Merge branches 'devel-stable', 'fixes' and 'mmci' into for-linus

Documentation/kernel-parameters.txt

@@ -2438,7 +2438,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			real-time workloads.  It can also improve energy
 			efficiency for asymmetric multiprocessors.
 
-	rcu_nocbs_poll	[KNL,BOOT]
+	rcu_nocb_poll	[KNL,BOOT]
 			Rather than requiring that offloaded CPUs
 			(specified by rcu_nocbs= above) explicitly
 			awaken the corresponding "rcuoN" kthreads,

Documentation/x86/boot.txt

@@ -57,7 +57,7 @@ Protocol 2.10:	(Kernel 2.6.31) Added a protocol for relaxed alignment
 Protocol 2.11:	(Kernel 3.6) Added a field for offset of EFI handover
 		protocol entry point.
 
-Protocol 2.12:	(Kernel 3.9) Added the xloadflags field and extension fields
+Protocol 2.12:	(Kernel 3.8) Added the xloadflags field and extension fields
 	 	to struct boot_params for for loading bzImage and ramdisk
 		above 4G in 64bit.
 

MAINTAINERS

@@ -1489,7 +1489,7 @@ AVR32 ARCHITECTURE
 M:	Haavard Skinnemoen <hskinnemoen@gmail.com>
 M:	Hans-Christian Egtvedt <egtvedt@samfundet.no>
 W:	http://www.atmel.com/products/AVR32/
-W:	http://avr32linux.org/
+W:	http://mirror.egtvedt.no/avr32linux.org/
 W:	http://avrfreaks.net/
 S:	Maintained
 F:	arch/avr32/

Makefile

@@ -1,8 +1,8 @@
 VERSION = 3
 PATCHLEVEL = 8
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc7
-NAME = Terrified Chipmunk
+NAME = Unicycling Gorilla
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"

arch/arm/boot/Makefile

@@ -68,8 +68,8 @@ else
 endif
 
 check_for_multiple_loadaddr = \
-if [ $(words $(UIMAGE_LOADADDR)) -gt 1 ]; then \
+if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
-	echo 'multiple load addresses: $(UIMAGE_LOADADDR)'; \
+	echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
 	echo 'This is incompatible with uImages'; \
 	echo 'Specify LOADADDR on the commandline to build an uImage'; \
 	false; \

arch/arm/common/gic.c

@@ -351,6 +351,25 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
 	irq_set_chained_handler(irq, gic_handle_cascade_irq);
 }
 
+static u8 gic_get_cpumask(struct gic_chip_data *gic)
+{
+	void __iomem *base = gic_data_dist_base(gic);
+	u32 mask, i;
+
+	for (i = mask = 0; i < 32; i += 4) {
+		mask = readl_relaxed(base + GIC_DIST_TARGET + i);
+		mask |= mask >> 16;
+		mask |= mask >> 8;
+		if (mask)
+			break;
+	}
+
+	if (!mask)
+		pr_crit("GIC CPU mask not found - kernel will fail to boot.\n");
+
+	return mask;
+}
+
 static void __init gic_dist_init(struct gic_chip_data *gic)
 {
 	unsigned int i;
@@ -369,7 +388,9 @@ static void __init gic_dist_init(struct gic_chip_data *gic)
 	/*
 	 * Set all global interrupts to this CPU only.
 	 */
-	cpumask = readl_relaxed(base + GIC_DIST_TARGET + 0);
+	cpumask = gic_get_cpumask(gic);
+	cpumask |= cpumask << 8;
+	cpumask |= cpumask << 16;
 	for (i = 32; i < gic_irqs; i += 4)
 		writel_relaxed(cpumask, base + GIC_DIST_TARGET + i * 4 / 4);
 
@@ -400,7 +421,7 @@ static void __cpuinit gic_cpu_init(struct gic_chip_data *gic)
 	 * Get what the GIC says our CPU mask is.
 	 */
 	BUG_ON(cpu >= NR_GIC_CPU_IF);
-	cpu_mask = readl_relaxed(dist_base + GIC_DIST_TARGET + 0);
+	cpu_mask = gic_get_cpumask(gic);
 	gic_cpu_map[cpu] = cpu_mask;
 
 	/*

arch/arm/include/asm/delay.h

@@ -24,6 +24,7 @@ extern struct arm_delay_ops {
 	void (*delay)(unsigned long);
 	void (*const_udelay)(unsigned long);
 	void (*udelay)(unsigned long);
+	bool const_clock;
 } arm_delay_ops;
 
 #define __delay(n)		arm_delay_ops.delay(n)

arch/arm/include/asm/memory.h

@@ -37,7 +37,7 @@
  */
 #define PAGE_OFFSET		UL(CONFIG_PAGE_OFFSET)
 #define TASK_SIZE		(UL(CONFIG_PAGE_OFFSET) - UL(0x01000000))
-#define TASK_UNMAPPED_BASE	(UL(CONFIG_PAGE_OFFSET) / 3)
+#define TASK_UNMAPPED_BASE	ALIGN(TASK_SIZE / 3, SZ_16M)
 
 /*
  * The maximum size of a 26-bit user space task.

arch/arm/include/asm/pgtable.h

@@ -247,7 +247,8 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-	const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | L_PTE_NONE;
+	const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER |
+		L_PTE_NONE | L_PTE_VALID;
 	pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask);
 	return pte;
 }

arch/arm/kernel/sched_clock.c

@@ -93,11 +93,11 @@ static void notrace update_sched_clock(void)
 	 * detectable in cyc_to_fixed_sched_clock().
 	 */
 	raw_local_irq_save(flags);
-	cd.epoch_cyc = cyc;
+	cd.epoch_cyc_copy = cyc;
 	smp_wmb();
 	cd.epoch_ns = ns;
 	smp_wmb();
-	cd.epoch_cyc_copy = cyc;
+	cd.epoch_cyc = cyc;
 	raw_local_irq_restore(flags);
 }
 

arch/arm/kernel/smp.c

@@ -686,6 +686,9 @@ static int cpufreq_callback(struct notifier_block *nb,
 	if (freq->flags & CPUFREQ_CONST_LOOPS)
 		return NOTIFY_OK;
 
+	if (arm_delay_ops.const_clock)
+		return NOTIFY_OK;
+
 	if (!per_cpu(l_p_j_ref, cpu)) {
 		per_cpu(l_p_j_ref, cpu) =
 			per_cpu(cpu_data, cpu).loops_per_jiffy;

arch/arm/lib/delay.c

@@ -77,6 +77,7 @@ void __init register_current_timer_delay(const struct delay_timer *timer)
 		arm_delay_ops.delay		= __timer_delay;
 		arm_delay_ops.const_udelay	= __timer_const_udelay;
 		arm_delay_ops.udelay		= __timer_udelay;
+		arm_delay_ops.const_clock	= true;
 		delay_calibrated		= true;
 	} else {
 		pr_info("Ignoring duplicate/late registration of read_current_timer delay\n");

arch/arm/mach-exynos/Kconfig

@@ -414,7 +414,7 @@ config MACH_EXYNOS4_DT
 	select CPU_EXYNOS4210
 	select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD
 	select PINCTRL
-	select PINCTRL_EXYNOS4
+	select PINCTRL_EXYNOS
 	select USE_OF
 	help
 	  Machine support for Samsung Exynos4 machine with device tree enabled.

arch/arm/mach-realview/include/mach/irqs-eb.h

@@ -115,7 +115,7 @@
 /*
  * Only define NR_IRQS if less than NR_IRQS_EB
  */
-#define NR_IRQS_EB		(IRQ_EB_GIC_START + 96)
+#define NR_IRQS_EB		(IRQ_EB_GIC_START + 128)
 
 #if defined(CONFIG_MACH_REALVIEW_EB) \
 	&& (!defined(NR_IRQS) || (NR_IRQS < NR_IRQS_EB))

arch/arm/mm/alignment.c

@@ -749,7 +749,6 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 	unsigned long instr = 0, instrptr;
 	int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs);
 	unsigned int type;
-	mm_segment_t fs;
 	unsigned int fault;
 	u16 tinstr = 0;
 	int isize = 4;
@@ -760,16 +759,15 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 
 	instrptr = instruction_pointer(regs);
 
-	fs = get_fs();
-	set_fs(KERNEL_DS);
 	if (thumb_mode(regs)) {
-		fault = __get_user(tinstr, (u16 *)(instrptr & ~1));
+		u16 *ptr = (u16 *)(instrptr & ~1);
+		fault = probe_kernel_address(ptr, tinstr);
 		if (!fault) {
 			if (cpu_architecture() >= CPU_ARCH_ARMv7 &&
 			    IS_T32(tinstr)) {
 				/* Thumb-2 32-bit */
 				u16 tinst2 = 0;
-				fault = __get_user(tinst2, (u16 *)(instrptr+2));
+				fault = probe_kernel_address(ptr + 1, tinst2);
 				instr = (tinstr << 16) | tinst2;
 				thumb2_32b = 1;
 			} else {
@@ -778,8 +776,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 			}
 		}
 	} else
-		fault = __get_user(instr, (u32 *)instrptr);
+		fault = probe_kernel_address(instrptr, instr);
-	set_fs(fs);
 
 	if (fault) {
 		type = TYPE_FAULT;

arch/arm/mm/dma-mapping.c

@@ -640,7 +640,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 
 	if (is_coherent || nommu())
 		addr = __alloc_simple_buffer(dev, size, gfp, &page);
-	else if (gfp & GFP_ATOMIC)
+	else if (!(gfp & __GFP_WAIT))
 		addr = __alloc_from_pool(size, &page);
 	else if (!IS_ENABLED(CONFIG_CMA))
 		addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller);

arch/arm/vfp/vfphw.S

@@ -22,12 +22,14 @@
 	.macro	DBGSTR, str
 #ifdef DEBUG
 	stmfd	sp!, {r0-r3, ip, lr}
-	add	r0, pc, #4
+	ldr	r0, =1f
 	bl	printk
-	b	1f
+	ldmfd	sp!, {r0-r3, ip, lr}
-	.asciz  KERN_DEBUG "VFP: \str\n"
+
-	.balign 4
+	.pushsection .rodata, "a"
-1:	ldmfd	sp!, {r0-r3, ip, lr}
+1:	.ascii	KERN_DEBUG "VFP: \str\n"
+	.byte	0
+	.previous
 #endif
 	.endm
 
@@ -35,12 +37,14 @@
 #ifdef DEBUG
 	stmfd	sp!, {r0-r3, ip, lr}
 	mov	r1, \arg
-	add	r0, pc, #4
+	ldr	r0, =1f
 	bl	printk
-	b	1f
+	ldmfd	sp!, {r0-r3, ip, lr}
-	.asciz  KERN_DEBUG "VFP: \str\n"
+
-	.balign 4
+	.pushsection .rodata, "a"
-1:	ldmfd	sp!, {r0-r3, ip, lr}
+1:	.ascii	KERN_DEBUG "VFP: \str\n"
+	.byte	0
+	.previous
 #endif
 	.endm
 
@@ -50,12 +54,14 @@
 	mov	r3, \arg3
 	mov	r2, \arg2
 	mov	r1, \arg1
-	add	r0, pc, #4
+	ldr	r0, =1f
 	bl	printk
-	b	1f
+	ldmfd	sp!, {r0-r3, ip, lr}
-	.asciz  KERN_DEBUG "VFP: \str\n"
+
-	.balign 4
+	.pushsection .rodata, "a"
-1:	ldmfd	sp!, {r0-r3, ip, lr}
+1:	.ascii	KERN_DEBUG "VFP: \str\n"
+	.byte	0
+	.previous
 #endif
 	.endm
 

arch/arm/vfp/vfpmodule.c

@@ -413,7 +413,7 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
 	 * If there isn't a second FP instruction, exit now. Note that
 	 * the FPEXC.FP2V bit is valid only if FPEXC.EX is 1.
 	 */
-	if (fpexc ^ (FPEXC_EX | FPEXC_FP2V))
+	if ((fpexc & (FPEXC_EX | FPEXC_FP2V)) != (FPEXC_EX | FPEXC_FP2V))
 		goto exit;
 
