Merge branch 'v4.14/standard/base' into v4.14/standard/arm-versatile-926ejs

Documentation/admin-guide/kernel-parameters.txt

@@ -1905,8 +1905,12 @@
 			Default is 1 (enabled)
 
 	kvm-intel.emulate_invalid_guest_state=
-			[KVM,Intel] Enable emulation of invalid guest states
+			[KVM,Intel] Disable emulation of invalid guest state.
-			Default is 0 (disabled)
+			Ignored if kvm-intel.enable_unrestricted_guest=1, as
+			guest state is never invalid for unrestricted guests.
+			This param doesn't apply to nested guests (L2), as KVM
+			never emulates invalid L2 guest state.
+			Default is 1 (enabled)
 
 	kvm-intel.flexpriority=
 			[KVM,Intel] Disable FlexPriority feature (TPR shadow).

Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt

@@ -43,26 +43,26 @@ group emmc_nb
 
 group pwm0
  - pin 11 (GPIO1-11)
- - functions pwm, gpio
+ - functions pwm, led, gpio
 
 group pwm1
  - pin 12
- - functions pwm, gpio
+ - functions pwm, led, gpio
 
 group pwm2
  - pin 13
- - functions pwm, gpio
+ - functions pwm, led, gpio
 
 group pwm3
  - pin 14
- - functions pwm, gpio
+ - functions pwm, led, gpio
 
 group pmic1
- - pin 17
+ - pin 7
  - functions pmic, gpio
 
 group pmic0
- - pin 16
+ - pin 6
  - functions pmic, gpio
 
 group i2c2
@@ -112,17 +112,25 @@ group usb2_drvvbus1
  - functions drvbus, gpio
 
 group sdio_sb
- - pins 60-64
+ - pins 60-65
  - functions sdio, gpio
 
 group rgmii
- - pins 42-55
+ - pins 42-53
  - functions mii, gpio
 
 group pcie1
- - pins 39-40
+ - pins 39
  - functions pcie, gpio
 
+group pcie1_clkreq
+ - pins 40
+ - functions pcie, gpio
+
+group smi
+ - pins 54-55
+ - functions smi, gpio
+
 group ptp
  - pins 56-58
  - functions ptp, gpio

Documentation/networking/bonding.txt

@@ -191,11 +191,12 @@ ad_actor_sys_prio
 ad_actor_system
 
 	In an AD system, this specifies the mac-address for the actor in
-	protocol packet exchanges (LACPDUs). The value cannot be NULL or
+	protocol packet exchanges (LACPDUs). The value cannot be a multicast
-	multicast. It is preferred to have the local-admin bit set for this
+	address. If the all-zeroes MAC is specified, bonding will internally
-	mac but driver does not enforce it. If the value is not given then
+	use the MAC of the bond itself. It is preferred to have the
-	system defaults to using the masters' mac address as actors' system
+	local-admin bit set for this mac but driver does not enforce it. If
-	address.
+	the value is not given then system defaults to using the masters'
+	mac address as actors' system address.
 
 	This parameter has effect only in 802.3ad mode and is available through
 	SysFs interface.

Documentation/networking/ipvs-sysctl.txt

@@ -30,8 +30,7 @@ conn_reuse_mode - INTEGER
 
 	0: disable any special handling on port reuse. The new
 	connection will be delivered to the same real server that was
-	servicing the previous connection. This will effectively
+	servicing the previous connection.
-	disable expire_nodest_conn.
 
 	bit 1: enable rescheduling of new connections when it is safe.
 	That is, whenever expire_nodest_conn and for TCP sockets, when

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
-SUBLEVEL = 256
+SUBLEVEL = 262
 EXTRAVERSION =
 NAME = Petit Gorille
 

arch/Kconfig

@@ -980,4 +980,7 @@ config HAVE_ARCH_COMPILER_H
 	  linux/compiler-*.h in order to override macro definitions that those
 	  headers generally provide.
 
+config ARCH_USE_MEMREMAP_PROT
+	bool
+
 source "kernel/gcov/Kconfig"

arch/arm/Kconfig.debug

@@ -16,30 +16,42 @@ config ARM_PTDUMP
 	  kernel.
 	  If in doubt, say "N"
 
-# RMK wants arm kernels compiled with frame pointers or stack unwinding.
+choice
-# If you know what you are doing and are willing to live without stack
+	prompt "Choose kernel unwinder"
-# traces, you can get a slightly smaller kernel by setting this option to
+	default UNWINDER_ARM if AEABI && !FUNCTION_GRAPH_TRACER
-# n, but then RMK will have to kill you ;).
+	default UNWINDER_FRAME_POINTER if !AEABI || FUNCTION_GRAPH_TRACER
-config FRAME_POINTER
-	bool
-	depends on !THUMB2_KERNEL
-	default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER
 	help
-	  If you say N here, the resulting kernel will be slightly smaller and
+	  This determines which method will be used for unwinding kernel stack
-	  faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled,
+	  traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack,
-	  when a problem occurs with the kernel, the information that is
+	  livepatch, lockdep, and more.
-	  reported is severely limited.
 
-config ARM_UNWIND
+config UNWINDER_FRAME_POINTER
-	bool "Enable stack unwinding support (EXPERIMENTAL)"
+	bool "Frame pointer unwinder"
+	depends on !THUMB2_KERNEL && !CC_IS_CLANG
+	select ARCH_WANT_FRAME_POINTERS
+	select FRAME_POINTER
+	help
+	  This option enables the frame pointer unwinder for unwinding
+	  kernel stack traces.
+
+config UNWINDER_ARM
+	bool "ARM EABI stack unwinder"
 	depends on AEABI
-	default y
+	select ARM_UNWIND
 	help
 	  This option enables stack unwinding support in the kernel
 	  using the information automatically generated by the
 	  compiler. The resulting kernel image is slightly bigger but
 	  the performance is not affected. Currently, this feature
-	  only works with EABI compilers. If unsure say Y.
+	  only works with EABI compilers.
+
+endchoice
+
+config ARM_UNWIND
+	bool
+
+config FRAME_POINTER
+	bool
 
 config OLD_MCOUNT
 	bool

arch/arm/boot/dts/bcm5301x.dtsi

@@ -246,6 +246,8 @@
 
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		pcie0: pcie@12000 {
@@ -365,7 +367,7 @@
 	i2c0: i2c@18009000 {
 		compatible = "brcm,iproc-i2c";
 		reg = <0x18009000 0x50>;
-		interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		clock-frequency = <100000>;

arch/arm/boot/dts/imx6ull-pinfunc.h

@@ -51,6 +51,6 @@
 #define MX6ULL_PAD_CSI_DATA04__ESAI_TX_FS                         0x01F4 0x0480 0x0000 0x9 0x0
 #define MX6ULL_PAD_CSI_DATA05__ESAI_TX_CLK                        0x01F8 0x0484 0x0000 0x9 0x0
 #define MX6ULL_PAD_CSI_DATA06__ESAI_TX5_RX0                       0x01FC 0x0488 0x0000 0x9 0x0
-#define MX6ULL_PAD_CSI_DATA07__ESAI_T0                            0x0200 0x048C 0x0000 0x9 0x0
+#define MX6ULL_PAD_CSI_DATA07__ESAI_TX0                           0x0200 0x048C 0x0000 0x9 0x0
 
 #endif /* __DTS_IMX6ULL_PINFUNC_H */

arch/arm/boot/dts/socfpga_arria10_socdk_qspi.dts

@@ -23,7 +23,7 @@
 	flash0: n25q00@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q00aa";
+		compatible = "micron,mt25qu02g", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <100000000>;
 

arch/arm/boot/dts/socfpga_arria5_socdk.dts

@@ -131,7 +131,7 @@
 	flash: flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q256a";
+		compatible = "micron,n25q256a", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <100000000>;
 

arch/arm/boot/dts/socfpga_cyclone5_socdk.dts

@@ -136,7 +136,7 @@
 	flash0: n25q00@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q00";
+		compatible = "micron,mt25qu02g", "jedec,spi-nor";
 		reg = <0>;	/* chip select */
 		spi-max-frequency = <100000000>;
 

arch/arm/boot/dts/socfpga_cyclone5_sockit.dts

@@ -181,7 +181,7 @@
 	flash: flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q00";
+		compatible = "micron,mt25qu02g", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <100000000>;
 

arch/arm/boot/dts/socfpga_cyclone5_socrates.dts

@@ -87,7 +87,7 @@
 	flash: flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q256a";
+		compatible = "micron,n25q256a", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <100000000>;
 		m25p,fast-read;

arch/arm/boot/dts/socfpga_cyclone5_sodia.dts

@@ -128,7 +128,7 @@
         flash0: n25q512a@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q512a";
+		compatible = "micron,n25q512a", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <100000000>;
 

arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts

@@ -249,7 +249,7 @@
 	n25q128@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q128";
+		compatible = "micron,n25q128", "jedec,spi-nor";
 		reg = <0>;		/* chip select */
 		spi-max-frequency = <100000000>;
 		m25p,fast-read;
@@ -266,7 +266,7 @@
 	n25q00@1 {
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "n25q00";
+		compatible = "micron,mt25qu02g", "jedec,spi-nor";
 		reg = <1>;		/* chip select */
 		spi-max-frequency = <100000000>;
 		m25p,fast-read;

arch/arm/include/asm/tlb.h

@@ -280,6 +280,14 @@ tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr
 	tlb_add_flush(tlb, addr);
 }
 
+static inline void
+tlb_flush_pmd_range(struct mmu_gather *tlb, unsigned long address,
+		    unsigned long size)
+{
+	tlb_add_flush(tlb, address);
+	tlb_add_flush(tlb, address + size - PMD_SIZE);
+}
+
 #define pte_free_tlb(tlb, ptep, addr)	__pte_free_tlb(tlb, ptep, addr)
 #define pmd_free_tlb(tlb, pmdp, addr)	__pmd_free_tlb(tlb, pmdp, addr)
 #define pud_free_tlb(tlb, pudp, addr)	pud_free((tlb)->mm, pudp)

arch/arm/kernel/entry-armv.S

@@ -624,11 +624,9 @@ call_fpe:
 	tstne	r0, #0x04000000			@ bit 26 set on both ARM and Thumb-2
 	reteq	lr
 	and	r8, r0, #0x00000f00		@ mask out CP number
- THUMB(	lsr	r8, r8, #8		)
 	mov	r7, #1
-	add	r6, r10, #TI_USED_CP
+	add	r6, r10, r8, lsr #8		@ add used_cp[] array offset first
- ARM(	strb	r7, [r6, r8, lsr #8]	)	@ set appropriate used_cp[]
+	strb	r7, [r6, #TI_USED_CP]		@ set appropriate used_cp[]
- THUMB(	strb	r7, [r6, r8]		)	@ set appropriate used_cp[]
 #ifdef CONFIG_IWMMXT
 	@ Test if we need to give access to iWMMXt coprocessors
 	ldr	r5, [r10, #TI_FLAGS]
@@ -637,7 +635,7 @@ call_fpe:
 	bcs	iwmmxt_task_enable
 #endif
  ARM(	add	pc, pc, r8, lsr #6	)
- THUMB(	lsl	r8, r8, #2		)
+ THUMB(	lsr	r8, r8, #6		)
  THUMB(	add	pc, r8			)
 	nop
 

arch/arm/mach-socfpga/core.h

@@ -48,7 +48,7 @@ extern void __iomem *sdr_ctl_base_addr;
 u32 socfpga_sdram_self_refresh(u32 sdr_base);
 extern unsigned int socfpga_sdram_self_refresh_sz;
 
