Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

udplite conflict is resolved by taking what 'net-next' did which removed the backlog receive method assignment, since it is no longer necessary. Two entries were added to the non-priv ethtool operations switch statement, one in 'net' and one in 'net-next, so simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
author: David S. Miller <davem@davemloft.net> 2016-11-26 23:42:21 -0500
committer: David S. Miller <davem@davemloft.net> 2016-11-26 23:42:21 -0500
commit: 0b42f25d2f123bb7fbd3565d003a8ea9e1e810fe (patch)
tree: 77856ad061e97e86027df1fa6efdf20a9fe309b5
parent: e5f12b3f5ebb8a6ffd3864a04f687ea0ef78a48a (diff)
parent: d8e435f3ab6fea2ea324dce72b51dd7761747523 (diff)
179 files changed, 1243 insertions, 678 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index e589ae67ae65..519653813500 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -77,6 +77,7 @@ Descriptions of section entries:
        Q: Patchwork web based patch tracking system site
        T: SCM tree type and location.
           Type is one of: git, hg, quilt, stgit, topgit
+        B: Bug tracking system location.
        S: Status, one of the following:
           Supported:   Someone is actually paid to look after this.
           Maintained:  Someone actually looks after it.
@@ -281,6 +282,7 @@ L:	linux-acpi@vger.kernel.org
 W:      https://01.org/linux-acpi
 Q:      https://patchwork.kernel.org/project/linux-acpi/list/
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
+B:      https://bugzilla.kernel.org
 S:      Supported
 F:      drivers/acpi/
 F:      drivers/pnp/pnpacpi/
@@ -304,6 +306,8 @@ W:	https://acpica.org/
 W:      https://github.com/acpica/acpica/
 Q:      https://patchwork.kernel.org/project/linux-acpi/list/
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
+B:      https://bugzilla.kernel.org
+B:      https://bugs.acpica.org
 S:      Supported
 F:      drivers/acpi/acpica/
 F:      include/acpi/
@@ -313,6 +317,7 @@ ACPI FAN DRIVER
 M:      Zhang Rui <rui.zhang@intel.com>
 L:      linux-acpi@vger.kernel.org
 W:      https://01.org/linux-acpi
+B:      https://bugzilla.kernel.org
 S:      Supported
 F:      drivers/acpi/fan.c
@@ -328,6 +333,7 @@ ACPI THERMAL DRIVER
 M:      Zhang Rui <rui.zhang@intel.com>
 L:      linux-acpi@vger.kernel.org
 W:      https://01.org/linux-acpi
+B:      https://bugzilla.kernel.org
 S:      Supported
 F:      drivers/acpi/*thermal*
@@ -335,6 +341,7 @@ ACPI VIDEO DRIVER
 M:      Zhang Rui <rui.zhang@intel.com>
 L:      linux-acpi@vger.kernel.org
 W:      https://01.org/linux-acpi
+B:      https://bugzilla.kernel.org
 S:      Supported
 F:      drivers/acpi/acpi_video.c
@@ -5665,6 +5672,7 @@ HIBERNATION (aka Software Suspend, aka swsusp)
 M:      "Rafael J. Wysocki" <rjw@rjwysocki.net>
 M:      Pavel Machek <pavel@ucw.cz>
 L:      linux-pm@vger.kernel.org
+B:      https://bugzilla.kernel.org
 S:      Supported
 F:      arch/x86/power/
 F:      drivers/base/power/
@@ -9625,6 +9633,7 @@ POWER MANAGEMENT CORE
 M:      "Rafael J. Wysocki" <rjw@rjwysocki.net>
 L:      linux-pm@vger.kernel.org
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
+B:      https://bugzilla.kernel.org
 S:      Supported
 F:      drivers/base/power/
 F:      include/linux/pm.h
@@ -11614,6 +11623,7 @@ M:	"Rafael J. Wysocki" <rjw@rjwysocki.net>
 M:      Len Brown <len.brown@intel.com>
 M:      Pavel Machek <pavel@ucw.cz>
 L:      linux-pm@vger.kernel.org
+B:      https://bugzilla.kernel.org
 S:      Supported
 F:      Documentation/power/
 F:      arch/x86/kernel/acpi/
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 0745538b26d3..55e0e3ea9cb6 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -8,7 +8,6 @@ generic-y += early_ioremap.h
 generic-y += emergency-restart.h
 generic-y += errno.h
 generic-y += exec.h
-generic-y += export.h
 generic-y += ioctl.h
 generic-y += ipcbuf.h
 generic-y += irq_regs.h
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 68c2c097cffe..ad325a8c7e1e 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -33,7 +33,7 @@ endif
 obj-$(CONFIG_CPU_IDLE)          += cpuidle.o
 obj-$(CONFIG_ISA_DMA_API)       += dma.o
 obj-$(CONFIG_FIQ)               += fiq.o fiqasm.o
-obj-$(CONFIG_MODULES)           += module.o
+obj-$(CONFIG_MODULES)           += armksyms.o module.o
 obj-$(CONFIG_ARM_MODULE_PLTS)   += module-plts.o
 obj-$(CONFIG_ISA_DMA)           += dma-isa.o
 obj-$(CONFIG_PCI)               += bios32.o isa.o
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
new file mode 100644
index 000000000000..7e45f69a0ddc
--- /dev/null
+++ b/arch/arm/kernel/armksyms.c
@@ -0,0 +1,183 @@
+/*
+ *  linux/arch/arm/kernel/armksyms.c
+ *
+ *  Copyright (C) 2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/export.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/cryptohash.h>
+#include <linux/delay.h>
+#include <linux/in6.h>
+#include <linux/syscalls.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
+#include <linux/arm-smccc.h>
+#include <asm/checksum.h>
+#include <asm/ftrace.h>
+/*
+ * libgcc functions - functions that are used internally by the
+ * compiler...  (prototypes are not correct though, but that
+ * doesn't really matter since they're not versioned).
+ */
+extern void __ashldi3(void);
+extern void __ashrdi3(void);
+extern void __divsi3(void);
+extern void __lshrdi3(void);
+extern void __modsi3(void);
+extern void __muldi3(void);
+extern void __ucmpdi2(void);
+extern void __udivsi3(void);
+extern void __umodsi3(void);
+extern void __do_div64(void);
+extern void __bswapsi2(void);
+extern void __bswapdi2(void);
+extern void __aeabi_idiv(void);
+extern void __aeabi_idivmod(void);
+extern void __aeabi_lasr(void);
+extern void __aeabi_llsl(void);
+extern void __aeabi_llsr(void);
+extern void __aeabi_lmul(void);
+extern void __aeabi_uidiv(void);
+extern void __aeabi_uidivmod(void);
+extern void __aeabi_ulcmp(void);
+extern void fpundefinstr(void);
+void mmioset(void *, unsigned int, size_t);
+void mmiocpy(void *, const void *, size_t);
+        /* platform dependent support */
+EXPORT_SYMBOL(arm_delay_ops);
+        /* networking */
+EXPORT_SYMBOL(csum_partial);
+EXPORT_SYMBOL(csum_partial_copy_from_user);
+EXPORT_SYMBOL(csum_partial_copy_nocheck);
+EXPORT_SYMBOL(__csum_ipv6_magic);
+        /* io */
+#ifndef __raw_readsb
+EXPORT_SYMBOL(__raw_readsb);
+#endif
+#ifndef __raw_readsw
+EXPORT_SYMBOL(__raw_readsw);
+#endif
+#ifndef __raw_readsl
+EXPORT_SYMBOL(__raw_readsl);
+#endif
+#ifndef __raw_writesb
+EXPORT_SYMBOL(__raw_writesb);
+#endif
+#ifndef __raw_writesw
+EXPORT_SYMBOL(__raw_writesw);
+#endif
+#ifndef __raw_writesl
+EXPORT_SYMBOL(__raw_writesl);
+#endif
+        /* string / mem functions */
+EXPORT_SYMBOL(strchr);
+EXPORT_SYMBOL(strrchr);
+EXPORT_SYMBOL(memset);
+EXPORT_SYMBOL(memcpy);
+EXPORT_SYMBOL(memmove);
+EXPORT_SYMBOL(memchr);
+EXPORT_SYMBOL(__memzero);
+EXPORT_SYMBOL(mmioset);
+EXPORT_SYMBOL(mmiocpy);
+#ifdef CONFIG_MMU
+EXPORT_SYMBOL(copy_page);
+EXPORT_SYMBOL(arm_copy_from_user);
+EXPORT_SYMBOL(arm_copy_to_user);
+EXPORT_SYMBOL(arm_clear_user);
+EXPORT_SYMBOL(__get_user_1);
+EXPORT_SYMBOL(__get_user_2);
+EXPORT_SYMBOL(__get_user_4);
+EXPORT_SYMBOL(__get_user_8);
+#ifdef __ARMEB__
+EXPORT_SYMBOL(__get_user_64t_1);
+EXPORT_SYMBOL(__get_user_64t_2);
+EXPORT_SYMBOL(__get_user_64t_4);
+EXPORT_SYMBOL(__get_user_32t_8);
+#endif
+EXPORT_SYMBOL(__put_user_1);
+EXPORT_SYMBOL(__put_user_2);
+EXPORT_SYMBOL(__put_user_4);
+EXPORT_SYMBOL(__put_user_8);
+#endif
+        /* gcc lib functions */
+EXPORT_SYMBOL(__ashldi3);
+EXPORT_SYMBOL(__ashrdi3);
+EXPORT_SYMBOL(__divsi3);
+EXPORT_SYMBOL(__lshrdi3);
+EXPORT_SYMBOL(__modsi3);
+EXPORT_SYMBOL(__muldi3);
+EXPORT_SYMBOL(__ucmpdi2);
+EXPORT_SYMBOL(__udivsi3);
+EXPORT_SYMBOL(__umodsi3);
+EXPORT_SYMBOL(__do_div64);
+EXPORT_SYMBOL(__bswapsi2);
+EXPORT_SYMBOL(__bswapdi2);
+#ifdef CONFIG_AEABI
+EXPORT_SYMBOL(__aeabi_idiv);
+EXPORT_SYMBOL(__aeabi_idivmod);
+EXPORT_SYMBOL(__aeabi_lasr);
+EXPORT_SYMBOL(__aeabi_llsl);
+EXPORT_SYMBOL(__aeabi_llsr);
+EXPORT_SYMBOL(__aeabi_lmul);
+EXPORT_SYMBOL(__aeabi_uidiv);
+EXPORT_SYMBOL(__aeabi_uidivmod);
+EXPORT_SYMBOL(__aeabi_ulcmp);
+#endif
+        /* bitops */
+EXPORT_SYMBOL(_set_bit);
+EXPORT_SYMBOL(_test_and_set_bit);
+EXPORT_SYMBOL(_clear_bit);
+EXPORT_SYMBOL(_test_and_clear_bit);
+EXPORT_SYMBOL(_change_bit);
+EXPORT_SYMBOL(_test_and_change_bit);
+EXPORT_SYMBOL(_find_first_zero_bit_le);
+EXPORT_SYMBOL(_find_next_zero_bit_le);
+EXPORT_SYMBOL(_find_first_bit_le);
+EXPORT_SYMBOL(_find_next_bit_le);
+#ifdef __ARMEB__
+EXPORT_SYMBOL(_find_first_zero_bit_be);
+EXPORT_SYMBOL(_find_next_zero_bit_be);
+EXPORT_SYMBOL(_find_first_bit_be);
+EXPORT_SYMBOL(_find_next_bit_be);
+#endif
+#ifdef CONFIG_FUNCTION_TRACER
+#ifdef CONFIG_OLD_MCOUNT
+EXPORT_SYMBOL(mcount);
+#endif
+EXPORT_SYMBOL(__gnu_mcount_nc);
+#endif
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+EXPORT_SYMBOL(__pv_phys_pfn_offset);
+EXPORT_SYMBOL(__pv_offset);
+#endif
+#ifdef CONFIG_HAVE_ARM_SMCCC
+EXPORT_SYMBOL(arm_smccc_smc);
+EXPORT_SYMBOL(arm_smccc_hvc);
+#endif
diff --git a/arch/arm/kernel/entry-ftrace.S b/arch/arm/kernel/entry-ftrace.S
index b629d3f11c3d..c73c4030ca5d 100644
--- a/arch/arm/kernel/entry-ftrace.S
+++ b/arch/arm/kernel/entry-ftrace.S
@@ -7,7 +7,6 @@
 #include <asm/assembler.h>
 #include <asm/ftrace.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
 #include "entry-header.S"
@@ -154,7 +153,6 @@ ENTRY(mcount)
        __mcount _old
 #endif
 ENDPROC(mcount)
-EXPORT_SYMBOL(mcount)
 #ifdef CONFIG_DYNAMIC_FTRACE
 ENTRY(ftrace_caller_old)
@@ -207,7 +205,6 @@ UNWIND(.fnstart)
 #endif
 UNWIND(.fnend)
 ENDPROC(__gnu_mcount_nc)
-EXPORT_SYMBOL(__gnu_mcount_nc)
 #ifdef CONFIG_DYNAMIC_FTRACE
 ENTRY(ftrace_caller)
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index f41cee4c5746..04286fd9e09c 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -22,7 +22,6 @@
 #include <asm/memory.h>
 #include <asm/thread_info.h>
 #include <asm/pgtable.h>
-#include <asm/export.h>
 #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_SEMIHOSTING)
 #include CONFIG_DEBUG_LL_INCLUDE
@@ -728,8 +727,6 @@ __pv_phys_pfn_offset:
 __pv_offset:
        .quad   0
        .size   __pv_offset, . -__pv_offset
-EXPORT_SYMBOL(__pv_phys_pfn_offset)
-EXPORT_SYMBOL(__pv_offset)
 #endif
 #include "head-common.S"
diff --git a/arch/arm/kernel/smccc-call.S b/arch/arm/kernel/smccc-call.S
index 37669e7e13af..2e48b674aab1 100644
--- a/arch/arm/kernel/smccc-call.S
+++ b/arch/arm/kernel/smccc-call.S
@@ -16,7 +16,6 @@
 #include <asm/opcodes-sec.h>
 #include <asm/opcodes-virt.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
        /*
         * Wrap c macros in asm macros to delay expansion until after the
@@ -52,7 +51,6 @@ UNWIND(	.fnend)
 ENTRY(arm_smccc_smc)
        SMCCC SMCCC_SMC
 ENDPROC(arm_smccc_smc)
-EXPORT_SYMBOL(arm_smccc_smc)
 /*
 * void smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2,
@@ -62,4 +60,3 @@ EXPORT_SYMBOL(arm_smccc_smc)
 ENTRY(arm_smccc_hvc)
        SMCCC SMCCC_HVC
 ENDPROC(arm_smccc_hvc)
-EXPORT_SYMBOL(arm_smccc_hvc)
diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S
index a7e7de89bd75..b05e95840651 100644
--- a/arch/arm/lib/ashldi3.S
+++ b/arch/arm/lib/ashldi3.S
@@ -28,7 +28,6 @@ Boston, MA 02110-1301, USA.  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 #ifdef __ARMEB__
 #define al r1
@@ -53,5 +52,3 @@ ENTRY(__aeabi_llsl)
 ENDPROC(__ashldi3)
 ENDPROC(__aeabi_llsl)
-EXPORT_SYMBOL(__ashldi3)
-EXPORT_SYMBOL(__aeabi_llsl)
diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S
index 490336e42518..275d7d2341a4 100644
--- a/arch/arm/lib/ashrdi3.S
+++ b/arch/arm/lib/ashrdi3.S
@@ -28,7 +28,6 @@ Boston, MA 02110-1301, USA.  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 #ifdef __ARMEB__
 #define al r1
@@ -53,5 +52,3 @@ ENTRY(__aeabi_lasr)
 ENDPROC(__ashrdi3)
 ENDPROC(__aeabi_lasr)
-EXPORT_SYMBOL(__ashrdi3)
-EXPORT_SYMBOL(__aeabi_lasr)
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h
index df06638b327c..7d807cfd8ef5 100644
--- a/arch/arm/lib/bitops.h
+++ b/arch/arm/lib/bitops.h
@@ -1,6 +1,5 @@
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
 #if __LINUX_ARM_ARCH__ >= 6
        .macro  bitop, name, instr
@@ -26,7 +25,6 @@ UNWIND(	.fnstart	)
        bx      lr
 UNWIND( .fnend          )
 ENDPROC(\name           )
-EXPORT_SYMBOL(\name     )
        .endm
        .macro  testop, name, instr, store
@@ -57,7 +55,6 @@ UNWIND(	.fnstart	)
 2:      bx      lr
 UNWIND( .fnend          )
 ENDPROC(\name           )
-EXPORT_SYMBOL(\name     )
        .endm
 #else
        .macro  bitop, name, instr
@@ -77,7 +74,6 @@ UNWIND(	.fnstart	)
        ret     lr
 UNWIND( .fnend          )
 ENDPROC(\name           )
-EXPORT_SYMBOL(\name     )
        .endm
 /**
@@ -106,6 +102,5 @@ UNWIND(	.fnstart	)
        ret     lr
 UNWIND( .fnend          )
 ENDPROC(\name           )
-EXPORT_SYMBOL(\name     )
        .endm
 #endif
diff --git a/arch/arm/lib/bswapsdi2.S b/arch/arm/lib/bswapsdi2.S
index f05f78247304..07cda737bb11 100644
--- a/arch/arm/lib/bswapsdi2.S
+++ b/arch/arm/lib/bswapsdi2.S
@@ -1,6 +1,5 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 #if __LINUX_ARM_ARCH__ >= 6
 ENTRY(__bswapsi2)
@@ -36,5 +35,3 @@ ENTRY(__bswapdi2)
        ret lr
 ENDPROC(__bswapdi2)
 #endif
-EXPORT_SYMBOL(__bswapsi2)
-EXPORT_SYMBOL(__bswapdi2)
diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
index b566154f5cf4..e936352ccb00 100644
--- a/arch/arm/lib/clear_user.S
+++ b/arch/arm/lib/clear_user.S
@@ -10,7 +10,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
                .text
@@ -51,9 +50,6 @@ USER(		strnebt	r2, [r0])
 UNWIND(.fnend)
 ENDPROC(arm_clear_user)
 ENDPROC(__clear_user_std)
-#ifndef CONFIG_UACCESS_WITH_MEMCPY
-EXPORT_SYMBOL(arm_clear_user)
-#endif
                .pushsection .text.fixup,"ax"
                .align  0
diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
index 63e4c1ed0225..7a4b06049001 100644
--- a/arch/arm/lib/copy_from_user.S
+++ b/arch/arm/lib/copy_from_user.S
@@ -13,7 +13,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
 /*
 * Prototype:
@@ -95,7 +94,6 @@ ENTRY(arm_copy_from_user)
 #include "copy_template.S"
 ENDPROC(arm_copy_from_user)
-EXPORT_SYMBOL(arm_copy_from_user)
        .pushsection .fixup,"ax"
        .align 0
diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S
index d97851d4af7a..6ee2f6706f86 100644
--- a/arch/arm/lib/copy_page.S
+++ b/arch/arm/lib/copy_page.S
@@ -13,7 +13,6 @@
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
 #include <asm/cache.h>
-#include <asm/export.h>
 #define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 ))
@@ -46,4 +45,3 @@ ENTRY(copy_page)
        PLD(    beq     2b                      )
                ldmfd   sp!, {r4, pc}                   @       3
 ENDPROC(copy_page)
-EXPORT_SYMBOL(copy_page)
diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S
index 592c179112d1..caf5019d8161 100644
--- a/arch/arm/lib/copy_to_user.S
+++ b/arch/arm/lib/copy_to_user.S
@@ -13,7 +13,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
 /*
 * Prototype:
@@ -100,9 +99,6 @@ WEAK(arm_copy_to_user)
 ENDPROC(arm_copy_to_user)
 ENDPROC(__copy_to_user_std)
-#ifndef CONFIG_UACCESS_WITH_MEMCPY
-EXPORT_SYMBOL(arm_copy_to_user)
-#endif
        .pushsection .text.fixup,"ax"
        .align 0
diff --git a/arch/arm/lib/csumipv6.S b/arch/arm/lib/csumipv6.S
index 68603b5ee537..3ac6ef01bc43 100644
--- a/arch/arm/lib/csumipv6.S
+++ b/arch/arm/lib/csumipv6.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .text
@@ -31,4 +30,4 @@ ENTRY(__csum_ipv6_magic)
                adcs    r0, r0, #0
                ldmfd   sp!, {pc}
 ENDPROC(__csum_ipv6_magic)
-EXPORT_SYMBOL(__csum_ipv6_magic)
diff --git a/arch/arm/lib/csumpartial.S b/arch/arm/lib/csumpartial.S
index 830b20e81c37..984e0f29d548 100644
--- a/arch/arm/lib/csumpartial.S
+++ b/arch/arm/lib/csumpartial.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .text
@@ -141,4 +140,3 @@ ENTRY(csum_partial)
                bne     4b
                b       .Lless4
 ENDPROC(csum_partial)
-EXPORT_SYMBOL(csum_partial)
diff --git a/arch/arm/lib/csumpartialcopy.S b/arch/arm/lib/csumpartialcopy.S
index 9c3383fed129..d03fc71fc88c 100644
--- a/arch/arm/lib/csumpartialcopy.S
+++ b/arch/arm/lib/csumpartialcopy.S
@@ -49,6 +49,5 @@
 #define FN_ENTRY        ENTRY(csum_partial_copy_nocheck)
 #define FN_EXIT         ENDPROC(csum_partial_copy_nocheck)
-#define FN_EXPORT       EXPORT_SYMBOL(csum_partial_copy_nocheck)
 #include "csumpartialcopygeneric.S"
diff --git a/arch/arm/lib/csumpartialcopygeneric.S b/arch/arm/lib/csumpartialcopygeneric.S
index 8b94d20e51d1..10b45909610c 100644
--- a/arch/arm/lib/csumpartialcopygeneric.S
+++ b/arch/arm/lib/csumpartialcopygeneric.S
@@ -8,7 +8,6 @@
 * published by the Free Software Foundation.