 	/*

arch/avr32/include/asm/dma-mapping.h

@@ -336,4 +336,14 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+			   void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 #endif /* __ASM_AVR32_DMA_MAPPING_H */

arch/blackfin/include/asm/dma-mapping.h

@@ -154,4 +154,14 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	_dma_sync((dma_addr_t)vaddr, size, dir);
 }
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+			   void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 #endif				/* _BLACKFIN_DMA_MAPPING_H */

arch/c6x/include/asm/dma-mapping.h

@@ -89,4 +89,19 @@ extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t);
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent((d), (s), (h), (f))
 #define dma_free_noncoherent(d, s, v, h)  dma_free_coherent((d), (s), (v), (h))
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+				    struct vm_area_struct *vma, void *cpu_addr,
+				    dma_addr_t dma_addr, size_t size)
+{
+	return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size)
+{
+	return -EINVAL;
+}
+
 #endif	/* _ASM_C6X_DMA_MAPPING_H */

arch/cris/include/asm/dma-mapping.h

@@ -158,5 +158,15 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 {
 }
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+			   void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 
 #endif

arch/frv/include/asm/dma-mapping.h

@@ -132,4 +132,19 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	flush_write_buffers();
 }
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+				    struct vm_area_struct *vma, void *cpu_addr,
+				    dma_addr_t dma_addr, size_t size)
+{
+	return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size)
+{
+	return -EINVAL;
+}
+
 #endif  /* _ASM_DMA_MAPPING_H */

arch/m68k/include/asm/dma-mapping.h

@@ -115,4 +115,14 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t handle)
 #include <asm-generic/dma-mapping-broken.h>
 #endif
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+			   void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 #endif  /* _M68K_DMA_MAPPING_H */

arch/mips/bcm47xx/Kconfig

@@ -8,8 +8,10 @@ config BCM47XX_SSB
 	select SSB_DRIVER_EXTIF
 	select SSB_EMBEDDED
 	select SSB_B43_PCI_BRIDGE if PCI
+	select SSB_DRIVER_PCICORE if PCI
 	select SSB_PCICORE_HOSTMODE if PCI
 	select SSB_DRIVER_GPIO
+	select GPIOLIB
 	default y
 	help
 	 Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
@@ -25,6 +27,7 @@ config BCM47XX_BCMA
 	select BCMA_HOST_PCI if PCI
 	select BCMA_DRIVER_PCI_HOSTMODE if PCI
 	select BCMA_DRIVER_GPIO
+	select GPIOLIB
 	default y
 	help
 	 Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.

arch/mips/cavium-octeon/executive/cvmx-l2c.c

@@ -30,6 +30,7 @@
  * measurement, and debugging facilities.
  */
 
+#include <linux/compiler.h>
 #include <linux/irqflags.h>
 #include <asm/octeon/cvmx.h>
 #include <asm/octeon/cvmx-l2c.h>
@@ -285,22 +286,22 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter)
  */
 static void fault_in(uint64_t addr, int len)
 {
-	volatile char *ptr;
+	char *ptr;
-	volatile char dummy;
+
 	/*
 	 * Adjust addr and length so we get all cache lines even for
 	 * small ranges spanning two cache lines.
 	 */
 	len += addr & CVMX_CACHE_LINE_MASK;
 	addr &= ~CVMX_CACHE_LINE_MASK;
-	ptr = (volatile char *)cvmx_phys_to_ptr(addr);
+	ptr = cvmx_phys_to_ptr(addr);
 	/*
 	 * Invalidate L1 cache to make sure all loads result in data
 	 * being in L2.
 	 */
 	CVMX_DCACHE_INVALIDATE;
 	while (len > 0) {
-		dummy += *ptr;
+		ACCESS_ONCE(*ptr);
 		len -= CVMX_CACHE_LINE_SIZE;
 		ptr += CVMX_CACHE_LINE_SIZE;
 	}

arch/mips/include/asm/dsp.h

@@ -16,7 +16,7 @@
 #include <asm/mipsregs.h>
 
 #define DSP_DEFAULT	0x00000000
-#define DSP_MASK	0x3ff
+#define DSP_MASK	0x3f
 
 #define __enable_dsp_hazard()						\
 do {									\

arch/mips/include/asm/inst.h

@@ -353,6 +353,7 @@ union mips_instruction {
 	struct u_format u_format;
 	struct c_format c_format;
 	struct r_format r_format;
+	struct p_format p_format;
 	struct f_format f_format;
 	struct ma_format ma_format;
 	struct b_format b_format;

arch/mips/include/asm/mach-pnx833x/war.h

@@ -21,4 +21,4 @@
 #define R10000_LLSC_WAR			0
 #define MIPS34K_MISSED_ITLB_WAR		0
 
-#endif /* __ASM_MIPS_MACH_PNX8550_WAR_H */
+#endif /* __ASM_MIPS_MACH_PNX833X_WAR_H */

arch/mips/include/asm/pgtable-64.h

@@ -230,6 +230,7 @@ static inline void pud_clear(pud_t *pudp)
 #else
 #define pte_pfn(x)		((unsigned long)((x).pte >> _PFN_SHIFT))
 #define pfn_pte(pfn, prot)	__pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
+#define pfn_pmd(pfn, prot)	__pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
 #endif
 
 #define __pgd_offset(address)	pgd_index(address)

arch/mips/include/uapi/asm/Kbuild

@@ -3,6 +3,7 @@ include include/uapi/asm-generic/Kbuild.asm
 
 header-y += auxvec.h
 header-y += bitsperlong.h
+header-y += break.h
 header-y += byteorder.h
 header-y += cachectl.h
 header-y += errno.h

arch/mips/kernel/ftrace.c

@@ -25,6 +25,12 @@
 #define MCOUNT_OFFSET_INSNS 4
 #endif
 
+/* Arch override because MIPS doesn't need to run this from stop_machine() */
+void arch_ftrace_update_code(int command)
+{
+	ftrace_modify_all_code(command);
+}
+
 /*
  * Check if the address is in kernel space
  *
@@ -89,6 +95,24 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
 	return 0;
 }
 
+#ifndef CONFIG_64BIT
+static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1,
+				unsigned int new_code2)
+{
+	int faulted;
+
+	safe_store_code(new_code1, ip, faulted);
+	if (unlikely(faulted))
+		return -EFAULT;
+	ip += 4;
+	safe_store_code(new_code2, ip, faulted);
+	if (unlikely(faulted))
+		return -EFAULT;
+	flush_icache_range(ip, ip + 8); /* original ip + 12 */
+	return 0;
+}
+#endif
+
 /*
  * The details about the calling site of mcount on MIPS
  *
@@ -131,8 +155,18 @@ int ftrace_make_nop(struct module *mod,
 	 * needed.
 	 */
 	new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F;
-
+#ifdef CONFIG_64BIT
 	return ftrace_modify_code(ip, new);
+#else
+	/*
+	 * On 32 bit MIPS platforms, gcc adds a stack adjust
+	 * instruction in the delay slot after the branch to
+	 * mcount and expects mcount to restore the sp on return.
+	 * This is based on a legacy API and does nothing but
+	 * waste instructions so it's being removed at runtime.
+	 */
+	return ftrace_modify_code_2(ip, new, INSN_NOP);
+#endif
 }
 
 int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)

arch/mips/kernel/mcount.S

@@ -46,9 +46,8 @@
 	PTR_L	a5, PT_R9(sp)
 	PTR_L	a6, PT_R10(sp)
 	PTR_L	a7, PT_R11(sp)
-	PTR_ADDIU	sp, PT_SIZE
 #else
-	PTR_ADDIU	sp, (PT_SIZE + 8)
+	PTR_ADDIU	sp, PT_SIZE
 #endif
 .endm
 
@@ -69,7 +68,9 @@ NESTED(ftrace_caller, PT_SIZE, ra)
 	.globl _mcount
 _mcount:
 	b	ftrace_stub
-	 nop
+	addiu sp,sp,8
+
+	/* When tracing is activated, it calls ftrace_caller+8 (aka here) */
 	lw	t1, function_trace_stop
 	bnez	t1, ftrace_stub
 	 nop

arch/mips/kernel/vpe.c

@@ -705,7 +705,7 @@ static int vpe_run(struct vpe * v)
 
 			printk(KERN_WARNING
 			       "VPE loader: TC %d is already in use.\n",
-                               t->index);
+			       v->tc->index);
 			return -ENOEXEC;
 		}
 	} else {

arch/mips/lantiq/irq.c

@@ -408,7 +408,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
 #endif
 
 	/* tell oprofile which irq to use */
-	cp0_perfcount_irq = LTQ_PERF_IRQ;
+	cp0_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ);
 
 	/*
 	 * if the timer irq is not one of the mips irqs we need to

arch/mips/lib/delay.c

@@ -21,7 +21,7 @@ void __delay(unsigned long loops)
 	"	.set	noreorder				\n"
 	"	.align	3					\n"
 	"1:	bnez	%0, 1b					\n"
-#if __SIZEOF_LONG__ == 4
+#if BITS_PER_LONG == 32
 	"	subu	%0, 1					\n"
 #else
 	"	dsubu	%0, 1					\n"

arch/mips/mm/ioremap.c

@@ -190,9 +190,3 @@ void __iounmap(const volatile void __iomem *addr)
 
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(__iounmap);
-
-int __virt_addr_valid(const volatile void *kaddr)
-{
-	return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
-}
-EXPORT_SYMBOL_GPL(__virt_addr_valid);

arch/mips/mm/mmap.c

@@ -192,3 +192,9 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
 
 	return ret;
 }
+
+int __virt_addr_valid(const volatile void *kaddr)
+{
+	return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
+}
+EXPORT_SYMBOL_GPL(__virt_addr_valid);

arch/mips/netlogic/xlr/setup.c

@@ -193,8 +193,11 @@ static void nlm_init_node(void)
 
 void __init prom_init(void)
 {
-	int i, *argv, *envp;		/* passed as 32 bit ptrs */
+	int *argv, *envp;		/* passed as 32 bit ptrs */
 	struct psb_info *prom_infop;
+#ifdef CONFIG_SMP
+	int i;
+#endif
 
 	/* truncate to 32 bit and sign extend all args */
 	argv = (int *)(long)(int)fw_arg1;

arch/mips/pci/pci-ar71xx.c

@@ -24,7 +24,7 @@
 #include <asm/mach-ath79/pci.h>
 
 #define AR71XX_PCI_MEM_BASE	0x10000000
-#define AR71XX_PCI_MEM_SIZE	0x08000000
+#define AR71XX_PCI_MEM_SIZE	0x07000000
 
 #define AR71XX_PCI_WIN0_OFFS		0x10000000
 #define AR71XX_PCI_WIN1_OFFS		0x11000000

arch/mips/pci/pci-ar724x.c

@@ -21,7 +21,7 @@
 #define AR724X_PCI_CTRL_SIZE	0x100
 
 #define AR724X_PCI_MEM_BASE	0x10000000
-#define AR724X_PCI_MEM_SIZE	0x08000000
+#define AR724X_PCI_MEM_SIZE	0x04000000
 
 #define AR724X_PCI_REG_RESET		0x18
 #define AR724X_PCI_REG_INT_STATUS	0x4c

arch/mn10300/include/asm/dma-mapping.h

@@ -168,4 +168,19 @@ void dma_cache_sync(void *vaddr, size_t size,
 	mn10300_dcache_flush_inv();
 }
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+				    struct vm_area_struct *vma, void *cpu_addr,
+				    dma_addr_t dma_addr, size_t size)
+{
+	return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size)
+{
+	return -EINVAL;
+}
+
 #endif

arch/parisc/include/asm/dma-mapping.h

@@ -238,4 +238,19 @@ void * sba_get_iommu(struct parisc_device *dev);
 /* At the moment, we panic on error for IOMMU resource exaustion */
 #define dma_mapping_error(dev, x)	0
 
+/* This API cannot be supported on PA-RISC */
+static inline int dma_mmap_coherent(struct device *dev,
+				    struct vm_area_struct *vma, void *cpu_addr,
+				    dma_addr_t dma_addr, size_t size)
+{
+	return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size)
+{
+	return -EINVAL;
+}
+
 #endif

arch/powerpc/mm/hash_low_64.S

@@ -115,11 +115,13 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
 	sldi	r29,r5,SID_SHIFT - VPN_SHIFT
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
 	or	r29,r28,r29
-
+	/*
-	/* Calculate hash value for primary slot and store it in r28 */
+	 * Calculate hash value for primary slot and store it in r28
-	rldicl	r5,r5,0,25		/* vsid & 0x0000007fffffffff */
+	 * r3 = va, r5 = vsid
-	rldicl	r0,r3,64-12,48		/* (ea >> 12) & 0xffff */
+	 * r0 = (va >> 12) & ((1ul << (28 - 12)) -1)
-	xor	r28,r5,r0
+	 */
+	rldicl	r0,r3,64-12,48
+	xor	r28,r5,r0		/* hash */
 	b	4f
 
 3:	/* Calc vpn and put it in r29 */
@@ -130,11 +132,12 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
 	/*
 	 * calculate hash value for primary slot and
 	 * store it in r28 for 1T segment
+	 * r3 = va, r5 = vsid
 	 */
-	rldic	r28,r5,25,25		/* (vsid << 25) & 0x7fffffffff */
+	sldi	r28,r5,25		/* vsid << 25 */
-	clrldi	r5,r5,40		/* vsid & 0xffffff */
+	/* r0 =  (va >> 12) & ((1ul << (40 - 12)) -1) */
-	rldicl	r0,r3,64-12,36		/* (ea >> 12) & 0xfffffff */
+	rldicl	r0,r3,64-12,36
-	xor	r28,r28,r5
+	xor	r28,r28,r5		/* vsid ^ ( vsid << 25) */
 	xor	r28,r28,r0		/* hash */
 