-extern char secondary_trampoline, secondary_trampoline_end;
+extern char secondary_trampoline[], secondary_trampoline_end[];
 
 extern unsigned long socfpga_cpu1start_addr;
 

arch/arm/mach-socfpga/platsmp.c

@@ -31,14 +31,14 @@
 
 static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
-	int trampoline_size = &secondary_trampoline_end - &secondary_trampoline;
+	int trampoline_size = secondary_trampoline_end - secondary_trampoline;
 
 	if (socfpga_cpu1start_addr) {
 		/* This will put CPU #1 into reset. */
 		writel(RSTMGR_MPUMODRST_CPU1,
 		       rst_manager_base_addr + SOCFPGA_RSTMGR_MODMPURST);
 
-		memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size);
+		memcpy(phys_to_virt(0), secondary_trampoline, trampoline_size);
 
 		writel(__pa_symbol(secondary_startup),
 		       sys_manager_base_addr + (socfpga_cpu1start_addr & 0x000000ff));
@@ -56,12 +56,12 @@ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle)
 
 static int socfpga_a10_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
-	int trampoline_size = &secondary_trampoline_end - &secondary_trampoline;
+	int trampoline_size = secondary_trampoline_end - secondary_trampoline;
 
 	if (socfpga_cpu1start_addr) {
 		writel(RSTMGR_MPUMODRST_CPU1, rst_manager_base_addr +
 		       SOCFPGA_A10_RSTMGR_MODMPURST);
-		memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size);
+		memcpy(phys_to_virt(0), secondary_trampoline, trampoline_size);
 
 		writel(__pa_symbol(secondary_startup),
 		       sys_manager_base_addr + (socfpga_cpu1start_addr & 0x00000fff));

arch/arm/mm/copypage-fa.c

@@ -17,26 +17,25 @@
 /*
  * Faraday optimised copy_user_page
  */
-static void __naked
+static void fa_copy_user_page(void *kto, const void *kfrom)
-fa_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
+	int tmp;
-	stmfd	sp!, {r4, lr}			@ 2\n\
+
-	mov	r2, %0				@ 1\n\
+	asm volatile ("\
-1:	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+1:	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-	stmia	r0, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0, {r3, r4, ip, lr}		@ 4\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ 1   clean and invalidate D line\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ 1   clean and invalidate D line\n\
-	add	r0, r0, #16			@ 1\n\
+	add	%0, %0, #16			@ 1\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-	stmia	r0, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0, {r3, r4, ip, lr}		@ 4\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ 1   clean and invalidate D line\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ 1   clean and invalidate D line\n\
-	add	r0, r0, #16			@ 1\n\
+	add	%0, %0, #16			@ 1\n\
-	subs	r2, r2, #1			@ 1\n\
+	subs	%2, %2, #1			@ 1\n\
 	bne	1b				@ 1\n\
-	mcr	p15, 0, r2, c7, c10, 4		@ 1   drain WB\n\
+	mcr	p15, 0, %2, c7, c10, 4		@ 1   drain WB"
-	ldmfd	sp!, {r4, pc}			@ 3"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
-	:
+	: "2" (PAGE_SIZE / 32)
-	: "I" (PAGE_SIZE / 32));
+	: "r3", "r4", "ip", "lr");
 }
 
 void fa_copy_user_highpage(struct page *to, struct page *from,

arch/arm/mm/copypage-feroceon.c

@@ -13,58 +13,56 @@
 #include <linux/init.h>
 #include <linux/highmem.h>
 
-static void __naked
+static void feroceon_copy_user_page(void *kto, const void *kfrom)
-feroceon_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
+	int tmp;
-	stmfd	sp!, {r4-r9, lr}		\n\
+
-	mov	ip, %2				\n\
+	asm volatile ("\
-1:	mov	lr, r1				\n\
+1:	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	pld	[%1, #0]			\n\
-	pld	[lr, #32]			\n\
+	pld	[%1, #32]			\n\
-	pld	[lr, #64]			\n\
+	pld	[%1, #64]			\n\
-	pld	[lr, #96]			\n\
+	pld	[%1, #96]			\n\
-	pld	[lr, #128]			\n\
+	pld	[%1, #128]			\n\
-	pld	[lr, #160]			\n\
+	pld	[%1, #160]			\n\
-	pld	[lr, #192]			\n\
+	pld	[%1, #192]			\n\
-	pld	[lr, #224]			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
-	ldmia	r1!, {r2 - r9}			\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
-	stmia	r0, {r2 - r9}			\n\
+	subs	%2, %2, #(32 * 8)		\n\
-	subs	ip, ip, #(32 * 8)		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
-	add	r0, r0, #32			\n\
 	bne	1b				\n\
-	mcr	p15, 0, ip, c7, c10, 4		@ drain WB\n\
+	mcr	p15, 0, %2, c7, c10, 4		@ drain WB"
-	ldmfd	sp!, {r4-r9, pc}"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
-	:
+	: "2" (PAGE_SIZE)
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE));
+	: "r2", "r3", "r4", "r5", "r6", "r7", "ip", "lr");
 }
 
 void feroceon_copy_user_highpage(struct page *to, struct page *from,

arch/arm/mm/copypage-v4mc.c

@@ -40,12 +40,11 @@ static DEFINE_RAW_SPINLOCK(minicache_lock);
  * instruction.  If your processor does not supply this, you have to write your
  * own copy_user_highpage that does the right thing.
  */
-static void __naked
+static void mc_copy_user_page(void *from, void *to)
-mc_copy_user_page(void *from, void *to)
 {
-	asm volatile(
+	int tmp;
-	"stmfd	sp!, {r4, lr}			@ 2\n\
+
-	mov	r4, %2				@ 1\n\
+	asm volatile ("\
 	ldmia	%0!, {r2, r3, ip, lr}		@ 4\n\
 1:	mcr	p15, 0, %1, c7, c6, 1		@ 1   invalidate D line\n\
 	stmia	%1!, {r2, r3, ip, lr}		@ 4\n\
@@ -55,13 +54,13 @@ mc_copy_user_page(void *from, void *to)
 	mcr	p15, 0, %1, c7, c6, 1		@ 1   invalidate D line\n\
 	stmia	%1!, {r2, r3, ip, lr}		@ 4\n\
 	ldmia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	subs	r4, r4, #1			@ 1\n\
+	subs	%2, %2, #1			@ 1\n\
 	stmia	%1!, {r2, r3, ip, lr}		@ 4\n\
 	ldmneia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	bne	1b				@ 1\n\
+	bne	1b				@ "
-	ldmfd	sp!, {r4, pc}			@ 3"
+	: "+&r" (from), "+&r" (to), "=&r" (tmp)
-	:
+	: "2" (PAGE_SIZE / 64)
-	: "r" (from), "r" (to), "I" (PAGE_SIZE / 64));
+	: "r2", "r3", "ip", "lr");
 }
 
 void v4_mc_copy_user_highpage(struct page *to, struct page *from,

arch/arm/mm/copypage-v4wb.c

@@ -22,29 +22,28 @@
  * instruction.  If your processor does not supply this, you have to write your
  * own copy_user_highpage that does the right thing.
  */
-static void __naked
+static void v4wb_copy_user_page(void *kto, const void *kfrom)
-v4wb_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
+	int tmp;
-	stmfd	sp!, {r4, lr}			@ 2\n\
+
-	mov	r2, %2				@ 1\n\
+	asm volatile ("\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-1:	mcr	p15, 0, r0, c7, c6, 1		@ 1   invalidate D line\n\
+1:	mcr	p15, 0, %0, c7, c6, 1		@ 1   invalidate D line\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4+1\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4+1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-	mcr	p15, 0, r0, c7, c6, 1		@ 1   invalidate D line\n\
+	mcr	p15, 0, %0, c7, c6, 1		@ 1   invalidate D line\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-	subs	r2, r2, #1			@ 1\n\
+	subs	%2, %2, #1			@ 1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmneia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmneia	%1!, {r3, r4, ip, lr}		@ 4\n\
 	bne	1b				@ 1\n\
-	mcr	p15, 0, r1, c7, c10, 4		@ 1   drain WB\n\
+	mcr	p15, 0, %1, c7, c10, 4		@ 1   drain WB"
-	ldmfd	 sp!, {r4, pc}			@ 3"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
-	:
+	: "2" (PAGE_SIZE / 64)
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
+	: "r3", "r4", "ip", "lr");
 }
 
 void v4wb_copy_user_highpage(struct page *to, struct page *from,

arch/arm/mm/copypage-v4wt.c

@@ -20,27 +20,26 @@
  * dirty data in the cache.  However, we do have to ensure that
  * subsequent reads are up to date.
  */
-static void __naked
+static void v4wt_copy_user_page(void *kto, const void *kfrom)
-v4wt_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
+	int tmp;
-	stmfd	sp!, {r4, lr}			@ 2\n\
+
-	mov	r2, %2				@ 1\n\
+	asm volatile ("\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-1:	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+1:	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4+1\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4+1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
-	subs	r2, r2, #1			@ 1\n\
+	subs	%2, %2, #1			@ 1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmneia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	ldmneia	%1!, {r3, r4, ip, lr}		@ 4\n\
 	bne	1b				@ 1\n\
-	mcr	p15, 0, r2, c7, c7, 0		@ flush ID cache\n\
+	mcr	p15, 0, %2, c7, c7, 0		@ flush ID cache"
-	ldmfd	sp!, {r4, pc}			@ 3"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
-	:
+	: "2" (PAGE_SIZE / 64)
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
+	: "r3", "r4", "ip", "lr");
 }
 
 void v4wt_copy_user_highpage(struct page *to, struct page *from,

arch/arm/mm/copypage-xsc3.c

@@ -21,53 +21,46 @@
 
 /*
  * XSC3 optimised copy_user_highpage
- *  r0 = destination
- *  r1 = source
  *
  * The source page may have some clean entries in the cache already, but we
  * can safely ignore them - break_cow() will flush them out of the cache
  * if we eventually end up using our copied page.
  *
  */
-static void __naked
+static void xsc3_mc_copy_user_page(void *kto, const void *kfrom)
-xsc3_mc_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
+	int tmp;
-	stmfd	sp!, {r4, r5, lr}		\n\
+
-	mov	lr, %2				\n\
+	asm volatile ("\
+	pld	[%1, #0]			\n\
+	pld	[%1, #32]			\n\
+1:	pld	[%1, #64]			\n\
+	pld	[%1, #96]			\n\
 						\n\
-	pld	[r1, #0]			\n\
+2:	ldrd	r2, [%1], #8			\n\
-	pld	[r1, #32]			\n\
+	ldrd	r4, [%1], #8			\n\
-1:	pld	[r1, #64]			\n\
+	mcr	p15, 0, %0, c7, c6, 1		@ invalidate\n\
-	pld	[r1, #96]			\n\
+	strd	r2, [%0], #8			\n\
-						\n\
+	ldrd	r2, [%1], #8			\n\
-2:	ldrd	r2, [r1], #8			\n\
+	strd	r4, [%0], #8			\n\
-	mov	ip, r0				\n\
+	ldrd	r4, [%1], #8			\n\
-	ldrd	r4, [r1], #8			\n\
+	strd	r2, [%0], #8			\n\
-	mcr	p15, 0, ip, c7, c6, 1		@ invalidate\n\
+	strd	r4, [%0], #8			\n\
-	strd	r2, [r0], #8			\n\
+	ldrd	r2, [%1], #8			\n\
-	ldrd	r2, [r1], #8			\n\
+	ldrd	r4, [%1], #8			\n\
-	strd	r4, [r0], #8			\n\
+	mcr	p15, 0, %0, c7, c6, 1		@ invalidate\n\
-	ldrd	r4, [r1], #8			\n\
+	strd	r2, [%0], #8			\n\
-	strd	r2, [r0], #8			\n\
+	ldrd	r2, [%1], #8			\n\
-	strd	r4, [r0], #8			\n\
+	subs	%2, %2, #1			\n\
-	ldrd	r2, [r1], #8			\n\
+	strd	r4, [%0], #8			\n\
-	mov	ip, r0				\n\
+	ldrd	r4, [%1], #8			\n\
-	ldrd	r4, [r1], #8			\n\
+	strd	r2, [%0], #8			\n\
-	mcr	p15, 0, ip, c7, c6, 1		@ invalidate\n\
+	strd	r4, [%0], #8			\n\
-	strd	r2, [r0], #8			\n\
-	ldrd	r2, [r1], #8			\n\
-	subs	lr, lr, #1			\n\
-	strd	r4, [r0], #8			\n\
-	ldrd	r4, [r1], #8			\n\
-	strd	r2, [r0], #8			\n\
-	strd	r4, [r0], #8			\n\
 	bgt	1b				\n\
-	beq	2b				\n\
+	beq	2b				"
-						\n\
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
-	ldmfd	sp!, {r4, r5, pc}"
+	: "2" (PAGE_SIZE / 64 - 1)
-	:
+	: "r2", "r3", "r4", "r5");
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64 - 1));
 }
 