 */
 #include <asm/assembler.h>
-#include <asm/export.h>
 /*
 * unsigned int
@@ -332,4 +331,3 @@ FN_ENTRY
                mov     r5, r4, get_byte_1
                b       .Lexit
 FN_EXIT
-FN_EXPORT
diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S
index 5d495edf3d83..1712f132b80d 100644
--- a/arch/arm/lib/csumpartialcopyuser.S
+++ b/arch/arm/lib/csumpartialcopyuser.S
@@ -73,7 +73,6 @@
 #define FN_ENTRY        ENTRY(csum_partial_copy_from_user)
 #define FN_EXIT         ENDPROC(csum_partial_copy_from_user)
-#define FN_EXPORT       EXPORT_SYMBOL(csum_partial_copy_from_user)
 #include "csumpartialcopygeneric.S"
diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
index 69aad80a3af4..2cef11884857 100644
--- a/arch/arm/lib/delay.c
+++ b/arch/arm/lib/delay.c
@@ -24,7 +24,6 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/export.h>
 #include <linux/timex.h>
 /*
@@ -35,7 +34,6 @@ struct arm_delay_ops arm_delay_ops __ro_after_init = {
        .const_udelay   = __loop_const_udelay,
        .udelay         = __loop_udelay,
 };
-EXPORT_SYMBOL(arm_delay_ops);
 static const struct delay_timer *delay_timer;
 static bool delay_calibrated;
diff --git a/arch/arm/lib/div64.S b/arch/arm/lib/div64.S
index 0c9e1c18fc9e..a9eafe4981eb 100644
--- a/arch/arm/lib/div64.S
+++ b/arch/arm/lib/div64.S
@@ -15,7 +15,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
 #ifdef __ARMEB__
 #define xh r0
@@ -211,4 +210,3 @@ Ldiv0_64:
 UNWIND(.fnend)
 ENDPROC(__do_div64)
-EXPORT_SYMBOL(__do_div64)
diff --git a/arch/arm/lib/findbit.S b/arch/arm/lib/findbit.S
index 26302b8cd38f..7848780e8834 100644
--- a/arch/arm/lib/findbit.S
+++ b/arch/arm/lib/findbit.S
@@ -15,7 +15,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .text
 /*
@@ -38,7 +37,6 @@ ENTRY(_find_first_zero_bit_le)
 3:              mov     r0, r1                  @ no free bits
                ret     lr
 ENDPROC(_find_first_zero_bit_le)
-EXPORT_SYMBOL(_find_first_zero_bit_le)
 /*
 * Purpose  : Find next 'zero' bit
@@ -59,7 +57,6 @@ ENTRY(_find_next_zero_bit_le)
                add     r2, r2, #1              @ align bit pointer
                b       2b                      @ loop for next bit
 ENDPROC(_find_next_zero_bit_le)
-EXPORT_SYMBOL(_find_next_zero_bit_le)
 /*
 * Purpose  : Find a 'one' bit
@@ -81,7 +78,6 @@ ENTRY(_find_first_bit_le)
 3:              mov     r0, r1                  @ no free bits
                ret     lr
 ENDPROC(_find_first_bit_le)
-EXPORT_SYMBOL(_find_first_bit_le)
 /*
 * Purpose  : Find next 'one' bit
@@ -101,7 +97,6 @@ ENTRY(_find_next_bit_le)
                add     r2, r2, #1              @ align bit pointer
                b       2b                      @ loop for next bit
 ENDPROC(_find_next_bit_le)
-EXPORT_SYMBOL(_find_next_bit_le)
 #ifdef __ARMEB__
@@ -121,7 +116,6 @@ ENTRY(_find_first_zero_bit_be)
 3:              mov     r0, r1                  @ no free bits
                ret     lr
 ENDPROC(_find_first_zero_bit_be)
-EXPORT_SYMBOL(_find_first_zero_bit_be)
 ENTRY(_find_next_zero_bit_be)
                teq     r1, #0
@@ -139,7 +133,6 @@ ENTRY(_find_next_zero_bit_be)
                add     r2, r2, #1              @ align bit pointer
                b       2b                      @ loop for next bit
 ENDPROC(_find_next_zero_bit_be)
-EXPORT_SYMBOL(_find_next_zero_bit_be)
 ENTRY(_find_first_bit_be)
                teq     r1, #0
@@ -157,7 +150,6 @@ ENTRY(_find_first_bit_be)
 3:              mov     r0, r1                  @ no free bits
                ret     lr
 ENDPROC(_find_first_bit_be)
-EXPORT_SYMBOL(_find_first_bit_be)
 ENTRY(_find_next_bit_be)
                teq     r1, #0
@@ -174,7 +166,6 @@ ENTRY(_find_next_bit_be)
                add     r2, r2, #1              @ align bit pointer
                b       2b                      @ loop for next bit
 ENDPROC(_find_next_bit_be)
-EXPORT_SYMBOL(_find_next_bit_be)
 #endif
diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S
index 9d09a38e73af..8ecfd15c3a02 100644
--- a/arch/arm/lib/getuser.S
+++ b/arch/arm/lib/getuser.S
@@ -31,7 +31,6 @@
 #include <asm/assembler.h>
 #include <asm/errno.h>
 #include <asm/domain.h>
-#include <asm/export.h>
 ENTRY(__get_user_1)
        check_uaccess r0, 1, r1, r2, __get_user_bad
@@ -39,7 +38,6 @@ ENTRY(__get_user_1)
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_1)
-EXPORT_SYMBOL(__get_user_1)
 ENTRY(__get_user_2)
        check_uaccess r0, 2, r1, r2, __get_user_bad
@@ -60,7 +58,6 @@ rb	.req	r0
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_2)
-EXPORT_SYMBOL(__get_user_2)
 ENTRY(__get_user_4)
        check_uaccess r0, 4, r1, r2, __get_user_bad
@@ -68,7 +65,6 @@ ENTRY(__get_user_4)
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_4)
-EXPORT_SYMBOL(__get_user_4)
 ENTRY(__get_user_8)
        check_uaccess r0, 8, r1, r2, __get_user_bad
@@ -82,7 +78,6 @@ ENTRY(__get_user_8)
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_8)
-EXPORT_SYMBOL(__get_user_8)
 #ifdef __ARMEB__
 ENTRY(__get_user_32t_8)
@@ -96,7 +91,6 @@ ENTRY(__get_user_32t_8)
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_32t_8)
-EXPORT_SYMBOL(__get_user_32t_8)
 ENTRY(__get_user_64t_1)
        check_uaccess r0, 1, r1, r2, __get_user_bad8
@@ -104,7 +98,6 @@ ENTRY(__get_user_64t_1)
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_64t_1)
-EXPORT_SYMBOL(__get_user_64t_1)
 ENTRY(__get_user_64t_2)
        check_uaccess r0, 2, r1, r2, __get_user_bad8
@@ -121,7 +114,6 @@ rb	.req	r0
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_64t_2)
-EXPORT_SYMBOL(__get_user_64t_2)
 ENTRY(__get_user_64t_4)
        check_uaccess r0, 4, r1, r2, __get_user_bad8
@@ -129,7 +121,6 @@ ENTRY(__get_user_64t_4)
        mov     r0, #0
        ret     lr
 ENDPROC(__get_user_64t_4)
-EXPORT_SYMBOL(__get_user_64t_4)
 #endif
 __get_user_bad8:
diff --git a/arch/arm/lib/io-readsb.S b/arch/arm/lib/io-readsb.S
index 3dff7a3a2aef..c31b2f3153f1 100644
--- a/arch/arm/lib/io-readsb.S
+++ b/arch/arm/lib/io-readsb.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 .Linsb_align:   rsb     ip, ip, #4
                cmp     ip, r2
@@ -122,4 +121,3 @@ ENTRY(__raw_readsb)
                ldmfd   sp!, {r4 - r6, pc}
 ENDPROC(__raw_readsb)
-EXPORT_SYMBOL(__raw_readsb)
diff --git a/arch/arm/lib/io-readsl.S b/arch/arm/lib/io-readsl.S
index bfd39682325b..2ed86fa5465f 100644
--- a/arch/arm/lib/io-readsl.S
+++ b/arch/arm/lib/io-readsl.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 ENTRY(__raw_readsl)
                teq     r2, #0          @ do we have to check for the zero len?
@@ -78,4 +77,3 @@ ENTRY(__raw_readsl)
                strb    r3, [r1, #0]
                ret     lr
 ENDPROC(__raw_readsl)
-EXPORT_SYMBOL(__raw_readsl)
diff --git a/arch/arm/lib/io-readsw-armv3.S b/arch/arm/lib/io-readsw-armv3.S
index b3af3db6caac..413da9914529 100644
--- a/arch/arm/lib/io-readsw-armv3.S
+++ b/arch/arm/lib/io-readsw-armv3.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 .Linsw_bad_alignment:
                adr     r0, .Linsw_bad_align_msg
@@ -104,4 +103,4 @@ ENTRY(__raw_readsw)
                ldmfd   sp!, {r4, r5, r6, pc}
-EXPORT_SYMBOL(__raw_readsw)
diff --git a/arch/arm/lib/io-readsw-armv4.S b/arch/arm/lib/io-readsw-armv4.S
index 3c7a7a40b33e..d9a45e9692ae 100644
--- a/arch/arm/lib/io-readsw-armv4.S
+++ b/arch/arm/lib/io-readsw-armv4.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .macro  pack, rd, hw1, hw2
 #ifndef __ARMEB__
@@ -130,4 +129,3 @@ ENTRY(__raw_readsw)
                strneb  ip, [r1]
                ldmfd   sp!, {r4, pc}
 ENDPROC(__raw_readsw)
-EXPORT_SYMBOL(__raw_readsw)
diff --git a/arch/arm/lib/io-writesb.S b/arch/arm/lib/io-writesb.S
index fa3633594415..a46bbc9b168b 100644
--- a/arch/arm/lib/io-writesb.S
+++ b/arch/arm/lib/io-writesb.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .macro  outword, rd
 #ifndef __ARMEB__
@@ -93,4 +92,3 @@ ENTRY(__raw_writesb)
                ldmfd   sp!, {r4, r5, pc}
 ENDPROC(__raw_writesb)
-EXPORT_SYMBOL(__raw_writesb)
diff --git a/arch/arm/lib/io-writesl.S b/arch/arm/lib/io-writesl.S
index 98ed6aec0b47..4ea2435988c1 100644
--- a/arch/arm/lib/io-writesl.S
+++ b/arch/arm/lib/io-writesl.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 ENTRY(__raw_writesl)
                teq     r2, #0          @ do we have to check for the zero len?
@@ -66,4 +65,3 @@ ENTRY(__raw_writesl)
                bne     6b
                ret     lr
 ENDPROC(__raw_writesl)
-EXPORT_SYMBOL(__raw_writesl)
diff --git a/arch/arm/lib/io-writesw-armv3.S b/arch/arm/lib/io-writesw-armv3.S
index 577184c082bb..121789eb6802 100644
--- a/arch/arm/lib/io-writesw-armv3.S
+++ b/arch/arm/lib/io-writesw-armv3.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 .Loutsw_bad_alignment:
                adr     r0, .Loutsw_bad_align_msg
@@ -125,4 +124,3 @@ ENTRY(__raw_writesw)
                strne   ip, [r0]
                ldmfd   sp!, {r4, r5, r6, pc}
-EXPORT_SYMBOL(__raw_writesw)
diff --git a/arch/arm/lib/io-writesw-armv4.S b/arch/arm/lib/io-writesw-armv4.S
index e335f489d1fc..269f90c51ad2 100644
--- a/arch/arm/lib/io-writesw-armv4.S
+++ b/arch/arm/lib/io-writesw-armv4.S
@@ -9,7 +9,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .macro  outword, rd
 #ifndef __ARMEB__
@@ -99,4 +98,3 @@ ENTRY(__raw_writesw)
                strneh  ip, [r0]
                ret     lr
 ENDPROC(__raw_writesw)
-EXPORT_SYMBOL(__raw_writesw)
diff --git a/arch/arm/lib/lib1funcs.S b/arch/arm/lib/lib1funcs.S
index f541bc013bff..9397b2e532af 100644
--- a/arch/arm/lib/lib1funcs.S
+++ b/arch/arm/lib/lib1funcs.S
@@ -36,7 +36,6 @@ Boston, MA 02111-1307, USA.  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
 .macro ARM_DIV_BODY dividend, divisor, result, curbit
@@ -239,8 +238,6 @@ UNWIND(.fnstart)
 UNWIND(.fnend)
 ENDPROC(__udivsi3)
 ENDPROC(__aeabi_uidiv)
-EXPORT_SYMBOL(__udivsi3)
-EXPORT_SYMBOL(__aeabi_uidiv)
 ENTRY(__umodsi3)
 UNWIND(.fnstart)
@@ -259,7 +256,6 @@ UNWIND(.fnstart)
 UNWIND(.fnend)
 ENDPROC(__umodsi3)
-EXPORT_SYMBOL(__umodsi3)
 #ifdef CONFIG_ARM_PATCH_IDIV
        .align 3
@@ -307,8 +303,6 @@ UNWIND(.fnstart)
 UNWIND(.fnend)
 ENDPROC(__divsi3)
 ENDPROC(__aeabi_idiv)
-EXPORT_SYMBOL(__divsi3)
-EXPORT_SYMBOL(__aeabi_idiv)
 ENTRY(__modsi3)
 UNWIND(.fnstart)
@@ -333,7 +327,6 @@ UNWIND(.fnstart)
 UNWIND(.fnend)
 ENDPROC(__modsi3)
-EXPORT_SYMBOL(__modsi3)
 #ifdef CONFIG_AEABI
@@ -350,7 +343,6 @@ UNWIND(.save {r0, r1, ip, lr}	)
 UNWIND(.fnend)
 ENDPROC(__aeabi_uidivmod)
-EXPORT_SYMBOL(__aeabi_uidivmod)
 ENTRY(__aeabi_idivmod)
 UNWIND(.fnstart)
@@ -364,7 +356,6 @@ UNWIND(.save {r0, r1, ip, lr}	)
 UNWIND(.fnend)
 ENDPROC(__aeabi_idivmod)
-EXPORT_SYMBOL(__aeabi_idivmod)
 #endif
diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S
index e40833981417..922dcd88b02b 100644
--- a/arch/arm/lib/lshrdi3.S
+++ b/arch/arm/lib/lshrdi3.S
@@ -28,7 +28,6 @@ Boston, MA 02110-1301, USA.  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 #ifdef __ARMEB__
 #define al r1
@@ -53,5 +52,3 @@ ENTRY(__aeabi_llsr)
 ENDPROC(__lshrdi3)
 ENDPROC(__aeabi_llsr)
-EXPORT_SYMBOL(__lshrdi3)
-EXPORT_SYMBOL(__aeabi_llsr)
diff --git a/arch/arm/lib/memchr.S b/arch/arm/lib/memchr.S
index 44182bf686a5..74a5bed6d999 100644
--- a/arch/arm/lib/memchr.S
+++ b/arch/arm/lib/memchr.S
@@ -11,7 +11,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
        .text
        .align  5
@@ -25,4 +24,3 @@ ENTRY(memchr)
 2:      movne   r0, #0
        ret     lr
 ENDPROC(memchr)
-EXPORT_SYMBOL(memchr)
diff --git a/arch/arm/lib/memcpy.S b/arch/arm/lib/memcpy.S
index 1be5b6ddf37c..64111bd4440b 100644
--- a/arch/arm/lib/memcpy.S
+++ b/arch/arm/lib/memcpy.S
@@ -13,7 +13,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
 #define LDR1W_SHIFT     0
 #define STR1W_SHIFT     0
@@ -69,5 +68,3 @@ ENTRY(memcpy)
 ENDPROC(memcpy)
 ENDPROC(mmiocpy)
-EXPORT_SYMBOL(memcpy)
-EXPORT_SYMBOL(mmiocpy)
diff --git a/arch/arm/lib/memmove.S b/arch/arm/lib/memmove.S
index 71dcc5400d02..69a9d47fc5ab 100644
--- a/arch/arm/lib/memmove.S
+++ b/arch/arm/lib/memmove.S
@@ -13,7 +13,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
                .text
@@ -226,4 +225,3 @@ ENTRY(memmove)
 18:             backward_copy_shift     push=24 pull=8
 ENDPROC(memmove)
-EXPORT_SYMBOL(memmove)
diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S
index 7b72044cba62..3c65e3bd790f 100644
--- a/arch/arm/lib/memset.S
+++ b/arch/arm/lib/memset.S
@@ -12,7 +12,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
        .text
        .align  5
@@ -136,5 +135,3 @@ UNWIND( .fnstart            )
 UNWIND( .fnend   )
 ENDPROC(memset)
 ENDPROC(mmioset)
-EXPORT_SYMBOL(memset)
-EXPORT_SYMBOL(mmioset)
diff --git a/arch/arm/lib/memzero.S b/arch/arm/lib/memzero.S
index 6dec26ed5bcc..0eded952e089 100644
--- a/arch/arm/lib/memzero.S
+++ b/arch/arm/lib/memzero.S
@@ -10,7 +10,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/unwind.h>
-#include <asm/export.h>
        .text
        .align  5
@@ -136,4 +135,3 @@ UNWIND(	.fnstart			)
        ret     lr                      @ 1
 UNWIND( .fnend                          )
 ENDPROC(__memzero)
-EXPORT_SYMBOL(__memzero)
diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S
index b8f12388ccac..204305956925 100644
--- a/arch/arm/lib/muldi3.S
+++ b/arch/arm/lib/muldi3.S
@@ -12,7 +12,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 #ifdef __ARMEB__
 #define xh r0
@@ -47,5 +46,3 @@ ENTRY(__aeabi_lmul)
 ENDPROC(__muldi3)
 ENDPROC(__aeabi_lmul)
-EXPORT_SYMBOL(__muldi3)
-EXPORT_SYMBOL(__aeabi_lmul)
diff --git a/arch/arm/lib/putuser.S b/arch/arm/lib/putuser.S
index 11de126e2ed6..38d660d3705f 100644
--- a/arch/arm/lib/putuser.S
+++ b/arch/arm/lib/putuser.S
@@ -31,7 +31,6 @@
 #include <asm/assembler.h>
 #include <asm/errno.h>
 #include <asm/domain.h>
-#include <asm/export.h>
 ENTRY(__put_user_1)
        check_uaccess r0, 1, r1, ip, __put_user_bad
@@ -39,7 +38,6 @@ ENTRY(__put_user_1)
        mov     r0, #0
        ret     lr
 ENDPROC(__put_user_1)
-EXPORT_SYMBOL(__put_user_1)
 ENTRY(__put_user_2)
        check_uaccess r0, 2, r1, ip, __put_user_bad
@@ -64,7 +62,6 @@ ENTRY(__put_user_2)
        mov     r0, #0
        ret     lr
 ENDPROC(__put_user_2)
-EXPORT_SYMBOL(__put_user_2)
 ENTRY(__put_user_4)
        check_uaccess r0, 4, r1, ip, __put_user_bad
@@ -72,7 +69,6 @@ ENTRY(__put_user_4)
        mov     r0, #0
        ret     lr
 ENDPROC(__put_user_4)
-EXPORT_SYMBOL(__put_user_4)
 ENTRY(__put_user_8)
        check_uaccess r0, 8, r1, ip, __put_user_bad
@@ -86,7 +82,6 @@ ENTRY(__put_user_8)
        mov     r0, #0
        ret     lr
 ENDPROC(__put_user_8)
-EXPORT_SYMBOL(__put_user_8)
 __put_user_bad:
        mov     r0, #-EFAULT
diff --git a/arch/arm/lib/strchr.S b/arch/arm/lib/strchr.S
index 7301f6e6046c..013d64c71e8d 100644
--- a/arch/arm/lib/strchr.S
+++ b/arch/arm/lib/strchr.S
@@ -11,7 +11,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .text
                .align  5
@@ -26,4 +25,3 @@ ENTRY(strchr)
                subeq   r0, r0, #1
                ret     lr
 ENDPROC(strchr)
-EXPORT_SYMBOL(strchr)
diff --git a/arch/arm/lib/strrchr.S b/arch/arm/lib/strrchr.S
index aaf9fd98b754..3cec1c7482c4 100644
--- a/arch/arm/lib/strrchr.S
+++ b/arch/arm/lib/strrchr.S
@@ -11,7 +11,6 @@
 */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
                .text
                .align  5
@@ -25,4 +24,3 @@ ENTRY(strrchr)
                mov     r0, r3
                ret     lr
 ENDPROC(strrchr)
-EXPORT_SYMBOL(strrchr)
diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c
index 1626e3a551a1..6bd1089b07e0 100644
--- a/arch/arm/lib/uaccess_with_memcpy.c
+++ b/arch/arm/lib/uaccess_with_memcpy.c
@@ -19,7 +19,6 @@
 #include <linux/gfp.h>
 #include <linux/highmem.h>
 #include <linux/hugetlb.h>
-#include <linux/export.h>
 #include <asm/current.h>
 #include <asm/page.h>
@@ -157,7 +156,6 @@ arm_copy_to_user(void __user *to, const void *from, unsigned long n)
        }
        return n;
 }
-EXPORT_SYMBOL(arm_copy_to_user);
        
 static unsigned long noinline
 __clear_user_memset(void __user *addr, unsigned long n)
@@ -215,7 +213,6 @@ unsigned long arm_clear_user(void __user *addr, unsigned long n)
        }
        return n;
 }
-EXPORT_SYMBOL(arm_clear_user);
 #if 0
diff --git a/arch/arm/lib/ucmpdi2.S b/arch/arm/lib/ucmpdi2.S
index 127a91af46f3..ad4a6309141a 100644
--- a/arch/arm/lib/ucmpdi2.S
+++ b/arch/arm/lib/ucmpdi2.S
@@ -12,7 +12,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 #ifdef __ARMEB__
 #define xh r0
@@ -36,7 +35,6 @@ ENTRY(__ucmpdi2)
        ret     lr
 ENDPROC(__ucmpdi2)
-EXPORT_SYMBOL(__ucmpdi2)
 #ifdef CONFIG_AEABI
@@ -50,7 +48,6 @@ ENTRY(__aeabi_ulcmp)
        ret     lr
 ENDPROC(__aeabi_ulcmp)
-EXPORT_SYMBOL(__aeabi_ulcmp)
 #endif
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 737450fe790c..cab128913e72 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -32,6 +32,7 @@ endif
 ifdef CONFIG_SND_IMX_SOC
 obj-y += ssi-fiq.o
+obj-y += ssi-fiq-ksym.o
 endif
 # i.MX21 based machines
diff --git a/arch/arm/mach-imx/ssi-fiq-ksym.c b/arch/arm/mach-imx/ssi-fiq-ksym.c
new file mode 100644
index 000000000000..792090f9a032
--- /dev/null
+++ b/arch/arm/mach-imx/ssi-fiq-ksym.c
@@ -0,0 +1,20 @@
+/*
+ * Exported ksyms for the SSI FIQ handler
+ *
+ * Copyright (C) 2009, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/platform_data/asoc-imx-ssi.h>
+EXPORT_SYMBOL(imx_ssi_fiq_tx_buffer);
+EXPORT_SYMBOL(imx_ssi_fiq_rx_buffer);
+EXPORT_SYMBOL(imx_ssi_fiq_start);
+EXPORT_SYMBOL(imx_ssi_fiq_end);
+EXPORT_SYMBOL(imx_ssi_fiq_base);
diff --git a/arch/arm/mach-imx/ssi-fiq.S b/arch/arm/mach-imx/ssi-fiq.S
index fd7917f1c204..a8b93c5f29b5 100644
--- a/arch/arm/mach-imx/ssi-fiq.S
+++ b/arch/arm/mach-imx/ssi-fiq.S
@@ -8,7 +8,6 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/export.h>
 /*
 * r8  = bit 0-15: tx offset, bit 16-31: tx buffer size
@@ -145,8 +144,4 @@ imx_ssi_fiq_tx_buffer:
                .word 0x0
 .L_imx_ssi_fiq_end:
 imx_ssi_fiq_end:
-EXPORT_SYMBOL(imx_ssi_fiq_tx_buffer)
-EXPORT_SYMBOL(imx_ssi_fiq_rx_buffer)
-EXPORT_SYMBOL(imx_ssi_fiq_start)
-EXPORT_SYMBOL(imx_ssi_fiq_end)
-EXPORT_SYMBOL(imx_ssi_fiq_base)
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 71c4a3aa3752..a14b86587013 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -34,7 +34,9 @@ config PARISC
        select HAVE_ARCH_HASH
        select HAVE_ARCH_SECCOMP_FILTER
        select HAVE_ARCH_TRACEHOOK
-        select HAVE_UNSTABLE_SCHED_CLOCK if (SMP || !64BIT)
+        select GENERIC_SCHED_CLOCK
+        select HAVE_UNSTABLE_SCHED_CLOCK if SMP
+        select GENERIC_CLOCKEVENTS
        select ARCH_NO_COHERENT_DMA_MMAP
        select CPU_NO_EFFICIENT_FFS
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 629eb464d5ba..c263301648f3 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -369,6 +369,7 @@ void __init parisc_setup_cache_timing(void)
 {
        unsigned long rangetime, alltime;
        unsigned long size, start;
+        unsigned long threshold;
        alltime = mfctl(16);
        flush_data_cache();
@@ -382,17 +383,12 @@ void __init parisc_setup_cache_timing(void)
        printk(KERN_DEBUG "Whole cache flush %lu cycles, flushing %lu bytes %lu cycles\n",
                alltime, size, rangetime);
-        /* Racy, but if we see an intermediate value, it's ok too... */
+        threshold = L1_CACHE_ALIGN(size * alltime / rangetime);
-        parisc_cache_flush_threshold = size * alltime / rangetime;
+        if (threshold > cache_info.dc_size)
+                threshold = cache_info.dc_size;
-        parisc_cache_flush_threshold = L1_CACHE_ALIGN(parisc_cache_flush_threshold);
+        if (threshold)
-        if (!parisc_cache_flush_threshold)
+                parisc_cache_flush_threshold = threshold;
-                parisc_cache_flush_threshold = FLUSH_THRESHOLD;
+        printk(KERN_INFO "Cache flush threshold set to %lu KiB\n",
-        if (parisc_cache_flush_threshold > cache_info.dc_size)
-                parisc_cache_flush_threshold = cache_info.dc_size;
-        printk(KERN_INFO "Setting cache flush threshold to %lu kB\n",
                parisc_cache_flush_threshold/1024);
        /* calculate TLB flush threshold */
@@ -401,7 +397,7 @@ void __init parisc_setup_cache_timing(void)
        flush_tlb_all();
        alltime = mfctl(16) - alltime;
-        size = PAGE_SIZE;
+        size = 0;
        start = (unsigned long) _text;
        rangetime = mfctl(16);
        while (start < (unsigned long) _end) {
@@ -414,13 +410,10 @@ void __init parisc_setup_cache_timing(void)
        printk(KERN_DEBUG "Whole TLB flush %lu cycles, flushing %lu bytes %lu cycles\n",
                alltime, size, rangetime);
-        parisc_tlb_flush_threshold = size * alltime / rangetime;
+        threshold = PAGE_ALIGN(num_online_cpus() * size * alltime / rangetime);
-        parisc_tlb_flush_threshold *= num_online_cpus();
+        if (threshold)
-        parisc_tlb_flush_threshold = PAGE_ALIGN(parisc_tlb_flush_threshold);
+                parisc_tlb_flush_threshold = threshold;
-        if (!parisc_tlb_flush_threshold)
+        printk(KERN_INFO "TLB flush threshold set to %lu KiB\n",
-                parisc_tlb_flush_threshold = FLUSH_TLB_THRESHOLD;
-        printk(KERN_INFO "Setting TLB flush threshold to %lu kB\n",
                parisc_tlb_flush_threshold/1024);
 }
diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c
index 545f9d2fe711..c05d1876d27c 100644
--- a/arch/parisc/kernel/inventory.c
+++ b/arch/parisc/kernel/inventory.c
@@ -58,7 +58,7 @@ void __init setup_pdc(void)
        status = pdc_system_map_find_mods(&module_result, &module_path, 0);
        if (status == PDC_OK) {
                pdc_type = PDC_TYPE_SYSTEM_MAP;
-                printk("System Map.\n");
+                pr_cont("System Map.\n");
                return;
        }
@@ -77,7 +77,7 @@ void __init setup_pdc(void)
        status = pdc_pat_cell_get_number(&cell_info);
        if (status == PDC_OK) {
                pdc_type = PDC_TYPE_PAT;
-                printk("64 bit PAT.\n");
+                pr_cont("64 bit PAT.\n");
                return;
        }