 	/* Convert linux PTE bits into HW equivalents */
@@ -407,11 +410,13 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
 	 */
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
 	or	r29,r28,r29
-
+	/*
-	/* Calculate hash value for primary slot and store it in r28 */
+	 * Calculate hash value for primary slot and store it in r28
-	rldicl	r5,r5,0,25		/* vsid & 0x0000007fffffffff */
+	 * r3 = va, r5 = vsid
-	rldicl	r0,r3,64-12,48		/* (ea >> 12) & 0xffff */
+	 * r0 = (va >> 12) & ((1ul << (28 - 12)) -1)
-	xor	r28,r5,r0
+	 */
+	rldicl	r0,r3,64-12,48
+	xor	r28,r5,r0		/* hash */
 	b	4f
 
 3:	/* Calc vpn and put it in r29 */
@@ -426,11 +431,12 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
 	/*
 	 * Calculate hash value for primary slot and
 	 * store it in r28  for 1T segment
+	 * r3 = va, r5 = vsid
 	 */
-	rldic	r28,r5,25,25		/* (vsid << 25) & 0x7fffffffff */
+	sldi	r28,r5,25		/* vsid << 25 */
-	clrldi	r5,r5,40		/* vsid & 0xffffff */
+	/* r0 = (va >> 12) & ((1ul << (40 - 12)) -1) */
-	rldicl	r0,r3,64-12,36		/* (ea >> 12) & 0xfffffff */
+	rldicl	r0,r3,64-12,36
-	xor	r28,r28,r5
+	xor	r28,r28,r5		/* vsid ^ ( vsid << 25) */
 	xor	r28,r28,r0		/* hash */
 
 	/* Convert linux PTE bits into HW equivalents */
@@ -752,25 +758,27 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
 	or	r29,r28,r29
 
-	/* Calculate hash value for primary slot and store it in r28 */
+	/* Calculate hash value for primary slot and store it in r28
-	rldicl	r5,r5,0,25		/* vsid & 0x0000007fffffffff */
+	 * r3 = va, r5 = vsid
-	rldicl	r0,r3,64-16,52		/* (ea >> 16) & 0xfff */
+	 * r0 = (va >> 16) & ((1ul << (28 - 16)) -1)
-	xor	r28,r5,r0
+	 */
+	rldicl	r0,r3,64-16,52
+	xor	r28,r5,r0		/* hash */
 	b	4f
 
 3:	/* Calc vpn and put it in r29 */
 	sldi	r29,r5,SID_SHIFT_1T - VPN_SHIFT
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT_1T - VPN_SHIFT)
 	or	r29,r28,r29
-
 	/*
 	 * calculate hash value for primary slot and
 	 * store it in r28 for 1T segment
+	 * r3 = va, r5 = vsid
 	 */
-	rldic	r28,r5,25,25		/* (vsid << 25) & 0x7fffffffff */
+	sldi	r28,r5,25		/* vsid << 25 */
-	clrldi	r5,r5,40		/* vsid & 0xffffff */
+	/* r0 = (va >> 16) & ((1ul << (40 - 16)) -1) */
-	rldicl	r0,r3,64-16,40		/* (ea >> 16) & 0xffffff */
+	rldicl	r0,r3,64-16,40
-	xor	r28,r28,r5
+	xor	r28,r28,r5		/* vsid ^ ( vsid << 25) */
 	xor	r28,r28,r0		/* hash */
 
 	/* Convert linux PTE bits into HW equivalents */

arch/x86/ia32/ia32entry.S

@@ -207,7 +207,7 @@ sysexit_from_sys_call:
 	testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	jnz ia32_ret_from_sys_call
 	TRACE_IRQS_ON
-	sti
+	ENABLE_INTERRUPTS(CLBR_NONE)
 	movl %eax,%esi		/* second arg, syscall return value */
 	cmpl $-MAX_ERRNO,%eax	/* is it an error ? */
 	jbe 1f
@@ -217,7 +217,7 @@ sysexit_from_sys_call:
 	call __audit_syscall_exit
 	movq RAX-ARGOFFSET(%rsp),%rax	/* reload syscall return value */
 	movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
-	cli
+	DISABLE_INTERRUPTS(CLBR_NONE)
 	TRACE_IRQS_OFF
 	testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	jz \exit

arch/x86/kernel/cpu/intel_cacheinfo.c

@@ -298,8 +298,7 @@ struct _cache_attr {
 			 unsigned int);
 };
 
-#ifdef CONFIG_AMD_NB
+#if defined(CONFIG_AMD_NB) && defined(CONFIG_SYSFS)
-
 /*
  * L3 cache descriptors
  */
@@ -524,9 +523,9 @@ store_subcaches(struct _cpuid4_info *this_leaf, const char *buf, size_t count,
 static struct _cache_attr subcaches =
 	__ATTR(subcaches, 0644, show_subcaches, store_subcaches);
 
-#else	/* CONFIG_AMD_NB */
+#else
 #define amd_init_l3_cache(x, y)
-#endif /* CONFIG_AMD_NB */
+#endif  /* CONFIG_AMD_NB && CONFIG_SYSFS */
 
 static int
 __cpuinit cpuid4_cache_lookup_regs(int index,

arch/x86/kernel/cpu/perf_event_intel.c

@@ -2019,7 +2019,10 @@ __init int intel_pmu_init(void)
 		break;
 
 	case 28: /* Atom */
-	case 54: /* Cedariew */
+	case 38: /* Lincroft */
+	case 39: /* Penwell */
+	case 53: /* Cloverview */
+	case 54: /* Cedarview */
 		memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
 
@@ -2084,6 +2087,7 @@ __init int intel_pmu_init(void)
 		pr_cont("SandyBridge events, ");
 		break;
 	case 58: /* IvyBridge */
+	case 62: /* IvyBridge EP */
 		memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
 		memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,

arch/x86/kernel/cpu/perf_event_p6.c

@@ -19,7 +19,7 @@ static const u64 p6_perfmon_event_map[] =
 
 };
 
-static __initconst u64 p6_hw_cache_event_ids
+static u64 p6_hw_cache_event_ids
 				[PERF_COUNT_HW_CACHE_MAX]
 				[PERF_COUNT_HW_CACHE_OP_MAX]
 				[PERF_COUNT_HW_CACHE_RESULT_MAX] =

arch/x86/tools/insn_sanity.c

@@ -55,7 +55,7 @@ static FILE		*input_file;	/* Input file name */
 static void usage(const char *err)
 {
 	if (err)
-		fprintf(stderr, "Error: %s\n\n", err);
+		fprintf(stderr, "%s: Error: %s\n\n", prog, err);
 	fprintf(stderr, "Usage: %s [-y|-n|-v] [-s seed[,no]] [-m max] [-i input]\n", prog);
 	fprintf(stderr, "\t-y	64bit mode\n");
 	fprintf(stderr, "\t-n	32bit mode\n");
@@ -269,7 +269,13 @@ int main(int argc, char **argv)
 		insns++;
 	}
 
-	fprintf(stdout, "%s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n", (errors) ? "Failure" : "Success", insns, (input_file) ? "given" : "random", errors, seed);
+	fprintf(stdout, "%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n",
+		prog,
+		(errors) ? "Failure" : "Success",
+		insns,
+		(input_file) ? "given" : "random",
+		errors,
+		seed);
 
 	return errors ? 1 : 0;
 }

arch/xtensa/include/asm/dma-mapping.h

@@ -170,4 +170,19 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	consistent_sync(vaddr, size, direction);
 }
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+				    struct vm_area_struct *vma, void *cpu_addr,
+				    dma_addr_t dma_addr, size_t size)
+{
+	return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size)
+{
+	return -EINVAL;
+}
+
 #endif	/* _XTENSA_DMA_MAPPING_H */

block/genhd.c

@@ -35,6 +35,8 @@ static DEFINE_IDR(ext_devt_idr);
 
 static struct device_type disk_type;
 
+static void disk_check_events(struct disk_events *ev,
+			      unsigned int *clearing_ptr);
 static void disk_alloc_events(struct gendisk *disk);
 static void disk_add_events(struct gendisk *disk);
 static void disk_del_events(struct gendisk *disk);
@@ -1549,6 +1551,7 @@ unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)
 	const struct block_device_operations *bdops = disk->fops;
 	struct disk_events *ev = disk->ev;
 	unsigned int pending;
+	unsigned int clearing = mask;
 
 	if (!ev) {
 		/* for drivers still using the old ->media_changed method */
@@ -1558,34 +1561,53 @@ unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)
 		return 0;
 	}
 
-	/* tell the workfn about the events being cleared */
+	disk_block_events(disk);
+
+	/*
+	 * store the union of mask and ev->clearing on the stack so that the
+	 * race with disk_flush_events does not cause ambiguity (ev->clearing
+	 * can still be modified even if events are blocked).
+	 */
 	spin_lock_irq(&ev->lock);
-	ev->clearing |= mask;
+	clearing |= ev->clearing;
+	ev->clearing = 0;
 	spin_unlock_irq(&ev->lock);
 
-	/* uncondtionally schedule event check and wait for it to finish */
+	disk_check_events(ev, &clearing);
-	disk_block_events(disk);
+	/*
-	queue_delayed_work(system_freezable_wq, &ev->dwork, 0);
+	 * if ev->clearing is not 0, the disk_flush_events got called in the
-	flush_delayed_work(&ev->dwork);
+	 * middle of this function, so we want to run the workfn without delay.
-	__disk_unblock_events(disk, false);
+	 */
+	__disk_unblock_events(disk, ev->clearing ? true : false);
 
 	/* then, fetch and clear pending events */
 	spin_lock_irq(&ev->lock);
-	WARN_ON_ONCE(ev->clearing & mask);	/* cleared by workfn */
 	pending = ev->pending & mask;
 	ev->pending &= ~mask;
 	spin_unlock_irq(&ev->lock);
+	WARN_ON_ONCE(clearing & mask);
 
 	return pending;
 }
 
+/*
+ * Separate this part out so that a different pointer for clearing_ptr can be
+ * passed in for disk_clear_events.
+ */
 static void disk_events_workfn(struct work_struct *work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
 	struct disk_events *ev = container_of(dwork, struct disk_events, dwork);
+
+	disk_check_events(ev, &ev->clearing);
+}
+
+static void disk_check_events(struct disk_events *ev,
+			      unsigned int *clearing_ptr)
+{
 	struct gendisk *disk = ev->disk;
 	char *envp[ARRAY_SIZE(disk_uevents) + 1] = { };
-	unsigned int clearing = ev->clearing;
+	unsigned int clearing = *clearing_ptr;
 	unsigned int events;
 	unsigned long intv;
 	int nr_events = 0, i;
@@ -1598,7 +1620,7 @@ static void disk_events_workfn(struct work_struct *work)
 
 	events &= ~ev->pending;
 	ev->pending |= events;
-	ev->clearing &= ~clearing;
+	*clearing_ptr &= ~clearing;
 
 	intv = disk_events_poll_jiffies(disk);
 	if (!ev->block && intv)

drivers/amba/tegra-ahb.c

@@ -129,7 +129,7 @@ static inline void gizmo_writel(struct tegra_ahb *ahb, u32 value, u32 offset)
 	writel(value, ahb->regs + offset);
 }
 
-#ifdef CONFIG_ARCH_TEGRA_3x_SOC
+#ifdef CONFIG_TEGRA_IOMMU_SMMU
 static int tegra_ahb_match_by_smmu(struct device *dev, void *data)
 {
 	struct tegra_ahb *ahb = dev_get_drvdata(dev);

drivers/atm/iphase.h

@@ -636,82 +636,82 @@ struct rx_buf_desc {
 #define SEG_BASE IPHASE5575_FRAG_CONTROL_REG_BASE  
 #define REASS_BASE IPHASE5575_REASS_CONTROL_REG_BASE  
 