 void xsc3_mc_copy_user_highpage(struct page *to, struct page *from,
@@ -85,8 +78,6 @@ void xsc3_mc_copy_user_highpage(struct page *to, struct page *from,
 
 /*
  * XScale optimised clear_user_page
- *  r0 = destination
- *  r1 = virtual user address of ultimate destination page
  */
 void xsc3_mc_clear_user_highpage(struct page *page, unsigned long vaddr)
 {

arch/arm/mm/copypage-xscale.c

@@ -36,52 +36,51 @@ static DEFINE_RAW_SPINLOCK(minicache_lock);
  * Dcache aliasing issue.  The writes will be forwarded to the write buffer,
  * and merged as appropriate.
  */
-static void __naked
+static void mc_copy_user_page(void *from, void *to)
-mc_copy_user_page(void *from, void *to)
 {
+	int tmp;
+
 	/*
 	 * Strangely enough, best performance is achieved
 	 * when prefetching destination as well.  (NP)
 	 */
-	asm volatile(
+	asm volatile ("\
-	"stmfd	sp!, {r4, r5, lr}		\n\
+	pld	[%0, #0]			\n\
-	mov	lr, %2				\n\
+	pld	[%0, #32]			\n\
-	pld	[r0, #0]			\n\
+	pld	[%1, #0]			\n\
-	pld	[r0, #32]			\n\
+	pld	[%1, #32]			\n\
-	pld	[r1, #0]			\n\
+1:	pld	[%0, #64]			\n\
-	pld	[r1, #32]			\n\
+	pld	[%0, #96]			\n\
-1:	pld	[r0, #64]			\n\
+	pld	[%1, #64]			\n\
-	pld	[r0, #96]			\n\
+	pld	[%1, #96]			\n\
-	pld	[r1, #64]			\n\
+2:	ldrd	r2, [%0], #8			\n\
-	pld	[r1, #96]			\n\
+	ldrd	r4, [%0], #8			\n\
-2:	ldrd	r2, [r0], #8			\n\
+	mov	ip, %1				\n\
-	ldrd	r4, [r0], #8			\n\
+	strd	r2, [%1], #8			\n\
-	mov	ip, r1				\n\
+	ldrd	r2, [%0], #8			\n\
-	strd	r2, [r1], #8			\n\
+	strd	r4, [%1], #8			\n\
-	ldrd	r2, [r0], #8			\n\
+	ldrd	r4, [%0], #8			\n\
-	strd	r4, [r1], #8			\n\
+	strd	r2, [%1], #8			\n\
-	ldrd	r4, [r0], #8			\n\
+	strd	r4, [%1], #8			\n\
-	strd	r2, [r1], #8			\n\
-	strd	r4, [r1], #8			\n\
 	mcr	p15, 0, ip, c7, c10, 1		@ clean D line\n\
-	ldrd	r2, [r0], #8			\n\
+	ldrd	r2, [%0], #8			\n\
 	mcr	p15, 0, ip, c7, c6, 1		@ invalidate D line\n\
-	ldrd	r4, [r0], #8			\n\
+	ldrd	r4, [%0], #8			\n\
-	mov	ip, r1				\n\
+	mov	ip, %1				\n\
-	strd	r2, [r1], #8			\n\
+	strd	r2, [%1], #8			\n\
-	ldrd	r2, [r0], #8			\n\
+	ldrd	r2, [%0], #8			\n\
-	strd	r4, [r1], #8			\n\
+	strd	r4, [%1], #8			\n\
-	ldrd	r4, [r0], #8			\n\
+	ldrd	r4, [%0], #8			\n\
-	strd	r2, [r1], #8			\n\
+	strd	r2, [%1], #8			\n\
-	strd	r4, [r1], #8			\n\
+	strd	r4, [%1], #8			\n\
 	mcr	p15, 0, ip, c7, c10, 1		@ clean D line\n\
-	subs	lr, lr, #1			\n\
+	subs	%2, %2, #1			\n\
 	mcr	p15, 0, ip, c7, c6, 1		@ invalidate D line\n\
 	bgt	1b				\n\
-	beq	2b				\n\
+	beq	2b				"
-	ldmfd	sp!, {r4, r5, pc}		"
+	: "+&r" (from), "+&r" (to), "=&r" (tmp)
-	:
+	: "2" (PAGE_SIZE / 64 - 1)
-	: "r" (from), "r" (to), "I" (PAGE_SIZE / 64 - 1));
+	: "r2", "r3", "r4", "r5", "ip");
 }
 
 void xscale_mc_copy_user_highpage(struct page *to, struct page *from,

arch/arm64/boot/dts/marvell/armada-3720-db.dts

@@ -155,6 +155,9 @@
 
 /* CON15(V2.0)/CON17(V1.4) : PCIe / CON15(V2.0)/CON12(V1.4) :mini-PCIe */
 &pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
+	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
 	status = "okay";
 };
 

arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts

@@ -82,6 +82,9 @@
 
 /* J9 */
 &pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
+	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
 	status = "okay";
 };
 

arch/arm64/boot/dts/marvell/armada-37xx.dtsi

@@ -239,6 +239,15 @@
 					function = "mii";
 				};
 
+				pcie_reset_pins: pcie-reset-pins {
+					groups = "pcie1";
+					function = "gpio";
+				};
+
+				pcie_clkreq_pins: pcie-clkreq-pins {
+					groups = "pcie1_clkreq";
+					function = "pcie";
+				};
 			};
 
 			eth0: ethernet@30000 {

arch/ia64/include/asm/tlb.h

@@ -269,6 +269,16 @@ __tlb_remove_tlb_entry (struct mmu_gather *tlb, pte_t *ptep, unsigned long addre
 	tlb->end_addr = address + PAGE_SIZE;
 }
 
+static inline void
+tlb_flush_pmd_range(struct mmu_gather *tlb, unsigned long address,
+		    unsigned long size)
+{
+	if (tlb->start_addr > address)
+		tlb->start_addr = address;
+	if (tlb->end_addr < address + size)
+		tlb->end_addr = address + size;
+}
+
 #define tlb_migrate_finish(mm)	platform_tlb_migrate_finish(mm)
 
 #define tlb_start_vma(tlb, vma)			do { } while (0)

arch/mips/Kconfig

@@ -2990,7 +2990,7 @@ config HAVE_LATENCYTOP_SUPPORT
 config PGTABLE_LEVELS
 	int
 	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
-	default 3 if 64BIT && !PAGE_SIZE_64KB
+	default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
 	default 2
 
 source "init/Kconfig"

arch/parisc/Makefile

@@ -17,7 +17,12 @@
 # Mike Shaver, Helge Deller and Martin K. Petersen
 #
 
+ifdef CONFIG_PARISC_SELF_EXTRACT
+boot := arch/parisc/boot
+KBUILD_IMAGE := $(boot)/bzImage
+else
 KBUILD_IMAGE := vmlinuz
+endif
 
 KBUILD_DEFCONFIG := default_defconfig
 

arch/parisc/install.sh

@@ -39,6 +39,7 @@ verify "$3"
 if [ -n "${INSTALLKERNEL}" ]; then
   if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
   if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
+  if [ -x /usr/sbin/${INSTALLKERNEL} ]; then exec /usr/sbin/${INSTALLKERNEL} "$@"; fi
 fi
 
 # Default install

arch/parisc/kernel/time.c

@@ -245,27 +245,13 @@ void __init time_init(void)
 static int __init init_cr16_clocksource(void)
 {
 	/*
-	 * The cr16 interval timers are not syncronized across CPUs on
+	 * The cr16 interval timers are not syncronized across CPUs, even if
-	 * different sockets, so mark them unstable and lower rating on
+	 * they share the same socket.
-	 * multi-socket SMP systems.
 	 */
 	if (num_online_cpus() > 1 && !running_on_qemu) {
-		int cpu;
+		clocksource_cr16.name = "cr16_unstable";
-		unsigned long cpu0_loc;
+		clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE;
-		cpu0_loc = per_cpu(cpu_data, 0).cpu_loc;
+		clocksource_cr16.rating = 0;
-
-		for_each_online_cpu(cpu) {
-			if (cpu == 0)
-				continue;
-			if ((cpu0_loc != 0) &&
-			    (cpu0_loc == per_cpu(cpu_data, cpu).cpu_loc))
-				continue;
-
-			clocksource_cr16.name = "cr16_unstable";
-			clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE;
-			clocksource_cr16.rating = 0;
-			break;
-		}
 	}
 
 	/* XXX: We may want to mark sched_clock stable here if cr16 clocks are

arch/s390/include/asm/tlb.h

@@ -116,6 +116,20 @@ static inline void tlb_remove_page_size(struct mmu_gather *tlb,
 	return tlb_remove_page(tlb, page);
 }
 
+static inline void tlb_flush_pmd_range(struct mmu_gather *tlb,
+				unsigned long address, unsigned long size)
+{
+	/*
+	 * the range might exceed the original range that was provided to
+	 * tlb_gather_mmu(), so we need to update it despite the fact it is
+	 * usually not updated.
+	 */
+	if (tlb->start > address)
+		tlb->start = address;
+	if (tlb->end < address + size)
+		tlb->end = address + size;
+}
+
 /*
  * pte_free_tlb frees a pte table and clears the CRSTE for the
  * page table from the tlb.

arch/s390/kernel/setup.c

@@ -706,9 +706,6 @@ static void __init setup_memory(void)
 		storage_key_init_range(reg->base, reg->base + reg->size);
 	}
 	psw_set_key(PAGE_DEFAULT_KEY);
-
-	/* Only cosmetics */
-	memblock_enforce_memory_limit(memblock_end_of_DRAM());
 }
 
