 new_smac = 0;
+        u64 release_mac = MLX4_IB_INVALID_MAC;
+        struct mlx4_ib_qp *qp;
+
+        read_lock(&dev_base_lock);
+        new_smac = mlx4_mac_to_u64(dev->dev_addr);
+        read_unlock(&dev_base_lock);
+
+        mutex_lock(&ibdev->qp1_proxy_lock[port - 1]);
+        qp = ibdev->qp1_proxy[port - 1];
+        if (qp) {
+                int new_smac_index;
+                u64 old_smac = qp->pri.smac;
+                struct mlx4_update_qp_params update_params;
+
+                if (new_smac == old_smac)
+                        goto unlock;
+
+                new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac);
+
+                if (new_smac_index < 0)
+                        goto unlock;
+
+                update_params.smac_index = new_smac_index;
+                if (mlx4_update_qp(ibdev->dev, &qp->mqp, MLX4_UPDATE_QP_SMAC,
+                                   &update_params)) {
+                        release_mac = new_smac;
+                        goto unlock;
+                }
+
+                qp->pri.smac = new_smac;
+                qp->pri.smac_index = new_smac_index;
+
+                release_mac = old_smac;
+        }
+
+unlock:
+        mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
+        if (release_mac != MLX4_IB_INVALID_MAC)
+                mlx4_unregister_mac(ibdev->dev, port, release_mac);
+}
+
 static void mlx4_ib_get_dev_addr(struct net_device *dev,
                                  struct mlx4_ib_dev *ibdev, u8 port)
 {
@@ -1689,9 +1737,13 @@ static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
         return 0;
 }
 
-static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
+static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
+                                 struct net_device *dev,
+                                 unsigned long event)
+
 {
         struct mlx4_ib_iboe *iboe;
+        int update_qps_port = -1;
         int port;
 
         iboe = &ibdev->iboe;
@@ -1719,6 +1771,11 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
                 }
                 curr_master = iboe->masters[port - 1];
 
+                if (dev == iboe->netdevs[port - 1] &&
+                    (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER ||
+                     event == NETDEV_UP || event == NETDEV_CHANGE))
+                        update_qps_port = port;
+
                 if (curr_netdev) {
                         port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ?
                                                 IB_PORT_ACTIVE : IB_PORT_DOWN;
@@ -1752,6 +1809,9 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
         }
 
         spin_unlock(&iboe->lock);
+
+        if (update_qps_port > 0)
+                mlx4_ib_update_qps(ibdev, dev, update_qps_port);
 }
 
 static int mlx4_ib_netdev_event(struct notifier_block *this,
@@ -1764,7 +1824,7 @@ static int mlx4_ib_netdev_event(struct notifier_block *this,
                 return NOTIFY_DONE;
 
         ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb);
-        mlx4_ib_scan_netdevs(ibdev);
+        mlx4_ib_scan_netdevs(ibdev, dev, event);
 
         return NOTIFY_DONE;
 }
@@ -2043,6 +2103,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
                 goto err_map;
 
         for (i = 0; i < ibdev->num_ports; ++i) {
+                mutex_init(&ibdev->qp1_proxy_lock[i]);
                 if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) ==
                                                 IB_LINK_LAYER_ETHERNET) {
                         err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]);
@@ -2126,7 +2187,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
                 for (i = 1 ; i <= ibdev->num_ports ; ++i)
                         reset_gid_table(ibdev, i);
                 rtnl_lock();
-                mlx4_ib_scan_netdevs(ibdev);
+                mlx4_ib_scan_netdevs(ibdev, NULL, 0);
                 rtnl_unlock();
                 mlx4_ib_init_gid_table(ibdev);
         }
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index f589522fddfd..66b0b7dbd9f4 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -522,6 +522,9 @@ struct mlx4_ib_dev {
         int steer_qpn_count;
         int steer_qpn_base;
         int steering_support;
+        struct mlx4_ib_qp      *qp1_proxy[MLX4_MAX_PORTS];
+        /* lock when destroying qp1_proxy and getting netdev events */
+        struct mutex            qp1_proxy_lock[MLX4_MAX_PORTS];
 };
 
 struct ib_event_work {
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 41308af4163c..dc57482ae7af 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1132,6 +1132,12 @@ int mlx4_ib_destroy_qp(struct ib_qp *qp)
         if (is_qp0(dev, mqp))
                 mlx4_CLOSE_PORT(dev->dev, mqp->port);
 
+        if (dev->qp1_proxy[mqp->port - 1] == mqp) {
+                mutex_lock(&dev->qp1_proxy_lock[mqp->port - 1]);
+                dev->qp1_proxy[mqp->port - 1] = NULL;
+                mutex_unlock(&dev->qp1_proxy_lock[mqp->port - 1]);
+        }
+
         pd = get_pd(mqp);
         destroy_qp_common(dev, mqp, !!pd->ibpd.uobject);
 
@@ -1646,6 +1652,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
                                 err = handle_eth_ud_smac_index(dev, qp, (u8 *)attr->smac, context);
                                 if (err)
                                         return -EINVAL;
+                                if (qp->mlx4_ib_qp_type == MLX4_IB_QPT_PROXY_GSI)
+                                        dev->qp1_proxy[qp->port - 1] = qp;
                         }
                 }
         }
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index c98fdb185931..a1710465faaf 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -28,6 +28,7 @@
 #include <target/target_core_base.h>
 #include <target/target_core_fabric.h>
 #include <target/iscsi/iscsi_transport.h>
+#include <linux/semaphore.h>
 
 #include "isert_proto.h"
 #include "ib_isert.h"
@@ -561,7 +562,15 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
         struct isert_device *device;
         struct ib_device *ib_dev = cma_id->device;
         int ret = 0;
-        u8 pi_support = np->tpg_np->tpg->tpg_attrib.t10_pi;
+        u8 pi_support;
+
+        spin_lock_bh(&np->np_thread_lock);
+        if (!np->enabled) {
+                spin_unlock_bh(&np->np_thread_lock);
+                pr_debug("iscsi_np is not enabled, reject connect request\n");
+                return rdma_reject(cma_id, NULL, 0);
+        }
+        spin_unlock_bh(&np->np_thread_lock);
 
         pr_debug("Entering isert_connect_request cma_id: %p, context: %p\n",
                  cma_id, cma_id->context);
@@ -652,6 +661,7 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
                 goto out_mr;
         }
 
+        pi_support = np->tpg_np->tpg->tpg_attrib.t10_pi;
         if (pi_support && !device->pi_capable) {
                 pr_err("Protection information requested but not supported\n");
                 ret = -EINVAL;
@@ -663,11 +673,11 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
                 goto out_conn_dev;
 
         mutex_lock(&isert_np->np_accept_mutex);
-        list_add_tail(&isert_np->np_accept_list, &isert_conn->conn_accept_node);
+        list_add_tail(&isert_conn->conn_accept_node, &isert_np->np_accept_list);
         mutex_unlock(&isert_np->np_accept_mutex);
 
-        pr_debug("isert_connect_request() waking up np_accept_wq: %p\n", np);
-        wake_up(&isert_np->np_accept_wq);
+        pr_debug("isert_connect_request() up np_sem np: %p\n", np);
+        up(&isert_np->np_sem);
         return 0;
 
 out_conn_dev:
@@ -2999,7 +3009,7 @@ isert_setup_np(struct iscsi_np *np,
                 pr_err("Unable to allocate struct isert_np\n");
                 return -ENOMEM;
         }
-        init_waitqueue_head(&isert_np->np_accept_wq);
+        sema_init(&isert_np->np_sem, 0);
         mutex_init(&isert_np->np_accept_mutex);
         INIT_LIST_HEAD(&isert_np->np_accept_list);
         init_completion(&isert_np->np_login_comp);
@@ -3048,18 +3058,6 @@ out:
 }
 
 static int
-isert_check_accept_queue(struct isert_np *isert_np)
-{
-        int empty;
-
-        mutex_lock(&isert_np->np_accept_mutex);
-        empty = list_empty(&isert_np->np_accept_list);
-        mutex_unlock(&isert_np->np_accept_mutex);
-
-        return empty;
-}
-
-static int
 isert_rdma_accept(struct isert_conn *isert_conn)
 {
         struct rdma_cm_id *cm_id = isert_conn->conn_cm_id;
@@ -3151,16 +3149,14 @@ isert_accept_np(struct iscsi_np *np, struct iscsi_conn *conn)
         int max_accept = 0, ret;
 
 accept_wait:
-        ret = wait_event_interruptible(isert_np->np_accept_wq,
-                        !isert_check_accept_queue(isert_np) ||
-                        np->np_thread_state == ISCSI_NP_THREAD_RESET);
+        ret = down_interruptible(&isert_np->np_sem);
         if (max_accept > 5)
                 return -ENODEV;
 
         spin_lock_bh(&np->np_thread_lock);
         if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
                 spin_unlock_bh(&np->np_thread_lock);
-                pr_err("ISCSI_NP_THREAD_RESET for isert_accept_np\n");
+                pr_debug("ISCSI_NP_THREAD_RESET for isert_accept_np\n");
                 return -ENODEV;
         }
         spin_unlock_bh(&np->np_thread_lock);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 4c072ae34c01..da6612e68000 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -182,7 +182,7 @@ struct isert_device {
 };
 
 struct isert_np {
-        wait_queue_head_t       np_accept_wq;
+        struct semaphore        np_sem;
         struct rdma_cm_id       *np_cm_id;
         struct mutex            np_accept_mutex;
         struct list_head        np_accept_list;
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 76842d7dc2e3..ffc7ad3a2c88 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -71,7 +71,7 @@ config KEYBOARD_ATKBD
         default y
         select SERIO
         select SERIO_LIBPS2
-        select SERIO_I8042 if X86
+        select SERIO_I8042 if ARCH_MIGHT_HAVE_PC_SERIO
         select SERIO_GSCPS2 if GSC
         help
           Say Y here if you want to use a standard AT or PS/2 keyboard. Usually
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index d8241ba0afa0..a15063bea700 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -111,6 +111,8 @@ struct pxa27x_keypad {
         unsigned short keycodes[MAX_KEYPAD_KEYS];
         int rotary_rel_code[2];
 
+        unsigned int row_shift;
+
         /* state row bits of each column scan */
         uint32_t matrix_key_state[MAX_MATRIX_KEY_COLS];
         uint32_t direct_key_state;
@@ -467,7 +469,8 @@ scan:
                         if ((bits_changed & (1 << row)) == 0)
                                 continue;
 
-                        code = MATRIX_SCAN_CODE(row, col, MATRIX_ROW_SHIFT);
+                        code = MATRIX_SCAN_CODE(row, col, keypad->row_shift);
+
                         input_event(input_dev, EV_MSC, MSC_SCAN, code);
                         input_report_key(input_dev, keypad->keycodes[code],
                                          new_state[col] & (1 << row));
@@ -802,6 +805,8 @@ static int pxa27x_keypad_probe(struct platform_device *pdev)
                 goto failed_put_clk;
         }
 
+        keypad->row_shift = get_count_order(pdata->matrix_key_cols);
+
         if ((pdata->enable_rotary0 && keypad->rotary_rel_code[0] != -1) ||
             (pdata->enable_rotary1 && keypad->rotary_rel_code[1] != -1)) {
                 input_dev->evbit[0] |= BIT_MASK(EV_REL);
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index effa9c5f2c5c..6b8441f7bc32 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -17,7 +17,7 @@ config MOUSE_PS2
         default y
         select SERIO
         select SERIO_LIBPS2
-        select SERIO_I8042 if X86
+        select SERIO_I8042 if ARCH_MIGHT_HAVE_PC_SERIO
         select SERIO_GSCPS2 if GSC
         help
           Say Y here if you have a PS/2 mouse connected to your system. This
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index d68d33fb5ac2..c5ec703c727e 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -117,6 +117,31 @@ void synaptics_reset(struct psmouse *psmouse)
 }
 
 #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+struct min_max_quirk {
+        const char * const *pnp_ids;
+        int x_min, x_max, y_min, y_max;
+};
+
+static const struct min_max_quirk min_max_pnpid_table[] = {
+        {
+                (const char * const []){"LEN0033", NULL},
+                1024, 5052, 2258, 4832
+        },
+        {
+                (const char * const []){"LEN0035", "LEN0042", NULL},
+                1232, 5710, 1156, 4696
+        },
+        {
+                (const char * const []){"LEN0034", "LEN0036", "LEN2004", NULL},
+                1024, 5112, 2024, 4832
+        },
+        {
+                (const char * const []){"LEN2001", NULL},
+                1024, 5022, 2508, 4832
+        },
+        { }
+};
+
 /* This list has been kindly provided by Synaptics. */
 static const char * const topbuttonpad_pnp_ids[] = {
         "LEN0017",
@@ -129,7 +154,7 @@ static const char * const topbuttonpad_pnp_ids[] = {
         "LEN002D",
         "LEN002E",
         "LEN0033", /* Helix */
-        "LEN0034", /* T431s, T540, X1 Carbon 2nd */
+        "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */
         "LEN0035", /* X240 */
         "LEN0036", /* T440 */
         "LEN0037",
@@ -142,7 +167,7 @@ static const char * const topbuttonpad_pnp_ids[] = {
         "LEN0048",
         "LEN0049",
         "LEN2000",
-        "LEN2001",
+        "LEN2001", /* Edge E431 */
         "LEN2002",
         "LEN2003",
         "LEN2004", /* L440 */
@@ -156,6 +181,18 @@ static const char * const topbuttonpad_pnp_ids[] = {
         NULL
 };
 
+static bool matches_pnp_id(struct psmouse *psmouse, const char * const ids[])
+{
+        int i;
+
+        if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4))
+                for (i = 0; ids[i]; i++)
+                        if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i]))
+                                return true;
+
+        return false;
+}
+
 /*****************************************************************************
  *      Synaptics communications functions
  ****************************************************************************/
@@ -304,20 +341,20 @@ static int synaptics_identify(struct psmouse *psmouse)
  * Resolution is left zero if touchpad does not support the query
  */
 
-static const int *quirk_min_max;
-
 static int synaptics_resolution(struct psmouse *psmouse)
 {
         struct synaptics_data *priv = psmouse->private;
         unsigned char resp[3];
+        int i;
 
-        if (quirk_min_max) {
-                priv->x_min = quirk_min_max[0];
-                priv->x_max = quirk_min_max[1];
-                priv->y_min = quirk_min_max[2];
-                priv->y_max = quirk_min_max[3];
-                return 0;
-        }
+        for (i = 0; min_max_pnpid_table[i].pnp_ids; i++)
+                if (matches_pnp_id(psmouse, min_max_pnpid_table[i].pnp_ids)) {
+                        priv->x_min = min_max_pnpid_table[i].x_min;
+                        priv->x_max = min_max_pnpid_table[i].x_max;
+                        priv->y_min = min_max_pnpid_table[i].y_min;
+                        priv->y_max = min_max_pnpid_table[i].y_max;
+                        return 0;
+                }
 
         if (SYN_ID_MAJOR(priv->identity) < 4)
                 return 0;
@@ -1365,17 +1402,8 @@ static void set_input_params(struct psmouse *psmouse,
 
         if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
                 __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
-                /* See if this buttonpad has a top button area */
-                if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) {
-                        for (i = 0; topbuttonpad_pnp_ids[i]; i++) {
-                                if (strstr(psmouse->ps2dev.serio->firmware_id,
-                                           topbuttonpad_pnp_ids[i])) {
-                                        __set_bit(INPUT_PROP_TOPBUTTONPAD,
-                                                  dev->propbit);
-                                        break;
-                                }
-                        }
-                }
+                if (matches_pnp_id(psmouse, topbuttonpad_pnp_ids))
+                        __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit);
                 /* Clickpads report only left button */
                 __clear_bit(BTN_RIGHT, dev->keybit);
                 __clear_bit(BTN_MIDDLE, dev->keybit);
@@ -1547,104 +1575,10 @@ static const struct dmi_system_id olpc_dmi_table[] __initconst = {
         { }
 };
 
-static const struct dmi_system_id min_max_dmi_table[] __initconst = {
-#if defined(CONFIG_DMI)
-        {
-                /* Lenovo ThinkPad Helix */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Helix"),
-                },
-                .driver_data = (int []){1024, 5052, 2258, 4832},
-        },
-        {
-                /* Lenovo ThinkPad X240 */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X240"),
-                },
-                .driver_data = (int []){1232, 5710, 1156, 4696},
-        },
-        {
-                /* Lenovo ThinkPad Edge E431 */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Edge E431"),
-                },
-                .driver_data = (int []){1024, 5022, 2508, 4832},
-        },
-        {
-                /* Lenovo ThinkPad T431s */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T431"),
-                },
-                .driver_data = (int []){1024, 5112, 2024, 4832},
-        },
-        {
-                /* Lenovo ThinkPad T440s */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T440"),
-                },
-                .driver_data = (int []){1024, 5112, 2024, 4832},
-        },
-        {
-                /* Lenovo ThinkPad L440 */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L440"),
-                },
-                .driver_data = (int []){1024, 5112, 2024, 4832},
-        },
-        {
-                /* Lenovo ThinkPad T540p */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T540"),
-                },
-                .driver_data = (int []){1024, 5056, 2058, 4832},
-        },
-        {
-                /* Lenovo ThinkPad L540 */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L540"),
-                },
-                .driver_data = (int []){1024, 5112, 2024, 4832},
-        },
-        {
-                /* Lenovo Yoga S1 */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_EXACT_MATCH(DMI_PRODUCT_VERSION,
-                                        "ThinkPad S1 Yoga"),
-                },
-                .driver_data = (int []){1232, 5710, 1156, 4696},
-        },
-        {
-                /* Lenovo ThinkPad X1 Carbon Haswell (3rd generation) */
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION,
-                                        "ThinkPad X1 Carbon 2nd"),
-                },
-                .driver_data = (int []){1024, 5112, 2024, 4832},
-        },
-#endif
-        { }
-};
-
 void __init synaptics_module_init(void)
 {
-        const struct dmi_system_id *min_max_dmi;
-
         impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table);
         broken_olpc_ec = dmi_check_system(olpc_dmi_table);
-
-        min_max_dmi = dmi_first_match(min_max_dmi_table);
-        if (min_max_dmi)
-                quirk_min_max = min_max_dmi->driver_data;
 }
 
 static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index 762b08432de0..8b748d99b934 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -79,7 +79,8 @@ static int amba_kmi_open(struct serio *io)
         writeb(divisor, KMICLKDIV);
         writeb(KMICR_EN, KMICR);
 
-        ret = request_irq(kmi->irq, amba_kmi_int, 0, "kmi-pl050", kmi);
+        ret = request_irq(kmi->irq, amba_kmi_int, IRQF_SHARED, "kmi-pl050",
+                          kmi);
         if (ret) {
                 printk(KERN_ERR "kmi: failed to claim IRQ%d\n", kmi->irq);
                 writeb(0, KMICR);
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 68edc9db2c64..b845e9370871 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -640,7 +640,7 @@ config TOUCHSCREEN_WM9713
 
 config TOUCHSCREEN_WM97XX_ATMEL
         tristate "WM97xx Atmel accelerated touch"
-        depends on TOUCHSCREEN_WM97XX && (AVR32 || ARCH_AT91)
+        depends on TOUCHSCREEN_WM97XX && AVR32
         help
           Say Y here for support for streaming mode with WM97xx touchscreens
           on Atmel AT91 or AVR32 systems with an AC97C module.
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index c949520bd196..57068e8035b5 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3999,7 +3999,7 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic)
         iommu_flush_dte(iommu, devid);
         if (devid != alias) {
                 irq_lookup_table[alias] = table;
-                set_dte_irq_entry(devid, table);
+                set_dte_irq_entry(alias, table);
                 iommu_flush_dte(iommu, alias);
         }
 
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index b76c58dbe30c..0e08545d7298 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -788,7 +788,7 @@ static void __init set_device_exclusion_range(u16 devid, struct ivmd_header *m)
                  * per device. But we can enable the exclusion range per
                  * device. This is done here
                  */
-                set_dev_entry_bit(m->devid, DEV_ENTRY_EX);
+                set_dev_entry_bit(devid, DEV_ENTRY_EX);
                 iommu->exclusion_start = m->range_start;
                 iommu->exclusion_length = m->range_length;
         }
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 5208828792e6..203b2e6a91cf 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -504,8 +504,10 @@ static void do_fault(struct work_struct *work)
 
         write = !!(fault->flags & PPR_FAULT_WRITE);
 
+        down_read(&fault->state->mm->mmap_sem);
         npages = get_user_pages(fault->state->task, fault->state->mm,
                                 fault->address, 1, write, 0, &page, NULL);
+        up_read(&fault->state->mm->mmap_sem);
 
         if (npages == 1) {
                 put_page(page);
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 9380be7b1895..5f054c44b485 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -2178,6 +2178,8 @@ static int cache_create(struct cache_args *ca, struct cache **result)
         ti->num_discard_bios = 1;
         ti->discards_supported = true;
         ti->discard_zeroes_data_unsupported = true;
+        /* Discard bios must be split on a block boundary */
+        ti->split_discard_bios = true;
 
         cache->features = ca->features;
         ti->per_bio_data_size = get_per_bio_data_size(cache);
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 784695d22fde..53b213226c01 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -19,7 +19,6 @@
 #include <linux/crypto.h>
 #include <linux/workqueue.h>
 #include <linux/backing-dev.h>
-#include <linux/percpu.h>
 #include <linux/atomic.h>
 #include <linux/scatterlist.h>
 #include <asm/page.h>
@@ -43,6 +42,7 @@ struct convert_context {
         struct bvec_iter iter_out;
         sector_t cc_sector;
         atomic_t cc_pending;
+        struct ablkcipher_request *req;
 };
 
 /*
@@ -111,15 +111,7 @@ struct iv_tcw_private {
 enum flags { DM_CRYPT_SUSPENDED, DM_CRYPT_KEY_VALID };
 
 /*
- * Duplicated per-CPU state for cipher.
- */
-struct crypt_cpu {
-        struct ablkcipher_request *req;
-};
-
-/*
- * The fields in here must be read only after initialization,
- * changing state should be in crypt_cpu.
+ * The fields in here must be read only after initialization.
  */
 struct crypt_config {
         struct dm_dev *dev;
@@ -150,12 +142,6 @@ struct crypt_config {
         sector_t iv_offset;
         unsigned int iv_size;
 
-        /*
-         * Duplicated per cpu state. Access through
-         * per_cpu_ptr() only.
-         */
-        struct crypt_cpu __percpu *cpu;
-
         /* ESSIV: struct crypto_cipher *essiv_tfm */
         void *iv_private;
         struct crypto_ablkcipher **tfms;
@@ -192,11 +178,6 @@ static void clone_init(struct dm_crypt_io *, struct bio *);
 static void kcryptd_queue_crypt(struct dm_crypt_io *io);
 static u8 *iv_of_dmreq(struct crypt_config *cc, struct dm_crypt_request *dmreq);
 
-static struct crypt_cpu *this_crypt_config(struct crypt_config *cc)
-{
-        return this_cpu_ptr(cc->cpu);
-}
-
 /*
  * Use this to access cipher attributes that are the same for each CPU.
  */
@@ -903,16 +884,15 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
 static void crypt_alloc_req(struct crypt_config *cc,
                             struct convert_context *ctx)
 {
-        struct crypt_cpu *this_cc = this_crypt_config(cc);
         unsigned key_index = ctx->cc_sector & (cc->tfms_count - 1);
 
-        if (!this_cc->req)
-                this_cc->req = mempool_alloc(cc->req_pool, GFP_NOIO);
+        if (!ctx->req)
+                ctx->req = mempool_alloc(cc->req_pool, GFP_NOIO);
 
-        ablkcipher_request_set_tfm(this_cc->req, cc->tfms[key_index]);
-        ablkcipher_request_set_callback(this_cc->req,
+        ablkcipher_request_set_tfm(ctx->req, cc->tfms[key_index]);
+        ablkcipher_request_set_callback(ctx->req,
             CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP,
-            kcryptd_async_done, dmreq_of_req(cc, this_cc->req));
+            kcryptd_async_done, dmreq_of_req(cc, ctx->req));
 }
 
 /*
@@ -921,7 +901,6 @@ static void crypt_alloc_req(struct crypt_config *cc,
 static int crypt_convert(struct crypt_config *cc,
                          struct convert_context *ctx)
 {
-        struct crypt_cpu *this_cc = this_crypt_config(cc);
         int r;
 
         atomic_set(&ctx->cc_pending, 1);
@@ -932,7 +911,7 @@ static int crypt_convert(struct crypt_config *cc,
 
                 atomic_inc(&ctx->cc_pending);
 
-                r = crypt_convert_block(cc, ctx, this_cc->req);
+                r = crypt_convert_block(cc, ctx, ctx->req);
 
                 switch (r) {
                 /* async */
@@ -941,7 +920,7 @@ static int crypt_convert(struct crypt_config *cc,
                         reinit_completion(&ctx->restart);
                         /* fall through*/
                 case -EINPROGRESS:
-                        this_cc->req = NULL;
+                        ctx->req = NULL;
                         ctx->cc_sector++;
                         continue;
 
@@ -1040,6 +1019,7 @@ static struct dm_crypt_io *crypt_io_alloc(struct crypt_config *cc,
         io->sector = sector;
         io->error = 0;
         io->base_io = NULL;
+        io->ctx.req = NULL;
         atomic_set(&io->io_pending, 0);
 
         return io;
@@ -1065,6 +1045,8 @@ static void crypt_dec_pending(struct dm_crypt_io *io)
         if (!atomic_dec_and_test(&io->io_pending))
                 return;
 
+        if (io->ctx.req)
+                mempool_free(io->ctx.req, cc->req_pool);
         mempool_free(io, cc->io_pool);
 
         if (likely(!base_io))
@@ -1492,8 +1474,6 @@ static int crypt_wipe_key(struct crypt_config *cc)
 static void crypt_dtr(struct dm_target *ti)
 {
         struct crypt_config *cc = ti->private;
-        struct crypt_cpu *cpu_cc;
-        int cpu;
 
         ti->private = NULL;
 
@@ -1505,13 +1485,6 @@ static void crypt_dtr(struct dm_target *ti)
         if (cc->crypt_queue)
                 destroy_workqueue(cc->crypt_queue);
 
-        if (cc->cpu)
-                for_each_possible_cpu(cpu) {
-                        cpu_cc = per_cpu_ptr(cc->cpu, cpu);
-                        if (cpu_cc->req)
-                                mempool_free(cpu_cc->req, cc->req_pool);
-                }
-
         crypt_free_tfms(cc);
 
         if (cc->bs)
@@ -1530,9 +1503,6 @@ static void crypt_dtr(struct dm_target *ti)
         if (cc->dev)
                 dm_put_device(ti, cc->dev);
 
-        if (cc->cpu)
-                free_percpu(cc->cpu);
-
         kzfree(cc->cipher);
         kzfree(cc->cipher_string);
 
@@ -1588,13 +1558,6 @@ static int crypt_ctr_cipher(struct dm_target *ti,
         if (tmp)
                 DMWARN("Ignoring unexpected additional cipher options");
 
-        cc->cpu = __alloc_percpu(sizeof(*(cc->cpu)),
-                                 __alignof__(struct crypt_cpu));
-        if (!cc->cpu) {
-                ti->error = "Cannot allocate per cpu state";
-                goto bad_mem;
-        }
-
         /*
          * For compatibility with the original dm-crypt mapping format, if
          * only the cipher name is supplied, use cbc-plain.
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index aa009e865871..ebfa411d1a7d 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -445,11 +445,11 @@ static int queue_if_no_path(struct multipath *m, unsigned queue_if_no_path,
         else
                 m->saved_queue_if_no_path = queue_if_no_path;
         m->queue_if_no_path = queue_if_no_path;
-        if (!m->queue_if_no_path)
-                dm_table_run_md_queue_async(m->ti->table);
-
         spin_unlock_irqrestore(&m->lock, flags);
 
+        if (!queue_if_no_path)
+                dm_table_run_md_queue_async(m->ti->table);
+
         return 0;
 }
 
@@ -954,7 +954,7 @@ out:
  */
 static int reinstate_path(struct pgpath *pgpath)
 {
-        int r = 0;
+        int r = 0, run_queue = 0;
         unsigned long flags;
         struct multipath *m = pgpath->pg->m;
 
@@ -978,7 +978,7 @@ static int reinstate_path(struct pgpath *pgpath)
 
         if (!m->nr_valid_paths++) {
                 m->current_pgpath = NULL;
-                dm_table_run_md_queue_async(m->ti->table);
+                run_queue = 1;
         } else if (m->hw_handler_name && (m->current_pg == pgpath->pg)) {
                 if (queue_work(kmpath_handlerd, &pgpath->activate_path.work))
                         m->pg_init_in_progress++;
@@ -991,6 +991,8 @@ static int reinstate_path(struct pgpath *pgpath)
 
 out:
         spin_unlock_irqrestore(&m->lock, flags);
+        if (run_queue)
+                dm_table_run_md_queue_async(m->ti->table);
 
         return r;
 }
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 13abade76ad9..242ac2ea5f29 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -27,6 +27,9 @@
 #define MAPPING_POOL_SIZE 1024
 #define PRISON_CELLS 1024
 #define COMMIT_PERIOD HZ
+#define NO_SPACE_TIMEOUT_SECS 60
+
+static unsigned no_space_timeout_secs = NO_SPACE_TIMEOUT_SECS;
 
 DECLARE_DM_KCOPYD_THROTTLE_WITH_MODULE_PARM(snapshot_copy_throttle,
                 "A percentage of time allocated for copy on write");
@@ -175,6 +178,7 @@ struct pool {
         struct workqueue_struct *wq;
         struct work_struct worker;
         struct delayed_work waker;
+        struct delayed_work no_space_timeout;
 
         unsigned long last_commit_jiffies;
         unsigned ref_count;
@@ -935,7 +939,7 @@ static int commit(struct pool *pool)
 {
         int r;
 
-        if (get_pool_mode(pool) != PM_WRITE)
+        if (get_pool_mode(pool) >= PM_READ_ONLY)
                 return -EINVAL;
 
         r = dm_pool_commit_metadata(pool->pmd);
@@ -1590,6 +1594,20 @@ static void do_waker(struct work_struct *ws)
         queue_delayed_work(pool->wq, &pool->waker, COMMIT_PERIOD);
 }
 
+/*
+ * We're holding onto IO to allow userland time to react.  After the
+ * timeout either the pool will have been resized (and thus back in
+ * PM_WRITE mode), or we degrade to PM_READ_ONLY and start erroring IO.
+ */
+static void do_no_space_timeout(struct work_struct *ws)
+{
+        struct pool *pool = container_of(to_delayed_work(ws), struct pool,
+                                         no_space_timeout);
+
+        if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space)
+                set_pool_mode(pool, PM_READ_ONLY);
+}
+
 /*----------------------------------------------------------------*/
 
 struct noflush_work {
@@ -1654,6 +1672,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)
         struct pool_c *pt = pool->ti->private;
         bool needs_check = dm_pool_metadata_needs_check(pool->pmd);
         enum pool_mode old_mode = get_pool_mode(pool);
+        unsigned long no_space_timeout = ACCESS_ONCE(no_space_timeout_secs) * HZ;
 
         /*
          * Never allow the pool to transition to PM_WRITE mode if user
@@ -1715,6 +1734,9 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)
                 pool->process_discard = process_discard;
                 pool->process_prepared_mapping = process_prepared_mapping;
                 pool->process_prepared_discard = process_prepared_discard_passdown;
+
+                if (!pool->pf.error_if_no_space && no_space_timeout)
+                        queue_delayed_work(pool->wq, &pool->no_space_timeout, no_space_timeout);
                 break;
 
         case PM_WRITE:
@@ -2100,6 +2122,7 @@ static struct pool *pool_create(struct mapped_device *pool_md,
 
         INIT_WORK(&pool->worker, do_worker);
         INIT_DELAYED_WORK(&pool->waker, do_waker);
+        INIT_DELAYED_WORK(&pool->no_space_timeout, do_no_space_timeout);
         spin_lock_init(&pool->lock);
         bio_list_init(&pool->deferred_flush_bios);
         INIT_LIST_HEAD(&pool->prepared_mappings);
@@ -2662,6 +2685,7 @@ static void pool_postsuspend(struct dm_target *ti)
         struct pool *pool = pt->pool;
 
         cancel_delayed_work(&pool->waker);
+        cancel_delayed_work(&pool->no_space_timeout);
         flush_workqueue(pool->wq);
         (void) commit(pool);
 }
@@ -3487,6 +3511,9 @@ static void dm_thin_exit(void)
 module_init(dm_thin_init);
 module_exit(dm_thin_exit);
 
+module_param_named(no_space_timeout, no_space_timeout_secs, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(no_space_timeout, "Out of data space queue IO timeout in seconds");
+
 MODULE_DESCRIPTION(DM_NAME " thin provisioning target");
 MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index e8a1ce204036..cdd7c1b7259b 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -1109,7 +1109,7 @@ static int ov7670_enum_framesizes(struct v4l2_subdev *sd,
          * windows that fall outside that.
          */
         for (i = 0; i < n_win_sizes; i++) {
-                struct ov7670_win_size *win = &info->devtype->win_sizes[index];
+                struct ov7670_win_size *win = &info->devtype->win_sizes[i];
                 if (info->min_width && win->width < info->min_width)
                         continue;
                 if (info->min_height && win->height < info->min_height)
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
index a4459301b5f8..ee0f57e01b56 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
@@ -1616,7 +1616,7 @@ static int s5c73m3_get_platform_data(struct s5c73m3 *state)
         if (ret < 0)
                 return -EINVAL;
 
-        node_ep = v4l2_of_get_next_endpoint(node, NULL);
+        node_ep = of_graph_get_next_endpoint(node, NULL);
         if (!node_ep) {
                 dev_warn(dev, "no endpoint defined for node: %s\n",
                                                 node->full_name);
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index d5a7a135f75d..703560fa5e73 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -93,6 +93,7 @@ static long media_device_enum_entities(struct media_device *mdev,
         struct media_entity *ent;
         struct media_entity_desc u_ent;
 
+        memset(&u_ent, 0, sizeof(u_ent));
         if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id)))
                 return -EFAULT;
 
diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index b4f12d00be05..656708252962 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -372,18 +372,32 @@ static int vpbe_stop_streaming(struct vb2_queue *vq)
 {
         struct vpbe_fh *fh = vb2_get_drv_priv(vq);
         struct vpbe_layer *layer = fh->layer;
+        struct vpbe_display *disp = fh->disp_dev;
+        unsigned long flags;
 
         if (!vb2_is_streaming(vq))
                 return 0;
 
         /* release all active buffers */
+        spin_lock_irqsave(&disp->dma_queue_lock, flags);
+        if (layer->cur_frm == layer->next_frm) {
+                vb2_buffer_done(&layer->cur_frm->vb, VB2_BUF_STATE_ERROR);
+        } else {
+                if (layer->cur_frm != NULL)
+                        vb2_buffer_done(&layer->cur_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+                if (layer->next_frm != NULL)
+                        vb2_buffer_done(&layer->next_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+        }
+
         while (!list_empty(&layer->dma_queue)) {
                 layer->next_frm = list_entry(layer->dma_queue.next,
                                                 struct vpbe_disp_buffer, list);
                 list_del(&layer->next_frm->list);
                 vb2_buffer_done(&layer->next_frm->vb, VB2_BUF_STATE_ERROR);
         }
-
+        spin_unlock_irqrestore(&disp->dma_queue_lock, flags);
         return 0;
 }
 
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index d762246eabf5..0379cb9f9a9c 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -734,6 +734,8 @@ static int vpfe_release(struct file *file)
                 }
                 vpfe_dev->io_usrs = 0;
                 vpfe_dev->numbuffers = config_params.numbuffers;
+                videobuf_stop(&vpfe_dev->buffer_queue);
+                videobuf_mmap_free(&vpfe_dev->buffer_queue);
         }
 
         /* Decrement device usrs counter */
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index 756da78bac23..8dea0b84a3ad 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -358,8 +358,31 @@ static int vpif_stop_streaming(struct vb2_queue *vq)
 
         common = &ch->common[VPIF_VIDEO_INDEX];
 
+        /* Disable channel as per its device type and channel id */
+        if (VPIF_CHANNEL0_VIDEO == ch->channel_id) {
+                enable_channel0(0);
+                channel0_intr_enable(0);
+        }
+        if ((VPIF_CHANNEL1_VIDEO == ch->channel_id) ||
+                (2 == common->started)) {
+                enable_channel1(0);
+                channel1_intr_enable(0);
+        }
+        common->started = 0;
+
         /* release all active buffers */
         spin_lock_irqsave(&common->irqlock, flags);
+        if (common->cur_frm == common->next_frm) {
+                vb2_buffer_done(&common->cur_frm->vb, VB2_BUF_STATE_ERROR);
+        } else {
+                if (common->cur_frm != NULL)
+                        vb2_buffer_done(&common->cur_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+                if (common->next_frm != NULL)
+                        vb2_buffer_done(&common->next_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+        }
+
         while (!list_empty(&common->dma_queue)) {
                 common->next_frm = list_entry(common->dma_queue.next,
                                                 struct vpif_cap_buffer, list);
@@ -933,17 +956,6 @@ static int vpif_release(struct file *filep)
         if (fh->io_allowed[VPIF_VIDEO_INDEX]) {
                 /* Reset io_usrs member of channel object */
                 common->io_usrs = 0;
-                /* Disable channel as per its device type and channel id */
-                if (VPIF_CHANNEL0_VIDEO == ch->channel_id) {
-                        enable_channel0(0);
-                        channel0_intr_enable(0);
-                }
-                if ((VPIF_CHANNEL1_VIDEO == ch->channel_id) ||
-                    (2 == common->started)) {
-                        enable_channel1(0);
-                        channel1_intr_enable(0);
-                }
-                common->started = 0;
                 /* Free buffers allocated */
                 vb2_queue_release(&common->buffer_queue);
                 vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index 0ac841e35aa4..aed41edd0501 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -320,8 +320,31 @@ static int vpif_stop_streaming(struct vb2_queue *vq)
 
         common = &ch->common[VPIF_VIDEO_INDEX];
 
+        /* Disable channel */
+        if (VPIF_CHANNEL2_VIDEO == ch->channel_id) {
+                enable_channel2(0);
+                channel2_intr_enable(0);
+        }
+        if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) ||
+                (2 == common->started)) {
+                enable_channel3(0);
+                channel3_intr_enable(0);
+        }
+        common->started = 0;
+
         /* release all active buffers */
         spin_lock_irqsave(&common->irqlock, flags);
+        if (common->cur_frm == common->next_frm) {
+                vb2_buffer_done(&common->cur_frm->vb, VB2_BUF_STATE_ERROR);
+        } else {
+                if (common->cur_frm != NULL)
+                        vb2_buffer_done(&common->cur_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+                if (common->next_frm != NULL)
+                        vb2_buffer_done(&common->next_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+        }
+
         while (!list_empty(&common->dma_queue)) {
                 common->next_frm = list_entry(common->dma_queue.next,
                                                 struct vpif_disp_buffer, list);
@@ -773,18 +796,6 @@ static int vpif_release(struct file *filep)
         if (fh->io_allowed[VPIF_VIDEO_INDEX]) {
                 /* Reset io_usrs member of channel object */
                 common->io_usrs = 0;
-                /* Disable channel */
-                if (VPIF_CHANNEL2_VIDEO == ch->channel_id) {
-                        enable_channel2(0);
-                        channel2_intr_enable(0);
-                }
-                if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) ||
-                    (2 == common->started)) {
-                        enable_channel3(0);
-                        channel3_intr_enable(0);
-                }
-                common->started = 0;
-
                 /* Free buffers allocated */
                 vb2_queue_release(&common->buffer_queue);
                 vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
diff --git a/drivers/media/platform/exynos4-is/fimc-core.c b/drivers/media/platform/exynos4-is/fimc-core.c
index da2fc86cc524..25dbf5b05a96 100644
--- a/drivers/media/platform/exynos4-is/fimc-core.c
+++ b/drivers/media/platform/exynos4-is/fimc-core.c
@@ -122,7 +122,7 @@ static struct fimc_fmt fimc_formats[] = {
         }, {
                 .name           = "YUV 4:2:2 planar, Y/Cb/Cr",
                 .fourcc         = V4L2_PIX_FMT_YUV422P,
-                .depth          = { 12 },
+                .depth          = { 16 },
                 .color          = FIMC_FMT_YCBYCR422,
                 .memplanes      = 1,
                 .colplanes      = 3,
diff --git a/drivers/media/tuners/fc2580.c b/drivers/media/tuners/fc2580.c
index 3aecaf465094..f0c9c42867de 100644
--- a/drivers/media/tuners/fc2580.c
+++ b/drivers/media/tuners/fc2580.c
@@ -195,7 +195,7 @@ static int fc2580_set_params(struct dvb_frontend *fe)
 
         f_ref = 2UL * priv->cfg->clock / r_val;
         n_val = div_u64_rem(f_vco, f_ref, &k_val);
-        k_val_reg = 1UL * k_val * (1 << 20) / f_ref;
+        k_val_reg = div_u64(1ULL * k_val * (1 << 20), f_ref);
 
         ret = fc2580_wr_reg(priv, 0x18, r18_val | ((k_val_reg >> 16) & 0xff));
         if (ret < 0)
@@ -348,8 +348,8 @@ static int fc2580_set_params(struct dvb_frontend *fe)
         if (ret < 0)
                 goto err;
 
-        ret = fc2580_wr_reg(priv, 0x37, 1UL * priv->cfg->clock * \
-                        fc2580_if_filter_lut[i].mul / 1000000000);
+        ret = fc2580_wr_reg(priv, 0x37, div_u64(1ULL * priv->cfg->clock *
+                        fc2580_if_filter_lut[i].mul, 1000000000));
         if (ret < 0)
                 goto err;
 
diff --git a/drivers/media/tuners/fc2580_priv.h b/drivers/media/tuners/fc2580_priv.h
index be38a9e637e0..646c99452136 100644
--- a/drivers/media/tuners/fc2580_priv.h
+++ b/drivers/media/tuners/fc2580_priv.h
@@ -22,6 +22,7 @@
 #define FC2580_PRIV_H
 
 #include "fc2580.h"
+#include <linux/math64.h>
 
 struct fc2580_reg_val {
         u8 reg;
diff --git a/drivers/media/usb/dvb-usb-v2/Makefile b/drivers/media/usb/dvb-usb-v2/Makefile
index 7407b8338ccf..bc38f03394cd 100644
--- a/drivers/media/usb/dvb-usb-v2/Makefile
+++ b/drivers/media/usb/dvb-usb-v2/Makefile
@@ -41,4 +41,3 @@ ccflags-y += -I$(srctree)/drivers/media/dvb-core
 ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
 ccflags-y += -I$(srctree)/drivers/media/tuners
 ccflags-y += -I$(srctree)/drivers/media/common
-ccflags-y += -I$(srctree)/drivers/staging/media/rtl2832u_sdr
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index 61d196e8b3ab..dcbd392e6efc 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -24,7 +24,6 @@
 
 #include "rtl2830.h"
 #include "rtl2832.h"
-#include "rtl2832_sdr.h"
 
 #include "qt1010.h"
 #include "mt2060.h"
@@ -36,6 +35,45 @@
 #include "tua9001.h"
 #include "r820t.h"
 
+/*
+ * RTL2832_SDR module is in staging. That logic is added in order to avoid any
+ * hard dependency to drivers/staging/ directory as we want compile mainline
+ * driver even whole staging directory is missing.
+ */
+#include <media/v4l2-subdev.h>
+
+#if IS_ENABLED(CONFIG_DVB_RTL2832_SDR)
+struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
+        struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
+        struct v4l2_subdev *sd);
+#else
+static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
+        struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
+        struct v4l2_subdev *sd)
+{
+        return NULL;
+}
+#endif
+
+#ifdef CONFIG_MEDIA_ATTACH
+#define dvb_attach_sdr(FUNCTION, ARGS...) ({ \
+        void *__r = NULL; \
+        typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
+        if (__a) { \
+                __r = (void *) __a(ARGS); \
+                if (__r == NULL) \
+                        symbol_put(FUNCTION); \
+        } \
+        __r; \
+})
+
+#else
+#define dvb_attach_sdr(FUNCTION, ARGS...) ({ \
+        FUNCTION(ARGS); \
+})
+
+#endif
+
 static int rtl28xxu_disable_rc;
 module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
 MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
@@ -908,7 +946,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
 
                 /* attach SDR */
-                dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
+                dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
                                 &rtl28xxu_rtl2832_fc0012_config, NULL);
                 break;
         case TUNER_RTL2832_FC0013:
@@ -920,7 +958,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
 
                 /* attach SDR */
-                dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
+                dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
                                 &rtl28xxu_rtl2832_fc0013_config, NULL);
                 break;
         case TUNER_RTL2832_E4000: {
@@ -951,7 +989,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
                         i2c_set_adapdata(i2c_adap_internal, d);
 
                         /* attach SDR */
-                        dvb_attach(rtl2832_sdr_attach, adap->fe[0],
+                        dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0],
                                         i2c_adap_internal,
                                         &rtl28xxu_rtl2832_e4000_config, sd);
                 }
@@ -982,7 +1020,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
                                 adap->fe[0]->ops.tuner_ops.get_rf_strength;
 
                 /* attach SDR */
-                dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
+                dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
                                 &rtl28xxu_rtl2832_r820t_config, NULL);
                 break;
         case TUNER_RTL2832_R828D:
diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c
index 7277dbd2afcd..ecbcb39feb71 100644
--- a/drivers/media/usb/gspca/sonixb.c
+++ b/drivers/media/usb/gspca/sonixb.c
@@ -1430,10 +1430,8 @@ static const struct usb_device_id device_table[] = {
         {USB_DEVICE(0x0c45, 0x600d), SB(PAS106, 101)},
         {USB_DEVICE(0x0c45, 0x6011), SB(OV6650, 101)},
         {USB_DEVICE(0x0c45, 0x6019), SB(OV7630, 101)},
-#if !IS_ENABLED(CONFIG_USB_SN9C102)
         {USB_DEVICE(0x0c45, 0x6024), SB(TAS5130CXX, 102)},
         {USB_DEVICE(0x0c45, 0x6025), SB(TAS5130CXX, 102)},
-#endif
         {USB_DEVICE(0x0c45, 0x6027), SB(OV7630, 101)}, /* Genius Eye 310 */
         {USB_DEVICE(0x0c45, 0x6028), SB(PAS202, 102)},
         {USB_DEVICE(0x0c45, 0x6029), SB(PAS106, 102)},
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 04b2daf567be..7e2411c36419 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -178,6 +178,9 @@ struct v4l2_create_buffers32 {
 
 static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
 {
+        if (get_user(kp->type, &up->type))
+                return -EFAULT;
+
         switch (kp->type) {
         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
         case V4L2_BUF_TYPE_VIDEO_OUTPUT:
@@ -204,17 +207,16 @@ static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __us
 
 static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
 {
-        if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) ||
-                        get_user(kp->type, &up->type))
-                        return -EFAULT;
+        if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)))
+                return -EFAULT;
         return __get_v4l2_format32(kp, up);
 }
 
 static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
 {
         if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_create_buffers32)) ||
-            copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format.fmt)))
-                        return -EFAULT;
+            copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format)))
+                return -EFAULT;
         return __get_v4l2_format32(&kp->format, &up->format);
 }
 
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 9f69e818b000..93580a47cc54 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -82,7 +82,8 @@ static inline struct arp_pkt *arp_pkt(const struct sk_buff *skb)
 }
 
 /* Forward declaration */
-static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]);
+static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
+                                      bool strict_match);
 static void rlb_purge_src_ip(struct bonding *bond, struct arp_pkt *arp);
 static void rlb_src_unlink(struct bonding *bond, u32 index);
 static void rlb_src_link(struct bonding *bond, u32 ip_src_hash,
@@ -459,7 +460,7 @@ static void rlb_teach_disabled_mac_on_primary(struct bonding *bond, u8 addr[])
 
         bond->alb_info.rlb_promisc_timeout_counter = 0;
 
-        alb_send_learning_packets(bond->curr_active_slave, addr);
+        alb_send_learning_packets(bond->curr_active_slave, addr, true);
 }
 
 /* slave being removed should not be active at this point
@@ -995,7 +996,7 @@ static void rlb_clear_vlan(struct bonding *bond, unsigned short vlan_id)
 /*********************** tlb/rlb shared functions *********************/
 
 static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
-                            u16 vid)
+                            __be16 vlan_proto, u16 vid)
 {
         struct learning_pkt pkt;
         struct sk_buff *skb;
@@ -1021,7 +1022,7 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
         skb->dev = slave->dev;
 
         if (vid) {
-                skb = vlan_put_tag(skb, htons(ETH_P_8021Q), vid);
+                skb = vlan_put_tag(skb, vlan_proto, vid);
                 if (!skb) {
                         pr_err("%s: Error: failed to insert VLAN tag\n",
                                slave->bond->dev->name);
@@ -1032,22 +1033,32 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
         dev_queue_xmit(skb);
 }
 