 #endif
@@ -97,12 +97,12 @@ void __init setup_pdc(void)
        case 0xC:               /* 715/64, at least */
                pdc_type = PDC_TYPE_SNAKE;
-                printk("Snake.\n");
+                pr_cont("Snake.\n");
                return;
        default:                /* Everything else */
-                printk("Unsupported.\n");
+                pr_cont("Unsupported.\n");
                panic("If this is a 64-bit machine, please try a 64-bit kernel.\n");
        }
 }
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index 985e06da37f5..1b39a2acaadf 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -96,7 +96,7 @@ fitmanyloop:					/* Loop if LOOP >= 2 */
 fitmanymiddle:                                  /* Loop if LOOP >= 2 */
        addib,COND(>)           -1, %r31, fitmanymiddle /* Adjusted inner loop decr */
-        pitlbe          0(%sr1, %r28)
+        pitlbe          %r0(%sr1, %r28)
        pitlbe,m        %arg1(%sr1, %r28)       /* Last pitlbe and addr adjust */
        addib,COND(>)           -1, %r29, fitmanymiddle /* Middle loop decr */
        copy            %arg3, %r31             /* Re-init inner loop count */
@@ -139,7 +139,7 @@ fdtmanyloop:					/* Loop if LOOP >= 2 */
 fdtmanymiddle:                                  /* Loop if LOOP >= 2 */
        addib,COND(>)           -1, %r31, fdtmanymiddle /* Adjusted inner loop decr */
-        pdtlbe          0(%sr1, %r28)
+        pdtlbe          %r0(%sr1, %r28)
        pdtlbe,m        %arg1(%sr1, %r28)       /* Last pdtlbe and addr adjust */
        addib,COND(>)           -1, %r29, fdtmanymiddle /* Middle loop decr */
        copy            %arg3, %r31             /* Re-init inner loop count */
@@ -626,12 +626,12 @@ ENTRY_CFI(copy_user_page_asm)
        /* Purge any old translations */
 #ifdef CONFIG_PA20
-        pdtlb,l         0(%r28)
+        pdtlb,l         %r0(%r28)
-        pdtlb,l         0(%r29)
+        pdtlb,l         %r0(%r29)
 #else
        tlb_lock        %r20,%r21,%r22
-        pdtlb           0(%r28)
+        pdtlb           %r0(%r28)
-        pdtlb           0(%r29)
+        pdtlb           %r0(%r29)
        tlb_unlock      %r20,%r21,%r22
 #endif
@@ -774,10 +774,10 @@ ENTRY_CFI(clear_user_page_asm)
        /* Purge any old translation */
 #ifdef CONFIG_PA20
-        pdtlb,l         0(%r28)
+        pdtlb,l         %r0(%r28)
 #else
        tlb_lock        %r20,%r21,%r22
-        pdtlb           0(%r28)
+        pdtlb           %r0(%r28)
        tlb_unlock      %r20,%r21,%r22
 #endif
@@ -858,10 +858,10 @@ ENTRY_CFI(flush_dcache_page_asm)
        /* Purge any old translation */
 #ifdef CONFIG_PA20
-        pdtlb,l         0(%r28)
+        pdtlb,l         %r0(%r28)
 #else
        tlb_lock        %r20,%r21,%r22
-        pdtlb           0(%r28)
+        pdtlb           %r0(%r28)
        tlb_unlock      %r20,%r21,%r22
 #endif
@@ -898,10 +898,10 @@ ENTRY_CFI(flush_dcache_page_asm)
        sync
 #ifdef CONFIG_PA20
-        pdtlb,l         0(%r25)
+        pdtlb,l         %r0(%r25)
 #else
        tlb_lock        %r20,%r21,%r22
-        pdtlb           0(%r25)
+        pdtlb           %r0(%r25)
        tlb_unlock      %r20,%r21,%r22
 #endif
@@ -931,13 +931,18 @@ ENTRY_CFI(flush_icache_page_asm)
        depwi           0, 31,PAGE_SHIFT, %r28  /* Clear any offset bits */
 #endif
-        /* Purge any old translation */
+        /* Purge any old translation.  Note that the FIC instruction
+         * may use either the instruction or data TLB.  Given that we
+         * have a flat address space, it's not clear which TLB will be
+         * used.  So, we purge both entries.  */
 #ifdef CONFIG_PA20
+        pdtlb,l         %r0(%r28)
        pitlb,l         %r0(%sr4,%r28)
 #else
        tlb_lock        %r20,%r21,%r22
-        pitlb           (%sr4,%r28)
+        pdtlb           %r0(%r28)
+        pitlb           %r0(%sr4,%r28)
        tlb_unlock      %r20,%r21,%r22
 #endif
@@ -976,10 +981,12 @@ ENTRY_CFI(flush_icache_page_asm)
        sync
 #ifdef CONFIG_PA20
+        pdtlb,l         %r0(%r28)
        pitlb,l         %r0(%sr4,%r25)
 #else
        tlb_lock        %r20,%r21,%r22
-        pitlb           (%sr4,%r25)
+        pdtlb           %r0(%r28)
+        pitlb           %r0(%sr4,%r25)
        tlb_unlock      %r20,%r21,%r22
 #endif
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 02d9ed0f3949..494ff6e8c88a 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -95,8 +95,8 @@ static inline int map_pte_uncached(pte_t * pte,
                if (!pte_none(*pte))
                        printk(KERN_ERR "map_pte_uncached: page already exists\n");
-                set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC));
                purge_tlb_start(flags);
+                set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC));
                pdtlb_kernel(orig_vaddr);
                purge_tlb_end(flags);
                vaddr += PAGE_SIZE;
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 81d6f6391944..2e66a887788e 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -334,6 +334,10 @@ static int __init parisc_init(void)
        /* tell PDC we're Linux. Nevermind failure. */
        pdc_stable_write(0x40, &osid, sizeof(osid));
        
+        /* start with known state */
+        flush_cache_all_local();
+        flush_tlb_all_local(NULL);
        processor_init();
 #ifdef CONFIG_SMP
        pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n",
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 9b63b876a13a..325f30d82b64 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/sched.h>
+#include <linux/sched_clock.h>
 #include <linux/kernel.h>
 #include <linux/param.h>
 #include <linux/string.h>
@@ -39,18 +40,6 @@
 static unsigned long clocktick __read_mostly;   /* timer cycles per tick */
-#ifndef CONFIG_64BIT
-/*
- * The processor-internal cycle counter (Control Register 16) is used as time
- * source for the sched_clock() function.  This register is 64bit wide on a
- * 64-bit kernel and 32bit on a 32-bit kernel. Since sched_clock() always
- * requires a 64bit counter we emulate on the 32-bit kernel the higher 32bits
- * with a per-cpu variable which we increase every time the counter
- * wraps-around (which happens every ~4 secounds).
- */
-static DEFINE_PER_CPU(unsigned long, cr16_high_32_bits);
-#endif
 /*
 * We keep time on PA-RISC Linux by using the Interval Timer which is
 * a pair of registers; one is read-only and one is write-only; both
@@ -121,12 +110,6 @@ irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id)
         */
        mtctl(next_tick, 16);
-#if !defined(CONFIG_64BIT)
-        /* check for overflow on a 32bit kernel (every ~4 seconds). */
-        if (unlikely(next_tick < now))
-                this_cpu_inc(cr16_high_32_bits);
-#endif
        /* Skip one clocktick on purpose if we missed next_tick.
         * The new CR16 must be "later" than current CR16 otherwise
         * itimer would not fire until CR16 wrapped - e.g 4 seconds
@@ -208,7 +191,7 @@ EXPORT_SYMBOL(profile_pc);
 /* clock source code */
-static cycle_t read_cr16(struct clocksource *cs)
+static cycle_t notrace read_cr16(struct clocksource *cs)
 {
        return get_cycles();
 }
@@ -287,26 +270,9 @@ void read_persistent_clock(struct timespec *ts)
 }
-/*
+static u64 notrace read_cr16_sched_clock(void)
- * sched_clock() framework
- */
-static u32 cyc2ns_mul __read_mostly;
-static u32 cyc2ns_shift __read_mostly;
-u64 sched_clock(void)
 {
-        u64 now;
+        return get_cycles();
-        /* Get current cycle counter (Control Register 16). */
-#ifdef CONFIG_64BIT
-        now = mfctl(16);
-#else
-        now = mfctl(16) + (((u64) this_cpu_read(cr16_high_32_bits)) << 32);
-#endif
-        /* return the value in ns (cycles_2_ns) */
-        return mul_u64_u32_shr(now, cyc2ns_mul, cyc2ns_shift);
 }
@@ -316,17 +282,16 @@ u64 sched_clock(void)
 void __init time_init(void)
 {
-        unsigned long current_cr16_khz;
+        unsigned long cr16_hz;
-        current_cr16_khz = PAGE0->mem_10msec/10;  /* kHz */
        clocktick = (100 * PAGE0->mem_10msec) / HZ;
-        /* calculate mult/shift values for cr16 */
-        clocks_calc_mult_shift(&cyc2ns_mul, &cyc2ns_shift, current_cr16_khz,
-                                NSEC_PER_MSEC, 0);
        start_cpu_itimer();     /* get CPU 0 started */
+        cr16_hz = 100 * PAGE0->mem_10msec;  /* Hz */
        /* register at clocksource framework */
-        clocksource_register_khz(&clocksource_cr16, current_cr16_khz);
+        clocksource_register_hz(&clocksource_cr16, cr16_hz);
+        /* register as sched_clock source */
+        sched_clock_register(read_cr16_sched_clock, BITS_PER_LONG, cr16_hz);
 }
diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c
index 57d42d129033..78aaf4ffd7ab 100644
--- a/arch/powerpc/boot/main.c
+++ b/arch/powerpc/boot/main.c
@@ -232,8 +232,12 @@ void start(void)
                console_ops.close();
        kentry = (kernel_entry_t) vmlinux.addr;
-        if (ft_addr)
+        if (ft_addr) {
-                kentry(ft_addr, 0, NULL);
+                if(platform_ops.kentry)
+                        platform_ops.kentry(ft_addr, vmlinux.addr);
+                else
+                        kentry(ft_addr, 0, NULL);
+        }
        else
                kentry((unsigned long)initrd.addr, initrd.size,
                       loader_info.promptr);
diff --git a/arch/powerpc/boot/opal-calls.S b/arch/powerpc/boot/opal-calls.S
index ff2f1b97bc53..2a99fc9a3ccf 100644
--- a/arch/powerpc/boot/opal-calls.S
+++ b/arch/powerpc/boot/opal-calls.S
@@ -12,6 +12,19 @@
        .text
+        .globl opal_kentry
+opal_kentry:
+        /* r3 is the fdt ptr */
+        mtctr r4
+        li      r4, 0
+        li      r5, 0
+        li      r6, 0
+        li      r7, 0
+        ld      r11,opal@got(r2)
+        ld      r8,0(r11)
+        ld      r9,8(r11)
+        bctr
 #define OPAL_CALL(name, token)                          \
        .globl name;                                    \
 name:                                                   \
diff --git a/arch/powerpc/boot/opal.c b/arch/powerpc/boot/opal.c
index 1f37e1c1d6d8..d7b4fd47eb44 100644
--- a/arch/powerpc/boot/opal.c
+++ b/arch/powerpc/boot/opal.c
@@ -23,14 +23,25 @@ struct opal {
 static u32 opal_con_id;
+/* see opal-wrappers.S */
 int64_t opal_console_write(int64_t term_number, u64 *length, const u8 *buffer);
 int64_t opal_console_read(int64_t term_number, uint64_t *length, u8 *buffer);
 int64_t opal_console_write_buffer_space(uint64_t term_number, uint64_t *length);
 int64_t opal_console_flush(uint64_t term_number);
 int64_t opal_poll_events(uint64_t *outstanding_event_mask);
+void opal_kentry(unsigned long fdt_addr, void *vmlinux_addr);
 static int opal_con_open(void)
 {
+        /*
+         * When OPAL loads the boot kernel it stashes the OPAL base and entry
+         * address in r8 and r9 so the kernel can use the OPAL console
+         * before unflattening the devicetree. While executing the wrapper will
+         * probably trash r8 and r9 so this kentry hook restores them before
+         * entering the decompressed kernel.
+         */
+        platform_ops.kentry = opal_kentry;
        return 0;
 }
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 309d1b127e96..fad1862f4b2d 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -30,6 +30,7 @@ struct platform_ops {
        void *  (*realloc)(void *ptr, unsigned long size);
        void    (*exit)(void);
        void *  (*vmlinux_alloc)(unsigned long size);
+        void    (*kentry)(unsigned long fdt_addr, void *vmlinux_addr);
 };
 extern struct platform_ops platform_ops;
diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index d1492736d852..e0baba1535e6 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -14,6 +14,10 @@
 #include <linux/threads.h>
 #include <linux/kprobes.h>
+#include <asm/cacheflush.h>
+#include <asm/checksum.h>
+#include <asm/uaccess.h>
+#include <asm/epapr_hcalls.h>
 #include <uapi/asm/ucontext.h>
@@ -109,4 +113,12 @@ void early_setup_secondary(void);
 /* time */
 void accumulate_stolen_time(void);
+/* misc runtime */
+extern u64 __bswapdi2(u64);
+extern s64 __lshrdi3(s64, int);
+extern s64 __ashldi3(s64, int);
+extern s64 __ashrdi3(s64, int);
+extern int __cmpdi2(s64, s64);
+extern int __ucmpdi2(u64, u64);
 #endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index e88368354e49..e311c25751a4 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -29,6 +29,12 @@
 */
 /*
+ * Kernel read only support.
+ * We added the ppp value 0b110 in ISA 2.04.
+ */
+#define MMU_FTR_KERNEL_RO               ASM_CONST(0x00004000)
+/*
 * We need to clear top 16bits of va (from the remaining 64 bits )in
 * tlbie* instructions
 */
@@ -103,10 +109,10 @@
 #define MMU_FTRS_POWER4         MMU_FTRS_DEFAULT_HPTE_ARCH_V2
 #define MMU_FTRS_PPC970         MMU_FTRS_POWER4 | MMU_FTR_TLBIE_CROP_VA
 #define MMU_FTRS_POWER5         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
-#define MMU_FTRS_POWER6         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
+#define MMU_FTRS_POWER6         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
-#define MMU_FTRS_POWER7         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
+#define MMU_FTRS_POWER7         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
-#define MMU_FTRS_POWER8         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
+#define MMU_FTRS_POWER8         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
-#define MMU_FTRS_POWER9         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
+#define MMU_FTRS_POWER9         MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
 #define MMU_FTRS_CELL           MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
                                MMU_FTR_CI_LARGE_PAGE
 #define MMU_FTRS_PA6T           MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 9cd4e8cbc78c..9e1499f98def 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -355,6 +355,7 @@
 #define     LPCR_PECE0          ASM_CONST(0x0000000000004000)   /* ext. exceptions can cause exit */
 #define     LPCR_PECE1          ASM_CONST(0x0000000000002000)   /* decrementer can cause exit */
 #define     LPCR_PECE2          ASM_CONST(0x0000000000001000)   /* machine check etc can cause exit */
+#define     LPCR_PECE_HVEE      ASM_CONST(0x0000400000000000)   /* P9 Wakeup on HV interrupts */
 #define   LPCR_MER              ASM_CONST(0x0000000000000800)   /* Mediated External Exception */
 #define   LPCR_MER_SH           11
 #define   LPCR_TC               ASM_CONST(0x0000000000000200)   /* Translation control */
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 52ff3f025437..37c027ca83b2 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -98,8 +98,8 @@ _GLOBAL(__setup_cpu_power9)
        li      r0,0
        mtspr   SPRN_LPID,r0
        mfspr   r3,SPRN_LPCR
-        ori     r3, r3, LPCR_PECEDH
+        LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE)
-        ori     r3, r3, LPCR_HVICE
+        or      r3, r3, r4
        bl      __init_LPCR
        bl      __init_HFSCR
        bl      __init_tlb_power9
@@ -118,8 +118,8 @@ _GLOBAL(__restore_cpu_power9)
        li      r0,0
        mtspr   SPRN_LPID,r0
        mfspr   r3,SPRN_LPCR
-        ori     r3, r3, LPCR_PECEDH
+        LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE)
-        ori     r3, r3, LPCR_HVICE
+        or      r3, r3, r4
        bl      __init_LPCR
        bl      __init_HFSCR
        bl      __init_tlb_power9
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 5503078090cd..78dabf065ba9 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -193,8 +193,12 @@ unsigned long htab_convert_pte_flags(unsigned long pteflags)
                /*
                 * Kernel read only mapped with ppp bits 0b110
                 */
-                if (!(pteflags & _PAGE_WRITE))
+                if (!(pteflags & _PAGE_WRITE)) {
-                        rflags |= (HPTE_R_PP0 | 0x2);
+                        if (mmu_has_feature(MMU_FTR_KERNEL_RO))
+                                rflags |= (HPTE_R_PP0 | 0x2);
+                        else
+                                rflags |= 0x3;
+                }
        } else {
                if (pteflags & _PAGE_RWX)
                        rflags |= 0x2;
diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c
index 178989e6d3e3..ea960d660917 100644
--- a/arch/tile/kernel/time.c
+++ b/arch/tile/kernel/time.c
@@ -218,8 +218,8 @@ void do_timer_interrupt(struct pt_regs *regs, int fault_num)
 */
 unsigned long long sched_clock(void)
 {
-        return clocksource_cyc2ns(get_cycles(),
+        return mult_frac(get_cycles(),
-                                  sched_clock_mult, SCHED_CLOCK_SHIFT);
+                         sched_clock_mult, 1ULL << SCHED_CLOCK_SHIFT);
 }
 int setup_profiling_timer(unsigned int multiplier)
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 536ccfcc01c6..34d9e15857c3 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -40,8 +40,8 @@ GCOV_PROFILE := n
 UBSAN_SANITIZE :=n
 LDFLAGS := -m elf_$(UTS_MACHINE)
-ifeq ($(CONFIG_RELOCATABLE),y)
+# Compressed kernel should be built as PIE since it may be loaded at any
-# If kernel is relocatable, build compressed kernel as PIE.
+# address by the bootloader.
 ifeq ($(CONFIG_X86_32),y)
 LDFLAGS += $(call ld-option, -pie) $(call ld-option, --no-dynamic-linker)
 else
@@ -51,7 +51,6 @@ else
 LDFLAGS += $(shell $(LD) --help 2>&1 | grep -q "\-z noreloc-overflow" \
        && echo "-z noreloc-overflow -pie --no-dynamic-linker")
 endif
-endif
 LDFLAGS_vmlinux := -T
 hostprogs-y     := mkpiggy
diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c
index 26240dde081e..4224ede43b4e 100644
--- a/arch/x86/boot/cpu.c
+++ b/arch/x86/boot/cpu.c
@@ -87,6 +87,12 @@ int validate_cpu(void)
                return -1;
        }
+        if (CONFIG_X86_MINIMUM_CPU_FAMILY <= 4 && !IS_ENABLED(CONFIG_M486) &&
+            !has_eflag(X86_EFLAGS_ID)) {
+                printf("This kernel requires a CPU with the CPUID instruction.  Build with CONFIG_M486=y to run on this CPU.\n");
+                return -1;
+        }
        if (err_flags) {
                puts("This kernel requires the following features "
                     "not present on the CPU:\n");
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index f5f4b3fbbbc2..afb222b63cae 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -662,7 +662,13 @@ static int __init amd_core_pmu_init(void)
                pr_cont("Fam15h ");
                x86_pmu.get_event_constraints = amd_get_event_constraints_f15h;
                break;
+        case 0x17:
+                pr_cont("Fam17h ");
+                /*
+                 * In family 17h, there are no event constraints in the PMC hardware.
+                 * We fallback to using default amd_get_event_constraints.
+                 */
+                break;
        default:
                pr_err("core perfctr but no constraints; unknown hardware!\n");
                return -ENODEV;
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index d31735f37ed7..9d4bf3ab049e 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -2352,7 +2352,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry_ctx *ent
                frame.next_frame     = 0;
                frame.return_address = 0;
-                if (!access_ok(VERIFY_READ, fp, 8))
+                if (!valid_user_frame(fp, sizeof(frame)))
                        break;
                bytes = __copy_from_user_nmi(&frame.next_frame, fp, 4);
@@ -2362,9 +2362,6 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry_ctx *ent
                if (bytes != 0)
                        break;
-                if (!valid_user_frame(fp, sizeof(frame)))
-                        break;
                perf_callchain_store(entry, cs_base + frame.return_address);
                fp = compat_ptr(ss_base + frame.next_frame);
        }
@@ -2413,7 +2410,7 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs
                frame.next_frame             = NULL;
                frame.return_address = 0;
-                if (!access_ok(VERIFY_READ, fp, sizeof(*fp) * 2))
+                if (!valid_user_frame(fp, sizeof(frame)))
                        break;
                bytes = __copy_from_user_nmi(&frame.next_frame, fp, sizeof(*fp));
@@ -2423,9 +2420,6 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs
                if (bytes != 0)
                        break;
-                if (!valid_user_frame(fp, sizeof(frame)))
-                        break;
                perf_callchain_store(entry, frame.return_address);
                fp = (void __user *)frame.next_frame;
        }
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 0319311dbdbb..be202390bbd3 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1108,20 +1108,20 @@ static void setup_pebs_sample_data(struct perf_event *event,
        }
        /*
-         * We use the interrupt regs as a base because the PEBS record
+         * We use the interrupt regs as a base because the PEBS record does not
-         * does not contain a full regs set, specifically it seems to
+         * contain a full regs set, specifically it seems to lack segment
-         * lack segment descriptors, which get used by things like
+         * descriptors, which get used by things like user_mode().
-         * user_mode().
         *
-         * In the simple case fix up only the IP and BP,SP regs, for
+         * In the simple case fix up only the IP for PERF_SAMPLE_IP.
-         * PERF_SAMPLE_IP and PERF_SAMPLE_CALLCHAIN to function properly.
+         *
-         * A possible PERF_SAMPLE_REGS will have to transfer all regs.
+         * We must however always use BP,SP from iregs for the unwinder to stay
+         * sane; the record BP,SP can point into thin air when the record is
+         * from a previous PMI context or an (I)RET happend between the record
+         * and PMI.