 /*

arch/s390/mm/pgtable.c

@@ -896,6 +896,7 @@ EXPORT_SYMBOL(get_guest_storage_key);
 int pgste_perform_essa(struct mm_struct *mm, unsigned long hva, int orc,
 			unsigned long *oldpte, unsigned long *oldpgste)
 {
+	struct vm_area_struct *vma;
 	unsigned long pgstev;
 	spinlock_t *ptl;
 	pgste_t pgste;
@@ -905,6 +906,10 @@ int pgste_perform_essa(struct mm_struct *mm, unsigned long hva, int orc,
 	WARN_ON_ONCE(orc > ESSA_MAX);
 	if (unlikely(orc > ESSA_MAX))
 		return -EINVAL;
+
+	vma = find_vma(mm, hva);
+	if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma))
+		return -EFAULT;
 	ptep = get_locked_pte(mm, hva, &ptl);
 	if (unlikely(!ptep))
 		return -EFAULT;
@@ -997,10 +1002,14 @@ EXPORT_SYMBOL(pgste_perform_essa);
 int set_pgste_bits(struct mm_struct *mm, unsigned long hva,
 			unsigned long bits, unsigned long value)
 {
+	struct vm_area_struct *vma;
 	spinlock_t *ptl;
 	pgste_t new;
 	pte_t *ptep;
 
+	vma = find_vma(mm, hva);
+	if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma))
+		return -EFAULT;
 	ptep = get_locked_pte(mm, hva, &ptl);
 	if (unlikely(!ptep))
 		return -EFAULT;
@@ -1025,9 +1034,13 @@ EXPORT_SYMBOL(set_pgste_bits);
  */
 int get_pgste(struct mm_struct *mm, unsigned long hva, unsigned long *pgstep)
 {
+	struct vm_area_struct *vma;
 	spinlock_t *ptl;
 	pte_t *ptep;
 
+	vma = find_vma(mm, hva);
+	if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma))
+		return -EFAULT;
 	ptep = get_locked_pte(mm, hva, &ptl);
 	if (unlikely(!ptep))
 		return -EFAULT;

arch/sh/include/asm/tlb.h

@@ -127,6 +127,16 @@ static inline void tlb_remove_page_size(struct mmu_gather *tlb,
 	return tlb_remove_page(tlb, page);
 }
 
+static inline void
+tlb_flush_pmd_range(struct mmu_gather *tlb, unsigned long address,
+		    unsigned long size)
+{
+	if (tlb->start > address)
+		tlb->start = address;
+	if (tlb->end < address + size)
+		tlb->end = address + size;
+}
+
 #define tlb_remove_check_page_size_change tlb_remove_check_page_size_change
 static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb,
 						     unsigned int page_size)

arch/um/include/asm/tlb.h

@@ -130,6 +130,18 @@ static inline void tlb_remove_page_size(struct mmu_gather *tlb,
 	return tlb_remove_page(tlb, page);
 }
 
+static inline void
+tlb_flush_pmd_range(struct mmu_gather *tlb, unsigned long address,
+		    unsigned long size)
+{
+	tlb->need_flush = 1;
+
+	if (tlb->start > address)
+		tlb->start = address;
+	if (tlb->end < address + size)
+		tlb->end = address + size;
+}
+
 /**
  * tlb_remove_tlb_entry - remember a pte unmapping for later tlb invalidation.
  *

arch/x86/Kconfig

@@ -1449,6 +1449,7 @@ config ARCH_HAS_MEM_ENCRYPT
 config AMD_MEM_ENCRYPT
 	bool "AMD Secure Memory Encryption (SME) support"
 	depends on X86_64 && CPU_SUP_AMD
+	select ARCH_USE_MEMREMAP_PROT
 	---help---
 	  Say yes to enable support for the encryption of system memory.
 	  This requires an AMD processor that supports Secure Memory
@@ -1467,10 +1468,6 @@ config AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT
 	  If set to N, then the encryption of system memory can be
 	  activated with the mem_encrypt=on command line option.
 
-config ARCH_USE_MEMREMAP_PROT
-	def_bool y
-	depends on AMD_MEM_ENCRYPT
-
 # Common NUMA Features
 config NUMA
 	bool "Numa Memory Allocation and Scheduler Support"
@@ -1903,6 +1900,7 @@ config EFI
 	depends on ACPI
 	select UCS2_STRING
 	select EFI_RUNTIME_WRAPPERS
+	select ARCH_USE_MEMREMAP_PROT
 	---help---
 	  This enables the kernel to use EFI runtime services that are
 	  available (such as the EFI variable services).

arch/x86/include/asm/pgtable.h

@@ -1220,8 +1220,8 @@ static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd)
 #endif
 #endif
 
-#define PKRU_AD_BIT 0x1
+#define PKRU_AD_BIT 0x1u
-#define PKRU_WD_BIT 0x2
+#define PKRU_WD_BIT 0x2u
 #define PKRU_BITS_PER_PKEY 2
 
 static inline bool __pkru_allows_read(u32 pkru, u16 pkey)

arch/x86/mm/ioremap.c

@@ -626,7 +626,7 @@ bool phys_mem_access_encrypted(unsigned long phys_addr, unsigned long size)
 	return arch_memremap_can_ram_remap(phys_addr, size, 0);
 }
 
-#ifdef CONFIG_ARCH_USE_MEMREMAP_PROT
+#ifdef CONFIG_AMD_MEM_ENCRYPT
 /* Remap memory with encryption */
 void __init *early_memremap_encrypted(resource_size_t phys_addr,
 				      unsigned long size)
@@ -668,7 +668,7 @@ void __init *early_memremap_decrypted_wp(resource_size_t phys_addr,
 
 	return early_memremap_prot(phys_addr, size, __PAGE_KERNEL_NOENC_WP);
 }
-#endif	/* CONFIG_ARCH_USE_MEMREMAP_PROT */
+#endif	/* CONFIG_AMD_MEM_ENCRYPT */
 
 static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss;
 

arch/x86/platform/efi/quirks.c

@@ -276,7 +276,8 @@ void __init efi_arch_mem_reserve(phys_addr_t addr, u64 size)
 		return;
 	}
 
-	new = early_memremap(new_phys, new_size);
+	new = early_memremap_prot(new_phys, new_size,
+				  pgprot_val(pgprot_encrypted(FIXMAP_PAGE_NORMAL)));
 	if (!new) {
 		pr_err("Failed to map new boot services memmap\n");
 		return;

arch/x86/realmode/init.c

@@ -57,6 +57,7 @@ static void __init setup_real_mode(void)
 #ifdef CONFIG_X86_64
 	u64 *trampoline_pgd;
 	u64 efer;
+	int i;
 #endif
 
 	base = (unsigned char *)real_mode_header;
@@ -114,8 +115,17 @@ static void __init setup_real_mode(void)
 		trampoline_header->flags |= TH_FLAGS_SME_ACTIVE;
 
 	trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd);
+
+	/* Map the real mode stub as virtual == physical */
 	trampoline_pgd[0] = trampoline_pgd_entry.pgd;
-	trampoline_pgd[511] = init_top_pgt[511].pgd;
+
+	/*
+	 * Include the entirety of the kernel mapping into the trampoline
+	 * PGD.  This way, all mappings present in the normal kernel page
+	 * tables are usable while running on trampoline_pgd.
+	 */
+	for (i = pgd_index(__PAGE_OFFSET); i < PTRS_PER_PGD; i++)
+		trampoline_pgd[i] = init_top_pgt[i].pgd;
 #endif
 }
 

block/ioprio.c

@@ -196,6 +196,7 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
 				pgrp = task_pgrp(current);
 			else
 				pgrp = find_vpid(who);
+			read_lock(&tasklist_lock);
 			do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
 				tmpio = get_task_ioprio(p);
 				if (tmpio < 0)
@@ -205,6 +206,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
 				else
 					ret = ioprio_best(ret, tmpio);
 			} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+			read_unlock(&tasklist_lock);
+
 			break;
 		case IOPRIO_WHO_USER:
 			uid = make_kuid(current_user_ns(), who);

drivers/android/binder.c

@@ -2894,7 +2894,7 @@ static void binder_transaction(struct binder_proc *proc,
 		t->from = thread;
 	else
 		t->from = NULL;
-	t->sender_euid = proc->cred->euid;
+	t->sender_euid = task_euid(proc->tsk);
 	t->to_proc = target_proc;
 	t->to_thread = target_thread;
 	t->code = tr->code;
@@ -4336,23 +4336,20 @@ static int binder_thread_release(struct binder_proc *proc,
 	}
 
 	/*
-	 * If this thread used poll, make sure we remove the waitqueue
+	 * If this thread used poll, make sure we remove the waitqueue from any
-	 * from any epoll data structures holding it with POLLFREE.
+	 * poll data structures holding it.
-	 * waitqueue_active() is safe to use here because we're holding
-	 * the inner lock.
 	 */
-	if ((thread->looper & BINDER_LOOPER_STATE_POLL) &&
+	if (thread->looper & BINDER_LOOPER_STATE_POLL)
-	    waitqueue_active(&thread->wait)) {
+		wake_up_pollfree(&thread->wait);
-		wake_up_poll(&thread->wait, POLLHUP | POLLFREE);
-	}
 
 	binder_inner_proc_unlock(thread->proc);
 
 	/*
-	 * This is needed to avoid races between wake_up_poll() above and
+	 * This is needed to avoid races between wake_up_pollfree() above and
-	 * and ep_remove_waitqueue() called for other reasons (eg the epoll file
+	 * someone else removing the last entry from the queue for other reasons
-	 * descriptor being closed); ep_remove_waitqueue() holds an RCU read
+	 * (e.g. ep_remove_wait_queue() being called due to an epoll file
-	 * lock, so we can be sure it's done after calling synchronize_rcu().
+	 * descriptor being closed).  Such other users hold an RCU read lock, so
+	 * we can be sure they're done after we call synchronize_rcu().
 	 */
 	if (thread->looper & BINDER_LOOPER_STATE_POLL)
 		synchronize_rcu();

drivers/android/binder_alloc.c

@@ -619,7 +619,7 @@ static void binder_free_buf_locked(struct binder_alloc *alloc,
 	BUG_ON(buffer->data > alloc->buffer + alloc->buffer_size);
 
 	if (buffer->async_transaction) {
-		alloc->free_async_space += size + sizeof(struct binder_buffer);
+		alloc->free_async_space += buffer_size + sizeof(struct binder_buffer);
 
 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC,
 			     "%d: binder_free_buf size %zd async free %zd\n",

drivers/ata/libata-core.c

@@ -4449,6 +4449,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "VRFDFC22048UCHC-TE*", NULL,		ATA_HORKAGE_NODMA },
 	/* Odd clown on sil3726/4726 PMPs */
 	{ "Config  Disk",	NULL,		ATA_HORKAGE_DISABLE },
+	/* Similar story with ASMedia 1092 */
+	{ "ASMT109x- Config",	NULL,		ATA_HORKAGE_DISABLE },
 
 	/* Weird ATAPI devices */
 	{ "TORiSAN DVD-ROM DRD-N216", NULL,	ATA_HORKAGE_MAX_SEC_128 },

drivers/ata/libata-scsi.c

@@ -3182,8 +3182,19 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
 		goto invalid_fld;
 	}
 