-typedef volatile u_int  freg_t;
+typedef volatile u_int	ffreg_t;
 typedef u_int   rreg_t;
 
 typedef struct _ffredn_t {
-        freg_t  idlehead_high;  /* Idle cell header (high)              */
+	ffreg_t	idlehead_high;	/* Idle cell header (high)		*/
-        freg_t  idlehead_low;   /* Idle cell header (low)               */
+	ffreg_t	idlehead_low;	/* Idle cell header (low)		*/
-        freg_t  maxrate;        /* Maximum rate                         */
+	ffreg_t	maxrate;	/* Maximum rate				*/
-        freg_t  stparms;        /* Traffic Management Parameters        */
+	ffreg_t	stparms;	/* Traffic Management Parameters	*/
-        freg_t  abrubr_abr;     /* ABRUBR Priority Byte 1, TCR Byte 0   */
+	ffreg_t	abrubr_abr;	/* ABRUBR Priority Byte 1, TCR Byte 0	*/
-        freg_t  rm_type;        /*                                      */
+	ffreg_t	rm_type;	/*					*/
-        u_int   filler5[0x17 - 0x06];
+	u_int	filler5[0x17 - 0x06];
-        freg_t  cmd_reg;        /* Command register                     */
+	ffreg_t	cmd_reg;	/* Command register			*/
-        u_int   filler18[0x20 - 0x18];
+	u_int	filler18[0x20 - 0x18];
-        freg_t  cbr_base;       /* CBR Pointer Base                     */
+	ffreg_t	cbr_base;	/* CBR Pointer Base			*/
-        freg_t  vbr_base;       /* VBR Pointer Base                     */
+	ffreg_t	vbr_base;	/* VBR Pointer Base			*/
-        freg_t  abr_base;       /* ABR Pointer Base                     */
+	ffreg_t	abr_base;	/* ABR Pointer Base			*/
-        freg_t  ubr_base;       /* UBR Pointer Base                     */
+	ffreg_t	ubr_base;	/* UBR Pointer Base			*/
-        u_int   filler24;
+	u_int	filler24;
-        freg_t  vbrwq_base;     /* VBR Wait Queue Base                  */
+	ffreg_t	vbrwq_base;	/* VBR Wait Queue Base			*/
-        freg_t  abrwq_base;     /* ABR Wait Queue Base                  */
+	ffreg_t	abrwq_base;	/* ABR Wait Queue Base			*/
-        freg_t  ubrwq_base;     /* UBR Wait Queue Base                  */
+	ffreg_t	ubrwq_base;	/* UBR Wait Queue Base			*/
-        freg_t  vct_base;       /* Main VC Table Base                   */
+	ffreg_t	vct_base;	/* Main VC Table Base			*/
-        freg_t  vcte_base;      /* Extended Main VC Table Base          */
+	ffreg_t	vcte_base;	/* Extended Main VC Table Base		*/
-        u_int   filler2a[0x2C - 0x2A];
+	u_int	filler2a[0x2C - 0x2A];
-        freg_t  cbr_tab_beg;    /* CBR Table Begin                      */
+	ffreg_t	cbr_tab_beg;	/* CBR Table Begin			*/
-        freg_t  cbr_tab_end;    /* CBR Table End                        */
+	ffreg_t	cbr_tab_end;	/* CBR Table End			*/
-        freg_t  cbr_pointer;    /* CBR Pointer                          */
+	ffreg_t	cbr_pointer;	/* CBR Pointer				*/
-        u_int   filler2f[0x30 - 0x2F];
+	u_int	filler2f[0x30 - 0x2F];
-        freg_t  prq_st_adr;     /* Packet Ready Queue Start Address     */
+	ffreg_t	prq_st_adr;	/* Packet Ready Queue Start Address	*/
-        freg_t  prq_ed_adr;     /* Packet Ready Queue End Address       */
+	ffreg_t	prq_ed_adr;	/* Packet Ready Queue End Address	*/
-        freg_t  prq_rd_ptr;     /* Packet Ready Queue read pointer      */
+	ffreg_t	prq_rd_ptr;	/* Packet Ready Queue read pointer	*/
-        freg_t  prq_wr_ptr;     /* Packet Ready Queue write pointer     */
+	ffreg_t	prq_wr_ptr;	/* Packet Ready Queue write pointer	*/
-        freg_t  tcq_st_adr;     /* Transmit Complete Queue Start Address*/
+	ffreg_t	tcq_st_adr;	/* Transmit Complete Queue Start Address*/
-        freg_t  tcq_ed_adr;     /* Transmit Complete Queue End Address  */
+	ffreg_t	tcq_ed_adr;	/* Transmit Complete Queue End Address	*/
-        freg_t  tcq_rd_ptr;     /* Transmit Complete Queue read pointer */
+	ffreg_t	tcq_rd_ptr;	/* Transmit Complete Queue read pointer */
-        freg_t  tcq_wr_ptr;     /* Transmit Complete Queue write pointer*/
+	ffreg_t	tcq_wr_ptr;	/* Transmit Complete Queue write pointer*/
-        u_int   filler38[0x40 - 0x38];
+	u_int	filler38[0x40 - 0x38];
-        freg_t  queue_base;     /* Base address for PRQ and TCQ         */
+	ffreg_t	queue_base;	/* Base address for PRQ and TCQ		*/
-        freg_t  desc_base;      /* Base address of descriptor table     */
+	ffreg_t	desc_base;	/* Base address of descriptor table	*/
-        u_int   filler42[0x45 - 0x42];
+	u_int	filler42[0x45 - 0x42];
-        freg_t  mode_reg_0;     /* Mode register 0                      */
+	ffreg_t	mode_reg_0;	/* Mode register 0			*/
-        freg_t  mode_reg_1;     /* Mode register 1                      */
+	ffreg_t	mode_reg_1;	/* Mode register 1			*/
-        freg_t  intr_status_reg;/* Interrupt Status register            */
+	ffreg_t	intr_status_reg;/* Interrupt Status register		*/
-        freg_t  mask_reg;       /* Mask Register                        */
+	ffreg_t	mask_reg;	/* Mask Register			*/
-        freg_t  cell_ctr_high1; /* Total cell transfer count (high)     */
+	ffreg_t	cell_ctr_high1; /* Total cell transfer count (high)	*/
-        freg_t  cell_ctr_lo1;   /* Total cell transfer count (low)      */
+	ffreg_t	cell_ctr_lo1;	/* Total cell transfer count (low)	*/
-        freg_t  state_reg;      /* Status register                      */
+	ffreg_t	state_reg;	/* Status register			*/
-        u_int   filler4c[0x58 - 0x4c];
+	u_int	filler4c[0x58 - 0x4c];
-        freg_t  curr_desc_num;  /* Contains the current descriptor num  */
+	ffreg_t	curr_desc_num;	/* Contains the current descriptor num	*/
-        freg_t  next_desc;      /* Next descriptor                      */
+	ffreg_t	next_desc;	/* Next descriptor			*/
-        freg_t  next_vc;        /* Next VC                              */
+	ffreg_t	next_vc;	/* Next VC				*/
-        u_int   filler5b[0x5d - 0x5b];
+	u_int	filler5b[0x5d - 0x5b];
-        freg_t  present_slot_cnt;/* Present slot count                  */
+	ffreg_t	present_slot_cnt;/* Present slot count			*/
-        u_int   filler5e[0x6a - 0x5e];
+	u_int	filler5e[0x6a - 0x5e];
-        freg_t  new_desc_num;   /* New descriptor number                */
+	ffreg_t	new_desc_num;	/* New descriptor number		*/
-        freg_t  new_vc;         /* New VC                               */
+	ffreg_t	new_vc;		/* New VC				*/
-        freg_t  sched_tbl_ptr;  /* Schedule table pointer               */
+	ffreg_t	sched_tbl_ptr;	/* Schedule table pointer		*/
-        freg_t  vbrwq_wptr;     /* VBR wait queue write pointer         */
+	ffreg_t	vbrwq_wptr;	/* VBR wait queue write pointer		*/
-        freg_t  vbrwq_rptr;     /* VBR wait queue read pointer          */
+	ffreg_t	vbrwq_rptr;	/* VBR wait queue read pointer		*/
-        freg_t  abrwq_wptr;     /* ABR wait queue write pointer         */
+	ffreg_t	abrwq_wptr;	/* ABR wait queue write pointer		*/
-        freg_t  abrwq_rptr;     /* ABR wait queue read pointer          */
+	ffreg_t	abrwq_rptr;	/* ABR wait queue read pointer		*/
-        freg_t  ubrwq_wptr;     /* UBR wait queue write pointer         */
+	ffreg_t	ubrwq_wptr;	/* UBR wait queue write pointer		*/
-        freg_t  ubrwq_rptr;     /* UBR wait queue read pointer          */
+	ffreg_t	ubrwq_rptr;	/* UBR wait queue read pointer		*/
-        freg_t  cbr_vc;         /* CBR VC                               */
+	ffreg_t	cbr_vc;		/* CBR VC				*/
-        freg_t  vbr_sb_vc;      /* VBR SB VC                            */
+	ffreg_t	vbr_sb_vc;	/* VBR SB VC				*/
-        freg_t  abr_sb_vc;      /* ABR SB VC                            */
+	ffreg_t	abr_sb_vc;	/* ABR SB VC				*/
-        freg_t  ubr_sb_vc;      /* UBR SB VC                            */
+	ffreg_t	ubr_sb_vc;	/* UBR SB VC				*/
-        freg_t  vbr_next_link;  /* VBR next link                        */
+	ffreg_t	vbr_next_link;	/* VBR next link			*/
-        freg_t  abr_next_link;  /* ABR next link                        */
+	ffreg_t	abr_next_link;	/* ABR next link			*/
-        freg_t  ubr_next_link;  /* UBR next link                        */
+	ffreg_t	ubr_next_link;	/* UBR next link			*/
-        u_int   filler7a[0x7c-0x7a];
+	u_int	filler7a[0x7c-0x7a];
-        freg_t  out_rate_head;  /* Out of rate head                     */
+	ffreg_t	out_rate_head;	/* Out of rate head			*/
-        u_int   filler7d[0xca-0x7d]; /* pad out to full address space   */
+	u_int	filler7d[0xca-0x7d]; /* pad out to full address space	*/
-        freg_t  cell_ctr_high1_nc;/* Total cell transfer count (high)   */
+	ffreg_t	cell_ctr_high1_nc;/* Total cell transfer count (high)	*/
-        freg_t  cell_ctr_lo1_nc;/* Total cell transfer count (low)      */
+	ffreg_t	cell_ctr_lo1_nc;/* Total cell transfer count (low)	*/
-        u_int   fillercc[0x100-0xcc]; /* pad out to full address space   */
+	u_int	fillercc[0x100-0xcc]; /* pad out to full address space	 */
 } ffredn_t;
 
 typedef struct _rfredn_t {

drivers/bcma/bcma_private.h

@@ -94,11 +94,16 @@ void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
 #ifdef CONFIG_BCMA_DRIVER_GPIO
 /* driver_gpio.c */
 int bcma_gpio_init(struct bcma_drv_cc *cc);
+int bcma_gpio_unregister(struct bcma_drv_cc *cc);
 #else
 static inline int bcma_gpio_init(struct bcma_drv_cc *cc)
 {
 	return -ENOTSUPP;
 }
+static inline int bcma_gpio_unregister(struct bcma_drv_cc *cc)
+{
+	return 0;
+}
 #endif /* CONFIG_BCMA_DRIVER_GPIO */
 
 #endif

drivers/bcma/driver_chipcommon_nflash.c

@@ -21,7 +21,7 @@ int bcma_nflash_init(struct bcma_drv_cc *cc)
 	struct bcma_bus *bus = cc->core->bus;
 
 	if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
-	    cc->core->id.rev != 0x38) {
+	    cc->core->id.rev != 38) {
 		bcma_err(bus, "NAND flash on unsupported board!\n");
 		return -ENOTSUPP;
 	}

drivers/bcma/driver_gpio.c

@@ -96,3 +96,8 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
 
 	return gpiochip_add(chip);
 }
+
+int bcma_gpio_unregister(struct bcma_drv_cc *cc)
+{
+	return gpiochip_remove(&cc->gpio);
+}

drivers/bcma/main.c

@@ -268,6 +268,13 @@ int bcma_bus_register(struct bcma_bus *bus)
 void bcma_bus_unregister(struct bcma_bus *bus)
 {
 	struct bcma_device *cores[3];
+	int err;
+
+	err = bcma_gpio_unregister(&bus->drv_cc);
+	if (err == -EBUSY)
+		bcma_err(bus, "Some GPIOs are still in use.\n");
+	else if (err)
+		bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
 
 	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
 	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);

drivers/block/drbd/drbd_req.c

@@ -168,7 +168,7 @@ static void wake_all_senders(struct drbd_tconn *tconn) {
 }
 
 /* must hold resource->req_lock */
-static void start_new_tl_epoch(struct drbd_tconn *tconn)
+void start_new_tl_epoch(struct drbd_tconn *tconn)
 {
 	/* no point closing an epoch, if it is empty, anyways. */
 	if (tconn->current_tle_writes == 0)

drivers/block/drbd/drbd_req.h

@@ -267,6 +267,7 @@ struct bio_and_error {
 	int error;
 };
 