         */
        *regs = *iregs;
        regs->flags = pebs->flags;
        set_linear_ip(regs, pebs->ip);
-        regs->bp = pebs->bp;
-        regs->sp = pebs->sp;
        if (sample_type & PERF_SAMPLE_REGS_INTR) {
                regs->ax = pebs->ax;
@@ -1130,10 +1130,21 @@ static void setup_pebs_sample_data(struct perf_event *event,
                regs->dx = pebs->dx;
                regs->si = pebs->si;
                regs->di = pebs->di;
-                regs->bp = pebs->bp;
-                regs->sp = pebs->sp;
-                regs->flags = pebs->flags;
+                /*
+                 * Per the above; only set BP,SP if we don't need callchains.
+                 *
+                 * XXX: does this make sense?
+                 */
+                if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
+                        regs->bp = pebs->bp;
+                        regs->sp = pebs->sp;
+                }
+                /*
+                 * Preserve PERF_EFLAGS_VM from set_linear_ip().
+                 */
+                regs->flags = pebs->flags | (regs->flags & PERF_EFLAGS_VM);
 #ifndef CONFIG_X86_32
                regs->r8 = pebs->r8;
                regs->r9 = pebs->r9;
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index efca2685d876..dbaaf7dc8373 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -319,9 +319,9 @@ static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type,
 */
 static int uncore_pmu_event_init(struct perf_event *event);
-static bool is_uncore_event(struct perf_event *event)
+static bool is_box_event(struct intel_uncore_box *box, struct perf_event *event)
 {
-        return event->pmu->event_init == uncore_pmu_event_init;
+        return &box->pmu->pmu == event->pmu;
 }
 static int
@@ -340,7 +340,7 @@ uncore_collect_events(struct intel_uncore_box *box, struct perf_event *leader,
        n = box->n_events;
-        if (is_uncore_event(leader)) {
+        if (is_box_event(box, leader)) {
                box->event_list[n] = leader;
                n++;
        }
@@ -349,7 +349,7 @@ uncore_collect_events(struct intel_uncore_box *box, struct perf_event *leader,
                return n;
        list_for_each_entry(event, &leader->sibling_list, group_entry) {
-                if (!is_uncore_event(event) ||
+                if (!is_box_event(box, event) ||
                    event->state <= PERF_EVENT_STATE_OFF)
                        continue;
diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c
index 81195cca7eae..a3dcc12bef4a 100644
--- a/arch/x86/events/intel/uncore_snb.c
+++ b/arch/x86/events/intel/uncore_snb.c
@@ -490,24 +490,12 @@ static int snb_uncore_imc_event_add(struct perf_event *event, int flags)
        snb_uncore_imc_event_start(event, 0);
-        box->n_events++;
        return 0;
 }
 static void snb_uncore_imc_event_del(struct perf_event *event, int flags)
 {
-        struct intel_uncore_box *box = uncore_event_to_box(event);
-        int i;
        snb_uncore_imc_event_stop(event, PERF_EF_UPDATE);
-        for (i = 0; i < box->n_events; i++) {
-                if (event == box->event_list[i]) {
-                        --box->n_events;
-                        break;
-                }
-        }
 }
 int snb_pci2phy_map_init(int devid)
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 5874d8de1f8d..a77ee026643d 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -113,7 +113,7 @@ struct debug_store {
 * Per register state.
 */
 struct er_account {
-        raw_spinlock_t          lock;   /* per-core: protect structure */
+        raw_spinlock_t      lock;       /* per-core: protect structure */
        u64                 config;     /* extra MSR config */
        u64                 reg;        /* extra MSR number */
        atomic_t            ref;        /* reference count */
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 9b7cf5c28f5f..85f854b98a9d 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -112,7 +112,7 @@ void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
                for (; stack < stack_info.end; stack++) {
                        unsigned long real_addr;
                        int reliable = 0;
-                        unsigned long addr = *stack;
+                        unsigned long addr = READ_ONCE_NOCHECK(*stack);
                        unsigned long *ret_addr_p =
                                unwind_get_return_address_ptr(&state);
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 47004010ad5d..ebb4e95fbd74 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -521,14 +521,14 @@ void fpu__clear(struct fpu *fpu)
 {
        WARN_ON_FPU(fpu != &current->thread.fpu); /* Almost certainly an anomaly */
-        if (!use_eager_fpu() || !static_cpu_has(X86_FEATURE_FPU)) {
+        fpu__drop(fpu);
-                /* FPU state will be reallocated lazily at the first use. */
-                fpu__drop(fpu);
+        /*
-        } else {
+         * Make sure fpstate is cleared and initialized.
-                if (!fpu->fpstate_active) {
+         */
-                        fpu__activate_curr(fpu);
+        if (static_cpu_has(X86_FEATURE_FPU)) {
-                        user_fpu_begin();
+                fpu__activate_curr(fpu);
-                }
+                user_fpu_begin();
                copy_init_fpstate_to_fpregs();
        }
 }
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index b6b2f0264af3..2dabea46f039 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -665,14 +665,17 @@ __PAGE_ALIGNED_BSS
 initial_pg_pmd:
        .fill 1024*KPMDS,4,0
 #else
-ENTRY(initial_page_table)
+.globl initial_page_table
+initial_page_table:
        .fill 1024,4,0
 #endif
 initial_pg_fixmap:
        .fill 1024,4,0
-ENTRY(empty_zero_page)
+.globl empty_zero_page
+empty_zero_page:
        .fill 4096,1,0
-ENTRY(swapper_pg_dir)
+.globl swapper_pg_dir
+swapper_pg_dir:
        .fill 1024,4,0
 EXPORT_SYMBOL(empty_zero_page)
diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c
index 764a29f84de7..85195d447a92 100644
--- a/arch/x86/kernel/sysfb_simplefb.c
+++ b/arch/x86/kernel/sysfb_simplefb.c
@@ -66,13 +66,36 @@ __init int create_simplefb(const struct screen_info *si,
 {
        struct platform_device *pd;
        struct resource res;
-        unsigned long len;
+        u64 base, size;
+        u32 length;
-        /* don't use lfb_size as it may contain the whole VMEM instead of only
+        /*
-         * the part that is occupied by the framebuffer */
+         * If the 64BIT_BASE capability is set, ext_lfb_base will contain the
-        len = mode->height * mode->stride;
+         * upper half of the base address. Assemble the address, then make sure
-        len = PAGE_ALIGN(len);
+         * it is valid and we can actually access it.
-        if (len > (u64)si->lfb_size << 16) {
+         */
+        base = si->lfb_base;
+        if (si->capabilities & VIDEO_CAPABILITY_64BIT_BASE)
+                base |= (u64)si->ext_lfb_base << 32;
+        if (!base || (u64)(resource_size_t)base != base) {
+                printk(KERN_DEBUG "sysfb: inaccessible VRAM base\n");
+                return -EINVAL;
+        }
+        /*
+         * Don't use lfb_size as IORESOURCE size, since it may contain the
+         * entire VMEM, and thus require huge mappings. Use just the part we
+         * need, that is, the part where the framebuffer is located. But verify
+         * that it does not exceed the advertised VMEM.
+         * Note that in case of VBE, the lfb_size is shifted by 16 bits for
+         * historical reasons.
+         */
+        size = si->lfb_size;
+        if (si->orig_video_isVGA == VIDEO_TYPE_VLFB)
+                size <<= 16;
+        length = mode->height * mode->stride;
+        length = PAGE_ALIGN(length);
+        if (length > size) {
                printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n");
                return -EINVAL;
        }
@@ -81,8 +104,8 @@ __init int create_simplefb(const struct screen_info *si,
        memset(&res, 0, sizeof(res));
        res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
        res.name = simplefb_resname;
-        res.start = si->lfb_base;
+        res.start = base;
-        res.end = si->lfb_base + len - 1;
+        res.end = res.start + length - 1;
        if (res.end <= res.start)
                return -EINVAL;
diff --git a/arch/x86/kernel/unwind_guess.c b/arch/x86/kernel/unwind_guess.c
index 2d721e533cf4..b80e8bf43cc6 100644
--- a/arch/x86/kernel/unwind_guess.c
+++ b/arch/x86/kernel/unwind_guess.c
@@ -7,11 +7,13 @@
 unsigned long unwind_get_return_address(struct unwind_state *state)
 {
+        unsigned long addr = READ_ONCE_NOCHECK(*state->sp);
        if (unwind_done(state))
                return 0;
        return ftrace_graph_ret_addr(state->task, &state->graph_idx,
-                                     *state->sp, state->sp);
+                                     addr, state->sp);
 }
 EXPORT_SYMBOL_GPL(unwind_get_return_address);
@@ -23,8 +25,10 @@ bool unwind_next_frame(struct unwind_state *state)
                return false;
        do {
+                unsigned long addr = READ_ONCE_NOCHECK(*state->sp);
                for (state->sp++; state->sp < info->end; state->sp++)
-                        if (__kernel_text_address(*state->sp))
+                        if (__kernel_text_address(addr))
                                return true;
                state->sp = info->next_sp;
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index cbd7b92585bb..a3ce9d260d68 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2105,16 +2105,10 @@ static int em_iret(struct x86_emulate_ctxt *ctxt)
 static int em_jmp_far(struct x86_emulate_ctxt *ctxt)
 {
        int rc;
-        unsigned short sel, old_sel;
+        unsigned short sel;
-        struct desc_struct old_desc, new_desc;
+        struct desc_struct new_desc;
-        const struct x86_emulate_ops *ops = ctxt->ops;
        u8 cpl = ctxt->ops->cpl(ctxt);
-        /* Assignment of RIP may only fail in 64-bit mode */
-        if (ctxt->mode == X86EMUL_MODE_PROT64)
-                ops->get_segment(ctxt, &old_sel, &old_desc, NULL,
-                                 VCPU_SREG_CS);
        memcpy(&sel, ctxt->src.valptr + ctxt->op_bytes, 2);
        rc = __load_segment_descriptor(ctxt, sel, VCPU_SREG_CS, cpl,
@@ -2124,12 +2118,10 @@ static int em_jmp_far(struct x86_emulate_ctxt *ctxt)
                return rc;
        rc = assign_eip_far(ctxt, ctxt->src.val, &new_desc);
-        if (rc != X86EMUL_CONTINUE) {
+        /* Error handling is not implemented. */
-                WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
+        if (rc != X86EMUL_CONTINUE)
-                /* assigning eip failed; restore the old cs */
+                return X86EMUL_UNHANDLEABLE;
-                ops->set_segment(ctxt, old_sel, &old_desc, 0, VCPU_SREG_CS);
-                return rc;
-        }
        return rc;
 }
@@ -2189,14 +2181,8 @@ static int em_ret_far(struct x86_emulate_ctxt *ctxt)
 {
        int rc;
        unsigned long eip, cs;
-        u16 old_cs;
        int cpl = ctxt->ops->cpl(ctxt);
-        struct desc_struct old_desc, new_desc;
+        struct desc_struct new_desc;
-        const struct x86_emulate_ops *ops = ctxt->ops;
-        if (ctxt->mode == X86EMUL_MODE_PROT64)
-                ops->get_segment(ctxt, &old_cs, &old_desc, NULL,
-                                 VCPU_SREG_CS);
        rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
        if (rc != X86EMUL_CONTINUE)
@@ -2213,10 +2199,10 @@ static int em_ret_far(struct x86_emulate_ctxt *ctxt)
        if (rc != X86EMUL_CONTINUE)
                return rc;
        rc = assign_eip_far(ctxt, eip, &new_desc);
-        if (rc != X86EMUL_CONTINUE) {
+        /* Error handling is not implemented. */
-                WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
+        if (rc != X86EMUL_CONTINUE)
-                ops->set_segment(ctxt, old_cs, &old_desc, 0, VCPU_SREG_CS);
+                return X86EMUL_UNHANDLEABLE;
-        }
        return rc;
 }
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index 1a22de70f7f7..6e219e5c07d2 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -94,7 +94,7 @@ static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic,
 static void rtc_irq_eoi_tracking_reset(struct kvm_ioapic *ioapic)
 {
        ioapic->rtc_status.pending_eoi = 0;
-        bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPUS);
+        bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPU_ID);
 }
 static void kvm_rtc_eoi_tracking_restore_all(struct kvm_ioapic *ioapic);
diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h
index 7d2692a49657..1cc6e54436db 100644
--- a/arch/x86/kvm/ioapic.h
+++ b/arch/x86/kvm/ioapic.h
@@ -42,13 +42,13 @@ struct kvm_vcpu;
 struct dest_map {
        /* vcpu bitmap where IRQ has been sent */
-        DECLARE_BITMAP(map, KVM_MAX_VCPUS);
+        DECLARE_BITMAP(map, KVM_MAX_VCPU_ID);
        /*
         * Vector sent to a given vcpu, only valid when
         * the vcpu's bit in map is set
         */
-        u8 vectors[KVM_MAX_VCPUS];
+        u8 vectors[KVM_MAX_VCPU_ID];
 };
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index 4da03030d5a7..6c0191615f23 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -41,6 +41,15 @@ static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e,
                           bool line_status)
 {
        struct kvm_pic *pic = pic_irqchip(kvm);
+        /*
+         * XXX: rejecting pic routes when pic isn't in use would be better,
+         * but the default routing table is installed while kvm->arch.vpic is
+         * NULL and KVM_CREATE_IRQCHIP can race with KVM_IRQ_LINE.
+         */
+        if (!pic)
+                return -1;
        return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level);
 }
@@ -49,6 +58,10 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e,
                              bool line_status)
 {
        struct kvm_ioapic *ioapic = kvm->arch.vioapic;
+        if (!ioapic)
+                return -1;
        return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, irq_source_id, level,
                                line_status);
 }
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 23b99f305382..6f69340f9fa3 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -138,7 +138,7 @@ static inline bool kvm_apic_map_get_logical_dest(struct kvm_apic_map *map,
                *mask = dest_id & 0xff;
                return true;
        case KVM_APIC_MODE_XAPIC_CLUSTER:
-                *cluster = map->xapic_cluster_map[dest_id >> 4];
+                *cluster = map->xapic_cluster_map[(dest_id >> 4) & 0xf];
                *mask = dest_id & 0xf;
                return true;
        default:
diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
index 79ae939970d3..fcd06f7526de 100644
--- a/arch/x86/mm/extable.c
+++ b/arch/x86/mm/extable.c
@@ -135,7 +135,12 @@ void __init early_fixup_exception(struct pt_regs *regs, int trapnr)
        if (early_recursion_flag > 2)
                goto halt_loop;
-        if (regs->cs != __KERNEL_CS)
+        /*
+         * Old CPUs leave the high bits of CS on the stack
+         * undefined.  I'm not sure which CPUs do this, but at least
+         * the 486 DX works this way.
+         */
+        if ((regs->cs & 0xFFFF) != __KERNEL_CS)
                goto fail;
        /*
diff --git a/arch/x86/platform/intel-mid/device_libs/Makefile b/arch/x86/platform/intel-mid/device_libs/Makefile
index 429d08be7848..dd6cfa4ad3ac 100644
--- a/arch/x86/platform/intel-mid/device_libs/Makefile
+++ b/arch/x86/platform/intel-mid/device_libs/Makefile
@@ -28,4 +28,4 @@ obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_pcal9555a.o
 obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_tca6416.o
 # MISC Devices
 obj-$(subst m,y,$(CONFIG_KEYBOARD_GPIO)) += platform_gpio_keys.o
-obj-$(subst m,y,$(CONFIG_INTEL_MID_WATCHDOG)) += platform_wdt.o
+obj-$(subst m,y,$(CONFIG_INTEL_MID_WATCHDOG)) += platform_mrfld_wdt.o
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_wdt.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c
index de734134bc8d..3f1f1c77d090 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_wdt.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c
@@ -1,5 +1,5 @@
 /*
- * platform_wdt.c: Watchdog platform library file
+ * Intel Merrifield watchdog platform device library file
 *
 * (C) Copyright 2014 Intel Corporation
 * Author: David Cohen <david.a.cohen@linux.intel.com>
@@ -14,7 +14,9 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/intel-mid_wdt.h>
 #include <asm/intel-mid.h>
+#include <asm/intel_scu_ipc.h>
 #include <asm/io_apic.h>
 #define TANGIER_EXT_TIMER0_MSI 15
@@ -50,14 +52,34 @@ static struct intel_mid_wdt_pdata tangier_pdata = {
        .probe = tangier_probe,
 };
-static int __init register_mid_wdt(void)
+static int wdt_scu_status_change(struct notifier_block *nb,
+                                 unsigned long code, void *data)
 {
-        if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER) {
+        if (code == SCU_DOWN) {
-                wdt_dev.dev.platform_data = &tangier_pdata;
+                platform_device_unregister(&wdt_dev);
-                return platform_device_register(&wdt_dev);
+                return 0;
        }
-        return -ENODEV;
+        return platform_device_register(&wdt_dev);
 }
+static struct notifier_block wdt_scu_notifier = {
+        .notifier_call  = wdt_scu_status_change,
+};
+static int __init register_mid_wdt(void)
+{
+        if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER)
+                return -ENODEV;
+        wdt_dev.dev.platform_data = &tangier_pdata;
+        /*
+         * We need to be sure that the SCU IPC is ready before watchdog device
+         * can be registered:
+         */
+        intel_scu_notifier_add(&wdt_scu_notifier);
+        return 0;
+}
 rootfs_initcall(register_mid_wdt);
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 05e21b464433..d19b09cdf284 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -214,7 +214,7 @@ static int hash_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
        ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0);
-        if (!result) {
+        if (!result && !ctx->more) {
                err = af_alg_wait_for_completion(
                                crypto_ahash_init(&ctx->req),
                                &ctx->completion);
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 865f46ea724f..c80765b211cf 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -133,7 +133,6 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen)
        return cert;
 error_decode:
-        kfree(cert->pub->key);
        kfree(ctx);
 error_no_ctx:
        x509_free_certificate(cert);
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index 52ce17a3dd63..c16c94f88733 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -68,10 +68,6 @@ void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
        sg = scatterwalk_ffwd(tmp, sg, start);
-        if (sg_page(sg) == virt_to_page(buf) &&
-            sg->offset == offset_in_page(buf))
-                return;
        scatterwalk_start(&walk, sg);
        scatterwalk_copychunks(buf, &walk, nbytes, out);
        scatterwalk_done(&walk, out, 0);
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index deb0ff78eba8..54abb26b7366 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -47,32 +47,15 @@ static void acpi_sleep_tts_switch(u32 acpi_state)
        }
 }
-static void acpi_sleep_pts_switch(u32 acpi_state)
+static int tts_notify_reboot(struct notifier_block *this,
-{
-        acpi_status status;
-        status = acpi_execute_simple_method(NULL, "\\_PTS", acpi_state);
-        if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-                /*
-                 * OS can't evaluate the _PTS object correctly. Some warning
-                 * message will be printed. But it won't break anything.
-                 */
-                printk(KERN_NOTICE "Failure in evaluating _PTS object\n");
-        }
-}
-static int sleep_notify_reboot(struct notifier_block *this,
                        unsigned long code, void *x)
 {
        acpi_sleep_tts_switch(ACPI_STATE_S5);
-        acpi_sleep_pts_switch(ACPI_STATE_S5);
        return NOTIFY_DONE;
 }
-static struct notifier_block sleep_notifier = {
+static struct notifier_block tts_notifier = {
-        .notifier_call  = sleep_notify_reboot,
+        .notifier_call  = tts_notify_reboot,
        .next           = NULL,
        .priority       = 0,
 };
@@ -916,9 +899,9 @@ int __init acpi_sleep_init(void)
        pr_info(PREFIX "(supports%s)\n", supported);
        /*
-         * Register the sleep_notifier to reboot notifier list so that the _TTS
+         * Register the tts_notifier to reboot notifier list so that the _TTS
-         * and _PTS object can also be evaluated when the system enters S5.
+         * object can also be evaluated when the system enters S5.
         */
-        register_reboot_notifier(&sleep_notifier);
+        register_reboot_notifier(&tts_notifier);
        return 0;
 }
diff --git a/drivers/clk/berlin/bg2.c b/drivers/clk/berlin/bg2.c
index edf3b96b3b73..1d99292e2039 100644
--- a/drivers/clk/berlin/bg2.c
+++ b/drivers/clk/berlin/bg2.c
@@ -685,7 +685,7 @@ static void __init berlin2_clock_setup(struct device_node *np)
        }
        /* register clk-provider */
-        of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data);
+        of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
        return;
diff --git a/drivers/clk/berlin/bg2q.c b/drivers/clk/berlin/bg2q.c
index 0718e831475f..3b784b593afd 100644
--- a/drivers/clk/berlin/bg2q.c
+++ b/drivers/clk/berlin/bg2q.c
@@ -382,7 +382,7 @@ static void __init berlin2q_clock_setup(struct device_node *np)
        }
        /* register clk-provider */
-        of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data);
+        of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
        return;
diff --git a/drivers/clk/clk-efm32gg.c b/drivers/clk/clk-efm32gg.c
index 8802a2dd56ac..f674778fb3ac 100644
--- a/drivers/clk/clk-efm32gg.c
+++ b/drivers/clk/clk-efm32gg.c
@@ -82,6 +82,6 @@ static void __init efm32gg_cmu_init(struct device_node *np)
        hws[clk_HFPERCLKDAC0] = clk_hw_register_gate(NULL, "HFPERCLK.DAC0",
                        "HFXO", 0, base + CMU_HFPERCLKEN0, 17, 0, NULL);
-        of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data);
+        of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
 }
 CLK_OF_DECLARE(efm32ggcmu, "efm32gg,cmu", efm32gg_cmu_init);
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
index 79596463e0d9..4a82a49cff5e 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
@@ -191,6 +191,8 @@ static struct clk_div_table axi_div_table[] = {
 static SUNXI_CCU_DIV_TABLE(axi_clk, "axi", "cpu",
                           0x050, 0, 3, axi_div_table, 0);
+#define SUN6I_A31_AHB1_REG  0x054
 static const char * const ahb1_parents[] = { "osc32k", "osc24M",
                                             "axi", "pll-periph" };
@@ -1230,6 +1232,16 @@ static void __init sun6i_a31_ccu_setup(struct device_node *node)
        val &= BIT(16);
        writel(val, reg + SUN6I_A31_PLL_MIPI_REG);
+        /* Force AHB1 to PLL6 / 3 */
+        val = readl(reg + SUN6I_A31_AHB1_REG);
+        /* set PLL6 pre-div = 3 */
+        val &= ~GENMASK(7, 6);
+        val |= 0x2 << 6;
+        /* select PLL6 / pre-div */
+        val &= ~GENMASK(13, 12);
+        val |= 0x3 << 12;
+        writel(val, reg + SUN6I_A31_AHB1_REG);
        sunxi_ccu_probe(node, reg, &sun6i_a31_ccu_desc);
        ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk,
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 838b22aa8b67..f2c9274b8bd5 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -373,7 +373,7 @@ static void sun4i_get_apb1_factors(struct factors_request *req)
        else
                calcp = 3;
-        calcm = (req->parent_rate >> calcp) - 1;
+        calcm = (div >> calcp) - 1;
        req->rate = (req->parent_rate >> calcp) / (calcm + 1);
        req->m = calcm;
diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c
index 0e499bfca41c..3d94ff20fdca 100644
--- a/drivers/dax/dax.c
+++ b/drivers/dax/dax.c
@@ -270,8 +270,8 @@ static int check_vma(struct dax_dev *dax_dev, struct vm_area_struct *vma,
        if (!dax_dev->alive)
                return -ENXIO;
-        /* prevent private / writable mappings from being established */
+        /* prevent private mappings from being established */
-        if ((vma->vm_flags & (VM_NORESERVE|VM_SHARED|VM_WRITE)) == VM_WRITE) {
+        if ((vma->vm_flags & VM_SHARED) != VM_SHARED) {
                dev_info(dev, "%s: %s: fail, attempted private mapping\n",
                                current->comm, func);
                return -EINVAL;
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c
index 4a15fa5df98b..73c6ce93a0d9 100644
--- a/drivers/dax/pmem.c
+++ b/drivers/dax/pmem.c
@@ -78,7 +78,9 @@ static int dax_pmem_probe(struct device *dev)
        nsio = to_nd_namespace_io(&ndns->dev);
        /* parse the 'pfn' info block via ->rw_bytes */
-        devm_nsio_enable(dev, nsio);
+        rc = devm_nsio_enable(dev, nsio);
+        if (rc)
+                return rc;
        altmap = nvdimm_setup_pfn(nd_pfn, &res, &__altmap);
        if (IS_ERR(altmap))
                return PTR_ERR(altmap);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index dae35a96a694..02ca5dd978f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -34,6 +34,7 @@ struct amdgpu_atpx {
 static struct amdgpu_atpx_priv {
        bool atpx_detected;
+        bool bridge_pm_usable;
        /* handle for device - and atpx */
        acpi_handle dhandle;
        acpi_handle other_handle;
@@ -205,7 +206,11 @@ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
        atpx->is_hybrid = false;
        if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
                printk("ATPX Hybrid Graphics\n");
-                atpx->functions.power_cntl = false;
+                /*
+                 * Disable legacy PM methods only when pcie port PM is usable,
+                 * otherwise the device might fail to power off or power on.