-	if (ata_is_ncq(tf->protocol) && (cdb[2 + cdb_offset] & 0x3) == 0)
+	if ((cdb[2 + cdb_offset] & 0x3) == 0) {
-		tf->protocol = ATA_PROT_NCQ_NODATA;
+		/*
+		 * When T_LENGTH is zero (No data is transferred), dir should
+		 * be DMA_NONE.
+		 */
+		if (scmd->sc_data_direction != DMA_NONE) {
+			fp = 2 + cdb_offset;
+			goto invalid_fld;
+		}
+
+		if (ata_is_ncq(tf->protocol))
+			tf->protocol = ATA_PROT_NCQ_NODATA;
+	}
 
 	/* enable LBA */
 	tf->flags |= ATA_TFLAG_LBA;

drivers/ata/sata_fsl.c

@@ -1406,6 +1406,14 @@ static int sata_fsl_init_controller(struct ata_host *host)
 	return 0;
 }
 
+static void sata_fsl_host_stop(struct ata_host *host)
+{
+        struct sata_fsl_host_priv *host_priv = host->private_data;
+
+        iounmap(host_priv->hcr_base);
+        kfree(host_priv);
+}
+
 /*
  * scsi mid-layer and libata interface structures
  */
@@ -1438,6 +1446,8 @@ static struct ata_port_operations sata_fsl_ops = {
 	.port_start = sata_fsl_port_start,
 	.port_stop = sata_fsl_port_stop,
 
+	.host_stop      = sata_fsl_host_stop,
+
 	.pmp_attach = sata_fsl_pmp_attach,
 	.pmp_detach = sata_fsl_pmp_detach,
 };
@@ -1492,9 +1502,9 @@ static int sata_fsl_probe(struct platform_device *ofdev)
 	host_priv->ssr_base = ssr_base;
 	host_priv->csr_base = csr_base;
 
-	irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
+	irq = platform_get_irq(ofdev, 0);
-	if (!irq) {
+	if (irq < 0) {
-		dev_err(&ofdev->dev, "invalid irq from platform\n");
+		retval = irq;
 		goto error_exit_with_cleanup;
 	}
 	host_priv->irq = irq;
@@ -1569,10 +1579,6 @@ static int sata_fsl_remove(struct platform_device *ofdev)
 
 	ata_host_detach(host);
 
-	irq_dispose_mapping(host_priv->irq);
-	iounmap(host_priv->hcr_base);
-	kfree(host_priv);
-
 	return 0;
 }
 

drivers/block/xen-blkfront.c

@@ -78,6 +78,7 @@ enum blkif_state {
 	BLKIF_STATE_DISCONNECTED,
 	BLKIF_STATE_CONNECTED,
 	BLKIF_STATE_SUSPENDED,
+	BLKIF_STATE_ERROR,
 };
 
 struct grant {
@@ -87,6 +88,7 @@ struct grant {
 };
 
 enum blk_req_status {
+	REQ_PROCESSING,
 	REQ_WAITING,
 	REQ_DONE,
 	REQ_ERROR,
@@ -534,10 +536,10 @@ static unsigned long blkif_ring_get_request(struct blkfront_ring_info *rinfo,
 
 	id = get_id_from_freelist(rinfo);
 	rinfo->shadow[id].request = req;
-	rinfo->shadow[id].status = REQ_WAITING;
+	rinfo->shadow[id].status = REQ_PROCESSING;
 	rinfo->shadow[id].associated_id = NO_ASSOCIATED_ID;
 
-	(*ring_req)->u.rw.id = id;
+	rinfo->shadow[id].req.u.rw.id = id;
 
 	return id;
 }
@@ -545,11 +547,12 @@ static unsigned long blkif_ring_get_request(struct blkfront_ring_info *rinfo,
 static int blkif_queue_discard_req(struct request *req, struct blkfront_ring_info *rinfo)
 {
 	struct blkfront_info *info = rinfo->dev_info;
-	struct blkif_request *ring_req;
+	struct blkif_request *ring_req, *final_ring_req;
 	unsigned long id;
 
 	/* Fill out a communications ring structure. */
-	id = blkif_ring_get_request(rinfo, req, &ring_req);
+	id = blkif_ring_get_request(rinfo, req, &final_ring_req);
+	ring_req = &rinfo->shadow[id].req;
 
 	ring_req->operation = BLKIF_OP_DISCARD;
 	ring_req->u.discard.nr_sectors = blk_rq_sectors(req);
@@ -560,8 +563,9 @@ static int blkif_queue_discard_req(struct request *req, struct blkfront_ring_inf
 	else
 		ring_req->u.discard.flag = 0;
 
-	/* Keep a private copy so we can reissue requests when recovering. */
+	/* Copy the request to the ring page. */
-	rinfo->shadow[id].req = *ring_req;
+	*final_ring_req = *ring_req;
+	rinfo->shadow[id].status = REQ_WAITING;
 
 	return 0;
 }
@@ -694,6 +698,7 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri
 {
 	struct blkfront_info *info = rinfo->dev_info;
 	struct blkif_request *ring_req, *extra_ring_req = NULL;
+	struct blkif_request *final_ring_req, *final_extra_ring_req = NULL;
 	unsigned long id, extra_id = NO_ASSOCIATED_ID;
 	bool require_extra_req = false;
 	int i;
@@ -738,7 +743,8 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri
 	}
 
 	/* Fill out a communications ring structure. */
-	id = blkif_ring_get_request(rinfo, req, &ring_req);
+	id = blkif_ring_get_request(rinfo, req, &final_ring_req);
+	ring_req = &rinfo->shadow[id].req;
 
 	num_sg = blk_rq_map_sg(req->q, req, rinfo->shadow[id].sg);
 	num_grant = 0;
@@ -789,7 +795,9 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri
 		ring_req->u.rw.nr_segments = num_grant;
 		if (unlikely(require_extra_req)) {
 			extra_id = blkif_ring_get_request(rinfo, req,
-							  &extra_ring_req);
+							  &final_extra_ring_req);
+			extra_ring_req = &rinfo->shadow[extra_id].req;
+
 			/*
 			 * Only the first request contains the scatter-gather
 			 * list.
@@ -831,10 +839,13 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri
 	if (setup.segments)
 		kunmap_atomic(setup.segments);
 
-	/* Keep a private copy so we can reissue requests when recovering. */
+	/* Copy request(s) to the ring page. */
-	rinfo->shadow[id].req = *ring_req;
+	*final_ring_req = *ring_req;
-	if (unlikely(require_extra_req))
+	rinfo->shadow[id].status = REQ_WAITING;
-		rinfo->shadow[extra_id].req = *extra_ring_req;
+	if (unlikely(require_extra_req)) {
+		*final_extra_ring_req = *extra_ring_req;
+		rinfo->shadow[extra_id].status = REQ_WAITING;
+	}
 
 	if (new_persistent_gnts)
 		gnttab_free_grant_references(setup.gref_head);
@@ -1408,8 +1419,8 @@ static enum blk_req_status blkif_rsp_to_req_status(int rsp)
 static int blkif_get_final_status(enum blk_req_status s1,
 				  enum blk_req_status s2)
 {
-	BUG_ON(s1 == REQ_WAITING);
+	BUG_ON(s1 < REQ_DONE);
-	BUG_ON(s2 == REQ_WAITING);
+	BUG_ON(s2 < REQ_DONE);
 
 	if (s1 == REQ_ERROR || s2 == REQ_ERROR)
 		return BLKIF_RSP_ERROR;
@@ -1442,7 +1453,7 @@ static bool blkif_completion(unsigned long *id,
 		s->status = blkif_rsp_to_req_status(bret->status);
 
 		/* Wait the second response if not yet here. */
-		if (s2->status == REQ_WAITING)
+		if (s2->status < REQ_DONE)
 			return 0;
 
 		bret->status = blkif_get_final_status(s->status,
@@ -1550,65 +1561,92 @@ static bool blkif_completion(unsigned long *id,
 static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 {
 	struct request *req;
-	struct blkif_response *bret;
+	struct blkif_response bret;
 	RING_IDX i, rp;
 	unsigned long flags;
 	struct blkfront_ring_info *rinfo = (struct blkfront_ring_info *)dev_id;
 	struct blkfront_info *info = rinfo->dev_info;
+	unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS;
 
-	if (unlikely(info->connected != BLKIF_STATE_CONNECTED))
+	if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) {
+		xen_irq_lateeoi(irq, XEN_EOI_FLAG_SPURIOUS);
 		return IRQ_HANDLED;
+	}
 
 	spin_lock_irqsave(&rinfo->ring_lock, flags);
  again:
-	rp = rinfo->ring.sring->rsp_prod;
+	rp = READ_ONCE(rinfo->ring.sring->rsp_prod);
-	rmb(); /* Ensure we see queued responses up to 'rp'. */
+	virt_rmb(); /* Ensure we see queued responses up to 'rp'. */
+	if (RING_RESPONSE_PROD_OVERFLOW(&rinfo->ring, rp)) {
+		pr_alert("%s: illegal number of responses %u\n",
+			 info->gd->disk_name, rp - rinfo->ring.rsp_cons);
+		goto err;
+	}
 
 	for (i = rinfo->ring.rsp_cons; i != rp; i++) {
 		unsigned long id;
+		unsigned int op;
+
+		eoiflag = 0;
+
+		RING_COPY_RESPONSE(&rinfo->ring, i, &bret);
+		id = bret.id;
 
-		bret = RING_GET_RESPONSE(&rinfo->ring, i);
-		id   = bret->id;
 		/*
 		 * The backend has messed up and given us an id that we would
 		 * never have given to it (we stamp it up to BLK_RING_SIZE -
 		 * look in get_id_from_freelist.
 		 */
 		if (id >= BLK_RING_SIZE(info)) {
-			WARN(1, "%s: response to %s has incorrect id (%ld)\n",
+			pr_alert("%s: response has incorrect id (%ld)\n",
-			     info->gd->disk_name, op_name(bret->operation), id);
+				 info->gd->disk_name, id);
-			/* We can't safely get the 'struct request' as
+			goto err;
-			 * the id is busted. */
-			continue;
 		}
+		if (rinfo->shadow[id].status != REQ_WAITING) {
+			pr_alert("%s: response references no pending request\n",
+				 info->gd->disk_name);
+			goto err;
+		}
+
+		rinfo->shadow[id].status = REQ_PROCESSING;
 		req  = rinfo->shadow[id].request;
 
-		if (bret->operation != BLKIF_OP_DISCARD) {
+		op = rinfo->shadow[id].req.operation;
+		if (op == BLKIF_OP_INDIRECT)
+			op = rinfo->shadow[id].req.u.indirect.indirect_op;
+		if (bret.operation != op) {
+			pr_alert("%s: response has wrong operation (%u instead of %u)\n",
+				 info->gd->disk_name, bret.operation, op);
+			goto err;
+		}
+
+		if (bret.operation != BLKIF_OP_DISCARD) {
 			/*
 			 * We may need to wait for an extra response if the
 			 * I/O request is split in 2
 			 */
-			if (!blkif_completion(&id, rinfo, bret))
+			if (!blkif_completion(&id, rinfo, &bret))
 				continue;
 		}
 
 		if (add_id_to_freelist(rinfo, id)) {
 			WARN(1, "%s: response to %s (id %ld) couldn't be recycled!\n",
-			     info->gd->disk_name, op_name(bret->operation), id);
+			     info->gd->disk_name, op_name(bret.operation), id);
 			continue;
 		}
 
-		if (bret->status == BLKIF_RSP_OKAY)
+		if (bret.status == BLKIF_RSP_OKAY)
 			blkif_req(req)->error = BLK_STS_OK;
 		else
 			blkif_req(req)->error = BLK_STS_IOERR;
 