+extern void start_new_tl_epoch(struct drbd_tconn *tconn);
 extern void drbd_req_destroy(struct kref *kref);
 extern void _req_may_be_done(struct drbd_request *req,
 		struct bio_and_error *m);

drivers/block/drbd/drbd_state.c

@@ -931,6 +931,7 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns,
 	enum drbd_state_rv rv = SS_SUCCESS;
 	enum sanitize_state_warnings ssw;
 	struct after_state_chg_work *ascw;
+	bool did_remote, should_do_remote;
 
 	os = drbd_read_state(mdev);
 
@@ -981,11 +982,17 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns,
 	    (os.disk != D_DISKLESS && ns.disk == D_DISKLESS))
 		atomic_inc(&mdev->local_cnt);
 
+	did_remote = drbd_should_do_remote(mdev->state);
 	mdev->state.i = ns.i;
+	should_do_remote = drbd_should_do_remote(mdev->state);
 	mdev->tconn->susp = ns.susp;
 	mdev->tconn->susp_nod = ns.susp_nod;
 	mdev->tconn->susp_fen = ns.susp_fen;
 
+	/* put replicated vs not-replicated requests in seperate epochs */
+	if (did_remote != should_do_remote)
+		start_new_tl_epoch(mdev->tconn);
+
 	if (os.disk == D_ATTACHING && ns.disk >= D_NEGOTIATING)
 		drbd_print_uuids(mdev, "attached to UUIDs");
 

drivers/block/mtip32xx/mtip32xx.c

@@ -626,12 +626,13 @@ static void mtip_timeout_function(unsigned long int data)
 		}
 	}
 
-	if (cmdto_cnt && !test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
+	if (cmdto_cnt) {
 		print_tags(port->dd, "timed out", tagaccum, cmdto_cnt);
-
+		if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
-		mtip_restart_port(port);
+			mtip_restart_port(port);
+			wake_up_interruptible(&port->svc_wait);
+		}
 		clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
-		wake_up_interruptible(&port->svc_wait);
 	}
 
 	if (port->ic_pause_timer) {
@@ -3887,7 +3888,12 @@ static int mtip_block_remove(struct driver_data *dd)
 	 * Delete our gendisk structure. This also removes the device
 	 * from /dev
 	 */
-	del_gendisk(dd->disk);
+	if (dd->disk) {
+		if (dd->disk->queue)
+			del_gendisk(dd->disk);
+		else
+			put_disk(dd->disk);
+	}
 
 	spin_lock(&rssd_index_lock);
 	ida_remove(&rssd_index_ida, dd->index);
@@ -3921,7 +3927,13 @@ static int mtip_block_shutdown(struct driver_data *dd)
 		"Shutting down %s ...\n", dd->disk->disk_name);
 
 	/* Delete our gendisk structure, and cleanup the blk queue. */
-	del_gendisk(dd->disk);
+	if (dd->disk) {
+		if (dd->disk->queue)
+			del_gendisk(dd->disk);
+		else
+			put_disk(dd->disk);
+	}
+
 
 	spin_lock(&rssd_index_lock);
 	ida_remove(&rssd_index_ida, dd->index);

drivers/block/xen-blkback/blkback.c

@@ -161,10 +161,12 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
 static void make_response(struct xen_blkif *blkif, u64 id,
 			  unsigned short op, int st);
 
-#define foreach_grant(pos, rbtree, node) \
+#define foreach_grant_safe(pos, n, rbtree, node) \
-	for ((pos) = container_of(rb_first((rbtree)), typeof(*(pos)), node); \
+	for ((pos) = container_of(rb_first((rbtree)), typeof(*(pos)), node), \
+	     (n) = rb_next(&(pos)->node); \
 	     &(pos)->node != NULL; \
-	     (pos) = container_of(rb_next(&(pos)->node), typeof(*(pos)), node))
+	     (pos) = container_of(n, typeof(*(pos)), node), \
+	     (n) = (&(pos)->node != NULL) ? rb_next(&(pos)->node) : NULL)
 
 
 static void add_persistent_gnt(struct rb_root *root,
@@ -217,10 +219,11 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num)
 	struct gnttab_unmap_grant_ref unmap[BLKIF_MAX_SEGMENTS_PER_REQUEST];
 	struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST];
 	struct persistent_gnt *persistent_gnt;
+	struct rb_node *n;
 	int ret = 0;
 	int segs_to_unmap = 0;
 
-	foreach_grant(persistent_gnt, root, node) {
+	foreach_grant_safe(persistent_gnt, n, root, node) {
 		BUG_ON(persistent_gnt->handle ==
 			BLKBACK_INVALID_HANDLE);
 		gnttab_set_unmap_op(&unmap[segs_to_unmap],
@@ -230,9 +233,6 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num)
 			persistent_gnt->handle);
 
 		pages[segs_to_unmap] = persistent_gnt->page;
-		rb_erase(&persistent_gnt->node, root);
-		kfree(persistent_gnt);
-		num--;
 
 		if (++segs_to_unmap == BLKIF_MAX_SEGMENTS_PER_REQUEST ||
 			!rb_next(&persistent_gnt->node)) {
@@ -241,6 +241,10 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num)
 			BUG_ON(ret);
 			segs_to_unmap = 0;
 		}
+
+		rb_erase(&persistent_gnt->node, root);
+		kfree(persistent_gnt);
+		num--;
 	}
 	BUG_ON(num != 0);
 }

drivers/block/xen-blkfront.c

@@ -792,6 +792,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
 {
 	struct llist_node *all_gnts;
 	struct grant *persistent_gnt;
+	struct llist_node *n;
 
 	/* Prevent new requests being issued until we fix things up. */
 	spin_lock_irq(&info->io_lock);
@@ -804,7 +805,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
 	/* Remove all persistent grants */
 	if (info->persistent_gnts_c) {
 		all_gnts = llist_del_all(&info->persistent_gnts);
-		llist_for_each_entry(persistent_gnt, all_gnts, node) {
+		llist_for_each_entry_safe(persistent_gnt, n, all_gnts, node) {
 			gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);
 			__free_page(pfn_to_page(persistent_gnt->pfn));
 			kfree(persistent_gnt);
@@ -835,7 +836,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
 static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info,
 			     struct blkif_response *bret)
 {
-	int i;
+	int i = 0;
 	struct bio_vec *bvec;
 	struct req_iterator iter;
 	unsigned long flags;
@@ -852,7 +853,8 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info,
 		 */
 		rq_for_each_segment(bvec, s->request, iter) {
 			BUG_ON((bvec->bv_offset + bvec->bv_len) > PAGE_SIZE);
-			i = offset >> PAGE_SHIFT;
+			if (bvec->bv_offset < offset)
+				i++;
 			BUG_ON(i >= s->req.u.rw.nr_segments);
 			shared_data = kmap_atomic(
 				pfn_to_page(s->grants_used[i]->pfn));
@@ -861,7 +863,7 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info,
 				bvec->bv_len);
 			bvec_kunmap_irq(bvec_data, &flags);
 			kunmap_atomic(shared_data);
-			offset += bvec->bv_len;
+			offset = bvec->bv_offset + bvec->bv_len;
 		}
 	}
 	/* Add the persistent grant into the list of free grants */

drivers/char/virtio_console.c

@@ -2062,7 +2062,8 @@ static void virtcons_remove(struct virtio_device *vdev)
 	/* Disable interrupts for vqs */
 	vdev->config->reset(vdev);
 	/* Finish up work that's lined up */
-	cancel_work_sync(&portdev->control_work);
+	if (use_multiport(portdev))
+		cancel_work_sync(&portdev->control_work);
 
 	list_for_each_entry_safe(port, port2, &portdev->ports, list)
 		unplug_port(port);

drivers/gpu/drm/radeon/evergreen.c

@@ -1313,14 +1313,18 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
 				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
 					radeon_wait_for_vblank(rdev, i);
 					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 				}
 			} else {
 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
 				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
 					radeon_wait_for_vblank(rdev, i);
 					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 				}
 			}
 			/* wait for the next frame */
@@ -1345,6 +1349,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
 		blackout &= ~BLACKOUT_MODE_MASK;
 		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
 	}
+	/* wait for the MC to settle */
+	udelay(100);
 }
 
 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -1378,11 +1384,15 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
 			if (ASIC_IS_DCE6(rdev)) {
 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
 				tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 			} else {
 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
 				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 			}
 			/* wait for the next frame */
 			frame_count = radeon_get_vblank_counter(rdev, i);
@@ -2036,9 +2046,20 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
 	WREG32(DMA_TILING_CONFIG, gb_addr_config);
 
-	tmp = gb_addr_config & NUM_PIPES_MASK;
+	if ((rdev->config.evergreen.max_backends == 1) &&
-	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
+	    (rdev->flags & RADEON_IS_IGP)) {
-					EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
+		if ((disabled_rb_mask & 3) == 1) {
+			/* RB0 disabled, RB1 enabled */
+			tmp = 0x11111111;
+		} else {
+			/* RB1 disabled, RB0 enabled */
+			tmp = 0x00000000;
+		}
+	} else {
+		tmp = gb_addr_config & NUM_PIPES_MASK;
+		tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
+						EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
+	}
 	WREG32(GB_BACKEND_MAP, tmp);
 
 	WREG32(CGTS_SYS_TCC_DISABLE, 0);

drivers/gpu/drm/radeon/r600.c

@@ -1462,12 +1462,15 @@ u32 r6xx_remap_render_backend(struct radeon_device *rdev,
 			      u32 disabled_rb_mask)
 {
 	u32 rendering_pipe_num, rb_num_width, req_rb_num;
-	u32 pipe_rb_ratio, pipe_rb_remain;
+	u32 pipe_rb_ratio, pipe_rb_remain, tmp;
 	u32 data = 0, mask = 1 << (max_rb_num - 1);
 	unsigned i, j;
 
 	/* mask out the RBs that don't exist on that asic */
-	disabled_rb_mask |= (0xff << max_rb_num) & 0xff;
+	tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
+	/* make sure at least one RB is available */
+	if ((tmp & 0xff) != 0xff)
+		disabled_rb_mask = tmp;
 
 	rendering_pipe_num = 1 << tiling_pipe_num;
 	req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);

drivers/gpu/drm/radeon/radeon_asic.c

@@ -1445,7 +1445,7 @@ static struct radeon_asic cayman_asic = {
 	.vm = {
 		.init = &cayman_vm_init,
 		.fini = &cayman_vm_fini,
-		.pt_ring_index = R600_RING_TYPE_DMA_INDEX,
+		.pt_ring_index = RADEON_RING_TYPE_GFX_INDEX,
 		.set_page = &cayman_vm_set_page,
 	},
 	.ring = {
@@ -1572,7 +1572,7 @@ static struct radeon_asic trinity_asic = {
 	.vm = {
 		.init = &cayman_vm_init,
 		.fini = &cayman_vm_fini,
-		.pt_ring_index = R600_RING_TYPE_DMA_INDEX,
+		.pt_ring_index = RADEON_RING_TYPE_GFX_INDEX,
 		.set_page = &cayman_vm_set_page,
 	},
 	.ring = {
@@ -1699,7 +1699,7 @@ static struct radeon_asic si_asic = {
 	.vm = {
 		.init = &si_vm_init,
 		.fini = &si_vm_fini,
-		.pt_ring_index = R600_RING_TYPE_DMA_INDEX,
+		.pt_ring_index = RADEON_RING_TYPE_GFX_INDEX,
 		.set_page = &si_vm_set_page,
 	},
 	.ring = {

drivers/gpu/drm/radeon/radeon_combios.c

@@ -2470,6 +2470,14 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 								   1),
 								  ATOM_DEVICE_CRT1_SUPPORT);
 				}
+				/* RV100 board with external TDMS bit mis-set.
+				 * Actually uses internal TMDS, clear the bit.
+				 */
+				if (dev->pdev->device == 0x5159 &&
+				    dev->pdev->subsystem_vendor == 0x1014 &&
+				    dev->pdev->subsystem_device == 0x029A) {
+					tmp &= ~(1 << 4);
+				}
 				if ((tmp >> 4) & 0x1) {
 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
 					radeon_add_legacy_encoder(dev,

drivers/gpu/drm/radeon/radeon_display.c

@@ -1115,8 +1115,10 @@ radeon_user_framebuffer_create(struct drm_device *dev,
 	}
 
 	radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
-	if (radeon_fb == NULL)
+	if (radeon_fb == NULL) {
+		drm_gem_object_unreference_unlocked(obj);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
 	if (ret) {

drivers/gpu/drm/radeon/radeon_ring.c

@@ -377,6 +377,9 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi
 {
 	int r;
 
+	/* make sure we aren't trying to allocate more space than there is on the ring */
+	if (ndw > (ring->ring_size / 4))
+		return -ENOMEM;
 	/* Align requested size with padding so unlock_commit can
 	 * pad safely */
 	ndw = (ndw + ring->align_mask) & ~ring->align_mask;

drivers/gpu/drm/radeon/reg_srcs/cayman

@@ -1,5 +1,6 @@
 cayman 0x9400
 0x0000802C GRBM_GFX_INDEX
+0x00008040 WAIT_UNTIL
 0x000084FC CP_STRMOUT_CNTL
 0x000085F0 CP_COHER_CNTL
 0x000085F4 CP_COHER_SIZE

drivers/gpu/drm/radeon/rv515.c

@@ -336,6 +336,8 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
 				WREG32(R600_CITF_CNTL, blackout);
 		}
 	}
+	/* wait for the MC to settle */
+	udelay(100);
 }
 
 void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)

drivers/gpu/drm/ttm/ttm_bo_util.c

@@ -429,7 +429,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
 	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_bo_driver *driver = bdev->driver;
 
-	fbo = kzalloc(sizeof(*fbo), GFP_KERNEL);
+	fbo = kmalloc(sizeof(*fbo), GFP_KERNEL);
 	if (!fbo)
 		return -ENOMEM;
 
@@ -448,7 +448,12 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
 	fbo->vm_node = NULL;
 	atomic_set(&fbo->cpu_writers, 0);
 
-	fbo->sync_obj = driver->sync_obj_ref(bo->sync_obj);
+	spin_lock(&bdev->fence_lock);
+	if (bo->sync_obj)
+		fbo->sync_obj = driver->sync_obj_ref(bo->sync_obj);
+	else
+		fbo->sync_obj = NULL;
+	spin_unlock(&bdev->fence_lock);
 	kref_init(&fbo->list_kref);
 	kref_init(&fbo->kref);
 	fbo->destroy = &ttm_transfered_destroy;
@@ -661,13 +666,11 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
 		 */
 
 		set_bit(TTM_BO_PRIV_FLAG_MOVING, &bo->priv_flags);
-
-		/* ttm_buffer_object_transfer accesses bo->sync_obj */
-		ret = ttm_buffer_object_transfer(bo, &ghost_obj);
 		spin_unlock(&bdev->fence_lock);
 		if (tmp_obj)
 			driver->sync_obj_unref(&tmp_obj);
 
+		ret = ttm_buffer_object_transfer(bo, &ghost_obj);
 		if (ret)
 			return ret;
 

drivers/hid/hid-ids.h

@@ -306,6 +306,9 @@
 #define USB_VENDOR_ID_EZKEY		0x0518
 #define USB_DEVICE_ID_BTC_8193		0x0002
 
+#define USB_VENDOR_ID_FORMOSA          0x147a
+#define USB_DEVICE_ID_FORMOSA_IR_RECEIVER      0xe03e
+
 #define USB_VENDOR_ID_FREESCALE		0x15A2
 #define USB_DEVICE_ID_FREESCALE_MX28	0x004F
 

drivers/hid/i2c-hid/i2c-hid.c

@@ -540,13 +540,24 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
 {
 	struct i2c_client *client = hid->driver_data;
 	int report_id = buf[0];
+	int ret;
 
 	if (report_type == HID_INPUT_REPORT)
 		return -EINVAL;
 
-	return i2c_hid_set_report(client,
+	if (report_id) {
+		buf++;
+		count--;
+	}
+
+	ret = i2c_hid_set_report(client,
 				report_type == HID_FEATURE_REPORT ? 0x03 : 0x02,
 				report_id, buf, count);
+
+	if (report_id && ret >= 0)
+		ret++; /* add report_id to the number of transfered bytes */
+
+	return ret;
 }
 
 static int i2c_hid_parse(struct hid_device *hid)

drivers/hid/usbhid/hid-quirks.c

@@ -70,6 +70,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },

drivers/infiniband/hw/qib/qib_qp.c

@@ -263,20 +263,15 @@ static void remove_qp(struct qib_ibdev *dev, struct qib_qp *qp)
 		struct qib_qp __rcu **qpp;
 
 		qpp = &dev->qp_table[n];
-		q = rcu_dereference_protected(*qpp,
+		for (; (q = rcu_dereference_protected(*qpp,
-			lockdep_is_held(&dev->qpt_lock));
+				lockdep_is_held(&dev->qpt_lock))) != NULL;
-		for (; q; qpp = &q->next) {
+				qpp = &q->next)
 			if (q == qp) {
 				atomic_dec(&qp->refcount);
 				*qpp = qp->next;
 				rcu_assign_pointer(qp->next, NULL);
-				q = rcu_dereference_protected(*qpp,
-					lockdep_is_held(&dev->qpt_lock));
 				break;
 			}
-			q = rcu_dereference_protected(*qpp,
-				lockdep_is_held(&dev->qpt_lock));
-		}
 	}
 
 	spin_unlock_irqrestore(&dev->qpt_lock, flags);

drivers/infiniband/ulp/ipoib/ipoib_cm.c

@@ -741,6 +741,9 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
 
 	tx_req->mapping = addr;
 
+	skb_orphan(skb);
+	skb_dst_drop(skb);
+
 	rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
 		       addr, skb->len);
 	if (unlikely(rc)) {
@@ -752,9 +755,6 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
 		dev->trans_start = jiffies;
 		++tx->tx_head;
 
-		skb_orphan(skb);
-		skb_dst_drop(skb);
-
 		if (++priv->tx_outstanding == ipoib_sendq_size) {
 			ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n",
 				  tx->qp->qp_num);

drivers/infiniband/ulp/ipoib/ipoib_ib.c

@@ -600,6 +600,9 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
 		netif_stop_queue(dev);
 	}
 
+	skb_orphan(skb);
+	skb_dst_drop(skb);
+
 	rc = post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
 		       address->ah, qpn, tx_req, phead, hlen);
 	if (unlikely(rc)) {
@@ -615,9 +618,6 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
 
 		address->last_send = priv->tx_head;
 		++priv->tx_head;
-
-		skb_orphan(skb);
-		skb_dst_drop(skb);
 	}
 
 	if (unlikely(priv->tx_outstanding > MAX_SEND_CQE))

drivers/md/dm-thin.c

@@ -2746,19 +2746,9 @@ static int thin_iterate_devices(struct dm_target *ti,
 	return 0;
 }
 
-/*
- * A thin device always inherits its queue limits from its pool.
- */
-static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
-{
-	struct thin_c *tc = ti->private;
-
-	*limits = bdev_get_queue(tc->pool_dev->bdev)->limits;
-}
-
 static struct target_type thin_target = {
 	.name = "thin",
-	.version = {1, 6, 0},
+	.version = {1, 7, 0},
 	.module	= THIS_MODULE,
 	.ctr = thin_ctr,
 	.dtr = thin_dtr,
@@ -2767,7 +2757,6 @@ static struct target_type thin_target = {
 	.postsuspend = thin_postsuspend,
 	.status = thin_status,
 	.iterate_devices = thin_iterate_devices,
-	.io_hints = thin_io_hints,
 };
 
 /*----------------------------------------------------------------*/

drivers/md/dm.c

@@ -1188,6 +1188,7 @@ static int __clone_and_map_changing_extent_only(struct clone_info *ci,
 {
 	struct dm_target *ti;
 	sector_t len;
+	unsigned num_requests;
 
 	do {
 		ti = dm_table_find_target(ci->map, ci->sector);
@@ -1200,7 +1201,8 @@ static int __clone_and_map_changing_extent_only(struct clone_info *ci,
 		 * reconfiguration might also have changed that since the
 		 * check was performed.
 		 */
-		if (!get_num_requests || !get_num_requests(ti))
+		num_requests = get_num_requests ? get_num_requests(ti) : 0;
+		if (!num_requests)
 			return -EOPNOTSUPP;
 
 		if (is_split_required && !is_split_required(ti))
@@ -1208,7 +1210,7 @@ static int __clone_and_map_changing_extent_only(struct clone_info *ci,
 		else
 			len = min(ci->sector_count, max_io_len(ci->sector, ti));
 
-		__issue_target_requests(ci, ti, ti->num_discard_requests, len);
+		__issue_target_requests(ci, ti, num_requests, len);
 
 		ci->sector += len;
 	} while (ci->sector_count -= len);

drivers/media/radio/radio-keene.c

@@ -374,6 +374,7 @@ static int usb_keene_probe(struct usb_interface *intf,
 	radio->vdev.ioctl_ops = &usb_keene_ioctl_ops;
 	radio->vdev.lock = &radio->lock;
 	radio->vdev.release = video_device_release_empty;
+	radio->vdev.vfl_dir = VFL_DIR_TX;
 
 	radio->usbdev = interface_to_usbdev(intf);
 	radio->intf = intf;

drivers/media/radio/radio-si4713.c

@@ -250,6 +250,7 @@ static struct video_device radio_si4713_vdev_template = {
 	.name			= "radio-si4713",
 	.release		= video_device_release,
 	.ioctl_ops		= &radio_si4713_ioctl_ops,
+	.vfl_dir		= VFL_DIR_TX,
 };
 
 /* Platform driver interface */

drivers/media/radio/radio-wl1273.c

@@ -1971,6 +1971,7 @@ static struct video_device wl1273_viddev_template = {
 	.ioctl_ops		= &wl1273_ioctl_ops,
 	.name			= WL1273_FM_DRIVER_NAME,
 	.release		= wl1273_vdev_release,
+	.vfl_dir		= VFL_DIR_TX,
 };
 
 static int wl1273_fm_radio_remove(struct platform_device *pdev)

drivers/media/radio/wl128x/fmdrv_v4l2.c

@@ -518,6 +518,16 @@ static struct video_device fm_viddev_template = {
 	.ioctl_ops = &fm_drv_ioctl_ops,
 	.name = FM_DRV_NAME,
 	.release = video_device_release,
+	/*
+	 * To ensure both the tuner and modulator ioctls are accessible we
+	 * set the vfl_dir to M2M to indicate this.
+	 *
+	 * It is not really a mem2mem device of course, but it can both receive
+	 * and transmit using the same radio device. It's the only radio driver
+	 * that does this and it should really be split in two radio devices,
+	 * but that would affect applications using this driver.
+	 */
+	.vfl_dir = VFL_DIR_M2M,
 };
 
 int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr)

drivers/mmc/host/mmci.c

@@ -20,6 +20,7 @@
 #include <linux/err.h>
 #include <linux/highmem.h>
 #include <linux/log2.h>
+#include <linux/mmc/pm.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
 #include <linux/amba/bus.h>
@@ -59,6 +60,7 @@ static unsigned int fmax = 515633;
  * @blksz_datactrl16: true if Block size is at b16..b30 position in datactrl register
  * @pwrreg_powerup: power up value for MMCIPOWER register
  * @signal_direction: input/out direction of bus signals can be indicated
+ * @pwrreg_clkgate: MMCIPOWER register must be used to gate the clock
  */
 struct variant_data {
 	unsigned int		clkreg;
@@ -71,6 +73,7 @@ struct variant_data {
 	bool			blksz_datactrl16;
 	u32			pwrreg_powerup;
 	bool			signal_direction;
+	bool			pwrreg_clkgate;
 };
 
 static struct variant_data variant_arm = {
@@ -87,6 +90,14 @@ static struct variant_data variant_arm_extended_fifo = {
 	.pwrreg_powerup		= MCI_PWR_UP,
 };
 
+static struct variant_data variant_arm_extended_fifo_hwfc = {
+	.fifosize		= 128 * 4,
+	.fifohalfsize		= 64 * 4,
+	.clkreg_enable		= MCI_ARM_HWFCEN,
+	.datalength_bits	= 16,
+	.pwrreg_powerup		= MCI_PWR_UP,
+};
+
 static struct variant_data variant_u300 = {
 	.fifosize		= 16 * 4,
 	.fifohalfsize		= 8 * 4,
@@ -95,6 +106,7 @@ static struct variant_data variant_u300 = {
 	.sdio			= true,
 	.pwrreg_powerup		= MCI_PWR_ON,
 	.signal_direction	= true,
+	.pwrreg_clkgate		= true,
 };
 
 static struct variant_data variant_nomadik = {
@@ -106,6 +118,7 @@ static struct variant_data variant_nomadik = {
 	.st_clkdiv		= true,
 	.pwrreg_powerup		= MCI_PWR_ON,
 	.signal_direction	= true,
+	.pwrreg_clkgate		= true,
 };
 
 static struct variant_data variant_ux500 = {
@@ -118,6 +131,7 @@ static struct variant_data variant_ux500 = {
 	.st_clkdiv		= true,
 	.pwrreg_powerup		= MCI_PWR_ON,
 	.signal_direction	= true,
+	.pwrreg_clkgate		= true,
 };
 
 static struct variant_data variant_ux500v2 = {
@@ -131,8 +145,27 @@ static struct variant_data variant_ux500v2 = {
 	.blksz_datactrl16	= true,
 	.pwrreg_powerup		= MCI_PWR_ON,
 	.signal_direction	= true,
+	.pwrreg_clkgate		= true,
 };
 