+                 */
+                atpx->functions.power_cntl = !amdgpu_atpx_priv.bridge_pm_usable;
                atpx->is_hybrid = true;
        }
@@ -480,6 +485,7 @@ static int amdgpu_atpx_power_state(enum vga_switcheroo_client_id id,
 */
 static bool amdgpu_atpx_pci_probe_handle(struct pci_dev *pdev)
 {
+        struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
        acpi_handle dhandle, atpx_handle;
        acpi_status status;
@@ -494,6 +500,7 @@ static bool amdgpu_atpx_pci_probe_handle(struct pci_dev *pdev)
        }
        amdgpu_atpx_priv.dhandle = dhandle;
        amdgpu_atpx_priv.atpx.handle = atpx_handle;
+        amdgpu_atpx_priv.bridge_pm_usable = parent_pdev && parent_pdev->bridge_d3;
        return true;
 }
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 13f2b705ea49..08cd0bd3ebe5 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -2984,19 +2984,19 @@ static int smu7_get_pp_table_entry_callback_func_v0(struct pp_hwmgr *hwmgr,
        if (!(data->mc_micro_code_feature & DISABLE_MC_LOADMICROCODE) && memory_clock > data->highest_mclk)
                data->highest_mclk = memory_clock;
-        performance_level = &(ps->performance_levels
-                        [ps->performance_level_count++]);
        PP_ASSERT_WITH_CODE(
                        (ps->performance_level_count < smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_GRAPHICS)),
                        "Performance levels exceeds SMC limit!",
                        return -EINVAL);
        PP_ASSERT_WITH_CODE(
-                        (ps->performance_level_count <=
+                        (ps->performance_level_count <
                                        hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
-                        "Performance levels exceeds Driver limit!",
+                        "Performance levels exceeds Driver limit, Skip!",
-                        return -EINVAL);
+                        return 0);
+        performance_level = &(ps->performance_levels
+                        [ps->performance_level_count++]);
        /* Performance levels are arranged from low to high. */
        performance_level->memory_clock = memory_clock;
diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
index 48019ae22ddb..28341b32067f 100644
--- a/drivers/gpu/drm/arm/hdlcd_crtc.c
+++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
@@ -150,15 +150,14 @@ static void hdlcd_crtc_enable(struct drm_crtc *crtc)
        clk_prepare_enable(hdlcd->clk);
        hdlcd_crtc_mode_set_nofb(crtc);
        hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 1);
+        drm_crtc_vblank_on(crtc);
 }
 static void hdlcd_crtc_disable(struct drm_crtc *crtc)
 {
        struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
-        if (!crtc->state->active)
+        drm_crtc_vblank_off(crtc);
-                return;
        hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 0);
        clk_disable_unprepare(hdlcd->clk);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index e8fb6ef947ee..38eaa63afb31 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1907,6 +1907,8 @@ err_disable_pm_runtime:
 err_hdmiphy:
        if (hdata->hdmiphy_port)
                put_device(&hdata->hdmiphy_port->dev);
+        if (hdata->regs_hdmiphy)
+                iounmap(hdata->regs_hdmiphy);
 err_ddc:
        put_device(&hdata->ddc_adpt->dev);
@@ -1929,6 +1931,9 @@ static int hdmi_remove(struct platform_device *pdev)
        if (hdata->hdmiphy_port)
                put_device(&hdata->hdmiphy_port->dev);
+        if (hdata->regs_hdmiphy)
+                iounmap(hdata->regs_hdmiphy);
        put_device(&hdata->ddc_adpt->dev);
        return 0;
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index f75c5b5a536c..c70310206ac5 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -251,13 +251,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
        if (irq < 0)
                return irq;
-        ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler,
-                               IRQF_TRIGGER_NONE, dev_name(dev), priv);
-        if (ret < 0) {
-                dev_err(dev, "Failed to request irq %d: %d\n", irq, ret);
-                return ret;
-        }
        comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_OVL);
        if (comp_id < 0) {
                dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
@@ -273,6 +266,13 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, priv);
+        ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler,
+                               IRQF_TRIGGER_NONE, dev_name(dev), priv);
+        if (ret < 0) {
+                dev_err(dev, "Failed to request irq %d: %d\n", irq, ret);
+                return ret;
+        }
        ret = component_add(dev, &mtk_disp_ovl_component_ops);
        if (ret)
                dev_err(dev, "Failed to add component: %d\n", ret);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index df33b3ca6ffd..48cc01fd20c7 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -123,7 +123,7 @@ static void mtk_od_config(struct mtk_ddp_comp *comp, unsigned int w,
                          unsigned int bpc)
 {
        writel(w << 16 | h, comp->regs + DISP_OD_SIZE);
-        writel(OD_RELAYMODE, comp->regs + OD_RELAYMODE);
+        writel(OD_RELAYMODE, comp->regs + DISP_OD_CFG);
        mtk_dither_set(comp, bpc, DISP_OD_CFG);
 }
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 28b2044ed9f2..eaa5a2240c0c 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -86,7 +86,7 @@
 #define DSI_PHY_TIMECON0        0x110
 #define LPX                             (0xff << 0)
-#define HS_PRPR                         (0xff << 8)
+#define HS_PREP                         (0xff << 8)
 #define HS_ZERO                         (0xff << 16)
 #define HS_TRAIL                        (0xff << 24)
@@ -102,10 +102,16 @@
 #define CLK_TRAIL                       (0xff << 24)
 #define DSI_PHY_TIMECON3        0x11c
-#define CLK_HS_PRPR                     (0xff << 0)
+#define CLK_HS_PREP                     (0xff << 0)
 #define CLK_HS_POST                     (0xff << 8)
 #define CLK_HS_EXIT                     (0xff << 16)
+#define T_LPX           5
+#define T_HS_PREP       6
+#define T_HS_TRAIL      8
+#define T_HS_EXIT       7
+#define T_HS_ZERO       10
 #define NS_TO_CYCLE(n, c)    ((n) / (c) + (((n) % (c)) ? 1 : 0))
 struct phy;
@@ -161,20 +167,18 @@ static void mtk_dsi_mask(struct mtk_dsi *dsi, u32 offset, u32 mask, u32 data)
 static void dsi_phy_timconfig(struct mtk_dsi *dsi)
 {
        u32 timcon0, timcon1, timcon2, timcon3;
-        unsigned int ui, cycle_time;
+        u32 ui, cycle_time;
-        unsigned int lpx;
        ui = 1000 / dsi->data_rate + 0x01;
        cycle_time = 8000 / dsi->data_rate + 0x01;
-        lpx = 5;
-        timcon0 = (8 << 24) | (0xa << 16) | (0x6 << 8) | lpx;
+        timcon0 = T_LPX | T_HS_PREP << 8 | T_HS_ZERO << 16 | T_HS_TRAIL << 24;
-        timcon1 = (7 << 24) | (5 * lpx << 16) | ((3 * lpx) / 2) << 8 |
+        timcon1 = 4 * T_LPX | (3 * T_LPX / 2) << 8 | 5 * T_LPX << 16 |
-                  (4 * lpx);
+                  T_HS_EXIT << 24;
        timcon2 = ((NS_TO_CYCLE(0x64, cycle_time) + 0xa) << 24) |
                  (NS_TO_CYCLE(0x150, cycle_time) << 16);
-        timcon3 = (2 * lpx) << 16 | NS_TO_CYCLE(80 + 52 * ui, cycle_time) << 8 |
+        timcon3 = NS_TO_CYCLE(0x40, cycle_time) | (2 * T_LPX) << 16 |
-                   NS_TO_CYCLE(0x40, cycle_time);
+                  NS_TO_CYCLE(80 + 52 * ui, cycle_time) << 8;
        writel(timcon0, dsi->regs + DSI_PHY_TIMECON0);
        writel(timcon1, dsi->regs + DSI_PHY_TIMECON1);
@@ -202,19 +206,47 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi)
 {
        struct device *dev = dsi->dev;
        int ret;
+        u64 pixel_clock, total_bits;
+        u32 htotal, htotal_bits, bit_per_pixel, overhead_cycles, overhead_bits;
        if (++dsi->refcount != 1)
                return 0;
+        switch (dsi->format) {
+        case MIPI_DSI_FMT_RGB565:
+                bit_per_pixel = 16;
+                break;
+        case MIPI_DSI_FMT_RGB666_PACKED:
+                bit_per_pixel = 18;
+                break;
+        case MIPI_DSI_FMT_RGB666:
+        case MIPI_DSI_FMT_RGB888:
+        default:
+                bit_per_pixel = 24;
+                break;
+        }
        /**
-         * data_rate = (pixel_clock / 1000) * pixel_dipth * mipi_ratio;
+         * vm.pixelclock is in kHz, pixel_clock unit is Hz, so multiply by 1000
-         * pixel_clock unit is Khz, data_rata unit is MHz, so need divide 1000.
+         * htotal_time = htotal * byte_per_pixel / num_lanes
-         * mipi_ratio is mipi clk coefficient for balance the pixel clk in mipi.
+         * overhead_time = lpx + hs_prepare + hs_zero + hs_trail + hs_exit
-         * we set mipi_ratio is 1.05.
+         * mipi_ratio = (htotal_time + overhead_time) / htotal_time
+         * data_rate = pixel_clock * bit_per_pixel * mipi_ratio / num_lanes;
         */
-        dsi->data_rate = dsi->vm.pixelclock * 3 * 21 / (1 * 1000 * 10);
+        pixel_clock = dsi->vm.pixelclock * 1000;
+        htotal = dsi->vm.hactive + dsi->vm.hback_porch + dsi->vm.hfront_porch +
+                        dsi->vm.hsync_len;
+        htotal_bits = htotal * bit_per_pixel;
+        overhead_cycles = T_LPX + T_HS_PREP + T_HS_ZERO + T_HS_TRAIL +
+                        T_HS_EXIT;
+        overhead_bits = overhead_cycles * dsi->lanes * 8;
+        total_bits = htotal_bits + overhead_bits;
+        dsi->data_rate = DIV_ROUND_UP_ULL(pixel_clock * total_bits,
+                                          htotal * dsi->lanes);
-        ret = clk_set_rate(dsi->hs_clk, dsi->data_rate * 1000000);
+        ret = clk_set_rate(dsi->hs_clk, dsi->data_rate);
        if (ret < 0) {
                dev_err(dev, "Failed to set data rate: %d\n", ret);
                goto err_refcount;
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 2fdcd04bc93f..4129b12521a6 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -34,6 +34,7 @@ struct radeon_atpx {
 static struct radeon_atpx_priv {
        bool atpx_detected;
+        bool bridge_pm_usable;
        /* handle for device - and atpx */
        acpi_handle dhandle;
        struct radeon_atpx atpx;
@@ -203,7 +204,11 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx)
        atpx->is_hybrid = false;
        if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
                printk("ATPX Hybrid Graphics\n");
-                atpx->functions.power_cntl = false;
+                /*
+                 * Disable legacy PM methods only when pcie port PM is usable,
+                 * otherwise the device might fail to power off or power on.
+                 */
+                atpx->functions.power_cntl = !radeon_atpx_priv.bridge_pm_usable;
                atpx->is_hybrid = true;
        }
@@ -474,6 +479,7 @@ static int radeon_atpx_power_state(enum vga_switcheroo_client_id id,
 */
 static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
 {
+        struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
        acpi_handle dhandle, atpx_handle;
        acpi_status status;
@@ -487,6 +493,7 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
        radeon_atpx_priv.dhandle = dhandle;
        radeon_atpx_priv.atpx.handle = atpx_handle;
+        radeon_atpx_priv.bridge_pm_usable = parent_pdev && parent_pdev->bridge_d3;
        return true;
 }
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index 086d8a507157..60d30203a5fa 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -32,6 +32,11 @@
 #include <linux/usb/ch9.h>
 #include "hid-ids.h"
+#define CP2112_REPORT_MAX_LENGTH                64
+#define CP2112_GPIO_CONFIG_LENGTH               5
+#define CP2112_GPIO_GET_LENGTH                  2
+#define CP2112_GPIO_SET_LENGTH                  3
 enum {
        CP2112_GPIO_CONFIG              = 0x02,
        CP2112_GPIO_GET                 = 0x03,
@@ -161,6 +166,8 @@ struct cp2112_device {
        atomic_t read_avail;
        atomic_t xfer_avail;
        struct gpio_chip gc;
+        u8 *in_out_buffer;
+        spinlock_t lock;
 };
 static int gpio_push_pull = 0xFF;
@@ -171,62 +178,86 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 {
        struct cp2112_device *dev = gpiochip_get_data(chip);
        struct hid_device *hdev = dev->hdev;
-        u8 buf[5];
+        u8 *buf = dev->in_out_buffer;
+        unsigned long flags;
        int ret;
+        spin_lock_irqsave(&dev->lock, flags);
        ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
-                                       sizeof(buf), HID_FEATURE_REPORT,
+                                 CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
-                                       HID_REQ_GET_REPORT);
+                                 HID_REQ_GET_REPORT);
-        if (ret != sizeof(buf)) {
+        if (ret != CP2112_GPIO_CONFIG_LENGTH) {
                hid_err(hdev, "error requesting GPIO config: %d\n", ret);
-                return ret;
+                goto exit;
        }
        buf[1] &= ~(1 << offset);
        buf[2] = gpio_push_pull;
-        ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),
+        ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
-                                 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+                                 CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
+                                 HID_REQ_SET_REPORT);
        if (ret < 0) {
                hid_err(hdev, "error setting GPIO config: %d\n", ret);
-                return ret;
+                goto exit;
        }
-        return 0;
+        ret = 0;
+exit:
+        spin_unlock_irqrestore(&dev->lock, flags);
+        return ret <= 0 ? ret : -EIO;
 }
 static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 {
        struct cp2112_device *dev = gpiochip_get_data(chip);
        struct hid_device *hdev = dev->hdev;
-        u8 buf[3];
+        u8 *buf = dev->in_out_buffer;
+        unsigned long flags;
        int ret;
+        spin_lock_irqsave(&dev->lock, flags);
        buf[0] = CP2112_GPIO_SET;
        buf[1] = value ? 0xff : 0;
        buf[2] = 1 << offset;
-        ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf),
+        ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf,
-                                 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+                                 CP2112_GPIO_SET_LENGTH, HID_FEATURE_REPORT,
+                                 HID_REQ_SET_REPORT);
        if (ret < 0)
                hid_err(hdev, "error setting GPIO values: %d\n", ret);
+        spin_unlock_irqrestore(&dev->lock, flags);
 }
 static int cp2112_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
        struct cp2112_device *dev = gpiochip_get_data(chip);
        struct hid_device *hdev = dev->hdev;
-        u8 buf[2];
+        u8 *buf = dev->in_out_buffer;
+        unsigned long flags;
        int ret;
-        ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf),
+        spin_lock_irqsave(&dev->lock, flags);
-                                       HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
-        if (ret != sizeof(buf)) {
+        ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf,
+                                 CP2112_GPIO_GET_LENGTH, HID_FEATURE_REPORT,
+                                 HID_REQ_GET_REPORT);
+        if (ret != CP2112_GPIO_GET_LENGTH) {
                hid_err(hdev, "error requesting GPIO values: %d\n", ret);
-                return ret;
+                ret = ret < 0 ? ret : -EIO;
+                goto exit;
        }
-        return (buf[1] >> offset) & 1;
+        ret = (buf[1] >> offset) & 1;
+exit:
+        spin_unlock_irqrestore(&dev->lock, flags);
+        return ret;
 }
 static int cp2112_gpio_direction_output(struct gpio_chip *chip,
@@ -234,27 +265,33 @@ static int cp2112_gpio_direction_output(struct gpio_chip *chip,
 {
        struct cp2112_device *dev = gpiochip_get_data(chip);
        struct hid_device *hdev = dev->hdev;
-        u8 buf[5];
+        u8 *buf = dev->in_out_buffer;
+        unsigned long flags;
        int ret;
+        spin_lock_irqsave(&dev->lock, flags);
        ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
-                                       sizeof(buf), HID_FEATURE_REPORT,
+                                 CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
-                                       HID_REQ_GET_REPORT);
+                                 HID_REQ_GET_REPORT);
-        if (ret != sizeof(buf)) {
+        if (ret != CP2112_GPIO_CONFIG_LENGTH) {
                hid_err(hdev, "error requesting GPIO config: %d\n", ret);
-                return ret;
+                goto fail;
        }
        buf[1] |= 1 << offset;
        buf[2] = gpio_push_pull;
-        ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),
+        ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
-                                 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+                                 CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
+                                 HID_REQ_SET_REPORT);
        if (ret < 0) {
                hid_err(hdev, "error setting GPIO config: %d\n", ret);
-                return ret;
+                goto fail;
        }
+        spin_unlock_irqrestore(&dev->lock, flags);
        /*
         * Set gpio value when output direction is already set,
         * as specified in AN495, Rev. 0.2, cpt. 4.4
@@ -262,6 +299,10 @@ static int cp2112_gpio_direction_output(struct gpio_chip *chip,
        cp2112_gpio_set(chip, offset, value);
        return 0;
+fail:
+        spin_unlock_irqrestore(&dev->lock, flags);
+        return ret < 0 ? ret : -EIO;
 }
 static int cp2112_hid_get(struct hid_device *hdev, unsigned char report_number,
@@ -1007,6 +1048,17 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
        struct cp2112_smbus_config_report config;
        int ret;
+        dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
+        if (!dev)
+                return -ENOMEM;
+        dev->in_out_buffer = devm_kzalloc(&hdev->dev, CP2112_REPORT_MAX_LENGTH,
+                                          GFP_KERNEL);
+        if (!dev->in_out_buffer)
+                return -ENOMEM;
+        spin_lock_init(&dev->lock);
        ret = hid_parse(hdev);
        if (ret) {
                hid_err(hdev, "parse failed\n");
@@ -1063,12 +1115,6 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
                goto err_power_normal;
        }
-        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-        if (!dev) {
-                ret = -ENOMEM;
-                goto err_power_normal;
-        }
        hid_set_drvdata(hdev, (void *)dev);
        dev->hdev               = hdev;
        dev->adap.owner         = THIS_MODULE;
@@ -1087,7 +1133,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
        if (ret) {
                hid_err(hdev, "error registering i2c adapter\n");
-                goto err_free_dev;
+                goto err_power_normal;
        }
        hid_dbg(hdev, "adapter registered\n");
@@ -1123,8 +1169,6 @@ err_gpiochip_remove:
        gpiochip_remove(&dev->gc);
 err_free_i2c:
        i2c_del_adapter(&dev->adap);
-err_free_dev:
-        kfree(dev);
 err_power_normal:
        hid_hw_power(hdev, PM_HINT_NORMAL);
 err_hid_close:
@@ -1149,7 +1193,6 @@ static void cp2112_remove(struct hid_device *hdev)
         */
        hid_hw_close(hdev);
        hid_hw_stop(hdev);
-        kfree(dev);
 }
 static int cp2112_raw_event(struct hid_device *hdev, struct hid_report *report,
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 76f644deb0a7..c5c5fbe9d605 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -756,11 +756,16 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
        /* Setup wireless link with Logitech Wii wheel */
        if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
-                unsigned char buf[] = { 0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+                const unsigned char cbuf[] = { 0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+                u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
-                ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
+                if (!buf) {
-                                        HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+                        ret = -ENOMEM;
+                        goto err_free;
+                }
+                ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
+                                        HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
                if (ret >= 0) {
                        /* insert a little delay of 10 jiffies ~ 40ms */
                        wait_queue_head_t wait;
@@ -772,9 +777,10 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
                        buf[1] = 0xB2;
                        get_random_bytes(&buf[2], 2);
-                        ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
+                        ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
                                        HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
                }
+                kfree(buf);
        }
        if (drv_data->quirks & LG_FF)
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index d6fa496d0ca2..20b40ad26325 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -493,7 +493,8 @@ static int magicmouse_input_configured(struct hid_device *hdev,
 static int magicmouse_probe(struct hid_device *hdev,
        const struct hid_device_id *id)
 {
-        __u8 feature[] = { 0xd7, 0x01 };
+        const u8 feature[] = { 0xd7, 0x01 };
+        u8 *buf;
        struct magicmouse_sc *msc;
        struct hid_report *report;
        int ret;
@@ -544,6 +545,12 @@ static int magicmouse_probe(struct hid_device *hdev,
        }
        report->size = 6;
+        buf = kmemdup(feature, sizeof(feature), GFP_KERNEL);
+        if (!buf) {
+                ret = -ENOMEM;
+                goto err_stop_hw;
+        }
        /*
         * Some devices repond with 'invalid report id' when feature
         * report switching it into multitouch mode is sent to it.
@@ -552,8 +559,9 @@ static int magicmouse_probe(struct hid_device *hdev,
         * but there seems to be no other way of switching the mode.
         * Thus the super-ugly hacky success check below.
         */
-        ret = hid_hw_raw_request(hdev, feature[0], feature, sizeof(feature),
+        ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(feature),
                                HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+        kfree(buf);
        if (ret != -EIO && ret != sizeof(feature)) {
                hid_err(hdev, "unable to request touch data (%d)\n", ret);
                goto err_stop_hw;
diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
index 9cd2ca34a6be..be89bcbf6a71 100644
--- a/drivers/hid/hid-rmi.c
+++ b/drivers/hid/hid-rmi.c
@@ -188,10 +188,16 @@ static int rmi_set_page(struct hid_device *hdev, u8 page)
 static int rmi_set_mode(struct hid_device *hdev, u8 mode)
 {
        int ret;
-        u8 txbuf[2] = {RMI_SET_RMI_MODE_REPORT_ID, mode};
+        const u8 txbuf[2] = {RMI_SET_RMI_MODE_REPORT_ID, mode};
+        u8 *buf;
-        ret = hid_hw_raw_request(hdev, RMI_SET_RMI_MODE_REPORT_ID, txbuf,
+        buf = kmemdup(txbuf, sizeof(txbuf), GFP_KERNEL);
+        if (!buf)
+                return -ENOMEM;
+        ret = hid_hw_raw_request(hdev, RMI_SET_RMI_MODE_REPORT_ID, buf,
                        sizeof(txbuf), HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+        kfree(buf);
        if (ret < 0) {
                dev_err(&hdev->dev, "unable to set rmi mode to %d (%d)\n", mode,
                        ret);
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index c5c3d6111729..60875625cbdf 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -212,6 +212,7 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
        __s32 value;
        int ret = 0;
+        memset(buffer, 0, buffer_size);
        mutex_lock(&data->mutex);
        report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT);
        if (!report || (field_index >= report->maxfield)) {
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 11e866d05368..b403fa5ecf49 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -91,9 +91,7 @@
                                         DW_IC_INTR_TX_ABRT | \
                                         DW_IC_INTR_STOP_DET)
-#define DW_IC_STATUS_ACTIVITY           0x1
+#define DW_IC_STATUS_ACTIVITY   0x1
-#define DW_IC_STATUS_TFE                BIT(2)
-#define DW_IC_STATUS_MST_ACTIVITY       BIT(5)
 #define DW_IC_SDA_HOLD_RX_SHIFT         16
 #define DW_IC_SDA_HOLD_RX_MASK          GENMASK(23, DW_IC_SDA_HOLD_RX_SHIFT)
@@ -478,25 +476,9 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev)
 {
        struct i2c_msg *msgs = dev->msgs;
        u32 ic_tar = 0;
-        bool enabled;
-        enabled = dw_readl(dev, DW_IC_ENABLE_STATUS) & 1;
+        /* Disable the adapter */
+        __i2c_dw_enable_and_wait(dev, false);
-        if (enabled) {
-                u32 ic_status;
-                /*
-                 * Only disable adapter if ic_tar and ic_con can't be
-                 * dynamically updated
-                 */
-                ic_status = dw_readl(dev, DW_IC_STATUS);
-                if (!dev->dynamic_tar_update_enabled ||
-                    (ic_status & DW_IC_STATUS_MST_ACTIVITY) ||
-                    !(ic_status & DW_IC_STATUS_TFE)) {
-                        __i2c_dw_enable_and_wait(dev, false);
-                        enabled = false;
-                }
-        }
        /* if the slave address is ten bit address, enable 10BITADDR */
        if (dev->dynamic_tar_update_enabled) {
@@ -526,8 +508,8 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev)
        /* enforce disabled interrupts (due to HW issues) */
        i2c_dw_disable_int(dev);
-        if (!enabled)
+        /* Enable the adapter */
-                __i2c_dw_enable(dev, true);
+        __i2c_dw_enable(dev, true);
        /* Clear and enable interrupts */
        dw_readl(dev, DW_IC_CLR_INTR);
@@ -611,7 +593,7 @@ i2c_dw_xfer_msg(struct dw_i2c_dev *dev)
                        if (msgs[dev->msg_write_idx].flags & I2C_M_RD) {
                                /* avoid rx buffer overrun */
-                                if (rx_limit - dev->rx_outstanding <= 0)
+                                if (dev->rx_outstanding >= dev->rx_fifo_depth)
                                        break;
                                dw_writel(dev, cmd | 0x100, DW_IC_DATA_CMD);
@@ -708,8 +690,7 @@ static int i2c_dw_handle_tx_abort(struct dw_i2c_dev *dev)
 }
 /*
- * Prepare controller for a transaction and start transfer by calling
+ * Prepare controller for a transaction and call i2c_dw_xfer_msg
- * i2c_dw_xfer_init()
 */
 static int
 i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
@@ -752,13 +733,23 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
                goto done;
        }
+        /*
+         * We must disable the adapter before returning and signaling the end
+         * of the current transfer. Otherwise the hardware might continue
+         * generating interrupts which in turn causes a race condition with
+         * the following transfer.  Needs some more investigation if the
+         * additional interrupts are a hardware bug or this driver doesn't
+         * handle them correctly yet.
+         */
+        __i2c_dw_enable(dev, false);
        if (dev->msg_err) {
                ret = dev->msg_err;
                goto done;
        }
        /* no error */
-        if (likely(!dev->cmd_err)) {
+        if (likely(!dev->cmd_err && !dev->status)) {
                ret = num;
                goto done;
        }
@@ -768,6 +759,11 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
                ret = i2c_dw_handle_tx_abort(dev);
                goto done;
        }
+        if (dev->status)
+                dev_err(dev->dev,
+                        "transfer terminated early - interrupt latency too high?\n");
        ret = -EIO;
 done:
@@ -888,19 +884,9 @@ static irqreturn_t i2c_dw_isr(int this_irq, void *dev_id)
         */
 tx_aborted:
-        if ((stat & (DW_IC_INTR_TX_ABRT | DW_IC_INTR_STOP_DET))
+        if ((stat & (DW_IC_INTR_TX_ABRT | DW_IC_INTR_STOP_DET)) || dev->msg_err)
-                        || dev->msg_err) {
-                /*
-                 * We must disable interruts before returning and signaling
-                 * the end of the current transfer. Otherwise the hardware
-                 * might continue generating interrupts for non-existent
-                 * transfers.
-                 */
-                i2c_dw_disable_int(dev);
-                dw_readl(dev, DW_IC_CLR_INTR);
                complete(&dev->cmd_complete);
-        } else if (unlikely(dev->accessor_flags & ACCESS_INTR_MASK)) {
+        else if (unlikely(dev->accessor_flags & ACCESS_INTR_MASK)) {
                /* workaround to trigger pending interrupt */
                stat = dw_readl(dev, DW_IC_INTR_MASK);
                i2c_dw_disable_int(dev);
diff --git a/drivers/media/tuners/tuner-xc2028.c b/drivers/media/tuners/tuner-xc2028.c
index 317ef63ee789..8d96a22647b3 100644
--- a/drivers/media/tuners/tuner-xc2028.c
+++ b/drivers/media/tuners/tuner-xc2028.c
@@ -281,6 +281,14 @@ static void free_firmware(struct xc2028_data *priv)
        int i;
        tuner_dbg("%s called\n", __func__);
+        /* free allocated f/w string */
+        if (priv->fname != firmware_name)
+                kfree(priv->fname);
+        priv->fname = NULL;
+        priv->state = XC2028_NO_FIRMWARE;
+        memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
        if (!priv->firm)
                return;
@@ -291,9 +299,6 @@ static void free_firmware(struct xc2028_data *priv)
        priv->firm = NULL;
        priv->firm_size = 0;
-        priv->state = XC2028_NO_FIRMWARE;
-        memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
 }
 static int load_all_firmwares(struct dvb_frontend *fe,
@@ -884,9 +889,8 @@ read_not_reliable:
        return 0;
 fail:
-        priv->state = XC2028_NO_FIRMWARE;
+        free_firmware(priv);
-        memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
        if (retry_count < 8) {
                msleep(50);
                retry_count++;
@@ -1332,11 +1336,8 @@ static int xc2028_dvb_release(struct dvb_frontend *fe)
        mutex_lock(&xc2028_list_mutex);
        /* only perform final cleanup if this is the last instance */
-        if (hybrid_tuner_report_instance_count(priv) == 1) {
+        if (hybrid_tuner_report_instance_count(priv) == 1)
                free_firmware(priv);
-                kfree(priv->ctrl.fname);
-                priv->ctrl.fname = NULL;
-        }
        if (priv)
                hybrid_tuner_release_state(priv);
@@ -1399,19 +1400,8 @@ static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
        /*
         * Copy the config data.
-         * For the firmware name, keep a local copy of the string,
-         * in order to avoid troubles during device release.
         */
-        kfree(priv->ctrl.fname);
-        priv->ctrl.fname = NULL;
        memcpy(&priv->ctrl, p, sizeof(priv->ctrl));
-        if (p->fname) {
-                priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL);
-                if (priv->ctrl.fname == NULL) {
-                        rc = -ENOMEM;
-                        goto unlock;
-                }
-        }
        /*
         * If firmware name changed, frees firmware. As free_firmware will
@@ -1426,10 +1416,15 @@ static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
        if (priv->state == XC2028_NO_FIRMWARE) {
                if (!firmware_name[0])
-                        priv->fname = priv->ctrl.fname;
+                        priv->fname = kstrdup(p->fname, GFP_KERNEL);
                else
                        priv->fname = firmware_name;
+                if (!priv->fname) {
+                        rc = -ENOMEM;
+                        goto unlock;
+                }
                rc = request_firmware_nowait(THIS_MODULE, 1,
                                             priv->fname,
                                             priv->i2c_props.adap->dev.parent,
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 2f2225e845ef..b93fe4c4957a 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -73,8 +73,10 @@ static struct syscon *of_syscon_register(struct device_node *np)
        /* Parse the device's DT node for an endianness specification */
        if (of_property_read_bool(np, "big-endian"))
                syscon_config.val_format_endian = REGMAP_ENDIAN_BIG;
-         else if (of_property_read_bool(np, "little-endian"))
+        else if (of_property_read_bool(np, "little-endian"))
                syscon_config.val_format_endian = REGMAP_ENDIAN_LITTLE;
+        else if (of_property_read_bool(np, "native-endian"))
+                syscon_config.val_format_endian = REGMAP_ENDIAN_NATIVE;
        /*
         * search for reg-io-width property in DT. If it is not provided,
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 7eec619a6023..8588dbad3301 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -393,8 +393,13 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
                BUG();
                goto err;
        }
-                
-        ret = devm_regulator_bulk_get(wm8994->dev, wm8994->num_supplies,
+        /*
+         * Can't use devres helper here as some of the supplies are provided by
+         * wm8994->dev's children (regulators) and those regulators are
+         * unregistered by the devres core before the supplies are freed.
+         */
+        ret = regulator_bulk_get(wm8994->dev, wm8994->num_supplies,
                                 wm8994->supplies);
        if (ret != 0) {
                dev_err(wm8994->dev, "Failed to get supplies: %d\n", ret);
@@ -405,7 +410,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
                                    wm8994->supplies);
        if (ret != 0) {
                dev_err(wm8994->dev, "Failed to enable supplies: %d\n", ret);
-                goto err;
+                goto err_regulator_free;
        }
        ret = wm8994_reg_read(wm8994, WM8994_SOFTWARE_RESET);
@@ -596,6 +601,8 @@ err_irq:
 err_enable:
        regulator_bulk_disable(wm8994->num_supplies,
                               wm8994->supplies);
+err_regulator_free:
+        regulator_bulk_free(wm8994->num_supplies, wm8994->supplies);
 err:
        mfd_remove_devices(wm8994->dev);
        return ret;
@@ -604,10 +611,11 @@ err:
 static void wm8994_device_exit(struct wm8994 *wm8994)
 {
        pm_runtime_disable(wm8994->dev);
-        mfd_remove_devices(wm8994->dev);
        wm8994_irq_exit(wm8994);
        regulator_bulk_disable(wm8994->num_supplies,
                               wm8994->supplies);
+        regulator_bulk_free(wm8994->num_supplies, wm8994->supplies);
+        mfd_remove_devices(wm8994->dev);
 }
 static const struct of_device_id wm8994_of_match[] = {
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 50a674be6655..df478ae72e23 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1058,6 +1058,7 @@ static int dw_mci_submit_data_dma(struct dw_mci *host, struct mmc_data *data)
        spin_unlock_irqrestore(&host->irq_lock, irqflags);
        if (host->dma_ops->start(host, sg_len)) {
+                host->dma_ops->stop(host);
                /* We can't do DMA, try PIO for this one */
                dev_dbg(host->dev,
                        "%s: fall back to PIO mode for current transfer\n",
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index fb71c866eacc..1bb11e4a9fe5 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -66,6 +66,20 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host,
                        return ret;
                }
        }
+        /*
+         * The DAT[3:0] line signal levels and the CMD line signal level are
+         * not compatible with standard SDHC register. The line signal levels
+         * DAT[7:0] are at bits 31:24 and the command line signal level is at
+         * bit 23. All other bits are the same as in the standard SDHC
+         * register.
+         */
+        if (spec_reg == SDHCI_PRESENT_STATE) {
+                ret = value & 0x000fffff;
+                ret |= (value >> 4) & SDHCI_DATA_LVL_MASK;
+                ret |= (value << 1) & SDHCI_CMD_LVL;
+                return ret;
+        }
        ret = value;
        return ret;
 }
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 766df17fb7eb..2570455b219a 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -73,6 +73,7 @@
 #define  SDHCI_DATA_LVL_MASK    0x00F00000
 #define   SDHCI_DATA_LVL_SHIFT  20
 #define   SDHCI_DATA_0_LVL_MASK 0x00100000
+#define  SDHCI_CMD_LVL          0x01000000
 #define SDHCI_HOST_CONTROL      0x28
 #define  SDHCI_CTRL_LED         0x01
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 8c7bdbe66313..0e4f168bea9e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1812,6 +1812,9 @@ static int bnxt_busy_poll(struct napi_struct *napi)
        if (atomic_read(&bp->intr_sem) != 0)
                return LL_FLUSH_FAILED;
+        if (!bp->link_info.link_up)
+                return LL_FLUSH_FAILED;
        if (!bnxt_lock_poll(bnapi))
                return LL_FLUSH_BUSY;
@@ -3211,11 +3214,17 @@ static int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, __be16 port,
                goto err_out;
        }
-        if (tunnel_type & TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_VXLAN)
+        switch (tunnel_type) {
+        case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_VXLAN:
                bp->vxlan_fw_dst_port_id = resp->tunnel_dst_port_id;
+                break;
-        else if (tunnel_type & TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_GENEVE)
+        case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_GENEVE:
                bp->nge_fw_dst_port_id = resp->tunnel_dst_port_id;
+                break;
+        default:
+                break;
+        }
 err_out:
        mutex_unlock(&bp->hwrm_cmd_lock);
        return rc;
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c
index efabb04a1ae8..4b0f3a50b293 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c
@@ -722,9 +722,6 @@ int tgec_free(struct fman_mac *tgec)
 {
        free_init_resources(tgec);
-        if (tgec->cfg)
-                tgec->cfg = NULL;
        kfree(tgec->cfg);
        kfree(tgec);
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 1e486d1312e9..c12596676bbb 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -74,7 +74,6 @@
 #include <asm/iommu.h>
 #include <linux/uaccess.h>
 #include <asm/firmware.h>
-#include <linux/seq_file.h>
 #include <linux/workqueue.h>
 #include "ibmvnic.h"
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 87274d4ab102..0a24571e44b9 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4131,7 +4131,7 @@ static int mvneta_probe(struct platform_device *pdev)
        dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
        dev->hw_features |= dev->features;
        dev->vlan_features |= dev->features;
-        dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE;
+        dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
        dev->gso_max_segs = MVNETA_MAX_TSO_SEGS;
        /* MTU range: 68 - 9676 */
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index ee857868bea5..dabc5418efcc 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -3293,7 +3293,7 @@ static void mvpp2_cls_init(struct mvpp2 *priv)
        mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK);
        /* Clear classifier flow table */
-        memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS);
+        memset(&fe.data, 0, sizeof(fe.data));
        for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) {
                fe.index = index;
                mvpp2_cls_flow_write(priv, &fe);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 9018bb1b2e12..c48ce3f366c3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -129,6 +129,9 @@ static enum mlx4_net_trans_rule_id mlx4_ip_proto_to_trans_rule_id(u8 ip_proto)
        }
 };
+/* Must not acquire state_lock, as its corresponding work_sync
+ * is done under it.
+ */
 static void mlx4_en_filter_work(struct work_struct *work)
 {
        struct mlx4_en_filter *filter = container_of(work,
@@ -2239,13 +2242,13 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
        mutex_lock(&mdev->state_lock);
        mdev->pndev[priv->port] = NULL;
        mdev->upper[priv->port] = NULL;
-        mutex_unlock(&mdev->state_lock);
 #ifdef CONFIG_RFS_ACCEL
        mlx4_en_cleanup_filters(priv);
 #endif
        mlx4_en_free_resources(priv);
+        mutex_unlock(&mdev->state_lock);
        for (t = 0; t < MLX4_EN_NUM_TX_TYPES; t++) {
                kfree(priv->tx_ring[t]);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index b440a16101d2..2dc28695196c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -46,7 +46,6 @@
 #include <linux/mlx5/srq.h>
 #include <linux/debugfs.h>
 #include <linux/kmod.h>
-#include <linux/delay.h>
 #include <linux/mlx5/mlx5_ifc.h>
 #ifdef CONFIG_RFS_ACCEL
 #include <linux/cpu_rmap.h>
diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
index 70533017aaa7..acce385f69d4 100644
--- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c
+++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
@@ -33,7 +33,6 @@
 #include <linux/stat.h>
 #include <linux/types.h>
-#include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/mm.h>
@@ -43,7 +42,6 @@
 #include <linux/phy.h>
 #include <linux/mii.h>
-#include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/vmalloc.h>
diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
index 4ff4c7d4b5e0..3e4c8b21403c 100644
--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -20,7 +20,6 @@
 #include <linux/skbuff.h>
 #include <linux/of.h>
 #include <linux/irq.h>
-#include <linux/delay.h>
 #include <linux/debugfs.h>
 #include <linux/bitops.h>
 #include <linux/ieee802154.h>
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 7ddfd2c917ea..3c0a1714977b 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -622,7 +622,8 @@ hash_add:
        return 0;
 clear_multi:
-        dev_set_allmulti(lowerdev, -1);
+        if (dev->flags & IFF_ALLMULTI)
+                dev_set_allmulti(lowerdev, -1);
 del_unicast:
        dev_uc_del(lowerdev, dev->dev_addr);
 out:
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 081df68d2ce1..ea92d524d5a8 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -318,12 +318,12 @@ static int ksz8041_config_init(struct phy_device *phydev)
        /* Limit supported and advertised modes in fiber mode */
        if (of_property_read_bool(of_node, "micrel,fiber-mode")) {
                phydev->dev_flags |= MICREL_PHY_FXEN;
-                phydev->supported &= SUPPORTED_FIBRE |
+                phydev->supported &= SUPPORTED_100baseT_Full |
-                                     SUPPORTED_100baseT_Full |
                                     SUPPORTED_100baseT_Half;
-                phydev->advertising &= ADVERTISED_FIBRE |
+                phydev->supported |= SUPPORTED_FIBRE;
-                                       ADVERTISED_100baseT_Full |
+                phydev->advertising &= ADVERTISED_100baseT_Full |
                                       ADVERTISED_100baseT_Half;
+                phydev->advertising |= ADVERTISED_FIBRE;
                phydev->autoneg = AUTONEG_DISABLE;
        }
diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c
index 87e6334eab93..547ca7b3f098 100644
--- a/drivers/phy/phy-twl4030-usb.c
+++ b/drivers/phy/phy-twl4030-usb.c
@@ -459,8 +459,6 @@ static int twl4030_phy_power_off(struct phy *phy)
        struct twl4030_usb *twl = phy_get_drvdata(phy);
        dev_dbg(twl->dev, "%s\n", __func__);
-        pm_runtime_mark_last_busy(twl->dev);
-        pm_runtime_put_autosuspend(twl->dev);
        return 0;
 }
@@ -472,6 +470,8 @@ static int twl4030_phy_power_on(struct phy *phy)
        dev_dbg(twl->dev, "%s\n", __func__);
        pm_runtime_get_sync(twl->dev);
        schedule_delayed_work(&twl->id_workaround_work, HZ);
+        pm_runtime_mark_last_busy(twl->dev);
+        pm_runtime_put_autosuspend(twl->dev);
        return 0;
 }
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 8aa769a2d919..91b70bc46e7f 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -4010,7 +4010,10 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
            SAM_STAT_CHECK_CONDITION;
 }
+static inline bool ata_12_16_cmd(struct scsi_cmnd *scmd)
+{
+        return (scmd->cmnd[0] == ATA_12 || scmd->cmnd[0] == ATA_16);
+}
 /**
 * scsih_qcmd - main scsi request entry point
@@ -4038,6 +4041,13 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
        if (ioc->logging_level & MPT_DEBUG_SCSI)
                scsi_print_command(scmd);
+        /*
+         * Lock the device for any subsequent command until command is
+         * done.
+         */
+        if (ata_12_16_cmd(scmd))
+                scsi_internal_device_block(scmd->device);
        sas_device_priv_data = scmd->device->hostdata;
        if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
                scmd->result = DID_NO_CONNECT << 16;
@@ -4613,6 +4623,9 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
        if (scmd == NULL)
                return 1;
+        if (ata_12_16_cmd(scmd))
+                scsi_internal_device_unblock(scmd->device, SDEV_RUNNING);
        mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
        if (mpi_reply == NULL) {
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 567fa080e261..56d6142852a5 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1456,15 +1456,20 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
                for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
                        sp = req->outstanding_cmds[cnt];
                        if (sp) {
-                                /* Get a reference to the sp and drop the lock.
+                                /* Don't abort commands in adapter during EEH
-                                 * The reference ensures this sp->done() call
+                                 * recovery as it's not accessible/responding.
-                                 * - and not the call in qla2xxx_eh_abort() -
-                                 * ends the SCSI command (with result 'res').
                                 */
-                                sp_get(sp);
+                                if (!ha->flags.eeh_busy) {
-                                spin_unlock_irqrestore(&ha->hardware_lock, flags);
+                                        /* Get a reference to the sp and drop the lock.
-                                qla2xxx_eh_abort(GET_CMD_SP(sp));
+                                         * The reference ensures this sp->done() call
-                                spin_lock_irqsave(&ha->hardware_lock, flags);
+                                         * - and not the call in qla2xxx_eh_abort() -
+                                         * ends the SCSI command (with result 'res').
+                                         */
+                                        sp_get(sp);
+                                        spin_unlock_irqrestore(&ha->hardware_lock, flags);
+                                        qla2xxx_eh_abort(GET_CMD_SP(sp));
+                                        spin_lock_irqsave(&ha->hardware_lock, flags);
+                                }
                                req->outstanding_cmds[cnt] = NULL;
                                sp->done(vha, sp, res);
                        }
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index 7a223074df3d..afada655f861 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -669,9 +669,16 @@ static struct thermal_cooling_device_ops powerclamp_cooling_ops = {
        .set_cur_state = powerclamp_set_cur_state,
 };
+static const struct x86_cpu_id __initconst intel_powerclamp_ids[] = {
+        { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_MWAIT },
+        {}
+};
+MODULE_DEVICE_TABLE(x86cpu, intel_powerclamp_ids);
 static int __init powerclamp_probe(void)
 {
-        if (!boot_cpu_has(X86_FEATURE_MWAIT)) {
+        if (!x86_match_cpu(intel_powerclamp_ids)) {
                pr_err("CPU does not support MWAIT");
                return -ENODEV;
        }
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 69426e644d17..3dbb4a21ab44 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -914,6 +914,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
        if (!ci)
                return -ENOMEM;
+        spin_lock_init(&ci->lock);
        ci->dev = dev;
        ci->platdata = dev_get_platdata(dev);
        ci->imx28_write_fix = !!(ci->platdata->flags &
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 661f43fe0f9e..c9e80ad48fdc 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1889,8 +1889,6 @@ static int udc_start(struct ci_hdrc *ci)
        struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps;
        int retval = 0;
-        spin_lock_init(&ci->lock);
        ci->gadget.ops          = &usb_gadget_ops;
        ci->gadget.speed        = USB_SPEED_UNKNOWN;
        ci->gadget.max_speed    = USB_SPEED_HIGH;
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index e40d47d47d82..17989b72cdae 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -3225,11 +3225,11 @@ static bool ffs_func_req_match(struct usb_function *f,
        switch (creq->bRequestType & USB_RECIP_MASK) {
        case USB_RECIP_INTERFACE:
-                return ffs_func_revmap_intf(func,
+                return (ffs_func_revmap_intf(func,
-                                            le16_to_cpu(creq->wIndex) >= 0);
+                                             le16_to_cpu(creq->wIndex)) >= 0);
        case USB_RECIP_ENDPOINT:
-                return ffs_func_revmap_ep(func,
+                return (ffs_func_revmap_ep(func,
-                                          le16_to_cpu(creq->wIndex) >= 0);
+                                           le16_to_cpu(creq->wIndex)) >= 0);
        default:
                return (bool) (func->ffs->user_flags &
                               FUNCTIONFS_ALL_CTRL_RECIP);
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index e01116e4c067..c3e172e15ec3 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -986,7 +986,7 @@ b_host:
        }
 #endif
-        schedule_work(&musb->irq_work);
+        schedule_delayed_work(&musb->irq_work, 0);
        return handled;
 }
@@ -1855,14 +1855,23 @@ static void musb_pm_runtime_check_session(struct musb *musb)
                MUSB_DEVCTL_HR;
        switch (devctl & ~s) {
        case MUSB_QUIRK_B_INVALID_VBUS_91:
-                if (!musb->session && !musb->quirk_invalid_vbus) {
+                if (musb->quirk_retries--) {
-                        musb->quirk_invalid_vbus = true;
                        musb_dbg(musb,
-                                 "First invalid vbus, assume no session");
+                                 "Poll devctl on invalid vbus, assume no session");
+                        schedule_delayed_work(&musb->irq_work,
+                                              msecs_to_jiffies(1000));
                        return;
                }
-                break;
        case MUSB_QUIRK_A_DISCONNECT_19:
+                if (musb->quirk_retries--) {
+                        musb_dbg(musb,
+                                 "Poll devctl on possible host mode disconnect");
+                        schedule_delayed_work(&musb->irq_work,
+                                              msecs_to_jiffies(1000));
+                        return;
+                }
                if (!musb->session)
                        break;
                musb_dbg(musb, "Allow PM on possible host mode disconnect");
@@ -1886,9 +1895,9 @@ static void musb_pm_runtime_check_session(struct musb *musb)
                if (error < 0)
                        dev_err(musb->controller, "Could not enable: %i\n",
                                error);
+                musb->quirk_retries = 3;
        } else {
                musb_dbg(musb, "Allow PM with no session: %02x", devctl);
-                musb->quirk_invalid_vbus = false;
                pm_runtime_mark_last_busy(musb->controller);
                pm_runtime_put_autosuspend(musb->controller);
        }
@@ -1899,7 +1908,7 @@ static void musb_pm_runtime_check_session(struct musb *musb)
 /* Only used to provide driver mode change events */
 static void musb_irq_work(struct work_struct *data)
 {
-        struct musb *musb = container_of(data, struct musb, irq_work);
+        struct musb *musb = container_of(data, struct musb, irq_work.work);
        musb_pm_runtime_check_session(musb);
@@ -1969,6 +1978,7 @@ static struct musb *allocate_instance(struct device *dev,
        INIT_LIST_HEAD(&musb->control);
        INIT_LIST_HEAD(&musb->in_bulk);
        INIT_LIST_HEAD(&musb->out_bulk);
+        INIT_LIST_HEAD(&musb->pending_list);
        musb->vbuserr_retry = VBUSERR_RETRY_COUNT;
        musb->a_wait_bcon = OTG_TIME_A_WAIT_BCON;
@@ -2018,6 +2028,84 @@ static void musb_free(struct musb *musb)
        musb_host_free(musb);
 }
+struct musb_pending_work {
+        int (*callback)(struct musb *musb, void *data);
+        void *data;
+        struct list_head node;
+};
+/*
+ * Called from musb_runtime_resume(), musb_resume(), and
+ * musb_queue_resume_work(). Callers must take musb->lock.
+ */
+static int musb_run_resume_work(struct musb *musb)
+{
+        struct musb_pending_work *w, *_w;
+        unsigned long flags;
+        int error = 0;
+        spin_lock_irqsave(&musb->list_lock, flags);
+        list_for_each_entry_safe(w, _w, &musb->pending_list, node) {
+                if (w->callback) {
+                        error = w->callback(musb, w->data);
+                        if (error < 0) {
+                                dev_err(musb->controller,
+                                        "resume callback %p failed: %i\n",
+                                        w->callback, error);
+                        }
+                }
+                list_del(&w->node);
+                devm_kfree(musb->controller, w);
+        }
+        spin_unlock_irqrestore(&musb->list_lock, flags);
+        return error;
+}
+/*
+ * Called to run work if device is active or else queue the work to happen
+ * on resume. Caller must take musb->lock and must hold an RPM reference.
+ *
+ * Note that we cowardly refuse queuing work after musb PM runtime
+ * resume is done calling musb_run_resume_work() and return -EINPROGRESS
+ * instead.
+ */
+int musb_queue_resume_work(struct musb *musb,
+                           int (*callback)(struct musb *musb, void *data),
+                           void *data)
+{
+        struct musb_pending_work *w;
+        unsigned long flags;
+        int error;
+        if (WARN_ON(!callback))
+                return -EINVAL;
+        if (pm_runtime_active(musb->controller))
+                return callback(musb, data);
+        w = devm_kzalloc(musb->controller, sizeof(*w), GFP_ATOMIC);
+        if (!w)
+                return -ENOMEM;
+        w->callback = callback;
+        w->data = data;
+        spin_lock_irqsave(&musb->list_lock, flags);
+        if (musb->is_runtime_suspended) {
+                list_add_tail(&w->node, &musb->pending_list);
+                error = 0;
+        } else {
+                dev_err(musb->controller, "could not add resume work %p\n",
+                        callback);
+                devm_kfree(musb->controller, w);
+                error = -EINPROGRESS;
+        }
+        spin_unlock_irqrestore(&musb->list_lock, flags);
+        return error;
+}
+EXPORT_SYMBOL_GPL(musb_queue_resume_work);
 static void musb_deassert_reset(struct work_struct *work)
 {
        struct musb *musb;
@@ -2065,6 +2153,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
        }
        spin_lock_init(&musb->lock);
+        spin_lock_init(&musb->list_lock);
        musb->board_set_power = plat->set_power;
        musb->min_power = plat->min_power;
        musb->ops = plat->platform_ops;
@@ -2208,7 +2297,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
        musb_generic_disable(musb);
        /* Init IRQ workqueue before request_irq */
-        INIT_WORK(&musb->irq_work, musb_irq_work);
+        INIT_DELAYED_WORK(&musb->irq_work, musb_irq_work);
        INIT_DELAYED_WORK(&musb->deassert_reset_work, musb_deassert_reset);
        INIT_DELAYED_WORK(&musb->finish_resume_work, musb_host_finish_resume);
@@ -2291,6 +2380,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
        if (status)
                goto fail5;
+        musb->is_initialized = 1;
        pm_runtime_mark_last_busy(musb->controller);
        pm_runtime_put_autosuspend(musb->controller);
@@ -2304,7 +2394,7 @@ fail4:
        musb_host_cleanup(musb);
 fail3:
-        cancel_work_sync(&musb->irq_work);
+        cancel_delayed_work_sync(&musb->irq_work);
        cancel_delayed_work_sync(&musb->finish_resume_work);
        cancel_delayed_work_sync(&musb->deassert_reset_work);
        if (musb->dma_controller)
@@ -2371,7 +2461,7 @@ static int musb_remove(struct platform_device *pdev)
         */
        musb_exit_debugfs(musb);
-        cancel_work_sync(&musb->irq_work);
+        cancel_delayed_work_sync(&musb->irq_work);
        cancel_delayed_work_sync(&musb->finish_resume_work);
        cancel_delayed_work_sync(&musb->deassert_reset_work);
        pm_runtime_get_sync(musb->controller);
@@ -2557,6 +2647,7 @@ static int musb_suspend(struct device *dev)
        musb_platform_disable(musb);
        musb_generic_disable(musb);
+        WARN_ON(!list_empty(&musb->pending_list));
        spin_lock_irqsave(&musb->lock, flags);
@@ -2578,9 +2669,11 @@ static int musb_suspend(struct device *dev)
 static int musb_resume(struct device *dev)
 {
-        struct musb     *musb = dev_to_musb(dev);
+        struct musb *musb = dev_to_musb(dev);
-        u8              devctl;
+        unsigned long flags;
-        u8              mask;
+        int error;
+        u8 devctl;
+        u8 mask;
        /*
         * For static cmos like DaVinci, register values were preserved
@@ -2614,6 +2707,13 @@ static int musb_resume(struct device *dev)
        musb_start(musb);
+        spin_lock_irqsave(&musb->lock, flags);
+        error = musb_run_resume_work(musb);
+        if (error)
+                dev_err(musb->controller, "resume work failed with %i\n",
+                        error);
+        spin_unlock_irqrestore(&musb->lock, flags);
        return 0;
 }
@@ -2622,14 +2722,16 @@ static int musb_runtime_suspend(struct device *dev)
        struct musb     *musb = dev_to_musb(dev);
        musb_save_context(musb);
+        musb->is_runtime_suspended = 1;
        return 0;
 }
 static int musb_runtime_resume(struct device *dev)
 {
-        struct musb     *musb = dev_to_musb(dev);
+        struct musb *musb = dev_to_musb(dev);
-        static int      first = 1;
+        unsigned long flags;
+        int error;
        /*
         * When pm_runtime_get_sync called for the first time in driver
@@ -2640,9 +2742,10 @@ static int musb_runtime_resume(struct device *dev)
         * Also context restore without save does not make
         * any sense
         */
-        if (!first)
+        if (!musb->is_initialized)
-                musb_restore_context(musb);
+                return 0;
-        first = 0;
+        musb_restore_context(musb);
        if (musb->need_finish_resume) {
                musb->need_finish_resume = 0;
@@ -2650,6 +2753,14 @@ static int musb_runtime_resume(struct device *dev)
                                msecs_to_jiffies(USB_RESUME_TIMEOUT));
        }
+        spin_lock_irqsave(&musb->lock, flags);
+        error = musb_run_resume_work(musb);
+        if (error)
+                dev_err(musb->controller, "resume work failed with %i\n",
+                        error);
+        musb->is_runtime_suspended = 0;
+        spin_unlock_irqrestore(&musb->lock, flags);
        return 0;
 }
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 2cb88a498f8a..91817d77d59c 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -303,13 +303,14 @@ struct musb_context_registers {
 struct musb {
        /* device lock */
        spinlock_t              lock;
+        spinlock_t              list_lock;      /* resume work list lock */
        struct musb_io          io;
        const struct musb_platform_ops *ops;
        struct musb_context_registers context;
        irqreturn_t             (*isr)(int, void *);
-        struct work_struct      irq_work;
+        struct delayed_work     irq_work;
        struct delayed_work     deassert_reset_work;
        struct delayed_work     finish_resume_work;
        struct delayed_work     gadget_work;
@@ -337,6 +338,7 @@ struct musb {
        struct list_head        control;        /* of musb_qh */
        struct list_head        in_bulk;        /* of musb_qh */
        struct list_head        out_bulk;       /* of musb_qh */
+        struct list_head        pending_list;   /* pending work list */
        struct timer_list       otg_timer;
        struct notifier_block   nb;
@@ -379,12 +381,15 @@ struct musb {
        int                     port_mode;      /* MUSB_PORT_MODE_* */
        bool                    session;
-        bool                    quirk_invalid_vbus;
+        unsigned long           quirk_retries;
        bool                    is_host;
        int                     a_wait_bcon;    /* VBUS timeout in msecs */
        unsigned long           idle_timeout;   /* Next timeout in jiffies */
+        unsigned                is_initialized:1;
+        unsigned                is_runtime_suspended:1;
        /* active means connected and not suspended */
        unsigned                is_active:1;
@@ -540,6 +545,10 @@ extern irqreturn_t musb_interrupt(struct musb *);
 extern void musb_hnp_stop(struct musb *musb);
+int musb_queue_resume_work(struct musb *musb,
+                           int (*callback)(struct musb *musb, void *data),
+                           void *data);
 static inline void musb_platform_set_vbus(struct musb *musb, int is_on)
 {
        if (musb->ops->set_vbus)
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 0f17d2140db6..feae1561b9ab 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -185,24 +185,19 @@ static void dsps_musb_disable(struct musb *musb)
        musb_writel(reg_base, wrp->coreintr_clear, wrp->usb_bitmap);
        musb_writel(reg_base, wrp->epintr_clear,
                         wrp->txep_bitmap | wrp->rxep_bitmap);
+        del_timer_sync(&glue->timer);
        musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
 }
-static void otg_timer(unsigned long _musb)
+/* Caller must take musb->lock */
+static int dsps_check_status(struct musb *musb, void *unused)
 {
-        struct musb *musb = (void *)_musb;
        void __iomem *mregs = musb->mregs;
        struct device *dev = musb->controller;
        struct dsps_glue *glue = dev_get_drvdata(dev->parent);
        const struct dsps_musb_wrapper *wrp = glue->wrp;
        u8 devctl;
-        unsigned long flags;
        int skip_session = 0;
-        int err;
-        err = pm_runtime_get_sync(dev);
-        if (err < 0)
-                dev_err(dev, "Poll could not pm_runtime_get: %i\n", err);
        /*
         * We poll because DSPS IP's won't expose several OTG-critical
@@ -212,7 +207,6 @@ static void otg_timer(unsigned long _musb)
        dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl,
                                usb_otg_state_string(musb->xceiv->otg->state));
-        spin_lock_irqsave(&musb->lock, flags);
        switch (musb->xceiv->otg->state) {
        case OTG_STATE_A_WAIT_VRISE:
                mod_timer(&glue->timer, jiffies +
@@ -245,8 +239,30 @@ static void otg_timer(unsigned long _musb)
        default:
                break;
        }
-        spin_unlock_irqrestore(&musb->lock, flags);
+        return 0;
+}
+static void otg_timer(unsigned long _musb)
+{
+        struct musb *musb = (void *)_musb;
+        struct device *dev = musb->controller;
+        unsigned long flags;
+        int err;
+        err = pm_runtime_get(dev);
+        if ((err != -EINPROGRESS) && err < 0) {
+                dev_err(dev, "Poll could not pm_runtime_get: %i\n", err);
+                pm_runtime_put_noidle(dev);
+                return;
+        }
+        spin_lock_irqsave(&musb->lock, flags);
+        err = musb_queue_resume_work(musb, dsps_check_status, NULL);
+        if (err < 0)
+                dev_err(dev, "%s resume work: %i\n", __func__, err);
+        spin_unlock_irqrestore(&musb->lock, flags);
        pm_runtime_mark_last_busy(dev);
        pm_runtime_put_autosuspend(dev);
 }
@@ -767,28 +783,13 @@ static int dsps_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, glue);
        pm_runtime_enable(&pdev->dev);
-        pm_runtime_use_autosuspend(&pdev->dev);
-        pm_runtime_set_autosuspend_delay(&pdev->dev, 200);
-        ret = pm_runtime_get_sync(&pdev->dev);
-        if (ret < 0) {
-                dev_err(&pdev->dev, "pm_runtime_get_sync FAILED");
-                goto err2;
-        }
        ret = dsps_create_musb_pdev(glue, pdev);
        if (ret)
-                goto err3;
+                goto err;
-        pm_runtime_mark_last_busy(&pdev->dev);
-        pm_runtime_put_autosuspend(&pdev->dev);
        return 0;
-err3:
+err:
-        pm_runtime_put_sync(&pdev->dev);
-err2:
-        pm_runtime_dont_use_autosuspend(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
        return ret;
 }
@@ -799,9 +800,6 @@ static int dsps_remove(struct platform_device *pdev)
        platform_device_unregister(glue->musb);
-        /* disable usbss clocks */
-        pm_runtime_dont_use_autosuspend(&pdev->dev);
-        pm_runtime_put_sync(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
        return 0;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 4042ea017985..a55173c9e564 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1114,7 +1114,7 @@ static int musb_gadget_enable(struct usb_ep *ep,
                        musb_ep->dma ? "dma, " : "",
                        musb_ep->packet_sz);
-        schedule_work(&musb->irq_work);
+        schedule_delayed_work(&musb->irq_work, 0);
 fail:
        spin_unlock_irqrestore(&musb->lock, flags);
@@ -1158,7 +1158,7 @@ static int musb_gadget_disable(struct usb_ep *ep)
        musb_ep->desc = NULL;
        musb_ep->end_point.desc = NULL;
-        schedule_work(&musb->irq_work);
+        schedule_delayed_work(&musb->irq_work, 0);
        spin_unlock_irqrestore(&(musb->lock), flags);
@@ -1222,13 +1222,22 @@ void musb_ep_restart(struct musb *musb, struct musb_request *req)
                rxstate(musb, req);
 }
+static int musb_ep_restart_resume_work(struct musb *musb, void *data)
+{
+        struct musb_request *req = data;
+        musb_ep_restart(musb, req);
+        return 0;
+}
 static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
                        gfp_t gfp_flags)
 {
        struct musb_ep          *musb_ep;
        struct musb_request     *request;
        struct musb             *musb;
-        int                     status = 0;
+        int                     status;
        unsigned long           lockflags;
        if (!ep || !req)
@@ -1245,6 +1254,17 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
        if (request->ep != musb_ep)
                return -EINVAL;
+        status = pm_runtime_get(musb->controller);
+        if ((status != -EINPROGRESS) && status < 0) {
+                dev_err(musb->controller,
+                        "pm runtime get failed in %s\n",
+                        __func__);
+                pm_runtime_put_noidle(musb->controller);
+                return status;
+        }
+        status = 0;
        trace_musb_req_enq(request);
        /* request is mine now... */
@@ -1255,7 +1275,6 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
        map_dma_buffer(request, musb, musb_ep);
-        pm_runtime_get_sync(musb->controller);
        spin_lock_irqsave(&musb->lock, lockflags);
        /* don't queue if the ep is down */
@@ -1271,8 +1290,14 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
        list_add_tail(&request->list, &musb_ep->req_list);
        /* it this is the head of the queue, start i/o ... */
-        if (!musb_ep->busy && &request->list == musb_ep->req_list.next)
+        if (!musb_ep->busy && &request->list == musb_ep->req_list.next) {
-                musb_ep_restart(musb, request);
+                status = musb_queue_resume_work(musb,
+                                                musb_ep_restart_resume_work,
+                                                request);
+                if (status < 0)
+                        dev_err(musb->controller, "%s resume work: %i\n",
+                                __func__, status);
+        }
 unlock:
        spin_unlock_irqrestore(&musb->lock, lockflags);
@@ -1969,7 +1994,7 @@ static int musb_gadget_stop(struct usb_gadget *g)
         */
        /* Force check of devctl register for PM runtime */
-        schedule_work(&musb->irq_work);
+        schedule_delayed_work(&musb->irq_work, 0);
        pm_runtime_mark_last_busy(musb->controller);
        pm_runtime_put_autosuspend(musb->controller);
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index cc1225485509..e8be8e39ab8f 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -513,17 +513,18 @@ static int omap2430_probe(struct platform_device *pdev)
        }
        pm_runtime_enable(glue->dev);
-        pm_runtime_use_autosuspend(glue->dev);
-        pm_runtime_set_autosuspend_delay(glue->dev, 100);
        ret = platform_device_add(musb);
        if (ret) {
                dev_err(&pdev->dev, "failed to register musb device\n");
-                goto err2;
+                goto err3;
        }
        return 0;
+err3:
+        pm_runtime_disable(glue->dev);
 err2:
        platform_device_put(musb);
@@ -535,10 +536,7 @@ static int omap2430_remove(struct platform_device *pdev)
 {
        struct omap2430_glue *glue = platform_get_drvdata(pdev);
-        pm_runtime_get_sync(glue->dev);
        platform_device_unregister(glue->musb);
-        pm_runtime_put_sync(glue->dev);
-        pm_runtime_dont_use_autosuspend(glue->dev);
        pm_runtime_disable(glue->dev);
        return 0;
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index df7c9f46be54..e85cc8e4e7a9 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -724,7 +724,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase)
                        dev_dbg(musb->controller, "vbus change, %s, otg %03x\n",
                                usb_otg_state_string(musb->xceiv->otg->state), otg_stat);
                        idle_timeout = jiffies + (1 * HZ);
-                        schedule_work(&musb->irq_work);
+                        schedule_delayed_work(&musb->irq_work, 0);
                } else /* A-dev state machine */ {
                        dev_dbg(musb->controller, "vbus change, %s, otg %03x\n",
@@ -814,7 +814,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase)
                        break;
                }
        }
-        schedule_work(&musb->irq_work);
+        schedule_delayed_work(&musb->irq_work, 0);
        return idle_timeout;
 }
@@ -864,7 +864,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci)
                musb_writel(tbase, TUSB_PRCM_WAKEUP_CLEAR, reg);
                if (reg & ~TUSB_PRCM_WNORCS) {
                        musb->is_active = 1;
-                        schedule_work(&musb->irq_work);
+                        schedule_delayed_work(&musb->irq_work, 0);
                }
                dev_dbg(musb->controller, "wake %sactive %02x\n",
                                musb->is_active ? "" : "in", reg);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index f61477bed3a8..243ac5ebe46a 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -131,6 +131,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
        { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
        { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
+        { USB_DEVICE(0x10C4, 0x8962) }, /* Brim Brothers charging dock */
        { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
        { USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
        { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0ff7f38d7800..6e9fc8bcc285 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1012,6 +1012,8 @@ static const struct usb_device_id id_table_combined[] = {
        { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
        { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
        { USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
+        { USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
        { }                                     /* Terminating entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 21011c0a4c64..48ee04c94a75 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -596,6 +596,12 @@
 #define STK541_PID              0x2109 /* Zigbee Controller */
 /*
+ * Texas Instruments
+ */
+#define TI_VID                  0x0451
+#define TI_CC3200_LAUNCHPAD_PID 0xC32A /* SimpleLink Wi-Fi CC3200 LaunchPad */
+/*
 * Blackfin gnICE JTAG
 * http://docs.blackfin.uclinux.org/doku.php?id=hw:jtag:gnice
 */
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index ffd086733421..1a59f335b063 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -954,10 +954,15 @@ int usb_stor_CB_transport(struct scsi_cmnd *srb, struct us_data *us)
        /* COMMAND STAGE */
        /* let's send the command via the control pipe */
+        /*
+         * Command is sometime (f.e. after scsi_eh_prep_cmnd) on the stack.
+         * Stack may be vmallocated.  So no DMA for us.  Make a copy.
+         */
+        memcpy(us->iobuf, srb->cmnd, srb->cmd_len);
        result = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
                                      US_CBI_ADSC, 
                                      USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, 
-                                      us->ifnum, srb->cmnd, srb->cmd_len);
+                                      us->ifnum, us->iobuf, srb->cmd_len);
        /* check the return code for the command */
        usb_stor_dbg(us, "Call to usb_stor_ctrl_transfer() returned %d\n",
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index fdd3228e0678..3eb58cb51e56 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -155,6 +155,7 @@ config TANGOX_WATCHDOG
 config WDAT_WDT
        tristate "ACPI Watchdog Action Table (WDAT)"
        depends on ACPI
+        select WATCHDOG_CORE
        select ACPI_WATCHDOG
        help
          This driver adds support for systems with ACPI Watchdog Action
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 532d8e242d4d..484bebc20bca 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -197,7 +197,7 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv,
        }
        ret = -EPROTONOSUPPORT;
-        if (minorversion == 0)
+        if (!IS_ENABLED(CONFIG_NFS_V4_1) || minorversion == 0)
                ret = nfs4_callback_up_net(serv, net);
        else if (xprt->ops->bc_up)
                ret = xprt->ops->bc_up(serv, net);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 9b3a82abab07..1452177c822d 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -542,6 +542,13 @@ static inline bool nfs4_valid_open_stateid(const struct nfs4_state *state)
        return test_bit(NFS_STATE_RECOVERY_FAILED, &state->flags) == 0;
 }
+static inline bool nfs4_state_match_open_stateid_other(const struct nfs4_state *state,
+                const nfs4_stateid *stateid)
+{
+        return test_bit(NFS_OPEN_STATE, &state->flags) &&
+                nfs4_stateid_match_other(&state->open_stateid, stateid);
+}
 #else
 #define nfs4_close_state(a, b) do { } while (0)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7897826d7c51..241da19b7da4 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1451,7 +1451,6 @@ static void nfs_resync_open_stateid_locked(struct nfs4_state *state)
 }
 static void nfs_clear_open_stateid_locked(struct nfs4_state *state,
-                nfs4_stateid *arg_stateid,
                nfs4_stateid *stateid, fmode_t fmode)
 {
        clear_bit(NFS_O_RDWR_STATE, &state->flags);
@@ -1469,10 +1468,9 @@ static void nfs_clear_open_stateid_locked(struct nfs4_state *state,
        }
        if (stateid == NULL)
                return;
-        /* Handle races with OPEN */
+        /* Handle OPEN+OPEN_DOWNGRADE races */
-        if (!nfs4_stateid_match_other(arg_stateid, &state->open_stateid) ||
+        if (nfs4_stateid_match_other(stateid, &state->open_stateid) &&
-            (nfs4_stateid_match_other(stateid, &state->open_stateid) &&
+            !nfs4_stateid_is_newer(stateid, &state->open_stateid)) {
-            !nfs4_stateid_is_newer(stateid, &state->open_stateid))) {
                nfs_resync_open_stateid_locked(state);
                return;
        }
@@ -1486,7 +1484,9 @@ static void nfs_clear_open_stateid(struct nfs4_state *state,
        nfs4_stateid *stateid, fmode_t fmode)
 {
        write_seqlock(&state->seqlock);
-        nfs_clear_open_stateid_locked(state, arg_stateid, stateid, fmode);
+        /* Ignore, if the CLOSE argment doesn't match the current stateid */
+        if (nfs4_state_match_open_stateid_other(state, arg_stateid))
+                nfs_clear_open_stateid_locked(state, stateid, fmode);
        write_sequnlock(&state->seqlock);
        if (test_bit(NFS_STATE_RECLAIM_NOGRACE, &state->flags))
                nfs4_schedule_state_manager(state->owner->so_server->nfs_client);
@@ -2564,15 +2564,23 @@ static void nfs41_check_delegation_stateid(struct nfs4_state *state)
 static int nfs41_check_expired_locks(struct nfs4_state *state)
 {
        int status, ret = NFS_OK;
-        struct nfs4_lock_state *lsp;
+        struct nfs4_lock_state *lsp, *prev = NULL;
        struct nfs_server *server = NFS_SERVER(state->inode);
        if (!test_bit(LK_STATE_IN_USE, &state->flags))
                goto out;
+        spin_lock(&state->state_lock);
        list_for_each_entry(lsp, &state->lock_states, ls_locks) {
                if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) {
                        struct rpc_cred *cred = lsp->ls_state->owner->so_cred;
+                        atomic_inc(&lsp->ls_count);
+                        spin_unlock(&state->state_lock);
+                        nfs4_put_lock_state(prev);
+                        prev = lsp;
                        status = nfs41_test_and_free_expired_stateid(server,
                                        &lsp->ls_stateid,
                                        cred);
@@ -2585,10 +2593,14 @@ static int nfs41_check_expired_locks(struct nfs4_state *state)
                                        set_bit(NFS_LOCK_LOST, &lsp->ls_flags);
                        } else if (status != NFS_OK) {
                                ret = status;
-                                break;
+                                nfs4_put_lock_state(prev);
+                                goto out;
                        }
+                        spin_lock(&state->state_lock);
                }
-        };
+        }
+        spin_unlock(&state->state_lock);
+        nfs4_put_lock_state(prev);
 out:
        return ret;
 }
@@ -3122,7 +3134,8 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
        } else if (is_rdwr)
                calldata->arg.fmode |= FMODE_READ|FMODE_WRITE;
-        if (!nfs4_valid_open_stateid(state))
+        if (!nfs4_valid_open_stateid(state) ||
+            test_bit(NFS_OPEN_STATE, &state->flags) == 0)
                call_close = 0;
        spin_unlock(&state->owner->so_lock);
@@ -5569,6 +5582,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
        switch (task->tk_status) {
        case 0:
                renew_lease(data->res.server, data->timestamp);
+                break;
        case -NFS4ERR_ADMIN_REVOKED:
        case -NFS4ERR_DELEG_REVOKED:
        case -NFS4ERR_EXPIRED:
@@ -5579,8 +5593,6 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
        case -NFS4ERR_OLD_STATEID:
        case -NFS4ERR_STALE_STATEID:
                task->tk_status = 0;
-                if (data->roc)
-                        pnfs_roc_set_barrier(data->inode, data->roc_barrier);
                break;
        default:
                if (nfs4_async_handle_error(task, data->res.server,
@@ -5590,6 +5602,8 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
                }
        }
        data->rpc_status = task->tk_status;
+        if (data->roc && data->rpc_status == 0)
+                pnfs_roc_set_barrier(data->inode, data->roc_barrier);
 }
 static void nfs4_delegreturn_release(void *calldata)
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 5f4281ec5f72..0959c9661662 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1547,6 +1547,7 @@ restart:
                                ssleep(1);
                        case -NFS4ERR_ADMIN_REVOKED:
                        case -NFS4ERR_STALE_STATEID:
+                        case -NFS4ERR_OLD_STATEID:
                        case -NFS4ERR_BAD_STATEID:
                        case -NFS4ERR_RECLAIM_BAD:
                        case -NFS4ERR_RECLAIM_CONFLICT:
diff --git a/fs/splice.c b/fs/splice.c
index dcaf185a5731..5a7750bd2eea 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -408,7 +408,8 @@ static ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
        if (res <= 0)
                return -ENOMEM;
-        nr_pages = res / PAGE_SIZE;
+        BUG_ON(dummy);
+        nr_pages = DIV_ROUND_UP(res, PAGE_SIZE);
        vec = __vec;
        if (nr_pages > PIPE_DEF_BUFFERS) {
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ae32a27523f9..ff57cd2eba3b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1619,7 +1619,7 @@ enum netdev_priv_flags {
 *      @dcbnl_ops:     Data Center Bridging netlink ops
 *      @num_tc:        Number of traffic classes in the net device
 *      @tc_to_txq:     XXX: need comments on this one
- *      @prio_tc_map    XXX: need comments on this one
+ *      @prio_tc_map:   XXX: need comments on this one
 *
 *      @fcoe_ddp_xid:  Max exchange id for FCoE LRO by ddp
 *
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 348f51b0ec92..e9c009dc3a4a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2567,6 +2567,7 @@ extern void sched_autogroup_create_attach(struct task_struct *p);
 extern void sched_autogroup_detach(struct task_struct *p);
 extern void sched_autogroup_fork(struct signal_struct *sig);
 extern void sched_autogroup_exit(struct signal_struct *sig);
+extern void sched_autogroup_exit_task(struct task_struct *p);
 #ifdef CONFIG_PROC_FS
 extern void proc_sched_autogroup_show_task(struct task_struct *p, struct seq_file *m);
 extern int proc_sched_autogroup_set_nice(struct task_struct *p, int nice);
@@ -2576,6 +2577,7 @@ static inline void sched_autogroup_create_attach(struct task_struct *p) { }
 static inline void sched_autogroup_detach(struct task_struct *p) { }
 static inline void sched_autogroup_fork(struct signal_struct *sig) { }
 static inline void sched_autogroup_exit(struct signal_struct *sig) { }
+static inline void sched_autogroup_exit_task(struct task_struct *p) { }
 #endif
 extern int yield_to(struct task_struct *p, bool preempt);
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index f00bf667ec33..554671c81f4a 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1018,7 +1018,7 @@ static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
 }
 struct hci_dev *hci_dev_get(int index);
-struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src);
+struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
 struct hci_dev *hci_alloc_dev(void);
 void hci_free_dev(struct hci_dev *hdev);
diff --git a/init/Kconfig b/init/Kconfig
index 405120b5f13e..5001a576b1d7 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1957,6 +1957,7 @@ config MODULE_FORCE_UNLOAD
 config MODVERSIONS
        bool "Module versioning support"
+        depends on BROKEN
        help
          Usually, you have to use modules compiled with your kernel.
          Saying Y here makes it sometimes possible to use modules
diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index 8a09b32e07d6..dd4104c9aa12 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -272,7 +272,7 @@ int __init rd_load_image(char *from)
                sys_write(out_fd, buf, BLOCK_SIZE);
 #if !defined(CONFIG_S390)
                if (!(i % 16)) {
-                        printk("%c\b", rotator[rotate & 0x3]);
+                        pr_cont("%c\b", rotator[rotate & 0x3]);
                        rotate++;
                }
 #endif
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0e292132efac..6ee1febdf6ff 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -902,6 +902,17 @@ list_update_cgroup_event(struct perf_event *event,
         * this will always be called from the right CPU.
         */
        cpuctx = __get_cpu_context(ctx);
+        /* Only set/clear cpuctx->cgrp if current task uses event->cgrp. */
+        if (perf_cgroup_from_task(current, ctx) != event->cgrp) {
+                /*
+                 * We are removing the last cpu event in this context.
+                 * If that event is not active in this cpu, cpuctx->cgrp
+                 * should've been cleared by perf_cgroup_switch.
+                 */
+                WARN_ON_ONCE(!add && cpuctx->cgrp);
+                return;
+        }
        cpuctx->cgrp = add ? event->cgrp : NULL;
 }
@@ -8018,6 +8029,7 @@ restart:
 * if <size> is not specified, the range is treated as a single address.
 */
 enum {
+        IF_ACT_NONE = -1,
        IF_ACT_FILTER,
        IF_ACT_START,
        IF_ACT_STOP,
@@ -8041,6 +8053,7 @@ static const match_table_t if_tokens = {
        { IF_SRC_KERNEL,        "%u/%u" },
        { IF_SRC_FILEADDR,      "%u@%s" },
        { IF_SRC_KERNELADDR,    "%u" },
+        { IF_ACT_NONE,          NULL },
 };
 /*
diff --git a/kernel/exit.c b/kernel/exit.c
index 9d68c45ebbe3..3076f3089919 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -836,6 +836,7 @@ void __noreturn do_exit(long code)
         */
        perf_event_exit_task(tsk);
+        sched_autogroup_exit_task(tsk);
        cgroup_exit(tsk);
        /*
diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c
index a5d966cb8891..f1c8fd566246 100644
--- a/kernel/sched/auto_group.c
+++ b/kernel/sched/auto_group.c
@@ -111,10 +111,13 @@ bool task_wants_autogroup(struct task_struct *p, struct task_group *tg)
 {
        if (tg != &root_task_group)
                return false;
        /*
-         * We can only assume the task group can't go away on us if
+         * If we race with autogroup_move_group() the caller can use the old
-         * autogroup_move_group() can see us on ->thread_group list.
+         * value of signal->autogroup but in this case sched_move_task() will
+         * be called again before autogroup_kref_put().
+         *
+         * However, there is no way sched_autogroup_exit_task() could tell us
+         * to avoid autogroup->tg, so we abuse PF_EXITING flag for this case.
         */
        if (p->flags & PF_EXITING)
                return false;
@@ -122,6 +125,16 @@ bool task_wants_autogroup(struct task_struct *p, struct task_group *tg)
        return true;
 }
+void sched_autogroup_exit_task(struct task_struct *p)
+{
+        /*
+         * We are going to call exit_notify() and autogroup_move_group() can't
+         * see this thread after that: we can no longer use signal->autogroup.
+         * See the PF_EXITING check in task_wants_autogroup().
+         */
+        sched_move_task(p);
+}
 static void
 autogroup_move_group(struct task_struct *p, struct autogroup *ag)
 {
@@ -138,13 +151,20 @@ autogroup_move_group(struct task_struct *p, struct autogroup *ag)
        }
        p->signal->autogroup = autogroup_kref_get(ag);
+        /*
-        if (!READ_ONCE(sysctl_sched_autogroup_enabled))
+         * We can't avoid sched_move_task() after we changed signal->autogroup,
-                goto out;
+         * this process can already run with task_group() == prev->tg or we can
+         * race with cgroup code which can read autogroup = prev under rq->lock.
+         * In the latter case for_each_thread() can not miss a migrating thread,
+         * cpu_cgroup_attach() must not be possible after cgroup_exit() and it
+         * can't be removed from thread list, we hold ->siglock.
+         *
+         * If an exiting thread was already removed from thread list we rely on
+         * sched_autogroup_exit_task().
+         */
        for_each_thread(p, t)
                sched_move_task(t);
-out:
        unlock_task_sighand(p, &flags);
        autogroup_kref_put(prev);
 }
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c
index 5464c8744ea9..e24388a863a7 100644
--- a/lib/mpi/mpi-pow.c
+++ b/lib/mpi/mpi-pow.c
@@ -64,8 +64,13 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod)
        if (!esize) {
                /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0
                 * depending on if MOD equals 1.  */
-                rp[0] = 1;
                res->nlimbs = (msize == 1 && mod->d[0] == 1) ? 0 : 1;
+                if (res->nlimbs) {
+                        if (mpi_resize(res, 1) < 0)
+                                goto enomem;
+                        rp = res->d;
+                        rp[0] = 1;
+                }
                res->sign = 0;
                goto leave;
        }
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index d020299baba4..1904a93f47d5 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -1090,7 +1090,6 @@ static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type,
 {
        struct hci_conn *hcon;
        struct hci_dev *hdev;
-        bdaddr_t *src = BDADDR_ANY;
        int n;
        n = sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx %hhu",
@@ -1101,7 +1100,8 @@ static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type,
        if (n < 7)
                return -EINVAL;
-        hdev = hci_get_route(addr, src);
+        /* The LE_PUBLIC address type is ignored because of BDADDR_ANY */
+        hdev = hci_get_route(addr, BDADDR_ANY, BDADDR_LE_PUBLIC);
        if (!hdev)
                return -ENOENT;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 3809617aa98d..dc59eae54717 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -613,7 +613,7 @@ int hci_conn_del(struct hci_conn *conn)
        return 0;
 }
-struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src)
+struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, uint8_t src_type)
 {
        int use_src = bacmp(src, BDADDR_ANY);
        struct hci_dev *hdev = NULL, *d;
@@ -634,7 +634,29 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src)
                 */
                if (use_src) {
-                        if (!bacmp(&d->bdaddr, src)) {
+                        bdaddr_t id_addr;
+                        u8 id_addr_type;
+                        if (src_type == BDADDR_BREDR) {
+                                if (!lmp_bredr_capable(d))
+                                        continue;
+                                bacpy(&id_addr, &d->bdaddr);
+                                id_addr_type = BDADDR_BREDR;
+                        } else {
+                                if (!lmp_le_capable(d))
+                                        continue;
+                                hci_copy_identity_address(d, &id_addr,
+                                                          &id_addr_type);
+                                /* Convert from HCI to three-value type */
+                                if (id_addr_type == ADDR_LE_DEV_PUBLIC)
+                                        id_addr_type = BDADDR_LE_PUBLIC;
+                                else
+                                        id_addr_type = BDADDR_LE_RANDOM;
+                        }
+                        if (!bacmp(&id_addr, src) && id_addr_type == src_type) {
                                hdev = d; break;
                        }
                } else {
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index d4cad29b033f..577f1c01454a 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -7060,7 +7060,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
        BT_DBG("%pMR -> %pMR (type %u) psm 0x%2.2x", &chan->src, dst,
               dst_type, __le16_to_cpu(psm));
-        hdev = hci_get_route(dst, &chan->src);
+        hdev = hci_get_route(dst, &chan->src, chan->src_type);
        if (!hdev)
                return -EHOSTUNREACH;
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 8e385a0ae60e..2f2cb5e27cdd 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -178,7 +178,7 @@ static void rfcomm_reparent_device(struct rfcomm_dev *dev)
        struct hci_dev *hdev;
        struct hci_conn *conn;
-        hdev = hci_get_route(&dev->dst, &dev->src);
+        hdev = hci_get_route(&dev->dst, &dev->src, BDADDR_BREDR);
        if (!hdev)
                return;
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index f52bcbf2e58c..3125ce670c2f 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -219,7 +219,7 @@ static int sco_connect(struct sock *sk)
        BT_DBG("%pMR -> %pMR", &sco_pi(sk)->src, &sco_pi(sk)->dst);
-        hdev = hci_get_route(&sco_pi(sk)->dst, &sco_pi(sk)->src);
+        hdev = hci_get_route(&sco_pi(sk)->dst, &sco_pi(sk)->src, BDADDR_BREDR);
        if (!hdev)
                return -EHOSTUNREACH;
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 8af9d25ff988..436a7537e6a9 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -77,7 +77,7 @@
                     (CAN_EFF_MASK | CAN_EFF_FLAG | CAN_RTR_FLAG) : \
                     (CAN_SFF_MASK | CAN_EFF_FLAG | CAN_RTR_FLAG))
-#define CAN_BCM_VERSION "20160617"
+#define CAN_BCM_VERSION "20161123"
 MODULE_DESCRIPTION("PF_CAN broadcast manager protocol");
 MODULE_LICENSE("Dual BSD/GPL");
@@ -109,8 +109,9 @@ struct bcm_op {
        u32 count;
        u32 nframes;
        u32 currframe;
-        struct canfd_frame *frames;
+        /* void pointers to arrays of struct can[fd]_frame */
-        struct canfd_frame *last_frames;
+        void *frames;
+        void *last_frames;
        struct canfd_frame sframe;
        struct canfd_frame last_sframe;
        struct sock *sk;
@@ -681,7 +682,7 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data)
        if (op->flags & RX_FILTER_ID) {
                /* the easiest case */
-                bcm_rx_update_and_send(op, &op->last_frames[0], rxframe);
+                bcm_rx_update_and_send(op, op->last_frames, rxframe);
                goto rx_starttimer;
        }
@@ -1068,7 +1069,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
                if (msg_head->nframes) {
                        /* update CAN frames content */
-                        err = memcpy_from_msg((u8 *)op->frames, msg,
+                        err = memcpy_from_msg(op->frames, msg,
                                              msg_head->nframes * op->cfsiz);
                        if (err < 0)
                                return err;
@@ -1118,7 +1119,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
                }
                if (msg_head->nframes) {
-                        err = memcpy_from_msg((u8 *)op->frames, msg,
+                        err = memcpy_from_msg(op->frames, msg,
                                              msg_head->nframes * op->cfsiz);
                        if (err < 0) {
                                if (op->frames != &op->sframe)
@@ -1163,6 +1164,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
        /* check flags */
        if (op->flags & RX_RTR_FRAME) {
+                struct canfd_frame *frame0 = op->frames;
                /* no timers in RTR-mode */
                hrtimer_cancel(&op->thrtimer);
@@ -1174,8 +1176,8 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
                 * prevent a full-load-loopback-test ... ;-]
                 */
                if ((op->flags & TX_CP_CAN_ID) ||
-                    (op->frames[0].can_id == op->can_id))
+                    (frame0->can_id == op->can_id))
-                        op->frames[0].can_id = op->can_id & ~CAN_RTR_FLAG;
+                        frame0->can_id = op->can_id & ~CAN_RTR_FLAG;
        } else {
                if (op->flags & SETTIMER) {
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 0adb3bec5b5a..e23766c7e3ba 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -2570,6 +2570,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
        case ETHTOOL_GEEE:
        case ETHTOOL_GTUNABLE:
        case ETHTOOL_PHY_GTUNABLE:
+        case ETHTOOL_GLINKSETTINGS:
                break;
        default:
                if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index b481a4a6d3ec..1eb6f949e5b2 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1013,4 +1013,4 @@ static int __init init_default_flow_dissectors(void)
        return 0;
 }
-late_initcall_sync(init_default_flow_dissectors);
+core_initcall(init_default_flow_dissectors);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index ef8a96010816..4e60525ea586 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2737,7 +2737,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
                                                           ext_filter_mask));
        }
-        return min_ifinfo_dump_size;
+        return nlmsg_total_size(min_ifinfo_dump_size);
 }
 static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b3b6bc5b9731..e1d0bf8eba4b 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1562,7 +1562,7 @@ static void udp_v4_rehash(struct sock *sk)
        udp_lib_rehash(sk, new_hash);
 }
-static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
        int rc;
diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h
index 7e0fe4bdd967..feb50a16398d 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -25,7 +25,7 @@ int udp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
                int flags, int *addr_len);
 int udp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
                 int flags);
-int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
+int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
 void udp_destroy_sock(struct sock *sk);
 #ifdef CONFIG_PROC_FS
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 86219c0a0104..4c387dc338e3 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -183,7 +183,7 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
 static void addrconf_dad_start(struct inet6_ifaddr *ifp);
 static void addrconf_dad_work(struct work_struct *w);
-static void addrconf_dad_completed(struct inet6_ifaddr *ifp);
+static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id);
 static void addrconf_dad_run(struct inet6_dev *idev);
 static void addrconf_rs_timer(unsigned long data);
 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
@@ -2906,6 +2906,7 @@ static void add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
                spin_lock_bh(&ifp->lock);
                ifp->flags &= ~IFA_F_TENTATIVE;
                spin_unlock_bh(&ifp->lock);
+                rt_genid_bump_ipv6(dev_net(idev->dev));
                ipv6_ifa_notify(RTM_NEWADDR, ifp);
                in6_ifa_put(ifp);
        }
@@ -3748,7 +3749,7 @@ static void addrconf_dad_begin(struct inet6_ifaddr *ifp)
 {
        struct inet6_dev *idev = ifp->idev;
        struct net_device *dev = idev->dev;
-        bool notify = false;
+        bool bump_id, notify = false;
        addrconf_join_solict(dev, &ifp->addr);
@@ -3763,11 +3764,12 @@ static void addrconf_dad_begin(struct inet6_ifaddr *ifp)
            idev->cnf.accept_dad < 1 ||
            !(ifp->flags&IFA_F_TENTATIVE) ||
            ifp->flags & IFA_F_NODAD) {
+                bump_id = ifp->flags & IFA_F_TENTATIVE;
                ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
                spin_unlock(&ifp->lock);
                read_unlock_bh(&idev->lock);
-                addrconf_dad_completed(ifp);
+                addrconf_dad_completed(ifp, bump_id);
                return;
        }
@@ -3827,8 +3829,8 @@ static void addrconf_dad_work(struct work_struct *w)
                                                struct inet6_ifaddr,
                                                dad_work);
        struct inet6_dev *idev = ifp->idev;
+        bool bump_id, disable_ipv6 = false;
        struct in6_addr mcaddr;
-        bool disable_ipv6 = false;
        enum {
                DAD_PROCESS,
@@ -3898,11 +3900,12 @@ static void addrconf_dad_work(struct work_struct *w)
                 * DAD was successful
                 */
+                bump_id = ifp->flags & IFA_F_TENTATIVE;
                ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
                spin_unlock(&ifp->lock);
                write_unlock_bh(&idev->lock);
-                addrconf_dad_completed(ifp);
+                addrconf_dad_completed(ifp, bump_id);
                goto out;
        }
@@ -3939,7 +3942,7 @@ static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp)
        return true;
 }
-static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
+static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id)
 {
        struct net_device *dev = ifp->idev->dev;
        struct in6_addr lladdr;
@@ -3991,6 +3994,9 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
                spin_unlock(&ifp->lock);
                write_unlock_bh(&ifp->idev->lock);
        }
+        if (bump_id)
+                rt_genid_bump_ipv6(dev_net(dev));
 }
 static void addrconf_dad_run(struct inet6_dev *idev)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ba25ec20806b..649efc26a252 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -512,7 +512,7 @@ out:
        return;
 }
-static int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
        int rc;
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index f6eb1ab34f4b..e78bdc76dcc3 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -26,7 +26,7 @@ int compat_udpv6_getsockopt(struct sock *sk, int level, int optname,
 int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len);
 int udpv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
                  int flags, int *addr_len);
-int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
+int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
 void udpv6_destroy_sock(struct sock *sk);
 #ifdef CONFIG_PROC_FS
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 5b90eb6c82c4..e2c6ae024565 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -97,7 +97,7 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev)
        unsigned int len = skb->len;
        int ret = l2tp_xmit_skb(session, skb, session->hdr_len);
-        if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
+        if (likely(ret == NET_XMIT_SUCCESS)) {
                atomic_long_add(len, &priv->tx_bytes);
                atomic_long_inc(&priv->tx_packets);
        } else {
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 8e93d4afe5ea..b05d4a2155b0 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -112,7 +112,7 @@ static void tfilter_notify_chain(struct net *net, struct sk_buff *oskb,
        for (it_chain = chain; (tp = rtnl_dereference(*it_chain)) != NULL;
             it_chain = &tp->next)
-                tfilter_notify(net, oskb, n, tp, n->nlmsg_flags, event, false);
+                tfilter_notify(net, oskb, n, tp, 0, event, false);
 }
 /* Select new prio value from the range, managed by kernel. */
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 1055164c6232..ecc12411155e 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1492,8 +1492,9 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
                if (in_range(peers_tol, TIPC_MIN_LINK_TOL, TIPC_MAX_LINK_TOL))
                        l->tolerance = peers_tol;
-                if (peers_prio && in_range(peers_prio, TIPC_MIN_LINK_PRI,
+                /* Update own prio if peer indicates a different value */
-                                           TIPC_MAX_LINK_PRI)) {
+                if ((peers_prio != l->priority) &&
+                    in_range(peers_prio, 1, TIPC_MAX_LINK_PRI)) {
                        l->priority = peers_prio;
                        rc = tipc_link_fsm_evt(l, LINK_FAILURE_EVT);
                }
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index ed97a5876ebe..9e109bb1a207 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -455,14 +455,14 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr,
        int i, applied_bef;
        state->probing = false;
-        if (!dlen)
-                return;
        /* Sanity check received domain record */
-        if ((dlen < new_dlen) || ntohs(arrv_dom->len) != new_dlen) {
+        if (dlen < dom_rec_len(arrv_dom, 0))
-                pr_warn_ratelimited("Received illegal domain record\n");
+                return;
+        if (dlen != dom_rec_len(arrv_dom, new_member_cnt))
+                return;
+        if ((dlen < new_dlen) || ntohs(arrv_dom->len) != new_dlen)
                return;
-        }
        /* Synch generation numbers with peer if link just came up */
        if (!state->synched) {
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 4916d8fea328..333c5dae0072 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -184,7 +184,7 @@ static struct tipc_sock *tipc_sk(const struct sock *sk)
 static bool tsk_conn_cong(struct tipc_sock *tsk)
 {
-        return tsk->snt_unacked >= tsk->snd_win;
+        return tsk->snt_unacked > tsk->snd_win;
 }
 /* tsk_blocks(): translate a buffer size in bytes to number of
author	David S. Miller <davem@davemloft.net>	2016-11-26 23:42:21 -0500
committer	David S. Miller <davem@davemloft.net>	2016-11-26 23:42:21 -0500
commit	0b42f25d2f123bb7fbd3565d003a8ea9e1e810fe (patch)
tree	77856ad061e97e86027df1fa6efdf20a9fe309b5
parent	e5f12b3f5ebb8a6ffd3864a04f687ea0ef78a48a (diff)
parent	d8e435f3ab6fea2ea324dce72b51dd7761747523 (diff)