-		switch (bret->operation) {
+		switch (bret.operation) {
 		case BLKIF_OP_DISCARD:
-			if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) {
+			if (unlikely(bret.status == BLKIF_RSP_EOPNOTSUPP)) {
 				struct request_queue *rq = info->rq;
-				printk(KERN_WARNING "blkfront: %s: %s op failed\n",
+
-					   info->gd->disk_name, op_name(bret->operation));
+				pr_warn_ratelimited("blkfront: %s: %s op failed\n",
+					   info->gd->disk_name, op_name(bret.operation));
 				blkif_req(req)->error = BLK_STS_NOTSUPP;
 				info->feature_discard = 0;
 				info->feature_secdiscard = 0;
@@ -1618,15 +1656,15 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 			break;
 		case BLKIF_OP_FLUSH_DISKCACHE:
 		case BLKIF_OP_WRITE_BARRIER:
-			if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) {
+			if (unlikely(bret.status == BLKIF_RSP_EOPNOTSUPP)) {
-				printk(KERN_WARNING "blkfront: %s: %s op failed\n",
+				pr_warn_ratelimited("blkfront: %s: %s op failed\n",
-				       info->gd->disk_name, op_name(bret->operation));
+				       info->gd->disk_name, op_name(bret.operation));
 				blkif_req(req)->error = BLK_STS_NOTSUPP;
 			}
-			if (unlikely(bret->status == BLKIF_RSP_ERROR &&
+			if (unlikely(bret.status == BLKIF_RSP_ERROR &&
 				     rinfo->shadow[id].req.u.rw.nr_segments == 0)) {
-				printk(KERN_WARNING "blkfront: %s: empty %s op failed\n",
+				pr_warn_ratelimited("blkfront: %s: empty %s op failed\n",
-				       info->gd->disk_name, op_name(bret->operation));
+				       info->gd->disk_name, op_name(bret.operation));
 				blkif_req(req)->error = BLK_STS_NOTSUPP;
 			}
 			if (unlikely(blkif_req(req)->error)) {
@@ -1639,9 +1677,10 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 			/* fall through */
 		case BLKIF_OP_READ:
 		case BLKIF_OP_WRITE:
-			if (unlikely(bret->status != BLKIF_RSP_OKAY))
+			if (unlikely(bret.status != BLKIF_RSP_OKAY))
-				dev_dbg(&info->xbdev->dev, "Bad return from blkdev data "
+				dev_dbg_ratelimited(&info->xbdev->dev,
-					"request: %x\n", bret->status);
+					"Bad return from blkdev data request: %#x\n",
+					bret.status);
 
 			break;
 		default:
@@ -1665,6 +1704,18 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 
 	spin_unlock_irqrestore(&rinfo->ring_lock, flags);
 
+	xen_irq_lateeoi(irq, eoiflag);
+
+	return IRQ_HANDLED;
+
+ err:
+	info->connected = BLKIF_STATE_ERROR;
+
+	spin_unlock_irqrestore(&rinfo->ring_lock, flags);
+
+	/* No EOI in order to avoid further interrupts. */
+
+	pr_alert("%s disabled for further use\n", info->gd->disk_name);
 	return IRQ_HANDLED;
 }
 
@@ -1703,8 +1754,8 @@ static int setup_blkring(struct xenbus_device *dev,
 	if (err)
 		goto fail;
 
-	err = bind_evtchn_to_irqhandler(rinfo->evtchn, blkif_interrupt, 0,
+	err = bind_evtchn_to_irqhandler_lateeoi(rinfo->evtchn, blkif_interrupt,
-					"blkif", rinfo);
+						0, "blkif", rinfo);
 	if (err <= 0) {
 		xenbus_dev_fatal(dev, err,
 				 "bind_evtchn_to_irqhandler failed");

drivers/bluetooth/btusb.c

@@ -2548,11 +2548,9 @@ static const struct qca_device_info qca_devices_table[] = {
 	{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
 };
 
-static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
+static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
 				     void *data, u16 size)
 {
-	struct btusb_data *btdata = hci_get_drvdata(hdev);
-	struct usb_device *udev = btdata->udev;
 	int pipe, err;
 	u8 *buf;
 
@@ -2567,7 +2565,7 @@ static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
 	err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
 			      0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
 	if (err < 0) {
-		BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
+		dev_err(&udev->dev, "Failed to access otp area (%d)", err);
 		goto done;
 	}
 
@@ -2723,20 +2721,38 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
 	return err;
 }
 
+/* identify the ROM version and check whether patches are needed */
+static bool btusb_qca_need_patch(struct usb_device *udev)
+{
+	struct qca_version ver;
+
+	if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
+				      sizeof(ver)) < 0)
+		return false;
+	/* only low ROM versions need patches */
+	return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
+}
+
 static int btusb_setup_qca(struct hci_dev *hdev)
 {
+	struct btusb_data *btdata = hci_get_drvdata(hdev);
+	struct usb_device *udev = btdata->udev;
 	const struct qca_device_info *info = NULL;
 	struct qca_version ver;
 	u32 ver_rom;
 	u8 status;
 	int i, err;
 
-	err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
+	err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
 					sizeof(ver));
 	if (err < 0)
 		return err;
 
 	ver_rom = le32_to_cpu(ver.rom_version);
+	/* Don't care about high ROM versions */
+	if (ver_rom & ~0xffffU)
+		return 0;
+
 	for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
 		if (ver_rom == qca_devices_table[i].rom_version)
 			info = &qca_devices_table[i];
@@ -2747,7 +2763,7 @@ static int btusb_setup_qca(struct hci_dev *hdev)
 		return -ENODEV;
 	}
 
-	err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
+	err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
 					sizeof(status));
 	if (err < 0)
 		return err;
@@ -2974,7 +2990,8 @@ static int btusb_probe(struct usb_interface *intf,
 		/* Old firmware would otherwise let ath3k driver load
 		 * patch and sysconfig files
 		 */
-		if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
+		if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
+		    !btusb_qca_need_patch(udev))
 			return -ENODEV;
 	}
 
@@ -3136,6 +3153,7 @@ static int btusb_probe(struct usb_interface *intf,
 	}
 
 	if (id->driver_info & BTUSB_ATH3012) {
+		data->setup_on_usb = btusb_setup_qca;
 		hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
 		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
 		set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);

drivers/char/agp/parisc-agp.c

@@ -285,7 +285,7 @@ agp_ioc_init(void __iomem *ioc_regs)
         return 0;
 }
 
-static int
+static int __init
 lba_find_capability(int cap)
 {
 	struct _parisc_agp_info *info = &parisc_agp_info;
@@ -370,7 +370,7 @@ fail:
 	return error;
 }
 
-static int
+static int __init
 find_quicksilver(struct device *dev, void *data)
 {
 	struct parisc_device **lba = data;
@@ -382,7 +382,7 @@ find_quicksilver(struct device *dev, void *data)
 	return 0;
 }
 
-static int
+static int __init
 parisc_agp_init(void)
 {
 	extern struct sba_device *sba_list;

drivers/dma/st_fdma.c

@@ -886,4 +886,4 @@ MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("STMicroelectronics FDMA engine driver");
 MODULE_AUTHOR("Ludovic.barre <Ludovic.barre@st.com>");
 MODULE_AUTHOR("Peter Griffin <peter.griffin@linaro.org>");
-MODULE_ALIAS("platform: " DRIVER_NAME);
+MODULE_ALIAS("platform:" DRIVER_NAME);

drivers/firmware/scpi_pm_domain.c

@@ -27,7 +27,6 @@ struct scpi_pm_domain {
 	struct generic_pm_domain genpd;
 	struct scpi_ops *ops;
 	u32 domain;
-	char name[30];
 };
 
 /*
@@ -121,8 +120,13 @@ static int scpi_pm_domain_probe(struct platform_device *pdev)
 
 		scpi_pd->domain = i;
 		scpi_pd->ops = scpi_ops;
-		sprintf(scpi_pd->name, "%s.%d", np->name, i);
+		scpi_pd->genpd.name = devm_kasprintf(dev, GFP_KERNEL,
-		scpi_pd->genpd.name = scpi_pd->name;
+						     "%s.%d", np->name, i);
+		if (!scpi_pd->genpd.name) {
+			dev_err(dev, "Failed to allocate genpd name:%s.%d\n",
+				np->name, i);
+			continue;
+		}
 		scpi_pd->genpd.power_off = scpi_pd_power_off;
 		scpi_pd->genpd.power_on = scpi_pd_power_on;
 

drivers/gpu/drm/msm/dsi/dsi_host.c

@@ -1563,6 +1563,8 @@ static int dsi_host_parse_lane_data(struct msm_dsi_host *msm_host,
 	if (!prop) {
 		dev_dbg(dev,
 			"failed to find data lane mapping, using default\n");
+		/* Set the number of date lanes to 4 by default. */
+		msm_host->num_data_lanes = 4;
 		return 0;
 	}
 

drivers/gpu/drm/vc4/vc4_bo.c

@@ -292,7 +292,7 @@ struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size)
 
 	bo = kzalloc(sizeof(*bo), GFP_KERNEL);
 	if (!bo)
-		return ERR_PTR(-ENOMEM);
+		return NULL;
 
 	mutex_lock(&vc4->bo_lock);
 	bo->label = VC4_BO_TYPE_KERNEL;

drivers/hid/Kconfig

@@ -148,6 +148,7 @@ config HID_APPLEIR
 
 config HID_ASUS
 	tristate "Asus"
+	depends on USB_HID
 	depends on LEDS_CLASS
 	---help---
 	Support for Asus notebook built-in keyboard and touchpad via i2c, and
@@ -191,14 +192,14 @@ config HID_CHERRY
 
 config HID_CHICONY
 	tristate "Chicony devices"
-	depends on HID
+	depends on USB_HID
 	default !EXPERT
 	---help---
 	Support for Chicony Tactical pad and special keys on Chicony keyboards.
 
 config HID_CORSAIR
 	tristate "Corsair devices"
-	depends on HID && USB && LEDS_CLASS
+	depends on USB_HID && LEDS_CLASS
 	---help---
 	Support for Corsair devices that are not fully compliant with the
 	HID standard.
@@ -209,7 +210,7 @@ config HID_CORSAIR
 
 config HID_PRODIKEYS
 	tristate "Prodikeys PC-MIDI Keyboard support"
-	depends on HID && SND
+	depends on USB_HID && SND
 	select SND_RAWMIDI
 	---help---
 	Support for Prodikeys PC-MIDI Keyboard device support.
@@ -448,7 +449,7 @@ config HID_LENOVO
 
 config HID_LOGITECH
 	tristate "Logitech devices"
-	depends on HID
+	depends on USB_HID
 	default !EXPERT
 	---help---
 	Support for Logitech devices that are not fully compliant with HID standard.
@@ -780,7 +781,7 @@ config HID_SAITEK
 
 config HID_SAMSUNG
 	tristate "Samsung InfraRed remote control or keyboards"
-	depends on HID
+	depends on USB_HID
 	---help---
 	Support for Samsung InfraRed remote control or keyboards.
 

drivers/hid/hid-asus.c

@@ -600,7 +600,7 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
 		drvdata->tp = &asus_i2c_tp;
 