+/*
+ * Validate mmc prerequisites
+ */
+static int mmci_validate_data(struct mmci_host *host,
+			      struct mmc_data *data)
+{
+	if (!data)
+		return 0;
+
+	if (!is_power_of_2(data->blksz)) {
+		dev_err(mmc_dev(host->mmc),
+			"unsupported block size (%d bytes)\n", data->blksz);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /*
  * This must be called with host->lock held
  */
@@ -202,6 +235,9 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
 	if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8)
 		clk |= MCI_ST_8BIT_BUS;
 
+	if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50)
+		clk |= MCI_ST_UX500_NEG_EDGE;
+
 	mmci_write_clkreg(host, clk);
 }
 
@@ -352,10 +388,33 @@ static inline void mmci_dma_release(struct mmci_host *host)
 	host->dma_rx_channel = host->dma_tx_channel = NULL;
 }
 
+static void mmci_dma_data_error(struct mmci_host *host)
+{
+	dev_err(mmc_dev(host->mmc), "error during DMA transfer!\n");
+	dmaengine_terminate_all(host->dma_current);
+	host->dma_current = NULL;
+	host->dma_desc_current = NULL;
+	host->data->host_cookie = 0;
+}
+
 static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data)
 {
-	struct dma_chan *chan = host->dma_current;
+	struct dma_chan *chan;
 	enum dma_data_direction dir;
+
+	if (data->flags & MMC_DATA_READ) {
+		dir = DMA_FROM_DEVICE;
+		chan = host->dma_rx_channel;
+	} else {
+		dir = DMA_TO_DEVICE;
+		chan = host->dma_tx_channel;
+	}
+
+	dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir);
+}
+
+static void mmci_dma_finalize(struct mmci_host *host, struct mmc_data *data)
+{
 	u32 status;
 	int i;
 
@@ -374,19 +433,13 @@ static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data)
 	 * contiguous buffers.  On TX, we'll get a FIFO underrun error.
 	 */
 	if (status & MCI_RXDATAAVLBLMASK) {
-		dmaengine_terminate_all(chan);
+		mmci_dma_data_error(host);
 		if (!data->error)
 			data->error = -EIO;
 	}
 
-	if (data->flags & MMC_DATA_WRITE) {
-		dir = DMA_TO_DEVICE;
-	} else {
-		dir = DMA_FROM_DEVICE;
-	}
-
 	if (!data->host_cookie)
-		dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir);
+		mmci_dma_unmap(host, data);
 
 	/*
 	 * Use of DMA with scatter-gather is impossible.
@@ -396,16 +449,15 @@ static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data)
 		dev_err(mmc_dev(host->mmc), "buggy DMA detected. Taking evasive action.\n");
 		mmci_dma_release(host);
 	}
+
+	host->dma_current = NULL;
+	host->dma_desc_current = NULL;
 }
 
-static void mmci_dma_data_error(struct mmci_host *host)
+/* prepares DMA channel and DMA descriptor, returns non-zero on failure */
-{
+static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
-	dev_err(mmc_dev(host->mmc), "error during DMA transfer!\n");
+				struct dma_chan **dma_chan,
-	dmaengine_terminate_all(host->dma_current);
+				struct dma_async_tx_descriptor **dma_desc)
-}
-
-static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
-			      struct mmci_host_next *next)
 {
 	struct variant_data *variant = host->variant;
 	struct dma_slave_config conf = {
@@ -423,16 +475,6 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 	enum dma_data_direction buffer_dirn;
 	int nr_sg;
 
-	/* Check if next job is already prepared */
-	if (data->host_cookie && !next &&
-	    host->dma_current && host->dma_desc_current)
-		return 0;
-
-	if (!next) {
-		host->dma_current = NULL;
-		host->dma_desc_current = NULL;
-	}
-
 	if (data->flags & MMC_DATA_READ) {
 		conf.direction = DMA_DEV_TO_MEM;
 		buffer_dirn = DMA_FROM_DEVICE;
@@ -462,29 +504,41 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 	if (!desc)
 		goto unmap_exit;
 
-	if (next) {
+	*dma_chan = chan;
-		next->dma_chan = chan;
+	*dma_desc = desc;
-		next->dma_desc = desc;
-	} else {
-		host->dma_current = chan;
-		host->dma_desc_current = desc;
-	}
 
 	return 0;
 
  unmap_exit:
-	if (!next)
-		dmaengine_terminate_all(chan);
 	dma_unmap_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
 	return -ENOMEM;
 }
 
+static inline int mmci_dma_prep_data(struct mmci_host *host,
+				     struct mmc_data *data)
+{
+	/* Check if next job is already prepared. */
+	if (host->dma_current && host->dma_desc_current)
+		return 0;
+
+	/* No job were prepared thus do it now. */
+	return __mmci_dma_prep_data(host, data, &host->dma_current,
+				    &host->dma_desc_current);
+}
+
+static inline int mmci_dma_prep_next(struct mmci_host *host,
+				     struct mmc_data *data)
+{
+	struct mmci_host_next *nd = &host->next_data;
+	return __mmci_dma_prep_data(host, data, &nd->dma_chan, &nd->dma_desc);
+}
+
 static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl)
 {
 	int ret;
 	struct mmc_data *data = host->data;
 
-	ret = mmci_dma_prep_data(host, host->data, NULL);
+	ret = mmci_dma_prep_data(host, host->data);
 	if (ret)
 		return ret;
 
@@ -514,19 +568,11 @@ static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data)
 {
 	struct mmci_host_next *next = &host->next_data;
 
-	if (data->host_cookie && data->host_cookie != next->cookie) {
+	WARN_ON(data->host_cookie && data->host_cookie != next->cookie);
-		pr_warning("[%s] invalid cookie: data->host_cookie %d"
+	WARN_ON(!data->host_cookie && (next->dma_desc || next->dma_chan));
-		       " host->next_data.cookie %d\n",
-		       __func__, data->host_cookie, host->next_data.cookie);
-		data->host_cookie = 0;
-	}
-
-	if (!data->host_cookie)
-		return;
 
 	host->dma_desc_current = next->dma_desc;
 	host->dma_current = next->dma_chan;
-
 	next->dma_desc = NULL;
 	next->dma_chan = NULL;
 }
@@ -541,19 +587,13 @@ static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq,
 	if (!data)
 		return;
 
-	if (data->host_cookie) {
+	BUG_ON(data->host_cookie);
-		data->host_cookie = 0;
-		return;
-	}
 
-	/* if config for dma */
+	if (mmci_validate_data(host, data))
-	if (((data->flags & MMC_DATA_WRITE) && host->dma_tx_channel) ||
+		return;
-	    ((data->flags & MMC_DATA_READ) && host->dma_rx_channel)) {
+
-		if (mmci_dma_prep_data(host, data, nd))
+	if (!mmci_dma_prep_next(host, data))
-			data->host_cookie = 0;
+		data->host_cookie = ++nd->cookie < 0 ? 1 : nd->cookie;
-		else
-			data->host_cookie = ++nd->cookie < 0 ? 1 : nd->cookie;
-	}
 }
 
 static void mmci_post_request(struct mmc_host *mmc, struct mmc_request *mrq,
@@ -561,29 +601,23 @@ static void mmci_post_request(struct mmc_host *mmc, struct mmc_request *mrq,
 {
 	struct mmci_host *host = mmc_priv(mmc);
 	struct mmc_data *data = mrq->data;
-	struct dma_chan *chan;
-	enum dma_data_direction dir;
 
-	if (!data)
+	if (!data || !data->host_cookie)
 		return;
 
-	if (data->flags & MMC_DATA_READ) {
+	mmci_dma_unmap(host, data);
-		dir = DMA_FROM_DEVICE;
-		chan = host->dma_rx_channel;
-	} else {
-		dir = DMA_TO_DEVICE;
-		chan = host->dma_tx_channel;
-	}
 
+	if (err) {
+		struct mmci_host_next *next = &host->next_data;
+		struct dma_chan *chan;
+		if (data->flags & MMC_DATA_READ)
+			chan = host->dma_rx_channel;
+		else
+			chan = host->dma_tx_channel;
+		dmaengine_terminate_all(chan);
 
-	/* if config for dma */
+		next->dma_desc = NULL;
-	if (chan) {
+		next->dma_chan = NULL;
-		if (err)
-			dmaengine_terminate_all(chan);
-		if (data->host_cookie)
-			dma_unmap_sg(mmc_dev(host->mmc), data->sg,
-				     data->sg_len, dir);
-		mrq->data->host_cookie = 0;
 	}
 }
 
@@ -604,6 +638,11 @@ static inline void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data)
 {
 }
 
+static inline void mmci_dma_finalize(struct mmci_host *host,
+				     struct mmc_data *data)
+{
+}
+
 static inline void mmci_dma_data_error(struct mmci_host *host)
 {
 }
@@ -680,6 +719,9 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
 			mmci_write_clkreg(host, clk);
 		}
 
+	if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50)
+		datactrl |= MCI_ST_DPSM_DDRMODE;
+
 	/*
 	 * Attempt to use DMA operation mode, if this
 	 * should fail, fall back to PIO mode
@@ -751,8 +793,10 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
 		u32 remain, success;
 
 		/* Terminate the DMA transfer */
-		if (dma_inprogress(host))
+		if (dma_inprogress(host)) {
 			mmci_dma_data_error(host);
+			mmci_dma_unmap(host, data);
+		}
 
 		/*
 		 * Calculate how far we are into the transfer.  Note that
@@ -791,7 +835,7 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
 
 	if (status & MCI_DATAEND || data->error) {
 		if (dma_inprogress(host))
-			mmci_dma_unmap(host, data);
+			mmci_dma_finalize(host, data);
 		mmci_stop_data(host);
 
 		if (!data->error)
@@ -828,8 +872,10 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
 	if (!cmd->data || cmd->error) {
 		if (host->data) {
 			/* Terminate the DMA transfer */
-			if (dma_inprogress(host))
+			if (dma_inprogress(host)) {
 				mmci_dma_data_error(host);
+				mmci_dma_unmap(host, host->data);
+			}
 			mmci_stop_data(host);
 		}
 		mmci_request_end(host, cmd->mrq);
@@ -1055,10 +1101,8 @@ static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 
 	WARN_ON(host->mrq != NULL);
 
-	if (mrq->data && !is_power_of_2(mrq->data->blksz)) {
+	mrq->cmd->error = mmci_validate_data(host, mrq->data);
-		dev_err(mmc_dev(mmc), "unsupported block size (%d bytes)\n",
+	if (mrq->cmd->error) {
-			mrq->data->blksz);
-		mrq->cmd->error = -EINVAL;
 		mmc_request_done(mmc, mrq);
 		return;
 	}
@@ -1086,7 +1130,6 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	struct variant_data *variant = host->variant;
 	u32 pwr = 0;
 	unsigned long flags;
-	int ret;
 
 	pm_runtime_get_sync(mmc_dev(mmc));
 
@@ -1096,23 +1139,13 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 
 	switch (ios->power_mode) {
 	case MMC_POWER_OFF:
-		if (host->vcc)
+		if (!IS_ERR(mmc->supply.vmmc))
-			ret = mmc_regulator_set_ocr(mmc, host->vcc, 0);
+			mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
 		break;
 	case MMC_POWER_UP:
-		if (host->vcc) {
+		if (!IS_ERR(mmc->supply.vmmc))
-			ret = mmc_regulator_set_ocr(mmc, host->vcc, ios->vdd);
+			mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd);
-			if (ret) {
+
-				dev_err(mmc_dev(mmc), "unable to set OCR\n");
-				/*
-				 * The .set_ios() function in the mmc_host_ops
-				 * struct return void, and failing to set the
-				 * power should be rare so we print an error
-				 * and return here.
-				 */
-				goto out;
-			}
-		}
 		/*
 		 * The ST Micro variant doesn't have the PL180s MCI_PWR_UP
 		 * and instead uses MCI_PWR_ON so apply whatever value is
@@ -1154,6 +1187,13 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		}
 	}
 
+	/*
+	 * If clock = 0 and the variant requires the MMCIPOWER to be used for
+	 * gating the clock, the MCI_PWR_ON bit is cleared.
+	 */
+	if (!ios->clock && variant->pwrreg_clkgate)
+		pwr &= ~MCI_PWR_ON;
+
 	spin_lock_irqsave(&host->lock, flags);
 
 	mmci_set_clkreg(host, ios->clock);
@@ -1161,7 +1201,6 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 
 	spin_unlock_irqrestore(&host->lock, flags);
 
- out:
 	pm_runtime_mark_last_busy(mmc_dev(mmc));
 	pm_runtime_put_autosuspend(mmc_dev(mmc));
 }
@@ -1384,32 +1423,19 @@ static int mmci_probe(struct amba_device *dev,
 	} else
 		dev_warn(&dev->dev, "could not get default pinstate\n");
 
-#ifdef CONFIG_REGULATOR
+	/* Get regulators and the supported OCR mask */
-	/* If we're using the regulator framework, try to fetch a regulator */
+	mmc_regulator_get_supply(mmc);
-	host->vcc = regulator_get(&dev->dev, "vmmc");
+	if (!mmc->ocr_avail)
-	if (IS_ERR(host->vcc))
-		host->vcc = NULL;
-	else {
-		int mask = mmc_regulator_get_ocrmask(host->vcc);
-
-		if (mask < 0)
-			dev_err(&dev->dev, "error getting OCR mask (%d)\n",
-				mask);
-		else {
-			host->mmc->ocr_avail = (u32) mask;
-			if (plat->ocr_mask)
-				dev_warn(&dev->dev,
-				 "Provided ocr_mask/setpower will not be used "
-				 "(using regulator instead)\n");
-		}
-	}
-#endif
-	/* Fall back to platform data if no regulator is found */
-	if (host->vcc == NULL)
 		mmc->ocr_avail = plat->ocr_mask;
+	else if (plat->ocr_mask)
+		dev_warn(mmc_dev(mmc), "Platform OCR mask is ignored\n");
+
 	mmc->caps = plat->capabilities;
 	mmc->caps2 = plat->capabilities2;
 
+	/* We support these PM capabilities. */
+	mmc->pm_caps = MMC_PM_KEEP_POWER;
+
 	/*
 	 * We can do SGIO
 	 */
@@ -1585,10 +1611,6 @@ static int mmci_remove(struct amba_device *dev)
 		clk_disable_unprepare(host->clk);
 		clk_put(host->clk);
 
-		if (host->vcc)
-			mmc_regulator_set_ocr(mmc, host->vcc, 0);
-		regulator_put(host->vcc);
-
 		mmc_free_host(mmc);
 
 		amba_release_regions(dev);
@@ -1636,8 +1658,37 @@ static int mmci_resume(struct device *dev)
 }
 #endif
 
+#ifdef CONFIG_PM_RUNTIME
+static int mmci_runtime_suspend(struct device *dev)
+{
+	struct amba_device *adev = to_amba_device(dev);
+	struct mmc_host *mmc = amba_get_drvdata(adev);
+
+	if (mmc) {
+		struct mmci_host *host = mmc_priv(mmc);
+		clk_disable_unprepare(host->clk);
+	}
+
+	return 0;
+}
+
+static int mmci_runtime_resume(struct device *dev)
+{
+	struct amba_device *adev = to_amba_device(dev);
+	struct mmc_host *mmc = amba_get_drvdata(adev);
+
+	if (mmc) {
+		struct mmci_host *host = mmc_priv(mmc);
+		clk_prepare_enable(host->clk);
+	}
+
+	return 0;
+}
+#endif
+
 static const struct dev_pm_ops mmci_dev_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(mmci_suspend, mmci_resume)
+	SET_RUNTIME_PM_OPS(mmci_runtime_suspend, mmci_runtime_resume, NULL)
 };
 
 static struct amba_id mmci_ids[] = {
@@ -1651,6 +1702,11 @@ static struct amba_id mmci_ids[] = {
 		.mask	= 0xff0fffff,
 		.data	= &variant_arm_extended_fifo,
 	},
+	{
+		.id	= 0x02041180,
+		.mask	= 0xff0fffff,
+		.data	= &variant_arm_extended_fifo_hwfc,
+	},
 	{
 		.id	= 0x00041181,
 		.mask	= 0x000fffff,

drivers/mmc/host/mmci.h

@@ -28,6 +28,8 @@
 #define MCI_ST_UX500_NEG_EDGE	(1 << 13)
 #define MCI_ST_UX500_HWFCEN	(1 << 14)
 #define MCI_ST_UX500_CLK_INV	(1 << 15)
+/* Modified PL180 on Versatile Express platform */
+#define MCI_ARM_HWFCEN		(1 << 12)
 
 #define MMCIARGUMENT		0x008
 #define MMCICOMMAND		0x00c
@@ -193,7 +195,6 @@ struct mmci_host {
 	/* pio stuff */
 	struct sg_mapping_iter	sg_miter;
 	unsigned int		size;
-	struct regulator	*vcc;
 
 	/* pinctrl handles */
 	struct pinctrl		*pinctrl;

drivers/mtd/devices/Kconfig

@@ -272,6 +272,7 @@ config MTD_DOCG3
 	tristate "M-Systems Disk-On-Chip G3"
 	select BCH
 	select BCH_CONST_PARAMS
+	select BITREVERSE
 	---help---
 	  This provides an MTD device driver for the M-Systems DiskOnChip
 	  G3 devices.

drivers/mtd/maps/physmap_of.c

@@ -170,7 +170,7 @@ static int of_flash_probe(struct platform_device *dev)
 	resource_size_t res_size;
 	struct mtd_part_parser_data ppdata;
 	bool map_indirect;
-	const char *mtd_name;
+	const char *mtd_name = NULL;
 
 	match = of_match_device(of_flash_match, &dev->dev);
 	if (!match)

drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c

@@ -17,8 +17,8 @@
 #include "bcm47xxnflash.h"
 
 /* Broadcom uses 1'000'000 but it seems to be too many. Tests on WNDR4500 has
- * shown 164 retries as maxiumum. */
+ * shown ~1000 retries as maxiumum. */
-#define NFLASH_READY_RETRIES		1000
+#define NFLASH_READY_RETRIES		10000
 
 #define NFLASH_SECTOR_SIZE		512
 

drivers/mtd/nand/davinci_nand.c

@@ -523,7 +523,7 @@ static struct nand_ecclayout hwecc4_2048 __initconst = {
 static const struct of_device_id davinci_nand_of_match[] = {
 	{.compatible = "ti,davinci-nand", },
 	{},
-}
+};
 MODULE_DEVICE_TABLE(of, davinci_nand_of_match);
 
 static struct davinci_nand_pdata

drivers/mtd/nand/nand_base.c

@@ -2857,8 +2857,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
 	int i;
 	int val;
 
-	/* ONFI need to be probed in 8 bits mode */
+	/* ONFI need to be probed in 8 bits mode, and 16 bits should be selected with NAND_BUSWIDTH_AUTO */
-	WARN_ON(chip->options & NAND_BUSWIDTH_16);
+	if (chip->options & NAND_BUSWIDTH_16) {
+		pr_err("Trying ONFI probe in 16 bits mode, aborting !\n");
+		return 0;
+	}
 	/* Try ONFI for unknown chip or LP */
 	chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1);
 	if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' ||

drivers/net/bonding/bond_sysfs.c

@@ -1053,6 +1053,7 @@ static ssize_t bonding_store_primary(struct device *d,
 		pr_info("%s: Setting primary slave to None.\n",
 			bond->dev->name);
 		bond->primary_slave = NULL;
+		memset(bond->params.primary, 0, sizeof(bond->params.primary));
 		bond_select_active_slave(bond);
 		goto out;
 	}

drivers/net/can/c_can/c_can.c

@@ -488,8 +488,12 @@ static void c_can_setup_receive_object(struct net_device *dev, int iface,
 
 	priv->write_reg(priv, C_CAN_IFACE(MASK1_REG, iface),
 			IFX_WRITE_LOW_16BIT(mask));
+
+	/* According to C_CAN documentation, the reserved bit
+	 * in IFx_MASK2 register is fixed 1
+	 */
 	priv->write_reg(priv, C_CAN_IFACE(MASK2_REG, iface),
-			IFX_WRITE_HIGH_16BIT(mask));
+			IFX_WRITE_HIGH_16BIT(mask) | BIT(13));
 
 	priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface),
 			IFX_WRITE_LOW_16BIT(id));

drivers/net/ethernet/emulex/benet/be.h

@@ -36,13 +36,13 @@
 
 #define DRV_VER			"4.4.161.0u"
 #define DRV_NAME		"be2net"
-#define BE_NAME			"ServerEngines BladeEngine2 10Gbps NIC"
+#define BE_NAME			"Emulex BladeEngine2"
-#define BE3_NAME		"ServerEngines BladeEngine3 10Gbps NIC"
+#define BE3_NAME		"Emulex BladeEngine3"
-#define OC_NAME			"Emulex OneConnect 10Gbps NIC"
+#define OC_NAME			"Emulex OneConnect"
 #define OC_NAME_BE		OC_NAME	"(be3)"
 #define OC_NAME_LANCER		OC_NAME "(Lancer)"
 #define OC_NAME_SH		OC_NAME "(Skyhawk)"
-#define DRV_DESC		"ServerEngines BladeEngine 10Gbps NIC Driver"
+#define DRV_DESC		"Emulex OneConnect 10Gbps NIC Driver"
 
 #define BE_VENDOR_ID 		0x19a2
 #define EMULEX_VENDOR_ID	0x10df

drivers/net/ethernet/emulex/benet/be_main.c

@@ -25,7 +25,7 @@
 MODULE_VERSION(DRV_VER);
 MODULE_DEVICE_TABLE(pci, be_dev_ids);
 MODULE_DESCRIPTION(DRV_DESC " " DRV_VER);
-MODULE_AUTHOR("ServerEngines Corporation");
+MODULE_AUTHOR("Emulex Corporation");
 MODULE_LICENSE("GPL");
 
 static unsigned int num_vfs;

drivers/net/ethernet/intel/e1000e/defines.h

@@ -232,6 +232,7 @@
 #define E1000_CTRL_FRCDPX   0x00001000  /* Force Duplex */
 #define E1000_CTRL_LANPHYPC_OVERRIDE 0x00010000 /* SW control of LANPHYPC */
 #define E1000_CTRL_LANPHYPC_VALUE    0x00020000 /* SW value of LANPHYPC */
+#define E1000_CTRL_MEHE     0x00080000  /* Memory Error Handling Enable */
 #define E1000_CTRL_SWDPIN0  0x00040000  /* SWDPIN 0 value */
 #define E1000_CTRL_SWDPIN1  0x00080000  /* SWDPIN 1 value */
 #define E1000_CTRL_SWDPIO0  0x00400000  /* SWDPIN 0 Input or output */
@@ -389,6 +390,12 @@
 
 #define E1000_PBS_16K E1000_PBA_16K
 
+/* Uncorrectable/correctable ECC Error counts and enable bits */
+#define E1000_PBECCSTS_CORR_ERR_CNT_MASK	0x000000FF
+#define E1000_PBECCSTS_UNCORR_ERR_CNT_MASK	0x0000FF00
+#define E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT	8
+#define E1000_PBECCSTS_ECC_ENABLE		0x00010000
+
 #define IFS_MAX       80
 #define IFS_MIN       40
 #define IFS_RATIO     4
@@ -408,6 +415,7 @@
 #define E1000_ICR_RXSEQ         0x00000008 /* Rx sequence error */
 #define E1000_ICR_RXDMT0        0x00000010 /* Rx desc min. threshold (0) */
 #define E1000_ICR_RXT0          0x00000080 /* Rx timer intr (ring 0) */
+#define E1000_ICR_ECCER         0x00400000 /* Uncorrectable ECC Error */
 #define E1000_ICR_INT_ASSERTED  0x80000000 /* If this bit asserted, the driver should claim the interrupt */
 #define E1000_ICR_RXQ0          0x00100000 /* Rx Queue 0 Interrupt */
 #define E1000_ICR_RXQ1          0x00200000 /* Rx Queue 1 Interrupt */
@@ -443,6 +451,7 @@
 #define E1000_IMS_RXSEQ     E1000_ICR_RXSEQ     /* Rx sequence error */
 #define E1000_IMS_RXDMT0    E1000_ICR_RXDMT0    /* Rx desc min. threshold */
 #define E1000_IMS_RXT0      E1000_ICR_RXT0      /* Rx timer intr */
+#define E1000_IMS_ECCER     E1000_ICR_ECCER     /* Uncorrectable ECC Error */
 #define E1000_IMS_RXQ0      E1000_ICR_RXQ0      /* Rx Queue 0 Interrupt */
 #define E1000_IMS_RXQ1      E1000_ICR_RXQ1      /* Rx Queue 1 Interrupt */
 #define E1000_IMS_TXQ0      E1000_ICR_TXQ0      /* Tx Queue 0 Interrupt */

drivers/net/ethernet/intel/e1000e/e1000.h

@@ -309,6 +309,8 @@ struct e1000_adapter {
 
 	struct napi_struct napi;
 
+	unsigned int uncorr_errors;	/* uncorrectable ECC errors */
+	unsigned int corr_errors;	/* correctable ECC errors */
 	unsigned int restart_queue;
 	u32 txd_cmd;