-
-static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[])
+static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
+                                      bool strict_match)
 {
         struct bonding *bond = bond_get_bond_by_slave(slave);
         struct net_device *upper;
         struct list_head *iter;
 
         /* send untagged */
-        alb_send_lp_vid(slave, mac_addr, 0);
+        alb_send_lp_vid(slave, mac_addr, 0, 0);
 
         /* loop through vlans and send one packet for each */
         rcu_read_lock();
         netdev_for_each_all_upper_dev_rcu(bond->dev, upper, iter) {
-                if (upper->priv_flags & IFF_802_1Q_VLAN)
-                        alb_send_lp_vid(slave, mac_addr,
-                                        vlan_dev_vlan_id(upper));
+                if (is_vlan_dev(upper) && vlan_get_encap_level(upper) == 0) {
+                        if (strict_match &&
+                            ether_addr_equal_64bits(mac_addr,
+                                                    upper->dev_addr)) {
+                                alb_send_lp_vid(slave, mac_addr,
+                                                vlan_dev_vlan_proto(upper),
+                                                vlan_dev_vlan_id(upper));
+                        } else if (!strict_match) {
+                                alb_send_lp_vid(slave, upper->dev_addr,
+                                                vlan_dev_vlan_proto(upper),
+                                                vlan_dev_vlan_id(upper));
+                        }
+                }
         }
         rcu_read_unlock();
 }
@@ -1107,7 +1118,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
 
         /* fasten the change in the switch */
         if (SLAVE_IS_OK(slave1)) {
-                alb_send_learning_packets(slave1, slave1->dev->dev_addr);
+                alb_send_learning_packets(slave1, slave1->dev->dev_addr, false);
                 if (bond->alb_info.rlb_enabled) {
                         /* inform the clients that the mac address
                          * has changed
@@ -1119,7 +1130,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
         }
 
         if (SLAVE_IS_OK(slave2)) {
-                alb_send_learning_packets(slave2, slave2->dev->dev_addr);
+                alb_send_learning_packets(slave2, slave2->dev->dev_addr, false);
                 if (bond->alb_info.rlb_enabled) {
                         /* inform the clients that the mac address
                          * has changed
@@ -1490,6 +1501,8 @@ void bond_alb_monitor(struct work_struct *work)
 
         /* send learning packets */
         if (bond_info->lp_counter >= BOND_ALB_LP_TICKS(bond)) {
+                bool strict_match;
+
                 /* change of curr_active_slave involves swapping of mac addresses.
                  * in order to avoid this swapping from happening while
                  * sending the learning packets, the curr_slave_lock must be held for
@@ -1497,8 +1510,15 @@ void bond_alb_monitor(struct work_struct *work)
                  */
                 read_lock(&bond->curr_slave_lock);
 
-                bond_for_each_slave_rcu(bond, slave, iter)
-                        alb_send_learning_packets(slave, slave->dev->dev_addr);
+                bond_for_each_slave_rcu(bond, slave, iter) {
+                        /* If updating current_active, use all currently
+                         * user mac addreses (!strict_match).  Otherwise, only
+                         * use mac of the slave device.
+                         */
+                        strict_match = (slave != bond->curr_active_slave);
+                        alb_send_learning_packets(slave, slave->dev->dev_addr,
+                                                  strict_match);
+                }
 
                 read_unlock(&bond->curr_slave_lock);
 
@@ -1721,7 +1741,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
         } else {
                 /* set the new_slave to the bond mac address */
                 alb_set_slave_mac_addr(new_slave, bond->dev->dev_addr);
-                alb_send_learning_packets(new_slave, bond->dev->dev_addr);
+                alb_send_learning_packets(new_slave, bond->dev->dev_addr,
+                                          false);
         }
 
         write_lock_bh(&bond->curr_slave_lock);
@@ -1764,7 +1785,8 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
                 alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr);
 
                 read_lock(&bond->lock);
-                alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr);
+                alb_send_learning_packets(bond->curr_active_slave,
+                                          bond_dev->dev_addr, false);
                 if (bond->alb_info.rlb_enabled) {
                         /* inform clients mac address has changed */
                         rlb_req_update_slave_clients(bond, bond->curr_active_slave);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 69aff72c8957..d3a67896d435 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2126,10 +2126,10 @@ static bool bond_has_this_ip(struct bonding *bond, __be32 ip)
  */
 static void bond_arp_send(struct net_device *slave_dev, int arp_op,
                           __be32 dest_ip, __be32 src_ip,
-                          struct bond_vlan_tag *inner,
-                          struct bond_vlan_tag *outer)
+                          struct bond_vlan_tag *tags)
 {
         struct sk_buff *skb;
+        int i;
 
         pr_debug("arp %d on slave %s: dst %pI4 src %pI4\n",
                  arp_op, slave_dev->name, &dest_ip, &src_ip);
@@ -2141,21 +2141,26 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op,
                 net_err_ratelimited("ARP packet allocation failed\n");
                 return;
         }
-        if (outer->vlan_id) {
-                if (inner->vlan_id) {
-                        pr_debug("inner tag: proto %X vid %X\n",
-                                 ntohs(inner->vlan_proto), inner->vlan_id);
-                        skb = __vlan_put_tag(skb, inner->vlan_proto,
-                                             inner->vlan_id);
-                        if (!skb) {
-                                net_err_ratelimited("failed to insert inner VLAN tag\n");
-                                return;
-                        }
-                }
 
-                pr_debug("outer reg: proto %X vid %X\n",
-                         ntohs(outer->vlan_proto), outer->vlan_id);
-                skb = vlan_put_tag(skb, outer->vlan_proto, outer->vlan_id);
+        /* Go through all the tags backwards and add them to the packet */
+        for (i = BOND_MAX_VLAN_ENCAP - 1; i > 0; i--) {
+                if (!tags[i].vlan_id)
+                        continue;
+
+                pr_debug("inner tag: proto %X vid %X\n",
+                         ntohs(tags[i].vlan_proto), tags[i].vlan_id);
+                skb = __vlan_put_tag(skb, tags[i].vlan_proto,
+                                     tags[i].vlan_id);
+                if (!skb) {
+                        net_err_ratelimited("failed to insert inner VLAN tag\n");
+                        return;
+                }
+        }
+        /* Set the outer tag */
+        if (tags[0].vlan_id) {
+                pr_debug("outer tag: proto %X vid %X\n",
+                         ntohs(tags[0].vlan_proto), tags[0].vlan_id);
+                skb = vlan_put_tag(skb, tags[0].vlan_proto, tags[0].vlan_id);
                 if (!skb) {
                         net_err_ratelimited("failed to insert outer VLAN tag\n");
                         return;
@@ -2164,22 +2169,52 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op,
         arp_xmit(skb);
 }
 
+/* Validate the device path between the @start_dev and the @end_dev.
+ * The path is valid if the @end_dev is reachable through device
+ * stacking.
+ * When the path is validated, collect any vlan information in the
+ * path.
+ */
+static bool bond_verify_device_path(struct net_device *start_dev,
+                                    struct net_device *end_dev,
+                                    struct bond_vlan_tag *tags)
+{
+        struct net_device *upper;
+        struct list_head  *iter;
+        int  idx;
+
+        if (start_dev == end_dev)
+                return true;
+
+        netdev_for_each_upper_dev_rcu(start_dev, upper, iter) {
+                if (bond_verify_device_path(upper, end_dev, tags)) {
+                        if (is_vlan_dev(upper)) {
+                                idx = vlan_get_encap_level(upper);
+                                if (idx >= BOND_MAX_VLAN_ENCAP)
+                                        return false;
+
+                                tags[idx].vlan_proto =
+                                                    vlan_dev_vlan_proto(upper);
+                                tags[idx].vlan_id = vlan_dev_vlan_id(upper);
+                        }
+                        return true;
+                }
+        }
+
+        return false;
+}
 
 static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 {
-        struct net_device *upper, *vlan_upper;
-        struct list_head *iter, *vlan_iter;
         struct rtable *rt;
-        struct bond_vlan_tag inner, outer;
+        struct bond_vlan_tag tags[BOND_MAX_VLAN_ENCAP];
         __be32 *targets = bond->params.arp_targets, addr;
         int i;
+        bool ret;
 
         for (i = 0; i < BOND_MAX_ARP_TARGETS && targets[i]; i++) {
                 pr_debug("basa: target %pI4\n", &targets[i]);
-                inner.vlan_proto = 0;
-                inner.vlan_id = 0;
-                outer.vlan_proto = 0;
-                outer.vlan_id = 0;
+                memset(tags, 0, sizeof(tags));
 
                 /* Find out through which dev should the packet go */
                 rt = ip_route_output(dev_net(bond->dev), targets[i], 0,
@@ -2192,7 +2227,8 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
                                 net_warn_ratelimited("%s: no route to arp_ip_target %pI4 and arp_validate is set\n",
                                                      bond->dev->name,
                                                      &targets[i]);
-                        bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i], 0, &inner, &outer);
+                        bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
+                                      0, tags);
                         continue;
                 }
 
@@ -2201,52 +2237,12 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
                         goto found;
 
                 rcu_read_lock();
-                /* first we search only for vlan devices. for every vlan
-                 * found we verify its upper dev list, searching for the
-                 * rt->dst.dev. If found we save the tag of the vlan and
-                 * proceed to send the packet.
-                 */
-                netdev_for_each_all_upper_dev_rcu(bond->dev, vlan_upper,
-                                                  vlan_iter) {
-                        if (!is_vlan_dev(vlan_upper))
-                                continue;
-
-                        if (vlan_upper == rt->dst.dev) {
-                                outer.vlan_proto = vlan_dev_vlan_proto(vlan_upper);
-                                outer.vlan_id = vlan_dev_vlan_id(vlan_upper);
-                                rcu_read_unlock();
-                                goto found;
-                        }
-                        netdev_for_each_all_upper_dev_rcu(vlan_upper, upper,
-                                                          iter) {
-                                if (upper == rt->dst.dev) {
-                                        /* If the upper dev is a vlan dev too,
-                                         *  set the vlan tag to inner tag.
-                                         */
-                                        if (is_vlan_dev(upper)) {
-                                                inner.vlan_proto = vlan_dev_vlan_proto(upper);
-                                                inner.vlan_id = vlan_dev_vlan_id(upper);
-                                        }
-                                        outer.vlan_proto = vlan_dev_vlan_proto(vlan_upper);
-                                        outer.vlan_id = vlan_dev_vlan_id(vlan_upper);
-                                        rcu_read_unlock();
-                                        goto found;
-                                }
-                        }
-                }
-
-                /* if the device we're looking for is not on top of any of
-                 * our upper vlans, then just search for any dev that
-                 * matches, and in case it's a vlan - save the id
-                 */
-                netdev_for_each_all_upper_dev_rcu(bond->dev, upper, iter) {
-                        if (upper == rt->dst.dev) {
-                                rcu_read_unlock();
-                                goto found;
-                        }
-                }
+                ret = bond_verify_device_path(bond->dev, rt->dst.dev, tags);
                 rcu_read_unlock();
 
+                if (ret)
+                        goto found;
+
                 /* Not our device - skip */
                 pr_debug("%s: no path to arp_ip_target %pI4 via rt.dev %s\n",
                          bond->dev->name, &targets[i],
@@ -2259,7 +2255,7 @@ found:
                 addr = bond_confirm_addr(rt->dst.dev, targets[i], 0);
                 ip_rt_put(rt);
                 bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
-                              addr, &inner, &outer);
+                              addr, tags);
         }
 }
 
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 724e30fa20b9..832070298446 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -125,6 +125,7 @@ static const struct bond_opt_value bond_fail_over_mac_tbl[] = {
 static const struct bond_opt_value bond_intmax_tbl[] = {
         { "off",     0,       BOND_VALFLAG_DEFAULT},
         { "maxval",  INT_MAX, BOND_VALFLAG_MAX},
+        { NULL,      -1,      0}
 };
 
 static const struct bond_opt_value bond_lacp_rate_tbl[] = {
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index b8bdd0acc8f3..00bea320e3b5 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -36,6 +36,7 @@
 
 #define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"
 
+#define BOND_MAX_VLAN_ENCAP     2
 #define BOND_MAX_ARP_TARGETS    16
 
 #define BOND_DEFAULT_MIIMON     100
diff --git a/drivers/net/can/c_can/Kconfig b/drivers/net/can/c_can/Kconfig
index 8ab7103d4f44..61ffc12d8fd8 100644
--- a/drivers/net/can/c_can/Kconfig
+++ b/drivers/net/can/c_can/Kconfig
@@ -14,13 +14,6 @@ config CAN_C_CAN_PLATFORM
           SPEAr1310 and SPEAr320 evaluation boards & TI (www.ti.com)
           boards like am335x, dm814x, dm813x and dm811x.
 
-config CAN_C_CAN_STRICT_FRAME_ORDERING
-        bool "Force a strict RX CAN frame order (may cause frame loss)"
-        ---help---
-          The RX split buffer prevents packet reordering but can cause packet
-          loss. Only enable this option when you accept to lose CAN frames
-          in favour of getting the received CAN frames in the correct order.
-
 config CAN_C_CAN_PCI
         tristate "Generic PCI Bus based C_CAN/D_CAN driver"
         depends on PCI
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index a2ca820b5373..95e04e2002da 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -732,26 +732,12 @@ static u32 c_can_adjust_pending(u32 pend)
 static inline void c_can_rx_object_get(struct net_device *dev,
                                        struct c_can_priv *priv, u32 obj)
 {
-#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
-        if (obj < C_CAN_MSG_RX_LOW_LAST)
-                c_can_object_get(dev, IF_RX, obj, IF_COMM_RCV_LOW);
-        else
-#endif
                 c_can_object_get(dev, IF_RX, obj, priv->comm_rcv_high);
 }
 
 static inline void c_can_rx_finalize(struct net_device *dev,
                                      struct c_can_priv *priv, u32 obj)
 {
-#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
-        if (obj < C_CAN_MSG_RX_LOW_LAST)
-                priv->rxmasked |= BIT(obj - 1);
-        else if (obj == C_CAN_MSG_RX_LOW_LAST) {
-                priv->rxmasked = 0;
-                /* activate all lower message objects */
-                c_can_activate_all_lower_rx_msg_obj(dev, IF_RX);
-        }
-#endif
         if (priv->type != BOSCH_D_CAN)
                 c_can_object_get(dev, IF_RX, obj, IF_COMM_CLR_NEWDAT);
 }
@@ -799,9 +785,6 @@ static inline u32 c_can_get_pending(struct c_can_priv *priv)
 {
         u32 pend = priv->read_reg(priv, C_CAN_NEWDAT1_REG);
 
-#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
-        pend &= ~priv->rxmasked;
-#endif
         return pend;
 }
 
@@ -814,25 +797,6 @@ static inline u32 c_can_get_pending(struct c_can_priv *priv)
  * has arrived. To work-around this issue, we keep two groups of message
  * objects whose partitioning is defined by C_CAN_MSG_OBJ_RX_SPLIT.
  *
- * If CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING = y
- *
- * To ensure in-order frame reception we use the following
- * approach while re-activating a message object to receive further
- * frames:
- * - if the current message object number is lower than
- *   C_CAN_MSG_RX_LOW_LAST, do not clear the NEWDAT bit while clearing
- *   the INTPND bit.
- * - if the current message object number is equal to
- *   C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of all lower
- *   receive message objects.
- * - if the current message object number is greater than
- *   C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of
- *   only this message object.
- *
- * This can cause packet loss!
- *
- * If CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING = n
- *
  * We clear the newdat bit right away.
  *
  * This can result in packet reordering when the readout is slow.
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index c540e3d12e3d..564933ae218c 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -551,7 +551,7 @@ static int peak_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
         struct sja1000_priv *priv;
         struct peak_pci_chan *chan;
-        struct net_device *dev;
+        struct net_device *dev, *prev_dev;
         void __iomem *cfg_base, *reg_base;
         u16 sub_sys_id, icr;
         int i, err, channels;
@@ -688,11 +688,13 @@ failure_remove_channels:
         writew(0x0, cfg_base + PITA_ICR + 2);
 
         chan = NULL;
-        for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
-                unregister_sja1000dev(dev);
-                free_sja1000dev(dev);
+        for (dev = pci_get_drvdata(pdev); dev; dev = prev_dev) {
                 priv = netdev_priv(dev);
                 chan = priv->priv;
+                prev_dev = chan->prev_dev;
+
+                unregister_sja1000dev(dev);
+                free_sja1000dev(dev);
         }
 
         /* free any PCIeC resources too */
@@ -726,10 +728,12 @@ static void peak_pci_remove(struct pci_dev *pdev)
 
         /* Loop over all registered devices */
         while (1) {
+                struct net_device *prev_dev = chan->prev_dev;
+
                 dev_info(&pdev->dev, "removing device %s\n", dev->name);
                 unregister_sja1000dev(dev);
                 free_sja1000dev(dev);
-                dev = chan->prev_dev;
+                dev = prev_dev;
 
                 if (!dev) {
                         /* do that only for first channel */
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index 39b26fe28d10..d7401017a3f1 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -35,6 +35,18 @@ source "drivers/net/ethernet/calxeda/Kconfig"
 source "drivers/net/ethernet/chelsio/Kconfig"
 source "drivers/net/ethernet/cirrus/Kconfig"
 source "drivers/net/ethernet/cisco/Kconfig"
+
+config CX_ECAT
+        tristate "Beckhoff CX5020 EtherCAT master support"
+        depends on PCI
+        ---help---
+          Driver for EtherCAT master module located on CCAT FPGA
+          that can be found on Beckhoff CX5020, and possibly other of CX
+          Beckhoff CX series industrial PCs.
+
+          To compile this driver as a module, choose M here. The module
+          will be called ec_bhf.
+
 source "drivers/net/ethernet/davicom/Kconfig"
 
 config DNET
diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
index 545d0b3b9cb4..35190e36c456 100644
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_NET_CALXEDA_XGMAC) += calxeda/
 obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/
 obj-$(CONFIG_NET_VENDOR_CIRRUS) += cirrus/
 obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/
+obj-$(CONFIG_CX_ECAT) += ec_bhf.o
 obj-$(CONFIG_DM9000) += davicom/
 obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_NET_VENDOR_DEC) += dec/
diff --git a/drivers/net/ethernet/altera/Makefile b/drivers/net/ethernet/altera/Makefile
index d4a187e45369..3eff2fd3997e 100644
--- a/drivers/net/ethernet/altera/Makefile
+++ b/drivers/net/ethernet/altera/Makefile
@@ -5,3 +5,4 @@
 obj-$(CONFIG_ALTERA_TSE) += altera_tse.o
 altera_tse-objs := altera_tse_main.o altera_tse_ethtool.o \
 altera_msgdma.o altera_sgdma.o altera_utils.o
+ccflags-y += -D__CHECK_ENDIAN__
diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c
index 4d1f2fdd5c32..0fb986ba3290 100644
--- a/drivers/net/ethernet/altera/altera_msgdma.c
+++ b/drivers/net/ethernet/altera/altera_msgdma.c
@@ -37,18 +37,16 @@ void msgdma_start_rxdma(struct altera_tse_private *priv)
 void msgdma_reset(struct altera_tse_private *priv)
 {
         int counter;
-        struct msgdma_csr *txcsr =
-                (struct msgdma_csr *)priv->tx_dma_csr;
-        struct msgdma_csr *rxcsr =
-                (struct msgdma_csr *)priv->rx_dma_csr;
 
         /* Reset Rx mSGDMA */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &rxcsr->status);
-        iowrite32(MSGDMA_CSR_CTL_RESET, &rxcsr->control);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->rx_dma_csr,
+                msgdma_csroffs(status));
+        csrwr32(MSGDMA_CSR_CTL_RESET, priv->rx_dma_csr,
+                msgdma_csroffs(control));
 
         counter = 0;
         while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                if (tse_bit_is_clear(&rxcsr->status,
+                if (tse_bit_is_clear(priv->rx_dma_csr, msgdma_csroffs(status),
                                      MSGDMA_CSR_STAT_RESETTING))
                         break;
                 udelay(1);
@@ -59,15 +57,18 @@ void msgdma_reset(struct altera_tse_private *priv)
                            "TSE Rx mSGDMA resetting bit never cleared!\n");
 
         /* clear all status bits */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &rxcsr->status);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->rx_dma_csr, msgdma_csroffs(status));
 
         /* Reset Tx mSGDMA */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &txcsr->status);
-        iowrite32(MSGDMA_CSR_CTL_RESET, &txcsr->control);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->tx_dma_csr,
+                msgdma_csroffs(status));
+
+        csrwr32(MSGDMA_CSR_CTL_RESET, priv->tx_dma_csr,
+                msgdma_csroffs(control));
 
         counter = 0;
         while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                if (tse_bit_is_clear(&txcsr->status,
+                if (tse_bit_is_clear(priv->tx_dma_csr, msgdma_csroffs(status),
                                      MSGDMA_CSR_STAT_RESETTING))
                         break;
                 udelay(1);
@@ -78,58 +79,58 @@ void msgdma_reset(struct altera_tse_private *priv)
                            "TSE Tx mSGDMA resetting bit never cleared!\n");
 
         /* clear all status bits */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &txcsr->status);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->tx_dma_csr, msgdma_csroffs(status));
 }
 
 void msgdma_disable_rxirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->rx_dma_csr;
-        tse_clear_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+        tse_clear_bit(priv->rx_dma_csr, msgdma_csroffs(control),
+                      MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 
 void msgdma_enable_rxirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->rx_dma_csr;
-        tse_set_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+        tse_set_bit(priv->rx_dma_csr, msgdma_csroffs(control),
+                    MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 
 void msgdma_disable_txirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->tx_dma_csr;
-        tse_clear_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+        tse_clear_bit(priv->tx_dma_csr, msgdma_csroffs(control),
+                      MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 
 void msgdma_enable_txirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->tx_dma_csr;
-        tse_set_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+        tse_set_bit(priv->tx_dma_csr, msgdma_csroffs(control),
+                    MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 
 void msgdma_clear_rxirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->rx_dma_csr;
-        iowrite32(MSGDMA_CSR_STAT_IRQ, &csr->status);
+        csrwr32(MSGDMA_CSR_STAT_IRQ, priv->rx_dma_csr, msgdma_csroffs(status));
 }
 
 void msgdma_clear_txirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->tx_dma_csr;
-        iowrite32(MSGDMA_CSR_STAT_IRQ, &csr->status);
+        csrwr32(MSGDMA_CSR_STAT_IRQ, priv->tx_dma_csr, msgdma_csroffs(status));
 }
 
 /* return 0 to indicate transmit is pending */
 int msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
 {
-        struct msgdma_extended_desc *desc = priv->tx_dma_desc;
-
-        iowrite32(lower_32_bits(buffer->dma_addr), &desc->read_addr_lo);
-        iowrite32(upper_32_bits(buffer->dma_addr), &desc->read_addr_hi);
-        iowrite32(0, &desc->write_addr_lo);
-        iowrite32(0, &desc->write_addr_hi);
-        iowrite32(buffer->len, &desc->len);
-        iowrite32(0, &desc->burst_seq_num);
-        iowrite32(MSGDMA_DESC_TX_STRIDE, &desc->stride);
-        iowrite32(MSGDMA_DESC_CTL_TX_SINGLE, &desc->control);
+        csrwr32(lower_32_bits(buffer->dma_addr), priv->tx_dma_desc,
+                msgdma_descroffs(read_addr_lo));
+        csrwr32(upper_32_bits(buffer->dma_addr), priv->tx_dma_desc,
+                msgdma_descroffs(read_addr_hi));
+        csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(write_addr_lo));
+        csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(write_addr_hi));
+        csrwr32(buffer->len, priv->tx_dma_desc, msgdma_descroffs(len));
+        csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(burst_seq_num));
+        csrwr32(MSGDMA_DESC_TX_STRIDE, priv->tx_dma_desc,
+                msgdma_descroffs(stride));
+        csrwr32(MSGDMA_DESC_CTL_TX_SINGLE, priv->tx_dma_desc,
+                msgdma_descroffs(control));
         return 0;
 }
 
@@ -138,17 +139,16 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv)
         u32 ready = 0;
         u32 inuse;
         u32 status;
-        struct msgdma_csr *txcsr =
-                (struct msgdma_csr *)priv->tx_dma_csr;
 
         /* Get number of sent descriptors */
-        inuse = ioread32(&txcsr->rw_fill_level) & 0xffff;
+        inuse = csrrd32(priv->tx_dma_csr, msgdma_csroffs(rw_fill_level))
+                        & 0xffff;
 
         if (inuse) { /* Tx FIFO is not empty */
                 ready = priv->tx_prod - priv->tx_cons - inuse - 1;
         } else {
                 /* Check for buffered last packet */
-                status = ioread32(&txcsr->status);
+                status = csrrd32(priv->tx_dma_csr, msgdma_csroffs(status));
                 if (status & MSGDMA_CSR_STAT_BUSY)
                         ready = priv->tx_prod - priv->tx_cons - 1;
                 else
@@ -162,7 +162,6 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv)
 void msgdma_add_rx_desc(struct altera_tse_private *priv,
                         struct tse_buffer *rxbuffer)
 {
-        struct msgdma_extended_desc *desc = priv->rx_dma_desc;
         u32 len = priv->rx_dma_buf_sz;
         dma_addr_t dma_addr = rxbuffer->dma_addr;
         u32 control = (MSGDMA_DESC_CTL_END_ON_EOP
@@ -172,14 +171,16 @@ void msgdma_add_rx_desc(struct altera_tse_private *priv,
                         | MSGDMA_DESC_CTL_TR_ERR_IRQ
                         | MSGDMA_DESC_CTL_GO);
 
-        iowrite32(0, &desc->read_addr_lo);
-        iowrite32(0, &desc->read_addr_hi);
-        iowrite32(lower_32_bits(dma_addr), &desc->write_addr_lo);
-        iowrite32(upper_32_bits(dma_addr), &desc->write_addr_hi);
-        iowrite32(len, &desc->len);
-        iowrite32(0, &desc->burst_seq_num);
-        iowrite32(0x00010001, &desc->stride);
-        iowrite32(control, &desc->control);
+        csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(read_addr_lo));
+        csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(read_addr_hi));
+        csrwr32(lower_32_bits(dma_addr), priv->rx_dma_desc,
+                msgdma_descroffs(write_addr_lo));
+        csrwr32(upper_32_bits(dma_addr), priv->rx_dma_desc,
+                msgdma_descroffs(write_addr_hi));
+        csrwr32(len, priv->rx_dma_desc, msgdma_descroffs(len));
+        csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(burst_seq_num));
+        csrwr32(0x00010001, priv->rx_dma_desc, msgdma_descroffs(stride));
+        csrwr32(control, priv->rx_dma_desc, msgdma_descroffs(control));
 }
 
 /* status is returned on upper 16 bits,
@@ -190,14 +191,13 @@ u32 msgdma_rx_status(struct altera_tse_private *priv)
         u32 rxstatus = 0;
         u32 pktlength;
         u32 pktstatus;
-        struct msgdma_csr *rxcsr =
-                (struct msgdma_csr *)priv->rx_dma_csr;
-        struct msgdma_response *rxresp =
-                (struct msgdma_response *)priv->rx_dma_resp;
-
-        if (ioread32(&rxcsr->resp_fill_level) & 0xffff) {
-                pktlength = ioread32(&rxresp->bytes_transferred);
-                pktstatus = ioread32(&rxresp->status);
+
+        if (csrrd32(priv->rx_dma_csr, msgdma_csroffs(resp_fill_level))
+            & 0xffff) {
+                pktlength = csrrd32(priv->rx_dma_resp,
+                                    msgdma_respoffs(bytes_transferred));
+                pktstatus = csrrd32(priv->rx_dma_resp,
+                                    msgdma_respoffs(status));
                 rxstatus = pktstatus;
                 rxstatus = rxstatus << 16;
                 rxstatus |= (pktlength & 0xffff);
diff --git a/drivers/net/ethernet/altera/altera_msgdmahw.h b/drivers/net/ethernet/altera/altera_msgdmahw.h
index d7b59ba4019c..e335626e1b6b 100644
--- a/drivers/net/ethernet/altera/altera_msgdmahw.h
+++ b/drivers/net/ethernet/altera/altera_msgdmahw.h
@@ -17,15 +17,6 @@
 #ifndef __ALTERA_MSGDMAHW_H__
 #define __ALTERA_MSGDMAHW_H__
 
-/* mSGDMA standard descriptor format
- */
-struct msgdma_desc {
-        u32 read_addr;  /* data buffer source address */
-        u32 write_addr; /* data buffer destination address */
-        u32 len;        /* the number of bytes to transfer per descriptor */
-        u32 control;    /* characteristics of the transfer */
-};
-
 /* mSGDMA extended descriptor format
  */
 struct msgdma_extended_desc {
@@ -159,6 +150,10 @@ struct msgdma_response {
         u32 status;
 };
 
+#define msgdma_respoffs(a) (offsetof(struct msgdma_response, a))
+#define msgdma_csroffs(a) (offsetof(struct msgdma_csr, a))
+#define msgdma_descroffs(a) (offsetof(struct msgdma_extended_desc, a))
+
 /* mSGDMA response register bit definitions
  */
 #define MSGDMA_RESP_EARLY_TERM  BIT(8)
diff --git a/drivers/net/ethernet/altera/altera_sgdma.c b/drivers/net/ethernet/altera/altera_sgdma.c
index 9ce8630692b6..99cc56f451cf 100644
--- a/drivers/net/ethernet/altera/altera_sgdma.c
+++ b/drivers/net/ethernet/altera/altera_sgdma.c
@@ -20,8 +20,8 @@
 #include "altera_sgdmahw.h"
 #include "altera_sgdma.h"
 
-static void sgdma_setup_descrip(struct sgdma_descrip *desc,
-                                struct sgdma_descrip *ndesc,
+static void sgdma_setup_descrip(struct sgdma_descrip __iomem *desc,
+                                struct sgdma_descrip __iomem *ndesc,
                                 dma_addr_t ndesc_phys,
                                 dma_addr_t raddr,
                                 dma_addr_t waddr,
@@ -31,17 +31,17 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
                                 int wfixed);
 
 static int sgdma_async_write(struct altera_tse_private *priv,
-                              struct sgdma_descrip *desc);
+                              struct sgdma_descrip __iomem *desc);
 
 static int sgdma_async_read(struct altera_tse_private *priv);
 
 static dma_addr_t
 sgdma_txphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc);
+                 struct sgdma_descrip __iomem *desc);
 
 static dma_addr_t
 sgdma_rxphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc);
+                 struct sgdma_descrip __iomem *desc);
 
 static int sgdma_txbusy(struct altera_tse_private *priv);
 
@@ -79,7 +79,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
         priv->rxdescphys = (dma_addr_t) 0;
         priv->txdescphys = (dma_addr_t) 0;
 
-        priv->rxdescphys = dma_map_single(priv->device, priv->rx_dma_desc,
+        priv->rxdescphys = dma_map_single(priv->device,
+                                          (void __force *)priv->rx_dma_desc,
                                           priv->rxdescmem, DMA_BIDIRECTIONAL);
 
         if (dma_mapping_error(priv->device, priv->rxdescphys)) {
@@ -88,7 +89,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
                 return -EINVAL;
         }
 
-        priv->txdescphys = dma_map_single(priv->device, priv->tx_dma_desc,
+        priv->txdescphys = dma_map_single(priv->device,
+                                          (void __force *)priv->tx_dma_desc,
                                           priv->txdescmem, DMA_TO_DEVICE);
 
         if (dma_mapping_error(priv->device, priv->txdescphys)) {
@@ -98,8 +100,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
         }
 
         /* Initialize descriptor memory to all 0's, sync memory to cache */
-        memset(priv->tx_dma_desc, 0, priv->txdescmem);
-        memset(priv->rx_dma_desc, 0, priv->rxdescmem);
+        memset_io(priv->tx_dma_desc, 0, priv->txdescmem);
+        memset_io(priv->rx_dma_desc, 0, priv->rxdescmem);
 
         dma_sync_single_for_device(priv->device, priv->txdescphys,
                                    priv->txdescmem, DMA_TO_DEVICE);
@@ -126,22 +128,15 @@ void sgdma_uninitialize(struct altera_tse_private *priv)
  */
 void sgdma_reset(struct altera_tse_private *priv)
 {
-        u32 *ptxdescripmem = (u32 *)priv->tx_dma_desc;
-        u32 txdescriplen   = priv->txdescmem;
-        u32 *prxdescripmem = (u32 *)priv->rx_dma_desc;
-        u32 rxdescriplen   = priv->rxdescmem;
-        struct sgdma_csr *ptxsgdma = (struct sgdma_csr *)priv->tx_dma_csr;
-        struct sgdma_csr *prxsgdma = (struct sgdma_csr *)priv->rx_dma_csr;
-
         /* Initialize descriptor memory to 0 */
-        memset(ptxdescripmem, 0, txdescriplen);
-        memset(prxdescripmem, 0, rxdescriplen);
+        memset_io(priv->tx_dma_desc, 0, priv->txdescmem);
+        memset_io(priv->rx_dma_desc, 0, priv->rxdescmem);
 
-        iowrite32(SGDMA_CTRLREG_RESET, &ptxsgdma->control);
-        iowrite32(0, &ptxsgdma->control);
+        csrwr32(SGDMA_CTRLREG_RESET, priv->tx_dma_csr, sgdma_csroffs(control));
+        csrwr32(0, priv->tx_dma_csr, sgdma_csroffs(control));
 
-        iowrite32(SGDMA_CTRLREG_RESET, &prxsgdma->control);
-        iowrite32(0, &prxsgdma->control);
+        csrwr32(SGDMA_CTRLREG_RESET, priv->rx_dma_csr, sgdma_csroffs(control));
+        csrwr32(0, priv->rx_dma_csr, sgdma_csroffs(control));
 }
 
 /* For SGDMA, interrupts remain enabled after initially enabling,
@@ -167,14 +162,14 @@ void sgdma_disable_txirq(struct altera_tse_private *priv)
 
 void sgdma_clear_rxirq(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
-        tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
+        tse_set_bit(priv->rx_dma_csr, sgdma_csroffs(control),
+                    SGDMA_CTRLREG_CLRINT);
 }
 
 void sgdma_clear_txirq(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
-        tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
+        tse_set_bit(priv->tx_dma_csr, sgdma_csroffs(control),
+                    SGDMA_CTRLREG_CLRINT);
 }
 
 /* transmits buffer through SGDMA. Returns number of buffers
@@ -184,12 +179,11 @@ void sgdma_clear_txirq(struct altera_tse_private *priv)
  */
 int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
 {
-        int pktstx = 0;
-        struct sgdma_descrip *descbase =
-                (struct sgdma_descrip *)priv->tx_dma_desc;
+        struct sgdma_descrip __iomem *descbase =
+                (struct sgdma_descrip __iomem *)priv->tx_dma_desc;
 
-        struct sgdma_descrip *cdesc = &descbase[0];
-        struct sgdma_descrip *ndesc = &descbase[1];
+        struct sgdma_descrip __iomem *cdesc = &descbase[0];
+        struct sgdma_descrip __iomem *ndesc = &descbase[1];
 
         /* wait 'til the tx sgdma is ready for the next transmit request */
         if (sgdma_txbusy(priv))
@@ -205,7 +199,7 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
                             0,                          /* read fixed */
                             SGDMA_CONTROL_WR_FIXED);    /* Generate SOP */
 
-        pktstx = sgdma_async_write(priv, cdesc);
+        sgdma_async_write(priv, cdesc);
 
         /* enqueue the request to the pending transmit queue */
         queue_tx(priv, buffer);
@@ -219,10 +213,10 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
 u32 sgdma_tx_completions(struct altera_tse_private *priv)
 {
         u32 ready = 0;
-        struct sgdma_descrip *desc = (struct sgdma_descrip *)priv->tx_dma_desc;
 
         if (!sgdma_txbusy(priv) &&
-            ((desc->control & SGDMA_CONTROL_HW_OWNED) == 0) &&
+            ((csrrd8(priv->tx_dma_desc, sgdma_descroffs(control))
+             & SGDMA_CONTROL_HW_OWNED) == 0) &&
             (dequeue_tx(priv))) {
                 ready = 1;
         }
@@ -246,32 +240,31 @@ void sgdma_add_rx_desc(struct altera_tse_private *priv,
  */
 u32 sgdma_rx_status(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
-        struct sgdma_descrip *base = (struct sgdma_descrip *)priv->rx_dma_desc;
-        struct sgdma_descrip *desc = NULL;
-        int pktsrx;
-        unsigned int rxstatus = 0;
-        unsigned int pktlength = 0;
-        unsigned int pktstatus = 0;
+        struct sgdma_descrip __iomem *base =
+                (struct sgdma_descrip __iomem *)priv->rx_dma_desc;
+        struct sgdma_descrip __iomem *desc = NULL;
         struct tse_buffer *rxbuffer = NULL;
+        unsigned int rxstatus = 0;
 
-        u32 sts = ioread32(&csr->status);
+        u32 sts = csrrd32(priv->rx_dma_csr, sgdma_csroffs(status));
 
         desc = &base[0];
         if (sts & SGDMA_STSREG_EOP) {
+                unsigned int pktlength = 0;
+                unsigned int pktstatus = 0;
                 dma_sync_single_for_cpu(priv->device,
                                         priv->rxdescphys,
                                         priv->sgdmadesclen,
                                         DMA_FROM_DEVICE);
 
-                pktlength = desc->bytes_xferred;
-                pktstatus = desc->status & 0x3f;
-                rxstatus = pktstatus;
+                pktlength = csrrd16(desc, sgdma_descroffs(bytes_xferred));
+                pktstatus = csrrd8(desc, sgdma_descroffs(status));
+                rxstatus = pktstatus & ~SGDMA_STATUS_EOP;
                 rxstatus = rxstatus << 16;
                 rxstatus |= (pktlength & 0xffff);
 
                 if (rxstatus) {
-                        desc->status = 0;
+                        csrwr8(0, desc, sgdma_descroffs(status));
 
                         rxbuffer = dequeue_rx(priv);
                         if (rxbuffer == NULL)
@@ -279,12 +272,12 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
                                             "sgdma rx and rx queue empty!\n");
 
                         /* Clear control */
-                        iowrite32(0, &csr->control);
+                        csrwr32(0, priv->rx_dma_csr, sgdma_csroffs(control));
                         /* clear status */
-                        iowrite32(0xf, &csr->status);
+                        csrwr32(0xf, priv->rx_dma_csr, sgdma_csroffs(status));
 
                         /* kick the rx sgdma after reaping this descriptor */
-                        pktsrx = sgdma_async_read(priv);
+                        sgdma_async_read(priv);
 
                 } else {
                         /* If the SGDMA indicated an end of packet on recv,
@@ -298,10 +291,11 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
                          */
                         netdev_err(priv->dev,
                                    "SGDMA RX Error Info: %x, %x, %x\n",
-                                   sts, desc->status, rxstatus);
+                                   sts, csrrd8(desc, sgdma_descroffs(status)),
+                                   rxstatus);
                 }
         } else if (sts == 0) {
-                pktsrx = sgdma_async_read(priv);
+                sgdma_async_read(priv);
         }
 
         return rxstatus;
@@ -309,8 +303,8 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
 
 
 /* Private functions */
-static void sgdma_setup_descrip(struct sgdma_descrip *desc,
-                                struct sgdma_descrip *ndesc,
+static void sgdma_setup_descrip(struct sgdma_descrip __iomem *desc,
+                                struct sgdma_descrip __iomem *ndesc,
                                 dma_addr_t ndesc_phys,
                                 dma_addr_t raddr,
                                 dma_addr_t waddr,
@@ -320,27 +314,30 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
                                 int wfixed)
 {
         /* Clear the next descriptor as not owned by hardware */
-        u32 ctrl = ndesc->control;
+
+        u32 ctrl = csrrd8(ndesc, sgdma_descroffs(control));
         ctrl &= ~SGDMA_CONTROL_HW_OWNED;
-        ndesc->control = ctrl;
+        csrwr8(ctrl, ndesc, sgdma_descroffs(control));
 
-        ctrl = 0;
         ctrl = SGDMA_CONTROL_HW_OWNED;
         ctrl |= generate_eop;
         ctrl |= rfixed;
         ctrl |= wfixed;
 
         /* Channel is implicitly zero, initialized to 0 by default */
-
-        desc->raddr = raddr;
-        desc->waddr = waddr;
-        desc->next = lower_32_bits(ndesc_phys);
-        desc->control = ctrl;
-        desc->status = 0;
-        desc->rburst = 0;
-        desc->wburst = 0;
-        desc->bytes = length;
-        desc->bytes_xferred = 0;
+        csrwr32(lower_32_bits(raddr), desc, sgdma_descroffs(raddr));
+        csrwr32(lower_32_bits(waddr), desc, sgdma_descroffs(waddr));
+
+        csrwr32(0, desc, sgdma_descroffs(pad1));
+        csrwr32(0, desc, sgdma_descroffs(pad2));
+        csrwr32(lower_32_bits(ndesc_phys), desc, sgdma_descroffs(next));
+
+        csrwr8(ctrl, desc, sgdma_descroffs(control));
+        csrwr8(0, desc, sgdma_descroffs(status));
+        csrwr8(0, desc, sgdma_descroffs(wburst));
+        csrwr8(0, desc, sgdma_descroffs(rburst));
+        csrwr16(length, desc, sgdma_descroffs(bytes));
+        csrwr16(0, desc, sgdma_descroffs(bytes_xferred));
 }
 
 /* If hardware is busy, don't restart async read.
@@ -351,12 +348,11 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
  */
 static int sgdma_async_read(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
-        struct sgdma_descrip *descbase =
-                (struct sgdma_descrip *)priv->rx_dma_desc;
+        struct sgdma_descrip __iomem *descbase =
+                (struct sgdma_descrip __iomem *)priv->rx_dma_desc;
 
-        struct sgdma_descrip *cdesc = &descbase[0];
-        struct sgdma_descrip *ndesc = &descbase[1];
+        struct sgdma_descrip __iomem *cdesc = &descbase[0];
+        struct sgdma_descrip __iomem *ndesc = &descbase[1];
 
         struct tse_buffer *rxbuffer = NULL;
 
@@ -382,11 +378,13 @@ static int sgdma_async_read(struct altera_tse_private *priv)
                                            priv->sgdmadesclen,
                                            DMA_TO_DEVICE);
 
-                iowrite32(lower_32_bits(sgdma_rxphysaddr(priv, cdesc)),
-                          &csr->next_descrip);
+                csrwr32(lower_32_bits(sgdma_rxphysaddr(priv, cdesc)),
+                        priv->rx_dma_csr,
+                        sgdma_csroffs(next_descrip));
 
-                iowrite32((priv->rxctrlreg | SGDMA_CTRLREG_START),
-                          &csr->control);
+                csrwr32((priv->rxctrlreg | SGDMA_CTRLREG_START),
+                        priv->rx_dma_csr,
+                        sgdma_csroffs(control));
 
                 return 1;
         }
@@ -395,32 +393,32 @@ static int sgdma_async_read(struct altera_tse_private *priv)
 }
 
 static int sgdma_async_write(struct altera_tse_private *priv,
-                             struct sgdma_descrip *desc)
+                             struct sgdma_descrip __iomem *desc)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
-
         if (sgdma_txbusy(priv))
                 return 0;
 
         /* clear control and status */
-        iowrite32(0, &csr->control);
-        iowrite32(0x1f, &csr->status);
+        csrwr32(0, priv->tx_dma_csr, sgdma_csroffs(control));
+        csrwr32(0x1f, priv->tx_dma_csr, sgdma_csroffs(status));
 
         dma_sync_single_for_device(priv->device, priv->txdescphys,
                                    priv->sgdmadesclen, DMA_TO_DEVICE);
 
-        iowrite32(lower_32_bits(sgdma_txphysaddr(priv, desc)),
-                  &csr->next_descrip);
+        csrwr32(lower_32_bits(sgdma_txphysaddr(priv, desc)),
+                priv->tx_dma_csr,
+                sgdma_csroffs(next_descrip));
 
-        iowrite32((priv->txctrlreg | SGDMA_CTRLREG_START),
-                  &csr->control);
+        csrwr32((priv->txctrlreg | SGDMA_CTRLREG_START),
+                priv->tx_dma_csr,
+                sgdma_csroffs(control));
 
         return 1;
 }
 
 static dma_addr_t
 sgdma_txphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc)
+                 struct sgdma_descrip __iomem *desc)
 {
         dma_addr_t paddr = priv->txdescmem_busaddr;
         uintptr_t offs = (uintptr_t)desc - (uintptr_t)priv->tx_dma_desc;
@@ -429,7 +427,7 @@ sgdma_txphysaddr(struct altera_tse_private *priv,
 
 static dma_addr_t
 sgdma_rxphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc)
+                 struct sgdma_descrip __iomem *desc)
 {
         dma_addr_t paddr = priv->rxdescmem_busaddr;
         uintptr_t offs = (uintptr_t)desc - (uintptr_t)priv->rx_dma_desc;
@@ -518,8 +516,8 @@ queue_rx_peekhead(struct altera_tse_private *priv)
  */
 static int sgdma_rxbusy(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
-        return ioread32(&csr->status) & SGDMA_STSREG_BUSY;
+        return csrrd32(priv->rx_dma_csr, sgdma_csroffs(status))
+                       & SGDMA_STSREG_BUSY;
 }
 
 /* waits for the tx sgdma to finish it's current operation, returns 0
@@ -528,13 +526,14 @@ static int sgdma_rxbusy(struct altera_tse_private *priv)
 static int sgdma_txbusy(struct altera_tse_private *priv)
 {
         int delay = 0;
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
 
         /* if DMA is busy, wait for current transactino to finish */
-        while ((ioread32(&csr->status) & SGDMA_STSREG_BUSY) && (delay++ < 100))
+        while ((csrrd32(priv->tx_dma_csr, sgdma_csroffs(status))
+                & SGDMA_STSREG_BUSY) && (delay++ < 100))
                 udelay(1);
 
-        if (ioread32(&csr->status) & SGDMA_STSREG_BUSY) {
+        if (csrrd32(priv->tx_dma_csr, sgdma_csroffs(status))
+            & SGDMA_STSREG_BUSY) {
                 netdev_err(priv->dev, "timeout waiting for tx dma\n");
                 return 1;
         }
diff --git a/drivers/net/ethernet/altera/altera_sgdmahw.h b/drivers/net/ethernet/altera/altera_sgdmahw.h
index ba3334f35383..85bc33b218d9 100644
--- a/drivers/net/ethernet/altera/altera_sgdmahw.h
+++ b/drivers/net/ethernet/altera/altera_sgdmahw.h
@@ -19,16 +19,16 @@
 
 /* SGDMA descriptor structure */
 struct sgdma_descrip {
-        unsigned int    raddr; /* address of data to be read */
-        unsigned int    pad1;
-        unsigned int    waddr;
-        unsigned int    pad2;
-        unsigned int    next;
-        unsigned int    pad3;
-        unsigned short  bytes;
-        unsigned char   rburst;
-        unsigned char   wburst;
-        unsigned short  bytes_xferred;  /* 16 bits, bytes xferred */
+        u32     raddr; /* address of data to be read */
+        u32     pad1;
+        u32     waddr;
+        u32     pad2;
+        u32     next;
+        u32     pad3;
+        u16     bytes;
+        u8      rburst;
+        u8      wburst;
+        u16     bytes_xferred;  /* 16 bits, bytes xferred */
 
         /* bit 0: error
          * bit 1: length error
@@ -39,7 +39,7 @@ struct sgdma_descrip {
          * bit 6: reserved
          * bit 7: status eop for recv case
          */
-        unsigned char   status;
+        u8      status;
 
         /* bit 0: eop
          * bit 1: read_fixed
@@ -47,7 +47,7 @@ struct sgdma_descrip {
          * bits 3,4,5,6: Channel (always 0)
          * bit 7: hardware owned
          */
-        unsigned char   control;
+        u8      control;
 } __packed;
 
 
@@ -101,6 +101,8 @@ struct sgdma_csr {
         u32     pad3[3];
 };
 
+#define sgdma_csroffs(a) (offsetof(struct sgdma_csr, a))
+#define sgdma_descroffs(a) (offsetof(struct sgdma_descrip, a))
 
 #define SGDMA_STSREG_ERR        BIT(0) /* Error */
 #define SGDMA_STSREG_EOP        BIT(1) /* EOP */
diff --git a/drivers/net/ethernet/altera/altera_tse.h b/drivers/net/ethernet/altera/altera_tse.h
index 465c4aabebbd..2adb24d4523c 100644
--- a/drivers/net/ethernet/altera/altera_tse.h
+++ b/drivers/net/ethernet/altera/altera_tse.h
@@ -357,6 +357,8 @@ struct altera_tse_mac {
         u32 reserved5[42];
 };
 
+#define tse_csroffs(a) (offsetof(struct altera_tse_mac, a))
+
 /* Transmit and Receive Command Registers Bit Definitions
  */
 #define ALTERA_TSE_TX_CMD_STAT_OMIT_CRC         BIT(17)
@@ -487,4 +489,49 @@ struct altera_tse_private {
  */
 void altera_tse_set_ethtool_ops(struct net_device *);
 
+static inline
+u32 csrrd32(void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        return readl(paddr);
+}
+
+static inline
+u16 csrrd16(void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        return readw(paddr);
+}
+
+static inline
+u8 csrrd8(void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        return readb(paddr);
+}
+
+static inline
+void csrwr32(u32 val, void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+
+        writel(val, paddr);
+}
+
+static inline
+void csrwr16(u16 val, void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+
+        writew(val, paddr);
+}
+
+static inline
+void csrwr8(u8 val, void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+
+        writeb(val, paddr);
+}
+
 #endif /* __ALTERA_TSE_H__ */
diff --git a/drivers/net/ethernet/altera/altera_tse_ethtool.c b/drivers/net/ethernet/altera/altera_tse_ethtool.c
index 76133caffa78..54c25eff7952 100644
--- a/drivers/net/ethernet/altera/altera_tse_ethtool.c
+++ b/drivers/net/ethernet/altera/altera_tse_ethtool.c
@@ -96,54 +96,89 @@ static void tse_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
                            u64 *buf)
 {
         struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
         u64 ext;
 
-        buf[0] = ioread32(&mac->frames_transmitted_ok);
-        buf[1] = ioread32(&mac->frames_received_ok);
-        buf[2] = ioread32(&mac->frames_check_sequence_errors);
-        buf[3] = ioread32(&mac->alignment_errors);
+        buf[0] = csrrd32(priv->mac_dev,
+                         tse_csroffs(frames_transmitted_ok));
+        buf[1] = csrrd32(priv->mac_dev,
+                         tse_csroffs(frames_received_ok));
+        buf[2] = csrrd32(priv->mac_dev,
+                         tse_csroffs(frames_check_sequence_errors));
+        buf[3] = csrrd32(priv->mac_dev,
+                         tse_csroffs(alignment_errors));
 
         /* Extended aOctetsTransmittedOK counter */
-        ext = (u64) ioread32(&mac->msb_octets_transmitted_ok) << 32;
-        ext |= ioread32(&mac->octets_transmitted_ok);
+        ext = (u64) csrrd32(priv->mac_dev,
+                            tse_csroffs(msb_octets_transmitted_ok)) << 32;
+
+        ext |= csrrd32(priv->mac_dev,
+                       tse_csroffs(octets_transmitted_ok));
         buf[4] = ext;
 
         /* Extended aOctetsReceivedOK counter */
-        ext = (u64) ioread32(&mac->msb_octets_received_ok) << 32;
-        ext |= ioread32(&mac->octets_received_ok);
+        ext = (u64) csrrd32(priv->mac_dev,
+                            tse_csroffs(msb_octets_received_ok)) << 32;
+
+        ext |= csrrd32(priv->mac_dev,
+                       tse_csroffs(octets_received_ok));
         buf[5] = ext;
 
-        buf[6] = ioread32(&mac->tx_pause_mac_ctrl_frames);
-        buf[7] = ioread32(&mac->rx_pause_mac_ctrl_frames);
-        buf[8] = ioread32(&mac->if_in_errors);
-        buf[9] = ioread32(&mac->if_out_errors);
-        buf[10] = ioread32(&mac->if_in_ucast_pkts);
-        buf[11] = ioread32(&mac->if_in_multicast_pkts);
-        buf[12] = ioread32(&mac->if_in_broadcast_pkts);
-        buf[13] = ioread32(&mac->if_out_discards);
-        buf[14] = ioread32(&mac->if_out_ucast_pkts);
-        buf[15] = ioread32(&mac->if_out_multicast_pkts);
-        buf[16] = ioread32(&mac->if_out_broadcast_pkts);
-        buf[17] = ioread32(&mac->ether_stats_drop_events);
+        buf[6] = csrrd32(priv->mac_dev,
+                         tse_csroffs(tx_pause_mac_ctrl_frames));
+        buf[7] = csrrd32(priv->mac_dev,
+                         tse_csroffs(rx_pause_mac_ctrl_frames));
+        buf[8] = csrrd32(priv->mac_dev,
+                         tse_csroffs(if_in_errors));
+        buf[9] = csrrd32(priv->mac_dev,
+                         tse_csroffs(if_out_errors));
+        buf[10] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_in_ucast_pkts));
+        buf[11] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_in_multicast_pkts));
+        buf[12] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_in_broadcast_pkts));
+        buf[13] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_discards));
+        buf[14] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_ucast_pkts));
+        buf[15] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_multicast_pkts));
+        buf[16] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_broadcast_pkts));
+        buf[17] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_drop_events));
 
         /* Extended etherStatsOctets counter */
-        ext = (u64) ioread32(&mac->msb_ether_stats_octets) << 32;
-        ext |= ioread32(&mac->ether_stats_octets);
+        ext = (u64) csrrd32(priv->mac_dev,
+                            tse_csroffs(msb_ether_stats_octets)) << 32;
+        ext |= csrrd32(priv->mac_dev,
+                       tse_csroffs(ether_stats_octets));
         buf[18] = ext;
 
-        buf[19] = ioread32(&mac->ether_stats_pkts);
-        buf[20] = ioread32(&mac->ether_stats_undersize_pkts);
-        buf[21] = ioread32(&mac->ether_stats_oversize_pkts);
-        buf[22] = ioread32(&mac->ether_stats_pkts_64_octets);
-        buf[23] = ioread32(&mac->ether_stats_pkts_65to127_octets);
-        buf[24] = ioread32(&mac->ether_stats_pkts_128to255_octets);
-        buf[25] = ioread32(&mac->ether_stats_pkts_256to511_octets);
-        buf[26] = ioread32(&mac->ether_stats_pkts_512to1023_octets);
-        buf[27] = ioread32(&mac->ether_stats_pkts_1024to1518_octets);
-        buf[28] = ioread32(&mac->ether_stats_pkts_1519tox_octets);
-        buf[29] = ioread32(&mac->ether_stats_jabbers);
-        buf[30] = ioread32(&mac->ether_stats_fragments);
+        buf[19] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts));
+        buf[20] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_undersize_pkts));
+        buf[21] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_oversize_pkts));
+        buf[22] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_64_octets));
+        buf[23] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_65to127_octets));
+        buf[24] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_128to255_octets));
+        buf[25] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_256to511_octets));
+        buf[26] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_512to1023_octets));
+        buf[27] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_1024to1518_octets));
+        buf[28] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_1519tox_octets));
+        buf[29] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_jabbers));
+        buf[30] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_fragments));
 }
 
 static int tse_sset_count(struct net_device *dev, int sset)
@@ -178,7 +213,6 @@ static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
 {
         int i;
         struct altera_tse_private *priv = netdev_priv(dev);
-        u32 *tse_mac_regs = (u32 *)priv->mac_dev;
         u32 *buf = regbuf;
 
         /* Set version to a known value, so ethtool knows
@@ -196,7 +230,7 @@ static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
         regs->version = 1;
 
         for (i = 0; i < TSE_NUM_REGS; i++)
-                buf[i] = ioread32(&tse_mac_regs[i]);
+                buf[i] = csrrd32(priv->mac_dev, i * 4);
 }
 
 static int tse_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index e44a4aeb9701..7330681574d2 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -100,29 +100,30 @@ static inline u32 tse_tx_avail(struct altera_tse_private *priv)
  */
 static int altera_tse_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
 {
-        struct altera_tse_mac *mac = (struct altera_tse_mac *)bus->priv;
-        unsigned int *mdio_regs = (unsigned int *)&mac->mdio_phy0;
-        u32 data;
+        struct net_device *ndev = bus->priv;
+        struct altera_tse_private *priv = netdev_priv(ndev);
 
         /* set MDIO address */
-        iowrite32((mii_id & 0x1f), &mac->mdio_phy0_addr);
+        csrwr32((mii_id & 0x1f), priv->mac_dev,
+                tse_csroffs(mdio_phy0_addr));
 
         /* get the data */
-        data = ioread32(&mdio_regs[regnum]) & 0xffff;
-        return data;
+        return csrrd32(priv->mac_dev,
+                       tse_csroffs(mdio_phy0) + regnum * 4) & 0xffff;
 }
 
 static int altera_tse_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
                                  u16 value)
 {
-        struct altera_tse_mac *mac = (struct altera_tse_mac *)bus->priv;
-        unsigned int *mdio_regs = (unsigned int *)&mac->mdio_phy0;
+        struct net_device *ndev = bus->priv;
+        struct altera_tse_private *priv = netdev_priv(ndev);
 
         /* set MDIO address */
-        iowrite32((mii_id & 0x1f), &mac->mdio_phy0_addr);
+        csrwr32((mii_id & 0x1f), priv->mac_dev,
+                tse_csroffs(mdio_phy0_addr));
 
         /* write the data */
-        iowrite32((u32) value, &mdio_regs[regnum]);
+        csrwr32(value, priv->mac_dev, tse_csroffs(mdio_phy0) + regnum * 4);
         return 0;
 }
 
@@ -168,7 +169,7 @@ static int altera_tse_mdio_create(struct net_device *dev, unsigned int id)
         for (i = 0; i < PHY_MAX_ADDR; i++)
                 mdio->irq[i] = PHY_POLL;
 
-        mdio->priv = priv->mac_dev;
+        mdio->priv = dev;
         mdio->parent = priv->device;
 
         ret = of_mdiobus_register(mdio, mdio_node);
@@ -563,7 +564,6 @@ static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
         unsigned int nopaged_len = skb_headlen(skb);
         enum netdev_tx ret = NETDEV_TX_OK;
         dma_addr_t dma_addr;
-        int txcomplete = 0;
 
         spin_lock_bh(&priv->tx_lock);
 
@@ -599,7 +599,7 @@ static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
         dma_sync_single_for_device(priv->device, buffer->dma_addr,
                                    buffer->len, DMA_TO_DEVICE);
 
-        txcomplete = priv->dmaops->tx_buffer(priv, buffer);
+        priv->dmaops->tx_buffer(priv, buffer);
 
         skb_tx_timestamp(skb);
 
@@ -698,7 +698,6 @@ static struct phy_device *connect_local_phy(struct net_device *dev)
         struct altera_tse_private *priv = netdev_priv(dev);
         struct phy_device *phydev = NULL;
         char phy_id_fmt[MII_BUS_ID_SIZE + 3];
-        int ret;
 
         if (priv->phy_addr != POLL_PHY) {
                 snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT,
@@ -712,6 +711,7 @@ static struct phy_device *connect_local_phy(struct net_device *dev)
                         netdev_err(dev, "Could not attach to PHY\n");
 
         } else {
+                int ret;
                 phydev = phy_find_first(priv->mdio);
                 if (phydev == NULL) {
                         netdev_err(dev, "No PHY found\n");
@@ -791,7 +791,6 @@ static int init_phy(struct net_device *dev)
 
 static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
 {
-        struct altera_tse_mac *mac = priv->mac_dev;
         u32 msb;
         u32 lsb;
 
@@ -799,8 +798,8 @@ static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
         lsb = ((addr[5] << 8) | addr[4]) & 0xffff;
 
         /* Set primary MAC address */
-        iowrite32(msb, &mac->mac_addr_0);
-        iowrite32(lsb, &mac->mac_addr_1);
+        csrwr32(msb, priv->mac_dev, tse_csroffs(mac_addr_0));
+        csrwr32(lsb, priv->mac_dev, tse_csroffs(mac_addr_1));
 }
 
 /* MAC software reset.
@@ -811,26 +810,26 @@ static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
  */
 static int reset_mac(struct altera_tse_private *priv)
 {
-        void __iomem *cmd_cfg_reg = &priv->mac_dev->command_config;
         int counter;
         u32 dat;
 
-        dat = ioread32(cmd_cfg_reg);
+        dat = csrrd32(priv->mac_dev, tse_csroffs(command_config));
         dat &= ~(MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA);
         dat |= MAC_CMDCFG_SW_RESET | MAC_CMDCFG_CNT_RESET;
-        iowrite32(dat, cmd_cfg_reg);
+        csrwr32(dat, priv->mac_dev, tse_csroffs(command_config));
 
         counter = 0;
         while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                if (tse_bit_is_clear(cmd_cfg_reg, MAC_CMDCFG_SW_RESET))
+                if (tse_bit_is_clear(priv->mac_dev, tse_csroffs(command_config),
+                                     MAC_CMDCFG_SW_RESET))
                         break;
                 udelay(1);
         }
 
         if (counter >= ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                dat = ioread32(cmd_cfg_reg);
+                dat = csrrd32(priv->mac_dev, tse_csroffs(command_config));
                 dat &= ~MAC_CMDCFG_SW_RESET;
-                iowrite32(dat, cmd_cfg_reg);
+                csrwr32(dat, priv->mac_dev, tse_csroffs(command_config));
                 return -1;
         }
         return 0;
@@ -840,41 +839,57 @@ static int reset_mac(struct altera_tse_private *priv)
 */
 static int init_mac(struct altera_tse_private *priv)
 {
-        struct altera_tse_mac *mac = priv->mac_dev;
         unsigned int cmd = 0;
         u32 frm_length;
 
         /* Setup Rx FIFO */
-        iowrite32(priv->rx_fifo_depth - ALTERA_TSE_RX_SECTION_EMPTY,
-                  &mac->rx_section_empty);
-        iowrite32(ALTERA_TSE_RX_SECTION_FULL, &mac->rx_section_full);
-        iowrite32(ALTERA_TSE_RX_ALMOST_EMPTY, &mac->rx_almost_empty);
-        iowrite32(ALTERA_TSE_RX_ALMOST_FULL, &mac->rx_almost_full);
+        csrwr32(priv->rx_fifo_depth - ALTERA_TSE_RX_SECTION_EMPTY,
+                priv->mac_dev, tse_csroffs(rx_section_empty));
+
+        csrwr32(ALTERA_TSE_RX_SECTION_FULL, priv->mac_dev,
+                tse_csroffs(rx_section_full));
+
+        csrwr32(ALTERA_TSE_RX_ALMOST_EMPTY, priv->mac_dev,
+                tse_csroffs(rx_almost_empty));
+
+        csrwr32(ALTERA_TSE_RX_ALMOST_FULL, priv->mac_dev,
+                tse_csroffs(rx_almost_full));
 
         /* Setup Tx FIFO */
-        iowrite32(priv->tx_fifo_depth - ALTERA_TSE_TX_SECTION_EMPTY,
-                  &mac->tx_section_empty);
-        iowrite32(ALTERA_TSE_TX_SECTION_FULL, &mac->tx_section_full);
-        iowrite32(ALTERA_TSE_TX_ALMOST_EMPTY, &mac->tx_almost_empty);
-        iowrite32(ALTERA_TSE_TX_ALMOST_FULL, &mac->tx_almost_full);
+        csrwr32(priv->tx_fifo_depth - ALTERA_TSE_TX_SECTION_EMPTY,
+                priv->mac_dev, tse_csroffs(tx_section_empty));
+
+        csrwr32(ALTERA_TSE_TX_SECTION_FULL, priv->mac_dev,
+                tse_csroffs(tx_section_full));
+
+        csrwr32(ALTERA_TSE_TX_ALMOST_EMPTY, priv->mac_dev,
+                tse_csroffs(tx_almost_empty));
+
+        csrwr32(ALTERA_TSE_TX_ALMOST_FULL, priv->mac_dev,
+                tse_csroffs(tx_almost_full));
 
         /* MAC Address Configuration */
         tse_update_mac_addr(priv, priv->dev->dev_addr);
 
         /* MAC Function Configuration */
         frm_length = ETH_HLEN + priv->dev->mtu + ETH_FCS_LEN;
-        iowrite32(frm_length, &mac->frm_length);
-        iowrite32(ALTERA_TSE_TX_IPG_LENGTH, &mac->tx_ipg_length);
+        csrwr32(frm_length, priv->mac_dev, tse_csroffs(frm_length));
+
+        csrwr32(ALTERA_TSE_TX_IPG_LENGTH, priv->mac_dev,
+                tse_csroffs(tx_ipg_length));
 
         /* Disable RX/TX shift 16 for alignment of all received frames on 16-bit
          * start address
          */
-        tse_set_bit(&mac->rx_cmd_stat, ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16);
-        tse_clear_bit(&mac->tx_cmd_stat, ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16 |
-                                         ALTERA_TSE_TX_CMD_STAT_OMIT_CRC);
+        tse_set_bit(priv->mac_dev, tse_csroffs(rx_cmd_stat),
+                    ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16);
+
+        tse_clear_bit(priv->mac_dev, tse_csroffs(tx_cmd_stat),
+                      ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16 |
+                      ALTERA_TSE_TX_CMD_STAT_OMIT_CRC);
 
         /* Set the MAC options */
-        cmd = ioread32(&mac->command_config);
+        cmd = csrrd32(priv->mac_dev, tse_csroffs(command_config));
         cmd &= ~MAC_CMDCFG_PAD_EN;      /* No padding Removal on Receive */
         cmd &= ~MAC_CMDCFG_CRC_FWD;     /* CRC Removal */
         cmd |= MAC_CMDCFG_RX_ERR_DISC;  /* Automatically discard frames
@@ -889,9 +904,10 @@ static int init_mac(struct altera_tse_private *priv)
         cmd &= ~MAC_CMDCFG_ETH_SPEED;
         cmd &= ~MAC_CMDCFG_ENA_10;
 
-        iowrite32(cmd, &mac->command_config);
+        csrwr32(cmd, priv->mac_dev, tse_csroffs(command_config));
 
-        iowrite32(ALTERA_TSE_PAUSE_QUANTA, &mac->pause_quanta);
+        csrwr32(ALTERA_TSE_PAUSE_QUANTA, priv->mac_dev,
+                tse_csroffs(pause_quanta));
 
         if (netif_msg_hw(priv))
                 dev_dbg(priv->device,
@@ -904,15 +920,14 @@ static int init_mac(struct altera_tse_private *priv)
  */
 static void tse_set_mac(struct altera_tse_private *priv, bool enable)
 {
-        struct altera_tse_mac *mac = priv->mac_dev;
-        u32 value = ioread32(&mac->command_config);
+        u32 value = csrrd32(priv->mac_dev, tse_csroffs(command_config));
 
         if (enable)
                 value |= MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA;
         else
                 value &= ~(MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA);
 
-        iowrite32(value, &mac->command_config);
+        csrwr32(value, priv->mac_dev, tse_csroffs(command_config));
 }
 
 /* Change the MTU
@@ -942,13 +957,12 @@ static int tse_change_mtu(struct net_device *dev, int new_mtu)
 static void altera_tse_set_mcfilter(struct net_device *dev)
 {
         struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
         int i;
         struct netdev_hw_addr *ha;
 
         /* clear the hash filter */
         for (i = 0; i < 64; i++)
-                iowrite32(0, &(mac->hash_table[i]));
+                csrwr32(0, priv->mac_dev, tse_csroffs(hash_table) + i * 4);
 
         netdev_for_each_mc_addr(ha, dev) {
                 unsigned int hash = 0;
@@ -964,7 +978,7 @@ static void altera_tse_set_mcfilter(struct net_device *dev)
 
                         hash = (hash << 1) | xor_bit;
                 }
-                iowrite32(1, &(mac->hash_table[hash]));
+                csrwr32(1, priv->mac_dev, tse_csroffs(hash_table) + hash * 4);
         }
 }
 
@@ -972,12 +986,11 @@ static void altera_tse_set_mcfilter(struct net_device *dev)
 static void altera_tse_set_mcfilterall(struct net_device *dev)
 {
         struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
         int i;
 
         /* set the hash filter */
         for (i = 0; i < 64; i++)
-                iowrite32(1, &(mac->hash_table[i]));
+                csrwr32(1, priv->mac_dev, tse_csroffs(hash_table) + i * 4);
 }
 
 /* Set or clear the multicast filter for this adaptor
@@ -985,12 +998,12 @@ static void altera_tse_set_mcfilterall(struct net_device *dev)
 static void tse_set_rx_mode_hashfilter(struct net_device *dev)
 {
         struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
 
         spin_lock(&priv->mac_cfg_lock);
 
         if (dev->flags & IFF_PROMISC)
-                tse_set_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
+                tse_set_bit(priv->mac_dev, tse_csroffs(command_config),
+                            MAC_CMDCFG_PROMIS_EN);
 
         if (dev->flags & IFF_ALLMULTI)
                 altera_tse_set_mcfilterall(dev);
@@ -1005,15 +1018,16 @@ static void tse_set_rx_mode_hashfilter(struct net_device *dev)
 static void tse_set_rx_mode(struct net_device *dev)
 {
         struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
 
         spin_lock(&priv->mac_cfg_lock);
 
         if ((dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI) ||
             !netdev_mc_empty(dev) || !netdev_uc_empty(dev))
-                tse_set_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
+                tse_set_bit(priv->mac_dev, tse_csroffs(command_config),
+                            MAC_CMDCFG_PROMIS_EN);
         else
-                tse_clear_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
+                tse_clear_bit(priv->mac_dev, tse_csroffs(command_config),
+                              MAC_CMDCFG_PROMIS_EN);
 
         spin_unlock(&priv->mac_cfg_lock);
 }
@@ -1362,6 +1376,11 @@ static int altera_tse_probe(struct platform_device *pdev)
                 of_property_read_bool(pdev->dev.of_node,
                                       "altr,has-hash-multicast-filter");
 
+        /* Set hash filter to not set for now until the
+         * multicast filter receive issue is debugged
+         */
+        priv->hash_filter = 0;
+
         /* get supplemental address settings for this instance */
         priv->added_unicast =
                 of_property_read_bool(pdev->dev.of_node,
@@ -1493,7 +1512,7 @@ static int altera_tse_remove(struct platform_device *pdev)
         return 0;
 }
 
-struct altera_dmaops altera_dtype_sgdma = {
+static const struct altera_dmaops altera_dtype_sgdma = {
         .altera_dtype = ALTERA_DTYPE_SGDMA,
         .dmamask = 32,
         .reset_dma = sgdma_reset,
@@ -1512,7 +1531,7 @@ struct altera_dmaops altera_dtype_sgdma = {
         .start_rxdma = sgdma_start_rxdma,
 };
 
-struct altera_dmaops altera_dtype_msgdma = {
+static const struct altera_dmaops altera_dtype_msgdma = {
         .altera_dtype = ALTERA_DTYPE_MSGDMA,
         .dmamask = 64,
         .reset_dma = msgdma_reset,
diff --git a/drivers/net/ethernet/altera/altera_utils.c b/drivers/net/ethernet/altera/altera_utils.c
index 70fa13f486b2..d7eeb1713ad2 100644
--- a/drivers/net/ethernet/altera/altera_utils.c
+++ b/drivers/net/ethernet/altera/altera_utils.c
@@ -17,28 +17,28 @@
 #include "altera_tse.h"
 #include "altera_utils.h"
 
-void tse_set_bit(void __iomem *ioaddr, u32 bit_mask)
+void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
         value |= bit_mask;
-        iowrite32(value, ioaddr);
+        csrwr32(value, ioaddr, offs);
 }
 
-void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask)
+void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
         value &= ~bit_mask;
-        iowrite32(value, ioaddr);
+        csrwr32(value, ioaddr, offs);
 }
 
-int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask)
+int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
         return (value & bit_mask) ? 1 : 0;
 }
 
-int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask)
+int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
         return (value & bit_mask) ? 0 : 1;
 }
diff --git a/drivers/net/ethernet/altera/altera_utils.h b/drivers/net/ethernet/altera/altera_utils.h
index ce1db36d3583..baf100ccf587 100644
--- a/drivers/net/ethernet/altera/altera_utils.h
+++ b/drivers/net/ethernet/altera/altera_utils.h
@@ -19,9 +19,9 @@
 #ifndef __ALTERA_UTILS_H__
 #define __ALTERA_UTILS_H__
 
-void tse_set_bit(void __iomem *ioaddr, u32 bit_mask);
-void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask);
-int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask);
-int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask);
+void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
+void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
+int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask);
+int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask);
 
 #endif /* __ALTERA_UTILS_H__*/
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index b260913db236..3b0d43154e67 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -10051,8 +10051,8 @@ static void bnx2x_prev_unload_close_mac(struct bnx2x *bp,
 #define BCM_5710_UNDI_FW_MF_MAJOR       (0x07)
 #define BCM_5710_UNDI_FW_MF_MINOR       (0x08)
 #define BCM_5710_UNDI_FW_MF_VERS        (0x05)
-#define BNX2X_PREV_UNDI_MF_PORT(p)      (0x1a150c + ((p) << 4))
-#define BNX2X_PREV_UNDI_MF_FUNC(f)      (0x1a184c + ((f) << 4))
+#define BNX2X_PREV_UNDI_MF_PORT(p) (BAR_TSTRORM_INTMEM + 0x150c + ((p) << 4))
+#define BNX2X_PREV_UNDI_MF_FUNC(f) (BAR_TSTRORM_INTMEM + 0x184c + ((f) << 4))
 static bool bnx2x_prev_unload_undi_fw_supports_mf(struct bnx2x *bp)
 {
         u8 major, minor, version;
@@ -10352,6 +10352,7 @@ static int bnx2x_prev_unload_common(struct bnx2x *bp)
         /* Reset should be performed after BRB is emptied */
         if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
                 u32 timer_count = 1000;
+                bool need_write = true;
 
                 /* Close the MAC Rx to prevent BRB from filling up */
                 bnx2x_prev_unload_close_mac(bp, &mac_vals);
@@ -10398,7 +10399,10 @@ static int bnx2x_prev_unload_common(struct bnx2x *bp)
                          * cleaning methods - might be redundant but harmless.
                          */
                         if (bnx2x_prev_unload_undi_fw_supports_mf(bp)) {
-                                bnx2x_prev_unload_undi_mf(bp);
+                                if (need_write) {
+                                        bnx2x_prev_unload_undi_mf(bp);
+                                        need_write = false;
+                                }
                         } else if (prev_undi) {
                                 /* If UNDI resides in memory,
                                  * manually increment it
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 81cc2d9831c2..b8078d50261b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -2695,7 +2695,7 @@ out:
                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
         }
 
-        return 0;
+        return rc;
 }
 
 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
index 0c067e8564dd..784c7155b98a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -747,7 +747,7 @@ int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
 out:
         bnx2x_vfpf_finalize(bp, &req->first_tlv);
 
-        return 0;
+        return rc;
 }
 
 /* request pf to config rss table for vf queues*/
diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c
new file mode 100644
index 000000000000..4884205e56ee
--- /dev/null
+++ b/drivers/net/ethernet/ec_bhf.c
@@ -0,0 +1,706 @@
+ /*
+ * drivers/net/ethernet/beckhoff/ec_bhf.c
+ *
+ * Copyright (C) 2014 Darek Marcinkiewicz <reksio@newterm.pl>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+/* This is a driver for EtherCAT master module present on CCAT FPGA.
+ * Those can be found on Bechhoff CX50xx industrial PCs.
+ */
+
+#if 0
+#define DEBUG
+#endif
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/hrtimer.h>
+#include <linux/interrupt.h>
+#include <linux/stat.h>
+
+#define TIMER_INTERVAL_NSEC     20000
+
+#define INFO_BLOCK_SIZE         0x10
+#define INFO_BLOCK_TYPE         0x0
+#define INFO_BLOCK_REV          0x2
+#define INFO_BLOCK_BLK_CNT      0x4
+#define INFO_BLOCK_TX_CHAN      0x4
+#define INFO_BLOCK_RX_CHAN      0x5
+#define INFO_BLOCK_OFFSET       0x8
+
+#define EC_MII_OFFSET           0x4
+#define EC_FIFO_OFFSET          0x8
+#define EC_MAC_OFFSET           0xc
+
+#define MAC_FRAME_ERR_CNT       0x0
+#define MAC_RX_ERR_CNT          0x1
+#define MAC_CRC_ERR_CNT         0x2
+#define MAC_LNK_LST_ERR_CNT     0x3
+#define MAC_TX_FRAME_CNT        0x10
+#define MAC_RX_FRAME_CNT        0x14
+#define MAC_TX_FIFO_LVL         0x20
+#define MAC_DROPPED_FRMS        0x28
+#define MAC_CONNECTED_CCAT_FLAG 0x78
+
+#define MII_MAC_ADDR            0x8
+#define MII_MAC_FILT_FLAG       0xe
+#define MII_LINK_STATUS         0xf
+
+#define FIFO_TX_REG             0x0
+#define FIFO_TX_RESET           0x8
+#define FIFO_RX_REG             0x10
+#define FIFO_RX_ADDR_VALID      (1u << 31)
+#define FIFO_RX_RESET           0x18
+
+#define DMA_CHAN_OFFSET         0x1000
+#define DMA_CHAN_SIZE           0x8
+
+#define DMA_WINDOW_SIZE_MASK    0xfffffffc
+
+static struct pci_device_id ids[] = {
+        { PCI_DEVICE(0x15ec, 0x5000), },
+        { 0, }
+};
+MODULE_DEVICE_TABLE(pci, ids);
+
+struct rx_header {
+#define RXHDR_NEXT_ADDR_MASK    0xffffffu
+#define RXHDR_NEXT_VALID        (1u << 31)
+        __le32 next;
+#define RXHDR_NEXT_RECV_FLAG    0x1
+        __le32 recv;
+#define RXHDR_LEN_MASK          0xfffu
+        __le16 len;
+        __le16 port;
+        __le32 reserved;
+        u8 timestamp[8];
+} __packed;
+
+#define PKT_PAYLOAD_SIZE        0x7e8
+struct rx_desc {
+        struct rx_header header;
+        u8 data[PKT_PAYLOAD_SIZE];
+} __packed;
+
+struct tx_header {
+        __le16 len;
+#define TX_HDR_PORT_0           0x1
+#define TX_HDR_PORT_1           0x2
+        u8 port;
+        u8 ts_enable;
+#define TX_HDR_SENT             0x1
+        __le32 sent;
+        u8 timestamp[8];
+} __packed;
+
+struct tx_desc {
+        struct tx_header header;
+        u8 data[PKT_PAYLOAD_SIZE];
+} __packed;
+
+#define FIFO_SIZE               64
+
+static long polling_frequency = TIMER_INTERVAL_NSEC;
+
+struct bhf_dma {
+        u8 *buf;
+        size_t len;
+        dma_addr_t buf_phys;
+
+        u8 *alloc;
+        size_t alloc_len;
+        dma_addr_t alloc_phys;
+};
+
+struct ec_bhf_priv {
+        struct net_device *net_dev;
+
+        struct pci_dev *dev;
+
+        void * __iomem io;
+        void * __iomem dma_io;
+
+        struct hrtimer hrtimer;
+
+        int tx_dma_chan;
+        int rx_dma_chan;
+        void * __iomem ec_io;
+        void * __iomem fifo_io;
+        void * __iomem mii_io;
+        void * __iomem mac_io;
+
+        struct bhf_dma rx_buf;
+        struct rx_desc *rx_descs;
+        int rx_dnext;
+        int rx_dcount;
+
+        struct bhf_dma tx_buf;
+        struct tx_desc *tx_descs;
+        int tx_dcount;
+        int tx_dnext;
+
+        u64 stat_rx_bytes;
+        u64 stat_tx_bytes;
+};
+
+#define PRIV_TO_DEV(priv) (&(priv)->dev->dev)
+
+#define ETHERCAT_MASTER_ID      0x14
+
+static void ec_bhf_print_status(struct ec_bhf_priv *priv)
+{
+        struct device *dev = PRIV_TO_DEV(priv);
+
+        dev_dbg(dev, "Frame error counter: %d\n",
+                ioread8(priv->mac_io + MAC_FRAME_ERR_CNT));
+        dev_dbg(dev, "RX error counter: %d\n",
+                ioread8(priv->mac_io + MAC_RX_ERR_CNT));
+        dev_dbg(dev, "CRC error counter: %d\n",
+                ioread8(priv->mac_io + MAC_CRC_ERR_CNT));
+        dev_dbg(dev, "TX frame counter: %d\n",
+                ioread32(priv->mac_io + MAC_TX_FRAME_CNT));
+        dev_dbg(dev, "RX frame counter: %d\n",
+                ioread32(priv->mac_io + MAC_RX_FRAME_CNT));
+        dev_dbg(dev, "TX fifo level: %d\n",
+                ioread8(priv->mac_io + MAC_TX_FIFO_LVL));
+        dev_dbg(dev, "Dropped frames: %d\n",
+                ioread8(priv->mac_io + MAC_DROPPED_FRMS));
+        dev_dbg(dev, "Connected with CCAT slot: %d\n",
+                ioread8(priv->mac_io + MAC_CONNECTED_CCAT_FLAG));
+        dev_dbg(dev, "Link status: %d\n",
+                ioread8(priv->mii_io + MII_LINK_STATUS));
+}
+
+static void ec_bhf_reset(struct ec_bhf_priv *priv)
+{
+        iowrite8(0, priv->mac_io + MAC_FRAME_ERR_CNT);
+        iowrite8(0, priv->mac_io + MAC_RX_ERR_CNT);
+        iowrite8(0, priv->mac_io + MAC_CRC_ERR_CNT);
+        iowrite8(0, priv->mac_io + MAC_LNK_LST_ERR_CNT);
+        iowrite32(0, priv->mac_io + MAC_TX_FRAME_CNT);
+        iowrite32(0, priv->mac_io + MAC_RX_FRAME_CNT);
+        iowrite8(0, priv->mac_io + MAC_DROPPED_FRMS);
+
+        iowrite8(0, priv->fifo_io + FIFO_TX_RESET);
+        iowrite8(0, priv->fifo_io + FIFO_RX_RESET);
+
+        iowrite8(0, priv->mac_io + MAC_TX_FIFO_LVL);
+}
+
+static void ec_bhf_send_packet(struct ec_bhf_priv *priv, struct tx_desc *desc)
+{
+        u32 len = le16_to_cpu(desc->header.len) + sizeof(desc->header);
+        u32 addr = (u8 *)desc - priv->tx_buf.buf;
+
+        iowrite32((ALIGN(len, 8) << 24) | addr, priv->fifo_io + FIFO_TX_REG);
+
+        dev_dbg(PRIV_TO_DEV(priv), "Done sending packet\n");
+}
+
+static int ec_bhf_desc_sent(struct tx_desc *desc)
+{
+        return le32_to_cpu(desc->header.sent) & TX_HDR_SENT;
+}
+
+static void ec_bhf_process_tx(struct ec_bhf_priv *priv)
+{
+        if (unlikely(netif_queue_stopped(priv->net_dev))) {
+                /* Make sure that we perceive changes to tx_dnext. */
+                smp_rmb();
+
+                if (ec_bhf_desc_sent(&priv->tx_descs[priv->tx_dnext]))
+                        netif_wake_queue(priv->net_dev);
+        }
+}
+
+static int ec_bhf_pkt_received(struct rx_desc *desc)
+{
+        return le32_to_cpu(desc->header.recv) & RXHDR_NEXT_RECV_FLAG;
+}
+
+static void ec_bhf_add_rx_desc(struct ec_bhf_priv *priv, struct rx_desc *desc)
+{
+        iowrite32(FIFO_RX_ADDR_VALID | ((u8 *)(desc) - priv->rx_buf.buf),
+                  priv->fifo_io + FIFO_RX_REG);
+}
+
+static void ec_bhf_process_rx(struct ec_bhf_priv *priv)
+{
+        struct rx_desc *desc = &priv->rx_descs[priv->rx_dnext];
+        struct device *dev = PRIV_TO_DEV(priv);
+
+        while (ec_bhf_pkt_received(desc)) {
+                int pkt_size = (le16_to_cpu(desc->header.len) &
+                               RXHDR_LEN_MASK) - sizeof(struct rx_header) - 4;
+                u8 *data = desc->data;
+                struct sk_buff *skb;
+
+                skb = netdev_alloc_skb_ip_align(priv->net_dev, pkt_size);
+                dev_dbg(dev, "Received packet, size: %d\n", pkt_size);
+
+                if (skb) {
+                        memcpy(skb_put(skb, pkt_size), data, pkt_size);
+                        skb->protocol = eth_type_trans(skb, priv->net_dev);
+                        dev_dbg(dev, "Protocol type: %x\n", skb->protocol);
+
+                        priv->stat_rx_bytes += pkt_size;
+
+                        netif_rx(skb);
+                } else {
+                        dev_err_ratelimited(dev,
+                                "Couldn't allocate a skb_buff for a packet of size %u\n",
+                                pkt_size);
+                }
+
+                desc->header.recv = 0;
+
+                ec_bhf_add_rx_desc(priv, desc);
+
+                priv->rx_dnext = (priv->rx_dnext + 1) % priv->rx_dcount;
+                desc = &priv->rx_descs[priv->rx_dnext];
+        }
+
+}
+
+static enum hrtimer_restart ec_bhf_timer_fun(struct hrtimer *timer)
+{
+        struct ec_bhf_priv *priv = container_of(timer, struct ec_bhf_priv,
+                                                hrtimer);
+        ec_bhf_process_rx(priv);
+        ec_bhf_process_tx(priv);
+
+        if (!netif_running(priv->net_dev))
+                return HRTIMER_NORESTART;
+
+        hrtimer_forward_now(timer, ktime_set(0, polling_frequency));
+        return HRTIMER_RESTART;
+}
+
+static int ec_bhf_setup_offsets(struct ec_bhf_priv *priv)
+{
+        struct device *dev = PRIV_TO_DEV(priv);
+        unsigned block_count, i;
+        void * __iomem ec_info;
+
+        dev_dbg(dev, "Info block:\n");
+        dev_dbg(dev, "Type of function: %x\n", (unsigned)ioread16(priv->io));
+        dev_dbg(dev, "Revision of function: %x\n",
+                (unsigned)ioread16(priv->io + INFO_BLOCK_REV));
+
+        block_count = ioread8(priv->io + INFO_BLOCK_BLK_CNT);
+        dev_dbg(dev, "Number of function blocks: %x\n", block_count);
+
+        for (i = 0; i < block_count; i++) {
+                u16 type = ioread16(priv->io + i * INFO_BLOCK_SIZE +
+                                    INFO_BLOCK_TYPE);
+                if (type == ETHERCAT_MASTER_ID)
+                        break;
+        }
+        if (i == block_count) {
+                dev_err(dev, "EtherCAT master with DMA block not found\n");
+                return -ENODEV;
+        }
+        dev_dbg(dev, "EtherCAT master with DMA block found at pos: %d\n", i);
+
+        ec_info = priv->io + i * INFO_BLOCK_SIZE;
+        dev_dbg(dev, "EtherCAT master revision: %d\n",
+                ioread16(ec_info + INFO_BLOCK_REV));
+
+        priv->tx_dma_chan = ioread8(ec_info + INFO_BLOCK_TX_CHAN);
+        dev_dbg(dev, "EtherCAT master tx dma channel: %d\n",
+                priv->tx_dma_chan);
+
+        priv->rx_dma_chan = ioread8(ec_info + INFO_BLOCK_RX_CHAN);
+        dev_dbg(dev, "EtherCAT master rx dma channel: %d\n",
+                 priv->rx_dma_chan);
+
+        priv->ec_io = priv->io + ioread32(ec_info + INFO_BLOCK_OFFSET);
+        priv->mii_io = priv->ec_io + ioread32(priv->ec_io + EC_MII_OFFSET);
+        priv->fifo_io = priv->ec_io + ioread32(priv->ec_io + EC_FIFO_OFFSET);
+        priv->mac_io = priv->ec_io + ioread32(priv->ec_io + EC_MAC_OFFSET);
+
+        dev_dbg(dev,
+                "EtherCAT block addres: %p, fifo address: %p, mii address: %p, mac address: %p\n",
+                priv->ec_io, priv->fifo_io, priv->mii_io, priv->mac_io);
+
+        return 0;
+}
+
+static netdev_tx_t ec_bhf_start_xmit(struct sk_buff *skb,
+                                     struct net_device *net_dev)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        struct tx_desc *desc;
+        unsigned len;
+
+        dev_dbg(PRIV_TO_DEV(priv), "Starting xmit\n");
+
+        desc = &priv->tx_descs[priv->tx_dnext];
+
+        skb_copy_and_csum_dev(skb, desc->data);
+        len = skb->len;
+
+        memset(&desc->header, 0, sizeof(desc->header));
+        desc->header.len = cpu_to_le16(len);
+        desc->header.port = TX_HDR_PORT_0;
+
+        ec_bhf_send_packet(priv, desc);
+
+        priv->tx_dnext = (priv->tx_dnext + 1) % priv->tx_dcount;
+
+        if (!ec_bhf_desc_sent(&priv->tx_descs[priv->tx_dnext])) {
+                /* Make sure that update updates to tx_dnext are perceived
+                 * by timer routine.
+                 */
+                smp_wmb();
+
+                netif_stop_queue(net_dev);
+
+                dev_dbg(PRIV_TO_DEV(priv), "Stopping netif queue\n");
+                ec_bhf_print_status(priv);
+        }
+
+        priv->stat_tx_bytes += len;
+
+        dev_kfree_skb(skb);
+
+        return NETDEV_TX_OK;
+}
+
+static int ec_bhf_alloc_dma_mem(struct ec_bhf_priv *priv,
+                                struct bhf_dma *buf,
+                                int channel,
+                                int size)
+{
+        int offset = channel * DMA_CHAN_SIZE + DMA_CHAN_OFFSET;
+        struct device *dev = PRIV_TO_DEV(priv);
+        u32 mask;
+
+        iowrite32(0xffffffff, priv->dma_io + offset);
+
+        mask = ioread32(priv->dma_io + offset);
+        mask &= DMA_WINDOW_SIZE_MASK;
+        dev_dbg(dev, "Read mask %x for channel %d\n", mask, channel);
+
+        /* We want to allocate a chunk of memory that is:
+         * - aligned to the mask we just read
+         * - is of size 2^mask bytes (at most)
+         * In order to ensure that we will allocate buffer of
+         * 2 * 2^mask bytes.
+         */
+        buf->len = min_t(int, ~mask + 1, size);
+        buf->alloc_len = 2 * buf->len;
+
+        dev_dbg(dev, "Allocating %d bytes for channel %d",
+                (int)buf->alloc_len, channel);
+        buf->alloc = dma_alloc_coherent(dev, buf->alloc_len, &buf->alloc_phys,
+                                        GFP_KERNEL);
+        if (buf->alloc == NULL) {
+                dev_info(dev, "Failed to allocate buffer\n");
+                return -ENOMEM;
+        }
+
+        buf->buf_phys = (buf->alloc_phys + buf->len) & mask;
+        buf->buf = buf->alloc + (buf->buf_phys - buf->alloc_phys);
+
+        iowrite32(0, priv->dma_io + offset + 4);
+        iowrite32(buf->buf_phys, priv->dma_io + offset);
+        dev_dbg(dev, "Buffer: %x and read from dev: %x",
+                (unsigned)buf->buf_phys, ioread32(priv->dma_io + offset));
+
+        return 0;
+}
+
+static void ec_bhf_setup_tx_descs(struct ec_bhf_priv *priv)
+{
+        int i = 0;
+
+        priv->tx_dcount = priv->tx_buf.len / sizeof(struct tx_desc);
+        priv->tx_descs = (struct tx_desc *) priv->tx_buf.buf;
+        priv->tx_dnext = 0;
+
+        for (i = 0; i < priv->tx_dcount; i++)
+                priv->tx_descs[i].header.sent = cpu_to_le32(TX_HDR_SENT);
+}
+
+static void ec_bhf_setup_rx_descs(struct ec_bhf_priv *priv)
+{
+        int i;
+
+        priv->rx_dcount = priv->rx_buf.len / sizeof(struct rx_desc);
+        priv->rx_descs = (struct rx_desc *) priv->rx_buf.buf;
+        priv->rx_dnext = 0;
+
+        for (i = 0; i < priv->rx_dcount; i++) {
+                struct rx_desc *desc = &priv->rx_descs[i];
+                u32 next;
+
+                if (i != priv->rx_dcount - 1)
+                        next = (u8 *)(desc + 1) - priv->rx_buf.buf;
+                else
+                        next = 0;
+                next |= RXHDR_NEXT_VALID;
+                desc->header.next = cpu_to_le32(next);
+                desc->header.recv = 0;
+                ec_bhf_add_rx_desc(priv, desc);
+        }
+}
+
+static int ec_bhf_open(struct net_device *net_dev)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        struct device *dev = PRIV_TO_DEV(priv);
+        int err = 0;
+
+        dev_info(dev, "Opening device\n");
+
+        ec_bhf_reset(priv);
+
+        err = ec_bhf_alloc_dma_mem(priv, &priv->rx_buf, priv->rx_dma_chan,
+                                   FIFO_SIZE * sizeof(struct rx_desc));
+        if (err) {
+                dev_err(dev, "Failed to allocate rx buffer\n");
+                goto out;
+        }
+        ec_bhf_setup_rx_descs(priv);
+
+        dev_info(dev, "RX buffer allocated, address: %x\n",
+                 (unsigned)priv->rx_buf.buf_phys);
+
+        err = ec_bhf_alloc_dma_mem(priv, &priv->tx_buf, priv->tx_dma_chan,
+                                   FIFO_SIZE * sizeof(struct tx_desc));
+        if (err) {
+                dev_err(dev, "Failed to allocate tx buffer\n");
+                goto error_rx_free;
+        }
+        dev_dbg(dev, "TX buffer allocated, addres: %x\n",
+                (unsigned)priv->tx_buf.buf_phys);
+
+        iowrite8(0, priv->mii_io + MII_MAC_FILT_FLAG);
+
+        ec_bhf_setup_tx_descs(priv);
+
+        netif_start_queue(net_dev);
+
+        hrtimer_init(&priv->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+        priv->hrtimer.function = ec_bhf_timer_fun;
+        hrtimer_start(&priv->hrtimer, ktime_set(0, polling_frequency),
+                      HRTIMER_MODE_REL);
+
+        dev_info(PRIV_TO_DEV(priv), "Device open\n");
+
+        ec_bhf_print_status(priv);
+
+        return 0;
+
+error_rx_free:
+        dma_free_coherent(dev, priv->rx_buf.alloc_len, priv->rx_buf.alloc,
+                          priv->rx_buf.alloc_len);
+out:
+        return err;
+}
+
+static int ec_bhf_stop(struct net_device *net_dev)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        struct device *dev = PRIV_TO_DEV(priv);
+
+        hrtimer_cancel(&priv->hrtimer);
+
+        ec_bhf_reset(priv);
+
+        netif_tx_disable(net_dev);
+
+        dma_free_coherent(dev, priv->tx_buf.alloc_len,
+                          priv->tx_buf.alloc, priv->tx_buf.alloc_phys);
+        dma_free_coherent(dev, priv->rx_buf.alloc_len,
+                          priv->rx_buf.alloc, priv->rx_buf.alloc_phys);
+
+        return 0;
+}
+
+static struct rtnl_link_stats64 *
+ec_bhf_get_stats(struct net_device *net_dev,
+                 struct rtnl_link_stats64 *stats)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+
+        stats->rx_errors = ioread8(priv->mac_io + MAC_RX_ERR_CNT) +
+                                ioread8(priv->mac_io + MAC_CRC_ERR_CNT) +
+                                ioread8(priv->mac_io + MAC_FRAME_ERR_CNT);
+        stats->rx_packets = ioread32(priv->mac_io + MAC_RX_FRAME_CNT);
+        stats->tx_packets = ioread32(priv->mac_io + MAC_TX_FRAME_CNT);
+        stats->rx_dropped = ioread8(priv->mac_io + MAC_DROPPED_FRMS);
+
+        stats->tx_bytes = priv->stat_tx_bytes;
+        stats->rx_bytes = priv->stat_rx_bytes;
+
+        return stats;
+}
+
+static const struct net_device_ops ec_bhf_netdev_ops = {
+        .ndo_start_xmit         = ec_bhf_start_xmit,
+        .ndo_open               = ec_bhf_open,
+        .ndo_stop               = ec_bhf_stop,
+        .ndo_get_stats64        = ec_bhf_get_stats,
+        .ndo_change_mtu         = eth_change_mtu,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_set_mac_address    = eth_mac_addr
+};
+
+static int ec_bhf_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+        struct net_device *net_dev;
+        struct ec_bhf_priv *priv;
+        void * __iomem dma_io;
+        void * __iomem io;
+        int err = 0;
+
+        err = pci_enable_device(dev);
+        if (err)
+                return err;
+
+        pci_set_master(dev);
+
+        err = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
+        if (err) {
+                dev_err(&dev->dev,
+                        "Required dma mask not supported, failed to initialize device\n");
+                err = -EIO;
+                goto err_disable_dev;
+        }
+
+        err = pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32));
+        if (err) {
+                dev_err(&dev->dev,
+                        "Required dma mask not supported, failed to initialize device\n");
+                goto err_disable_dev;
+        }
+
+        err = pci_request_regions(dev, "ec_bhf");
+        if (err) {
+                dev_err(&dev->dev, "Failed to request pci memory regions\n");
+                goto err_disable_dev;
+        }
+
+        io = pci_iomap(dev, 0, 0);
+        if (!io) {
+                dev_err(&dev->dev, "Failed to map pci card memory bar 0");
+                err = -EIO;
+                goto err_release_regions;
+        }
+
+        dma_io = pci_iomap(dev, 2, 0);
+        if (!dma_io) {
+                dev_err(&dev->dev, "Failed to map pci card memory bar 2");
+                err = -EIO;
+                goto err_unmap;
+        }
+
+        net_dev = alloc_etherdev(sizeof(struct ec_bhf_priv));
+        if (net_dev == 0) {
+                err = -ENOMEM;
+                goto err_unmap_dma_io;
+        }
+
+        pci_set_drvdata(dev, net_dev);
+        SET_NETDEV_DEV(net_dev, &dev->dev);
+
+        net_dev->features = 0;
+        net_dev->flags |= IFF_NOARP;
+
+        net_dev->netdev_ops = &ec_bhf_netdev_ops;
+
+        priv = netdev_priv(net_dev);
+        priv->net_dev = net_dev;
+        priv->io = io;
+        priv->dma_io = dma_io;
+        priv->dev = dev;
+
+        err = ec_bhf_setup_offsets(priv);
+        if (err < 0)
+                goto err_free_net_dev;
+
+        memcpy_fromio(net_dev->dev_addr, priv->mii_io + MII_MAC_ADDR, 6);
+
+        dev_dbg(&dev->dev, "CX5020 Ethercat master address: %pM\n",
+                net_dev->dev_addr);
+
+        err = register_netdev(net_dev);
+        if (err < 0)
+                goto err_free_net_dev;
+
+        return 0;
+
+err_free_net_dev:
+        free_netdev(net_dev);
+err_unmap_dma_io:
+        pci_iounmap(dev, dma_io);
+err_unmap:
+        pci_iounmap(dev, io);
+err_release_regions:
+        pci_release_regions(dev);
+err_disable_dev:
+        pci_clear_master(dev);
+        pci_disable_device(dev);
+
+        return err;
+}
+
+static void ec_bhf_remove(struct pci_dev *dev)
+{
+        struct net_device *net_dev = pci_get_drvdata(dev);
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+
+        unregister_netdev(net_dev);
+        free_netdev(net_dev);
+
+        pci_iounmap(dev, priv->dma_io);
+        pci_iounmap(dev, priv->io);
+        pci_release_regions(dev);
+        pci_clear_master(dev);
+        pci_disable_device(dev);
+}
+
+static struct pci_driver pci_driver = {
+        .name           = "ec_bhf",
+        .id_table       = ids,
+        .probe          = ec_bhf_probe,
+        .remove         = ec_bhf_remove,
+};
+
+static int __init ec_bhf_init(void)
+{
+        return pci_register_driver(&pci_driver);
+}
+
+static void __exit ec_bhf_exit(void)
+{
+        pci_unregister_driver(&pci_driver);
+}
+
+module_init(ec_bhf_init);
+module_exit(ec_bhf_exit);
+
+module_param(polling_frequency, long, S_IRUGO);
+MODULE_PARM_DESC(polling_frequency, "Polling timer frequency in ns");
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Dariusz Marcinkiewicz <reksio@newterm.pl>");
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index a18645407d21..dc19bc5dec77 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -4949,6 +4949,12 @@ static void be_eeh_resume(struct pci_dev *pdev)
         if (status)
                 goto err;
 
+        /* On some BE3 FW versions, after a HW reset,
+         * interrupts will remain disabled for each function.
+         * So, explicitly enable interrupts
+         */
+        be_intr_set(adapter, true);
+
         /* tell fw we're ready to fire cmds */
         status = be_cmd_fw_init(adapter);
         if (status)
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index b0c6050479eb..b78378cea5e3 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1988,7 +1988,7 @@ jme_alloc_txdesc(struct jme_adapter *jme,
         return idx;
 }
 
-static void
+static int
 jme_fill_tx_map(struct pci_dev *pdev,
                 struct txdesc *txdesc,
                 struct jme_buffer_info *txbi,
@@ -2005,6 +2005,9 @@ jme_fill_tx_map(struct pci_dev *pdev,
                                 len,
                                 PCI_DMA_TODEVICE);
 
+        if (unlikely(pci_dma_mapping_error(pdev, dmaaddr)))
+                return -EINVAL;
+
         pci_dma_sync_single_for_device(pdev,
                                        dmaaddr,
                                        len,
@@ -2021,9 +2024,30 @@ jme_fill_tx_map(struct pci_dev *pdev,
 
         txbi->mapping = dmaaddr;
         txbi->len = len;
+        return 0;
 }
 
-static void
+static void jme_drop_tx_map(struct jme_adapter *jme, int startidx, int count)
+{
+        struct jme_ring *txring = &(jme->txring[0]);
+        struct jme_buffer_info *txbi = txring->bufinf, *ctxbi;
+        int mask = jme->tx_ring_mask;
+        int j;
+
+        for (j = 0 ; j < count ; j++) {
+                ctxbi = txbi + ((startidx + j + 2) & (mask));
+                pci_unmap_page(jme->pdev,
+                                ctxbi->mapping,
+                                ctxbi->len,
+                                PCI_DMA_TODEVICE);
+
+                                ctxbi->mapping = 0;
+                                ctxbi->len = 0;
+        }
+
+}
+
+static int
 jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
 {
         struct jme_ring *txring = &(jme->txring[0]);
@@ -2034,25 +2058,37 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
         int mask = jme->tx_ring_mask;
         const struct skb_frag_struct *frag;
         u32 len;
+        int ret = 0;
 
         for (i = 0 ; i < nr_frags ; ++i) {
                 frag = &skb_shinfo(skb)->frags[i];
                 ctxdesc = txdesc + ((idx + i + 2) & (mask));
                 ctxbi = txbi + ((idx + i + 2) & (mask));
 
-                jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
+                ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
                                 skb_frag_page(frag),
                                 frag->page_offset, skb_frag_size(frag), hidma);
+                if (ret) {
+                        jme_drop_tx_map(jme, idx, i);
+                        goto out;
+                }
+
         }
 
         len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;
         ctxdesc = txdesc + ((idx + 1) & (mask));
         ctxbi = txbi + ((idx + 1) & (mask));
-        jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
+        ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
                         offset_in_page(skb->data), len, hidma);
+        if (ret)
+                jme_drop_tx_map(jme, idx, i);
+
+out:
+        return ret;
 
 }
 
+
 static int
 jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags)
 {
@@ -2131,6 +2167,7 @@ jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
         struct txdesc *txdesc;
         struct jme_buffer_info *txbi;
         u8 flags;
+        int ret = 0;
 
         txdesc = (struct txdesc *)txring->desc + idx;
         txbi = txring->bufinf + idx;
@@ -2155,7 +2192,10 @@ jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
         if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags))
                 jme_tx_csum(jme, skb, &flags);
         jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags);
-        jme_map_tx_skb(jme, skb, idx);
+        ret = jme_map_tx_skb(jme, skb, idx);
+        if (ret)
+                return ret;
+
         txdesc->desc1.flags = flags;
         /*
          * Set tx buffer info after telling NIC to send
@@ -2228,7 +2268,8 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
                 return NETDEV_TX_BUSY;
         }
 
-        jme_fill_tx_desc(jme, skb, idx);
+        if (jme_fill_tx_desc(jme, skb, idx))
+                return NETDEV_TX_OK;
 
         jwrite32(jme, JME_TXCS, jme->reg_txcs |
                                 TXCS_SELECT_QUEUE0 |
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 78099eab7673..92d3249f63f1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1253,12 +1253,12 @@ static struct mlx4_cmd_info cmd_info[] = {
         },
         {
                 .opcode = MLX4_CMD_UPDATE_QP,
-                .has_inbox = false,
+                .has_inbox = true,
                 .has_outbox = false,
                 .out_is_imm = false,
                 .encode_slave_id = false,
                 .verify = NULL,
-                .wrapper = mlx4_CMD_EPERM_wrapper
+                .wrapper = mlx4_UPDATE_QP_wrapper
         },
         {
                 .opcode = MLX4_CMD_GET_OP_REQ,
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index f9c465101963..212cea440f90 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -1195,6 +1195,12 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
 
+int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
+                           struct mlx4_vhcr *vhcr,
+                           struct mlx4_cmd_mailbox *inbox,
+                           struct mlx4_cmd_mailbox *outbox,
+                           struct mlx4_cmd_info *cmd);
+
 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 61d64ebffd56..fbd32af89c7c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -389,6 +389,41 @@ err_icm:
 
 EXPORT_SYMBOL_GPL(mlx4_qp_alloc);
 
+#define MLX4_UPDATE_QP_SUPPORTED_ATTRS MLX4_UPDATE_QP_SMAC
+int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp,
+                   enum mlx4_update_qp_attr attr,
+                   struct mlx4_update_qp_params *params)
+{
+        struct mlx4_cmd_mailbox *mailbox;
+        struct mlx4_update_qp_context *cmd;
+        u64 pri_addr_path_mask = 0;
+        int err = 0;
+
+        mailbox = mlx4_alloc_cmd_mailbox(dev);
+        if (IS_ERR(mailbox))
+                return PTR_ERR(mailbox);
+
+        cmd = (struct mlx4_update_qp_context *)mailbox->buf;
+
+        if (!attr || (attr & ~MLX4_UPDATE_QP_SUPPORTED_ATTRS))
+                return -EINVAL;
+
+        if (attr & MLX4_UPDATE_QP_SMAC) {
+                pri_addr_path_mask |= 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX;
+                cmd->qp_context.pri_path.grh_mylmc = params->smac_index;
+        }
+
+        cmd->primary_addr_path_mask = cpu_to_be64(pri_addr_path_mask);
+
+        err = mlx4_cmd(dev, mailbox->dma, qp->qpn & 0xffffff, 0,
+                       MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
+                       MLX4_CMD_NATIVE);
+
+        mlx4_free_cmd_mailbox(dev, mailbox);
+        return err;
+}
+EXPORT_SYMBOL_GPL(mlx4_update_qp);
+
 void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp)
 {
         struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 1c3fdd4a1f7d..8f1254a79832 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -3895,6 +3895,60 @@ static int add_eth_header(struct mlx4_dev *dev, int slave,
 
 }
 
+#define MLX4_UPD_QP_PATH_MASK_SUPPORTED (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)
+int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
+                           struct mlx4_vhcr *vhcr,
+                           struct mlx4_cmd_mailbox *inbox,
+                           struct mlx4_cmd_mailbox *outbox,
+                           struct mlx4_cmd_info *cmd_info)
+{
+        int err;
+        u32 qpn = vhcr->in_modifier & 0xffffff;
+        struct res_qp *rqp;
+        u64 mac;
+        unsigned port;
+        u64 pri_addr_path_mask;
+        struct mlx4_update_qp_context *cmd;
+        int smac_index;
+
+        cmd = (struct mlx4_update_qp_context *)inbox->buf;
+
+        pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask);
+        if (cmd->qp_mask || cmd->secondary_addr_path_mask ||
+            (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED))
+                return -EPERM;
+
+        /* Just change the smac for the QP */
+        err = get_res(dev, slave, qpn, RES_QP, &rqp);
+        if (err) {
+                mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave);
+                return err;
+        }
+
+        port = (rqp->sched_queue >> 6 & 1) + 1;
+        smac_index = cmd->qp_context.pri_path.grh_mylmc;
+        err = mac_find_smac_ix_in_slave(dev, slave, port,
+                                        smac_index, &mac);
+        if (err) {
+                mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n",
+                         qpn, smac_index);
+                goto err_mac;
+        }
+
+        err = mlx4_cmd(dev, inbox->dma,
+                       vhcr->in_modifier, 0,
+                       MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
+                       MLX4_CMD_NATIVE);
+        if (err) {
+                mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn);
+                goto err_mac;
+        }
+
+err_mac:
+        put_res(dev, slave, qpn, RES_QP);
+        return err;
+}
+
 int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
                                          struct mlx4_vhcr *vhcr,
                                          struct mlx4_cmd_mailbox *inbox,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 7b52a88923ef..f785d01c7d12 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -1719,22 +1719,6 @@ static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
                                 tx_ring->producer;
 }
 
-static inline int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
-                                             struct net_device *netdev)
-{
-        int err;
-
-        netdev->num_tx_queues = adapter->drv_tx_rings;
-        netdev->real_num_tx_queues = adapter->drv_tx_rings;
-
-        err = netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
-        if (err)
-                netdev_err(netdev, "failed to set %d Tx queues\n",
-                           adapter->drv_tx_rings);
-
-        return err;
-}
-
 struct qlcnic_nic_template {
         int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
         int (*config_led) (struct qlcnic_adapter *, u32, u32);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 0bc914859e38..7e55e88a81bf 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2206,6 +2206,31 @@ static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
         ahw->max_uc_count = count;
 }
 
+static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
+                                      u8 tx_queues, u8 rx_queues)
+{
+        struct net_device *netdev = adapter->netdev;
+        int err = 0;
+
+        if (tx_queues) {
+                err = netif_set_real_num_tx_queues(netdev, tx_queues);
+                if (err) {
+                        netdev_err(netdev, "failed to set %d Tx queues\n",
+                                   tx_queues);
+                        return err;
+                }
+        }
+
+        if (rx_queues) {
+                err = netif_set_real_num_rx_queues(netdev, rx_queues);
+                if (err)
+                        netdev_err(netdev, "failed to set %d Rx queues\n",
+                                   rx_queues);
+        }
+
+        return err;
+}
+
 int
 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
                     int pci_using_dac)
@@ -2269,7 +2294,8 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
         netdev->priv_flags |= IFF_UNICAST_FLT;
         netdev->irq = adapter->msix_entries[0].vector;
 
-        err = qlcnic_set_real_num_queues(adapter, netdev);
+        err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
+                                         adapter->drv_sds_rings);
         if (err)
                 return err;
 
@@ -2943,9 +2969,13 @@ static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
                             tx_ring->tx_stats.xmit_called,
                             tx_ring->tx_stats.xmit_on,
                             tx_ring->tx_stats.xmit_off);
+
+                if (tx_ring->crb_intr_mask)
+                        netdev_info(netdev, "crb_intr_mask=%d\n",
+                                    readl(tx_ring->crb_intr_mask));
+
                 netdev_info(netdev,
-                            "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
-                            readl(tx_ring->crb_intr_mask),
+                            "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
                             readl(tx_ring->crb_cmd_producer),
                             tx_ring->producer, tx_ring->sw_consumer,
                             le32_to_cpu(*(tx_ring->hw_consumer)));
@@ -3978,12 +4008,21 @@ int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
 {
         struct net_device *netdev = adapter->netdev;
+        u8 tx_rings, rx_rings;
         int err;
 
         if (test_bit(__QLCNIC_RESETTING, &adapter->state))
                 return -EBUSY;
 
+        tx_rings = adapter->drv_tss_rings;
+        rx_rings = adapter->drv_rss_rings;
+
         netif_device_detach(netdev);
+
+        err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
+        if (err)
+                goto done;
+
         if (netif_running(netdev))
                 __qlcnic_down(adapter, netdev);
 
@@ -4003,7 +4042,17 @@ int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
                 return err;
         }
 
-        netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
+        /* Check if we need to update real_num_{tx|rx}_queues because
+         * qlcnic_setup_intr() may change Tx/Rx rings size
+         */
+        if ((tx_rings != adapter->drv_tx_rings) ||
+            (rx_rings != adapter->drv_sds_rings)) {
+                err = qlcnic_set_real_num_queues(adapter,
+                                                 adapter->drv_tx_rings,
+                                                 adapter->drv_sds_rings);
+                if (err)
+                        goto done;
+        }
 
         if (qlcnic_83xx_check(adapter)) {
                 qlcnic_83xx_initialize_nic(adapter, 1);
diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c
index 32d969e857f7..89b83e59e1dc 100644
--- a/drivers/net/ethernet/sfc/nic.c
+++ b/drivers/net/ethernet/sfc/nic.c
@@ -156,13 +156,15 @@ void efx_nic_fini_interrupt(struct efx_nic *efx)
         efx->net_dev->rx_cpu_rmap = NULL;
 #endif
 
-        /* Disable MSI/MSI-X interrupts */
-        efx_for_each_channel(channel, efx)
-                free_irq(channel->irq, &efx->msi_context[channel->channel]);
-
-        /* Disable legacy interrupt */
-        if (efx->legacy_irq)
+        if (EFX_INT_MODE_USE_MSI(efx)) {
+                /* Disable MSI/MSI-X interrupts */
+                efx_for_each_channel(channel, efx)
+                        free_irq(channel->irq,
+                                 &efx->msi_context[channel->channel]);
+        } else {
+                /* Disable legacy interrupt */
                 free_irq(efx->legacy_irq, efx);
+        }
 }
 
 /* Register dump */
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index d940034acdd4..0f4841d2e8dc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1704,7 +1704,7 @@ static int stmmac_open(struct net_device *dev)
                 if (ret) {
                         pr_err("%s: Cannot attach to PHY (error: %d)\n",
                                __func__, ret);
-                        goto phy_error;
+                        return ret;
                 }
         }
 
@@ -1779,8 +1779,6 @@ init_error:
 dma_desc_error:
         if (priv->phydev)
                 phy_disconnect(priv->phydev);
-phy_error:
-        clk_disable_unprepare(priv->stmmac_clk);
 
         return ret;
 }
diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index df8d383acf48..b9ac20f42651 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -246,7 +246,7 @@ static inline void cas_lock_tx(struct cas *cp)
         int i;
 
         for (i = 0; i < N_TX_RINGS; i++)
-                spin_lock(&cp->tx_lock[i]);
+                spin_lock_nested(&cp->tx_lock[i], i);
 }
 
 static inline void cas_lock_all(struct cas *cp)
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 36aa109416c4..c331b7ebc812 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1871,18 +1871,13 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
                 mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
                 phyid = be32_to_cpup(parp+1);
                 mdio = of_find_device_by_node(mdio_node);
-
-                if (strncmp(mdio->name, "gpio", 4) == 0) {
-                        /* GPIO bitbang MDIO driver attached */
-                        struct mii_bus *bus = dev_get_drvdata(&mdio->dev);
-
-                        snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-                                 PHY_ID_FMT, bus->id, phyid);
-                } else {
-                        /* davinci MDIO driver attached */
-                        snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-                                 PHY_ID_FMT, mdio->name, phyid);
+                of_node_put(mdio_node);
+                if (!mdio) {
+                        pr_err("Missing mdio platform device\n");
+                        return -EINVAL;
                 }
+                snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+                         PHY_ID_FMT, mdio->name, phyid);
 
                 mac_addr = of_get_mac_address(slave_node);
                 if (mac_addr)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index b0e2865a6810..d53e299ae1d9 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -458,8 +458,10 @@ static void macvlan_change_rx_flags(struct net_device *dev, int change)
         struct macvlan_dev *vlan = netdev_priv(dev);
         struct net_device *lowerdev = vlan->lowerdev;
 
-        if (change & IFF_ALLMULTI)
-                dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1);
+        if (dev->flags & IFF_UP) {
+                if (change & IFF_ALLMULTI)
+                        dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1);
+        }
 }
 
 static void macvlan_set_mac_lists(struct net_device *dev)
@@ -515,6 +517,11 @@ static struct lock_class_key macvlan_netdev_addr_lock_key;
 #define MACVLAN_STATE_MASK \
         ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
 
+static int macvlan_get_nest_level(struct net_device *dev)
+{
+        return ((struct macvlan_dev *)netdev_priv(dev))->nest_level;
+}
+
 static void macvlan_set_lockdep_class_one(struct net_device *dev,
                                           struct netdev_queue *txq,
                                           void *_unused)
@@ -525,8 +532,9 @@ static void macvlan_set_lockdep_class_one(struct net_device *dev,
 
 static void macvlan_set_lockdep_class(struct net_device *dev)
 {
-        lockdep_set_class(&dev->addr_list_lock,
-                          &macvlan_netdev_addr_lock_key);
+        lockdep_set_class_and_subclass(&dev->addr_list_lock,
+                                       &macvlan_netdev_addr_lock_key,
+                                       macvlan_get_nest_level(dev));
         netdev_for_each_tx_queue(dev, macvlan_set_lockdep_class_one, NULL);
 }
 
@@ -721,6 +729,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
         .ndo_fdb_add            = macvlan_fdb_add,
         .ndo_fdb_del            = macvlan_fdb_del,
         .ndo_fdb_dump           = ndo_dflt_fdb_dump,
+        .ndo_get_lock_subclass  = macvlan_get_nest_level,
 };
 
 void macvlan_common_setup(struct net_device *dev)
@@ -849,6 +858,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
         vlan->dev      = dev;
         vlan->port     = port;
         vlan->set_features = MACVLAN_FEATURES;
+        vlan->nest_level = dev_get_nest_level(lowerdev, netif_is_macvlan) + 1;
 
         vlan->mode     = MACVLAN_MODE_VEPA;
         if (data && data[IFLA_MACVLAN_MODE])
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 9c4defdec67b..5f1a2250018f 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -215,6 +215,10 @@ static int mdio_gpio_probe(struct platform_device *pdev)
         if (pdev->dev.of_node) {
                 pdata = mdio_gpio_of_get_data(pdev);
                 bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
+                if (bus_id < 0) {
+                        dev_warn(&pdev->dev, "failed to get alias id\n");
+                        bus_id = 0;
+                }
         } else {
                 pdata = dev_get_platdata(&pdev->dev);
                 bus_id = pdev->id;
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index a972056b2249..3bc079a67a3d 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -715,7 +715,7 @@ void phy_state_machine(struct work_struct *work)
         struct delayed_work *dwork = to_delayed_work(work);
         struct phy_device *phydev =
                         container_of(dwork, struct phy_device, state_queue);
-        int needs_aneg = 0, do_suspend = 0;
+        bool needs_aneg = false, do_suspend = false, do_resume = false;
         int err = 0;
 
         mutex_lock(&phydev->lock);
@@ -727,7 +727,7 @@ void phy_state_machine(struct work_struct *work)
         case PHY_PENDING:
                 break;
         case PHY_UP:
-                needs_aneg = 1;
+                needs_aneg = true;
 
                 phydev->link_timeout = PHY_AN_TIMEOUT;
 
@@ -757,7 +757,7 @@ void phy_state_machine(struct work_struct *work)
                         phydev->adjust_link(phydev->attached_dev);
 
                 } else if (0 == phydev->link_timeout--)
-                        needs_aneg = 1;
+                        needs_aneg = true;
                 break;
         case PHY_NOLINK:
                 err = phy_read_status(phydev);
@@ -791,7 +791,7 @@ void phy_state_machine(struct work_struct *work)
                         netif_carrier_on(phydev->attached_dev);
                 } else {
                         if (0 == phydev->link_timeout--)
-                                needs_aneg = 1;
+                                needs_aneg = true;
                 }
 
                 phydev->adjust_link(phydev->attached_dev);
@@ -827,7 +827,7 @@ void phy_state_machine(struct work_struct *work)
                         phydev->link = 0;
                         netif_carrier_off(phydev->attached_dev);
                         phydev->adjust_link(phydev->attached_dev);
-                        do_suspend = 1;
+                        do_suspend = true;
                 }
                 break;
         case PHY_RESUMING:
@@ -876,6 +876,7 @@ void phy_state_machine(struct work_struct *work)
                         }
                         phydev->adjust_link(phydev->attached_dev);
                 }
+                do_resume = true;
                 break;
         }
 
@@ -883,9 +884,10 @@ void phy_state_machine(struct work_struct *work)
 
         if (needs_aneg)
                 err = phy_start_aneg(phydev);
-
-        if (do_suspend)
+        else if (do_suspend)
                 phy_suspend(phydev);
+        else if (do_resume)
+                phy_resume(phydev);
 
         if (err < 0)
                 phy_error(phydev);
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 0ce606624296..4987a1c6dc52 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -614,8 +614,8 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
         err = phy_init_hw(phydev);
         if (err)
                 phy_detach(phydev);
-
-        phy_resume(phydev);
+        else
+                phy_resume(phydev);
 
         return err;
 }
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index c9f3281506af..2e025ddcef21 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -120,6 +120,16 @@ static void cdc_mbim_unbind(struct usbnet *dev, struct usb_interface *intf)
         cdc_ncm_unbind(dev, intf);
 }
 
+/* verify that the ethernet protocol is IPv4 or IPv6 */
+static bool is_ip_proto(__be16 proto)
+{
+        switch (proto) {
+        case htons(ETH_P_IP):
+        case htons(ETH_P_IPV6):
+                return true;
+        }
+        return false;
+}
 
 static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
 {
@@ -128,6 +138,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
         struct cdc_ncm_ctx *ctx = info->ctx;
         __le32 sign = cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN);
         u16 tci = 0;
+        bool is_ip;
         u8 *c;
 
         if (!ctx)
@@ -137,25 +148,32 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
                 if (skb->len <= ETH_HLEN)
                         goto error;
 
+                /* Some applications using e.g. packet sockets will
+                 * bypass the VLAN acceleration and create tagged
+                 * ethernet frames directly.  We primarily look for
+                 * the accelerated out-of-band tag, but fall back if
+                 * required
+                 */
+                skb_reset_mac_header(skb);
+                if (vlan_get_tag(skb, &tci) < 0 && skb->len > VLAN_ETH_HLEN &&
+                    __vlan_get_tag(skb, &tci) == 0) {
+                        is_ip = is_ip_proto(vlan_eth_hdr(skb)->h_vlan_encapsulated_proto);
+                        skb_pull(skb, VLAN_ETH_HLEN);
+                } else {
+                        is_ip = is_ip_proto(eth_hdr(skb)->h_proto);
+                        skb_pull(skb, ETH_HLEN);
+                }
+
                 /* mapping VLANs to MBIM sessions:
                  *   no tag     => IPS session <0>
                  *   1 - 255    => IPS session <vlanid>
                  *   256 - 511  => DSS session <vlanid - 256>
                  *   512 - 4095 => unsupported, drop
                  */
-                vlan_get_tag(skb, &tci);
-
                 switch (tci & 0x0f00) {
                 case 0x0000: /* VLAN ID 0 - 255 */
-                        /* verify that datagram is IPv4 or IPv6 */
-                        skb_reset_mac_header(skb);
-                        switch (eth_hdr(skb)->h_proto) {
-                        case htons(ETH_P_IP):
-                        case htons(ETH_P_IPV6):
-                                break;
-                        default:
+                        if (!is_ip)
                                 goto error;
-                        }
                         c = (u8 *)&sign;
                         c[3] = tci;
                         break;
@@ -169,7 +187,6 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
                                   "unsupported tci=0x%04x\n", tci);
                         goto error;
                 }
-                skb_pull(skb, ETH_HLEN);
         }
 
         spin_lock_bh(&ctx->mtx);
@@ -204,17 +221,23 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci)
                 return;
 
         /* need to send the NA on the VLAN dev, if any */
-        if (tci)
+        rcu_read_lock();
+        if (tci) {
                 netdev = __vlan_find_dev_deep(dev->net, htons(ETH_P_8021Q),
                                               tci);
-        else
+                if (!netdev) {
+                        rcu_read_unlock();
+                        return;
+                }
+        } else {
                 netdev = dev->net;
-        if (!netdev)
-                return;
+        }
+        dev_hold(netdev);
+        rcu_read_unlock();
 
         in6_dev = in6_dev_get(netdev);
         if (!in6_dev)
-                return;
+                goto out;
         is_router = !!in6_dev->cnf.forwarding;
         in6_dev_put(in6_dev);
 
@@ -224,6 +247,8 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci)
                                  true /* solicited */,
                                  false /* override */,
                                  true /* inc_opt */);
+out:
+        dev_put(netdev);
 }
 
 static bool is_neigh_solicit(u8 *buf, size_t len)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index f46cd0250e48..5627917c5ff7 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -95,8 +95,10 @@ static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 
         if ((vif->type == NL80211_IFTYPE_AP ||
              vif->type == NL80211_IFTYPE_MESH_POINT) &&
-            bss_conf->enable_beacon)
+            bss_conf->enable_beacon) {
                 priv->reconfig_beacon = true;
+                priv->rearm_ani = true;
+        }
 
         if (bss_conf->assoc) {
                 priv->rearm_ani = true;
@@ -257,6 +259,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 
         ath9k_htc_ps_wakeup(priv);
 
+        ath9k_htc_stop_ani(priv);
         del_timer_sync(&priv->tx.cleanup_timer);
         ath9k_htc_tx_drain(priv);
 
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index afb3d15e38ff..be1985296bdc 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -4948,7 +4948,7 @@ static int brcmf_enable_bw40_2g(struct brcmf_if *ifp)
         if (!err) {
                 /* only set 2G bandwidth using bw_cap command */
                 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
-                band_bwcap.bw_cap = cpu_to_le32(WLC_BW_40MHZ_BIT);
+                band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
                 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
                                                sizeof(band_bwcap));
         } else {
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c
index fa858d548d13..0489314425cb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex.c
@@ -611,14 +611,14 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
                 bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
 
         if (IWL_MVM_BT_COEX_CORUNNING) {
-                bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_CORUN_LUT_20 |
-                                                    BT_VALID_CORUN_LUT_40);
+                bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
+                                                     BT_VALID_CORUN_LUT_40);
                 bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
         }
 
         if (IWL_MVM_BT_COEX_MPLUT) {
                 bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
-                bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
+                bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
         }
 
         if (mvm->cfg->bt_shared_single_ant)
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
index 9426905de6b2..d73a89ecd78a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
@@ -183,9 +183,9 @@ enum iwl_scan_type {
  *      this number of packets were received (typically 1)
  * @passive2active: is auto switching from passive to active during scan allowed
  * @rxchain_sel_flags: RXON_RX_CHAIN_*
- * @max_out_time: in usecs, max out of serving channel time
+ * @max_out_time: in TUs, max out of serving channel time
  * @suspend_time: how long to pause scan when returning to service channel:
- *      bits 0-19: beacon interal in usecs (suspend before executing)
+ *      bits 0-19: beacon interal in TUs (suspend before executing)
  *      bits 20-23: reserved
  *      bits 24-31: number of beacons (suspend between channels)
  * @rxon_flags: RXON_FLG_*
@@ -383,8 +383,8 @@ enum scan_framework_client {
  * @quiet_plcp_th:      quiet channel num of packets threshold
  * @good_CRC_th:        passive to active promotion threshold
  * @rx_chain:           RXON rx chain.
- * @max_out_time:       max uSec to be out of assoceated channel
- * @suspend_time:       pause scan this long when returning to service channel
+ * @max_out_time:       max TUs to be out of assoceated channel
+ * @suspend_time:       pause scan this TUs when returning to service channel
  * @flags:              RXON flags
  * @filter_flags:       RXONfilter
  * @tx_cmd:             tx command for active scan; for 2GHz and for 5GHz.
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index f0cebf12c7b8..b41dc84e9431 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1007,7 +1007,7 @@ static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
         memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
         len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
 
-        ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd);
+        ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
         if (ret)
                 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
 }
@@ -1023,7 +1023,7 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
         if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
                 return;
 
-        ieee80211_iterate_active_interfaces(
+        ieee80211_iterate_active_interfaces_atomic(
                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
                 iwl_mvm_mc_iface_iterator, &iter_data);
 }
@@ -1807,6 +1807,11 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
 
         mutex_lock(&mvm->mutex);
 
+        if (!iwl_mvm_is_idle(mvm)) {
+                ret = -EBUSY;
+                goto out;
+        }
+
         switch (mvm->scan_status) {
         case IWL_MVM_SCAN_OS:
                 IWL_DEBUG_SCAN(mvm, "Stopping previous scan for sched_scan\n");
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index d564233a65da..f1ec0986c3c9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -1003,6 +1003,9 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
         return mvmvif->low_latency;
 }
 
+/* Assoc status */
+bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
+
 /* Thermal management and CT-kill */
 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 9f52c5b3f0ec..e1c838899363 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -1010,7 +1010,7 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband,
                 return;
         }
 
-#ifdef CPTCFG_MAC80211_DEBUGFS
+#ifdef CONFIG_MAC80211_DEBUGFS
         /* Disable last tx check if we are debugging with fixed rate */
         if (lq_sta->dbg_fixed_rate) {
                 IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n");
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index c91dc8498852..c28de54c75d4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -277,51 +277,22 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
                                             IEEE80211_IFACE_ITER_NORMAL,
                                             iwl_mvm_scan_condition_iterator,
                                             &global_bound);
-        /*
-         * Under low latency traffic passive scan is fragmented meaning
-         * that dwell on a particular channel will be fragmented. Each fragment
-         * dwell time is 20ms and fragments period is 105ms. Skipping to next
-         * channel will be delayed by the same period - 105ms. So suspend_time
-         * parameter describing both fragments and channels skipping periods is
-         * set to 105ms. This value is chosen so that overall passive scan
-         * duration will not be too long. Max_out_time in this case is set to
-         * 70ms, so for active scanning operating channel will be left for 70ms
-         * while for passive still for 20ms (fragment dwell).
-         */
-        if (global_bound) {
-                if (!iwl_mvm_low_latency(mvm)) {
-                        params->suspend_time = ieee80211_tu_to_usec(100);
-                        params->max_out_time = ieee80211_tu_to_usec(600);
-                } else {
-                        params->suspend_time = ieee80211_tu_to_usec(105);
-                        /* P2P doesn't support fragmented passive scan, so
-                         * configure max_out_time to be at least longest dwell
-                         * time for passive scan.
-                         */
-                        if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
-                                params->max_out_time = ieee80211_tu_to_usec(70);
-                                params->passive_fragmented = true;
-                        } else {
-                                u32 passive_dwell;
 
-                                /*
-                                 * Use band G so that passive channel dwell time
-                                 * will be assigned with maximum value.
-                                 */
-                                band = IEEE80211_BAND_2GHZ;
-                                passive_dwell = iwl_mvm_get_passive_dwell(band);
-                                params->max_out_time =
-                                        ieee80211_tu_to_usec(passive_dwell);
-                        }
-                }
+        if (!global_bound)
+                goto not_bound;
+
+        params->suspend_time = 100;
+        params->max_out_time = 600;
+
+        if (iwl_mvm_low_latency(mvm)) {
+                params->suspend_time = 250;
+                params->max_out_time = 250;
         }
 
+not_bound:
+
         for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
-                if (params->passive_fragmented)
-                        params->dwell[band].passive = 20;
-                else
-                        params->dwell[band].passive =
-                                iwl_mvm_get_passive_dwell(band);
+                params->dwell[band].passive = iwl_mvm_get_passive_dwell(band);
                 params->dwell[band].active = iwl_mvm_get_active_dwell(band,
                                                                       n_ssids);
         }
@@ -761,7 +732,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
         int band_2ghz = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels;
         int band_5ghz = mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels;
         int head = 0;
-        int tail = band_2ghz + band_5ghz;
+        int tail = band_2ghz + band_5ghz - 1;
         u32 ssid_bitmap;
         int cmd_len;
         int ret;
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index d619851745a1..2180902266ae 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -644,3 +644,22 @@ bool iwl_mvm_low_latency(struct iwl_mvm *mvm)
 
         return result;
 }
+
+static void iwl_mvm_idle_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
+{
+        bool *idle = _data;
+
+        if (!vif->bss_conf.idle)
+                *idle = false;
+}
+
+bool iwl_mvm_is_idle(struct iwl_mvm *mvm)
+{
+        bool idle = true;
+
+        ieee80211_iterate_active_interfaces_atomic(
+                        mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+                        iwl_mvm_idle_iter, &idle);
+
+        return idle;
+}
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index dcfd6d866d09..2365553f1ef7 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -1749,6 +1749,10 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
          * PCI Tx retries from interfering with C3 CPU state */
         pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 
+        trans->dev = &pdev->dev;
+        trans_pcie->pci_dev = pdev;
+        iwl_disable_interrupts(trans);
+
         err = pci_enable_msi(pdev);
         if (err) {
                 dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err);
@@ -1760,8 +1764,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
                 }
         }
 
-        trans->dev = &pdev->dev;
-        trans_pcie->pci_dev = pdev;
         trans->hw_rev = iwl_read32(trans, CSR_HW_REV);
         trans->hw_id = (pdev->device << 16) + pdev->subsystem_device;
         snprintf(trans->hw_id_str, sizeof(trans->hw_id_str),
@@ -1787,8 +1789,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
                 goto out_pci_disable_msi;
         }
 
-        trans_pcie->inta_mask = CSR_INI_SET_MASK;
-
         if (iwl_pcie_alloc_ict(trans))
                 goto out_free_cmd_pool;
 
@@ -1800,6 +1800,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
                 goto out_free_ict;
         }
 
+        trans_pcie->inta_mask = CSR_INI_SET_MASK;
+
         return trans;
 
 out_free_ict:
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 630a3fcf65bc..0d4a285cbd7e 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -226,7 +226,7 @@ int xenvif_map_frontend_rings(struct xenvif *vif,
                               grant_ref_t rx_ring_ref);
 
 /* Check for SKBs from frontend and schedule backend processing */
-void xenvif_check_rx_xenvif(struct xenvif *vif);
+void xenvif_napi_schedule_or_enable_events(struct xenvif *vif);
 
 /* Prevent the device from generating any further traffic. */
 void xenvif_carrier_off(struct xenvif *vif);
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index ef05c5c49d41..20e9defa1060 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -75,32 +75,8 @@ static int xenvif_poll(struct napi_struct *napi, int budget)
         work_done = xenvif_tx_action(vif, budget);
 
         if (work_done < budget) {
-                int more_to_do = 0;
-                unsigned long flags;
-
-                /* It is necessary to disable IRQ before calling
-                 * RING_HAS_UNCONSUMED_REQUESTS. Otherwise we might
-                 * lose event from the frontend.
-                 *
-                 * Consider:
-                 *   RING_HAS_UNCONSUMED_REQUESTS
-                 *   <frontend generates event to trigger napi_schedule>
-                 *   __napi_complete
-                 *
-                 * This handler is still in scheduled state so the
-                 * event has no effect at all. After __napi_complete
-                 * this handler is descheduled and cannot get
-                 * scheduled again. We lose event in this case and the ring
-                 * will be completely stalled.
-                 */
-
-                local_irq_save(flags);
-
-                RING_FINAL_CHECK_FOR_REQUESTS(&vif->tx, more_to_do);
-                if (!more_to_do)
-                        __napi_complete(napi);
-
-                local_irq_restore(flags);
+                napi_complete(napi);
+                xenvif_napi_schedule_or_enable_events(vif);
         }
 
         return work_done;
@@ -194,7 +170,7 @@ static void xenvif_up(struct xenvif *vif)
         enable_irq(vif->tx_irq);
         if (vif->tx_irq != vif->rx_irq)
                 enable_irq(vif->rx_irq);
-        xenvif_check_rx_xenvif(vif);
+        xenvif_napi_schedule_or_enable_events(vif);
 }
 
 static void xenvif_down(struct xenvif *vif)
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 76665405c5aa..7367208ee8cd 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -104,7 +104,7 @@ static inline unsigned long idx_to_kaddr(struct xenvif *vif,
 
 /* Find the containing VIF's structure from a pointer in pending_tx_info array
  */
-static inline struct xenvif* ubuf_to_vif(struct ubuf_info *ubuf)
+static inline struct xenvif *ubuf_to_vif(const struct ubuf_info *ubuf)
 {
         u16 pending_idx = ubuf->desc;
         struct pending_tx_info *temp =
@@ -323,6 +323,35 @@ static void xenvif_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
 }
 
 /*
+ * Find the grant ref for a given frag in a chain of struct ubuf_info's
+ * skb: the skb itself
+ * i: the frag's number
+ * ubuf: a pointer to an element in the chain. It should not be NULL
+ *
+ * Returns a pointer to the element in the chain where the page were found. If
+ * not found, returns NULL.
+ * See the definition of callback_struct in common.h for more details about
+ * the chain.
+ */
+static const struct ubuf_info *xenvif_find_gref(const struct sk_buff *const skb,
+                                                const int i,
+                                                const struct ubuf_info *ubuf)
+{
+        struct xenvif *foreign_vif = ubuf_to_vif(ubuf);
+
+        do {
+                u16 pending_idx = ubuf->desc;
+
+                if (skb_shinfo(skb)->frags[i].page.p ==
+                    foreign_vif->mmap_pages[pending_idx])
+                        break;
+                ubuf = (struct ubuf_info *) ubuf->ctx;
+        } while (ubuf);
+
+        return ubuf;
+}
+
+/*
  * Prepare an SKB to be transmitted to the frontend.
  *
  * This function is responsible for allocating grant operations, meta
@@ -346,9 +375,8 @@ static int xenvif_gop_skb(struct sk_buff *skb,
         int head = 1;
         int old_meta_prod;
         int gso_type;
-        struct ubuf_info *ubuf = skb_shinfo(skb)->destructor_arg;
-        grant_ref_t foreign_grefs[MAX_SKB_FRAGS];
-        struct xenvif *foreign_vif = NULL;
+        const struct ubuf_info *ubuf = skb_shinfo(skb)->destructor_arg;
+        const struct ubuf_info *const head_ubuf = ubuf;
 
         old_meta_prod = npo->meta_prod;
 
@@ -386,19 +414,6 @@ static int xenvif_gop_skb(struct sk_buff *skb,
         npo->copy_off = 0;
         npo->copy_gref = req->gref;
 
-        if ((skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) &&
-                 (ubuf->callback == &xenvif_zerocopy_callback)) {
-                int i = 0;
-                foreign_vif = ubuf_to_vif(ubuf);
-
-                do {
-                        u16 pending_idx = ubuf->desc;
-                        foreign_grefs[i++] =
-                                foreign_vif->pending_tx_info[pending_idx].req.gref;
-                        ubuf = (struct ubuf_info *) ubuf->ctx;
-                } while (ubuf);
-        }
-
         data = skb->data;
         while (data < skb_tail_pointer(skb)) {
                 unsigned int offset = offset_in_page(data);
@@ -415,13 +430,60 @@ static int xenvif_gop_skb(struct sk_buff *skb,
         }
 
         for (i = 0; i < nr_frags; i++) {
+                /* This variable also signals whether foreign_gref has a real
+                 * value or not.
+                 */
+                struct xenvif *foreign_vif = NULL;
+                grant_ref_t foreign_gref;
+
+                if ((skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) &&
+                        (ubuf->callback == &xenvif_zerocopy_callback)) {
+                        const struct ubuf_info *const startpoint = ubuf;
+
+                        /* Ideally ubuf points to the chain element which
+                         * belongs to this frag. Or if frags were removed from
+                         * the beginning, then shortly before it.
+                         */
+                        ubuf = xenvif_find_gref(skb, i, ubuf);
+
+                        /* Try again from the beginning of the list, if we
+                         * haven't tried from there. This only makes sense in
+                         * the unlikely event of reordering the original frags.
+                         * For injected local pages it's an unnecessary second
+                         * run.
+                         */
+                        if (unlikely(!ubuf) && startpoint != head_ubuf)
+                                ubuf = xenvif_find_gref(skb, i, head_ubuf);
+
+                        if (likely(ubuf)) {
+                                u16 pending_idx = ubuf->desc;
+
+                                foreign_vif = ubuf_to_vif(ubuf);
+                                foreign_gref = foreign_vif->pending_tx_info[pending_idx].req.gref;
+                                /* Just a safety measure. If this was the last
+                                 * element on the list, the for loop will
+                                 * iterate again if a local page were added to
+                                 * the end. Using head_ubuf here prevents the
+                                 * second search on the chain. Or the original
+                                 * frags changed order, but that's less likely.
+                                 * In any way, ubuf shouldn't be NULL.
+                                 */
+                                ubuf = ubuf->ctx ?
+                                        (struct ubuf_info *) ubuf->ctx :
+                                        head_ubuf;
+                        } else
+                                /* This frag was a local page, added to the
+                                 * array after the skb left netback.
+                                 */
+                                ubuf = head_ubuf;
+                }
                 xenvif_gop_frag_copy(vif, skb, npo,
                                      skb_frag_page(&skb_shinfo(skb)->frags[i]),
                                      skb_frag_size(&skb_shinfo(skb)->frags[i]),
                                      skb_shinfo(skb)->frags[i].page_offset,
                                      &head,
                                      foreign_vif,
-                                     foreign_grefs[i]);
+                                     foreign_vif ? foreign_gref : UINT_MAX);
         }
 
         return npo->meta_prod - old_meta_prod;
@@ -654,7 +716,7 @@ done:
                 notify_remote_via_irq(vif->rx_irq);
 }
 
-void xenvif_check_rx_xenvif(struct xenvif *vif)
+void xenvif_napi_schedule_or_enable_events(struct xenvif *vif)
 {
         int more_to_do;
 
@@ -688,7 +750,7 @@ static void tx_credit_callback(unsigned long data)
 {
         struct xenvif *vif = (struct xenvif *)data;
         tx_add_credit(vif);
-        xenvif_check_rx_xenvif(vif);
+        xenvif_napi_schedule_or_enable_events(vif);
 }
 
 static void xenvif_tx_err(struct xenvif *vif,
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 6d4ee22708c9..32e969d95319 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1831,6 +1831,10 @@ int of_update_property(struct device_node *np, struct property *newprop)
         if (!found)
                 return -ENODEV;
 
+        /* At early boot, bail out and defer setup to of_init() */
+        if (!of_kset)
+                return found ? 0 : -ENODEV;
+
         /* Update the sysfs attribute */
         sysfs_remove_bin_file(&np->kobj, &oldprop->attr);
         __of_add_property_sysfs(np, newprop);
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index 58499277903a..6efc2ec5e4db 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -282,8 +282,8 @@ static int board_added(struct slot *p_slot)
                 return WRONG_BUS_FREQUENCY;
         }
 
-        bsp = ctrl->pci_dev->bus->cur_bus_speed;
-        msp = ctrl->pci_dev->bus->max_bus_speed;
+        bsp = ctrl->pci_dev->subordinate->cur_bus_speed;
+        msp = ctrl->pci_dev->subordinate->max_bus_speed;
 
         /* Check if there are other slots or devices on the same bus */
         if (!list_empty(&ctrl->pci_dev->subordinate->devices))
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 7325d43bf030..759475ef6ff3 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3067,7 +3067,8 @@ int pci_wait_for_pending_transaction(struct pci_dev *dev)
         if (!pci_is_pcie(dev))
                 return 1;
 
-        return pci_wait_for_pending(dev, PCI_EXP_DEVSTA, PCI_EXP_DEVSTA_TRPND);
+        return pci_wait_for_pending(dev, pci_pcie_cap(dev) + PCI_EXP_DEVSTA,
+                                    PCI_EXP_DEVSTA_TRPND);
 }
 EXPORT_SYMBOL(pci_wait_for_pending_transaction);
 
@@ -3109,7 +3110,7 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
                 return 0;
 
         /* Wait for Transaction Pending bit clean */
-        if (pci_wait_for_pending(dev, PCI_AF_STATUS, PCI_AF_STATUS_TP))
+        if (pci_wait_for_pending(dev, pos + PCI_AF_STATUS, PCI_AF_STATUS_TP))
                 goto clear;
 
         dev_err(&dev->dev, "transaction is not cleared; "
diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c
index 9802b67040cc..2c61281bebd7 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wmt.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c
@@ -523,17 +523,6 @@ static int wmt_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
                 return GPIOF_DIR_IN;
 }
 
-static int wmt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-{
-        return pinctrl_gpio_direction_input(chip->base + offset);
-}
-
-static int wmt_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
-                                     int value)
-{
-        return pinctrl_gpio_direction_output(chip->base + offset);
-}
-
 static int wmt_gpio_get_value(struct gpio_chip *chip, unsigned offset)
 {
         struct wmt_pinctrl_data *data = dev_get_drvdata(chip->dev);
@@ -568,6 +557,18 @@ static void wmt_gpio_set_value(struct gpio_chip *chip, unsigned offset,
                 wmt_clearbits(data, reg_data_out, BIT(bit));
 }
 
+static int wmt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+{
+        return pinctrl_gpio_direction_input(chip->base + offset);
+}
+
+static int wmt_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
+                                     int value)
+{
+        wmt_gpio_set_value(chip, offset, value);
+        return pinctrl_gpio_direction_output(chip->base + offset);
+}
+
 static struct gpio_chip wmt_gpio_chip = {
         .label = "gpio-wmt",
         .owner = THIS_MODULE,
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 6963bdf54175..6aea373547f6 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -6,6 +6,7 @@ menu "PTP clock support"
 
 config PTP_1588_CLOCK
         tristate "PTP clock support"
+        depends on NET
         select PPS
         select NET_PTP_CLASSIFY
         help
@@ -74,7 +75,7 @@ config DP83640_PHY
 config PTP_1588_CLOCK_PCH
         tristate "Intel PCH EG20T as PTP clock"
         depends on X86 || COMPILE_TEST
-        depends on HAS_IOMEM
+        depends on HAS_IOMEM && NET
         select PTP_1588_CLOCK
         help
           This driver adds support for using the PCH EG20T as a PTP
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 1b681427dde0..c341f855fadc 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -1621,8 +1621,6 @@ void sas_rphy_free(struct sas_rphy *rphy)
         list_del(&rphy->list);
         mutex_unlock(&sas_host->lock);
 
-        sas_bsg_remove(shost, rphy);
-
         transport_destroy_device(dev);
 
         put_device(dev);
@@ -1681,6 +1679,7 @@ sas_rphy_remove(struct sas_rphy *rphy)
         }
 
         sas_rphy_unlink(rphy);
+        sas_bsg_remove(NULL, rphy);
         transport_remove_device(dev);
         device_del(dev);
 }
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index fc67f564f02c..788ed9b59b4e 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -1,10 +1,12 @@
 #
 # Makefile for the SuperH specific drivers.
 #
-obj-y   := intc/
+obj-$(CONFIG_SUPERH)                    += intc/
+obj-$(CONFIG_ARCH_SHMOBILE_LEGACY)      += intc/
+ifneq ($(CONFIG_COMMON_CLK),y)
+obj-$(CONFIG_HAVE_CLK)                  += clk/
+endif
+obj-$(CONFIG_MAPLE)                     += maple/
+obj-$(CONFIG_SUPERHYWAY)                += superhyway/
 
-obj-$(CONFIG_HAVE_CLK)          += clk/
-obj-$(CONFIG_MAPLE)             += maple/
-obj-$(CONFIG_SUPERHYWAY)        += superhyway/
-
-obj-y                           += pm_runtime.o
+obj-y                                   += pm_runtime.o
diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c
index 8afa5a4589f2..10c65eb51f85 100644
--- a/drivers/sh/pm_runtime.c
+++ b/drivers/sh/pm_runtime.c
@@ -50,8 +50,25 @@ static struct pm_clk_notifier_block platform_bus_notifier = {
         .con_ids = { NULL, },
 };
 
+static bool default_pm_on;
+
 static int __init sh_pm_runtime_init(void)
 {
+        if (IS_ENABLED(CONFIG_ARCH_SHMOBILE_MULTI)) {
+                if (!of_machine_is_compatible("renesas,emev2") &&
+                    !of_machine_is_compatible("renesas,r7s72100") &&
+                    !of_machine_is_compatible("renesas,r8a73a4") &&
+                    !of_machine_is_compatible("renesas,r8a7740") &&
+                    !of_machine_is_compatible("renesas,r8a7778") &&
+                    !of_machine_is_compatible("renesas,r8a7779") &&
+                    !of_machine_is_compatible("renesas,r8a7790") &&
+                    !of_machine_is_compatible("renesas,r8a7791") &&
+                    !of_machine_is_compatible("renesas,sh7372") &&
+                    !of_machine_is_compatible("renesas,sh73a0"))
+                        return 0;
+        }
+
+        default_pm_on = true;
         pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
         return 0;
 }
@@ -59,7 +76,8 @@ core_initcall(sh_pm_runtime_init);
 
 static int __init sh_pm_runtime_late_init(void)
 {
-        pm_genpd_poweroff_unused();
+        if (default_pm_on)
+                pm_genpd_poweroff_unused();
         return 0;
 }
 late_initcall(sh_pm_runtime_late_init);
diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c
index 713af4806f26..f6759dc0153b 100644
--- a/drivers/spi/spi-pxa2xx-dma.c
+++ b/drivers/spi/spi-pxa2xx-dma.c
@@ -29,18 +29,6 @@ static int pxa2xx_spi_map_dma_buffer(struct driver_data *drv_data,
         struct sg_table *sgt;
         void *buf, *pbuf;
 
-        /*
-         * Some DMA controllers have problems transferring buffers that are
-         * not multiple of 4 bytes. So we truncate the transfer so that it
-         * is suitable for such controllers, and handle the trailing bytes
-         * manually after the DMA completes.
-         *
-         * REVISIT: It would be better if this information could be
-         * retrieved directly from the DMA device in a similar way than
-         * ->copy_align etc. is done.
-         */
-        len = ALIGN(drv_data->len, 4);
-
         if (dir == DMA_TO_DEVICE) {
                 dmadev = drv_data->tx_chan->device->dev;
                 sgt = &drv_data->tx_sgt;
@@ -144,12 +132,8 @@ static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data,
                 if (!error) {
                         pxa2xx_spi_unmap_dma_buffers(drv_data);
 
-                        /* Handle the last bytes of unaligned transfer */
                         drv_data->tx += drv_data->tx_map_len;
-                        drv_data->write(drv_data);
-
                         drv_data->rx += drv_data->rx_map_len;
-                        drv_data->read(drv_data);
 
                         msg->actual_length += drv_data->len;
                         msg->state = pxa2xx_spi_next_transfer(drv_data);
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index b032e8885e24..78c66e3c53ed 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -734,7 +734,7 @@ static int spi_qup_remove(struct platform_device *pdev)
         int ret;
 
         ret = pm_runtime_get_sync(&pdev->dev);
-        if (ret)
+        if (ret < 0)
                 return ret;
 
         ret = spi_qup_set_state(controller, QUP_STATE_RESET);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 4eb9bf02996c..939edf473235 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -580,6 +580,7 @@ static void spi_set_cs(struct spi_device *spi, bool enable)
                 spi->master->set_cs(spi, !enable);
 }
 
+#ifdef CONFIG_HAS_DMA
 static int spi_map_buf(struct spi_master *master, struct device *dev,
                        struct sg_table *sgt, void *buf, size_t len,
                        enum dma_data_direction dir)
@@ -637,55 +638,12 @@ static void spi_unmap_buf(struct spi_master *master, struct device *dev,
         }
 }
 
-static int spi_map_msg(struct spi_master *master, struct spi_message *msg)
+static int __spi_map_msg(struct spi_master *master, struct spi_message *msg)
 {
         struct device *tx_dev, *rx_dev;
         struct spi_transfer *xfer;
-        void *tmp;
-        unsigned int max_tx, max_rx;
         int ret;
 
-        if (master->flags & (SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX)) {
-                max_tx = 0;
-                max_rx = 0;
-
-                list_for_each_entry(xfer, &msg->transfers, transfer_list) {
-                        if ((master->flags & SPI_MASTER_MUST_TX) &&
-                            !xfer->tx_buf)
-                                max_tx = max(xfer->len, max_tx);
-                        if ((master->flags & SPI_MASTER_MUST_RX) &&
-                            !xfer->rx_buf)
-                                max_rx = max(xfer->len, max_rx);
-                }
-
-                if (max_tx) {
-                        tmp = krealloc(master->dummy_tx, max_tx,
-                                       GFP_KERNEL | GFP_DMA);
-                        if (!tmp)
-                                return -ENOMEM;
-                        master->dummy_tx = tmp;
-                        memset(tmp, 0, max_tx);
-                }
-
-                if (max_rx) {
-                        tmp = krealloc(master->dummy_rx, max_rx,
-                                       GFP_KERNEL | GFP_DMA);
-                        if (!tmp)
-                                return -ENOMEM;
-                        master->dummy_rx = tmp;
-                }
-
-                if (max_tx || max_rx) {
-                        list_for_each_entry(xfer, &msg->transfers,
-                                            transfer_list) {
-                                if (!xfer->tx_buf)
-                                        xfer->tx_buf = master->dummy_tx;
-                                if (!xfer->rx_buf)
-                                        xfer->rx_buf = master->dummy_rx;
-                        }
-                }
-        }
-
         if (!master->can_dma)
                 return 0;
 
@@ -742,6 +700,69 @@ static int spi_unmap_msg(struct spi_master *master, struct spi_message *msg)
 
         return 0;
 }
+#else /* !CONFIG_HAS_DMA */
+static inline int __spi_map_msg(struct spi_master *master,
+                                struct spi_message *msg)
+{
+        return 0;
+}
+
+static inline int spi_unmap_msg(struct spi_master *master,
+                                struct spi_message *msg)
+{
+        return 0;
+}
+#endif /* !CONFIG_HAS_DMA */
+
+static int spi_map_msg(struct spi_master *master, struct spi_message *msg)
+{
+        struct spi_transfer *xfer;
+        void *tmp;
+        unsigned int max_tx, max_rx;
+
+        if (master->flags & (SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX)) {
+                max_tx = 0;
+                max_rx = 0;
+
+                list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+                        if ((master->flags & SPI_MASTER_MUST_TX) &&
+                            !xfer->tx_buf)
+                                max_tx = max(xfer->len, max_tx);
+                        if ((master->flags & SPI_MASTER_MUST_RX) &&
+                            !xfer->rx_buf)
+                                max_rx = max(xfer->len, max_rx);
+                }
+
+                if (max_tx) {
+                        tmp = krealloc(master->dummy_tx, max_tx,
+                                       GFP_KERNEL | GFP_DMA);
+                        if (!tmp)
+                                return -ENOMEM;
+                        master->dummy_tx = tmp;
+                        memset(tmp, 0, max_tx);
+                }
+
+                if (max_rx) {
+                        tmp = krealloc(master->dummy_rx, max_rx,
+                                       GFP_KERNEL | GFP_DMA);
+                        if (!tmp)
+                                return -ENOMEM;
+                        master->dummy_rx = tmp;
+                }
+
+                if (max_tx || max_rx) {
+                        list_for_each_entry(xfer, &msg->transfers,
+                                            transfer_list) {
+                                if (!xfer->tx_buf)
+                                        xfer->tx_buf = master->dummy_tx;
+                                if (!xfer->rx_buf)
+                                        xfer->rx_buf = master->dummy_rx;
+                        }
+                }
+        }
+
+        return __spi_map_msg(master, msg);
+}
 
 /*
  * spi_transfer_one_message - Default implementation of transfer_one_message()
@@ -1151,7 +1172,6 @@ static int spi_master_initialize_queue(struct spi_master *master)
 {
         int ret;
 
-        master->queued = true;
         master->transfer = spi_queued_transfer;
         if (!master->transfer_one_message)
                 master->transfer_one_message = spi_transfer_one_message;
@@ -1162,6 +1182,7 @@ static int spi_master_initialize_queue(struct spi_master *master)
                 dev_err(&master->dev, "problem initializing queue\n");
                 goto err_init_queue;
         }
+        master->queued = true;
         ret = spi_start_queue(master);
         if (ret) {
                 dev_err(&master->dev, "problem starting queue\n");
@@ -1171,8 +1192,8 @@ static int spi_master_initialize_queue(struct spi_master *master)
         return 0;
 
 err_start_queue:
-err_init_queue:
         spi_destroy_queue(master);
+err_init_queue:
         return ret;
 }
 
@@ -1756,7 +1777,7 @@ EXPORT_SYMBOL_GPL(spi_busnum_to_master);
  */
 int spi_setup(struct spi_device *spi)
 {
-        unsigned        bad_bits;
+        unsigned        bad_bits, ugly_bits;
         int             status = 0;
 
         /* check mode to prevent that DUAL and QUAD set at the same time
@@ -1776,6 +1797,15 @@ int spi_setup(struct spi_device *spi)
          * that aren't supported with their current master
          */
         bad_bits = spi->mode & ~spi->master->mode_bits;
+        ugly_bits = bad_bits &
+                    (SPI_TX_DUAL | SPI_TX_QUAD | SPI_RX_DUAL | SPI_RX_QUAD);
+        if (ugly_bits) {
+                dev_warn(&spi->dev,
+                         "setup: ignoring unsupported mode bits %x\n",
+                         ugly_bits);
+                spi->mode &= ~ugly_bits;
+                bad_bits &= ~ugly_bits;
+        }
         if (bad_bits) {
                 dev_err(&spi->dev, "setup: unsupported mode bits %x\n",
                         bad_bits);
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 4144a75e5f71..c270c9ae6d27 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -517,7 +517,7 @@ int imx_drm_encoder_get_mux_id(struct device_node *node,
                 of_node_put(port);
                 if (port == imx_crtc->port) {
                         ret = of_graph_parse_endpoint(ep, &endpoint);
-                        return ret ? ret : endpoint.id;
+                        return ret ? ret : endpoint.port;
                 }
         } while (ep);
 
@@ -675,6 +675,11 @@ static int imx_drm_platform_probe(struct platform_device *pdev)
                         if (!remote || !of_device_is_available(remote)) {
                                 of_node_put(remote);
                                 continue;
+                        } else if (!of_device_is_available(remote->parent)) {
+                                dev_warn(&pdev->dev, "parent device of %s is not available\n",
+                                         remote->full_name);
+                                of_node_put(remote);
+                                continue;
                         }
 
                         ret = imx_drm_add_component(&pdev->dev, remote);
diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c
index 575533f4fd64..a23f4f773146 100644
--- a/drivers/staging/imx-drm/imx-tve.c
+++ b/drivers/staging/imx-drm/imx-tve.c
@@ -582,7 +582,7 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
         tve->dev = dev;
         spin_lock_init(&tve->lock);
 
-        ddc_node = of_parse_phandle(np, "i2c-ddc-bus", 0);
+        ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
         if (ddc_node) {
                 tve->ddc = of_find_i2c_adapter_by_node(ddc_node);
                 of_node_put(ddc_node);
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 8c101cbbee97..acc8184c46cd 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -1247,9 +1247,18 @@ static int vpfe_stop_streaming(struct vb2_queue *vq)
         struct vpfe_fh *fh = vb2_get_drv_priv(vq);
         struct vpfe_video_device *video = fh->video;
 
-        if (!vb2_is_streaming(vq))
-                return 0;
         /* release all active buffers */
+        if (video->cur_frm == video->next_frm) {
+                vb2_buffer_done(&video->cur_frm->vb, VB2_BUF_STATE_ERROR);
+        } else {
+                if (video->cur_frm != NULL)
+                        vb2_buffer_done(&video->cur_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+                if (video->next_frm != NULL)
+                        vb2_buffer_done(&video->next_frm->vb,
+                                        VB2_BUF_STATE_ERROR);
+        }
+
         while (!list_empty(&video->dma_queue)) {
                 video->next_frm = list_entry(video->dma_queue.next,
                                                 struct vpfe_cap_buffer, list);
diff --git a/drivers/staging/media/sn9c102/sn9c102_devtable.h b/drivers/staging/media/sn9c102/sn9c102_devtable.h
index b3d2cc729657..4ba569258498 100644
--- a/drivers/staging/media/sn9c102/sn9c102_devtable.h
+++ b/drivers/staging/media/sn9c102/sn9c102_devtable.h
@@ -48,10 +48,8 @@ static const struct usb_device_id sn9c102_id_table[] = {
         { SN9C102_USB_DEVICE(0x0c45, 0x600d, BRIDGE_SN9C102), },
 /*      { SN9C102_USB_DEVICE(0x0c45, 0x6011, BRIDGE_SN9C102), }, OV6650 */
         { SN9C102_USB_DEVICE(0x0c45, 0x6019, BRIDGE_SN9C102), },
-#endif
         { SN9C102_USB_DEVICE(0x0c45, 0x6024, BRIDGE_SN9C102), },
         { SN9C102_USB_DEVICE(0x0c45, 0x6025, BRIDGE_SN9C102), },
-#if !defined CONFIG_USB_GSPCA_SONIXB && !defined CONFIG_USB_GSPCA_SONIXB_MODULE
         { SN9C102_USB_DEVICE(0x0c45, 0x6028, BRIDGE_SN9C102), },
         { SN9C102_USB_DEVICE(0x0c45, 0x6029, BRIDGE_SN9C102), },
         { SN9C102_USB_DEVICE(0x0c45, 0x602a, BRIDGE_SN9C102), },
diff --git a/drivers/staging/rtl8723au/os_dep/os_intfs.c b/drivers/staging/rtl8723au/os_dep/os_intfs.c
index 57eca7a45672..4fe751f7c2bf 100644
--- a/drivers/staging/rtl8723au/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8723au/os_dep/os_intfs.c
@@ -953,8 +953,6 @@ static int netdev_close(struct net_device *pnetdev)
 #endif /* CONFIG_8723AU_P2P */
 
         rtw_scan_abort23a(padapter);
-         /* set this at the end */
-        padapter->rtw_wdev->iftype = NL80211_IFTYPE_MONITOR;
 
         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-871x_drv - drv_close\n"));
         DBG_8723A("-871x_drv - drv_close, bup =%d\n", padapter->bup);
diff --git a/drivers/staging/rtl8723au/os_dep/usb_ops_linux.c b/drivers/staging/rtl8723au/os_dep/usb_ops_linux.c
index c49160e477d8..07e542e5d156 100644
--- a/drivers/staging/rtl8723au/os_dep/usb_ops_linux.c
+++ b/drivers/staging/rtl8723au/os_dep/usb_ops_linux.c
@@ -26,7 +26,7 @@ unsigned int ffaddr2pipehdl23a(struct dvobj_priv *pdvobj, u32 addr)
         if (addr == RECV_BULK_IN_ADDR) {
                 pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[0]);
         } else if (addr == RECV_INT_IN_ADDR) {
-                pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[1]);
+                pipe = usb_rcvintpipe(pusbd, pdvobj->RtInPipe[1]);
         } else if (addr < HW_QUEUE_ENTRY) {
                 ep_num = pdvobj->Queue2Pipe[addr];
                 pipe = usb_sndbulkpipe(pusbd, ep_num);
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 78cab13bbb1b..46588c85d39b 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1593,7 +1593,9 @@ int iscsit_process_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
          * Initiator is expecting a NopIN ping reply..
          */
         if (hdr->itt != RESERVED_ITT) {
-                BUG_ON(!cmd);
+                if (!cmd)
+                        return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR,
+                                                (unsigned char *)hdr);
 
                 spin_lock_bh(&conn->cmd_lock);
                 list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list);
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 6960f22909ae..302eb3b78715 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -775,6 +775,7 @@ struct iscsi_np {
         int                     np_ip_proto;
         int                     np_sock_type;
         enum np_thread_state_table np_thread_state;
+        bool                    enabled;
         enum iscsi_timer_flags_table np_login_timer_flags;
         u32                     np_exports;
         enum np_flags_table     np_flags;
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 8739b98f6f93..ca31fa1b8a4b 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -436,7 +436,7 @@ static int iscsi_login_zero_tsih_s2(
                 }
                 off = mrdsl % PAGE_SIZE;
                 if (!off)
-                        return 0;
+                        goto check_prot;
 
                 if (mrdsl < PAGE_SIZE)
                         mrdsl = PAGE_SIZE;
@@ -452,6 +452,31 @@ static int iscsi_login_zero_tsih_s2(
                                 ISCSI_LOGIN_STATUS_NO_RESOURCES);
                         return -1;
                 }
+                /*
+                 * ISER currently requires that ImmediateData + Unsolicited
+                 * Data be disabled when protection / signature MRs are enabled.
+                 */
+check_prot:
+                if (sess->se_sess->sup_prot_ops &
+                   (TARGET_PROT_DOUT_STRIP | TARGET_PROT_DOUT_PASS |
+                    TARGET_PROT_DOUT_INSERT)) {
+
+                        sprintf(buf, "ImmediateData=No");
+                        if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) {
+                                iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
+                                                    ISCSI_LOGIN_STATUS_NO_RESOURCES);
+                                return -1;
+                        }
+
+                        sprintf(buf, "InitialR2T=Yes");
+                        if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) {
+                                iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
+                                                    ISCSI_LOGIN_STATUS_NO_RESOURCES);
+                                return -1;
+                        }
+                        pr_debug("Forcing ImmediateData=No + InitialR2T=Yes for"
+                                 " T10-PI enabled ISER session\n");
+                }
         }
 
         return 0;
@@ -984,6 +1009,7 @@ int iscsi_target_setup_login_socket(
         }
 
         np->np_transport = t;
+        np->enabled = true;
         return 0;
 }
 
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index eb96b20dc09e..ca1811858afd 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -184,6 +184,7 @@ static void iscsit_clear_tpg_np_login_thread(
                 return;
         }
 
+        tpg_np->tpg_np->enabled = false;
         iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);
 }
 
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 65001e133670..26416c15d65c 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -798,10 +798,10 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
                 pr_err("emulate_write_cache not supported for pSCSI\n");
                 return -EINVAL;
         }
-        if (dev->transport->get_write_cache) {
-                pr_warn("emulate_write_cache cannot be changed when underlying"
-                        " HW reports WriteCacheEnabled, ignoring request\n");
-                return 0;
+        if (flag &&
+            dev->transport->get_write_cache) {
+                pr_err("emulate_write_cache not supported for this device\n");
+                return -EINVAL;
         }
 
         dev->dev_attrib.emulate_write_cache = flag;
@@ -936,6 +936,10 @@ int se_dev_set_pi_prot_type(struct se_device *dev, int flag)
                 return 0;
         }
         if (!dev->transport->init_prot || !dev->transport->free_prot) {
+                /* 0 is only allowed value for non-supporting backends */
+                if (flag == 0)
+                        return 0;
+
                 pr_err("DIF protection not supported by backend: %s\n",
                        dev->transport->name);
                 return -ENOSYS;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index d4b98690a736..789aa9eb0a1e 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1113,6 +1113,7 @@ void transport_init_se_cmd(
         init_completion(&cmd->cmd_wait_comp);
         init_completion(&cmd->task_stop_comp);
         spin_lock_init(&cmd->t_state_lock);
+        kref_init(&cmd->cmd_kref);
         cmd->transport_state = CMD_T_DEV_ACTIVE;
 
         cmd->se_tfo = tfo;
@@ -2357,7 +2358,6 @@ int target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd,
         unsigned long flags;
         int ret = 0;
 
-        kref_init(&se_cmd->cmd_kref);
         /*
          * Add a second kref if the fabric caller is expecting to handle
          * fabric acknowledgement that requires two target_put_sess_cmd()
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 01cf37f212c3..f5fd515b2bee 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -90,18 +90,18 @@ static void ft_free_cmd(struct ft_cmd *cmd)
 {
         struct fc_frame *fp;
         struct fc_lport *lport;
-        struct se_session *se_sess;
+        struct ft_sess *sess;
 
         if (!cmd)
                 return;
-        se_sess = cmd->sess->se_sess;
+        sess = cmd->sess;
         fp = cmd->req_frame;
         lport = fr_dev(fp);
         if (fr_seq(fp))
                 lport->tt.seq_release(fr_seq(fp));
         fc_frame_free(fp);
-        percpu_ida_free(&se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
-        ft_sess_put(cmd->sess); /* undo get from lookup at recv */
+        percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
+        ft_sess_put(sess);      /* undo get from lookup at recv */
 }
 
 void ft_release_cmd(struct se_cmd *se_cmd)
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 1c8c6cc6de30..4b0eff6da674 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -130,6 +130,15 @@ static void afs_cm_destructor(struct afs_call *call)
 {
         _enter("");
 
+        /* Break the callbacks here so that we do it after the final ACK is
+         * received.  The step number here must match the final number in
+         * afs_deliver_cb_callback().
+         */
+        if (call->unmarshall == 6) {
+                ASSERT(call->server && call->count && call->request);
+                afs_break_callbacks(call->server, call->count, call->request);
+        }
+
         afs_put_server(call->server);
         call->server = NULL;
         kfree(call->buffer);
@@ -272,6 +281,16 @@ static int afs_deliver_cb_callback(struct afs_call *call, struct sk_buff *skb,
                 _debug("trailer");
                 if (skb->len != 0)
                         return -EBADMSG;
+
+                /* Record that the message was unmarshalled successfully so
+                 * that the call destructor can know do the callback breaking
+                 * work, even if the final ACK isn't received.
+                 *
+                 * If the step number changes, then afs_cm_destructor() must be
+                 * updated also.
+                 */
+                call->unmarshall++;
+        case 6:
                 break;
         }
 
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index be75b500005d..590b55f46d61 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -75,7 +75,7 @@ struct afs_call {
         const struct afs_call_type *type;       /* type of call */
         const struct afs_wait_mode *wait_mode;  /* completion wait mode */
         wait_queue_head_t       waitq;          /* processes awaiting completion */
-        work_func_t             async_workfn;
+        void (*async_workfn)(struct afs_call *call); /* asynchronous work function */
         struct work_struct      async_work;     /* asynchronous work processor */
         struct work_struct      work;           /* actual work processor */
         struct sk_buff_head     rx_queue;       /* received packets */
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index ef943df73b8c..03a3beb17004 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -25,7 +25,7 @@ static void afs_wake_up_call_waiter(struct afs_call *);
 static int afs_wait_for_call_to_complete(struct afs_call *);
 static void afs_wake_up_async_call(struct afs_call *);
 static int afs_dont_wait_for_call_to_complete(struct afs_call *);
-static void afs_process_async_call(struct work_struct *);
+static void afs_process_async_call(struct afs_call *);
 static void afs_rx_interceptor(struct sock *, unsigned long, struct sk_buff *);
 static int afs_deliver_cm_op_id(struct afs_call *, struct sk_buff *, bool);
 
@@ -58,6 +58,13 @@ static void afs_collect_incoming_call(struct work_struct *);
 static struct sk_buff_head afs_incoming_calls;
 static DECLARE_WORK(afs_collect_incoming_call_work, afs_collect_incoming_call);
 
+static void afs_async_workfn(struct work_struct *work)
+{
+        struct afs_call *call = container_of(work, struct afs_call, async_work);
+
+        call->async_workfn(call);
+}
+
 /*
  * open an RxRPC socket and bind it to be a server for callback notifications
  * - the socket is left in blocking mode and non-blocking ops use MSG_DONTWAIT
@@ -184,6 +191,28 @@ static void afs_free_call(struct afs_call *call)
 }
 
 /*
+ * End a call but do not free it
+ */
+static void afs_end_call_nofree(struct afs_call *call)
+{
+        if (call->rxcall) {
+                rxrpc_kernel_end_call(call->rxcall);
+                call->rxcall = NULL;
+        }
+        if (call->type->destructor)
+                call->type->destructor(call);
+}
+
+/*
+ * End a call and free it
+ */
+static void afs_end_call(struct afs_call *call)
+{
+        afs_end_call_nofree(call);
+        afs_free_call(call);
+}
+
+/*
  * allocate a call with flat request and reply buffers
  */
 struct afs_call *afs_alloc_flat_call(const struct afs_call_type *type,
@@ -326,7 +355,8 @@ int afs_make_call(struct in_addr *addr, struct afs_call *call, gfp_t gfp,
                atomic_read(&afs_outstanding_calls));
 
         call->wait_mode = wait_mode;
-        INIT_WORK(&call->async_work, afs_process_async_call);
+        call->async_workfn = afs_process_async_call;
+        INIT_WORK(&call->async_work, afs_async_workfn);
 
         memset(&srx, 0, sizeof(srx));
         srx.srx_family = AF_RXRPC;
@@ -383,11 +413,8 @@ error_do_abort:
         rxrpc_kernel_abort_call(rxcall, RX_USER_ABORT);
         while ((skb = skb_dequeue(&call->rx_queue)))
                 afs_free_skb(skb);
-        rxrpc_kernel_end_call(rxcall);
-        call->rxcall = NULL;
 error_kill_call:
-        call->type->destructor(call);
-        afs_free_call(call);
+        afs_end_call(call);
         _leave(" = %d", ret);
         return ret;
 }
@@ -509,12 +536,8 @@ static void afs_deliver_to_call(struct afs_call *call)
         if (call->state >= AFS_CALL_COMPLETE) {
                 while ((skb = skb_dequeue(&call->rx_queue)))
                         afs_free_skb(skb);
-                if (call->incoming) {
-                        rxrpc_kernel_end_call(call->rxcall);
-                        call->rxcall = NULL;
-                        call->type->destructor(call);
-                        afs_free_call(call);
-                }
+                if (call->incoming)
+                        afs_end_call(call);
         }
 
         _leave("");
@@ -564,10 +587,7 @@ static int afs_wait_for_call_to_complete(struct afs_call *call)
         }
 
         _debug("call complete");
-        rxrpc_kernel_end_call(call->rxcall);
-        call->rxcall = NULL;
-        call->type->destructor(call);
-        afs_free_call(call);
+        afs_end_call(call);
         _leave(" = %d", ret);
         return ret;
 }
@@ -603,11 +623,8 @@ static int afs_dont_wait_for_call_to_complete(struct afs_call *call)
 /*
  * delete an asynchronous call
  */
-static void afs_delete_async_call(struct work_struct *work)
+static void afs_delete_async_call(struct afs_call *call)
 {
-        struct afs_call *call =
-                container_of(work, struct afs_call, async_work);
-
         _enter("");
 
         afs_free_call(call);
@@ -620,11 +637,8 @@ static void afs_delete_async_call(struct work_struct *work)
  * - on a multiple-thread workqueue this work item may try to run on several
  *   CPUs at the same time
  */
-static void afs_process_async_call(struct work_struct *work)
+static void afs_process_async_call(struct afs_call *call)
 {
-        struct afs_call *call =
-                container_of(work, struct afs_call, async_work);
-
         _enter("");
 
         if (!skb_queue_empty(&call->rx_queue))
@@ -637,10 +651,7 @@ static void afs_process_async_call(struct work_struct *work)
                 call->reply = NULL;
 
                 /* kill the call */
-                rxrpc_kernel_end_call(call->rxcall);
-                call->rxcall = NULL;
-                if (call->type->destructor)
-                        call->type->destructor(call);
+                afs_end_call_nofree(call);
 
                 /* we can't just delete the call because the work item may be
                  * queued */
@@ -663,13 +674,6 @@ void afs_transfer_reply(struct afs_call *call, struct sk_buff *skb)
         call->reply_size += len;
 }
 
-static void afs_async_workfn(struct work_struct *work)
-{
-        struct afs_call *call = container_of(work, struct afs_call, async_work);
-
-        call->async_workfn(work);
-}
-
 /*
  * accept the backlog of incoming calls
  */
@@ -790,10 +794,7 @@ void afs_send_empty_reply(struct afs_call *call)
                 _debug("oom");
                 rxrpc_kernel_abort_call(call->rxcall, RX_USER_ABORT);
         default:
-                rxrpc_kernel_end_call(call->rxcall);
-                call->rxcall = NULL;
-                call->type->destructor(call);
-                afs_free_call(call);
+                afs_end_call(call);
                 _leave(" [error]");
                 return;
         }
@@ -823,17 +824,16 @@ void afs_send_simple_reply(struct afs_call *call, const void *buf, size_t len)
         call->state = AFS_CALL_AWAIT_ACK;
         n = rxrpc_kernel_send_data(call->rxcall, &msg, len);
         if (n >= 0) {
+                /* Success */
                 _leave(" [replied]");
                 return;
         }
+
         if (n == -ENOMEM) {
                 _debug("oom");
                 rxrpc_kernel_abort_call(call->rxcall, RX_USER_ABORT);
         }
-        rxrpc_kernel_end_call(call->rxcall);
-        call->rxcall = NULL;
-        call->type->destructor(call);
-        afs_free_call(call);
+        afs_end_call(call);
         _leave(" [error]");
 }
 
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 2ad7de94efef..2f6d7b13b5bd 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3120,6 +3120,8 @@ process_slot:
                         } else if (type == BTRFS_FILE_EXTENT_INLINE) {
                                 u64 skip = 0;
                                 u64 trim = 0;
+                                u64 aligned_end = 0;
+
                                 if (off > key.offset) {
                                         skip = off - key.offset;
                                         new_key.offset += skip;
@@ -3136,9 +3138,11 @@ process_slot:
                                 size -= skip + trim;
                                 datal -= skip + trim;
 
+                                aligned_end = ALIGN(new_key.offset + datal,
+                                                    root->sectorsize);
                                 ret = btrfs_drop_extents(trans, root, inode,
                                                          new_key.offset,
-                                                         new_key.offset + datal,
+                                                         aligned_end,
                                                          1);
                                 if (ret) {
                                         if (ret != -EOPNOTSUPP)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index eb6537a08c1b..fd38b5053479 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1668,7 +1668,7 @@ static int get_first_ref(struct btrfs_root *root, u64 ino,
                 goto out;
         }
 
-        if (key.type == BTRFS_INODE_REF_KEY) {
+        if (found_key.type == BTRFS_INODE_REF_KEY) {
                 struct btrfs_inode_ref *iref;
                 iref = btrfs_item_ptr(path->nodes[0], path->slots[0],
                                       struct btrfs_inode_ref);
diff --git a/fs/dcache.c b/fs/dcache.c
index 42ae01eefc07..be2bea834bf4 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -441,42 +441,12 @@ void d_drop(struct dentry *dentry)
 }
 EXPORT_SYMBOL(d_drop);
 
-/*
- * Finish off a dentry we've decided to kill.
- * dentry->d_lock must be held, returns with it unlocked.
- * If ref is non-zero, then decrement the refcount too.
- * Returns dentry requiring refcount drop, or NULL if we're done.
- */
-static struct dentry *
-dentry_kill(struct dentry *dentry, int unlock_on_failure)
-        __releases(dentry->d_lock)
+static void __dentry_kill(struct dentry *dentry)
 {
-        struct inode *inode;
         struct dentry *parent = NULL;
         bool can_free = true;
-
-        if (unlikely(dentry->d_flags & DCACHE_DENTRY_KILLED)) {
-                can_free = dentry->d_flags & DCACHE_MAY_FREE;
-                spin_unlock(&dentry->d_lock);
-                goto out;
-        }
-
-        inode = dentry->d_inode;
-        if (inode && !spin_trylock(&inode->i_lock)) {
-relock:
-                if (unlock_on_failure) {
-                        spin_unlock(&dentry->d_lock);
-                        cpu_relax();
-                }
-                return dentry; /* try again with same dentry */
-        }
         if (!IS_ROOT(dentry))
                 parent = dentry->d_parent;
-        if (parent && !spin_trylock(&parent->d_lock)) {
-                if (inode)
-                        spin_unlock(&inode->i_lock);
-                goto relock;
-        }
 
         /*
          * The dentry is now unrecoverably dead to the world.
@@ -520,9 +490,72 @@ relock:
                 can_free = false;
         }
         spin_unlock(&dentry->d_lock);
-out:
         if (likely(can_free))
                 dentry_free(dentry);
+}
+
+/*
+ * Finish off a dentry we've decided to kill.
+ * dentry->d_lock must be held, returns with it unlocked.
+ * If ref is non-zero, then decrement the refcount too.
+ * Returns dentry requiring refcount drop, or NULL if we're done.
+ */
+static struct dentry *dentry_kill(struct dentry *dentry)
+        __releases(dentry->d_lock)
+{
+        struct inode *inode = dentry->d_inode;
+        struct dentry *parent = NULL;
+
+        if (inode && unlikely(!spin_trylock(&inode->i_lock)))
+                goto failed;
+
+        if (!IS_ROOT(dentry)) {
+                parent = dentry->d_parent;
+                if (unlikely(!spin_trylock(&parent->d_lock))) {
+                        if (inode)
+                                spin_unlock(&inode->i_lock);
+                        goto failed;
+                }
+        }
+
+        __dentry_kill(dentry);
+        return parent;
+
+failed:
+        spin_unlock(&dentry->d_lock);
+        cpu_relax();
+        return dentry; /* try again with same dentry */
+}
+
+static inline struct dentry *lock_parent(struct dentry *dentry)
+{
+        struct dentry *parent = dentry->d_parent;
+        if (IS_ROOT(dentry))
+                return NULL;
+        if (likely(spin_trylock(&parent->d_lock)))
+                return parent;
+        spin_unlock(&dentry->d_lock);
+        rcu_read_lock();
+again:
+        parent = ACCESS_ONCE(dentry->d_parent);
+        spin_lock(&parent->d_lock);
+        /*
+         * We can't blindly lock dentry until we are sure
+         * that we won't violate the locking order.
+         * Any changes of dentry->d_parent must have
+         * been done with parent->d_lock held, so
+         * spin_lock() above is enough of a barrier
+         * for checking if it's still our child.
+         */
+        if (unlikely(parent != dentry->d_parent)) {
+                spin_unlock(&parent->d_lock);
+                goto again;
+        }
+        rcu_read_unlock();
+        if (parent != dentry)
+                spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+        else
+                parent = NULL;
         return parent;
 }
 
@@ -579,7 +612,7 @@ repeat:
         return;
 
 kill_it:
-        dentry = dentry_kill(dentry, 1);
+        dentry = dentry_kill(dentry);
         if (dentry)
                 goto repeat;
 }
@@ -797,8 +830,11 @@ static void shrink_dentry_list(struct list_head *list)
         struct dentry *dentry, *parent;
 
         while (!list_empty(list)) {
+                struct inode *inode;
                 dentry = list_entry(list->prev, struct dentry, d_lru);
                 spin_lock(&dentry->d_lock);
+                parent = lock_parent(dentry);
+
                 /*
                  * The dispose list is isolated and dentries are not accounted
                  * to the LRU here, so we can simply remove it from the list
@@ -812,26 +848,33 @@ static void shrink_dentry_list(struct list_head *list)
                  */
                 if ((int)dentry->d_lockref.count > 0) {
                         spin_unlock(&dentry->d_lock);
+                        if (parent)
+                                spin_unlock(&parent->d_lock);
                         continue;
                 }
 
-                parent = dentry_kill(dentry, 0);
-                /*
-                 * If dentry_kill returns NULL, we have nothing more to do.
-                 */
-                if (!parent)
+
+                if (unlikely(dentry->d_flags & DCACHE_DENTRY_KILLED)) {
+                        bool can_free = dentry->d_flags & DCACHE_MAY_FREE;
+                        spin_unlock(&dentry->d_lock);
+                        if (parent)
+                                spin_unlock(&parent->d_lock);
+                        if (can_free)
+                                dentry_free(dentry);
                         continue;
+                }
 
-                if (unlikely(parent == dentry)) {
-                        /*
-                         * trylocks have failed and d_lock has been held the
-                         * whole time, so it could not have been added to any
-                         * other lists. Just add it back to the shrink list.
-                         */
+                inode = dentry->d_inode;
+                if (inode && unlikely(!spin_trylock(&inode->i_lock))) {
                         d_shrink_add(dentry, list);
                         spin_unlock(&dentry->d_lock);
+                        if (parent)
+                                spin_unlock(&parent->d_lock);
                         continue;
                 }
+
+                __dentry_kill(dentry);
+
                 /*
                  * We need to prune ancestors too. This is necessary to prevent
                  * quadratic behavior of shrink_dcache_parent(), but is also
@@ -839,8 +882,26 @@ static void shrink_dentry_list(struct list_head *list)
                  * fragmentation.
                  */
                 dentry = parent;
-                while (dentry && !lockref_put_or_lock(&dentry->d_lockref))
-                        dentry = dentry_kill(dentry, 1);
+                while (dentry && !lockref_put_or_lock(&dentry->d_lockref)) {
+                        parent = lock_parent(dentry);
+                        if (dentry->d_lockref.count != 1) {
+                                dentry->d_lockref.count--;
+                                spin_unlock(&dentry->d_lock);
+                                if (parent)
+                                        spin_unlock(&parent->d_lock);
+                                break;
+                        }
+                        inode = dentry->d_inode;        /* can't be NULL */
+                        if (unlikely(!spin_trylock(&inode->i_lock))) {
+                                spin_unlock(&dentry->d_lock);
+                                if (parent)
+                                        spin_unlock(&parent->d_lock);
+                                cpu_relax();
+                                continue;
+                        }
+                        __dentry_kill(dentry);
+                        dentry = parent;
+                }
         }
 }
 
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index e01ea4a14a01..5e9a80cfc3d8 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -610,6 +610,7 @@ static void kernfs_put_open_node(struct kernfs_node *kn,
 static int kernfs_fop_open(struct inode *inode, struct file *file)
 {
         struct kernfs_node *kn = file->f_path.dentry->d_fsdata;
+        struct kernfs_root *root = kernfs_root(kn);
         const struct kernfs_ops *ops;
         struct kernfs_open_file *of;
         bool has_read, has_write, has_mmap;
@@ -624,14 +625,16 @@ static int kernfs_fop_open(struct inode *inode, struct file *file)
         has_write = ops->write || ops->mmap;
         has_mmap = ops->mmap;
 
-        /* check perms and supported operations */
-        if ((file->f_mode & FMODE_WRITE) &&
-            (!(inode->i_mode & S_IWUGO) || !has_write))
-                goto err_out;
+        /* see the flag definition for details */
+        if (root->flags & KERNFS_ROOT_EXTRA_OPEN_PERM_CHECK) {
+                if ((file->f_mode & FMODE_WRITE) &&
+                    (!(inode->i_mode & S_IWUGO) || !has_write))
+                        goto err_out;
 
-        if ((file->f_mode & FMODE_READ) &&
-            (!(inode->i_mode & S_IRUGO) || !has_read))
-                goto err_out;
+                if ((file->f_mode & FMODE_READ) &&
+                    (!(inode->i_mode & S_IRUGO) || !has_read))
+                        goto err_out;
+        }
 
         /* allocate a kernfs_open_file for the file */
         error = -ENOMEM;
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c
index b6f46013dddf..f66c66b9f182 100644
--- a/fs/nfsd/nfs4acl.c
+++ b/fs/nfsd/nfs4acl.c
@@ -590,7 +590,7 @@ posix_state_to_acl(struct posix_acl_state *state, unsigned int flags)
                 add_to_mask(state, &state->groups->aces[i].perms);
         }
 
-        if (!state->users->n && !state->groups->n) {
+        if (state->users->n || state->groups->n) {
                 pace++;
                 pace->e_tag = ACL_MASK;
                 low_mode_from_nfs4(state->mask.allow, &pace->e_perm, flags);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 32b699bebb9c..9a77a5a21557 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3717,9 +3717,16 @@ out:
 static __be32
 nfsd4_free_lock_stateid(struct nfs4_ol_stateid *stp)
 {
-        if (check_for_locks(stp->st_file, lockowner(stp->st_stateowner)))
+        struct nfs4_lockowner *lo = lockowner(stp->st_stateowner);
+
+        if (check_for_locks(stp->st_file, lo))
                 return nfserr_locks_held;
-        release_lock_stateid(stp);
+        /*
+         * Currently there's a 1-1 lock stateid<->lockowner
+         * correspondance, and we have to delete the lockowner when we
+         * delete the lock stateid:
+         */
+        unhash_lockowner(lo);
         return nfs_ok;
 }
 
@@ -4159,6 +4166,10 @@ static bool same_lockowner_ino(struct nfs4_lockowner *lo, struct inode *inode, c
 
         if (!same_owner_str(&lo->lo_owner, owner, clid))
                 return false;
+        if (list_empty(&lo->lo_owner.so_stateids)) {
+                WARN_ON_ONCE(1);
+                return false;
+        }
         lst = list_first_entry(&lo->lo_owner.so_stateids,
                                struct nfs4_ol_stateid, st_perstateowner);
         return lst->st_file->fi_inode == inode;
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index af3f7aa73e13..ee1f88419cb0 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -472,11 +472,15 @@ bail:
 
 void dlm_destroy_master_caches(void)
 {
-        if (dlm_lockname_cache)
+        if (dlm_lockname_cache) {
                 kmem_cache_destroy(dlm_lockname_cache);
+                dlm_lockname_cache = NULL;
+        }
 
-        if (dlm_lockres_cache)
+        if (dlm_lockres_cache) {
                 kmem_cache_destroy(dlm_lockres_cache);
+                dlm_lockres_cache = NULL;
+        }
 }
 
 static void dlm_lockres_release(struct kref *kref)
diff --git a/fs/splice.c b/fs/splice.c
index 9bc07d2b53cf..e246954ea48c 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1537,7 +1537,7 @@ static long vmsplice_to_user(struct file *file, const struct iovec __user *uiov,
         struct iovec iovstack[UIO_FASTIOV];
         struct iovec *iov = iovstack;
         struct iov_iter iter;
-        ssize_t count = 0;
+        ssize_t count;
 
         pipe = get_pipe_info(file);
         if (!pipe)
@@ -1546,8 +1546,9 @@ static long vmsplice_to_user(struct file *file, const struct iovec __user *uiov,
         ret = rw_copy_check_uvector(READ, uiov, nr_segs,
                                     ARRAY_SIZE(iovstack), iovstack, &iov);
         if (ret <= 0)
-                return ret;
+                goto out;
 
+        count = ret;
         iov_iter_init(&iter, iov, nr_segs, count, 0);
 
         sd.len = 0;
@@ -1560,6 +1561,7 @@ static long vmsplice_to_user(struct file *file, const struct iovec __user *uiov,
         ret = __splice_from_pipe(pipe, &sd, pipe_to_user);
         pipe_unlock(pipe);
 
+out:
         if (iov != iovstack)
                 kfree(iov);
 
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 28cc1acd5439..e9ef59b3abb1 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -47,12 +47,13 @@ static int sysfs_kf_seq_show(struct seq_file *sf, void *v)
         ssize_t count;
         char *buf;
 
-        /* acquire buffer and ensure that it's >= PAGE_SIZE */
+        /* acquire buffer and ensure that it's >= PAGE_SIZE and clear */
         count = seq_get_buf(sf, &buf);
         if (count < PAGE_SIZE) {
                 seq_commit(sf, -1);
                 return 0;
         }
+        memset(buf, 0, PAGE_SIZE);
 
         /*
          * Invoke show().  Control may reach here via seq file lseek even
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index a66ad6196f59..8794423f7efb 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -63,7 +63,8 @@ int __init sysfs_init(void)
 {
         int err;
 
-        sysfs_root = kernfs_create_root(NULL, 0, NULL);
+        sysfs_root = kernfs_create_root(NULL, KERNFS_ROOT_EXTRA_OPEN_PERM_CHECK,
+                                        NULL);
         if (IS_ERR(sysfs_root))
                 return PTR_ERR(sysfs_root);
 
diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index 1399e187d425..753e467aa1a5 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -237,7 +237,7 @@ xfs_fs_nfs_commit_metadata(
 
         if (!lsn)
                 return 0;
-        return _xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL);
+        return -_xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL);
 }
 
 const struct export_operations xfs_export_operations = {
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 951a2321ee01..830c1c937b88 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -155,7 +155,7 @@ xfs_dir_fsync(
 
         if (!lsn)
                 return 0;
-        return _xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL);
+        return -_xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL);
 }
 
 STATIC int
@@ -295,7 +295,7 @@ xfs_file_aio_read(
                 xfs_rw_ilock(ip, XFS_IOLOCK_EXCL);
 
                 if (inode->i_mapping->nrpages) {
-                        ret = -filemap_write_and_wait_range(
+                        ret = filemap_write_and_wait_range(
                                                         VFS_I(ip)->i_mapping,
                                                         pos, -1);
                         if (ret) {
@@ -837,7 +837,7 @@ xfs_file_fallocate(
                 unsigned blksize_mask = (1 << inode->i_blkbits) - 1;
 
                 if (offset & blksize_mask || len & blksize_mask) {
-                        error = -EINVAL;
+                        error = EINVAL;
                         goto out_unlock;
                 }
 
@@ -846,7 +846,7 @@ xfs_file_fallocate(
                  * in which case it is effectively a truncate operation
                  */
                 if (offset + len >= i_size_read(inode)) {
-                        error = -EINVAL;
+                        error = EINVAL;
                         goto out_unlock;
                 }
 
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 301ecbfcc0be..36d630319a27 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -72,8 +72,8 @@ xfs_initxattrs(
         int                     error = 0;
 
         for (xattr = xattr_array; xattr->name != NULL; xattr++) {
-                error = xfs_attr_set(ip, xattr->name, xattr->value,
-                                     xattr->value_len, ATTR_SECURE);
+                error = -xfs_attr_set(ip, xattr->name, xattr->value,
+                                      xattr->value_len, ATTR_SECURE);
                 if (error < 0)
                         break;
         }
@@ -93,8 +93,8 @@ xfs_init_security(
         struct inode    *dir,
         const struct qstr *qstr)
 {
-        return security_inode_init_security(inode, dir, qstr,
-                                            &xfs_initxattrs, NULL);
+        return -security_inode_init_security(inode, dir, qstr,
+                                             &xfs_initxattrs, NULL);
 }
 
 static void
@@ -173,12 +173,12 @@ xfs_generic_create(
 
 #ifdef CONFIG_XFS_POSIX_ACL
         if (default_acl) {
-                error = xfs_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
+                error = -xfs_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
                 if (error)
                         goto out_cleanup_inode;
         }
         if (acl) {
-                error = xfs_set_acl(inode, acl, ACL_TYPE_ACCESS);
+                error = -xfs_set_acl(inode, acl, ACL_TYPE_ACCESS);
                 if (error)
                         goto out_cleanup_inode;
         }
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 348e4d2ed6e6..dc977b6e6a36 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -843,22 +843,17 @@ xfs_qm_init_quotainfo(
 
         qinf = mp->m_quotainfo = kmem_zalloc(sizeof(xfs_quotainfo_t), KM_SLEEP);
 
-        if ((error = list_lru_init(&qinf->qi_lru))) {
-                kmem_free(qinf);
-                mp->m_quotainfo = NULL;
-                return error;
-        }
+        error = -list_lru_init(&qinf->qi_lru);
+        if (error)
+                goto out_free_qinf;
 
         /*
          * See if quotainodes are setup, and if not, allocate them,
          * and change the superblock accordingly.
          */
-        if ((error = xfs_qm_init_quotainos(mp))) {
-                list_lru_destroy(&qinf->qi_lru);
-                kmem_free(qinf);
-                mp->m_quotainfo = NULL;
-                return error;
-        }
+        error = xfs_qm_init_quotainos(mp);
+        if (error)
+                goto out_free_lru;
 
         INIT_RADIX_TREE(&qinf->qi_uquota_tree, GFP_NOFS);
         INIT_RADIX_TREE(&qinf->qi_gquota_tree, GFP_NOFS);
@@ -918,7 +913,7 @@ xfs_qm_init_quotainfo(
                 qinf->qi_isoftlimit = be64_to_cpu(ddqp->d_ino_softlimit);
                 qinf->qi_rtbhardlimit = be64_to_cpu(ddqp->d_rtb_hardlimit);
                 qinf->qi_rtbsoftlimit = be64_to_cpu(ddqp->d_rtb_softlimit);
- 
+
                 xfs_qm_dqdestroy(dqp);
         } else {
                 qinf->qi_btimelimit = XFS_QM_BTIMELIMIT;
@@ -935,6 +930,13 @@ xfs_qm_init_quotainfo(
         qinf->qi_shrinker.flags = SHRINKER_NUMA_AWARE;
         register_shrinker(&qinf->qi_shrinker);
         return 0;
+
+out_free_lru:
+        list_lru_destroy(&qinf->qi_lru);
+out_free_qinf:
+        kmem_free(qinf);
+        mp->m_quotainfo = NULL;
+        return error;
 }
 
 
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 205376776377..3494eff8e4eb 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1433,11 +1433,11 @@ xfs_fs_fill_super(
         if (error)
                 goto out_free_fsname;
 
-        error = xfs_init_mount_workqueues(mp);
+        error = -xfs_init_mount_workqueues(mp);
         if (error)
                 goto out_close_devices;
 
-        error = xfs_icsb_init_counters(mp);
+        error = -xfs_icsb_init_counters(mp);
         if (error)
                 goto out_destroy_workqueues;
 
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 63b5eff0a80f..fdd7e1b61f60 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -47,6 +47,7 @@ struct amba_driver {
 enum amba_vendor {
         AMBA_VENDOR_ARM = 0x41,
         AMBA_VENDOR_ST = 0x80,
+        AMBA_VENDOR_QCOM = 0x51,
 };
 
 extern struct bus_type amba_bustype;
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c2515851c1aa..d60904b9e505 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -473,6 +473,7 @@ struct cftype {
 };
 
 extern struct cgroup_root cgrp_dfl_root;
+extern struct css_set init_css_set;
 
 static inline bool cgroup_on_dfl(const struct cgroup *cgrp)
 {
@@ -700,6 +701,20 @@ static inline struct cgroup_subsys_state *task_css(struct task_struct *task,
         return task_css_check(task, subsys_id, false);
 }
 
+/**
+ * task_css_is_root - test whether a task belongs to the root css
+ * @task: the target task
+ * @subsys_id: the target subsystem ID
+ *
+ * Test whether @task belongs to the root css on the specified subsystem.
+ * May be invoked in any context.
+ */
+static inline bool task_css_is_root(struct task_struct *task, int subsys_id)
+{
+        return task_css_check(task, subsys_id, true) ==
+                init_css_set.subsys[subsys_id];
+}
+
 static inline struct cgroup *task_cgroup(struct task_struct *task,
                                          int subsys_id)
 {
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 8300fb87b84a..72cb0ddb9678 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -429,6 +429,7 @@ typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param);
 typedef void (*dma_async_tx_callback)(void *dma_async_param);
 
 struct dmaengine_unmap_data {
+        u8 map_cnt;
         u8 to_cnt;
         u8 from_cnt;
         u8 bidi_cnt;
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 7c8b20b120ea..a9a53b12397b 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -56,6 +56,7 @@ struct macvlan_dev {
         int                     numqueues;
         netdev_features_t       tap_features;
         int                     minor;
+        int                     nest_level;
 };
 
 static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 13bbbde00e68..b2acc4a1b13c 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
 /* found in socket.c */
 extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
 
-static inline int is_vlan_dev(struct net_device *dev)
+static inline bool is_vlan_dev(struct net_device *dev)
 {
         return dev->priv_flags & IFF_802_1Q_VLAN;
 }
@@ -159,6 +159,7 @@ struct vlan_dev_priv {
 #ifdef CONFIG_NET_POLL_CONTROLLER
         struct netpoll                          *netpoll;
 #endif
+        unsigned int                            nest_level;
 };
 
 static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev)
@@ -197,6 +198,12 @@ extern void vlan_vids_del_by_dev(struct net_device *dev,
                                  const struct net_device *by_dev);
 
 extern bool vlan_uses_dev(const struct net_device *dev);
+
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+        BUG_ON(!is_vlan_dev(dev));
+        return vlan_dev_priv(dev)->nest_level;
+}
 #else
 static inline struct net_device *
 __vlan_find_dev_deep(struct net_device *real_dev,
@@ -263,6 +270,11 @@ static inline bool vlan_uses_dev(const struct net_device *dev)
 {
         return false;
 }
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+        BUG();
+        return 0;
+}
 #endif
 
 static inline bool vlan_hw_offload_capable(netdev_features_t features,
@@ -483,4 +495,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
                  */
                 skb->protocol = htons(ETH_P_802_2);
 }
+
 #endif /* !(_LINUX_IF_VLAN_H_) */
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index b0122dc6f96a..ca1be5c9136c 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -50,7 +50,24 @@ enum kernfs_node_flag {
 
 /* @flags for kernfs_create_root() */
 enum kernfs_root_flag {
-        KERNFS_ROOT_CREATE_DEACTIVATED = 0x0001,
+        /*
+         * kernfs_nodes are created in the deactivated state and invisible.
+         * They require explicit kernfs_activate() to become visible.  This
+         * can be used to make related nodes become visible atomically
+         * after all nodes are created successfully.
+         */
+        KERNFS_ROOT_CREATE_DEACTIVATED          = 0x0001,
+
+        /*
+         * For regular flies, if the opener has CAP_DAC_OVERRIDE, open(2)
+         * succeeds regardless of the RW permissions.  sysfs had an extra
+         * layer of enforcement where open(2) fails with -EACCES regardless
+         * of CAP_DAC_OVERRIDE if the permission doesn't have the
+         * respective read or write access at all (none of S_IRUGO or
+         * S_IWUGO) or the respective operation isn't implemented.  The
+         * following flag enables that behavior.
+         */
+        KERNFS_ROOT_EXTRA_OPEN_PERM_CHECK       = 0x0002,
 };
 
 /* type-specific structures for kernfs_node union members */
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index b66e7610d4ee..7040dc98ff8b 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -421,6 +421,17 @@ struct mlx4_wqe_inline_seg {
         __be32                  byte_count;
 };
 
+enum mlx4_update_qp_attr {
+        MLX4_UPDATE_QP_SMAC             = 1 << 0,
+};
+
+struct mlx4_update_qp_params {
+        u8      smac_index;
+};
+
+int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp,
+                   enum mlx4_update_qp_attr attr,
+                   struct mlx4_update_qp_params *params);
 int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
                    enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
                    struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
diff --git a/include/linux/net.h b/include/linux/net.h
index 94734a6259a4..17d83393afcc 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -248,24 +248,17 @@ do {								\
 bool __net_get_random_once(void *buf, int nbytes, bool *done,
                            struct static_key *done_key);
 
-#ifdef HAVE_JUMP_LABEL
-#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \
-                { .enabled = ATOMIC_INIT(0), .entries = (void *)1 })
-#else /* !HAVE_JUMP_LABEL */
-#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
-#endif /* HAVE_JUMP_LABEL */
-
 #define net_get_random_once(buf, nbytes)                                \
         ({                                                              \
                 bool ___ret = false;                                    \
                 static bool ___done = false;                            \
-                static struct static_key ___done_key =                  \
-                        ___NET_RANDOM_STATIC_KEY_INIT;                  \
-                if (!static_key_true(&___done_key))                     \
+                static struct static_key ___once_key =                  \
+                        STATIC_KEY_INIT_TRUE;                           \
+                if (static_key_true(&___once_key))                      \
                         ___ret = __net_get_random_once(buf,             \
                                                        nbytes,          \
                                                        &___done,        \
-                                                       &___done_key);   \
+                                                       &___once_key);   \
                 ___ret;                                                 \
         })
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7ed3a3aa6604..b42d07b0390b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1144,6 +1144,7 @@ struct net_device_ops {
         netdev_tx_t             (*ndo_dfwd_start_xmit) (struct sk_buff *skb,
                                                         struct net_device *dev,
                                                         void *priv);
+        int                     (*ndo_get_lock_subclass)(struct net_device *dev);
 };
 
 /**
@@ -2950,7 +2951,12 @@ static inline void netif_addr_lock(struct net_device *dev)
 
 static inline void netif_addr_lock_nested(struct net_device *dev)
 {
-        spin_lock_nested(&dev->addr_list_lock, SINGLE_DEPTH_NESTING);
+        int subclass = SINGLE_DEPTH_NESTING;
+
+        if (dev->netdev_ops->ndo_get_lock_subclass)
+                subclass = dev->netdev_ops->ndo_get_lock_subclass(dev);
+
+        spin_lock_nested(&dev->addr_list_lock, subclass);
 }
 
 static inline void netif_addr_lock_bh(struct net_device *dev)
@@ -3050,10 +3056,19 @@ extern int		weight_p;
 extern int              bpf_jit_enable;
 
 bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev);
+struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
+                                                     struct list_head **iter);
 struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
                                                      struct list_head **iter);
 
 /* iterate through upper list, must be called under RCU read lock */
+#define netdev_for_each_upper_dev_rcu(dev, updev, iter) \
+        for (iter = &(dev)->adj_list.upper, \
+             updev = netdev_upper_get_next_dev_rcu(dev, &(iter)); \
+             updev; \
+             updev = netdev_upper_get_next_dev_rcu(dev, &(iter)))
+
+/* iterate through upper list, must be called under RCU read lock */
 #define netdev_for_each_all_upper_dev_rcu(dev, updev, iter) \
         for (iter = &(dev)->all_adj_list.upper, \
              updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter)); \
@@ -3077,6 +3092,14 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
              priv; \
              priv = netdev_lower_get_next_private_rcu(dev, &(iter)))
 
+void *netdev_lower_get_next(struct net_device *dev,
+                                struct list_head **iter);
+#define netdev_for_each_lower_dev(dev, ldev, iter) \
+        for (iter = &(dev)->adj_list.lower, \
+             ldev = netdev_lower_get_next(dev, &(iter)); \
+             ldev; \
+             ldev = netdev_lower_get_next(dev, &(iter)))
+
 void *netdev_adjacent_get_private(struct list_head *adj_list);
 void *netdev_lower_get_first_private_rcu(struct net_device *dev);
 struct net_device *netdev_master_upper_dev_get(struct net_device *dev);
@@ -3092,6 +3115,8 @@ void netdev_upper_dev_unlink(struct net_device *dev,
 void netdev_adjacent_rename_links(struct net_device *dev, char *oldname);
 void *netdev_lower_dev_get_private(struct net_device *dev,
                                    struct net_device *lower_dev);
+int dev_get_nest_level(struct net_device *dev,
+                       bool (*type_check)(struct net_device *dev));
 int skb_checksum_help(struct sk_buff *skb);
 struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
                                   netdev_features_t features, bool tx_path);
@@ -3180,12 +3205,7 @@ void netdev_change_features(struct net_device *dev);
 void netif_stacked_transfer_operstate(const struct net_device *rootdev,
                                         struct net_device *dev);
 
-netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
-                                         const struct net_device *dev);
-static inline netdev_features_t netif_skb_features(struct sk_buff *skb)
-{
-        return netif_skb_dev_features(skb, skb->dev);
-}
+netdev_features_t netif_skb_features(struct sk_buff *skb);
 
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 {
diff --git a/include/linux/of.h b/include/linux/of.h
index 3bad8d106e0e..e6f0988c1c68 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -349,7 +349,7 @@ int of_device_is_stdout_path(struct device_node *dn);
 
 #else /* CONFIG_OF */
 
-static inline const char* of_node_full_name(struct device_node *np)
+static inline const char* of_node_full_name(const struct device_node *np)
 {
         return "<no-node>";
 }
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 6fe8464ed767..881a7c3571f4 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -31,7 +31,12 @@ extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
 #else /* CONFIG_OF */
 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 {
-        return -ENOSYS;
+        /*
+         * Fall back to the non-DT function to register a bus.
+         * This way, we don't have to keep compat bits around in drivers.
+         */
+
+        return mdiobus_register(mdio);
 }
 
 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index 41a13e70f41f..7944cdc27bed 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -10,7 +10,7 @@
 
 struct dma_chan;
 
-#if defined(CONFIG_DMA_OMAP) || defined(CONFIG_DMA_OMAP_MODULE)
+#if defined(CONFIG_DMA_OMAP) || (defined(CONFIG_DMA_OMAP_MODULE) && defined(MODULE))
 bool omap_dma_filter_fn(struct dma_chan *, void *);
 #else
 static inline bool omap_dma_filter_fn(struct dma_chan *c, void *d)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 3356abcfff18..3ef6ea12806a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -402,6 +402,8 @@ struct perf_event {
 
         struct ring_buffer              *rb;
         struct list_head                rb_entry;
+        unsigned long                   rcu_batches;
+        int                             rcu_pending;
 
         /* poll related */
         wait_queue_head_t               waitq;
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 8e3e66ac0a52..953937ea5233 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -4,6 +4,7 @@
 
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
+#include <linux/wait.h>
 #include <uapi/linux/rtnetlink.h>
 
 extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
@@ -22,6 +23,10 @@ extern void rtnl_lock(void);
 extern void rtnl_unlock(void);
 extern int rtnl_trylock(void);
 extern int rtnl_is_locked(void);
+
+extern wait_queue_head_t netdev_unregistering_wq;
+extern struct mutex net_mutex;
+
 #ifdef CONFIG_PROVE_LOCKING
 extern int lockdep_rtnl_is_held(void);
 #else
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 25f54c79f757..221b2bde3723 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -220,7 +220,7 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq);
 #define TASK_PARKED             512
 #define TASK_STATE_MAX          1024
 
-#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP"
+#define TASK_STATE_TO_CHAR_STR "RSDTtXZxKWP"
 
 extern char ___assert_task_state[1 - 2*!!(
                 sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)];
@@ -1153,9 +1153,12 @@ struct sched_dl_entity {
          *
          * @dl_boosted tells if we are boosted due to DI. If so we are
          * outside bandwidth enforcement mechanism (but only until we
-         * exit the critical section).
+         * exit the critical section);
+         *
+         * @dl_yielded tells if task gave up the cpu before consuming
+         * all its available runtime during the last job.
          */
-        int dl_throttled, dl_new, dl_boosted;
+        int dl_throttled, dl_new, dl_boosted, dl_yielded;
 
         /*
          * Bandwidth enforcement timer. Each -deadline task has its
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f3539a15c411..f856e5a746fa 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3669,6 +3669,18 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy);
 void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
 
 /**
+ * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
+ *
+ * @wiphy: the wiphy on which the scheduled scan stopped
+ *
+ * The driver can call this function to inform cfg80211 that the
+ * scheduled scan had to be stopped, for whatever reason.  The driver
+ * is then called back via the sched_scan_stop operation when done.
+ * This function should be called with rtnl locked.
+ */
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
+
+/**
  * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
  *
  * @wiphy: the wiphy reporting the BSS
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 6c4f5eac98e7..216cecce65e9 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -127,6 +127,7 @@ int rt6_dump_route(struct rt6_info *rt, void *p_arg);
 void rt6_ifdown(struct net *net, struct net_device *dev);
 void rt6_mtu_change(struct net_device *dev, unsigned int mtu);
 void rt6_remove_prefsrc(struct inet6_ifaddr *ifp);
+void rt6_clean_tohost(struct net *net, struct in6_addr *gateway);
 
 
 /*
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 80f500a29498..b2704fd0ec80 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -20,6 +20,11 @@ struct local_ports {
         int             range[2];
 };
 
+struct ping_group_range {
+        seqlock_t       lock;
+        kgid_t          range[2];
+};
+
 struct netns_ipv4 {
 #ifdef CONFIG_SYSCTL
         struct ctl_table_header *forw_hdr;
@@ -66,13 +71,13 @@ struct netns_ipv4 {
         int sysctl_icmp_ratemask;
         int sysctl_icmp_errors_use_inbound_ifaddr;
 
-        struct local_ports sysctl_local_ports;
+        struct local_ports ip_local_ports;
 
         int sysctl_tcp_ecn;
         int sysctl_ip_no_pmtu_disc;
         int sysctl_ip_fwd_use_pmtu;
 
-        kgid_t sysctl_ping_group_range[2];
+        struct ping_group_range ping_group_range;
 
         atomic_t dev_addr_genid;
 
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 6db66783d268..333640608087 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -697,9 +697,11 @@ __SYSCALL(__NR_finit_module, sys_finit_module)
 __SYSCALL(__NR_sched_setattr, sys_sched_setattr)
 #define __NR_sched_getattr 275
 __SYSCALL(__NR_sched_getattr, sys_sched_getattr)
+#define __NR_renameat2 276
+__SYSCALL(__NR_renameat2, sys_renameat2)
 
 #undef __NR_syscalls
-#define __NR_syscalls 276
+#define __NR_syscalls 277
 
 /*
  * All syscalls below here should go away really,
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 1ba9d626aa83..194c1eab04d8 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -3856,6 +3856,8 @@ enum nl80211_ap_sme_features {
  * @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
  *      to work properly to suppport receiving regulatory hints from
  *      cellular base stations.
+ * @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: (no longer available, only
+ *      here to reserve the value for API/ABI compatibility)
  * @NL80211_FEATURE_SAE: This driver supports simultaneous authentication of
  *      equals (SAE) with user space SME (NL80211_CMD_AUTHENTICATE) in station
  *      mode
@@ -3897,7 +3899,7 @@ enum nl80211_feature_flags {
         NL80211_FEATURE_HT_IBSS                         = 1 << 1,
         NL80211_FEATURE_INACTIVITY_TIMER                = 1 << 2,
         NL80211_FEATURE_CELL_BASE_REG_HINTS             = 1 << 3,
-        /* bit 4 is reserved - don't use */
+        NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL        = 1 << 4,
         NL80211_FEATURE_SAE                             = 1 << 5,
         NL80211_FEATURE_LOW_PRIORITY_SCAN               = 1 << 6,
         NL80211_FEATURE_SCAN_FLUSH                      = 1 << 7,
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 11a03d67635a..3f1ca934a237 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -348,7 +348,7 @@ struct cgrp_cset_link {
  * reference-counted, to improve performance when child cgroups
  * haven't been created.
  */
-static struct css_set init_css_set = {
+struct css_set init_css_set = {
         .refcount               = ATOMIC_INIT(1),
         .cgrp_links             = LIST_HEAD_INIT(init_css_set.cgrp_links),
         .tasks                  = LIST_HEAD_INIT(init_css_set.tasks),
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 2bc4a2256444..345628c78b5b 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -21,6 +21,7 @@
 #include <linux/uaccess.h>
 #include <linux/freezer.h>
 #include <linux/seq_file.h>
+#include <linux/mutex.h>
 
 /*
  * A cgroup is freezing if any FREEZING flags are set.  FREEZING_SELF is
@@ -42,9 +43,10 @@ enum freezer_state_flags {
 struct freezer {
         struct cgroup_subsys_state      css;
         unsigned int                    state;
-        spinlock_t                      lock;
 };
 
+static DEFINE_MUTEX(freezer_mutex);
+
 static inline struct freezer *css_freezer(struct cgroup_subsys_state *css)
 {
         return css ? container_of(css, struct freezer, css) : NULL;
@@ -93,7 +95,6 @@ freezer_css_alloc(struct cgroup_subsys_state *parent_css)
         if (!freezer)
                 return ERR_PTR(-ENOMEM);
 
-        spin_lock_init(&freezer->lock);
         return &freezer->css;
 }
 
@@ -110,14 +111,7 @@ static int freezer_css_online(struct cgroup_subsys_state *css)
         struct freezer *freezer = css_freezer(css);
         struct freezer *parent = parent_freezer(freezer);
 
-        /*
-         * The following double locking and freezing state inheritance
-         * guarantee that @cgroup can never escape ancestors' freezing
-         * states.  See css_for_each_descendant_pre() for details.
-         */
-        if (parent)
-                spin_lock_irq(&parent->lock);
-        spin_lock_nested(&freezer->lock, SINGLE_DEPTH_NESTING);
+        mutex_lock(&freezer_mutex);
 
         freezer->state |= CGROUP_FREEZER_ONLINE;
 
@@ -126,10 +120,7 @@ static int freezer_css_online(struct cgroup_subsys_state *css)
                 atomic_inc(&system_freezing_cnt);
         }
 
-        spin_unlock(&freezer->lock);
-        if (parent)
-                spin_unlock_irq(&parent->lock);
-
+        mutex_unlock(&freezer_mutex);
         return 0;
 }
 
@@ -144,14 +135,14 @@ static void freezer_css_offline(struct cgroup_subsys_state *css)
 {
         struct freezer *freezer = css_freezer(css);
 
-        spin_lock_irq(&freezer->lock);
+        mutex_lock(&freezer_mutex);
 
         if (freezer->state & CGROUP_FREEZING)
                 atomic_dec(&system_freezing_cnt);
 
         freezer->state = 0;
 
-        spin_unlock_irq(&freezer->lock);
+        mutex_unlock(&freezer_mutex);
 }
 
 static void freezer_css_free(struct cgroup_subsys_state *css)
@@ -175,7 +166,7 @@ static void freezer_attach(struct cgroup_subsys_state *new_css,
         struct task_struct *task;
         bool clear_frozen = false;
 
-        spin_lock_irq(&freezer->lock);
+        mutex_lock(&freezer_mutex);
 
         /*
          * Make the new tasks conform to the current state of @new_css.
@@ -197,21 +188,13 @@ static void freezer_attach(struct cgroup_subsys_state *new_css,
                 }
         }
 
-        spin_unlock_irq(&freezer->lock);
-
-        /*
-         * Propagate FROZEN clearing upwards.  We may race with
-         * update_if_frozen(), but as long as both work bottom-up, either
-         * update_if_frozen() sees child's FROZEN cleared or we clear the
-         * parent's FROZEN later.  No parent w/ !FROZEN children can be
-         * left FROZEN.
-         */
+        /* propagate FROZEN clearing upwards */
         while (clear_frozen && (freezer = parent_freezer(freezer))) {
-                spin_lock_irq(&freezer->lock);
                 freezer->state &= ~CGROUP_FROZEN;
                 clear_frozen = freezer->state & CGROUP_FREEZING;
-                spin_unlock_irq(&freezer->lock);
         }
+
+        mutex_unlock(&freezer_mutex);
 }
 
 /**
@@ -228,9 +211,6 @@ static void freezer_fork(struct task_struct *task)
 {
         struct freezer *freezer;
 
-        rcu_read_lock();
-        freezer = task_freezer(task);
-
         /*
          * The root cgroup is non-freezable, so we can skip locking the
          * freezer.  This is safe regardless of race with task migration.
@@ -238,24 +218,18 @@ static void freezer_fork(struct task_struct *task)
          * to do.  If we lost and root is the new cgroup, noop is still the
          * right thing to do.
          */
-        if (!parent_freezer(freezer))
-                goto out;
+        if (task_css_is_root(task, freezer_cgrp_id))
+                return;
 
-        /*
-         * Grab @freezer->lock and freeze @task after verifying @task still
-         * belongs to @freezer and it's freezing.  The former is for the
-         * case where we have raced against task migration and lost and
-         * @task is already in a different cgroup which may not be frozen.
-         * This isn't strictly necessary as freeze_task() is allowed to be
-         * called spuriously but let's do it anyway for, if nothing else,
-         * documentation.
-         */
-        spin_lock_irq(&freezer->lock);
-        if (freezer == task_freezer(task) && (freezer->state & CGROUP_FREEZING))
+        mutex_lock(&freezer_mutex);
+        rcu_read_lock();
+
+        freezer = task_freezer(task);
+        if (freezer->state & CGROUP_FREEZING)
                 freeze_task(task);
-        spin_unlock_irq(&freezer->lock);
-out:
+
         rcu_read_unlock();
+        mutex_unlock(&freezer_mutex);
 }
 
 /**
@@ -281,22 +255,24 @@ static void update_if_frozen(struct cgroup_subsys_state *css)
         struct css_task_iter it;
         struct task_struct *task;
 
-        WARN_ON_ONCE(!rcu_read_lock_held());
-
-        spin_lock_irq(&freezer->lock);
+        lockdep_assert_held(&freezer_mutex);
 
         if (!(freezer->state & CGROUP_FREEZING) ||
             (freezer->state & CGROUP_FROZEN))
-                goto out_unlock;
+                return;
 
         /* are all (live) children frozen? */
+        rcu_read_lock();
         css_for_each_child(pos, css) {
                 struct freezer *child = css_freezer(pos);
 
                 if ((child->state & CGROUP_FREEZER_ONLINE) &&
-                    !(child->state & CGROUP_FROZEN))
-                        goto out_unlock;
+                    !(child->state & CGROUP_FROZEN)) {
+                        rcu_read_unlock();
+                        return;
+                }
         }
+        rcu_read_unlock();
 
         /* are all tasks frozen? */
         css_task_iter_start(css, &it);
@@ -317,21 +293,29 @@ static void update_if_frozen(struct cgroup_subsys_state *css)
         freezer->state |= CGROUP_FROZEN;
 out_iter_end:
         css_task_iter_end(&it);
-out_unlock:
-        spin_unlock_irq(&freezer->lock);
 }
 
 static int freezer_read(struct seq_file *m, void *v)
 {
         struct cgroup_subsys_state *css = seq_css(m), *pos;
 
+        mutex_lock(&freezer_mutex);
         rcu_read_lock();
 
         /* update states bottom-up */
-        css_for_each_descendant_post(pos, css)
+        css_for_each_descendant_post(pos, css) {
+                if (!css_tryget(pos))
+                        continue;
+                rcu_read_unlock();
+
                 update_if_frozen(pos);
 
+                rcu_read_lock();
+                css_put(pos);
+        }
+
         rcu_read_unlock();
+        mutex_unlock(&freezer_mutex);
 
         seq_puts(m, freezer_state_strs(css_freezer(css)->state));
         seq_putc(m, '\n');
@@ -373,7 +357,7 @@ static void freezer_apply_state(struct freezer *freezer, bool freeze,
                                 unsigned int state)
 {
         /* also synchronizes against task migration, see freezer_attach() */
-        lockdep_assert_held(&freezer->lock);
+        lockdep_assert_held(&freezer_mutex);
 
         if (!(freezer->state & CGROUP_FREEZER_ONLINE))
                 return;
@@ -414,31 +398,29 @@ static void freezer_change_state(struct freezer *freezer, bool freeze)
          * descendant will try to inherit its parent's FREEZING state as
          * CGROUP_FREEZING_PARENT.
          */
+        mutex_lock(&freezer_mutex);
         rcu_read_lock();
         css_for_each_descendant_pre(pos, &freezer->css) {
                 struct freezer *pos_f = css_freezer(pos);
                 struct freezer *parent = parent_freezer(pos_f);
 
-                spin_lock_irq(&pos_f->lock);
+                if (!css_tryget(pos))
+                        continue;
+                rcu_read_unlock();
 
-                if (pos_f == freezer) {
+                if (pos_f == freezer)
                         freezer_apply_state(pos_f, freeze,
                                             CGROUP_FREEZING_SELF);
-                } else {
-                        /*
-                         * Our update to @parent->state is already visible
-                         * which is all we need.  No need to lock @parent.
-                         * For more info on synchronization, see
-                         * freezer_post_create().
-                         */
+                else
                         freezer_apply_state(pos_f,
                                             parent->state & CGROUP_FREEZING,
                                             CGROUP_FREEZING_PARENT);
-                }
 
-                spin_unlock_irq(&pos_f->lock);
+                rcu_read_lock();
+                css_put(pos);
         }
         rcu_read_unlock();
+        mutex_unlock(&freezer_mutex);
 }
 
 static int freezer_write(struct cgroup_subsys_state *css, struct cftype *cft,
diff --git a/kernel/cpu.c b/kernel/cpu.c
index a9e710eef0e2..247979a1b815 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -726,10 +726,12 @@ void set_cpu_present(unsigned int cpu, bool present)
 
 void set_cpu_online(unsigned int cpu, bool online)
 {
-        if (online)
+        if (online) {
                 cpumask_set_cpu(cpu, to_cpumask(cpu_online_bits));
-        else
+                cpumask_set_cpu(cpu, to_cpumask(cpu_active_bits));
+        } else {
                 cpumask_clear_cpu(cpu, to_cpumask(cpu_online_bits));
+        }
 }
 
 void set_cpu_active(unsigned int cpu, bool active)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f83a71a3e46d..440eefc67397 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1443,6 +1443,11 @@ group_sched_out(struct perf_event *group_event,
                 cpuctx->exclusive = 0;
 }
 
+struct remove_event {
+        struct perf_event *event;
+        bool detach_group;
+};
+
 /*
  * Cross CPU call to remove a performance event
  *
@@ -1451,12 +1456,15 @@ group_sched_out(struct perf_event *group_event,
  */
 static int __perf_remove_from_context(void *info)
 {
-        struct perf_event *event = info;
+        struct remove_event *re = info;
+        struct perf_event *event = re->event;
         struct perf_event_context *ctx = event->ctx;
         struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
 
         raw_spin_lock(&ctx->lock);
         event_sched_out(event, cpuctx, ctx);
+        if (re->detach_group)
+                perf_group_detach(event);
         list_del_event(event, ctx);
         if (!ctx->nr_events && cpuctx->task_ctx == ctx) {
                 ctx->is_active = 0;
@@ -1481,10 +1489,14 @@ static int __perf_remove_from_context(void *info)
  * When called from perf_event_exit_task, it's OK because the
  * context has been detached from its task.
  */
-static void perf_remove_from_context(struct perf_event *event)
+static void perf_remove_from_context(struct perf_event *event, bool detach_group)
 {
         struct perf_event_context *ctx = event->ctx;
         struct task_struct *task = ctx->task;
+        struct remove_event re = {
+                .event = event,
+                .detach_group = detach_group,
+        };
 
         lockdep_assert_held(&ctx->mutex);
 
@@ -1493,12 +1505,12 @@ static void perf_remove_from_context(struct perf_event *event)
                  * Per cpu events are removed via an smp call and
                  * the removal is always successful.
                  */
-                cpu_function_call(event->cpu, __perf_remove_from_context, event);
+                cpu_function_call(event->cpu, __perf_remove_from_context, &re);
                 return;
         }
 
 retry:
-        if (!task_function_call(task, __perf_remove_from_context, event))
+        if (!task_function_call(task, __perf_remove_from_context, &re))
                 return;
 
         raw_spin_lock_irq(&ctx->lock);
@@ -1515,6 +1527,8 @@ retry:
          * Since the task isn't running, its safe to remove the event, us
          * holding the ctx->lock ensures the task won't get scheduled in.
          */
+        if (detach_group)
+                perf_group_detach(event);
         list_del_event(event, ctx);
         raw_spin_unlock_irq(&ctx->lock);
 }
@@ -3178,7 +3192,8 @@ static void free_event_rcu(struct rcu_head *head)
 }
 
 static void ring_buffer_put(struct ring_buffer *rb);
-static void ring_buffer_detach(struct perf_event *event, struct ring_buffer *rb);
+static void ring_buffer_attach(struct perf_event *event,
+                               struct ring_buffer *rb);
 
 static void unaccount_event_cpu(struct perf_event *event, int cpu)
 {
@@ -3238,8 +3253,6 @@ static void free_event(struct perf_event *event)
         unaccount_event(event);
 
         if (event->rb) {
-                struct ring_buffer *rb;
-
                 /*
                  * Can happen when we close an event with re-directed output.
                  *
@@ -3247,12 +3260,7 @@ static void free_event(struct perf_event *event)
                  * over us; possibly making our ring_buffer_put() the last.
                  */
                 mutex_lock(&event->mmap_mutex);
-                rb = event->rb;
-                if (rb) {
-                        rcu_assign_pointer(event->rb, NULL);
-                        ring_buffer_detach(event, rb);
-                        ring_buffer_put(rb); /* could be last */
-                }
+                ring_buffer_attach(event, NULL);
                 mutex_unlock(&event->mmap_mutex);
         }
 
@@ -3281,10 +3289,7 @@ int perf_event_release_kernel(struct perf_event *event)
          *     to trigger the AB-BA case.
          */
         mutex_lock_nested(&ctx->mutex, SINGLE_DEPTH_NESTING);
-        raw_spin_lock_irq(&ctx->lock);
-        perf_group_detach(event);
-        raw_spin_unlock_irq(&ctx->lock);
-        perf_remove_from_context(event);
+        perf_remove_from_context(event, true);
         mutex_unlock(&ctx->mutex);
 
         free_event(event);
@@ -3839,28 +3844,47 @@ unlock:
 static void ring_buffer_attach(struct perf_event *event,
                                struct ring_buffer *rb)
 {
+        struct ring_buffer *old_rb = NULL;
         unsigned long flags;
 
-        if (!list_empty(&event->rb_entry))
-                return;
+        if (event->rb) {
+                /*
+                 * Should be impossible, we set this when removing
+                 * event->rb_entry and wait/clear when adding event->rb_entry.
+                 */
+                WARN_ON_ONCE(event->rcu_pending);
 
-        spin_lock_irqsave(&rb->event_lock, flags);
-        if (list_empty(&event->rb_entry))
-                list_add(&event->rb_entry, &rb->event_list);
-        spin_unlock_irqrestore(&rb->event_lock, flags);
-}
+                old_rb = event->rb;
+                event->rcu_batches = get_state_synchronize_rcu();
+                event->rcu_pending = 1;
 
-static void ring_buffer_detach(struct perf_event *event, struct ring_buffer *rb)
-{
-        unsigned long flags;
+                spin_lock_irqsave(&old_rb->event_lock, flags);
+                list_del_rcu(&event->rb_entry);
+                spin_unlock_irqrestore(&old_rb->event_lock, flags);
+        }
 
-        if (list_empty(&event->rb_entry))
-                return;
+        if (event->rcu_pending && rb) {
+                cond_synchronize_rcu(event->rcu_batches);
+                event->rcu_pending = 0;
+        }
+
+        if (rb) {
+                spin_lock_irqsave(&rb->event_lock, flags);
+                list_add_rcu(&event->rb_entry, &rb->event_list);
+                spin_unlock_irqrestore(&rb->event_lock, flags);
+        }
+
+        rcu_assign_pointer(event->rb, rb);
 
-        spin_lock_irqsave(&rb->event_lock, flags);
-        list_del_init(&event->rb_entry);
-        wake_up_all(&event->waitq);
-        spin_unlock_irqrestore(&rb->event_lock, flags);
+        if (old_rb) {
+                ring_buffer_put(old_rb);
+                /*
+                 * Since we detached before setting the new rb, so that we
+                 * could attach the new rb, we could have missed a wakeup.
+                 * Provide it now.
+                 */
+                wake_up_all(&event->waitq);
+        }
 }
 
 static void ring_buffer_wakeup(struct perf_event *event)
@@ -3929,7 +3953,7 @@ static void perf_mmap_close(struct vm_area_struct *vma)
 {
         struct perf_event *event = vma->vm_file->private_data;
 
-        struct ring_buffer *rb = event->rb;
+        struct ring_buffer *rb = ring_buffer_get(event);
         struct user_struct *mmap_user = rb->mmap_user;
         int mmap_locked = rb->mmap_locked;
         unsigned long size = perf_data_size(rb);
@@ -3937,18 +3961,14 @@ static void perf_mmap_close(struct vm_area_struct *vma)
         atomic_dec(&rb->mmap_count);
 
         if (!atomic_dec_and_mutex_lock(&event->mmap_count, &event->mmap_mutex))
-                return;
+                goto out_put;
 
-        /* Detach current event from the buffer. */
-        rcu_assign_pointer(event->rb, NULL);
-        ring_buffer_detach(event, rb);
+        ring_buffer_attach(event, NULL);
         mutex_unlock(&event->mmap_mutex);
 
         /* If there's still other mmap()s of this buffer, we're done. */
-        if (atomic_read(&rb->mmap_count)) {
-                ring_buffer_put(rb); /* can't be last */
-                return;
-        }
+        if (atomic_read(&rb->mmap_count))
+                goto out_put;
 
         /*
          * No other mmap()s, detach from all other events that might redirect
@@ -3978,11 +3998,9 @@ again:
                  * still restart the iteration to make sure we're not now
                  * iterating the wrong list.
                  */
-                if (event->rb == rb) {
-                        rcu_assign_pointer(event->rb, NULL);
-                        ring_buffer_detach(event, rb);
-                        ring_buffer_put(rb); /* can't be last, we still have one */
-                }
+                if (event->rb == rb)
+                        ring_buffer_attach(event, NULL);
+
                 mutex_unlock(&event->mmap_mutex);
                 put_event(event);
 
@@ -4007,6 +4025,7 @@ again:
         vma->vm_mm->pinned_vm -= mmap_locked;
         free_uid(mmap_user);
 
+out_put:
         ring_buffer_put(rb); /* could be last */
 }
 
@@ -4124,7 +4143,6 @@ again:
         vma->vm_mm->pinned_vm += extra;
 
         ring_buffer_attach(event, rb);
-        rcu_assign_pointer(event->rb, rb);
 
         perf_event_init_userpage(event);
         perf_event_update_userpage(event);
@@ -5408,6 +5426,9 @@ struct swevent_htable {
 
         /* Recursion avoidance in each contexts */
         int                             recursion[PERF_NR_CONTEXTS];
+
+        /* Keeps track of cpu being initialized/exited */
+        bool                            online;
 };
 
 static DEFINE_PER_CPU(struct swevent_htable, swevent_htable);
@@ -5654,8 +5675,14 @@ static int perf_swevent_add(struct perf_event *event, int flags)
         hwc->state = !(flags & PERF_EF_START);
 
         head = find_swevent_head(swhash, event);
-        if (WARN_ON_ONCE(!head))
+        if (!head) {
+                /*
+                 * We can race with cpu hotplug code. Do not
+                 * WARN if the cpu just got unplugged.
+                 */
+                WARN_ON_ONCE(swhash->online);
                 return -EINVAL;
+        }
 
         hlist_add_head_rcu(&event->hlist_entry, head);
 
@@ -6914,7 +6941,7 @@ err_size:
 static int
 perf_event_set_output(struct perf_event *event, struct perf_event *output_event)
 {
-        struct ring_buffer *rb = NULL, *old_rb = NULL;
+        struct ring_buffer *rb = NULL;
         int ret = -EINVAL;
 
         if (!output_event)
@@ -6942,8 +6969,6 @@ set:
         if (atomic_read(&event->mmap_count))
                 goto unlock;
 
-        old_rb = event->rb;
-
         if (output_event) {
                 /* get the rb we want to redirect to */
                 rb = ring_buffer_get(output_event);
@@ -6951,23 +6976,7 @@ set:
                         goto unlock;
         }
 
-        if (old_rb)
-                ring_buffer_detach(event, old_rb);
-
-        if (rb)
-                ring_buffer_attach(event, rb);
-
-        rcu_assign_pointer(event->rb, rb);
-
-        if (old_rb) {
-                ring_buffer_put(old_rb);
-                /*
-                 * Since we detached before setting the new rb, so that we
-                 * could attach the new rb, we could have missed a wakeup.
-                 * Provide it now.
-                 */
-                wake_up_all(&event->waitq);
-        }
+        ring_buffer_attach(event, rb);
 
         ret = 0;
 unlock:
@@ -7018,6 +7027,9 @@ SYSCALL_DEFINE5(perf_event_open,
         if (attr.freq) {
                 if (attr.sample_freq > sysctl_perf_event_sample_rate)
                         return -EINVAL;
+        } else {
+                if (attr.sample_period & (1ULL << 63))
+                        return -EINVAL;
         }
 
         /*
@@ -7165,7 +7177,7 @@ SYSCALL_DEFINE5(perf_event_open,
                 struct perf_event_context *gctx = group_leader->ctx;
 
                 mutex_lock(&gctx->mutex);
-                perf_remove_from_context(group_leader);
+                perf_remove_from_context(group_leader, false);
 
                 /*
                  * Removing from the context ends up with disabled
@@ -7175,7 +7187,7 @@ SYSCALL_DEFINE5(perf_event_open,
                 perf_event__state_init(group_leader);
                 list_for_each_entry(sibling, &group_leader->sibling_list,
                                     group_entry) {
-                        perf_remove_from_context(sibling);
+                        perf_remove_from_context(sibling, false);
                         perf_event__state_init(sibling);
                         put_ctx(gctx);
                 }
@@ -7305,7 +7317,7 @@ void perf_pmu_migrate_context(struct pmu *pmu, int src_cpu, int dst_cpu)
         mutex_lock(&src_ctx->mutex);
         list_for_each_entry_safe(event, tmp, &src_ctx->event_list,
                                  event_entry) {
-                perf_remove_from_context(event);
+                perf_remove_from_context(event, false);
                 unaccount_event_cpu(event, src_cpu);
                 put_ctx(src_ctx);
                 list_add(&event->migrate_entry, &events);
@@ -7367,13 +7379,7 @@ __perf_event_exit_task(struct perf_event *child_event,
                          struct perf_event_context *child_ctx,
                          struct task_struct *child)
 {
-        if (child_event->parent) {
-                raw_spin_lock_irq(&child_ctx->lock);
-                perf_group_detach(child_event);
-                raw_spin_unlock_irq(&child_ctx->lock);
-        }
-
-        perf_remove_from_context(child_event);
+        perf_remove_from_context(child_event, !!child_event->parent);
 
         /*
          * It can happen that the parent exits first, and has events
@@ -7724,6 +7730,8 @@ int perf_event_init_context(struct task_struct *child, int ctxn)
          * swapped under us.
          */
         parent_ctx = perf_pin_task_context(parent, ctxn);
+        if (!parent_ctx)
+                return 0;
 
         /*
          * No need to check if parent_ctx != NULL here; since we saw
@@ -7835,6 +7843,7 @@ static void perf_event_init_cpu(int cpu)
         struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
 
         mutex_lock(&swhash->hlist_mutex);
+        swhash->online = true;
         if (swhash->hlist_refcount > 0) {
                 struct swevent_hlist *hlist;
 
@@ -7857,14 +7866,14 @@ static void perf_pmu_rotate_stop(struct pmu *pmu)
 
 static void __perf_event_exit_context(void *__info)
 {
+        struct remove_event re = { .detach_group = false };
         struct perf_event_context *ctx = __info;
-        struct perf_event *event;
 
         perf_pmu_rotate_stop(ctx->pmu);
 
         rcu_read_lock();
-        list_for_each_entry_rcu(event, &ctx->event_list, event_entry)
-                __perf_remove_from_context(event);
+        list_for_each_entry_rcu(re.event, &ctx->event_list, event_entry)
+                __perf_remove_from_context(&re);
         rcu_read_unlock();
 }
 
@@ -7892,6 +7901,7 @@ static void perf_event_exit_cpu(int cpu)
         perf_event_exit_cpu_context(cpu);
 
         mutex_lock(&swhash->hlist_mutex);
+        swhash->online = false;
         swevent_hlist_release(swhash);
         mutex_unlock(&swhash->hlist_mutex);
 }
diff --git a/kernel/futex.c b/kernel/futex.c
index 5f589279e462..81dbe773ce4c 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -745,7 +745,8 @@ void exit_pi_state_list(struct task_struct *curr)
 
 static int
 lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
-                union futex_key *key, struct futex_pi_state **ps)
+                union futex_key *key, struct futex_pi_state **ps,
+                struct task_struct *task)
 {
         struct futex_pi_state *pi_state = NULL;
         struct futex_q *this, *next;
@@ -786,6 +787,16 @@ lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
                                         return -EINVAL;
                         }
 
+                        /*
+                         * Protect against a corrupted uval. If uval
+                         * is 0x80000000 then pid is 0 and the waiter
+                         * bit is set. So the deadlock check in the
+                         * calling code has failed and we did not fall
+                         * into the check above due to !pid.
+                         */
+                        if (task && pi_state->owner == task)
+                                return -EDEADLK;
+
                         atomic_inc(&pi_state->refcount);
                         *ps = pi_state;
 
@@ -803,6 +814,11 @@ lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
         if (!p)
                 return -ESRCH;
 
+        if (!p->mm) {
+                put_task_struct(p);
+                return -EPERM;
+        }
+
         /*
          * We need to look at the task state flags to figure out,
          * whether the task is exiting. To protect against the do_exit
@@ -935,7 +951,7 @@ retry:
          * We dont have the lock. Look up the PI state (or create it if
          * we are the first waiter):
          */
-        ret = lookup_pi_state(uval, hb, key, ps);
+        ret = lookup_pi_state(uval, hb, key, ps, task);
 
         if (unlikely(ret)) {
                 switch (ret) {
@@ -1347,7 +1363,7 @@ void requeue_pi_wake_futex(struct futex_q *q, union futex_key *key,
  *
  * Return:
  *  0 - failed to acquire the lock atomically;
- *  1 - acquired the lock;
+ * >0 - acquired the lock, return value is vpid of the top_waiter
  * <0 - error
  */
 static int futex_proxy_trylock_atomic(u32 __user *pifutex,
@@ -1358,7 +1374,7 @@ static int futex_proxy_trylock_atomic(u32 __user *pifutex,
 {
         struct futex_q *top_waiter = NULL;
         u32 curval;
-        int ret;
+        int ret, vpid;
 
         if (get_futex_value_locked(&curval, pifutex))
                 return -EFAULT;
@@ -1386,11 +1402,13 @@ static int futex_proxy_trylock_atomic(u32 __user *pifutex,
          * the contended case or if set_waiters is 1.  The pi_state is returned
          * in ps in contended cases.
          */
+        vpid = task_pid_vnr(top_waiter->task);
         ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,
                                    set_waiters);
-        if (ret == 1)
+        if (ret == 1) {
                 requeue_pi_wake_futex(top_waiter, key2, hb2);
-
+                return vpid;
+        }
         return ret;
 }
 
@@ -1421,7 +1439,6 @@ static int futex_requeue(u32 __user *uaddr1, unsigned int flags,
         struct futex_pi_state *pi_state = NULL;
         struct futex_hash_bucket *hb1, *hb2;
         struct futex_q *this, *next;
-        u32 curval2;
 
         if (requeue_pi) {
                 /*
@@ -1509,16 +1526,25 @@ retry_private:
                  * At this point the top_waiter has either taken uaddr2 or is
                  * waiting on it.  If the former, then the pi_state will not
                  * exist yet, look it up one more time to ensure we have a
-                 * reference to it.
+                 * reference to it. If the lock was taken, ret contains the
+                 * vpid of the top waiter task.
                  */
-                if (ret == 1) {
+                if (ret > 0) {
                         WARN_ON(pi_state);
                         drop_count++;
                         task_count++;
-                        ret = get_futex_value_locked(&curval2, uaddr2);
-                        if (!ret)
-                                ret = lookup_pi_state(curval2, hb2, &key2,
-                                                      &pi_state);
+                        /*
+                         * If we acquired the lock, then the user
+                         * space value of uaddr2 should be vpid. It
+                         * cannot be changed by the top waiter as it
+                         * is blocked on hb2 lock if it tries to do
+                         * so. If something fiddled with it behind our
+                         * back the pi state lookup might unearth
+                         * it. So we rather use the known value than
+                         * rereading and handing potential crap to
+                         * lookup_pi_state.
+                         */
+                        ret = lookup_pi_state(ret, hb2, &key2, &pi_state, NULL);
                 }
 
                 switch (ret) {
diff --git a/kernel/kexec.c b/kernel/kexec.c
index c8380ad203bc..28c57069ef68 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1683,6 +1683,14 @@ int kernel_kexec(void)
                 kexec_in_progress = true;
                 kernel_restart_prepare(NULL);
                 migrate_to_reboot_cpu();
+
+                /*
+                 * migrate_to_reboot_cpu() disables CPU hotplug assuming that
+                 * no further code needs to use CPU hotplug (which is true in
+                 * the reboot case). However, the kexec path depends on using
+                 * CPU hotplug again; so re-enable it here.
+                 */
+                cpu_hotplug_enable();
                 printk(KERN_EMERG "Starting new kernel\n");
                 machine_shutdown();
         }
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index aa4dff04b594..a620d4d08ca6 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -343,9 +343,16 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
          * top_waiter can be NULL, when we are in the deboosting
          * mode!
          */
-        if (top_waiter && (!task_has_pi_waiters(task) ||
-                           top_waiter != task_top_pi_waiter(task)))
-                goto out_unlock_pi;
+        if (top_waiter) {
+                if (!task_has_pi_waiters(task))
+                        goto out_unlock_pi;
+                /*
+                 * If deadlock detection is off, we stop here if we
+                 * are not the top pi waiter of the task.
+                 */
+                if (!detect_deadlock && top_waiter != task_top_pi_waiter(task))
+                        goto out_unlock_pi;
+        }
 
         /*
          * When deadlock detection is off then we check, if further
@@ -361,7 +368,12 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
                 goto retry;
         }
 
-        /* Deadlock detection */
+        /*
+         * Deadlock detection. If the lock is the same as the original
+         * lock which caused us to walk the lock chain or if the
+         * current lock is owned by the task which initiated the chain
+         * walk, we detected a deadlock.
+         */
         if (lock == orig_lock || rt_mutex_owner(lock) == top_task) {
                 debug_rt_mutex_deadlock(deadlock_detect, orig_waiter, lock);
                 raw_spin_unlock(&lock->wait_lock);
@@ -527,6 +539,18 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
         unsigned long flags;
         int chain_walk = 0, res;
 
+        /*
+         * Early deadlock detection. We really don't want the task to
+         * enqueue on itself just to untangle the mess later. It's not
+         * only an optimization. We drop the locks, so another waiter
+         * can come in before the chain walk detects the deadlock. So
+         * the other will detect the deadlock and return -EDEADLOCK,
+         * which is wrong, as the other waiter is not in a deadlock
+         * situation.
+         */
+        if (detect_deadlock && owner == task)
+                return -EDEADLK;
+
         raw_spin_lock_irqsave(&task->pi_lock, flags);
         __rt_mutex_adjust_prio(task);
         waiter->task = task;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d9d8ece46a15..0a7251678982 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2592,8 +2592,14 @@ pick_next_task(struct rq *rq, struct task_struct *prev)
         if (likely(prev->sched_class == class &&
                    rq->nr_running == rq->cfs.h_nr_running)) {
                 p = fair_sched_class.pick_next_task(rq, prev);
-                if (likely(p && p != RETRY_TASK))
-                        return p;
+                if (unlikely(p == RETRY_TASK))
+                        goto again;
+
+                /* assumes fair_sched_class->next == idle_sched_class */
+                if (unlikely(!p))
+                        p = idle_sched_class.pick_next_task(rq, prev);
+
+                return p;
         }
 
 again:
@@ -3124,6 +3130,7 @@ __setparam_dl(struct task_struct *p, const struct sched_attr *attr)
         dl_se->dl_bw = to_ratio(dl_se->dl_period, dl_se->dl_runtime);
         dl_se->dl_throttled = 0;
         dl_se->dl_new = 1;
+        dl_se->dl_yielded = 0;
 }
 
 static void __setscheduler_params(struct task_struct *p,
@@ -3188,17 +3195,40 @@ __getparam_dl(struct task_struct *p, struct sched_attr *attr)
  * We ask for the deadline not being zero, and greater or equal
  * than the runtime, as well as the period of being zero or
  * greater than deadline. Furthermore, we have to be sure that
- * user parameters are above the internal resolution (1us); we
- * check sched_runtime only since it is always the smaller one.
+ * user parameters are above the internal resolution of 1us (we
+ * check sched_runtime only since it is always the smaller one) and
+ * below 2^63 ns (we have to check both sched_deadline and
+ * sched_period, as the latter can be zero).
  */
 static bool
 __checkparam_dl(const struct sched_attr *attr)
 {
-        return attr && attr->sched_deadline != 0 &&
-                (attr->sched_period == 0 ||
-                (s64)(attr->sched_period   - attr->sched_deadline) >= 0) &&
-                (s64)(attr->sched_deadline - attr->sched_runtime ) >= 0  &&
-                attr->sched_runtime >= (2 << (DL_SCALE - 1));
+        /* deadline != 0 */
+        if (attr->sched_deadline == 0)
+                return false;
+
+        /*
+         * Since we truncate DL_SCALE bits, make sure we're at least
+         * that big.
+         */
+        if (attr->sched_runtime < (1ULL << DL_SCALE))
+                return false;
+
+        /*
+         * Since we use the MSB for wrap-around and sign issues, make
+         * sure it's not set (mind that period can be equal to zero).
+         */
+        if (attr->sched_deadline & (1ULL << 63) ||
+            attr->sched_period & (1ULL << 63))
+                return false;
+
+        /* runtime <= deadline <= period (if period != 0) */
+        if ((attr->sched_period != 0 &&
+             attr->sched_period < attr->sched_deadline) ||
+            attr->sched_deadline < attr->sched_runtime)
+                return false;
+
+        return true;
 }
 
 /*
@@ -3639,6 +3669,7 @@ SYSCALL_DEFINE2(sched_setparam, pid_t, pid, struct sched_param __user *, param)
  * sys_sched_setattr - same as above, but with extended sched_attr
  * @pid: the pid in question.
  * @uattr: structure containing the extended parameters.
+ * @flags: for future extension.
  */
 SYSCALL_DEFINE3(sched_setattr, pid_t, pid, struct sched_attr __user *, uattr,
                                unsigned int, flags)
@@ -3650,8 +3681,12 @@ SYSCALL_DEFINE3(sched_setattr, pid_t, pid, struct sched_attr __user *, uattr,
         if (!uattr || pid < 0 || flags)
                 return -EINVAL;
 
-        if (sched_copy_attr(uattr, &attr))
-                return -EFAULT;
+        retval = sched_copy_attr(uattr, &attr);
+        if (retval)
+                return retval;
+
+        if (attr.sched_policy < 0)
+                return -EINVAL;
 
         rcu_read_lock();
         retval = -ESRCH;
@@ -3701,7 +3736,7 @@ SYSCALL_DEFINE1(sched_getscheduler, pid_t, pid)
  */
 SYSCALL_DEFINE2(sched_getparam, pid_t, pid, struct sched_param __user *, param)
 {
-        struct sched_param lp;
+        struct sched_param lp = { .sched_priority = 0 };
         struct task_struct *p;
         int retval;
 
@@ -3718,11 +3753,8 @@ SYSCALL_DEFINE2(sched_getparam, pid_t, pid, struct sched_param __user *, param)
         if (retval)
                 goto out_unlock;
 
-        if (task_has_dl_policy(p)) {
-                retval = -EINVAL;
-                goto out_unlock;
-        }
-        lp.sched_priority = p->rt_priority;
+        if (task_has_rt_policy(p))
+                lp.sched_priority = p->rt_priority;
         rcu_read_unlock();
 
         /*
@@ -3783,6 +3815,7 @@ err_size:
  * @pid: the pid in question.
  * @uattr: structure containing the extended parameters.
  * @size: sizeof(attr) for fwd/bwd comp.
+ * @flags: for future extension.
  */
 SYSCALL_DEFINE4(sched_getattr, pid_t, pid, struct sched_attr __user *, uattr,
                 unsigned int, size, unsigned int, flags)
@@ -5043,7 +5076,6 @@ static int sched_cpu_active(struct notifier_block *nfb,
                                       unsigned long action, void *hcpu)
 {
         switch (action & ~CPU_TASKS_FROZEN) {
-        case CPU_STARTING:
         case CPU_DOWN_FAILED:
                 set_cpu_active((long)hcpu, true);
                 return NOTIFY_OK;
@@ -6017,6 +6049,8 @@ sd_numa_init(struct sched_domain_topology_level *tl, int cpu)
                                         ,
                 .last_balance           = jiffies,
                 .balance_interval       = sd_weight,
+                .max_newidle_lb_cost    = 0,
+                .next_decay_max_lb_cost = jiffies,
         };
         SD_INIT_NAME(sd, NUMA);
         sd->private = &tl->data;
diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c
index 5b9bb42b2d47..bd95963dae80 100644
--- a/kernel/sched/cpudeadline.c
+++ b/kernel/sched/cpudeadline.c
@@ -13,6 +13,7 @@
 
 #include <linux/gfp.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include "cpudeadline.h"
 
 static inline int parent(int i)
@@ -39,8 +40,10 @@ static void cpudl_exchange(struct cpudl *cp, int a, int b)
 {
         int cpu_a = cp->elements[a].cpu, cpu_b = cp->elements[b].cpu;
 
-        swap(cp->elements[a], cp->elements[b]);
-        swap(cp->cpu_to_idx[cpu_a], cp->cpu_to_idx[cpu_b]);
+        swap(cp->elements[a].cpu, cp->elements[b].cpu);
+        swap(cp->elements[a].dl , cp->elements[b].dl );
+
+        swap(cp->elements[cpu_a].idx, cp->elements[cpu_b].idx);
 }
 
 static void cpudl_heapify(struct cpudl *cp, int idx)
@@ -140,7 +143,7 @@ void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid)
         WARN_ON(!cpu_present(cpu));
 
         raw_spin_lock_irqsave(&cp->lock, flags);
-        old_idx = cp->cpu_to_idx[cpu];
+        old_idx = cp->elements[cpu].idx;
         if (!is_valid) {
                 /* remove item */
                 if (old_idx == IDX_INVALID) {
@@ -155,8 +158,8 @@ void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid)
                 cp->elements[old_idx].dl = cp->elements[cp->size - 1].dl;
                 cp->elements[old_idx].cpu = new_cpu;
                 cp->size--;
-                cp->cpu_to_idx[new_cpu] = old_idx;
-                cp->cpu_to_idx[cpu] = IDX_INVALID;
+                cp->elements[new_cpu].idx = old_idx;
+                cp->elements[cpu].idx = IDX_INVALID;
                 while (old_idx > 0 && dl_time_before(
                                 cp->elements[parent(old_idx)].dl,
                                 cp->elements[old_idx].dl)) {
@@ -173,7 +176,7 @@ void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid)
                 cp->size++;
                 cp->elements[cp->size - 1].dl = 0;
                 cp->elements[cp->size - 1].cpu = cpu;
-                cp->cpu_to_idx[cpu] = cp->size - 1;
+                cp->elements[cpu].idx = cp->size - 1;
                 cpudl_change_key(cp, cp->size - 1, dl);
                 cpumask_clear_cpu(cpu, cp->free_cpus);
         } else {
@@ -195,10 +198,21 @@ int cpudl_init(struct cpudl *cp)
         memset(cp, 0, sizeof(*cp));
         raw_spin_lock_init(&cp->lock);
         cp->size = 0;
-        for (i = 0; i < NR_CPUS; i++)
-                cp->cpu_to_idx[i] = IDX_INVALID;
-        if (!alloc_cpumask_var(&cp->free_cpus, GFP_KERNEL))
+
+        cp->elements = kcalloc(nr_cpu_ids,
+                               sizeof(struct cpudl_item),
+                               GFP_KERNEL);
+        if (!cp->elements)
+                return -ENOMEM;
+
+        if (!alloc_cpumask_var(&cp->free_cpus, GFP_KERNEL)) {
+                kfree(cp->elements);
                 return -ENOMEM;
+        }
+
+        for_each_possible_cpu(i)
+                cp->elements[i].idx = IDX_INVALID;
+
         cpumask_setall(cp->free_cpus);
 
         return 0;
@@ -210,7 +224,6 @@ int cpudl_init(struct cpudl *cp)
  */
 void cpudl_cleanup(struct cpudl *cp)
 {
-        /*
-         * nothing to do for the moment
-         */
+        free_cpumask_var(cp->free_cpus);
+        kfree(cp->elements);
 }
diff --git a/kernel/sched/cpudeadline.h b/kernel/sched/cpudeadline.h
index a202789a412c..538c9796ad4a 100644
--- a/kernel/sched/cpudeadline.h
+++ b/kernel/sched/cpudeadline.h
@@ -5,17 +5,17 @@
 
 #define IDX_INVALID     -1
 
-struct array_item {
+struct cpudl_item {
         u64 dl;
         int cpu;
+        int idx;
 };
 
 struct cpudl {
         raw_spinlock_t lock;
         int size;
-        int cpu_to_idx[NR_CPUS];
-        struct array_item elements[NR_CPUS];
         cpumask_var_t free_cpus;
+        struct cpudl_item *elements;
 };
 
 
diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 8b836b376d91..8834243abee2 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -30,6 +30,7 @@
 #include <linux/gfp.h>
 #include <linux/sched.h>
 #include <linux/sched/rt.h>
+#include <linux/slab.h>
 #include "cpupri.h"
 
 /* Convert between a 140 based task->prio, and our 102 based cpupri */
@@ -70,8 +71,7 @@ int cpupri_find(struct cpupri *cp, struct task_struct *p,
         int idx = 0;
         int task_pri = convert_prio(p->prio);
 
-        if (task_pri >= MAX_RT_PRIO)
-                return 0;
+        BUG_ON(task_pri >= CPUPRI_NR_PRIORITIES);
 
         for (idx = 0; idx < task_pri; idx++) {
                 struct cpupri_vec *vec  = &cp->pri_to_cpu[idx];
@@ -219,8 +219,13 @@ int cpupri_init(struct cpupri *cp)
                         goto cleanup;
         }
 
+        cp->cpu_to_pri = kcalloc(nr_cpu_ids, sizeof(int), GFP_KERNEL);
+        if (!cp->cpu_to_pri)
+                goto cleanup;
+
         for_each_possible_cpu(i)
                 cp->cpu_to_pri[i] = CPUPRI_INVALID;
+
         return 0;
 
 cleanup:
@@ -237,6 +242,7 @@ void cpupri_cleanup(struct cpupri *cp)
 {
         int i;
 
+        kfree(cp->cpu_to_pri);
         for (i = 0; i < CPUPRI_NR_PRIORITIES; i++)
                 free_cpumask_var(cp->pri_to_cpu[i].mask);
 }
diff --git a/kernel/sched/cpupri.h b/kernel/sched/cpupri.h
index f6d756173491..6b033347fdfd 100644
--- a/kernel/sched/cpupri.h
+++ b/kernel/sched/cpupri.h
@@ -17,7 +17,7 @@ struct cpupri_vec {
 
 struct cpupri {
         struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
-        int               cpu_to_pri[NR_CPUS];
+        int *cpu_to_pri;
 };
 
 #ifdef CONFIG_SMP
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index a95097cb4591..72fdf06ef865 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -332,50 +332,50 @@ out:
  * softirq as those do not count in task exec_runtime any more.
  */
 static void irqtime_account_process_tick(struct task_struct *p, int user_tick,
-                                                struct rq *rq)
+                                         struct rq *rq, int ticks)
 {
-        cputime_t one_jiffy_scaled = cputime_to_scaled(cputime_one_jiffy);
+        cputime_t scaled = cputime_to_scaled(cputime_one_jiffy);
+        u64 cputime = (__force u64) cputime_one_jiffy;
         u64 *cpustat = kcpustat_this_cpu->cpustat;
 
         if (steal_account_process_tick())
                 return;
 
+        cputime *= ticks;
+        scaled *= ticks;
+
         if (irqtime_account_hi_update()) {
-                cpustat[CPUTIME_IRQ] += (__force u64) cputime_one_jiffy;
+                cpustat[CPUTIME_IRQ] += cputime;
         } else if (irqtime_account_si_update()) {
-                cpustat[CPUTIME_SOFTIRQ] += (__force u64) cputime_one_jiffy;
+                cpustat[CPUTIME_SOFTIRQ] += cputime;
         } else if (this_cpu_ksoftirqd() == p) {
                 /*
                  * ksoftirqd time do not get accounted in cpu_softirq_time.
                  * So, we have to handle it separately here.
                  * Also, p->stime needs to be updated for ksoftirqd.
                  */
-                __account_system_time(p, cputime_one_jiffy, one_jiffy_scaled,
-                                        CPUTIME_SOFTIRQ);
+                __account_system_time(p, cputime, scaled, CPUTIME_SOFTIRQ);
         } else if (user_tick) {
-                account_user_time(p, cputime_one_jiffy, one_jiffy_scaled);
+                account_user_time(p, cputime, scaled);
         } else if (p == rq->idle) {
-                account_idle_time(cputime_one_jiffy);
+                account_idle_time(cputime);
         } else if (p->flags & PF_VCPU) { /* System time or guest time */
-                account_guest_time(p, cputime_one_jiffy, one_jiffy_scaled);
+                account_guest_time(p, cputime, scaled);
         } else {
-                __account_system_time(p, cputime_one_jiffy, one_jiffy_scaled,
-                                        CPUTIME_SYSTEM);
+                __account_system_time(p, cputime, scaled,       CPUTIME_SYSTEM);
         }
 }
 
 static void irqtime_account_idle_ticks(int ticks)
 {
-        int i;
         struct rq *rq = this_rq();
 
-        for (i = 0; i < ticks; i++)
-                irqtime_account_process_tick(current, 0, rq);
+        irqtime_account_process_tick(current, 0, rq, ticks);
 }
 #else /* CONFIG_IRQ_TIME_ACCOUNTING */
 static inline void irqtime_account_idle_ticks(int ticks) {}
 static inline void irqtime_account_process_tick(struct task_struct *p, int user_tick,
-                                                struct rq *rq) {}
+                                                struct rq *rq, int nr_ticks) {}
 #endif /* CONFIG_IRQ_TIME_ACCOUNTING */
 
 /*
@@ -464,7 +464,7 @@ void account_process_tick(struct task_struct *p, int user_tick)
                 return;
 
         if (sched_clock_irqtime) {
-                irqtime_account_process_tick(p, user_tick, rq);
+                irqtime_account_process_tick(p, user_tick, rq, 1);
                 return;
         }
 
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index b08095786cb8..800e99b99075 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -528,6 +528,7 @@ static enum hrtimer_restart dl_task_timer(struct hrtimer *timer)
         sched_clock_tick();
         update_rq_clock(rq);
         dl_se->dl_throttled = 0;
+        dl_se->dl_yielded = 0;
         if (p->on_rq) {
                 enqueue_task_dl(rq, p, ENQUEUE_REPLENISH);
                 if (task_has_dl_policy(rq->curr))
@@ -893,10 +894,10 @@ static void yield_task_dl(struct rq *rq)
          * We make the task go to sleep until its current deadline by
          * forcing its runtime to zero. This way, update_curr_dl() stops
          * it and the bandwidth timer will wake it up and will give it
-         * new scheduling parameters (thanks to dl_new=1).
+         * new scheduling parameters (thanks to dl_yielded=1).
          */
         if (p->dl.runtime > 0) {
-                rq->curr->dl.dl_new = 1;
+                rq->curr->dl.dl_yielded = 1;
                 p->dl.runtime = 0;
         }
         update_curr_dl(rq);
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 7570dd969c28..0fdb96de81a5 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6653,6 +6653,7 @@ static int idle_balance(struct rq *this_rq)
         int this_cpu = this_rq->cpu;
 
         idle_enter_fair(this_rq);
+
         /*
          * We must set idle_stamp _before_ calling idle_balance(), such that we
          * measure the duration of idle_balance() as idle time.
@@ -6705,14 +6706,16 @@ static int idle_balance(struct rq *this_rq)
 
         raw_spin_lock(&this_rq->lock);
 
+        if (curr_cost > this_rq->max_idle_balance_cost)
+                this_rq->max_idle_balance_cost = curr_cost;
+
         /*
-         * While browsing the domains, we released the rq lock.
-         * A task could have be enqueued in the meantime
+         * While browsing the domains, we released the rq lock, a task could
+         * have been enqueued in the meantime. Since we're not going idle,
+         * pretend we pulled a task.
          */
-        if (this_rq->cfs.h_nr_running && !pulled_task) {
+        if (this_rq->cfs.h_nr_running && !pulled_task)
                 pulled_task = 1;
-                goto out;
-        }
 
         if (pulled_task || time_after(jiffies, this_rq->next_balance)) {
                 /*
@@ -6722,9 +6725,6 @@ static int idle_balance(struct rq *this_rq)
                 this_rq->next_balance = next_balance;
         }
 
-        if (curr_cost > this_rq->max_idle_balance_cost)
-                this_rq->max_idle_balance_cost = curr_cost;
-
 out:
         /* Is there a task of a high priority class? */
         if (this_rq->nr_running != this_rq->cfs.h_nr_running &&
diff --git a/mm/filemap.c b/mm/filemap.c
index 000a220e2a41..088358c8006b 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -257,9 +257,11 @@ static int filemap_check_errors(struct address_space *mapping)
 {
         int ret = 0;
         /* Check for outstanding write errors */
-        if (test_and_clear_bit(AS_ENOSPC, &mapping->flags))
+        if (test_bit(AS_ENOSPC, &mapping->flags) &&
+            test_and_clear_bit(AS_ENOSPC, &mapping->flags))
                 ret = -ENOSPC;
-        if (test_and_clear_bit(AS_EIO, &mapping->flags))
+        if (test_bit(AS_EIO, &mapping->flags) &&
+            test_and_clear_bit(AS_EIO, &mapping->flags))
                 ret = -EIO;
         return ret;
 }
diff --git a/mm/madvise.c b/mm/madvise.c
index 539eeb96b323..a402f8fdc68e 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -195,7 +195,7 @@ static void force_shm_swapin_readahead(struct vm_area_struct *vma,
         for (; start < end; start += PAGE_SIZE) {
                 index = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
 
-                page = find_get_page(mapping, index);
+                page = find_get_entry(mapping, index);
                 if (!radix_tree_exceptional_entry(page)) {
                         if (page)
                                 page_cache_release(page);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c47dffdcb246..5177c6d4a2dd 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1077,9 +1077,18 @@ static struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm)
 
         rcu_read_lock();
         do {
-                memcg = mem_cgroup_from_task(rcu_dereference(mm->owner));
-                if (unlikely(!memcg))
+                /*
+                 * Page cache insertions can happen withou an
+                 * actual mm context, e.g. during disk probing
+                 * on boot, loopback IO, acct() writes etc.
+                 */
+                if (unlikely(!mm))
                         memcg = root_mem_cgroup;
+                else {
+                        memcg = mem_cgroup_from_task(rcu_dereference(mm->owner));
+                        if (unlikely(!memcg))
+                                memcg = root_mem_cgroup;
+                }
         } while (!css_tryget(&memcg->css));
         rcu_read_unlock();
         return memcg;
@@ -3958,17 +3967,9 @@ int mem_cgroup_charge_file(struct page *page, struct mm_struct *mm,
                 return 0;
         }
 
-        /*
-         * Page cache insertions can happen without an actual mm
-         * context, e.g. during disk probing on boot.
-         */
-        if (unlikely(!mm))
-                memcg = root_mem_cgroup;
-        else {
-                memcg = mem_cgroup_try_charge_mm(mm, gfp_mask, 1, true);
-                if (!memcg)
-                        return -ENOMEM;
-        }
+        memcg = mem_cgroup_try_charge_mm(mm, gfp_mask, 1, true);
+        if (!memcg)
+                return -ENOMEM;
         __mem_cgroup_commit_charge(memcg, page, 1, type, false);
         return 0;
 }
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 35ef28acf137..9ccef39a9de2 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1081,15 +1081,16 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
                         return 0;
                 } else if (PageHuge(hpage)) {
                         /*
-                         * Check "just unpoisoned", "filter hit", and
-                         * "race with other subpage."
+                         * Check "filter hit" and "race with other subpage."
                          */
                         lock_page(hpage);
-                        if (!PageHWPoison(hpage)
-                            || (hwpoison_filter(p) && TestClearPageHWPoison(p))
-                            || (p != hpage && TestSetPageHWPoison(hpage))) {
-                                atomic_long_sub(nr_pages, &num_poisoned_pages);
-                                return 0;
+                        if (PageHWPoison(hpage)) {
+                                if ((hwpoison_filter(p) && TestClearPageHWPoison(p))
+                                    || (p != hpage && TestSetPageHWPoison(hpage))) {
+                                        atomic_long_sub(nr_pages, &num_poisoned_pages);
+                                        unlock_page(hpage);
+                                        return 0;
+                                }
                         }
                         set_page_hwpoison_huge_page(hpage);
                         res = dequeue_hwpoisoned_huge_page(hpage);
@@ -1152,6 +1153,8 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
          */
         if (!PageHWPoison(p)) {
                 printk(KERN_ERR "MCE %#lx: just unpoisoned\n", pfn);
+                atomic_long_sub(nr_pages, &num_poisoned_pages);
+                put_page(hpage);
                 res = 0;
                 goto out;
         }
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 175273f38cb1..44ebd5c2cd4a 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -169,6 +169,7 @@ int register_vlan_dev(struct net_device *dev)
         if (err < 0)
                 goto out_uninit_mvrp;
 
+        vlan->nest_level = dev_get_nest_level(real_dev, is_vlan_dev) + 1;
         err = register_netdevice(dev);
         if (err < 0)
                 goto out_uninit_mvrp;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 733ec283ed1b..019efb79708f 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -493,48 +493,10 @@ static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
         }
 }
 
-static int vlan_calculate_locking_subclass(struct net_device *real_dev)
-{
-        int subclass = 0;
-
-        while (is_vlan_dev(real_dev)) {
-                subclass++;
-                real_dev = vlan_dev_priv(real_dev)->real_dev;
-        }
-
-        return subclass;
-}
-
-static void vlan_dev_mc_sync(struct net_device *to, struct net_device *from)
-{
-        int err = 0, subclass;
-
-        subclass = vlan_calculate_locking_subclass(to);
-
-        spin_lock_nested(&to->addr_list_lock, subclass);
-        err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len);
-        if (!err)
-                __dev_set_rx_mode(to);
-        spin_unlock(&to->addr_list_lock);
-}
-
-static void vlan_dev_uc_sync(struct net_device *to, struct net_device *from)
-{
-        int err = 0, subclass;
-
-        subclass = vlan_calculate_locking_subclass(to);
-
-        spin_lock_nested(&to->addr_list_lock, subclass);
-        err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len);
-        if (!err)
-                __dev_set_rx_mode(to);
-        spin_unlock(&to->addr_list_lock);
-}
-
 static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
 {
-        vlan_dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
-        vlan_dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
+        dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
+        dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
 }
 
 /*
@@ -562,6 +524,11 @@ static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
         netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
 }
 
+static int vlan_dev_get_lock_subclass(struct net_device *dev)
+{
+        return vlan_dev_priv(dev)->nest_level;
+}
+
 static const struct header_ops vlan_header_ops = {
         .create  = vlan_dev_hard_header,
         .rebuild = vlan_dev_rebuild_header,
@@ -597,7 +564,6 @@ static const struct net_device_ops vlan_netdev_ops;
 static int vlan_dev_init(struct net_device *dev)
 {
         struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
-        int subclass = 0;
 
         netif_carrier_off(dev);
 
@@ -646,8 +612,7 @@ static int vlan_dev_init(struct net_device *dev)
 
         SET_NETDEV_DEVTYPE(dev, &vlan_type);
 
-        subclass = vlan_calculate_locking_subclass(dev);
-        vlan_dev_set_lockdep_class(dev, subclass);
+        vlan_dev_set_lockdep_class(dev, vlan_dev_get_lock_subclass(dev));
 
         vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
         if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
@@ -819,6 +784,7 @@ static const struct net_device_ops vlan_netdev_ops = {
         .ndo_netpoll_cleanup    = vlan_dev_netpoll_cleanup,
 #endif
         .ndo_fix_features       = vlan_dev_fix_features,
+        .ndo_get_lock_subclass  = vlan_dev_get_lock_subclass,
 };
 
 void vlan_setup(struct net_device *dev)
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index b3bd4ec3fd94..f04224c32005 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1545,6 +1545,8 @@ out_neigh:
         if ((orig_neigh_node) && (!is_single_hop_neigh))
                 batadv_orig_node_free_ref(orig_neigh_node);
 out:
+        if (router_ifinfo)
+                batadv_neigh_ifinfo_free_ref(router_ifinfo);
         if (router)
                 batadv_neigh_node_free_ref(router);
         if (router_router)
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index b25fd64d727b..aa5d4946d0d7 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -940,8 +940,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
                  * additional DAT answer may trigger kernel warnings about
                  * a packet coming from the wrong port.
                  */
-                if (batadv_is_my_client(bat_priv, dat_entry->mac_addr,
-                                        BATADV_NO_FLAGS)) {
+                if (batadv_is_my_client(bat_priv, dat_entry->mac_addr, vid)) {
                         ret = true;
                         goto out;
                 }
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index bcc4bea632fa..f14e54a05691 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -418,12 +418,13 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
                              struct batadv_neigh_node *neigh_node)
 {
         struct batadv_priv *bat_priv;
-        struct batadv_hard_iface *primary_if;
+        struct batadv_hard_iface *primary_if = NULL;
         struct batadv_frag_packet frag_header;
         struct sk_buff *skb_fragment;
         unsigned mtu = neigh_node->if_incoming->net_dev->mtu;
         unsigned header_size = sizeof(frag_header);
         unsigned max_fragment_size, max_packet_size;
+        bool ret = false;
 
         /* To avoid merge and refragmentation at next-hops we never send
          * fragments larger than BATADV_FRAG_MAX_FRAG_SIZE
@@ -483,7 +484,11 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
                            skb->len + ETH_HLEN);
         batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
 
-        return true;
+        ret = true;
+
 out_err:
-        return false;
+        if (primary_if)
+                batadv_hardif_free_ref(primary_if);
+
+        return ret;
 }
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index c835e137423b..90cff585b37d 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -42,8 +42,10 @@
 
 static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node)
 {
-        if (atomic_dec_and_test(&gw_node->refcount))
+        if (atomic_dec_and_test(&gw_node->refcount)) {
+                batadv_orig_node_free_ref(gw_node->orig_node);
                 kfree_rcu(gw_node, rcu);
+        }
 }
 
 static struct batadv_gw_node *
@@ -406,9 +408,14 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
         if (gateway->bandwidth_down == 0)
                 return;
 
+        if (!atomic_inc_not_zero(&orig_node->refcount))
+                return;
+
         gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
-        if (!gw_node)
+        if (!gw_node) {
+                batadv_orig_node_free_ref(orig_node);
                 return;
+        }
 
         INIT_HLIST_NODE(&gw_node->list);
         gw_node->orig_node = orig_node;
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index b851cc580853..fbda6b54baff 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -83,7 +83,7 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
                 return true;
 
         /* no more parents..stop recursion */
-        if (net_dev->iflink == net_dev->ifindex)
+        if (net_dev->iflink == 0 || net_dev->iflink == net_dev->ifindex)
                 return false;
 
         /* recurse over the parent device */
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index ffd9dfbd9b0e..6a484514cd3e 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -501,12 +501,17 @@ batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
 static void batadv_orig_ifinfo_free_rcu(struct rcu_head *rcu)
 {
         struct batadv_orig_ifinfo *orig_ifinfo;
+        struct batadv_neigh_node *router;
 
         orig_ifinfo = container_of(rcu, struct batadv_orig_ifinfo, rcu);
 
         if (orig_ifinfo->if_outgoing != BATADV_IF_DEFAULT)
                 batadv_hardif_free_ref_now(orig_ifinfo->if_outgoing);
 
+        /* this is the last reference to this object */
+        router = rcu_dereference_protected(orig_ifinfo->router, true);
+        if (router)
+                batadv_neigh_node_free_ref_now(router);
         kfree(orig_ifinfo);
 }
 
@@ -702,6 +707,47 @@ free_orig_node:
 }
 
 /**
+ * batadv_purge_neigh_ifinfo - purge obsolete ifinfo entries from neighbor
+ * @bat_priv: the bat priv with all the soft interface information
+ * @neigh: orig node which is to be checked
+ */
+static void
+batadv_purge_neigh_ifinfo(struct batadv_priv *bat_priv,
+                          struct batadv_neigh_node *neigh)
+{
+        struct batadv_neigh_ifinfo *neigh_ifinfo;
+        struct batadv_hard_iface *if_outgoing;
+        struct hlist_node *node_tmp;
+
+        spin_lock_bh(&neigh->ifinfo_lock);
+
+        /* for all ifinfo objects for this neighinator */
+        hlist_for_each_entry_safe(neigh_ifinfo, node_tmp,
+                                  &neigh->ifinfo_list, list) {
+                if_outgoing = neigh_ifinfo->if_outgoing;
+
+                /* always keep the default interface */
+                if (if_outgoing == BATADV_IF_DEFAULT)
+                        continue;
+
+                /* don't purge if the interface is not (going) down */
+                if ((if_outgoing->if_status != BATADV_IF_INACTIVE) &&
+                    (if_outgoing->if_status != BATADV_IF_NOT_IN_USE) &&
+                    (if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED))
+                        continue;
+
+                batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+                           "neighbor/ifinfo purge: neighbor %pM, iface: %s\n",
+                           neigh->addr, if_outgoing->net_dev->name);
+
+                hlist_del_rcu(&neigh_ifinfo->list);
+                batadv_neigh_ifinfo_free_ref(neigh_ifinfo);
+        }
+
+        spin_unlock_bh(&neigh->ifinfo_lock);
+}
+
+/**
  * batadv_purge_orig_ifinfo - purge obsolete ifinfo entries from originator
  * @bat_priv: the bat priv with all the soft interface information
  * @orig_node: orig node which is to be checked
@@ -800,6 +846,11 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
 
                         hlist_del_rcu(&neigh_node->list);
                         batadv_neigh_node_free_ref(neigh_node);
+                } else {
+                        /* only necessary if not the whole neighbor is to be
+                         * deleted, but some interface has been removed.
+                         */
+                        batadv_purge_neigh_ifinfo(bat_priv, neigh_node);
                 }
         }
 
@@ -857,7 +908,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
 {
         struct batadv_neigh_node *best_neigh_node;
         struct batadv_hard_iface *hard_iface;
-        bool changed;
+        bool changed_ifinfo, changed_neigh;
 
         if (batadv_has_timed_out(orig_node->last_seen,
                                  2 * BATADV_PURGE_TIMEOUT)) {
@@ -867,10 +918,10 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
                            jiffies_to_msecs(orig_node->last_seen));
                 return true;
         }
-        changed = batadv_purge_orig_ifinfo(bat_priv, orig_node);
-        changed = changed || batadv_purge_orig_neighbors(bat_priv, orig_node);
+        changed_ifinfo = batadv_purge_orig_ifinfo(bat_priv, orig_node);
+        changed_neigh = batadv_purge_orig_neighbors(bat_priv, orig_node);
 
-        if (!changed)
+        if (!changed_ifinfo && !changed_neigh)
                 return false;
 
         /* first for NULL ... */
@@ -1028,7 +1079,8 @@ int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset)
         bat_priv->bat_algo_ops->bat_orig_print(bat_priv, seq, hard_iface);
 
 out:
-        batadv_hardif_free_ref(hard_iface);
+        if (hard_iface)
+                batadv_hardif_free_ref(hard_iface);
         return 0;
 }
 
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 80e1b0f60a30..2acf7fa1fec6 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -859,12 +859,12 @@ static unsigned int br_nf_forward_arp(const struct nf_hook_ops *ops,
         return NF_STOLEN;
 }
 
-#if IS_ENABLED(CONFIG_NF_CONNTRACK_IPV4)
+#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4)
 static int br_nf_dev_queue_xmit(struct sk_buff *skb)
 {
         int ret;
 
-        if (skb->nfct != NULL && skb->protocol == htons(ETH_P_IP) &&
+        if (skb->protocol == htons(ETH_P_IP) &&
             skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu &&
             !skb_is_gso(skb)) {
                 if (br_parse_ip_options(skb))
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index dac7f9b98687..1948d592aa54 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -557,7 +557,7 @@ static int ceph_tcp_sendmsg(struct socket *sock, struct kvec *iov,
         return r;
 }
 
-static int ceph_tcp_sendpage(struct socket *sock, struct page *page,
+static int __ceph_tcp_sendpage(struct socket *sock, struct page *page,
                      int offset, size_t size, bool more)
 {
         int flags = MSG_DONTWAIT | MSG_NOSIGNAL | (more ? MSG_MORE : MSG_EOR);
@@ -570,6 +570,24 @@ static int ceph_tcp_sendpage(struct socket *sock, struct page *page,
         return ret;
 }
 
+static int ceph_tcp_sendpage(struct socket *sock, struct page *page,
+                     int offset, size_t size, bool more)
+{
+        int ret;
+        struct kvec iov;
+
+        /* sendpage cannot properly handle pages with page_count == 0,
+         * we need to fallback to sendmsg if that's the case */
+        if (page_count(page) >= 1)
+                return __ceph_tcp_sendpage(sock, page, offset, size, more);
+
+        iov.iov_base = kmap(page) + offset;
+        iov.iov_len = size;
+        ret = ceph_tcp_sendmsg(sock, &iov, 1, size, more);
+        kunmap(page);
+
+        return ret;
+}
 
 /*
  * Shutdown/close the socket for the given connection.
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 8b8a5a24b223..c547e46084d3 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -329,6 +329,11 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
         dout("crush decode tunable chooseleaf_descend_once = %d",
              c->chooseleaf_descend_once);
 
+        ceph_decode_need(p, end, sizeof(u8), done);
+        c->chooseleaf_vary_r = ceph_decode_8(p);
+        dout("crush decode tunable chooseleaf_vary_r = %d",
+             c->chooseleaf_vary_r);
+
 done:
         dout("crush_decode success\n");
         return c;
diff --git a/net/core/dev.c b/net/core/dev.c
index d2c8a06b3a98..9abc503b19b7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2418,7 +2418,7 @@ EXPORT_SYMBOL(netdev_rx_csum_fault);
  * 2. No high memory really exists on this machine.
  */
 
-static int illegal_highdma(const struct net_device *dev, struct sk_buff *skb)
+static int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
 {
 #ifdef CONFIG_HIGHMEM
         int i;
@@ -2493,38 +2493,36 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features)
 }
 
 static netdev_features_t harmonize_features(struct sk_buff *skb,
-                                            const struct net_device *dev,
-                                            netdev_features_t features)
+        netdev_features_t features)
 {
         int tmp;
 
         if (skb->ip_summed != CHECKSUM_NONE &&
             !can_checksum_protocol(features, skb_network_protocol(skb, &tmp))) {
                 features &= ~NETIF_F_ALL_CSUM;
-        } else if (illegal_highdma(dev, skb)) {
+        } else if (illegal_highdma(skb->dev, skb)) {
                 features &= ~NETIF_F_SG;
         }
 
         return features;
 }
 
-netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
-                                         const struct net_device *dev)
+netdev_features_t netif_skb_features(struct sk_buff *skb)
 {
         __be16 protocol = skb->protocol;
-        netdev_features_t features = dev->features;
+        netdev_features_t features = skb->dev->features;
 
-        if (skb_shinfo(skb)->gso_segs > dev->gso_max_segs)
+        if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs)
                 features &= ~NETIF_F_GSO_MASK;
 
         if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) {
                 struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
                 protocol = veh->h_vlan_encapsulated_proto;
         } else if (!vlan_tx_tag_present(skb)) {
-                return harmonize_features(skb, dev, features);
+                return harmonize_features(skb, features);
         }
 
-        features &= (dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
+        features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
                                                NETIF_F_HW_VLAN_STAG_TX);
 
         if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD))
@@ -2532,9 +2530,9 @@ netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
                                 NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
                                 NETIF_F_HW_VLAN_STAG_TX;
 
-        return harmonize_features(skb, dev, features);
+        return harmonize_features(skb, features);
 }
-EXPORT_SYMBOL(netif_skb_dev_features);
+EXPORT_SYMBOL(netif_skb_features);
 
 int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
                         struct netdev_queue *txq)
@@ -3953,6 +3951,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
         }
         NAPI_GRO_CB(skb)->count = 1;
         NAPI_GRO_CB(skb)->age = jiffies;
+        NAPI_GRO_CB(skb)->last = skb;
         skb_shinfo(skb)->gso_size = skb_gro_len(skb);
         skb->next = napi->gro_list;
         napi->gro_list = skb;
@@ -4543,6 +4542,32 @@ void *netdev_adjacent_get_private(struct list_head *adj_list)
 EXPORT_SYMBOL(netdev_adjacent_get_private);
 
 /**
+ * netdev_upper_get_next_dev_rcu - Get the next dev from upper list
+ * @dev: device
+ * @iter: list_head ** of the current position
+ *
+ * Gets the next device from the dev's upper list, starting from iter
+ * position. The caller must hold RCU read lock.
+ */
+struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
+                                                 struct list_head **iter)
+{
+        struct netdev_adjacent *upper;
+
+        WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_rtnl_is_held());
+
+        upper = list_entry_rcu((*iter)->next, struct netdev_adjacent, list);
+
+        if (&upper->list == &dev->adj_list.upper)
+                return NULL;
+
+        *iter = &upper->list;
+
+        return upper->dev;
+}
+EXPORT_SYMBOL(netdev_upper_get_next_dev_rcu);
+
+/**
  * netdev_all_upper_get_next_dev_rcu - Get the next dev from upper list
  * @dev: device
  * @iter: list_head ** of the current position
@@ -4624,6 +4649,32 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
 EXPORT_SYMBOL(netdev_lower_get_next_private_rcu);
 
 /**
+ * netdev_lower_get_next - Get the next device from the lower neighbour
+ *                         list
+ * @dev: device
+ * @iter: list_head ** of the current position
+ *
+ * Gets the next netdev_adjacent from the dev's lower neighbour
+ * list, starting from iter position. The caller must hold RTNL lock or
+ * its own locking that guarantees that the neighbour lower
+ * list will remain unchainged.
+ */
+void *netdev_lower_get_next(struct net_device *dev, struct list_head **iter)
+{
+        struct netdev_adjacent *lower;
+
+        lower = list_entry((*iter)->next, struct netdev_adjacent, list);
+
+        if (&lower->list == &dev->adj_list.lower)
+                return NULL;
+
+        *iter = &lower->list;
+
+        return lower->dev;
+}
+EXPORT_SYMBOL(netdev_lower_get_next);
+
+/**
  * netdev_lower_get_first_private_rcu - Get the first ->private from the
  *                                     lower neighbour list, RCU
  *                                     variant
@@ -5073,6 +5124,30 @@ void *netdev_lower_dev_get_private(struct net_device *dev,
 }
 EXPORT_SYMBOL(netdev_lower_dev_get_private);
 
+
+int dev_get_nest_level(struct net_device *dev,
+                       bool (*type_check)(struct net_device *dev))
+{
+        struct net_device *lower = NULL;
+        struct list_head *iter;
+        int max_nest = -1;
+        int nest;
+
+        ASSERT_RTNL();
+
+        netdev_for_each_lower_dev(dev, lower, iter) {
+                nest = dev_get_nest_level(lower, type_check);
+                if (max_nest < nest)
+                        max_nest = nest;
+        }
+
+        if (type_check(dev))
+                max_nest++;
+
+        return max_nest;
+}
+EXPORT_SYMBOL(dev_get_nest_level);
+
 static void dev_change_rx_flags(struct net_device *dev, int flags)
 {
         const struct net_device_ops *ops = dev->netdev_ops;
@@ -5238,7 +5313,6 @@ void __dev_set_rx_mode(struct net_device *dev)
         if (ops->ndo_set_rx_mode)
                 ops->ndo_set_rx_mode(dev);
 }
-EXPORT_SYMBOL(__dev_set_rx_mode);
 
 void dev_set_rx_mode(struct net_device *dev)
 {
@@ -5543,7 +5617,7 @@ static int dev_new_index(struct net *net)
 
 /* Delayed registration/unregisteration */
 static LIST_HEAD(net_todo_list);
-static DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq);
+DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq);
 
 static void net_set_todo(struct net_device *dev)
 {
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 8f8a96ef9f3f..32d872eec7f5 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1248,8 +1248,8 @@ void __neigh_set_probe_once(struct neighbour *neigh)
         neigh->updated = jiffies;
         if (!(neigh->nud_state & NUD_FAILED))
                 return;
-        neigh->nud_state = NUD_PROBE;
-        atomic_set(&neigh->probes, NEIGH_VAR(neigh->parms, UCAST_PROBES));
+        neigh->nud_state = NUD_INCOMPLETE;
+        atomic_set(&neigh->probes, neigh_max_probes(neigh));
         neigh_add_timer(neigh,
                         jiffies + NEIGH_VAR(neigh->parms, RETRANS_TIME));
 }
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 81d3a9a08453..7c8ffd974961 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -24,7 +24,7 @@
 
 static LIST_HEAD(pernet_list);
 static struct list_head *first_device = &pernet_list;
-static DEFINE_MUTEX(net_mutex);
+DEFINE_MUTEX(net_mutex);
 
 LIST_HEAD(net_namespace_list);
 EXPORT_SYMBOL_GPL(net_namespace_list);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 9837bebf93ce..2d8d8fcfa060 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -353,15 +353,46 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops)
 }
 EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
 
+/* Return with the rtnl_lock held when there are no network
+ * devices unregistering in any network namespace.
+ */
+static void rtnl_lock_unregistering_all(void)
+{
+        struct net *net;
+        bool unregistering;
+        DEFINE_WAIT(wait);
+
+        for (;;) {
+                prepare_to_wait(&netdev_unregistering_wq, &wait,
+                                TASK_UNINTERRUPTIBLE);
+                unregistering = false;
+                rtnl_lock();
+                for_each_net(net) {
+                        if (net->dev_unreg_count > 0) {
+                                unregistering = true;
+                                break;
+                        }
+                }
+                if (!unregistering)
+                        break;
+                __rtnl_unlock();
+                schedule();
+        }
+        finish_wait(&netdev_unregistering_wq, &wait);
+}
+
 /**
  * rtnl_link_unregister - Unregister rtnl_link_ops from rtnetlink.
  * @ops: struct rtnl_link_ops * to unregister
  */
 void rtnl_link_unregister(struct rtnl_link_ops *ops)
 {
-        rtnl_lock();
+        /* Close the race with cleanup_net() */
+        mutex_lock(&net_mutex);
+        rtnl_lock_unregistering_all();
         __rtnl_link_unregister(ops);
         rtnl_unlock();
+        mutex_unlock(&net_mutex);
 }
 EXPORT_SYMBOL_GPL(rtnl_link_unregister);
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 1b62343f5837..8383b2bddeb9 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3076,7 +3076,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
         if (unlikely(p->len + len >= 65536))
                 return -E2BIG;
 
-        lp = NAPI_GRO_CB(p)->last ?: p;
+        lp = NAPI_GRO_CB(p)->last;
         pinfo = skb_shinfo(lp);
 
         if (headlen <= offset) {
@@ -3192,7 +3192,7 @@ merge:
 
         __skb_pull(skb, offset);
 
-        if (!NAPI_GRO_CB(p)->last)
+        if (NAPI_GRO_CB(p)->last == p)
                 skb_shinfo(p)->frag_list = skb;
         else
                 NAPI_GRO_CB(p)->last->next = skb;
diff --git a/net/core/utils.c b/net/core/utils.c
index 2f737bf90b3f..eed34338736c 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -348,8 +348,8 @@ static void __net_random_once_deferred(struct work_struct *w)
 {
         struct __net_random_once_work *work =
                 container_of(w, struct __net_random_once_work, work);
-        if (!static_key_enabled(work->key))
-                static_key_slow_inc(work->key);
+        BUG_ON(!static_key_enabled(work->key));
+        static_key_slow_dec(work->key);
         kfree(work);
 }
 
@@ -367,7 +367,7 @@ static void __net_random_once_disable_jump(struct static_key *key)
 }
 
 bool __net_get_random_once(void *buf, int nbytes, bool *done,
-                           struct static_key *done_key)
+                           struct static_key *once_key)
 {
         static DEFINE_SPINLOCK(lock);
         unsigned long flags;
@@ -382,7 +382,7 @@ bool __net_get_random_once(void *buf, int nbytes, bool *done,
         *done = true;
         spin_unlock_irqrestore(&lock, flags);
 
-        __net_random_once_disable_jump(done_key);
+        __net_random_once_disable_jump(once_key);
 
         return true;
 }
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 0eb5d5e76dfb..5db37cef50a9 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -406,8 +406,9 @@ static int dsa_of_probe(struct platform_device *pdev)
                 goto out_free;
         }
 
-        chip_index = 0;
+        chip_index = -1;
         for_each_available_child_of_node(np, child) {
+                chip_index++;
                 cd = &pd->chip[chip_index];
 
                 cd->mii_bus = &mdio_bus->dev;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 8c54870db792..6d6dd345bc4d 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1650,6 +1650,39 @@ static int __init init_ipv4_mibs(void)
         return register_pernet_subsys(&ipv4_mib_ops);
 }
 
+static __net_init int inet_init_net(struct net *net)
+{
+        /*
+         * Set defaults for local port range
+         */
+        seqlock_init(&net->ipv4.ip_local_ports.lock);
+        net->ipv4.ip_local_ports.range[0] =  32768;
+        net->ipv4.ip_local_ports.range[1] =  61000;
+
+        seqlock_init(&net->ipv4.ping_group_range.lock);
+        /*
+         * Sane defaults - nobody may create ping sockets.
+         * Boot scripts should set this to distro-specific group.
+         */
+        net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 1);
+        net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 0);
+        return 0;
+}
+
+static __net_exit void inet_exit_net(struct net *net)
+{
+}
+
+static __net_initdata struct pernet_operations af_inet_ops = {
+        .init = inet_init_net,
+        .exit = inet_exit_net,
+};
+
+static int __init init_inet_pernet_ops(void)
+{
+        return register_pernet_subsys(&af_inet_ops);
+}
+
 static int ipv4_proc_init(void);
 
 /*
@@ -1794,6 +1827,9 @@ static int __init inet_init(void)
         if (ip_mr_init())
                 pr_crit("%s: Cannot init ipv4 mroute\n", __func__);
 #endif
+
+        if (init_inet_pernet_ops())
+                pr_crit("%s: Cannot init ipv4 inet pernet ops\n", __func__);
         /*
          *      Initialise per-cpu ipv4 mibs
          */
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 8a043f03c88e..b10cd43a4722 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -821,13 +821,13 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
         fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
         if (fi == NULL)
                 goto failure;
+        fib_info_cnt++;
         if (cfg->fc_mx) {
                 fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
                 if (!fi->fib_metrics)
                         goto failure;
         } else
                 fi->fib_metrics = (u32 *) dst_default_metrics;
-        fib_info_cnt++;
 
         fi->fib_net = hold_net(net);
         fi->fib_protocol = cfg->fc_protocol;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 0d1e2cb877ec..a56b8e6e866a 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -37,11 +37,11 @@ void inet_get_local_port_range(struct net *net, int *low, int *high)
         unsigned int seq;
 
         do {
-                seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
+                seq = read_seqbegin(&net->ipv4.ip_local_ports.lock);
 
-                *low = net->ipv4.sysctl_local_ports.range[0];
-                *high = net->ipv4.sysctl_local_ports.range[1];
-        } while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
+                *low = net->ipv4.ip_local_ports.range[0];
+                *high = net->ipv4.ip_local_ports.range[1];
+        } while (read_seqretry(&net->ipv4.ip_local_ports.lock, seq));
 }
 EXPORT_SYMBOL(inet_get_local_port_range);
 
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index be8abe73bb9f..6f111e48e11c 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -42,12 +42,12 @@
 static bool ip_may_fragment(const struct sk_buff *skb)
 {
         return unlikely((ip_hdr(skb)->frag_off & htons(IP_DF)) == 0) ||
-               !skb->local_df;
+                skb->local_df;
 }
 
 static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
 {
-        if (skb->len <= mtu || skb->local_df)
+        if (skb->len <= mtu)
                 return false;
 
         if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu)
@@ -56,53 +56,6 @@ static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
         return true;
 }
 
-static bool ip_gso_exceeds_dst_mtu(const struct sk_buff *skb)
-{
-        unsigned int mtu;
-
-        if (skb->local_df || !skb_is_gso(skb))
-                return false;
-
-        mtu = ip_dst_mtu_maybe_forward(skb_dst(skb), true);
-
-        /* if seglen > mtu, do software segmentation for IP fragmentation on
-         * output.  DF bit cannot be set since ip_forward would have sent
-         * icmp error.
-         */
-        return skb_gso_network_seglen(skb) > mtu;
-}
-
-/* called if GSO skb needs to be fragmented on forward */
-static int ip_forward_finish_gso(struct sk_buff *skb)
-{
-        struct dst_entry *dst = skb_dst(skb);
-        netdev_features_t features;
-        struct sk_buff *segs;
-        int ret = 0;
-
-        features = netif_skb_dev_features(skb, dst->dev);
-        segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
-        if (IS_ERR(segs)) {
-                kfree_skb(skb);
-                return -ENOMEM;
-        }
-
-        consume_skb(skb);
-
-        do {
-                struct sk_buff *nskb = segs->next;
-                int err;
-
-                segs->next = NULL;
-                err = dst_output(segs);
-
-                if (err && ret == 0)
-                        ret = err;
-                segs = nskb;
-        } while (segs);
-
-        return ret;
-}
 
 static int ip_forward_finish(struct sk_buff *skb)
 {
@@ -114,9 +67,6 @@ static int ip_forward_finish(struct sk_buff *skb)
         if (unlikely(opt->optlen))
                 ip_forward_options(skb);
 
-        if (ip_gso_exceeds_dst_mtu(skb))
-                return ip_forward_finish_gso(skb);
-
         return dst_output(skb);
 }
 
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index c10a3ce5cbff..ed32313e307c 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -232,8 +232,9 @@ static void ip_expire(unsigned long arg)
                  * "Fragment Reassembly Timeout" message, per RFC792.
                  */
                 if (qp->user == IP_DEFRAG_AF_PACKET ||
-                    (qp->user == IP_DEFRAG_CONNTRACK_IN &&
-                     skb_rtable(head)->rt_type != RTN_LOCAL))
+                    ((qp->user >= IP_DEFRAG_CONNTRACK_IN) &&
+                     (qp->user <= __IP_DEFRAG_CONNTRACK_IN_END) &&
+                     (skb_rtable(head)->rt_type != RTN_LOCAL)))
                         goto out_rcu_unlock;
 
 
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 1cbeba5edff9..a52f50187b54 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -211,6 +211,48 @@ static inline int ip_finish_output2(struct sk_buff *skb)
         return -EINVAL;
 }
 
+static int ip_finish_output_gso(struct sk_buff *skb)
+{
+        netdev_features_t features;
+        struct sk_buff *segs;
+        int ret = 0;
+
+        /* common case: locally created skb or seglen is <= mtu */
+        if (((IPCB(skb)->flags & IPSKB_FORWARDED) == 0) ||
+              skb_gso_network_seglen(skb) <= ip_skb_dst_mtu(skb))
+                return ip_finish_output2(skb);
+
+        /* Slowpath -  GSO segment length is exceeding the dst MTU.
+         *
+         * This can happen in two cases:
+         * 1) TCP GRO packet, DF bit not set
+         * 2) skb arrived via virtio-net, we thus get TSO/GSO skbs directly
+         * from host network stack.
+         */
+        features = netif_skb_features(skb);
+        segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
+        if (IS_ERR(segs)) {
+                kfree_skb(skb);
+                return -ENOMEM;
+        }
+
+        consume_skb(skb);
+
+        do {
+                struct sk_buff *nskb = segs->next;
+                int err;
+
+                segs->next = NULL;
+                err = ip_fragment(segs, ip_finish_output2);
+
+                if (err && ret == 0)
+                        ret = err;
+                segs = nskb;
+        } while (segs);
+
+        return ret;
+}
+
 static int ip_finish_output(struct sk_buff *skb)
 {
 #if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM)
@@ -220,10 +262,13 @@ static int ip_finish_output(struct sk_buff *skb)
                 return dst_output(skb);
         }
 #endif
-        if (skb->len > ip_skb_dst_mtu(skb) && !skb_is_gso(skb))
+        if (skb_is_gso(skb))
+                return ip_finish_output_gso(skb);
+
+        if (skb->len > ip_skb_dst_mtu(skb))
                 return ip_fragment(skb, ip_finish_output2);
-        else
-                return ip_finish_output2(skb);
+
+        return ip_finish_output2(skb);
 }
 
 int ip_mc_output(struct sock *sk, struct sk_buff *skb)
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index b3f859731c60..2acc2337d38b 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -540,9 +540,10 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
         unsigned int max_headroom;      /* The extra header space needed */
         __be32 dst;
         int err;
-        bool connected = true;
+        bool connected;
 
         inner_iph = (const struct iphdr *)skb_inner_network_header(skb);
+        connected = (tunnel->parms.iph.daddr != 0);
 
         dst = tnl_params->daddr;
         if (dst == 0) {
@@ -882,6 +883,7 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
          */
         if (!IS_ERR(itn->fb_tunnel_dev)) {
                 itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
+                itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);
                 ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));
         }
         rtnl_unlock();
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index afcee51b90ed..13ef00f1e17b 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -239,6 +239,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 static int vti4_err(struct sk_buff *skb, u32 info)
 {
         __be32 spi;
+        __u32 mark;
         struct xfrm_state *x;
         struct ip_tunnel *tunnel;
         struct ip_esp_hdr *esph;
@@ -254,6 +255,8 @@ static int vti4_err(struct sk_buff *skb, u32 info)
         if (!tunnel)
                 return -1;
 
+        mark = be32_to_cpu(tunnel->parms.o_key);
+
         switch (protocol) {
         case IPPROTO_ESP:
                 esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));
@@ -281,7 +284,7 @@ static int vti4_err(struct sk_buff *skb, u32 info)
                 return 0;
         }
 
-        x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+        x = xfrm_state_lookup(net, mark, (const xfrm_address_t *)&iph->daddr,
                               spi, protocol, AF_INET);
         if (!x)
                 return 0;
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
index 12e13bd82b5b..f40f321b41fc 100644
--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
+++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
@@ -22,7 +22,6 @@
 #endif
 #include <net/netfilter/nf_conntrack_zones.h>
 
-/* Returns new sk_buff, or NULL */
 static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
 {
         int err;
@@ -33,8 +32,10 @@ static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
         err = ip_defrag(skb, user);
         local_bh_enable();
 
-        if (!err)
+        if (!err) {
                 ip_send_check(ip_hdr(skb));
+                skb->local_df = 1;
+        }
 
         return err;
 }
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 8210964a9f19..044a0ddf6a79 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -236,15 +236,15 @@ exit:
 static void inet_get_ping_group_range_net(struct net *net, kgid_t *low,
                                           kgid_t *high)
 {
-        kgid_t *data = net->ipv4.sysctl_ping_group_range;
+        kgid_t *data = net->ipv4.ping_group_range.range;
         unsigned int seq;
 
         do {
-                seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
+                seq = read_seqbegin(&net->ipv4.ping_group_range.lock);
 
                 *low = data[0];
                 *high = data[1];
-        } while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
+        } while (read_seqretry(&net->ipv4.ping_group_range.lock, seq));
 }
 
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index db1e0da871f4..5e676be3daeb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1519,7 +1519,7 @@ static int __mkroute_input(struct sk_buff *skb,
         struct in_device *out_dev;
         unsigned int flags = 0;
         bool do_cache;
-        u32 itag;
+        u32 itag = 0;
 
         /* get a working reference to the output device */
         out_dev = __in_dev_get_rcu(FIB_RES_DEV(*res));
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 44eba052b43d..5cde8f263d40 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -45,10 +45,10 @@ static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX };
 /* Update system visible IP port range */
 static void set_local_port_range(struct net *net, int range[2])
 {
-        write_seqlock(&net->ipv4.sysctl_local_ports.lock);
-        net->ipv4.sysctl_local_ports.range[0] = range[0];
-        net->ipv4.sysctl_local_ports.range[1] = range[1];
-        write_sequnlock(&net->ipv4.sysctl_local_ports.lock);
+        write_seqlock(&net->ipv4.ip_local_ports.lock);
+        net->ipv4.ip_local_ports.range[0] = range[0];
+        net->ipv4.ip_local_ports.range[1] = range[1];
+        write_sequnlock(&net->ipv4.ip_local_ports.lock);
 }
 
 /* Validate changes from /proc interface. */
@@ -57,7 +57,7 @@ static int ipv4_local_port_range(struct ctl_table *table, int write,
                                  size_t *lenp, loff_t *ppos)
 {
         struct net *net =
-                container_of(table->data, struct net, ipv4.sysctl_local_ports.range);
+                container_of(table->data, struct net, ipv4.ip_local_ports.range);
         int ret;
         int range[2];
         struct ctl_table tmp = {
@@ -87,14 +87,14 @@ static void inet_get_ping_group_range_table(struct ctl_table *table, kgid_t *low
 {
         kgid_t *data = table->data;
         struct net *net =
-                container_of(table->data, struct net, ipv4.sysctl_ping_group_range);
+                container_of(table->data, struct net, ipv4.ping_group_range.range);
         unsigned int seq;
         do {
-                seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
+                seq = read_seqbegin(&net->ipv4.ip_local_ports.lock);
 
                 *low = data[0];
                 *high = data[1];
-        } while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
+        } while (read_seqretry(&net->ipv4.ip_local_ports.lock, seq));
 }
 
 /* Update system visible IP port range */
@@ -102,11 +102,11 @@ static void set_ping_group_range(struct ctl_table *table, kgid_t low, kgid_t hig
 {
         kgid_t *data = table->data;
         struct net *net =
-                container_of(table->data, struct net, ipv4.sysctl_ping_group_range);
-        write_seqlock(&net->ipv4.sysctl_local_ports.lock);
+                container_of(table->data, struct net, ipv4.ping_group_range.range);
+        write_seqlock(&net->ipv4.ip_local_ports.lock);
         data[0] = low;
         data[1] = high;
-        write_sequnlock(&net->ipv4.sysctl_local_ports.lock);
+        write_sequnlock(&net->ipv4.ip_local_ports.lock);
 }
 
 /* Validate changes from /proc interface. */
@@ -805,7 +805,7 @@ static struct ctl_table ipv4_net_table[] = {
         },
         {
                 .procname       = "ping_group_range",
-                .data           = &init_net.ipv4.sysctl_ping_group_range,
+                .data           = &init_net.ipv4.ping_group_range.range,
                 .maxlen         = sizeof(gid_t)*2,
                 .mode           = 0644,
                 .proc_handler   = ipv4_ping_group_range,
@@ -819,8 +819,8 @@ static struct ctl_table ipv4_net_table[] = {
         },
         {
                 .procname       = "ip_local_port_range",
-                .maxlen         = sizeof(init_net.ipv4.sysctl_local_ports.range),
-                .data           = &init_net.ipv4.sysctl_local_ports.range,
+                .maxlen         = sizeof(init_net.ipv4.ip_local_ports.range),
+                .data           = &init_net.ipv4.ip_local_ports.range,
                 .mode           = 0644,
                 .proc_handler   = ipv4_local_port_range,
         },
@@ -858,20 +858,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
                         table[i].data += (void *)net - (void *)&init_net;
         }
 
-        /*
-         * Sane defaults - nobody may create ping sockets.
-         * Boot scripts should set this to distro-specific group.
-         */
-        net->ipv4.sysctl_ping_group_range[0] = make_kgid(&init_user_ns, 1);
-        net->ipv4.sysctl_ping_group_range[1] = make_kgid(&init_user_ns, 0);
-
-        /*
-         * Set defaults for local port range
-         */
-        seqlock_init(&net->ipv4.sysctl_local_ports.lock);
-        net->ipv4.sysctl_local_ports.range[0] =  32768;
-        net->ipv4.sysctl_local_ports.range[1] =  61000;
-
         net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table);
         if (net->ipv4.ipv4_hdr == NULL)
                 goto err_reg;
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 40e701f2e1e0..186a8ecf92fa 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -62,10 +62,7 @@ int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
         if (err)
                 return err;
 
-        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
-        IPCB(skb)->flags |= IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED;
-
-        skb->protocol = htons(ETH_P_IP);
+        IPCB(skb)->flags |= IPSKB_XFRM_TUNNEL_SIZE;
 
         return x->outer_mode->output2(x, skb);
 }
@@ -73,27 +70,34 @@ EXPORT_SYMBOL(xfrm4_prepare_output);
 
 int xfrm4_output_finish(struct sk_buff *skb)
 {
+        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+        skb->protocol = htons(ETH_P_IP);
+
+#ifdef CONFIG_NETFILTER
+        IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
+#endif
+
+        return xfrm_output(skb);
+}
+
+static int __xfrm4_output(struct sk_buff *skb)
+{
+        struct xfrm_state *x = skb_dst(skb)->xfrm;
+
 #ifdef CONFIG_NETFILTER
-        if (!skb_dst(skb)->xfrm) {
+        if (!x) {
                 IPCB(skb)->flags |= IPSKB_REROUTED;
                 return dst_output(skb);
         }
-
-        IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
 #endif
 
-        skb->protocol = htons(ETH_P_IP);
-        return xfrm_output(skb);
+        return x->outer_mode->afinfo->output_finish(skb);
 }
 
 int xfrm4_output(struct sock *sk, struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb_dst(skb);
-        struct xfrm_state *x = dst->xfrm;
-
         return NF_HOOK_COND(NFPROTO_IPV4, NF_INET_POST_ROUTING, skb,
-                            NULL, dst->dev,
-                            x->outer_mode->afinfo->output_finish,
+                            NULL, skb_dst(skb)->dev, __xfrm4_output,
                             !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
 
diff --git a/net/ipv4/xfrm4_protocol.c b/net/ipv4/xfrm4_protocol.c
index 7f7b243e8139..a2ce0101eaac 100644
--- a/net/ipv4/xfrm4_protocol.c
+++ b/net/ipv4/xfrm4_protocol.c
@@ -50,8 +50,12 @@ int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 {
         int ret;
         struct xfrm4_protocol *handler;
+        struct xfrm4_protocol __rcu **head = proto_handlers(protocol);
 
-        for_each_protocol_rcu(*proto_handlers(protocol), handler)
+        if (!head)
+                return 0;
+
+        for_each_protocol_rcu(*head, handler)
                 if ((ret = handler->cb_handler(skb, err)) <= 0)
                         return ret;
 
@@ -64,15 +68,20 @@ int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
 {
         int ret;
         struct xfrm4_protocol *handler;
+        struct xfrm4_protocol __rcu **head = proto_handlers(nexthdr);
 
         XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = NULL;
         XFRM_SPI_SKB_CB(skb)->family = AF_INET;
         XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr);
 
-        for_each_protocol_rcu(*proto_handlers(nexthdr), handler)
+        if (!head)
+                goto out;
+
+        for_each_protocol_rcu(*head, handler)
                 if ((ret = handler->input_handler(skb, nexthdr, spi, encap_type)) != -EINVAL)
                         return ret;
 
+out:
         icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
 
         kfree_skb(skb);
@@ -208,6 +217,9 @@ int xfrm4_protocol_register(struct xfrm4_protocol *handler,
         int ret = -EEXIST;
         int priority = handler->priority;
 
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
+
         mutex_lock(&xfrm4_protocol_mutex);
 
         if (!rcu_dereference_protected(*proto_handlers(protocol),
@@ -250,6 +262,9 @@ int xfrm4_protocol_deregister(struct xfrm4_protocol *handler,
         struct xfrm4_protocol *t;
         int ret = -ENOENT;
 
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
+
         mutex_lock(&xfrm4_protocol_mutex);
 
         for (pprev = proto_handlers(protocol);
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 59f95affceb0..b2f091566f88 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -196,7 +196,6 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
         unsigned int off;
         u16 flush = 1;
         int proto;
-        __wsum csum;
 
         off = skb_gro_offset(skb);
         hlen = off + sizeof(*iph);
@@ -264,13 +263,10 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
 
         NAPI_GRO_CB(skb)->flush |= flush;
 
-        csum = skb->csum;
-        skb_postpull_rcsum(skb, iph, skb_network_header_len(skb));
+        skb_gro_postpull_rcsum(skb, iph, nlen);
 
         pp = ops->callbacks.gro_receive(head, skb);
 
-        skb->csum = csum;
-
 out_unlock:
         rcu_read_unlock();
 
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 40e7581374f7..fbf11562b54c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -344,12 +344,16 @@ static unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)
 
 static bool ip6_pkt_too_big(const struct sk_buff *skb, unsigned int mtu)
 {
-        if (skb->len <= mtu || skb->local_df)
+        if (skb->len <= mtu)
                 return false;
 
+        /* ipv6 conntrack defrag sets max_frag_size + local_df */
         if (IP6CB(skb)->frag_max_size && IP6CB(skb)->frag_max_size > mtu)
                 return true;
 
+        if (skb->local_df)
+                return false;
+
         if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu)
                 return false;
 
@@ -1225,7 +1229,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
                 unsigned int maxnonfragsize, headersize;
 
                 headersize = sizeof(struct ipv6hdr) +
-                             (opt ? opt->tot_len : 0) +
+                             (opt ? opt->opt_flen + opt->opt_nflen : 0) +
                              (dst_allfrag(&rt->dst) ?
                               sizeof(struct frag_hdr) : 0) +
                              rt->rt6i_nfheader_len;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index b05b609f69d1..f6a66bb4114d 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1557,7 +1557,7 @@ static int ip6_tnl_validate(struct nlattr *tb[], struct nlattr *data[])
 {
         u8 proto;
 
-        if (!data)
+        if (!data || !data[IFLA_IPTUN_PROTO])
                 return 0;
 
         proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index b7c0f827140b..6cc9f9371cc5 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -511,6 +511,7 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                     u8 type, u8 code, int offset, __be32 info)
 {
         __be32 spi;
+        __u32 mark;
         struct xfrm_state *x;
         struct ip6_tnl *t;
         struct ip_esp_hdr *esph;
@@ -524,6 +525,8 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         if (!t)
                 return -1;
 
+        mark = be32_to_cpu(t->parms.o_key);
+
         switch (protocol) {
         case IPPROTO_ESP:
                 esph = (struct ip_esp_hdr *)(skb->data + offset);
@@ -545,7 +548,7 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
             type != NDISC_REDIRECT)
                 return 0;
 
-        x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+        x = xfrm_state_lookup(net, mark, (const xfrm_address_t *)&iph->daddr,
                               spi, protocol, AF_INET6);
         if (!x)
                 return 0;
@@ -1097,7 +1100,6 @@ static int __init vti6_tunnel_init(void)
 
         err = xfrm6_protocol_register(&vti_esp6_protocol, IPPROTO_ESP);
         if (err < 0) {
-                unregister_pernet_device(&vti6_net_ops);
                 pr_err("%s: can't register vti6 protocol\n", __func__);
 
                 goto out;
@@ -1106,7 +1108,6 @@ static int __init vti6_tunnel_init(void)
         err = xfrm6_protocol_register(&vti_ah6_protocol, IPPROTO_AH);
         if (err < 0) {
                 xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
-                unregister_pernet_device(&vti6_net_ops);
                 pr_err("%s: can't register vti6 protocol\n", __func__);
 
                 goto out;
@@ -1116,7 +1117,6 @@ static int __init vti6_tunnel_init(void)
         if (err < 0) {
                 xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
                 xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
-                unregister_pernet_device(&vti6_net_ops);
                 pr_err("%s: can't register vti6 protocol\n", __func__);
 
                 goto out;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 09a22f4f36c9..ca8d4ea48a5d 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -851,7 +851,7 @@ out:
 static void ndisc_recv_na(struct sk_buff *skb)
 {
         struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb);
-        const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
+        struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
         const struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
         u8 *lladdr = NULL;
         u32 ndoptlen = skb_tail_pointer(skb) - (skb_transport_header(skb) +
@@ -944,10 +944,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
                         /*
                          * Change: router to host
                          */
-                        struct rt6_info *rt;
-                        rt = rt6_get_dflt_router(saddr, dev);
-                        if (rt)
-                                ip6_del_rt(rt);
+                        rt6_clean_tohost(dev_net(dev),  saddr);
                 }
 
 out:
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 95f3f1da0d7f..d38e6a8d8b9f 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -30,13 +30,15 @@ int ip6_route_me_harder(struct sk_buff *skb)
                 .daddr = iph->daddr,
                 .saddr = iph->saddr,
         };
+        int err;
 
         dst = ip6_route_output(net, skb->sk, &fl6);
-        if (dst->error) {
+        err = dst->error;
+        if (err) {
                 IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
                 LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
                 dst_release(dst);
-                return dst->error;
+                return err;
         }
 
         /* Drop old route. */
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 004fffb6c221..6ebdb7b6744c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2234,6 +2234,27 @@ void rt6_remove_prefsrc(struct inet6_ifaddr *ifp)
         fib6_clean_all(net, fib6_remove_prefsrc, &adni);
 }
 
+#define RTF_RA_ROUTER           (RTF_ADDRCONF | RTF_DEFAULT | RTF_GATEWAY)
+#define RTF_CACHE_GATEWAY       (RTF_GATEWAY | RTF_CACHE)
+
+/* Remove routers and update dst entries when gateway turn into host. */
+static int fib6_clean_tohost(struct rt6_info *rt, void *arg)
+{
+        struct in6_addr *gateway = (struct in6_addr *)arg;
+
+        if ((((rt->rt6i_flags & RTF_RA_ROUTER) == RTF_RA_ROUTER) ||
+             ((rt->rt6i_flags & RTF_CACHE_GATEWAY) == RTF_CACHE_GATEWAY)) &&
+             ipv6_addr_equal(gateway, &rt->rt6i_gateway)) {
+                return -1;
+        }
+        return 0;
+}
+
+void rt6_clean_tohost(struct net *net, struct in6_addr *gateway)
+{
+        fib6_clean_all(net, fib6_clean_tohost, gateway);
+}
+
 struct arg_dev_net {
         struct net_device *dev;
         struct net *net;
@@ -2709,6 +2730,9 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh)
         if (tb[RTA_OIF])
                 oif = nla_get_u32(tb[RTA_OIF]);
 
+        if (tb[RTA_MARK])
+                fl6.flowi6_mark = nla_get_u32(tb[RTA_MARK]);
+
         if (iif) {
                 struct net_device *dev;
                 int flags = 0;
diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c
index 0d78132ff18a..8517d3cd1aed 100644
--- a/net/ipv6/tcpv6_offload.c
+++ b/net/ipv6/tcpv6_offload.c
@@ -42,7 +42,7 @@ static struct sk_buff **tcp6_gro_receive(struct sk_buff **head,
         if (NAPI_GRO_CB(skb)->flush)
                 goto skip_csum;
 
-        wsum = skb->csum;
+        wsum = NAPI_GRO_CB(skb)->csum;
 
         switch (skb->ip_summed) {
         case CHECKSUM_NONE:
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 19ef329bdbf8..b930d080c66f 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -114,12 +114,6 @@ int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
         if (err)
                 return err;
 
-        memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
-#ifdef CONFIG_NETFILTER
-        IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
-#endif
-
-        skb->protocol = htons(ETH_P_IPV6);
         skb->local_df = 1;
 
         return x->outer_mode->output2(x, skb);
@@ -128,11 +122,13 @@ EXPORT_SYMBOL(xfrm6_prepare_output);
 
 int xfrm6_output_finish(struct sk_buff *skb)
 {
+        memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+        skb->protocol = htons(ETH_P_IPV6);
+
 #ifdef CONFIG_NETFILTER
         IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
 #endif
 
-        skb->protocol = htons(ETH_P_IPV6);
         return xfrm_output(skb);
 }
 
@@ -142,6 +138,13 @@ static int __xfrm6_output(struct sk_buff *skb)
         struct xfrm_state *x = dst->xfrm;
         int mtu;
 
+#ifdef CONFIG_NETFILTER
+        if (!x) {
+                IP6CB(skb)->flags |= IP6SKB_REROUTED;
+                return dst_output(skb);
+        }
+#endif
+
         if (skb->protocol == htons(ETH_P_IPV6))
                 mtu = ip6_skb_dst_mtu(skb);
         else
@@ -165,6 +168,7 @@ static int __xfrm6_output(struct sk_buff *skb)
 
 int xfrm6_output(struct sock *sk, struct sk_buff *skb)
 {
-        return NF_HOOK(NFPROTO_IPV6, NF_INET_POST_ROUTING, skb, NULL,
-                       skb_dst(skb)->dev, __xfrm6_output);
+        return NF_HOOK_COND(NFPROTO_IPV6, NF_INET_POST_ROUTING, skb,
+                            NULL, skb_dst(skb)->dev, __xfrm6_output,
+                            !(IP6CB(skb)->flags & IP6SKB_REROUTED));
 }
diff --git a/net/ipv6/xfrm6_protocol.c b/net/ipv6/xfrm6_protocol.c
index 6ab989c486f7..54d13f8dbbae 100644
--- a/net/ipv6/xfrm6_protocol.c
+++ b/net/ipv6/xfrm6_protocol.c
@@ -50,6 +50,10 @@ int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 {
         int ret;
         struct xfrm6_protocol *handler;
+        struct xfrm6_protocol __rcu **head = proto_handlers(protocol);
+
+        if (!head)
+                return 0;
 
         for_each_protocol_rcu(*proto_handlers(protocol), handler)
                 if ((ret = handler->cb_handler(skb, err)) <= 0)
@@ -184,10 +188,12 @@ int xfrm6_protocol_register(struct xfrm6_protocol *handler,
         struct xfrm6_protocol __rcu **pprev;
         struct xfrm6_protocol *t;
         bool add_netproto = false;
-
         int ret = -EEXIST;
         int priority = handler->priority;
 
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
+
         mutex_lock(&xfrm6_protocol_mutex);
 
         if (!rcu_dereference_protected(*proto_handlers(protocol),
@@ -230,6 +236,9 @@ int xfrm6_protocol_deregister(struct xfrm6_protocol *handler,
         struct xfrm6_protocol *t;
         int ret = -ENOENT;
 
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
+
         mutex_lock(&xfrm6_protocol_mutex);
 
         for (pprev = proto_handlers(protocol);
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 01e77b0ae075..8c9d7302c846 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1830,7 +1830,7 @@ static void iucv_callback_txdone(struct iucv_path *path,
                 spin_lock_irqsave(&list->lock, flags);
 
                 while (list_skb != (struct sk_buff *)list) {
-                        if (msg->tag != IUCV_SKB_CB(list_skb)->tag) {
+                        if (msg->tag == IUCV_SKB_CB(list_skb)->tag) {
                                 this = list_skb;
                                 break;
                         }
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 222c28b75315..f169b6ee94ee 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -317,6 +317,7 @@ struct ieee80211_roc_work {
 
         bool started, abort, hw_begun, notified;
         bool to_be_freed;
+        bool on_channel;
 
         unsigned long hw_start_time;
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index dee50aefd6e8..27600a9808ba 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3598,18 +3598,24 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
 
         sdata_lock(sdata);
 
-        if (ifmgd->auth_data) {
+        if (ifmgd->auth_data || ifmgd->assoc_data) {
+                const u8 *bssid = ifmgd->auth_data ?
+                                ifmgd->auth_data->bss->bssid :
+                                ifmgd->assoc_data->bss->bssid;
+
                 /*
-                 * If we are trying to authenticate while suspending, cfg80211
-                 * won't know and won't actually abort those attempts, thus we
-                 * need to do that ourselves.
+                 * If we are trying to authenticate / associate while suspending,
+                 * cfg80211 won't know and won't actually abort those attempts,
+                 * thus we need to do that ourselves.
                  */
-                ieee80211_send_deauth_disassoc(sdata,
-                                               ifmgd->auth_data->bss->bssid,
+                ieee80211_send_deauth_disassoc(sdata, bssid,
                                                IEEE80211_STYPE_DEAUTH,
                                                WLAN_REASON_DEAUTH_LEAVING,
                                                false, frame_buf);
-                ieee80211_destroy_auth_data(sdata, false);
+                if (ifmgd->assoc_data)
+                        ieee80211_destroy_assoc_data(sdata, false);
+                if (ifmgd->auth_data)
+                        ieee80211_destroy_auth_data(sdata, false);
                 cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
                                       IEEE80211_DEAUTH_FRAME_LEN);
         }
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 6fb38558a5e6..7a17decd27f9 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -333,7 +333,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
                 container_of(work, struct ieee80211_roc_work, work.work);
         struct ieee80211_sub_if_data *sdata = roc->sdata;
         struct ieee80211_local *local = sdata->local;
-        bool started;
+        bool started, on_channel;
 
         mutex_lock(&local->mtx);
 
@@ -354,14 +354,26 @@ void ieee80211_sw_roc_work(struct work_struct *work)
         if (!roc->started) {
                 struct ieee80211_roc_work *dep;
 
-                /* start this ROC */
-                ieee80211_offchannel_stop_vifs(local);
+                WARN_ON(local->use_chanctx);
+
+                /* If actually operating on the desired channel (with at least
+                 * 20 MHz channel width) don't stop all the operations but still
+                 * treat it as though the ROC operation started properly, so
+                 * other ROC operations won't interfere with this one.
+                 */
+                roc->on_channel = roc->chan == local->_oper_chandef.chan &&
+                                  local->_oper_chandef.width != NL80211_CHAN_WIDTH_5 &&
+                                  local->_oper_chandef.width != NL80211_CHAN_WIDTH_10;
 
-                /* switch channel etc */
+                /* start this ROC */
                 ieee80211_recalc_idle(local);
 
-                local->tmp_channel = roc->chan;
-                ieee80211_hw_config(local, 0);
+                if (!roc->on_channel) {
+                        ieee80211_offchannel_stop_vifs(local);
+
+                        local->tmp_channel = roc->chan;
+                        ieee80211_hw_config(local, 0);
+                }
 
                 /* tell userspace or send frame */
                 ieee80211_handle_roc_started(roc);
@@ -380,9 +392,10 @@ void ieee80211_sw_roc_work(struct work_struct *work)
  finish:
                 list_del(&roc->list);
                 started = roc->started;
+                on_channel = roc->on_channel;
                 ieee80211_roc_notify_destroy(roc, !roc->abort);
 
-                if (started) {
+                if (started && !on_channel) {
                         ieee80211_flush_queues(local, NULL);
 
                         local->tmp_channel = NULL;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 216c45b949e5..2b608b2b70ec 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1231,7 +1231,8 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
                 if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&
                     test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
                         sta->last_rx = jiffies;
-                        if (ieee80211_is_data(hdr->frame_control)) {
+                        if (ieee80211_is_data(hdr->frame_control) &&
+                            !is_multicast_ether_addr(hdr->addr1)) {
                                 sta->last_rx_rate_idx = status->rate_idx;
                                 sta->last_rx_rate_flag = status->flag;
                                 sta->last_rx_rate_vht_flag = status->vht_flag;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 137a192e64bc..847d92f6bef6 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1148,7 +1148,8 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
         atomic_dec(&ps->num_sta_ps);
 
         /* This station just woke up and isn't aware of our SMPS state */
-        if (!ieee80211_smps_is_restrictive(sta->known_smps_mode,
+        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
+            !ieee80211_smps_is_restrictive(sta->known_smps_mode,
                                            sdata->smps_mode) &&
             sta->known_smps_mode != sdata->bss->req_smps &&
             sta_info_tx_streams(sta) != 1) {
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 00ba90b02ab2..60cb7a665976 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -314,10 +314,9 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
             !is_multicast_ether_addr(hdr->addr1))
                 txflags |= IEEE80211_RADIOTAP_F_TX_FAIL;
 
-        if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
-            (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
+        if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
                 txflags |= IEEE80211_RADIOTAP_F_TX_CTS;
-        else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
+        if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
                 txflags |= IEEE80211_RADIOTAP_F_TX_RTS;
 
         put_unaligned_le16(txflags, pos);
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index a0b0aea76525..cec5b60487a4 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -21,10 +21,10 @@
 
 #define VIF_ENTRY       __field(enum nl80211_iftype, vif_type) __field(void *, sdata)   \
                         __field(bool, p2p)                                              \
-                        __string(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
+                        __string(vif_name, sdata->name)
 #define VIF_ASSIGN      __entry->vif_type = sdata->vif.type; __entry->sdata = sdata;    \
                         __entry->p2p = sdata->vif.p2p;                                  \
-                        __assign_str(vif_name, sdata->dev ? sdata->dev->name : sdata->name)
+                        __assign_str(vif_name, sdata->name)
 #define VIF_PR_FMT      " vif:%s(%d%s)"
 #define VIF_PR_ARG      __get_str(vif_name), __entry->vif_type, __entry->p2p ? "/p2p" : ""
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 275c94f995f7..3c365837e910 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1780,7 +1780,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
         mutex_unlock(&local->mtx);
 
         if (sched_scan_stopped)
-                cfg80211_sched_scan_stopped(local->hw.wiphy);
+                cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
 
         /*
          * If this is for hw restart things are still running.
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index e9e36a256165..9265adfdabfc 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -129,9 +129,12 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
         if (!vht_cap_ie || !sband->vht_cap.vht_supported)
                 return;
 
-        /* A VHT STA must support 40 MHz */
-        if (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
-                return;
+        /*
+         * A VHT STA must support 40 MHz, but if we verify that here
+         * then we break a few things - some APs (e.g. Netgear R6300v2
+         * and others based on the BCM4360 chipset) will unset this
+         * capability bit when operating in 20 MHz.
+         */
 
         vht_cap->vht_supported = true;
 
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index ccc46fa5edbc..58579634427d 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1336,6 +1336,9 @@ ctnetlink_setup_nat(struct nf_conn *ct, const struct nlattr * const cda[])
 #ifdef CONFIG_NF_NAT_NEEDED
         int ret;
 
+        if (!cda[CTA_NAT_DST] && !cda[CTA_NAT_SRC])
+                return 0;
+
         ret = ctnetlink_parse_nat_setup(ct, NF_NAT_MANIP_DST,
                                         cda[CTA_NAT_DST]);
         if (ret < 0)
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index 804105391b9a..345acfb1720b 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -66,20 +66,6 @@ struct nft_jumpstack {
         int                     rulenum;
 };
 
-static inline void
-nft_chain_stats(const struct nft_chain *this, const struct nft_pktinfo *pkt,
-                struct nft_jumpstack *jumpstack, unsigned int stackptr)
-{
-        struct nft_stats __percpu *stats;
-        const struct nft_chain *chain = stackptr ? jumpstack[0].chain : this;
-
-        rcu_read_lock_bh();
-        stats = rcu_dereference(nft_base_chain(chain)->stats);
-        __this_cpu_inc(stats->pkts);
-        __this_cpu_add(stats->bytes, pkt->skb->len);
-        rcu_read_unlock_bh();
-}
-
 enum nft_trace {
         NFT_TRACE_RULE,
         NFT_TRACE_RETURN,
@@ -117,13 +103,14 @@ static void nft_trace_packet(const struct nft_pktinfo *pkt,
 unsigned int
 nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops)
 {
-        const struct nft_chain *chain = ops->priv;
+        const struct nft_chain *chain = ops->priv, *basechain = chain;
         const struct nft_rule *rule;
         const struct nft_expr *expr, *last;
         struct nft_data data[NFT_REG_MAX + 1];
         unsigned int stackptr = 0;
         struct nft_jumpstack jumpstack[NFT_JUMP_STACK_SIZE];
-        int rulenum = 0;
+        struct nft_stats __percpu *stats;
+        int rulenum;
         /*
          * Cache cursor to avoid problems in case that the cursor is updated
          * while traversing the ruleset.
@@ -131,6 +118,7 @@ nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops)
         unsigned int gencursor = ACCESS_ONCE(chain->net->nft.gencursor);
 
 do_chain:
+        rulenum = 0;
         rule = list_entry(&chain->rules, struct nft_rule, list);
 next_rule:
         data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
@@ -156,8 +144,10 @@ next_rule:
                 switch (data[NFT_REG_VERDICT].verdict) {
                 case NFT_BREAK:
                         data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
-                        /* fall through */
+                        continue;
                 case NFT_CONTINUE:
+                        if (unlikely(pkt->skb->nf_trace))
+                                nft_trace_packet(pkt, chain, rulenum, NFT_TRACE_RULE);
                         continue;
                 }
                 break;
@@ -183,37 +173,44 @@ next_rule:
                 jumpstack[stackptr].rule  = rule;
                 jumpstack[stackptr].rulenum = rulenum;
                 stackptr++;
-                /* fall through */
+                chain = data[NFT_REG_VERDICT].chain;
+                goto do_chain;
         case NFT_GOTO:
+                if (unlikely(pkt->skb->nf_trace))
+                        nft_trace_packet(pkt, chain, rulenum, NFT_TRACE_RULE);
+
                 chain = data[NFT_REG_VERDICT].chain;
                 goto do_chain;
         case NFT_RETURN:
                 if (unlikely(pkt->skb->nf_trace))
                         nft_trace_packet(pkt, chain, rulenum, NFT_TRACE_RETURN);
-
-                /* fall through */
+                break;
         case NFT_CONTINUE:
+                if (unlikely(pkt->skb->nf_trace && !(chain->flags & NFT_BASE_CHAIN)))
+                        nft_trace_packet(pkt, chain, ++rulenum, NFT_TRACE_RETURN);
                 break;
         default:
                 WARN_ON(1);
         }
 
         if (stackptr > 0) {
-                if (unlikely(pkt->skb->nf_trace))
-                        nft_trace_packet(pkt, chain, ++rulenum, NFT_TRACE_RETURN);
-
                 stackptr--;
                 chain = jumpstack[stackptr].chain;
                 rule  = jumpstack[stackptr].rule;
                 rulenum = jumpstack[stackptr].rulenum;
                 goto next_rule;
         }
-        nft_chain_stats(chain, pkt, jumpstack, stackptr);
 
         if (unlikely(pkt->skb->nf_trace))
-                nft_trace_packet(pkt, chain, ++rulenum, NFT_TRACE_POLICY);
+                nft_trace_packet(pkt, basechain, -1, NFT_TRACE_POLICY);
+
+        rcu_read_lock_bh();
+        stats = rcu_dereference(nft_base_chain(basechain)->stats);
+        __this_cpu_inc(stats->pkts);
+        __this_cpu_add(stats->bytes, pkt->skb->len);
+        rcu_read_unlock_bh();
 
-        return nft_base_chain(chain)->policy;
+        return nft_base_chain(basechain)->policy;
 }
 EXPORT_SYMBOL_GPL(nft_do_chain);
 
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index e009087620e3..23ef77c60fff 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -256,15 +256,15 @@ replay:
 #endif
                 {
                         nfnl_unlock(subsys_id);
-                        kfree_skb(nskb);
-                        return netlink_ack(skb, nlh, -EOPNOTSUPP);
+                        netlink_ack(skb, nlh, -EOPNOTSUPP);
+                        return kfree_skb(nskb);
                 }
         }
 
         if (!ss->commit || !ss->abort) {
                 nfnl_unlock(subsys_id);
-                kfree_skb(nskb);
-                return netlink_ack(skb, nlh, -EOPNOTSUPP);
+                netlink_ack(skb, nlh, -EOPNOTSUPP);
+                return kfree_skb(skb);
         }
 
         while (skb->len >= nlmsg_total_size(0)) {
diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index 7633a752c65e..0ad080790a32 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -99,7 +99,7 @@ static int rxrpc_instantiate_xdr_rxkad(struct key *key, const __be32 *xdr,
         _debug("tktlen: %x", tktlen);
         if (tktlen > AFSTOKEN_RK_TIX_MAX)
                 return -EKEYREJECTED;
-        if (8 * 4 + tktlen != toklen)
+        if (toklen < 8 * 4 + tktlen)
                 return -EKEYREJECTED;
 
         plen = sizeof(*token) + sizeof(*token->kad) + tktlen;
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index eed8404443d8..f435a88d899a 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -188,6 +188,12 @@ static const struct nla_policy tcindex_policy[TCA_TCINDEX_MAX + 1] = {
         [TCA_TCINDEX_CLASSID]           = { .type = NLA_U32 },
 };
 
+static void tcindex_filter_result_init(struct tcindex_filter_result *r)
+{
+        memset(r, 0, sizeof(*r));
+        tcf_exts_init(&r->exts, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
+}
+
 static int
 tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
                   u32 handle, struct tcindex_data *p,
@@ -207,15 +213,11 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
                 return err;
 
         memcpy(&cp, p, sizeof(cp));
-        memset(&new_filter_result, 0, sizeof(new_filter_result));
-        tcf_exts_init(&new_filter_result.exts, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
+        tcindex_filter_result_init(&new_filter_result);
 
+        tcindex_filter_result_init(&cr);
         if (old_r)
-                memcpy(&cr, r, sizeof(cr));
-        else {
-                memset(&cr, 0, sizeof(cr));
-                tcf_exts_init(&cr.exts, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
-        }
+                cr.res = r->res;
 
         if (tb[TCA_TCINDEX_HASH])
                 cp.hash = nla_get_u32(tb[TCA_TCINDEX_HASH]);
@@ -267,9 +269,14 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
         err = -ENOMEM;
         if (!cp.perfect && !cp.h) {
                 if (valid_perfect_hash(&cp)) {
+                        int i;
+
                         cp.perfect = kcalloc(cp.hash, sizeof(*r), GFP_KERNEL);
                         if (!cp.perfect)
                                 goto errout;
+                        for (i = 0; i < cp.hash; i++)
+                                tcf_exts_init(&cp.perfect[i].exts, TCA_TCINDEX_ACT,
+                                              TCA_TCINDEX_POLICE);
                         balloc = 1;
                 } else {
                         cp.h = kcalloc(cp.hash, sizeof(f), GFP_KERNEL);
@@ -295,14 +302,17 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
                 tcf_bind_filter(tp, &cr.res, base);
         }
 
-        tcf_exts_change(tp, &cr.exts, &e);
+        if (old_r)
+                tcf_exts_change(tp, &r->exts, &e);
+        else
+                tcf_exts_change(tp, &cr.exts, &e);
 
         tcf_tree_lock(tp);
         if (old_r && old_r != r)
-                memset(old_r, 0, sizeof(*old_r));
+                tcindex_filter_result_init(old_r);
 
         memcpy(p, &cp, sizeof(cp));
-        memcpy(r, &cr, sizeof(cr));
+        r->res = cr.res;
 
         if (r == &new_filter_result) {
                 struct tcindex_filter **fp;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7d09a712cb1f..88f108edfb58 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -284,14 +284,22 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy)
 }
 EXPORT_SYMBOL(cfg80211_sched_scan_results);
 
-void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy)
 {
         struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
 
+        ASSERT_RTNL();
+
         trace_cfg80211_sched_scan_stopped(wiphy);
 
-        rtnl_lock();
         __cfg80211_stop_sched_scan(rdev, true);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_stopped_rtnl);
+
+void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+{
+        rtnl_lock();
+        cfg80211_sched_scan_stopped_rtnl(wiphy);
         rtnl_unlock();
 }
 EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index acdcb4a81817..3546a77033de 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -234,7 +234,6 @@ void cfg80211_conn_work(struct work_struct *work)
                                         NULL, 0, NULL, 0,
                                         WLAN_STATUS_UNSPECIFIED_FAILURE,
                                         false, NULL);
-                        cfg80211_sme_free(wdev);
                 }
                 wdev_unlock(wdev);
         }
@@ -648,6 +647,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
                         cfg80211_unhold_bss(bss_from_pub(bss));
                         cfg80211_put_bss(wdev->wiphy, bss);
                 }
+                cfg80211_sme_free(wdev);
                 return;
         }
 
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index fd8fa9aa7c4e..5b3add31f9f1 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -25,7 +25,7 @@ cat << EOF
 #define __IGNORE_rmdir          /* unlinkat */
 #define __IGNORE_lchown         /* fchownat */
 #define __IGNORE_access         /* faccessat */
-#define __IGNORE_rename         /* renameat */
+#define __IGNORE_rename         /* renameat2 */
 #define __IGNORE_readlink       /* readlinkat */
 #define __IGNORE_symlink        /* symlinkat */
 #define __IGNORE_utimes         /* futimesat */
@@ -37,6 +37,9 @@ cat << EOF
 #define __IGNORE_lstat64        /* fstatat64 */
 #endif
 
+/* Missing flags argument */
+#define __IGNORE_renameat       /* renameat2 */
+
 /* CLOEXEC flag */
 #define __IGNORE_pipe           /* pipe2 */
 #define __IGNORE_dup2           /* dup3 */
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 94d08733cb38..76cbb9ec953a 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -182,6 +182,7 @@ static int dmaengine_pcm_prepare_and_submit(struct snd_pcm_substream *substream)
 int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
         struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+        struct snd_pcm_runtime *runtime = substream->runtime;
         int ret;
 
         switch (cmd) {
@@ -196,6 +197,11 @@ int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
                 dmaengine_resume(prtd->dma_chan);
                 break;
         case SNDRV_PCM_TRIGGER_SUSPEND:
+                if (runtime->info & SNDRV_PCM_INFO_PAUSE)
+                        dmaengine_pause(prtd->dma_chan);
+                else
+                        dmaengine_terminate_all(prtd->dma_chan);
+                break;
         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
                 dmaengine_pause(prtd->dma_chan);
                 break;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 2c54629d62d1..6cc3cf285558 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1743,6 +1743,9 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
         /* Lynx Point */
         { PCI_DEVICE(0x8086, 0x8c20),
           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
+        /* 9 Series */
+        { PCI_DEVICE(0x8086, 0x8ca0),
+          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
         /* Wellsburg */
         { PCI_DEVICE(0x8086, 0x8d20),
           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
diff --git a/tools/Makefile b/tools/Makefile
index bcae806b0c39..9a617adc6675 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -44,6 +44,9 @@ cpupower: FORCE
 cgroup firewire hv guest usb virtio vm net: FORCE
         $(call descend,$@)
 
+liblockdep: FORCE
+        $(call descend,lib/lockdep)
+
 libapikfs: FORCE
         $(call descend,lib/api)
 
@@ -91,6 +94,9 @@ cpupower_clean:
 cgroup_clean hv_clean firewire_clean lguest_clean usb_clean virtio_clean vm_clean net_clean:
         $(call descend,$(@:_clean=),clean)
 
+liblockdep_clean:
+        $(call descend,lib/lockdep,clean)
+
 libapikfs_clean:
         $(call descend,lib/api,clean)
 
diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
index cb09d3ff8f58..bba2f5253b6e 100644
--- a/tools/lib/lockdep/Makefile
+++ b/tools/lib/lockdep/Makefile
@@ -1,8 +1,7 @@
 # file format version
 FILE_VERSION = 1
 
-MAKEFLAGS += --no-print-directory
-LIBLOCKDEP_VERSION=$(shell make -sC ../../.. kernelversion)
+LIBLOCKDEP_VERSION=$(shell make --no-print-directory -sC ../../.. kernelversion)
 
 # Makefiles suck: This macro sets a default value of $(2) for the
 # variable named by $(1), unless the variable has been set by
@@ -231,7 +230,7 @@ install_lib: all_cmd
 install: install_lib
 
 clean:
-        $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d
+        $(RM) *.o *~ $(TARGETS) *.a *liblockdep*.so* $(VERSION_FILES) .*.d
         $(RM) tags TAGS
 
 endif # skip-makefile