-	if (drvdata->quirks & QUIRK_T100_KEYBOARD) {
+	if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
 		struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 
 		if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {

drivers/hid/hid-chicony.c

@@ -61,8 +61,12 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 static __u8 *ch_switch12_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_interface *intf;
-	
+
+	if (!hid_is_usb(hdev))
+		return rdesc;
+
+	intf = to_usb_interface(hdev->dev.parent);
 	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
 		/* Change usage maximum and logical maximum from 0x7fff to
 		 * 0x2fff, so they don't exceed HID_MAX_USAGES */

drivers/hid/hid-corsair.c

@@ -553,7 +553,12 @@ static int corsair_probe(struct hid_device *dev, const struct hid_device_id *id)
 	int ret;
 	unsigned long quirks = id->driver_data;
 	struct corsair_drvdata *drvdata;
-	struct usb_interface *usbif = to_usb_interface(dev->dev.parent);
+	struct usb_interface *usbif;
+
+	if (!hid_is_usb(dev))
+		return -EINVAL;
+
+	usbif = to_usb_interface(dev->dev.parent);
 
 	drvdata = devm_kzalloc(&dev->dev, sizeof(struct corsair_drvdata),
 			       GFP_KERNEL);

drivers/hid/hid-elo.c

@@ -230,6 +230,9 @@ static int elo_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	struct elo_priv *priv;
 	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;

drivers/hid/hid-holtek-kbd.c

@@ -143,12 +143,17 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type,
 static int holtek_kbd_probe(struct hid_device *hdev,
 		const struct hid_device_id *id)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_interface *intf;
-	int ret = hid_parse(hdev);
+	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	ret = hid_parse(hdev);
 	if (!ret)
 		ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 
+	intf = to_usb_interface(hdev->dev.parent);
 	if (!ret && intf->cur_altsetting->desc.bInterfaceNumber == 1) {
 		struct hid_input *hidinput;
 		list_for_each_entry(hidinput, &hdev->inputs, list) {

drivers/hid/hid-holtek-mouse.c

@@ -65,6 +65,29 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 	return rdesc;
 }
 
+static int holtek_mouse_probe(struct hid_device *hdev,
+			      const struct hid_device_id *id)
+{
+	int ret;
+
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "hid parse failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret) {
+		hid_err(hdev, "hw start failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 static const struct hid_device_id holtek_mouse_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
 			USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
@@ -86,6 +109,7 @@ static struct hid_driver holtek_mouse_driver = {
 	.name = "holtek_mouse",
 	.id_table = holtek_mouse_devices,
 	.report_fixup = holtek_mouse_report_fixup,
+	.probe = holtek_mouse_probe,
 };
 
 module_hid_driver(holtek_mouse_driver);

drivers/hid/hid-lg.c

@@ -714,12 +714,18 @@ static int lg_raw_event(struct hid_device *hdev, struct hid_report *report,
 
 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
-	struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
+	struct usb_interface *iface;
-	__u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+	__u8 iface_num;
 	unsigned int connect_mask = HID_CONNECT_DEFAULT;
 	struct lg_drv_data *drv_data;
 	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	iface = to_usb_interface(hdev->dev.parent);
+	iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+
 	/* G29 only work with the 1st interface */
 	if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
 	    (iface_num != 0)) {

drivers/hid/hid-prodikeys.c

@@ -803,12 +803,18 @@ static int pk_raw_event(struct hid_device *hdev, struct hid_report *report,
 static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int ret;
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_interface *intf;
-	unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+	unsigned short ifnum;
 	unsigned long quirks = id->driver_data;
 	struct pk_device *pk;
 	struct pcmidi_snd *pm = NULL;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	intf = to_usb_interface(hdev->dev.parent);
+	ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+
 	pk = kzalloc(sizeof(*pk), GFP_KERNEL);
 	if (pk == NULL) {
 		hid_err(hdev, "can't alloc descriptor\n");

drivers/hid/hid-roccat-arvo.c

@@ -347,6 +347,9 @@ static int arvo_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-isku.c

@@ -327,6 +327,9 @@ static int isku_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-kone.c

@@ -752,6 +752,9 @@ static int kone_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-koneplus.c

@@ -434,6 +434,9 @@ static int koneplus_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-konepure.c

@@ -136,6 +136,9 @@ static int konepure_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-kovaplus.c

@@ -504,6 +504,9 @@ static int kovaplus_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-lua.c

@@ -163,6 +163,9 @@ static int lua_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-pyra.c

@@ -452,6 +452,9 @@ static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-ryos.c

@@ -144,6 +144,9 @@ static int ryos_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-savu.c

@@ -116,6 +116,9 @@ static int savu_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-samsung.c

@@ -157,6 +157,9 @@ static int samsung_probe(struct hid_device *hdev,
 	int ret;
 	unsigned int cmask = HID_CONNECT_DEFAULT;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	ret = hid_parse(hdev);
 	if (ret) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-uclogic.c

@@ -791,6 +791,9 @@ static int uclogic_tablet_enable(struct hid_device *hdev)
 	__u8 *p;
 	s32 v;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	/*
 	 * Read string descriptor containing tablet parameters. The specific
 	 * string descriptor and data were discovered by sniffing the Windows

drivers/hid/wacom_sys.c

@@ -578,7 +578,7 @@ static void wacom_retrieve_hid_descriptor(struct hid_device *hdev,
 	 * Skip the query for this type and modify defaults based on
 	 * interface number.
 	 */
-	if (features->type == WIRELESS) {
+	if (features->type == WIRELESS && intf) {
 		if (intf->cur_altsetting->desc.bInterfaceNumber == 0)
 			features->device_type = WACOM_DEVICETYPE_WL_MONITOR;
 		else
@@ -2049,7 +2049,7 @@ static void wacom_update_name(struct wacom *wacom, const char *suffix)
 	if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) {
 		char *product_name = wacom->hdev->name;
 
-		if (hid_is_using_ll_driver(wacom->hdev, &usb_hid_driver)) {
+		if (hid_is_usb(wacom->hdev)) {
 			struct usb_interface *intf = to_usb_interface(wacom->hdev->dev.parent);
 			struct usb_device *dev = interface_to_usbdev(intf);
 			product_name = dev->product;
@@ -2280,6 +2280,9 @@ static void wacom_wireless_work(struct work_struct *work)
 
 	wacom_destroy_battery(wacom);
 
+	if (!usbdev)
+		return;
+
 	/* Stylus interface */
 	hdev1 = usb_get_intfdata(usbdev->config->interface[1]);
 	wacom1 = hid_get_drvdata(hdev1);
@@ -2559,8 +2562,6 @@ static void wacom_mode_change_work(struct work_struct *work)
 static int wacom_probe(struct hid_device *hdev,
 		const struct hid_device_id *id)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	struct usb_device *dev = interface_to_usbdev(intf);
 	struct wacom *wacom;
 	struct wacom_wac *wacom_wac;
 	struct wacom_features *features;
@@ -2593,8 +2594,14 @@ static int wacom_probe(struct hid_device *hdev,
 	wacom_wac->hid_data.inputmode = -1;
 	wacom_wac->mode_report = -1;
 
-	wacom->usbdev = dev;
+	if (hid_is_usb(hdev)) {
-	wacom->intf = intf;
+		struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+		struct usb_device *dev = interface_to_usbdev(intf);
+
+		wacom->usbdev = dev;
+		wacom->intf = intf;
+	}
+
 	mutex_init(&wacom->lock);
 	INIT_DELAYED_WORK(&wacom->init_work, wacom_init_work);
 	INIT_WORK(&wacom->wireless_work, wacom_wireless_work);

drivers/hid/wacom_wac.c

@@ -2433,6 +2433,9 @@ static void wacom_wac_finger_event(struct hid_device *hdev,
 	struct wacom_features *features = &wacom->wacom_wac.features;
 
 	switch (equivalent_usage) {
+	case HID_DG_CONFIDENCE:
+		wacom_wac->hid_data.confidence = value;
+		break;
 	case HID_GD_X:
 		wacom_wac->hid_data.x = value;
 		break;
@@ -2463,7 +2466,8 @@ static void wacom_wac_finger_event(struct hid_device *hdev,
 
 
 	if (usage->usage_index + 1 == field->report_count) {
-		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
+		if (equivalent_usage == wacom_wac->hid_data.last_slot_field &&
+		    wacom_wac->hid_data.confidence)
 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
 	}
 }
@@ -2476,6 +2480,8 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
 	struct hid_data* hid_data = &wacom_wac->hid_data;
 	int i;
 
+	hid_data->confidence = true;
+
 	for (i = 0; i < report->maxfield; i++) {
 		struct hid_field *field = report->field[i];
 		int j;

drivers/hid/wacom_wac.h

@@ -293,6 +293,7 @@ struct hid_data {
 	bool inrange_state;
 	bool invert_state;
 	bool tipswitch;
+	bool confidence;
 	int x;
 	int y;
 	int pressure;

drivers/hwmon/dell-smm-hwmon.c

@@ -578,15 +578,18 @@ static const struct file_operations i8k_fops = {
 	.unlocked_ioctl	= i8k_ioctl,
 };
 
+static struct proc_dir_entry *entry;
+
 static void __init i8k_init_procfs(void)
 {
 	/* Register the proc entry */
-	proc_create("i8k", 0, NULL, &i8k_fops);
+	entry = proc_create("i8k", 0, NULL, &i8k_fops);
 }
 
 static void __exit i8k_exit_procfs(void)
 {
-	remove_proc_entry("i8k", NULL);
+	if (entry)
+		remove_proc_entry("i8k", NULL);
 }
 
 #else

drivers/hwmon/lm90.c

@@ -197,6 +197,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
 #define LM90_STATUS_RHIGH	(1 << 4) /* remote high temp limit tripped */
 #define LM90_STATUS_LLOW	(1 << 5) /* local low temp limit tripped */
 #define LM90_STATUS_LHIGH	(1 << 6) /* local high temp limit tripped */
+#define LM90_STATUS_BUSY	(1 << 7) /* conversion is ongoing */
 
 #define MAX6696_STATUS2_R2THRM	(1 << 1) /* remote2 THERM limit tripped */
 #define MAX6696_STATUS2_R2OPEN	(1 << 2) /* remote2 is an open circuit */
@@ -786,7 +787,7 @@ static int lm90_update_device(struct device *dev)
 		val = lm90_read_reg(client, LM90_REG_R_STATUS);
 		if (val < 0)
 			return val;
-		data->alarms = val;	/* lower 8 bit of alarms */
+		data->alarms = val & ~LM90_STATUS_BUSY;
 
 		if (data->kind == max6696) {
 			val = lm90_select_remote_channel(client, data, 1);
@@ -1439,12 +1440,11 @@ static int lm90_detect(struct i2c_client *client,
 	if (man_id < 0 || chip_id < 0 || config1 < 0 || convrate < 0)
 		return -ENODEV;
 
-	if (man_id == 0x01 || man_id == 0x5C || man_id == 0x41) {
+	if (man_id == 0x01 || man_id == 0x5C || man_id == 0xA1) {
 		config2 = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG2);
 		if (config2 < 0)
 			return -ENODEV;
-	} else
+	}
-		config2 = 0;		/* Make compiler happy */
 
 	if ((address == 0x4C || address == 0x4D)
 	 && man_id == 0x01) { /* National Semiconductor */

drivers/i2c/busses/i2c-rk3x.c

@@ -424,8 +424,8 @@ static void rk3x_i2c_handle_read(struct rk3x_i2c *i2c, unsigned int ipd)
 	if (!(ipd & REG_INT_MBRF))
 		return;
 
-	/* ack interrupt */
+	/* ack interrupt (read also produces a spurious START flag, clear it too) */
-	i2c_writel(i2c, REG_INT_MBRF, REG_IPD);
+	i2c_writel(i2c, REG_INT_MBRF | REG_INT_START, REG_IPD);
 
 	/* Can only handle a maximum of 32 bytes at a time */
 	if (len > 32)

drivers/iio/accel/kxcjk-1013.c

@@ -1326,8 +1326,7 @@ static int kxcjk1013_probe(struct i2c_client *client,
 	return 0;
 
 err_buffer_cleanup:
-	if (data->dready_trig)
+	iio_triggered_buffer_cleanup(indio_dev);
-		iio_triggered_buffer_cleanup(indio_dev);
 err_trigger_unregister:
 	if (data->dready_trig)
 		iio_trigger_unregister(data->dready_trig);
@@ -1350,8 +1349,8 @@ static int kxcjk1013_remove(struct i2c_client *client)
 	pm_runtime_set_suspended(&client->dev);
 	pm_runtime_put_noidle(&client->dev);
 
+	iio_triggered_buffer_cleanup(indio_dev);
 	if (data->dready_trig) {
-		iio_triggered_buffer_cleanup(indio_dev);
 		iio_trigger_unregister(data->dready_trig);
 		iio_trigger_unregister(data->motion_trig);
 	}

drivers/iio/accel/kxsd9.c

@@ -227,14 +227,14 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p)
 			       hw_values.chan,
 			       sizeof(hw_values.chan));
 	if (ret) {
-		dev_err(st->dev,
+		dev_err(st->dev, "error reading data: %d\n", ret);
-			"error reading data\n");
+		goto out;
-		return ret;
 	}
 
 	iio_push_to_buffers_with_timestamp(indio_dev,
 					   &hw_values,
 					   iio_get_time_ns(indio_dev));
+out:
 	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;

drivers/iio/accel/mma8452.c

@@ -1396,7 +1396,7 @@ static int mma8452_trigger_setup(struct iio_dev *indio_dev)
 	if (ret)
 		return ret;
 
-	indio_dev->trig = trig;
+	indio_dev->trig = iio_trigger_get(trig);
 
 	return 0;
 }

drivers/iio/adc/axp20x_adc.c

@@ -224,19 +224,8 @@ static int axp22x_adc_raw(struct iio_dev *indio_dev,
 			  struct iio_chan_spec const *chan, int *val)
 {
 	struct axp20x_adc_iio *info = iio_priv(indio_dev);
-	int size;
 
-	/*
+	*val = axp20x_read_variable_width(info->regmap, chan->address, 12);
-	 * N.B.: Unlike the Chinese datasheets tell, the charging current is
-	 * stored on 12 bits, not 13 bits. Only discharging current is on 13
-	 * bits.
-	 */
-	if (chan->type == IIO_CURRENT && chan->channel == AXP22X_BATT_DISCHRG_I)
-		size = 13;
-	else
-		size = 12;
-
-	*val = axp20x_read_variable_width(info->regmap, chan->address, size);
 	if (*val < 0)
 		return *val;
 
@@ -329,9 +318,8 @@ static int axp22x_adc_scale(struct iio_chan_spec const *chan, int *val,
 		return IIO_VAL_INT_PLUS_MICRO;
 
 	case IIO_CURRENT:
-		*val = 0;
+		*val = 1;
-		*val2 = 500000;
+		return IIO_VAL_INT;
-		return IIO_VAL_INT_PLUS_MICRO;
 
 	case IIO_TEMP:
 		*val = 100;

drivers/iio/adc/dln2-adc.c

@@ -251,7 +251,6 @@ static int dln2_adc_set_chan_period(struct dln2_adc *dln2,
 static int dln2_adc_read(struct dln2_adc *dln2, unsigned int channel)
 {
 	int ret, i;
-	struct iio_dev *indio_dev = platform_get_drvdata(dln2->pdev);
 	u16 conflict;
 	__le16 value;
 	int olen = sizeof(value);
@@ -260,13 +259,9 @@ static int dln2_adc_read(struct dln2_adc *dln2, unsigned int channel)
 		.chan = channel,
 	};
 
-	ret = iio_device_claim_direct_mode(indio_dev);
-	if (ret < 0)
-		return ret;
-
 	ret = dln2_adc_set_chan_enabled(dln2, channel, true);
 	if (ret < 0)
-		goto release_direct;
+		return ret;
 
 	ret = dln2_adc_set_port_enabled(dln2, true, &conflict);
 	if (ret < 0) {
@@ -303,8 +298,6 @@ disable_port:
 	dln2_adc_set_port_enabled(dln2, false, NULL);
 disable_chan:
 	dln2_adc_set_chan_enabled(dln2, channel, false);
-release_direct:
-	iio_device_release_direct_mode(indio_dev);
 
 	return ret;
 }
@@ -340,10 +333,16 @@ static int dln2_adc_read_raw(struct iio_dev *indio_dev,
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
+		ret = iio_device_claim_direct_mode(indio_dev);
+		if (ret < 0)
+			return ret;
+
 		mutex_lock(&dln2->mutex);
 		ret = dln2_adc_read(dln2, chan->channel);
 		mutex_unlock(&dln2->mutex);
 
+		iio_device_release_direct_mode(indio_dev);
+
 		if (ret < 0)
 			return ret;
 
@@ -675,7 +674,11 @@ static int dln2_adc_probe(struct platform_device *pdev)
 	}
 	dln2->trig->ops = &dln2_adc_trigger_ops;
 	iio_trigger_set_drvdata(dln2->trig, dln2);
-	devm_iio_trigger_register(dev, dln2->trig);
+	ret = devm_iio_trigger_register(dev, dln2->trig);
+	if (ret) {
+		dev_err(dev, "failed to register trigger: %d\n", ret);
+		return ret;
+	}
 	iio_trigger_set_immutable(indio_dev, dln2->trig);
 
 	ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,

drivers/iio/gyro/itg3200_buffer.c

@@ -64,9 +64,9 @@ static irqreturn_t itg3200_trigger_handler(int irq, void *p)
 
 	iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp);
 
+error_ret:
 	iio_trigger_notify_done(indio_dev->trig);
 
-error_ret:
 	return IRQ_HANDLED;
 }
 

drivers/iio/industrialio-trigger.c

@@ -549,7 +549,6 @@ static struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs)
 		irq_modify_status(trig->subirq_base + i,
 				  IRQ_NOREQUEST | IRQ_NOAUTOEN, IRQ_NOPROBE);
 	}
-	get_device(&trig->dev);
 
 	return trig;
 

drivers/iio/light/ltr501.c

@@ -1279,7 +1279,7 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p)
 		ret = regmap_bulk_read(data->regmap, LTR501_ALS_DATA1,
 				       (u8 *)als_buf, sizeof(als_buf));
 		if (ret < 0)
-			return ret;
+			goto done;
 		if (test_bit(0, indio_dev->active_scan_mask))
 			scan.channels[j++] = le16_to_cpu(als_buf[1]);
 		if (test_bit(1, indio_dev->active_scan_mask))

drivers/iio/light/stk3310.c

@@ -546,9 +546,8 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private)
 	mutex_lock(&data->lock);
 	ret = regmap_field_read(data->reg_flag_nf, &dir);
 	if (ret < 0) {
-		dev_err(&data->client->dev, "register read failed\n");
+		dev_err(&data->client->dev, "register read failed: %d\n", ret);
-		mutex_unlock(&data->lock);
+		goto out;
-		return ret;
 	}
 	event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1,
 				     IIO_EV_TYPE_THRESH,
@@ -560,6 +559,7 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private)
 	ret = regmap_field_write(data->reg_flag_psint, 0);
 	if (ret < 0)
 		dev_err(&data->client->dev, "failed to reset interrupts\n");
+out:
 	mutex_unlock(&data->lock);
 
 	return IRQ_HANDLED;

drivers/iio/trigger/stm32-timer-trigger.c

@@ -886,6 +886,6 @@ static struct platform_driver stm32_timer_trigger_driver = {
 };
 module_platform_driver(stm32_timer_trigger_driver);
 
-MODULE_ALIAS("platform: stm32-timer-trigger");
+MODULE_ALIAS("platform:stm32-timer-trigger");
 MODULE_DESCRIPTION("STMicroelectronics STM32 Timer Trigger driver");
 MODULE_LICENSE("GPL v2");

drivers/infiniband/core/uverbs_marshall.c

@@ -66,7 +66,7 @@ void ib_copy_ah_attr_to_user(struct ib_device *device,
 	struct rdma_ah_attr *src = ah_attr;
 	struct rdma_ah_attr conv_ah;
 
-	memset(&dst->grh.reserved, 0, sizeof(dst->grh.reserved));
+	memset(&dst->grh, 0, sizeof(dst->grh));
 
 	if ((ah_attr->type == RDMA_AH_ATTR_TYPE_OPA) &&
 	    (rdma_ah_get_dlid(ah_attr) >=

drivers/infiniband/hw/hfi1/init.c

@@ -1138,7 +1138,7 @@ void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
 	rcd->egrbufs.rcvtids = NULL;
 
 	for (e = 0; e < rcd->egrbufs.alloced; e++) {
-		if (rcd->egrbufs.buffers[e].dma)
+		if (rcd->egrbufs.buffers[e].addr)
 			dma_free_coherent(&dd->pcidev->dev,
 					  rcd->egrbufs.buffers[e].len,
 					  rcd->egrbufs.buffers[e].addr,

drivers/infiniband/hw/qib/qib_user_sdma.c

@@ -946,7 +946,7 @@ static int qib_user_sdma_queue_pkts(const struct qib_devdata *dd,
 					       &addrlimit) ||
 			    addrlimit > type_max(typeof(pkt->addrlimit))) {
 				ret = -EINVAL;
-				goto free_pbc;
+				goto free_pkt;
 			}
 			pkt->addrlimit = addrlimit;
 

drivers/input/joystick/spaceball.c

@@ -35,6 +35,7 @@
 #include <linux/module.h>
 #include <linux/input.h>
 #include <linux/serio.h>
+#include <asm/unaligned.h>
 
 #define DRIVER_DESC	"SpaceTec SpaceBall 2003/3003/4000 FLX driver"
 
@@ -91,9 +92,15 @@ static void spaceball_process_packet(struct spaceball* spaceball)
 
 		case 'D':					/* Ball data */
 			if (spaceball->idx != 15) return;
-			for (i = 0; i < 6; i++)
+			/*
+			 * Skip first three bytes; read six axes worth of data.
+			 * Axis values are signed 16-bit big-endian.
+			 */
+			data += 3;
+			for (i = 0; i < ARRAY_SIZE(spaceball_axes); i++) {
 				input_report_abs(dev, spaceball_axes[i],
-					(__s16)((data[2 * i + 3] << 8) | data[2 * i + 2]));
+					(__s16)get_unaligned_be16(&data[i * 2]));
+			}
 			break;
 
 		case 'K':					/* Button data */

drivers/input/mouse/appletouch.c

@@ -929,6 +929,8 @@ static int atp_probe(struct usb_interface *iface,
 	set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
 	set_bit(BTN_LEFT, input_dev->keybit);
 
+	INIT_WORK(&dev->work, atp_reinit);
+
 	error = input_register_device(dev->input);
 	if (error)
 		goto err_free_buffer;
@@ -936,8 +938,6 @@ static int atp_probe(struct usb_interface *iface,
 	/* save our data pointer in this interface device */
 	usb_set_intfdata(iface, dev);
 
-	INIT_WORK(&dev->work, atp_reinit);
-
 	return 0;
 
  err_free_buffer: