diff --git 
a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt 
b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
index ce6a1a072028..8a3c40829899 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
@@ -30,10 +30,6 @@ should only be used when a device has multiple interrupt 
parents.
   Example:
        interrupts-extended = <&intc1 5 1>, <&intc2 1 0>;
 
-A device node may contain either "interrupts" or "interrupts-extended", but not
-both. If both properties are present, then the operating system should log an
-error and use only the data in "interrupts".
-
 2) Interrupt controller nodes
 -----------------------------
 
diff --git a/Makefile b/Makefile
index b60b64d65416..42585f6a819a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 17
-SUBLEVEL = 4
+SUBLEVEL = 5
 EXTRAVERSION =
 NAME = Shuffling Zombie Juror
 
diff --git a/arch/arm/include/asm/thread_info.h 
b/arch/arm/include/asm/thread_info.h
index fc44d3761f9e..ce73ab635414 100644
--- a/arch/arm/include/asm/thread_info.h
+++ b/arch/arm/include/asm/thread_info.h
@@ -44,16 +44,6 @@ struct cpu_context_save {
        __u32   extra[2];               /* Xscale 'acc' register, etc */
 };
 
-struct arm_restart_block {
-       union {
-               /* For user cache flushing */
-               struct {
-                       unsigned long start;
-                       unsigned long end;
-               } cache;
-       };
-};
-
 /*
  * low level task data that entry.S needs immediate access to.
  * __switch_to() assumes cpu_context follows immediately after cpu_domain.
@@ -79,7 +69,6 @@ struct thread_info {
        unsigned long           thumbee_state;  /* ThumbEE Handler Base 
register */
 #endif
        struct restart_block    restart_block;
-       struct arm_restart_block        arm_restart_block;
 };
 
 #define INIT_THREAD_INFO(tsk)                                          \
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index a964c9f40f87..bea63f5fdbbd 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -513,8 +513,6 @@ static int bad_syscall(int n, struct pt_regs *regs)
        return regs->ARM_r0;
 }
 
-static long do_cache_op_restart(struct restart_block *);
-
 static inline int
 __do_cache_op(unsigned long start, unsigned long end)
 {
@@ -523,24 +521,8 @@ __do_cache_op(unsigned long start, unsigned long end)
        do {
                unsigned long chunk = min(PAGE_SIZE, end - start);
 
-               if (signal_pending(current)) {
-                       struct thread_info *ti = current_thread_info();
-
-                       ti->restart_block = (struct restart_block) {
-                               .fn     = do_cache_op_restart,
-                       };
-
-                       ti->arm_restart_block = (struct arm_restart_block) {
-                               {
-                                       .cache = {
-                                               .start  = start,
-                                               .end    = end,
-                                       },
-                               },
-                       };
-
-                       return -ERESTART_RESTARTBLOCK;
-               }
+               if (fatal_signal_pending(current))
+                       return 0;
 
                ret = flush_cache_user_range(start, start + chunk);
                if (ret)
@@ -553,15 +535,6 @@ __do_cache_op(unsigned long start, unsigned long end)
        return 0;
 }
 
-static long do_cache_op_restart(struct restart_block *unused)
-{
-       struct arm_restart_block *restart_block;
-
-       restart_block = &current_thread_info()->arm_restart_block;
-       return __do_cache_op(restart_block->cache.start,
-                            restart_block->cache.end);
-}
-
 static inline int
 do_cache_op(unsigned long start, unsigned long end, int flags)
 {
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 2bdc3233abe2..044b51185fcc 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -400,6 +400,8 @@ int __init coherency_init(void)
                 type == COHERENCY_FABRIC_TYPE_ARMADA_380)
                armada_375_380_coherency_init(np);
 
+       of_node_put(np);
+
        return 0;
 }
 
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index b5d67db20897..197ac5f22535 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -270,7 +270,6 @@ __v7_pj4b_setup:
 /* Auxiliary Debug Modes Control 1 Register */
 #define PJ4B_STATIC_BP (1 << 2) /* Enable Static BP */
 #define PJ4B_INTER_PARITY (1 << 8) /* Disable Internal Parity Handling */
-#define PJ4B_BCK_OFF_STREX (1 << 5) /* Enable the back off of STREX instr */
 #define PJ4B_CLEAN_LINE (1 << 16) /* Disable data transfer for clean line */
 
 /* Auxiliary Debug Modes Control 2 Register */
@@ -293,7 +292,6 @@ __v7_pj4b_setup:
        /* Auxiliary Debug Modes Control 1 Register */
        mrc     p15, 1, r0, c15, c1, 1
        orr     r0, r0, #PJ4B_CLEAN_LINE
-       orr     r0, r0, #PJ4B_BCK_OFF_STREX
        orr     r0, r0, #PJ4B_INTER_PARITY
        bic     r0, r0, #PJ4B_STATIC_BP
        mcr     p15, 1, r0, c15, c1, 1
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 23259f104c66..afa2b3c4df4a 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -535,7 +535,7 @@ ENTRY(cpu_xscale_do_suspend)
        mrc     p15, 0, r5, c15, c1, 0  @ CP access reg
        mrc     p15, 0, r6, c13, c0, 0  @ PID
        mrc     p15, 0, r7, c3, c0, 0   @ domain ID
-       mrc     p15, 0, r8, c1, c1, 0   @ auxiliary control reg
+       mrc     p15, 0, r8, c1, c0, 1   @ auxiliary control reg
        mrc     p15, 0, r9, c1, c0, 0   @ control reg
        bic     r4, r4, #2              @ clear frequency change bit
        stmia   r0, {r4 - r9}           @ store cp regs
@@ -552,7 +552,7 @@ ENTRY(cpu_xscale_do_resume)
        mcr     p15, 0, r6, c13, c0, 0  @ PID
        mcr     p15, 0, r7, c3, c0, 0   @ domain ID
        mcr     p15, 0, r1, c2, c0, 0   @ translation table base addr
-       mcr     p15, 0, r8, c1, c1, 0   @ auxiliary control reg
+       mcr     p15, 0, r8, c1, c0, 1   @ auxiliary control reg
        mov     r0, r9                  @ control register
        b       cpu_resume_mmu
 ENDPROC(cpu_xscale_do_resume)
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index cf3b580c3df6..e7b80c352d21 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -661,6 +661,8 @@
 #define MIPS_CONF6_SYND                (_ULCAST_(1) << 13)
 /* proAptiv FTLB on/off bit */
 #define MIPS_CONF6_FTLBEN      (_ULCAST_(1) << 15)
+/* FTLB probability bits */
+#define MIPS_CONF6_FTLBP_SHIFT (16)
 
 #define MIPS_CONF7_WII         (_ULCAST_(1) << 31)
 
diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h
index 4520adc8699b..cd6e0afc6833 100644
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
@@ -257,7 +257,11 @@ static inline void protected_flush_icache_line(unsigned 
long addr)
  */
 static inline void protected_writeback_dcache_line(unsigned long addr)
 {
+#ifdef CONFIG_EVA
+       protected_cachee_op(Hit_Writeback_Inv_D, addr);
+#else
        protected_cache_op(Hit_Writeback_Inv_D, addr);
+#endif
 }
 
 static inline void protected_writeback_scache_line(unsigned long addr)
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index a10951090234..b9ab717e3619 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -773,10 +773,11 @@ extern void __put_user_unaligned_unknown(void);
        "jal\t" #destination "\n\t"
 #endif
 
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
-#define DADDI_SCRATCH "$0"
-#else
+#if defined(CONFIG_CPU_DADDI_WORKAROUNDS) || (defined(CONFIG_EVA) &&   \
+                                             defined(CONFIG_CPU_HAS_PREFETCH))
 #define DADDI_SCRATCH "$3"
+#else
+#define DADDI_SCRATCH "$0"
 #endif
 
 extern size_t __copy_user(void *__to, const void *__from, size_t __n);
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index e34b10be782e..052665447dab 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -192,6 +192,32 @@ static void set_isa(struct cpuinfo_mips *c, unsigned int 
isa)
 static char unknown_isa[] = KERN_ERR \
        "Unsupported ISA type, c0.config0: %d.";
 
+static unsigned int calculate_ftlb_probability(struct cpuinfo_mips *c)
+{
+
+       unsigned int probability = c->tlbsize / c->tlbsizevtlb;
+
+       /*
+        * 0 = All TLBWR instructions go to FTLB
+        * 1 = 15:1: For every 16 TBLWR instructions, 15 go to the
+        * FTLB and 1 goes to the VTLB.
+        * 2 = 7:1: As above with 7:1 ratio.
+        * 3 = 3:1: As above with 3:1 ratio.
+        *
+        * Use the linear midpoint as the probability threshold.
+        */
+       if (probability >= 12)
+               return 1;
+       else if (probability >= 6)
+               return 2;
+       else
+               /*
+                * So FTLB is less than 4 times bigger than VTLB.
+                * A 3:1 ratio can still be useful though.
+                */
+               return 3;
+}
+
 static void set_ftlb_enable(struct cpuinfo_mips *c, int enable)
 {
        unsigned int config6;
@@ -202,9 +228,14 @@ static void set_ftlb_enable(struct cpuinfo_mips *c, int 
enable)
        case CPU_P5600:
                /* proAptiv & related cores use Config6 to enable the FTLB */
                config6 = read_c0_config6();
+               /* Clear the old probability value */
+               config6 &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
                if (enable)
                        /* Enable FTLB */
-                       write_c0_config6(config6 | MIPS_CONF6_FTLBEN);
+                       write_c0_config6(config6 |
+                                        (calculate_ftlb_probability(c)
+                                         << MIPS_CONF6_FTLBP_SHIFT)
+                                        | MIPS_CONF6_FTLBEN);
                else
                        /* Disable FTLB */
                        write_c0_config6(config6 &  ~MIPS_CONF6_FTLBEN);
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 1d57605e4615..16f1e4f2bf3c 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -658,13 +658,13 @@ static int signal_setup(void)
                save_fp_context = _save_fp_context;
                restore_fp_context = _restore_fp_context;
        } else {
-               save_fp_context = copy_fp_from_sigcontext;
-               restore_fp_context = copy_fp_to_sigcontext;
+               save_fp_context = copy_fp_to_sigcontext;
+               restore_fp_context = copy_fp_from_sigcontext;
        }
 #endif /* CONFIG_SMP */
 #else
-       save_fp_context = copy_fp_from_sigcontext;;
-       restore_fp_context = copy_fp_to_sigcontext;
+       save_fp_context = copy_fp_to_sigcontext;
+       restore_fp_context = copy_fp_from_sigcontext;
 #endif
 
        return 0;
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index c17ef80cf65a..5d3238af9b5c 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -503,6 +503,7 @@
        STOREB(t0, NBYTES-2(dst), .Ls_exc_p1\@)
 .Ldone\@:
        jr      ra
+        nop
        .if __memcpy == 1
        END(memcpy)
        .set __memcpy, 0
diff --git a/arch/mips/loongson/common/Makefile 
b/arch/mips/loongson/common/Makefile
index 0bb9cc9dc621..d87e03330b29 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -11,7 +11,8 @@ obj-$(CONFIG_PCI) += pci.o
 # Serial port support
 #
 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-$(CONFIG_SERIAL_8250) += serial.o
+loongson-serial-$(CONFIG_SERIAL_8250) := serial.o
+obj-y += $(loongson-serial-m) $(loongson-serial-y)
 obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o
 obj-$(CONFIG_LOONGSON_MC146818) += rtc.o
 
diff --git a/arch/mips/loongson/loongson-3/numa.c 
b/arch/mips/loongson/loongson-3/numa.c
index 37ed184398c6..42323bcc5d28 100644
--- a/arch/mips/loongson/loongson-3/numa.c
+++ b/arch/mips/loongson/loongson-3/numa.c
@@ -33,6 +33,7 @@
 
 static struct node_data prealloc__node_data[MAX_NUMNODES];
 unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES];
+EXPORT_SYMBOL(__node_distances);
 struct node_data *__node_data[MAX_NUMNODES];
 EXPORT_SYMBOL(__node_data);
 
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index fa6ebd4bc9e9..c3917e251f59 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -299,6 +299,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned 
long address, pte_t pte)
 
        local_irq_save(flags);
 
+       htw_stop();
        pid = read_c0_entryhi() & ASID_MASK;
        address &= (PAGE_MASK << 1);
        write_c0_entryhi(address | pid);
@@ -346,6 +347,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned 
long address, pte_t pte)
                        tlb_write_indexed();
        }
        tlbw_use_hazard();
+       htw_start();
        flush_itlb_vm(vma);
        local_irq_restore(flags);
 }
@@ -422,6 +424,7 @@ __init int add_temporary_entry(unsigned long entrylo0, 
unsigned long entrylo1,
 
        local_irq_save(flags);
        /* Save old context and create impossible VPN2 value */
+       htw_stop();
        old_ctx = read_c0_entryhi();
        old_pagemask = read_c0_pagemask();
        wired = read_c0_wired();
@@ -443,6 +446,7 @@ __init int add_temporary_entry(unsigned long entrylo0, 
unsigned long entrylo1,
 
        write_c0_entryhi(old_ctx);
        write_c0_pagemask(old_pagemask);
+       htw_start();
 out:
        local_irq_restore(flags);
        return ret;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index b5f228e7eae6..e3328a96e809 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1872,8 +1872,16 @@ build_r4000_tlbchange_handler_head(u32 **p, struct 
uasm_label **l,
        uasm_l_smp_pgtable_change(l, *p);
 #endif
        iPTE_LW(p, wr.r1, wr.r2); /* get even pte */
-       if (!m4kc_tlbp_war())
+       if (!m4kc_tlbp_war()) {
                build_tlb_probe_entry(p);
+               if (cpu_has_htw) {
+                       /* race condition happens, leaving */
+                       uasm_i_ehb(p);
+                       uasm_i_mfc0(p, wr.r3, C0_INDEX);
+                       uasm_il_bltz(p, r, wr.r3, label_leave);
+                       uasm_i_nop(p);
+               }
+       }
        return wr;
 }
 
diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c
index 6854ed5097d2..83a1dfd8f0e3 100644
--- a/arch/mips/oprofile/backtrace.c
+++ b/arch/mips/oprofile/backtrace.c
@@ -92,7 +92,7 @@ static inline int unwind_user_frame(struct stackframe 
*old_frame,
                                /* This marks the end of the previous function,
                                   which means we overran. */
                                break;
-                       stack_size = (unsigned) stack_adjustment;
+                       stack_size = (unsigned long) stack_adjustment;
                } else if (is_ra_save_ins(&ip)) {
                        int ra_slot = ip.i_format.simmediate;
                        if (ra_slot < 0)
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index a95c00f5fb96..a304bcc37e4f 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -107,6 +107,7 @@ static void router_recurse(klrou_t *router_a, klrou_t 
*router_b, int depth)
 }
 
 unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
+EXPORT_SYMBOL(__node_distances);
 
 static int __init compute_node_distance(nasid_t nasid_a, nasid_t nasid_b)
 {
diff --git a/arch/powerpc/kernel/vdso32/getcpu.S 
b/arch/powerpc/kernel/vdso32/getcpu.S
index 23eb9a9441bd..c62be60c7274 100644
--- a/arch/powerpc/kernel/vdso32/getcpu.S
+++ b/arch/powerpc/kernel/vdso32/getcpu.S
@@ -30,8 +30,8 @@
 V_FUNCTION_BEGIN(__kernel_getcpu)
   .cfi_startproc
        mfspr   r5,SPRN_SPRG_VDSO_READ
-       cmpdi   cr0,r3,0
-       cmpdi   cr1,r4,0
+       cmpwi   cr0,r3,0
+       cmpwi   cr1,r4,0
        clrlwi  r6,r5,16
        rlwinm  r7,r5,16,31-15,31-0
        beq     cr0,1f
diff --git a/arch/powerpc/platforms/powernv/opal-hmi.c 
b/arch/powerpc/platforms/powernv/opal-hmi.c
index 5e1ed1575aab..b322bfb51343 100644
--- a/arch/powerpc/platforms/powernv/opal-hmi.c
+++ b/arch/powerpc/platforms/powernv/opal-hmi.c
@@ -57,7 +57,7 @@ static void print_hmi_event_info(struct OpalHMIEvent *hmi_evt)
        };
 
        /* Print things out */
-       if (hmi_evt->version != OpalHMIEvt_V1) {
+       if (hmi_evt->version < OpalHMIEvt_V1) {
                pr_err("HMI Interrupt, Unknown event version %d !\n",
                        hmi_evt->version);
                return;
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c 
b/arch/powerpc/platforms/powernv/pci-ioda.c
index df241b11d4f7..e65092842db1 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1311,7 +1311,6 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, 
struct pci_dev *dev,
                                  unsigned int is_64, struct msi_msg *msg)
 {
        struct pnv_ioda_pe *pe = pnv_ioda_get_pe(dev);
-       struct pci_dn *pdn = pci_get_pdn(dev);
        struct irq_data *idata;
        struct irq_chip *ichip;
        unsigned int xive_num = hwirq - phb->msi_base;
@@ -1327,7 +1326,7 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, 
struct pci_dev *dev,
                return -ENXIO;
 
        /* Force 32-bit MSI on some broken devices */
-       if (pdn && pdn->force_32bit_msi)
+       if (dev->no_64bit_msi)
                is_64 = 0;
 
        /* Assign XIVE to PE */
@@ -1815,7 +1814,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
        if (is_kdump_kernel()) {
                pr_info("  Issue PHB reset ...\n");
                ioda_eeh_phb_reset(hose, EEH_RESET_FUNDAMENTAL);
-               ioda_eeh_phb_reset(hose, OPAL_DEASSERT_RESET);
+               ioda_eeh_phb_reset(hose, EEH_RESET_DEACTIVATE);
        }
 
        /* Configure M64 window */
diff --git a/arch/powerpc/platforms/powernv/pci.c 
b/arch/powerpc/platforms/powernv/pci.c
index b854b57ed5e1..e7cf49c2dd05 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -1,3 +1,4 @@
+
 /*
  * Support PCI/PCIe on PowerNV platforms
  *
@@ -50,9 +51,8 @@ static int pnv_msi_check_device(struct pci_dev* pdev, int 
nvec, int type)
 {
        struct pci_controller *hose = pci_bus_to_host(pdev->bus);
        struct pnv_phb *phb = hose->private_data;
-       struct pci_dn *pdn = pci_get_pdn(pdev);
 
-       if (pdn && pdn->force_32bit_msi && !phb->msi32_support)
+       if (pdev->no_64bit_msi && !phb->msi32_support)
                return -ENODEV;
 
        return (phb && phb->msi_bmp.bitmap) ? 0 : -ENODEV;
diff --git a/arch/powerpc/platforms/pseries/msi.c 
b/arch/powerpc/platforms/pseries/msi.c
index 18ff4626d74e..6fd96d828a27 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -429,7 +429,7 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int 
nvec_in, int type)
         */
 again:
        if (type == PCI_CAP_ID_MSI) {
-               if (pdn->force_32bit_msi) {
+               if (pdev->no_64bit_msi) {
                        rc = rtas_change_msi(pdn, RTAS_CHANGE_32MSI_FN, nvec);
                        if (rc < 0) {
                                /*
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index b988b5addf86..c8efbb37d6e0 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -293,10 +293,10 @@ static inline void disable_surveillance(void)
        args.token = rtas_token("set-indicator");
        if (args.token == RTAS_UNKNOWN_SERVICE)
                return;
-       args.nargs = 3;
-       args.nret = 1;
+       args.nargs = cpu_to_be32(3);
+       args.nret = cpu_to_be32(1);
        args.rets = &args.args[3];
-       args.args[0] = SURVEILLANCE_TOKEN;
+       args.args[0] = cpu_to_be32(SURVEILLANCE_TOKEN);
        args.args[1] = 0;
        args.args[2] = 0;
        enter_rtas(__pa(&args));
diff --git a/arch/sparc/include/uapi/asm/swab.h 
b/arch/sparc/include/uapi/asm/swab.h
index a34ad079487e..4c7c12d69bea 100644
--- a/arch/sparc/include/uapi/asm/swab.h
+++ b/arch/sparc/include/uapi/asm/swab.h
@@ -9,9 +9,9 @@ static inline __u16 __arch_swab16p(const __u16 *addr)
 {
        __u16 ret;
 
-       __asm__ __volatile__ ("lduha [%1] %2, %0"
+       __asm__ __volatile__ ("lduha [%2] %3, %0"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PL));
+                             : "m" (*addr), "r" (addr), "i" (ASI_PL));
        return ret;
 }
 #define __arch_swab16p __arch_swab16p
@@ -20,9 +20,9 @@ static inline __u32 __arch_swab32p(const __u32 *addr)
 {
        __u32 ret;
 
-       __asm__ __volatile__ ("lduwa [%1] %2, %0"
+       __asm__ __volatile__ ("lduwa [%2] %3, %0"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PL));
+                             : "m" (*addr), "r" (addr), "i" (ASI_PL));
        return ret;
 }
 #define __arch_swab32p __arch_swab32p
@@ -31,9 +31,9 @@ static inline __u64 __arch_swab64p(const __u64 *addr)
 {
        __u64 ret;
 
-       __asm__ __volatile__ ("ldxa [%1] %2, %0"
+       __asm__ __volatile__ ("ldxa [%2] %3, %0"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PL));
+                             : "m" (*addr), "r" (addr), "i" (ASI_PL));
        return ret;
 }
 #define __arch_swab64p __arch_swab64p
diff --git a/arch/x86/include/asm/cpufeature.h 
b/arch/x86/include/asm/cpufeature.h
index bb9b258d60e7..2075e6c34c78 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -202,6 +202,7 @@
 #define X86_FEATURE_DECODEASSISTS ( 8*32+12) /* AMD Decode Assists support */
 #define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */
 #define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */
+#define X86_FEATURE_VMMCALL     ( 8*32+15) /* Prefer vmmcall to vmcall */
 
 
 /* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index c7678e43465b..e62cf897f781 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -2,6 +2,7 @@
 #define _ASM_X86_KVM_PARA_H
 
 #include <asm/processor.h>
+#include <asm/alternative.h>
 #include <uapi/asm/kvm_para.h>
 
 extern void kvmclock_init(void);
@@ -16,10 +17,15 @@ static inline bool kvm_check_and_clear_guest_paused(void)
 }
 #endif /* CONFIG_KVM_GUEST */
 
-/* This instruction is vmcall.  On non-VT architectures, it will generate a
- * trap that we will then rewrite to the appropriate instruction.
+#ifdef CONFIG_DEBUG_RODATA
+#define KVM_HYPERCALL \
+        ALTERNATIVE(".byte 0x0f,0x01,0xc1", ".byte 0x0f,0x01,0xd9", 
X86_FEATURE_VMMCALL)
+#else
+/* On AMD processors, vmcall will generate a trap that we will
+ * then rewrite to the appropriate instruction.
  */
 #define KVM_HYPERCALL ".byte 0x0f,0x01,0xc1"
+#endif
 
 /* For KVM hypercalls, a three-byte sequence of either the vmcall or the 
vmmcall
  * instruction.  The hypervisor may replace it with something else but only the
diff --git a/arch/x86/include/asm/page_32_types.h 
b/arch/x86/include/asm/page_32_types.h
index f48b17df4224..3a52ee0e726d 100644
--- a/arch/x86/include/asm/page_32_types.h
+++ b/arch/x86/include/asm/page_32_types.h
@@ -20,7 +20,6 @@
 #define THREAD_SIZE_ORDER      1
 #define THREAD_SIZE            (PAGE_SIZE << THREAD_SIZE_ORDER)
 
-#define STACKFAULT_STACK 0
 #define DOUBLEFAULT_STACK 1
 #define NMI_STACK 0
 #define DEBUG_STACK 0
diff --git a/arch/x86/include/asm/page_64_types.h 
b/arch/x86/include/asm/page_64_types.h
index 678205195ae1..75450b2c7be4 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -14,12 +14,11 @@
 #define IRQ_STACK_ORDER 2
 #define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER)
 
-#define STACKFAULT_STACK 1
-#define DOUBLEFAULT_STACK 2
-#define NMI_STACK 3
-#define DEBUG_STACK 4
-#define MCE_STACK 5
-#define N_EXCEPTION_STACKS 5  /* hw limit: 7 */
+#define DOUBLEFAULT_STACK 1
+#define NMI_STACK 2
+#define DEBUG_STACK 3
+#define MCE_STACK 4
+#define N_EXCEPTION_STACKS 4  /* hw limit: 7 */
 
 #define PUD_PAGE_SIZE          (_AC(1, UL) << PUD_SHIFT)
 #define PUD_PAGE_MASK          (~(PUD_PAGE_SIZE-1))
diff --git a/arch/x86/include/asm/thread_info.h 
b/arch/x86/include/asm/thread_info.h
index 854053889d4d..547e344a6dc6 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -141,7 +141,7 @@ struct thread_info {
 /* Only used for 64 bit */
 #define _TIF_DO_NOTIFY_MASK                                            \
        (_TIF_SIGPENDING | _TIF_MCE_NOTIFY | _TIF_NOTIFY_RESUME |       \
-        _TIF_USER_RETURN_NOTIFY)
+        _TIF_USER_RETURN_NOTIFY | _TIF_UPROBE)
 
 /* flags to check in __switch_to() */
 #define _TIF_WORK_CTXSW                                                        
\
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index bc8352e7010a..707adc6549d8 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -39,6 +39,7 @@ asmlinkage void simd_coprocessor_error(void);
 
 #ifdef CONFIG_TRACING
 asmlinkage void trace_page_fault(void);
+#define trace_stack_segment stack_segment
 #define trace_divide_error divide_error
 #define trace_bounds bounds
 #define trace_invalid_op invalid_op
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 60e5497681f5..813d29d00a17 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -525,6 +525,13 @@ static void early_init_amd(struct cpuinfo_x86 *c)
        }
 #endif
 
+       /*
+        * This is only needed to tell the kernel whether to use VMCALL
+        * and VMMCALL.  VMMCALL is never executed except under virt, so
+        * we can set it unconditionally.
+        */
+       set_cpu_cap(c, X86_FEATURE_VMMCALL);
+
        /* F16h erratum 793, CVE-2013-6885 */
        if (c->x86 == 0x16 && c->x86_model <= 0xf)
                msr_set_bit(MSR_AMD64_LS_CFG, 15);
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 31265580c38a..35db56b41317 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -146,6 +146,8 @@ EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
 
 static int __init x86_xsave_setup(char *s)
 {
+       if (strlen(s))
+               return 0;
        setup_clear_cpu_cap(X86_FEATURE_XSAVE);
        setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT);
        setup_clear_cpu_cap(X86_FEATURE_XSAVES);
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 1abcb50b48ae..ff86f19b5758 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -24,7 +24,6 @@ static char x86_stack_ids[][8] = {
                [ DEBUG_STACK-1                 ]       = "#DB",
                [ NMI_STACK-1                   ]       = "NMI",
                [ DOUBLEFAULT_STACK-1           ]       = "#DF",
-               [ STACKFAULT_STACK-1            ]       = "#SS",
                [ MCE_STACK-1                   ]       = "#MC",
 #if DEBUG_STKSZ > EXCEPTION_STKSZ
                [ N_EXCEPTION_STACKS ...
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 2fac1343a90b..b9dde27d8ad4 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -841,9 +841,15 @@ ENTRY(native_iret)
        jnz native_irq_return_ldt
 #endif
 
+.global native_irq_return_iret
 native_irq_return_iret:
+       /*
+        * This may fault.  Non-paranoid faults on return to userspace are
+        * handled by fixup_bad_iret.  These include #SS, #GP, and #NP.
+        * Double-faults due to espfix64 are handled in do_double_fault.
+        * Other faults here are fatal.
+        */
        iretq
-       _ASM_EXTABLE(native_irq_return_iret, bad_iret)
 
 #ifdef CONFIG_X86_ESPFIX64
 native_irq_return_ldt:
@@ -871,25 +877,6 @@ native_irq_return_ldt:
        jmp native_irq_return_iret
 #endif
 
-       .section .fixup,"ax"
-bad_iret:
-       /*
-        * The iret traps when the %cs or %ss being restored is bogus.
-        * We've lost the original trap vector and error code.
-        * #GPF is the most likely one to get for an invalid selector.
-        * So pretend we completed the iret and took the #GPF in user mode.
-        *
-        * We are now running with the kernel GS after exception recovery.
-        * But error_entry expects us to have user GS to match the user %cs,
-        * so swap back.
-        */
-       pushq $0
-
-       SWAPGS
-       jmp general_protection
-
-       .previous
-
        /* edi: workmask, edx: work */
 retint_careful:
        CFI_RESTORE_STATE
@@ -935,37 +922,6 @@ ENTRY(retint_kernel)
        CFI_ENDPROC
 END(common_interrupt)
 
-       /*
-        * If IRET takes a fault on the espfix stack, then we
-        * end up promoting it to a doublefault.  In that case,
-        * modify the stack to make it look like we just entered
-        * the #GP handler from user space, similar to bad_iret.
-        */
-#ifdef CONFIG_X86_ESPFIX64
-       ALIGN
-__do_double_fault:
-       XCPT_FRAME 1 RDI+8
-       movq RSP(%rdi),%rax             /* Trap on the espfix stack? */
-       sarq $PGDIR_SHIFT,%rax
-       cmpl $ESPFIX_PGD_ENTRY,%eax
-       jne do_double_fault             /* No, just deliver the fault */
-       cmpl $__KERNEL_CS,CS(%rdi)
-       jne do_double_fault
-       movq RIP(%rdi),%rax
-       cmpq $native_irq_return_iret,%rax
-       jne do_double_fault             /* This shouldn't happen... */
-       movq PER_CPU_VAR(kernel_stack),%rax
-       subq $(6*8-KERNEL_STACK_OFFSET),%rax    /* Reset to original stack */
-       movq %rax,RSP(%rdi)
-       movq $0,(%rax)                  /* Missing (lost) #GP error code */
-       movq $general_protection,RIP(%rdi)
-       retq
-       CFI_ENDPROC
-END(__do_double_fault)
-#else
-# define __do_double_fault do_double_fault
-#endif
-
 /*
  * APIC interrupts.
  */
@@ -1137,7 +1093,7 @@ idtentry overflow do_overflow has_error_code=0
 idtentry bounds do_bounds has_error_code=0
 idtentry invalid_op do_invalid_op has_error_code=0
 idtentry device_not_available do_device_not_available has_error_code=0
-idtentry double_fault __do_double_fault has_error_code=1 paranoid=1
+idtentry double_fault do_double_fault has_error_code=1 paranoid=1
 idtentry coprocessor_segment_overrun do_coprocessor_segment_overrun 
has_error_code=0
 idtentry invalid_TSS do_invalid_TSS has_error_code=1
 idtentry segment_not_present do_segment_not_present has_error_code=1
@@ -1302,7 +1258,7 @@ apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
 
 idtentry debug do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
 idtentry int3 do_int3 has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
-idtentry stack_segment do_stack_segment has_error_code=1 paranoid=1
+idtentry stack_segment do_stack_segment has_error_code=1
 #ifdef CONFIG_XEN
 idtentry xen_debug do_debug has_error_code=0
 idtentry xen_int3 do_int3 has_error_code=0
@@ -1412,17 +1368,16 @@ error_sti:
 
 /*
  * There are two places in the kernel that can potentially fault with
- * usergs. Handle them here. The exception handlers after iret run with
- * kernel gs again, so don't set the user space flag. B stepping K8s
- * sometimes report an truncated RIP for IRET exceptions returning to
- * compat mode. Check for these here too.
+ * usergs. Handle them here.  B stepping K8s sometimes report a
+ * truncated RIP for IRET exceptions returning to compat mode. Check
+ * for these here too.
  */
 error_kernelspace:
        CFI_REL_OFFSET rcx, RCX+8
        incl %ebx
        leaq native_irq_return_iret(%rip),%rcx
        cmpq %rcx,RIP+8(%rsp)
-       je error_swapgs
+       je error_bad_iret
        movl %ecx,%eax  /* zero extend */
        cmpq %rax,RIP+8(%rsp)
        je bstep_iret
@@ -1433,7 +1388,15 @@ error_kernelspace:
 bstep_iret:
        /* Fix truncated RIP */
        movq %rcx,RIP+8(%rsp)
-       jmp error_swapgs
+       /* fall through */
+
+error_bad_iret:
+       SWAPGS
+       mov %rsp,%rdi
+       call fixup_bad_iret
+       mov %rax,%rsp
+       decl %ebx       /* Return to usergs */
+       jmp error_sti
        CFI_ENDPROC
 END(error_entry)
 
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 0d0e922fafc1..de801f22128a 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -233,32 +233,40 @@ DO_ERROR(X86_TRAP_UD,     SIGILL,  "invalid opcode",      
        invalid_op)
 DO_ERROR(X86_TRAP_OLD_MF, SIGFPE,  "coprocessor segment 
overrun",coprocessor_segment_overrun)
 DO_ERROR(X86_TRAP_TS,     SIGSEGV, "invalid TSS",              invalid_TSS)
 DO_ERROR(X86_TRAP_NP,     SIGBUS,  "segment not present",      
segment_not_present)
-#ifdef CONFIG_X86_32
 DO_ERROR(X86_TRAP_SS,     SIGBUS,  "stack segment",            stack_segment)
-#endif
 DO_ERROR(X86_TRAP_AC,     SIGBUS,  "alignment check",          alignment_check)
 
 #ifdef CONFIG_X86_64
 /* Runs on IST stack */
-dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
-{
-       enum ctx_state prev_state;
-
-       prev_state = exception_enter();
-       if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
-                      X86_TRAP_SS, SIGBUS) != NOTIFY_STOP) {
-               preempt_conditional_sti(regs);
-               do_trap(X86_TRAP_SS, SIGBUS, "stack segment", regs, error_code, 
NULL);
-               preempt_conditional_cli(regs);
-       }
-       exception_exit(prev_state);
-}
-
 dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
 {
        static const char str[] = "double fault";
        struct task_struct *tsk = current;
 
+#ifdef CONFIG_X86_ESPFIX64
+       extern unsigned char native_irq_return_iret[];
+
+       /*
+        * If IRET takes a non-IST fault on the espfix64 stack, then we
+        * end up promoting it to a doublefault.  In that case, modify
+        * the stack to make it look like we just entered the #GP
+        * handler from user space, similar to bad_iret.
+        */
+       if (((long)regs->sp >> PGDIR_SHIFT) == ESPFIX_PGD_ENTRY &&
+               regs->cs == __KERNEL_CS &&
+               regs->ip == (unsigned long)native_irq_return_iret)
+       {
+               struct pt_regs *normal_regs = task_pt_regs(current);
+
+               /* Fake a #GP(0) from userspace. */
+               memmove(&normal_regs->ip, (void *)regs->sp, 5*8);
+               normal_regs->orig_ax = 0;  /* Missing (lost) #GP error code */
+               regs->ip = (unsigned long)general_protection;
+               regs->sp = (unsigned long)&normal_regs->orig_ax;
+               return;
+       }
+#endif
+
        exception_enter();
        /* Return not checked because double check cannot be ignored */
        notify_die(DIE_TRAP, str, regs, error_code, X86_TRAP_DF, SIGSEGV);
@@ -399,6 +407,35 @@ asmlinkage __visible struct pt_regs *sync_regs(struct 
pt_regs *eregs)
        return regs;
 }
 NOKPROBE_SYMBOL(sync_regs);
+
+struct bad_iret_stack {
+       void *error_entry_ret;
+       struct pt_regs regs;
+};
+
+asmlinkage __visible
+struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s)
+{
+       /*
+        * This is called from entry_64.S early in handling a fault
+        * caused by a bad iret to user mode.  To handle the fault
+        * correctly, we want move our stack frame to task_pt_regs
+        * and we want to pretend that the exception came from the
+        * iret target.
+        */
+       struct bad_iret_stack *new_stack =
+               container_of(task_pt_regs(current),
+                            struct bad_iret_stack, regs);
+
+       /* Copy the IRET target to the new stack. */
+       memmove(&new_stack->regs.ip, (void *)s->regs.sp, 5*8);
+
+       /* Copy the remainder of the stack from the current stack. */
+       memmove(new_stack, s, offsetof(struct bad_iret_stack, regs.ip));
+
+       BUG_ON(!user_mode_vm(&new_stack->regs));
+       return new_stack;
+}
 #endif
 
 /*
@@ -778,7 +815,7 @@ void __init trap_init(void)
        set_intr_gate(X86_TRAP_OLD_MF, coprocessor_segment_overrun);
        set_intr_gate(X86_TRAP_TS, invalid_TSS);
        set_intr_gate(X86_TRAP_NP, segment_not_present);
-       set_intr_gate_ist(X86_TRAP_SS, &stack_segment, STACKFAULT_STACK);
+       set_intr_gate(X86_TRAP_SS, stack_segment);
        set_intr_gate(X86_TRAP_GP, general_protection);
        set_intr_gate(X86_TRAP_SPURIOUS, spurious_interrupt_bug);
        set_intr_gate(X86_TRAP_MF, coprocessor_error);
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5621c47d7a1a..ac7de5f0fba7 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1111,7 +1111,7 @@ void mark_rodata_ro(void)
        unsigned long end = (unsigned long) &__end_rodata_hpage_align;
        unsigned long text_end = PFN_ALIGN(&__stop___ex_table);
        unsigned long rodata_end = PFN_ALIGN(&__end_rodata);
-       unsigned long all_end = PFN_ALIGN(&_end);
+       unsigned long all_end;
 
        printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
               (end - start) >> 10);
@@ -1122,7 +1122,16 @@ void mark_rodata_ro(void)
        /*
         * The rodata/data/bss/brk section (but not the kernel text!)
         * should also be not-executable.
+        *
+        * We align all_end to PMD_SIZE because the existing mapping
+        * is a full PMD. If we would align _brk_end to PAGE_SIZE we
+        * split the PMD and the reminder between _brk_end and the end
+        * of the PMD will remain mapped executable.
+        *
+        * Any PMD which was setup after the one which covers _brk_end
+        * has been zapped already via cleanup_highmem().
         */
+       all_end = roundup((unsigned long)_brk_end, PMD_SIZE);
        set_memory_nx(rodata_start, (all_end - rodata_start) >> PAGE_SHIFT);
 
        rodata_test();
diff --git a/arch/x86/tools/calc_run_size.pl b/arch/x86/tools/calc_run_size.pl
index 0b0b124d3ece..23210baade2d 100644
--- a/arch/x86/tools/calc_run_size.pl
+++ b/arch/x86/tools/calc_run_size.pl
@@ -19,7 +19,16 @@ while (<>) {
                if ($file_offset == 0) {
                        $file_offset = $offset;
                } elsif ($file_offset != $offset) {
-                       die ".bss and .brk lack common file offset\n";
+                       # BFD linker shows the same file offset in ELF.
+                       # Gold linker shows them as consecutive.
+                       next if ($file_offset + $mem_size == $offset + $size);
+
+                       printf STDERR "file_offset: 0x%lx\n", $file_offset;
+                       printf STDERR "mem_size: 0x%lx\n", $mem_size;
+                       printf STDERR "offset: 0x%lx\n", $offset;
+                       printf STDERR "size: 0x%lx\n", $size;
+
+                       die ".bss and .brk are non-contiguous\n";
                }
        }
 }
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 5e9cbd664286..7462ad1675c0 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -877,7 +877,7 @@ int acpi_dev_suspend_late(struct device *dev)
                return 0;
 
        target_state = acpi_target_system_state();
-       wakeup = device_may_wakeup(dev);
+       wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev);
        error = acpi_device_wakeup(adev, target_state, wakeup);
        if (wakeup && error)
                return error;
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index c874859b4565..cf79c4cdf955 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -299,11 +299,11 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec 
*ec,
        /* following two actions should be kept atomic */
        ec->curr = t;
        start_transaction(ec);
+       if (ec->curr->command == ACPI_EC_COMMAND_QUERY)
+               clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
        spin_unlock_irqrestore(&ec->lock, tmp);
        ret = ec_poll(ec);
        spin_lock_irqsave(&ec->lock, tmp);
-       if (ec->curr->command == ACPI_EC_COMMAND_QUERY)
-               clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
        ec->curr = NULL;
        spin_unlock_irqrestore(&ec->lock, tmp);
        return ret;
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 18a9de29df0e..c0a842b335c5 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -263,6 +263,14 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned 
long rate,
        if (!rate)
                rate = 1;
 
+       /* if read only, just return current value */
+       if (divider->flags & CLK_DIVIDER_READ_ONLY) {
+               bestdiv = readl(divider->reg) >> divider->shift;
+               bestdiv &= div_mask(divider);
+               bestdiv = _get_div(divider, bestdiv);
+               return bestdiv;
+       }
+
        maxdiv = _get_maxdiv(divider);
 
        if (!(__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT)) {
@@ -361,11 +369,6 @@ const struct clk_ops clk_divider_ops = {
 };
 EXPORT_SYMBOL_GPL(clk_divider_ops);
 
-const struct clk_ops clk_divider_ro_ops = {
-       .recalc_rate = clk_divider_recalc_rate,
-};
-EXPORT_SYMBOL_GPL(clk_divider_ro_ops);
-
 static struct clk *_register_divider(struct device *dev, const char *name,
                const char *parent_name, unsigned long flags,
                void __iomem *reg, u8 shift, u8 width,
@@ -391,10 +394,7 @@ static struct clk *_register_divider(struct device *dev, 
const char *name,
        }
 
        init.name = name;
-       if (clk_divider_flags & CLK_DIVIDER_READ_ONLY)
-               init.ops = &clk_divider_ro_ops;
-       else
-               init.ops = &clk_divider_ops;
+       init.ops = &clk_divider_ops;
        init.flags = flags | CLK_IS_BASIC;
        init.parent_names = (parent_name ? &parent_name: NULL);
        init.num_parents = (parent_name ? 1 : 0);
diff --git a/drivers/clk/qcom/mmcc-apq8084.c b/drivers/clk/qcom/mmcc-apq8084.c
index 751eea376a2b..2e0526acbd4c 100644
--- a/drivers/clk/qcom/mmcc-apq8084.c
+++ b/drivers/clk/qcom/mmcc-apq8084.c
@@ -3122,7 +3122,7 @@ static struct clk_regmap *mmcc_apq8084_clocks[] = {
        [ESC1_CLK_SRC] = &esc1_clk_src.clkr,
        [HDMI_CLK_SRC] = &hdmi_clk_src.clkr,
        [VSYNC_CLK_SRC] = &vsync_clk_src.clkr,
-       [RBCPR_CLK_SRC] = &rbcpr_clk_src.clkr,
+       [MMSS_RBCPR_CLK_SRC] = &rbcpr_clk_src.clkr,
        [RBBMTIMER_CLK_SRC] = &rbbmtimer_clk_src.clkr,
        [MAPLE_CLK_SRC] = &maple_clk_src.clkr,
        [VDP_CLK_SRC] = &vdp_clk_src.clkr,
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 278cf9dd1e23..a8b3db5cf641 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -89,9 +89,7 @@ struct clk *rockchip_clk_register_branch(const char *name,
                div->width = div_width;
                div->lock = lock;
                div->table = div_table;
-               div_ops = (div_flags & CLK_DIVIDER_READ_ONLY)
-                                               ? &clk_divider_ro_ops
-                                               : &clk_divider_ops;
+               div_ops = &clk_divider_ops;
        }
 
        clk = clk_register_composite(NULL, name, parent_names, num_parents,
diff --git a/drivers/clocksource/sun4i_timer.c 
b/drivers/clocksource/sun4i_timer.c
index efb17c3ee120..f4a9c0058b4d 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -182,6 +182,12 @@ static void __init sun4i_timer_init(struct device_node 
*node)
        /* Make sure timer is stopped before playing with interrupts */
        sun4i_clkevt_time_stop(0);
 
+       sun4i_clockevent.cpumask = cpu_possible_mask;
+       sun4i_clockevent.irq = irq;
+
+       clockevents_config_and_register(&sun4i_clockevent, rate,
+                                       TIMER_SYNC_TICKS, 0xffffffff);
+
        ret = setup_irq(irq, &sun4i_timer_irq);
        if (ret)
                pr_warn("failed to setup irq %d\n", irq);
@@ -189,12 +195,6 @@ static void __init sun4i_timer_init(struct device_node 
*node)
        /* Enable timer0 interrupt */
        val = readl(timer_base + TIMER_IRQ_EN_REG);
        writel(val | TIMER_IRQ_EN(0), timer_base + TIMER_IRQ_EN_REG);
-
-       sun4i_clockevent.cpumask = cpu_possible_mask;
-       sun4i_clockevent.irq = irq;
-
-       clockevents_config_and_register(&sun4i_clockevent, rate,
-                                       TIMER_SYNC_TICKS, 0xffffffff);
 }
 CLOCKSOURCE_OF_DECLARE(sun4i, "allwinner,sun4i-a10-timer",
                       sun4i_timer_init);
diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index 1f92a56fd2b6..08ebf289a7fc 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -230,30 +230,25 @@ static inline void sun6i_dma_dump_chan_regs(struct 
sun6i_dma_dev *sdev,
                readl(pchan->base + DMA_CHAN_CUR_PARA));
 }
 
-static inline int convert_burst(u32 maxburst, u8 *burst)
+static inline s8 convert_burst(u32 maxburst)
 {
        switch (maxburst) {
        case 1:
-               *burst = 0;
-               break;
+               return 0;
        case 8:
-               *burst = 2;
-               break;
+               return 2;
        default:
                return -EINVAL;
        }
-
-       return 0;
 }
 
-static inline int convert_buswidth(enum dma_slave_buswidth addr_width, u8 
*width)
+static inline s8 convert_buswidth(enum dma_slave_buswidth addr_width)
 {
        if ((addr_width < DMA_SLAVE_BUSWIDTH_1_BYTE) ||
            (addr_width > DMA_SLAVE_BUSWIDTH_4_BYTES))
                return -EINVAL;
 
-       *width = addr_width >> 1;
-       return 0;
+       return addr_width >> 1;
 }
 
 static void *sun6i_dma_lli_add(struct sun6i_dma_lli *prev,
@@ -284,26 +279,25 @@ static inline int sun6i_dma_cfg_lli(struct sun6i_dma_lli 
*lli,
                                    struct dma_slave_config *config)
 {
        u8 src_width, dst_width, src_burst, dst_burst;
-       int ret;
 
        if (!config)
                return -EINVAL;
 
-       ret = convert_burst(config->src_maxburst, &src_burst);
-       if (ret)
-               return ret;
+       src_burst = convert_burst(config->src_maxburst);
+       if (src_burst)
+               return src_burst;
 
-       ret = convert_burst(config->dst_maxburst, &dst_burst);
-       if (ret)
-               return ret;
+       dst_burst = convert_burst(config->dst_maxburst);
+       if (dst_burst)
+               return dst_burst;
 
-       ret = convert_buswidth(config->src_addr_width, &src_width);
-       if (ret)
-               return ret;
+       src_width = convert_buswidth(config->src_addr_width);
+       if (src_width)
+               return src_width;
 
-       ret = convert_buswidth(config->dst_addr_width, &dst_width);
-       if (ret)
-               return ret;
+       dst_width = convert_buswidth(config->dst_addr_width);
+       if (dst_width)
+               return dst_width;
 
        lli->cfg = DMA_CHAN_CFG_SRC_BURST(src_burst) |
                DMA_CHAN_CFG_SRC_WIDTH(src_width) |
@@ -542,11 +536,10 @@ static struct dma_async_tx_descriptor 
*sun6i_dma_prep_dma_memcpy(
 {
        struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device);
        struct sun6i_vchan *vchan = to_sun6i_vchan(chan);
-       struct dma_slave_config *sconfig = &vchan->cfg;
        struct sun6i_dma_lli *v_lli;
        struct sun6i_desc *txd;
        dma_addr_t p_lli;
-       int ret;
+       s8 burst, width;
 
        dev_dbg(chan2dev(chan),
                "%s; chan: %d, dest: %pad, src: %pad, len: %zu. flags: 
0x%08lx\n",
@@ -565,14 +558,21 @@ static struct dma_async_tx_descriptor 
*sun6i_dma_prep_dma_memcpy(
                goto err_txd_free;
        }
 
-       ret = sun6i_dma_cfg_lli(v_lli, src, dest, len, sconfig);
-       if (ret)
-               goto err_dma_free;
+       v_lli->src = src;
+       v_lli->dst = dest;
+       v_lli->len = len;
+       v_lli->para = NORMAL_WAIT;
 
+       burst = convert_burst(8);
+       width = convert_buswidth(DMA_SLAVE_BUSWIDTH_4_BYTES);
        v_lli->cfg |= DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) |
                DMA_CHAN_CFG_DST_DRQ(DRQ_SDRAM) |
                DMA_CHAN_CFG_DST_LINEAR_MODE |
-               DMA_CHAN_CFG_SRC_LINEAR_MODE;
+               DMA_CHAN_CFG_SRC_LINEAR_MODE |
+               DMA_CHAN_CFG_SRC_BURST(burst) |
+               DMA_CHAN_CFG_SRC_WIDTH(width) |
+               DMA_CHAN_CFG_DST_BURST(burst) |
+               DMA_CHAN_CFG_DST_WIDTH(width);
 
        sun6i_dma_lli_add(NULL, v_lli, p_lli, txd);
 
@@ -580,8 +580,6 @@ static struct dma_async_tx_descriptor 
*sun6i_dma_prep_dma_memcpy(
 
        return vchan_tx_prep(&vchan->vc, &txd->vd, flags);
 
-err_dma_free:
-       dma_pool_free(sdev->pool, v_lli, p_lli);
 err_txd_free:
        kfree(txd);
        return NULL;
@@ -938,6 +936,7 @@ static int sun6i_dma_probe(struct platform_device *pdev)
        sdc->slave.device_prep_dma_memcpy       = sun6i_dma_prep_dma_memcpy;
        sdc->slave.device_control               = sun6i_dma_control;
        sdc->slave.chancnt                      = NR_MAX_VCHANS;
+       sdc->slave.copy_align                   = 4;
 
        sdc->slave.dev = &pdev->dev;
 
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9933c26017ed..2d23e578edd1 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1670,15 +1670,17 @@ int i915_driver_load(struct drm_device *dev, unsigned 
long flags)
                goto out_regs;
 
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-               ret = i915_kick_out_vgacon(dev_priv);
+               /* WARNING: Apparently we must kick fbdev drivers before vgacon,
+                * otherwise the vga fbdev driver falls over. */
+               ret = i915_kick_out_firmware_fb(dev_priv);
                if (ret) {
-                       DRM_ERROR("failed to remove conflicting VGA console\n");
+                       DRM_ERROR("failed to remove conflicting framebuffer 
drivers\n");
                        goto out_gtt;
                }
 
-               ret = i915_kick_out_firmware_fb(dev_priv);
+               ret = i915_kick_out_vgacon(dev_priv);
                if (ret) {
-                       DRM_ERROR("failed to remove conflicting framebuffer 
drivers\n");
+                       DRM_ERROR("failed to remove conflicting VGA console\n");
                        goto out_gtt;
                }
        }
diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index b71a02663bae..7bd17b3ee95c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9217,6 +9217,10 @@ static bool page_flip_finished(struct intel_crtc *crtc)
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
 
+       if (i915_reset_in_progress(&dev_priv->gpu_error) ||
+           crtc->reset_counter != 
atomic_read(&dev_priv->gpu_error.reset_counter))
+               return true;
+
        /*
         * The relevant registers doen't exist on pre-ctg.
         * As the flip done interrupt doesn't trigger for mmio
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4b3c09636990..1b7375efc670 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4084,6 +4084,18 @@ intel_dp_hpd_pulse(struct intel_digital_port 
*intel_dig_port, bool long_hpd)
        if (intel_dig_port->base.type != INTEL_OUTPUT_EDP)
                intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT;
 
+       if (long_hpd && intel_dig_port->base.type == INTEL_OUTPUT_EDP) {
+               /*
+                * vdd off can generate a long pulse on eDP which
+                * would require vdd on to handle it, and thus we
+                * would end up in an endless cycle of
+                * "vdd off -> long hpd -> vdd on -> detect -> vdd off -> ..."
+                */
+               DRM_DEBUG_KMS("ignoring long hpd on eDP port %c\n",
+                             port_name(intel_dig_port->port));
+               return false;
+       }
+
        DRM_DEBUG_KMS("got hpd irq on port %d - %s\n", intel_dig_port->port,
                      long_hpd ? "long" : "short");
 
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 40c12295c0bd..1924b5632c6f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5247,11 +5247,6 @@ static void gen6_init_clock_gating(struct drm_device 
*dev)
        I915_WRITE(_3D_CHICKEN,
                   
_MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB));
 
-       /* WaSetupGtModeTdRowDispatch:snb */
-       if (IS_SNB_GT1(dev))
-               I915_WRITE(GEN6_GT_MODE,
-                          
_MASKED_BIT_ENABLE(GEN6_TD_FOUR_ROW_DISPATCH_DISABLE));
-
        /* WaDisable_RenderCache_OperationalFlush:snb */
        I915_WRITE(CACHE_MODE_0, _MASKED_BIT_DISABLE(RC_OP_FLUSH_ENABLE));
 
diff --git a/drivers/gpu/drm/radeon/dce3_1_afmt.c 
b/drivers/gpu/drm/radeon/dce3_1_afmt.c
index 71f4d26669cd..13a27d971d35 100644
--- a/drivers/gpu/drm/radeon/dce3_1_afmt.c
+++ b/drivers/gpu/drm/radeon/dce3_1_afmt.c
@@ -32,7 +32,7 @@ static void dce3_2_afmt_write_speaker_allocation(struct 
drm_encoder *encoder)
        struct drm_connector *connector;
        struct radeon_connector *radeon_connector = NULL;
        u32 tmp;
-       u8 *sadb;
+       u8 *sadb = NULL;
        int sad_count;
 
        list_for_each_entry(connector, 
&encoder->dev->mode_config.connector_list, head) {
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c 
b/drivers/gpu/drm/radeon/dce6_afmt.c
index 790d8cafdb87..88dd17955db3 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -155,7 +155,7 @@ void dce6_afmt_write_speaker_allocation(struct drm_encoder 
*encoder)
        struct drm_connector *connector;
        struct radeon_connector *radeon_connector = NULL;
        u32 offset, tmp;
-       u8 *sadb;
+       u8 *sadb = NULL;
        int sad_count;
 
        if (!dig || !dig->afmt || !dig->afmt->pin)
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c 
b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 71ebdf89fd76..993978051ede 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -102,7 +102,7 @@ static void dce4_afmt_write_speaker_allocation(struct 
drm_encoder *encoder)
        struct drm_connector *connector;
        struct radeon_connector *radeon_connector = NULL;
        u32 tmp;
-       u8 *sadb;
+       u8 *sadb = NULL;
        int sad_count;
 
        list_for_each_entry(connector, 
&encoder->dev->mode_config.connector_list, head) {
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c 
b/drivers/gpu/drm/radeon/r600_dpm.c
index 9c61b74ef441..e961be55348a 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -1255,7 +1255,7 @@ int r600_parse_extended_power_table(struct radeon_device 
*rdev)
                                        (mode_info->atom_context->bios + 
data_offset +
                                         
le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
                                
rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
-                                       ppt->usMaximumPowerDeliveryLimit;
+                                       
le16_to_cpu(ppt->usMaximumPowerDeliveryLimit);
                                pt = &ppt->power_tune_table;
                        } else {
                                ATOM_PPLIB_POWERTUNE_Table *ppt = 
(ATOM_PPLIB_POWERTUNE_Table *)
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c 
b/drivers/gpu/drm/radeon/radeon_connectors.c
index 300c4b3d4669..26baa9c05f6c 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -322,6 +322,12 @@ static void radeon_connector_get_edid(struct drm_connector 
*connector)
        }
 
        if (!radeon_connector->edid) {
+               /* don't fetch the edid from the vbios if ddc fails and runpm is
+                * enabled so we report disconnected.
+                */
+               if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
+                       return;
+
                if (rdev->is_atom_bios) {
                        /* some laptops provide a hardcoded edid in rom for 
LCDs */
                        if (((connector->connector_type == 
DRM_MODE_CONNECTOR_LVDS) ||
@@ -826,6 +832,8 @@ static int radeon_lvds_mode_valid(struct drm_connector 
*connector,
 static enum drm_connector_status
 radeon_lvds_detect(struct drm_connector *connector, bool force)
 {
+       struct drm_device *dev = connector->dev;
+       struct radeon_device *rdev = dev->dev_private;
        struct radeon_connector *radeon_connector = 
to_radeon_connector(connector);
        struct drm_encoder *encoder = radeon_best_single_encoder(connector);
        enum drm_connector_status ret = connector_status_disconnected;
@@ -842,7 +850,11 @@ radeon_lvds_detect(struct drm_connector *connector, bool 
force)
                /* check if panel is valid */
                if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 
240)
                        ret = connector_status_connected;
-
+               /* don't fetch the edid from the vbios if ddc fails and runpm is
+                * enabled so we report disconnected.
+                */
+               if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
+                       ret = connector_status_disconnected;
        }
 
        /* check for edid as well */
@@ -1589,6 +1601,11 @@ radeon_dp_detect(struct drm_connector *connector, bool 
force)
                        /* check if panel is valid */
                        if (native_mode->hdisplay >= 320 && 
native_mode->vdisplay >= 240)
                                ret = connector_status_connected;
+                       /* don't fetch the edid from the vbios if ddc fails and 
runpm is
+                        * enabled so we report disconnected.
+                        */
+                       if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm 
!= 0))
+                               ret = connector_status_disconnected;
                }
                /* eDP is always DP */
                radeon_dig_connector->dp_sink_type = 
CONNECTOR_OBJECT_ID_DISPLAYPORT;
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c 
b/drivers/gpu/drm/radeon/radeon_encoders.c
index 15edf23b465c..1ca64b615fc0 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -179,6 +179,9 @@ static void radeon_encoder_add_backlight(struct 
radeon_encoder *radeon_encoder,
                    (rdev->pdev->subsystem_vendor == 0x1734) &&
                    (rdev->pdev->subsystem_device == 0x1107))
                        use_bl = false;
+               /* disable native backlight control on older asics */
+               else if (rdev->family < CHIP_R600)
+                       use_bl = false;
                else
                        use_bl = true;
        }
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c 
b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 16807afab362..c74f12d125f7 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -202,6 +202,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
        if (rdev->flags & RADEON_IS_AGP)
                return false;
 
+       /*
+        * Older chips have a HW limitation, they can only generate 40 bits
+        * of address for "64-bit" MSIs which breaks on some platforms, notably
+        * IBM POWER servers, so we limit them
+        */
+       if (rdev->family < CHIP_BONAIRE) {
+               dev_info(rdev->dev, "radeon: MSI limited to 32-bit\n");
+               rdev->pdev->no_64bit_msi = 1;
+       }
+
        /* force MSI on */
        if (radeon_msi == 1)
                return true;
diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c
index 6aac695b1688..9b55e673b67c 100644
--- a/drivers/hwmon/g762.c
+++ b/drivers/hwmon/g762.c
@@ -1084,10 +1084,8 @@ static int g762_probe(struct i2c_client *client, const 
struct i2c_device_id *id)
        if (ret)
                goto clock_dis;
 
-       data->hwmon_dev = devm_hwmon_device_register_with_groups(dev,
-                                                                client->name,
-                                                                data,
-                                                                g762_groups);
+       data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name,
+                                                           data, g762_groups);
        if (IS_ERR(data->hwmon_dev)) {
                ret = PTR_ERR(data->hwmon_dev);
                goto clock_dis;
diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c
index b58d6302521f..d095efe1ba14 100644
--- a/drivers/iio/adc/men_z188_adc.c
+++ b/drivers/iio/adc/men_z188_adc.c
@@ -152,6 +152,7 @@ static void men_z188_remove(struct mcb_device *dev)
 
 static const struct mcb_device_id men_z188_ids[] = {
        { .device = 0xbc },
+       { }
 };
 MODULE_DEVICE_TABLE(mcb, men_z188_ids);
 
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c 
b/drivers/infiniband/ulp/isert/ib_isert.c
index 4d35bc71e2d6..ed41a19907d3 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -115,9 +115,12 @@ isert_conn_setup_qp(struct isert_conn *isert_conn, struct 
rdma_cm_id *cma_id,
        attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS;
        /*
         * FIXME: Use devattr.max_sge - 2 for max_send_sge as
-        * work-around for RDMA_READ..
+        * work-around for RDMA_READs with ConnectX-2.
+        *
+        * Also, still make sure to have at least two SGEs for
+        * outgoing control PDU responses.
         */
-       attr.cap.max_send_sge = device->dev_attr.max_sge - 2;
+       attr.cap.max_send_sge = max(2, device->dev_attr.max_sge - 2);
        isert_conn->max_sge = attr.cap.max_send_sge;
 
        attr.cap.max_recv_sge = 1;
@@ -225,12 +228,16 @@ isert_create_device_ib_res(struct isert_device *device)
        struct isert_cq_desc *cq_desc;
        struct ib_device_attr *dev_attr;
        int ret = 0, i, j;
+       int max_rx_cqe, max_tx_cqe;
 
        dev_attr = &device->dev_attr;
        ret = isert_query_device(ib_dev, dev_attr);
        if (ret)
                return ret;
 
+       max_rx_cqe = min(ISER_MAX_RX_CQ_LEN, dev_attr->max_cqe);
+       max_tx_cqe = min(ISER_MAX_TX_CQ_LEN, dev_attr->max_cqe);
+
        /* asign function handlers */
        if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS &&
            dev_attr->device_cap_flags & IB_DEVICE_SIGNATURE_HANDOVER) {
@@ -272,7 +279,7 @@ isert_create_device_ib_res(struct isert_device *device)
                                                isert_cq_rx_callback,
                                                isert_cq_event_callback,
                                                (void *)&cq_desc[i],
-                                               ISER_MAX_RX_CQ_LEN, i);
+                                               max_rx_cqe, i);
                if (IS_ERR(device->dev_rx_cq[i])) {
                        ret = PTR_ERR(device->dev_rx_cq[i]);
                        device->dev_rx_cq[i] = NULL;
@@ -284,7 +291,7 @@ isert_create_device_ib_res(struct isert_device *device)
                                                isert_cq_tx_callback,
                                                isert_cq_event_callback,
                                                (void *)&cq_desc[i],
-                                               ISER_MAX_TX_CQ_LEN, i);
+                                               max_tx_cqe, i);
                if (IS_ERR(device->dev_tx_cq[i])) {
                        ret = PTR_ERR(device->dev_tx_cq[i]);
                        device->dev_tx_cq[i] = NULL;
@@ -803,14 +810,25 @@ wake_up:
        complete(&isert_conn->conn_wait);
 }
 
-static void
+static int
 isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect)
 {
-       struct isert_conn *isert_conn = (struct isert_conn *)cma_id->context;
+       struct isert_conn *isert_conn;
+
+       if (!cma_id->qp) {
+               struct isert_np *isert_np = cma_id->context;
+
+               isert_np->np_cm_id = NULL;
+               return -1;
+       }
+
+       isert_conn = (struct isert_conn *)cma_id->context;
 
        isert_conn->disconnect = disconnect;
        INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work);
        schedule_work(&isert_conn->conn_logout_work);
+
+       return 0;
 }
 
 static int
@@ -825,6 +843,9 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct 
rdma_cm_event *event)
        switch (event->event) {
        case RDMA_CM_EVENT_CONNECT_REQUEST:
                ret = isert_connect_request(cma_id, event);
+               if (ret)
+                       pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x 
%d\n",
+                               event->event, ret);
                break;
        case RDMA_CM_EVENT_ESTABLISHED:
                isert_connected_handler(cma_id);
@@ -834,7 +855,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct 
rdma_cm_event *event)
        case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */
                disconnect = true;
        case RDMA_CM_EVENT_TIMEWAIT_EXIT:  /* FALLTHRU */
-               isert_disconnected_handler(cma_id, disconnect);
+               ret = isert_disconnected_handler(cma_id, disconnect);
                break;
        case RDMA_CM_EVENT_CONNECT_ERROR:
        default:
@@ -842,12 +863,6 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct 
rdma_cm_event *event)
                break;
        }
 
-       if (ret != 0) {
-               pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x %d\n",
-                      event->event, ret);
-               dump_stack();
-       }
-
        return ret;
 }
 
@@ -3203,7 +3218,8 @@ isert_free_np(struct iscsi_np *np)
 {
        struct isert_np *isert_np = (struct isert_np *)np->np_context;
 
-       rdma_destroy_id(isert_np->np_cm_id);
+       if (isert_np->np_cm_id)
+               rdma_destroy_id(isert_np->np_cm_id);
 
        np->np_context = NULL;
        kfree(isert_np);
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c 
b/drivers/infiniband/ulp/srpt/ib_srpt.c
index d28a8c284da9..d1042ebf43bc 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -2092,6 +2092,7 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
        if (!qp_init)
                goto out;
 
+retry:
        ch->cq = ib_create_cq(sdev->device, srpt_completion, NULL, ch,
                              ch->rq_size + srp_sq_size, 0);
        if (IS_ERR(ch->cq)) {
@@ -2115,6 +2116,13 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
        ch->qp = ib_create_qp(sdev->pd, qp_init);
        if (IS_ERR(ch->qp)) {
                ret = PTR_ERR(ch->qp);
+               if (ret == -ENOMEM) {
+                       srp_sq_size /= 2;
+                       if (srp_sq_size >= MIN_SRPT_SQ_SIZE) {
+                               ib_destroy_cq(ch->cq);
+                               goto retry;
+                       }
+               }
                printk(KERN_ERR "failed to create_qp ret= %d\n", ret);
                goto err_destroy_cq;
        }
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 177602cf7079..e65d9c0241a9 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -1143,9 +1143,19 @@ static int xpad_probe(struct usb_interface *intf, const 
struct usb_device_id *id
                }
 
                ep_irq_in = &intf->cur_altsetting->endpoint[1].desc;
-               usb_fill_bulk_urb(xpad->bulk_out, udev,
-                               usb_sndbulkpipe(udev, 
ep_irq_in->bEndpointAddress),
-                               xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);
+               if (usb_endpoint_is_bulk_out(ep_irq_in)) {
+                       usb_fill_bulk_urb(xpad->bulk_out, udev,
+                                         usb_sndbulkpipe(udev,
+                                                         
ep_irq_in->bEndpointAddress),
+                                         xpad->bdata, XPAD_PKT_LEN,
+                                         xpad_bulk_out, xpad);
+               } else {
+                       usb_fill_int_urb(xpad->bulk_out, udev,
+                                        usb_sndintpipe(udev,
+                                                       
ep_irq_in->bEndpointAddress),
+                                        xpad->bdata, XPAD_PKT_LEN,
+                                        xpad_bulk_out, xpad, 0);
+               }
 
                /*
                 * Submit the int URB immediately rather than waiting for open
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 2e8f3ba7b2bd..3ebfb0386300 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -143,6 +143,10 @@ static const struct min_max_quirk min_max_pnpid_table[] = {
                (const char * const []){"LEN2001", NULL},
                1024, 5022, 2508, 4832
        },
+       {
+               (const char * const []){"LEN2006", NULL},
+               1264, 5675, 1171, 4688
+       },
        { }
 };
 
diff --git a/drivers/irqchip/irq-atmel-aic-common.c 
b/drivers/irqchip/irq-atmel-aic-common.c
index 6ae3cdee0681..cc4f9d80122e 100644
--- a/drivers/irqchip/irq-atmel-aic-common.c
+++ b/drivers/irqchip/irq-atmel-aic-common.c
@@ -217,8 +217,9 @@ struct irq_domain *__init aic_common_of_init(struct 
device_node *node,
        }
 
        ret = irq_alloc_domain_generic_chips(domain, 32, 1, name,
-                                            handle_level_irq, 0, 0,
-                                            IRQCHIP_SKIP_SET_WAKE);
+                                            handle_fasteoi_irq,
+                                            IRQ_NOREQUEST | IRQ_NOPROBE |
+                                            IRQ_NOAUTOEN, 0, 0);
        if (ret)
                goto err_domain_remove;
 
@@ -230,7 +231,6 @@ struct irq_domain *__init aic_common_of_init(struct 
device_node *node,
                gc->unused = 0;
                gc->wake_enabled = ~0;
                gc->chip_types[0].type = IRQ_TYPE_SENSE_MASK;
-               gc->chip_types[0].handler = handle_fasteoi_irq;
                gc->chip_types[0].chip.irq_eoi = irq_gc_eoi;
                gc->chip_types[0].chip.irq_set_wake = irq_gc_set_wake;
                gc->chip_types[0].chip.irq_shutdown = aic_common_shutdown;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 798ae69fb63c..5d2add761e30 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2498,9 +2498,9 @@ static void bond_loadbalance_arp_mon(struct work_struct 
*work)
                if (!rtnl_trylock())
                        goto re_arm;
 
-               if (slave_state_changed) {
+               if (slave_state_changed)
                        bond_slave_state_change(bond);
-               } else if (do_failover) {
+               if (do_failover) {
                        /* the bond_select_active_slave must hold RTNL
                         * and curr_slave_lock for write.
                         */
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 9f91fcba43f8..6403503cf767 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -383,7 +383,7 @@ void can_free_echo_skb(struct net_device *dev, unsigned int 
idx)
        BUG_ON(idx >= priv->echo_skb_max);
 
        if (priv->echo_skb[idx]) {
-               kfree_skb(priv->echo_skb[idx]);
+               dev_kfree_skb_any(priv->echo_skb[idx]);
                priv->echo_skb[idx] = NULL;
        }
 }
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index b7c9e8b11460..7a90075529c3 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -1143,6 +1143,7 @@ static void esd_usb2_disconnect(struct usb_interface 
*intf)
                        }
                }
                unlink_all_urbs(dev);
+               kfree(dev);
        }
 }
 
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c 
b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 87bd53fdd209..e82821fdf905 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -4059,8 +4059,8 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
                 * if SR-IOV and VMDQ are disabled - otherwise ensure
                 * that hardware VLAN filters remain enabled.
                 */
-               if (!(adapter->flags & (IXGBE_FLAG_VMDQ_ENABLED |
-                                       IXGBE_FLAG_SRIOV_ENABLED)))
+               if (adapter->flags & (IXGBE_FLAG_VMDQ_ENABLED |
+                                     IXGBE_FLAG_SRIOV_ENABLED))
                        vlnctrl |= (IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN);
        } else {
                if (netdev->flags & IFF_ALLMULTI) {
@@ -8084,6 +8084,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct 
pci_device_id *ent)
        int i, err, pci_using_dac, expected_gts;
        unsigned int indices = MAX_TX_QUEUES;
        u8 part_str[IXGBE_PBANUM_LENGTH];
+       bool disable_dev = false;
 #ifdef IXGBE_FCOE
        u16 device_caps;
 #endif
@@ -8477,13 +8478,14 @@ err_sw_init:
        iounmap(adapter->io_addr);
        kfree(adapter->mac_table);
 err_ioremap:
+       disable_dev = !test_and_set_bit(__IXGBE_DISABLED, &adapter->state);
        free_netdev(netdev);
 err_alloc_etherdev:
        pci_release_selected_regions(pdev,
                                     pci_select_bars(pdev, IORESOURCE_MEM));
 err_pci_reg:
 err_dma:
-       if (!adapter || !test_and_set_bit(__IXGBE_DISABLED, &adapter->state))
+       if (!adapter || disable_dev)
                pci_disable_device(pdev);
        return err;
 }
@@ -8501,6 +8503,7 @@ static void ixgbe_remove(struct pci_dev *pdev)
 {
        struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
        struct net_device *netdev = adapter->netdev;
+       bool disable_dev;
 
        ixgbe_dbg_adapter_exit(adapter);
 
@@ -8550,11 +8553,12 @@ static void ixgbe_remove(struct pci_dev *pdev)
        e_dev_info("complete\n");
 
        kfree(adapter->mac_table);
+       disable_dev = !test_and_set_bit(__IXGBE_DISABLED, &adapter->state);
        free_netdev(netdev);
 
        pci_disable_pcie_error_reporting(pdev);
 
-       if (!test_and_set_bit(__IXGBE_DISABLED, &adapter->state))
+       if (disable_dev)
                pci_disable_device(pdev);
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c 
b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index abddcf8c40aa..8c4dc05388d6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1693,7 +1693,7 @@ int mlx4_en_start_port(struct net_device *dev)
        mlx4_set_stats_bitmap(mdev->dev, &priv->stats_bitmap);
 
 #ifdef CONFIG_MLX4_EN_VXLAN
-       if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS)
+       if (priv->mdev->dev->caps.tunnel_offload_mode == 
MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
                vxlan_get_rx_port(dev);
 #endif
        priv->port_up = true;
@@ -2281,8 +2281,16 @@ static void mlx4_en_add_vxlan_offloads(struct 
work_struct *work)
        ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port,
                                  VXLAN_STEER_BY_OUTER_MAC, 1);
 out:
-       if (ret)
+       if (ret) {
                en_err(priv, "failed setting L2 tunnel configuration ret %d\n", 
ret);
+               return;
+       }
+
+       /* set offloads */
+       priv->dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+                                     NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL;
+       priv->dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
+       priv->dev->features    |= NETIF_F_GSO_UDP_TUNNEL;
 }
 
 static void mlx4_en_del_vxlan_offloads(struct work_struct *work)
@@ -2290,6 +2298,11 @@ static void mlx4_en_del_vxlan_offloads(struct 
work_struct *work)
        int ret;
        struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
                                                 vxlan_del_task);
+       /* unset offloads */
+       priv->dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+                                     NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL);
+       priv->dev->hw_features &= ~NETIF_F_GSO_UDP_TUNNEL;
+       priv->dev->features    &= ~NETIF_F_GSO_UDP_TUNNEL;
 
        ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port,
                                  VXLAN_STEER_BY_OUTER_MAC, 0);
@@ -2403,6 +2416,10 @@ static const struct net_device_ops 
mlx4_netdev_ops_master = {
        .ndo_rx_flow_steer      = mlx4_en_filter_rfs,
 #endif
        .ndo_get_phys_port_id   = mlx4_en_get_phys_port_id,
+#ifdef CONFIG_MLX4_EN_VXLAN
+       .ndo_add_vxlan_port     = mlx4_en_add_vxlan_port,
+       .ndo_del_vxlan_port     = mlx4_en_del_vxlan_port,
+#endif
 };
 
 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
@@ -2567,13 +2584,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int 
port,
        if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0)
                dev->priv_flags |= IFF_UNICAST_FLT;
 
-       if (mdev->dev->caps.tunnel_offload_mode == 
MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) {
-               dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
-                                       NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL;
-               dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
-               dev->features    |= NETIF_F_GSO_UDP_TUNNEL;
-       }
-
        mdev->pndev[port] = dev;
 
        netif_carrier_off(dev);
diff --git a/drivers/net/ieee802154/fakehard.c 
b/drivers/net/ieee802154/fakehard.c
index 9ce854f43917..6cbc56ad9ff4 100644
--- a/drivers/net/ieee802154/fakehard.c
+++ b/drivers/net/ieee802154/fakehard.c
@@ -377,17 +377,20 @@ static int ieee802154fake_probe(struct platform_device 
*pdev)
 
        err = wpan_phy_register(phy);
        if (err)
-               goto out;
+               goto err_phy_reg;
 
        err = register_netdev(dev);
-       if (err < 0)
-               goto out;
+       if (err)
+               goto err_netdev_reg;
 
        dev_info(&pdev->dev, "Added ieee802154 HardMAC hardware\n");
        return 0;
 
-out:
-       unregister_netdev(dev);
+err_netdev_reg:
+       wpan_phy_unregister(phy);
+err_phy_reg:
+       free_netdev(dev);
+       wpan_phy_free(phy);
        return err;
 }
 
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 1aff970be33e..1dc628ffce2b 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -506,7 +506,9 @@ static int pptp_getname(struct socket *sock, struct 
sockaddr *uaddr,
        int len = sizeof(struct sockaddr_pppox);
        struct sockaddr_pppox sp;
 
-       sp.sa_family      = AF_PPPOX;
+       memset(&sp.sa_addr, 0, sizeof(sp.sa_addr));
+
+       sp.sa_family    = AF_PPPOX;
        sp.sa_protocol  = PX_PROTO_PPTP;
        sp.sa_addr.pptp = pppox_sk(sock->sk)->proto.pptp.src_addr;
 
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 22756db53dca..b8a82b86f909 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -780,6 +780,7 @@ static const struct usb_device_id products[] = {
        {QMI_FIXED_INTF(0x413c, 0x81a4, 8)},    /* Dell Wireless 5570e HSPA+ 
(42Mbps) Mobile Broadband Card */
        {QMI_FIXED_INTF(0x413c, 0x81a8, 8)},    /* Dell Wireless 5808 Gobi(TM) 
4G LTE Mobile Broadband Card */
        {QMI_FIXED_INTF(0x413c, 0x81a9, 8)},    /* Dell Wireless 5808e Gobi(TM) 
4G LTE Mobile Broadband Card */
+       {QMI_FIXED_INTF(0x03f0, 0x581d, 4)},    /* HP lt4112 LTE/HSPA+ Gobi 4G 
Module (Huawei me906e) */
 
        /* 4. Gobi 1000 devices */
        {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},    /* Acer Gobi Modem Device */
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c 
b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 542a8d51d3b0..5d1ac1b0103d 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -647,6 +647,19 @@ static void ar9003_hw_override_ini(struct ath_hw *ah)
                ah->enabled_cals |= TX_CL_CAL;
        else
                ah->enabled_cals &= ~TX_CL_CAL;
+
+       if (AR_SREV_9340(ah) || AR_SREV_9531(ah) || AR_SREV_9550(ah)) {
+               if (ah->is_clk_25mhz) {
+                       REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
+                       REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
+                       REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae);
+               } else {
+                       REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
+                       REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
+                       REG_WRITE(ah, AR_SLP32_INC, 0x0001e800);
+               }
+               udelay(100);
+       }
 }
 
 static void ar9003_hw_prog_ini(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c 
b/drivers/net/wireless/ath/ath9k/hw.c
index 69bbea1184d2..97569cdb3a8b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -859,19 +859,6 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
        udelay(RTC_PLL_SETTLE_DELAY);
 
        REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
-
-       if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) {
-               if (ah->is_clk_25mhz) {
-                       REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
-                       REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
-                       REG_WRITE(ah,  AR_SLP32_INC, 0x0001e7ae);
-               } else {
-                       REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
-                       REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
-                       REG_WRITE(ah,  AR_SLP32_INC, 0x0001e800);
-               }
-               udelay(100);
-       }
 }
 
 static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/of.c 
b/drivers/net/wireless/brcm80211/brcmfmac/of.c
index f05f5270fec1..927bffd5be64 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/of.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/of.c
@@ -40,8 +40,8 @@ void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev)
                return;
 
        irq = irq_of_parse_and_map(np, 0);
-       if (irq < 0) {
-               brcmf_err("interrupt could not be mapped: err=%d\n", irq);
+       if (!irq) {
+               brcmf_err("interrupt could not be mapped\n");
                devm_kfree(dev, sdiodev->pdata);
                return;
        }
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c 
b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
index e5101b287e4e..fb30a09b3b0d 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
@@ -19,10 +19,10 @@
 #include <linux/pci.h>
 #include <linux/vmalloc.h>
 #include <linux/delay.h>
-#include <linux/unaligned/access_ok.h>
 #include <linux/interrupt.h>
 #include <linux/bcma/bcma.h>
 #include <linux/sched.h>
+#include <asm/unaligned.h>
 
 #include <soc.h>
 #include <chipcommon.h>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c 
b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 16a246bfc343..952c7e15a6e6 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -298,6 +298,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
        primary_offset = ch->center_freq1 - ch->chan->center_freq;
        switch (ch->width) {
        case NL80211_CHAN_WIDTH_20:
+       case NL80211_CHAN_WIDTH_20_NOHT:
                ch_inf.bw = BRCMU_CHAN_BW_20;
                WARN_ON(primary_offset != 0);
                break;
@@ -322,6 +323,10 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
                                ch_inf.sb = BRCMU_CHAN_SB_LU;
                }
                break;
+       case NL80211_CHAN_WIDTH_80P80:
+       case NL80211_CHAN_WIDTH_160:
+       case NL80211_CHAN_WIDTH_5:
+       case NL80211_CHAN_WIDTH_10:
        default:
                WARN_ON_ONCE(1);
        }
@@ -332,6 +337,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
        case IEEE80211_BAND_5GHZ:
                ch_inf.band = BRCMU_CHAN_BAND_5G;
                break;
+       case IEEE80211_BAND_60GHZ:
        default:
                WARN_ON_ONCE(1);
        }
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h 
b/drivers/net/wireless/iwlwifi/iwl-fw.h
index 1bb5193c5b1b..f03fe0ce9883 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -138,9 +138,11 @@ enum iwl_ucode_tlv_api {
 /**
  * enum iwl_ucode_tlv_capa - ucode capabilities
  * @IWL_UCODE_TLV_CAPA_D0I3_SUPPORT: supports D0i3
+ * @IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT: supports Hot Spot Command
  */
 enum iwl_ucode_tlv_capa {
-       IWL_UCODE_TLV_CAPA_D0I3_SUPPORT         = BIT(0),
+       IWL_UCODE_TLV_CAPA_D0I3_SUPPORT                 = BIT(0),
+       IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT              = BIT(18),
 };
 
 /* The default calibrate table size if not specified by firmware file */
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c 
b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 26de13bb78a8..f8cafc783d56 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -515,7 +515,8 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
        }
 
        if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
-           !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
+           !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
+           !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
                goto drop;
 
        /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
@@ -2403,14 +2404,19 @@ static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
        /* Set the node address */
        memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
 
+       lockdep_assert_held(&mvm->mutex);
+
+       spin_lock_bh(&mvm->time_event_lock);
+
+       if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
+               spin_unlock_bh(&mvm->time_event_lock);
+               return -EIO;
+       }
+
        te_data->vif = vif;
        te_data->duration = duration;
        te_data->id = HOT_SPOT_CMD;
 
-       lockdep_assert_held(&mvm->mutex);
-
-       spin_lock_bh(&mvm->time_event_lock);
-       list_add_tail(&te_data->list, &mvm->time_event_list);
        spin_unlock_bh(&mvm->time_event_lock);
 
        /*
@@ -2466,22 +2472,29 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw,
        IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
                           duration, type);
 
+       mutex_lock(&mvm->mutex);
+
        switch (vif->type) {
        case NL80211_IFTYPE_STATION:
-               /* Use aux roc framework (HS20) */
-               ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
-                                              vif, duration);
-               return ret;
+               if (mvm->fw->ucode_capa.capa[0] &
+                   IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT) {
+                       /* Use aux roc framework (HS20) */
+                       ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
+                                                      vif, duration);
+                       goto out_unlock;
+               }
+               IWL_ERR(mvm, "hotspot not supported\n");
+               ret = -EINVAL;
+               goto out_unlock;
        case NL80211_IFTYPE_P2P_DEVICE:
                /* handle below */
                break;
        default:
                IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
-               return -EINVAL;
+               ret = -EINVAL;
+               goto out_unlock;
        }
 
-       mutex_lock(&mvm->mutex);
-
        for (i = 0; i < NUM_PHY_CTX; i++) {
                phy_ctxt = &mvm->phy_ctxts[i];
                if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c 
b/drivers/net/wireless/iwlwifi/mvm/time-event.c
index 33e5041f1efc..7229db54df7f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c
@@ -303,8 +303,8 @@ static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm 
*mvm,
                te_data->running = false;
                te_data->vif = NULL;
                te_data->uid = 0;
+               te_data->id = TE_MAX;
        } else if (le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_START) {
-               set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status);
                set_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status);
                te_data->running = true;
                ieee80211_ready_on_channel(mvm->hw); /* Start TE */
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c 
b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 6c02467a37c8..bb36d67a7ae9 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -1891,8 +1891,7 @@ static u32 iwl_trans_pcie_dump_prph(struct iwl_trans 
*trans,
                int reg;
                __le32 *val;
 
-               prph_len += sizeof(*data) + sizeof(*prph) +
-                       num_bytes_in_chunk;
+               prph_len += sizeof(**data) + sizeof(*prph) + num_bytes_in_chunk;
 
                (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH);
                (*data)->len = cpu_to_le32(sizeof(*prph) +
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c 
b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 8e68f87ab13c..66ff36447b94 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -158,55 +158,29 @@ void rt2x00queue_align_frame(struct sk_buff *skb)
        skb_trim(skb, frame_length);
 }
 
-void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length)
+/*
+ * H/W needs L2 padding between the header and the paylod if header size
+ * is not 4 bytes aligned.
+ */
+void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int hdr_len)
 {
-       unsigned int payload_length = skb->len - header_length;
-       unsigned int header_align = ALIGN_SIZE(skb, 0);
-       unsigned int payload_align = ALIGN_SIZE(skb, header_length);
-       unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0;
+       unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
 
-       /*
-        * Adjust the header alignment if the payload needs to be moved more
-        * than the header.
-        */
-       if (payload_align > header_align)
-               header_align += 4;
-
-       /* There is nothing to do if no alignment is needed */
-       if (!header_align)
+       if (!l2pad)
                return;
 
-       /* Reserve the amount of space needed in front of the frame */
-       skb_push(skb, header_align);
-
-       /*
-        * Move the header.
-        */
-       memmove(skb->data, skb->data + header_align, header_length);
-
-       /* Move the payload, if present and if required */
-       if (payload_length && payload_align)
-               memmove(skb->data + header_length + l2pad,
-                       skb->data + header_length + l2pad + payload_align,
-                       payload_length);
-
-       /* Trim the skb to the correct size */
-       skb_trim(skb, header_length + l2pad + payload_length);
+       skb_push(skb, l2pad);
+       memmove(skb->data, skb->data + l2pad, hdr_len);
 }
 
-void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length)
+void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int hdr_len)
 {
-       /*
-        * L2 padding is only present if the skb contains more than just the
-        * IEEE 802.11 header.
-        */
-       unsigned int l2pad = (skb->len > header_length) ?
-                               L2PAD_SIZE(header_length) : 0;
+       unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
 
        if (!l2pad)
                return;
 
-       memmove(skb->data + l2pad, skb->data, header_length);
+       memmove(skb->data + l2pad, skb->data, hdr_len);
        skb_pull(skb, l2pad);
 }
 
diff --git a/drivers/of/address.c b/drivers/of/address.c
index e3718250d66e..f0541fd6865d 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -403,6 +403,21 @@ static struct of_bus *of_match_bus(struct device_node *np)
        return NULL;
 }
 
+static int of_empty_ranges_quirk(void)
+{
+       if (IS_ENABLED(CONFIG_PPC)) {
+               /* To save cycles, we cache the result */
+               static int quirk_state = -1;
+
+               if (quirk_state < 0)
+                       quirk_state =
+                               of_machine_is_compatible("Power Macintosh") ||
+                               of_machine_is_compatible("MacRISC");
+               return quirk_state;
+       }
+       return false;
+}
+
 static int of_translate_one(struct device_node *parent, struct of_bus *bus,
                            struct of_bus *pbus, __be32 *addr,
                            int na, int ns, int pna, const char *rprop)
@@ -428,12 +443,10 @@ static int of_translate_one(struct device_node *parent, 
struct of_bus *bus,
         * This code is only enabled on powerpc. --gcl
         */
        ranges = of_get_property(parent, rprop, &rlen);
-#if !defined(CONFIG_PPC)
-       if (ranges == NULL) {
+       if (ranges == NULL && !of_empty_ranges_quirk()) {
                pr_err("OF: no ranges; cannot translate\n");
                return 1;
        }
-#endif /* !defined(CONFIG_PPC) */
        if (ranges == NULL || rlen == 0) {
                offset = of_read_number(addr, na);
                memset(addr, 0, pna * 4);
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index d1ffca8b34ea..30e97bcc4f88 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -773,7 +773,7 @@ int __init early_init_dt_scan_chosen_serial(void)
        if (offset < 0)
                return -ENODEV;
 
-       while (match->compatible) {
+       while (match->compatible[0]) {
                unsigned long addr;
                if (fdt_node_check_compatible(fdt, offset, match->compatible)) {
                        match++;
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index c92de69fcf7f..612a51214a66 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -799,7 +799,7 @@ static void selftest_data_remove(void)
                return;
        }
 
-       while (last_node_index >= 0) {
+       while (last_node_index-- > 0) {
                if (nodes[last_node_index]) {
                        np = 
of_find_node_by_path(nodes[last_node_index]->full_name);
                        if (strcmp(np->full_name, "/aliases") != 0) {
@@ -812,7 +812,6 @@ static void selftest_data_remove(void)
                                }
                        }
                }
-               last_node_index--;
        }
 }
 
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 5a40516444f3..6807eddfeb4c 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -610,6 +610,20 @@ static struct msi_desc *msi_setup_entry(struct pci_dev 
*dev)
        return entry;
 }
 
+static int msi_verify_entries(struct pci_dev *dev)
+{
+       struct msi_desc *entry;
+
+       list_for_each_entry(entry, &dev->msi_list, list) {
+               if (!dev->no_64bit_msi || !entry->msg.address_hi)
+                       continue;
+               dev_err(&dev->dev, "Device has broken 64-bit MSI but arch"
+                       " tried to assign one above 4G\n");
+               return -EIO;
+       }
+       return 0;
+}
+
 /**
  * msi_capability_init - configure device's MSI capability structure
  * @dev: pointer to the pci_dev data structure of MSI device function
@@ -647,6 +661,13 @@ static int msi_capability_init(struct pci_dev *dev, int 
nvec)
                return ret;
        }
 
+       ret = msi_verify_entries(dev);
+       if (ret) {
+               msi_mask_irq(entry, mask, ~mask);
+               free_msi_irqs(dev);
+               return ret;
+       }
+
        ret = populate_msi_sysfs(dev);
        if (ret) {
                msi_mask_irq(entry, mask, ~mask);
@@ -760,6 +781,11 @@ static int msix_capability_init(struct pci_dev *dev,
        if (ret)
                goto out_avail;
 
+       /* Check if all MSI entries honor device restrictions */
+       ret = msi_verify_entries(dev);
+       if (ret)
+               goto out_free;
+
        /*
         * Some devices require MSI-X to be enabled before we can touch the
         * MSI-X registers.  We need to mask all the vectors to prevent
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 4170113cde61..9cce960029aa 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -406,15 +406,16 @@ static void pci_read_bridge_mmio_pref(struct pci_bus 
*child)
 {
        struct pci_dev *dev = child->self;
        u16 mem_base_lo, mem_limit_lo;
-       unsigned long base, limit;
+       u64 base64, limit64;
+       dma_addr_t base, limit;
        struct pci_bus_region region;
        struct resource *res;
 
        res = child->resource[2];
        pci_read_config_word(dev, PCI_PREF_MEMORY_BASE, &mem_base_lo);
        pci_read_config_word(dev, PCI_PREF_MEMORY_LIMIT, &mem_limit_lo);
-       base = ((unsigned long) mem_base_lo & PCI_PREF_RANGE_MASK) << 16;
-       limit = ((unsigned long) mem_limit_lo & PCI_PREF_RANGE_MASK) << 16;
+       base64 = (mem_base_lo & PCI_PREF_RANGE_MASK) << 16;
+       limit64 = (mem_limit_lo & PCI_PREF_RANGE_MASK) << 16;
 
        if ((mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) == PCI_PREF_RANGE_TYPE_64) 
{
                u32 mem_base_hi, mem_limit_hi;
@@ -428,17 +429,20 @@ static void pci_read_bridge_mmio_pref(struct pci_bus 
*child)
                 * this, just assume they are not being used.
                 */
                if (mem_base_hi <= mem_limit_hi) {
-#if BITS_PER_LONG == 64
-                       base |= ((unsigned long) mem_base_hi) << 32;
-                       limit |= ((unsigned long) mem_limit_hi) << 32;
-#else
-                       if (mem_base_hi || mem_limit_hi) {
-                               dev_err(&dev->dev, "can't handle 64-bit address 
space for bridge\n");
-                               return;
-                       }
-#endif
+                       base64 |= (u64) mem_base_hi << 32;
+                       limit64 |= (u64) mem_limit_hi << 32;
                }
        }
+
+       base = (dma_addr_t) base64;
+       limit = (dma_addr_t) limit64;
+
+       if (base != base64) {
+               dev_err(&dev->dev, "can't handle bridge window above 4GB (bus 
address %#010llx)\n",
+                       (unsigned long long) base64);
+               return;
+       }
+
        if (base <= limit) {
                res->flags = (mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) |
                                         IORESOURCE_MEM | IORESOURCE_PREFETCH;
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c 
b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 79e5c94107a9..72533c58c1f3 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -412,6 +412,7 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct 
net_device *dev,
        struct fc_frame_header *fh;
        struct fcoe_rcv_info *fr;
        struct fcoe_percpu_s *bg;
+       struct sk_buff *tmp_skb;
        unsigned short oxid;
 
        interface = container_of(ptype, struct bnx2fc_interface,
@@ -424,6 +425,12 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct 
net_device *dev,
                goto err;
        }
 
+       tmp_skb = skb_share_check(skb, GFP_ATOMIC);
+       if (!tmp_skb)
+               goto err;
+
+       skb = tmp_skb;
+
        if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
                printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
                goto err;
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 49014a143c6a..c1d04d4d3c6c 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -202,6 +202,7 @@ static struct {
        {"IOMEGA", "Io20S         *F", NULL, BLIST_KEY},
        {"INSITE", "Floptical   F*8I", NULL, BLIST_KEY},
        {"INSITE", "I325VM", NULL, BLIST_KEY},
+       {"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
        {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | 
BLIST_INQUIRY_36},
        {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN},
        {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 0dd0623319b0..080e0a343675 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -382,9 +382,6 @@ static void pump_transfers(unsigned long data)
        chip = dws->cur_chip;
        spi = message->spi;
 
-       if (unlikely(!chip->clk_div))
-               chip->clk_div = dws->max_freq / chip->speed_hz;
-
        if (message->state == ERROR_STATE) {
                message->status = -EIO;
                goto early_exit;
@@ -425,7 +422,7 @@ static void pump_transfers(unsigned long data)
        if (transfer->speed_hz) {
                speed = chip->speed_hz;
 
-               if (transfer->speed_hz != speed) {
+               if ((transfer->speed_hz != speed) || (!chip->clk_div)) {
                        speed = transfer->speed_hz;
 
                        /* clk_div doesn't support odd number */
@@ -586,7 +583,6 @@ static int dw_spi_setup(struct spi_device *spi)
                dev_err(&spi->dev, "No max speed HZ parameter\n");
                return -EINVAL;
        }
-       chip->speed_hz = spi->max_speed_hz;
 
        chip->tmode = 0; /* Tx & Rx */
        /* Default SPI mode is SCPOL = 0, SCPH = 0 */
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index 6f0602fd7401..ca67bcf9475a 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -565,9 +565,9 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct 
spi_transfer *t)
 
        sspi->word_width = DIV_ROUND_UP(bits_per_word, 8);
        txfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
-                                          sspi->word_width;
+                                          (sspi->word_width >> 1);
        rxfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
-                                          sspi->word_width;
+                                          (sspi->word_width >> 1);
 
        if (!(spi->mode & SPI_CS_HIGH))
                regval |= SIRFSOC_SPI_CS_IDLE_STAT;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index ca935df80c88..2bf2dfa609dd 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -609,13 +609,13 @@ static int spi_map_buf(struct spi_master *master, struct 
device *dev,
                                sg_free_table(sgt);
                                return -ENOMEM;
                        }
-                       sg_buf = page_address(vm_page) +
-                               ((size_t)buf & ~PAGE_MASK);
+                       sg_set_page(&sgt->sgl[i], vm_page,
+                                   min, offset_in_page(buf));
                } else {
                        sg_buf = buf;
+                       sg_set_buf(&sgt->sgl[i], sg_buf, min);
                }
 
-               sg_set_buf(&sgt->sgl[i], sg_buf, min);
 
                buf += min;
                len -= min;
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c 
b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 407a318b09db..2f87150a21b7 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -47,6 +47,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
        {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
        {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
        {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
+       {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
        {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
        {}      /* Terminating entry */
 };
diff --git a/drivers/target/target_core_transport.c 
b/drivers/target/target_core_transport.c
index ab610146681d..a9c77b5116e3 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2295,7 +2295,7 @@ transport_generic_new_cmd(struct se_cmd *cmd)
         * and let it call back once the write buffers are ready.
         */
        target_add_to_state_list(cmd);
-       if (cmd->data_direction != DMA_TO_DEVICE) {
+       if (cmd->data_direction != DMA_TO_DEVICE || cmd->data_length == 0) {
                target_execute_cmd(cmd);
                return 0;
        }
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 39b4081b632d..96fafed92b76 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -44,6 +44,9 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Creative SB Audigy 2 NX */
        { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
+       /* Microsoft Wireless Laser Mouse 6000 Receiver */
+       { USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
+
        /* Microsoft LifeCam-VX700 v2.0 */
        { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 69aece31143a..64f0ddac957f 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -22,7 +22,6 @@
 
 
 #include <linux/slab.h>
-#include <linux/device.h>
 #include <asm/unaligned.h>
 
 #include "xhci.h"
@@ -1142,9 +1141,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
                 * including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME
                 * is enabled, so also enable remote wake here.
                 */
-               if (hcd->self.root_hub->do_remote_wakeup
-                               && device_may_wakeup(hcd->self.controller)) {
-
+               if (hcd->self.root_hub->do_remote_wakeup) {
                        if (t1 & PORT_CONNECT) {
                                t2 |= PORT_WKOC_E | PORT_WKDISC_E;
                                t2 &= ~PORT_WKCONN_E;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index d125568d73ff..d41ce7aaa97d 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -279,7 +279,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool 
do_wakeup)
        if (xhci_compliance_mode_recovery_timer_quirk_check())
                pdev->no_d3cold = true;
 
-       return xhci_suspend(xhci);
+       return xhci_suspend(xhci, do_wakeup);
 }
 
 static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 1a0cf9f31e43..dcfddeb6c56a 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -255,7 +255,15 @@ static int xhci_plat_suspend(struct device *dev)
        struct usb_hcd  *hcd = dev_get_drvdata(dev);
        struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
-       return xhci_suspend(xhci);
+       /*
+        * xhci_suspend() needs `do_wakeup` to know whether host is allowed
+        * to do wakeup during suspend. Since xhci_plat_suspend is currently
+        * only designed for system suspend, device_may_wakeup() is enough
+        * to dertermine whether host is allowed to do wakeup. Need to
+        * reconsider this when xhci_plat_suspend enlarges its scope, e.g.,
+        * also applies to runtime suspend.
+        */
+       return xhci_suspend(xhci, device_may_wakeup(dev));
 }
 
 static int xhci_plat_resume(struct device *dev)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index abed30b82905..08f00fe6dcf2 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1106,9 +1106,8 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd 
*xhci, int slot_id,
                                false);
                xhci_ring_cmd_db(xhci);
        } else {
-               /* Clear our internal halted state and restart the ring(s) */
+               /* Clear our internal halted state */
                xhci->devs[slot_id]->eps[ep_index].ep_state &= ~EP_HALTED;
-               ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
        }
 }
 
@@ -1851,22 +1850,13 @@ static int finish_td(struct xhci_hcd *xhci, struct 
xhci_td *td,
                ep->stopped_td = td;
                return 0;
        } else {
-               if (trb_comp_code == COMP_STALL) {
-                       /* The transfer is completed from the driver's
-                        * perspective, but we need to issue a set dequeue
-                        * command for this stalled endpoint to move the dequeue
-                        * pointer past the TD.  We can't do that here because
-                        * the halt condition must be cleared first.  Let the
-                        * USB class driver clear the stall later.
-                        */
-                       ep->stopped_td = td;
-                       ep->stopped_stream = ep_ring->stream_id;
-               } else if (xhci_requires_manual_halt_cleanup(xhci,
-                                       ep_ctx, trb_comp_code)) {
-                       /* Other types of errors halt the endpoint, but the
-                        * class driver doesn't call usb_reset_endpoint() unless
-                        * the error is -EPIPE.  Clear the halted status in the
-                        * xHCI hardware manually.
+               if (trb_comp_code == COMP_STALL ||
+                   xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
+                                                     trb_comp_code)) {
+                       /* Issue a reset endpoint command to clear the host side
+                        * halt, followed by a set dequeue command to move the
+                        * dequeue pointer past the TD.
+                        * The class driver clears the device side halt later.
                         */
                        xhci_cleanup_halted_endpoint(xhci,
                                        slot_id, ep_index, ep_ring->stream_id,
@@ -1986,9 +1976,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct 
xhci_td *td,
                else
                        td->urb->actual_length = 0;
 
-               xhci_cleanup_halted_endpoint(xhci,
-                       slot_id, ep_index, 0, td, event_trb);
-               return finish_td(xhci, td, event_trb, event, ep, status, true);
+               return finish_td(xhci, td, event_trb, event, ep, status, false);
        }
        /*
         * Did we transfer any data, despite the errors that might have
@@ -2542,17 +2530,8 @@ cleanup:
                if (ret) {
                        urb = td->urb;
                        urb_priv = urb->hcpriv;
-                       /* Leave the TD around for the reset endpoint function
-                        * to use(but only if it's not a control endpoint,
-                        * since we already queued the Set TR dequeue pointer
-                        * command for stalled control endpoints).
-                        */
-                       if (usb_endpoint_xfer_control(&urb->ep->desc) ||
-                               (trb_comp_code != COMP_STALL &&
-                                       trb_comp_code != COMP_BABBLE))
-                               xhci_urb_free_priv(xhci, urb_priv);
-                       else
-                               kfree(urb_priv);
+
+                       xhci_urb_free_priv(xhci, urb_priv);
 
                        usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), 
urb);
                        if ((urb->actual_length != urb->transfer_buffer_length 
&&
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index c4a8fca8ae93..48eec36edfa5 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -35,6 +35,8 @@
 #define DRIVER_AUTHOR "Sarah Sharp"
 #define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver"
 
+#define        PORT_WAKE_BITS  (PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E)
+
 /* Some 0.95 hardware can't handle the chain bit on a Link TRB being cleared */
 static int link_quirk;
 module_param(link_quirk, int, S_IRUGO | S_IWUSR);
@@ -850,13 +852,47 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
        xhci_set_cmd_ring_deq(xhci);
 }
 
+static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
+{
+       int port_index;
+       __le32 __iomem **port_array;
+       unsigned long flags;
+       u32 t1, t2;
+
+       spin_lock_irqsave(&xhci->lock, flags);
+
+       /* disble usb3 ports Wake bits*/
+       port_index = xhci->num_usb3_ports;
+       port_array = xhci->usb3_ports;
+       while (port_index--) {
+               t1 = readl(port_array[port_index]);
+               t1 = xhci_port_state_to_neutral(t1);
+               t2 = t1 & ~PORT_WAKE_BITS;
+               if (t1 != t2)
+                       writel(t2, port_array[port_index]);
+       }
+
+       /* disble usb2 ports Wake bits*/
+       port_index = xhci->num_usb2_ports;
+       port_array = xhci->usb2_ports;
+       while (port_index--) {
+               t1 = readl(port_array[port_index]);
+               t1 = xhci_port_state_to_neutral(t1);
+               t2 = t1 & ~PORT_WAKE_BITS;
+               if (t1 != t2)
+                       writel(t2, port_array[port_index]);
+       }
+
+       spin_unlock_irqrestore(&xhci->lock, flags);
+}
+
 /*
  * Stop HC (not bus-specific)
  *
  * This is called when the machine transition into S3/S4 mode.
  *
  */
-int xhci_suspend(struct xhci_hcd *xhci)
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
 {
        int                     rc = 0;
        unsigned int            delay = XHCI_MAX_HALT_USEC;
@@ -867,6 +903,10 @@ int xhci_suspend(struct xhci_hcd *xhci)
                        xhci->shared_hcd->state != HC_STATE_SUSPENDED)
                return -EINVAL;
 
+       /* Clear root port wake on bits if wakeup not allowed. */
+       if (!do_wakeup)
+               xhci_disable_port_wake_on_bits(xhci);
+
        /* Don't poll the roothubs on bus suspend. */
        xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
        clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
@@ -2910,68 +2950,33 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
        }
 }
 
-/* Deal with stalled endpoints.  The core should have sent the control message
- * to clear the halt condition.  However, we need to make the xHCI hardware
- * reset its sequence number, since a device will expect a sequence number of
- * zero after the halt condition is cleared.
+/* Called when clearing halted device. The core should have sent the control
+ * message to clear the device halt condition. The host side of the halt should
+ * already be cleared with a reset endpoint command issued when the STALL tx
+ * event was received.
+ *
  * Context: in_interrupt
  */
+
 void xhci_endpoint_reset(struct usb_hcd *hcd,
                struct usb_host_endpoint *ep)
 {
        struct xhci_hcd *xhci;
-       struct usb_device *udev;
-       unsigned int ep_index;
-       unsigned long flags;
-       int ret;
-       struct xhci_virt_ep *virt_ep;
-       struct xhci_command *command;
 
        xhci = hcd_to_xhci(hcd);
-       udev = (struct usb_device *) ep->hcpriv;
-       /* Called with a root hub endpoint (or an endpoint that wasn't added
-        * with xhci_add_endpoint()
-        */
-       if (!ep->hcpriv)
-               return;
-       ep_index = xhci_get_endpoint_index(&ep->desc);
-       virt_ep = &xhci->devs[udev->slot_id]->eps[ep_index];
-       if (!virt_ep->stopped_td) {
-               xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-                       "Endpoint 0x%x not halted, refusing to reset.",
-                       ep->desc.bEndpointAddress);
-               return;
-       }
-       if (usb_endpoint_xfer_control(&ep->desc)) {
-               xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-                               "Control endpoint stall already handled.");
-               return;
-       }
 
-       command = xhci_alloc_command(xhci, false, false, GFP_ATOMIC);
-       if (!command)
-               return;
-
-       xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-                       "Queueing reset endpoint command");
-       spin_lock_irqsave(&xhci->lock, flags);
-       ret = xhci_queue_reset_ep(xhci, command, udev->slot_id, ep_index);
        /*
-        * Can't change the ring dequeue pointer until it's transitioned to the
-        * stopped state, which is only upon a successful reset endpoint
-        * command.  Better hope that last command worked!
+        * We might need to implement the config ep cmd in xhci 4.8.1 note:
+        * The Reset Endpoint Command may only be issued to endpoints in the
+        * Halted state. If software wishes reset the Data Toggle or Sequence
+        * Number of an endpoint that isn't in the Halted state, then software
+        * may issue a Configure Endpoint Command with the Drop and Add bits set
+        * for the target endpoint. that is in the Stopped state.
         */
-       if (!ret) {
-               xhci_cleanup_stalled_ring(xhci, udev, ep_index);
-               kfree(virt_ep->stopped_td);
-               xhci_ring_cmd_db(xhci);
-       }
-       virt_ep->stopped_td = NULL;
-       virt_ep->stopped_stream = 0;
-       spin_unlock_irqrestore(&xhci->lock, flags);
 
-       if (ret)
-               xhci_warn(xhci, "FIXME allocate a new ring segment\n");
+       /* For now just print debug to follow the situation */
+       xhci_dbg(xhci, "Endpoint 0x%x ep reset callback called\n",
+                ep->desc.bEndpointAddress);
 }
 
 static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index dace5152e179..00ed780c0563 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1764,7 +1764,7 @@ void xhci_shutdown(struct usb_hcd *hcd);
 int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
 
 #ifdef CONFIG_PM
-int xhci_suspend(struct xhci_hcd *xhci);
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup);
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
 #else
 #define        xhci_suspend    NULL
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index cfd009dc4018..6c4eb3cf5efd 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -120,6 +120,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
        { USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
        { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+       { USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */
        { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
        { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB 
Device */
        { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0dad8ce5a609..1ebb351b9e9a 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -470,6 +470,39 @@ static const struct usb_device_id id_table_combined[] = {
        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
+       { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h 
b/drivers/usb/serial/ftdi_sio_ids.h
index 6786b705ccf6..e52409c9be99 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -926,8 +926,8 @@
 #define BAYER_CONTOUR_CABLE_PID        0x6001
 
 /*
- * The following are the values for the Matrix Orbital FTDI Range
- * Anything in this range will use an FT232RL.
+ * Matrix Orbital Intelligent USB displays.
+ * http://www.matrixorbital.com
  */
 #define MTXORB_VID                     0x1B3D
 #define MTXORB_FTDI_RANGE_0100_PID     0x0100
@@ -1186,8 +1186,39 @@
 #define MTXORB_FTDI_RANGE_01FD_PID     0x01FD
 #define MTXORB_FTDI_RANGE_01FE_PID     0x01FE
 #define MTXORB_FTDI_RANGE_01FF_PID     0x01FF
-
-
+#define MTXORB_FTDI_RANGE_4701_PID     0x4701
+#define MTXORB_FTDI_RANGE_9300_PID     0x9300
+#define MTXORB_FTDI_RANGE_9301_PID     0x9301
+#define MTXORB_FTDI_RANGE_9302_PID     0x9302
+#define MTXORB_FTDI_RANGE_9303_PID     0x9303
+#define MTXORB_FTDI_RANGE_9304_PID     0x9304
+#define MTXORB_FTDI_RANGE_9305_PID     0x9305
+#define MTXORB_FTDI_RANGE_9306_PID     0x9306
+#define MTXORB_FTDI_RANGE_9307_PID     0x9307
+#define MTXORB_FTDI_RANGE_9308_PID     0x9308
+#define MTXORB_FTDI_RANGE_9309_PID     0x9309
+#define MTXORB_FTDI_RANGE_930A_PID     0x930A
+#define MTXORB_FTDI_RANGE_930B_PID     0x930B
+#define MTXORB_FTDI_RANGE_930C_PID     0x930C
+#define MTXORB_FTDI_RANGE_930D_PID     0x930D
+#define MTXORB_FTDI_RANGE_930E_PID     0x930E
+#define MTXORB_FTDI_RANGE_930F_PID     0x930F
+#define MTXORB_FTDI_RANGE_9310_PID     0x9310
+#define MTXORB_FTDI_RANGE_9311_PID     0x9311
+#define MTXORB_FTDI_RANGE_9312_PID     0x9312
+#define MTXORB_FTDI_RANGE_9313_PID     0x9313
+#define MTXORB_FTDI_RANGE_9314_PID     0x9314
+#define MTXORB_FTDI_RANGE_9315_PID     0x9315
+#define MTXORB_FTDI_RANGE_9316_PID     0x9316
+#define MTXORB_FTDI_RANGE_9317_PID     0x9317
+#define MTXORB_FTDI_RANGE_9318_PID     0x9318
+#define MTXORB_FTDI_RANGE_9319_PID     0x9319
+#define MTXORB_FTDI_RANGE_931A_PID     0x931A
+#define MTXORB_FTDI_RANGE_931B_PID     0x931B
+#define MTXORB_FTDI_RANGE_931C_PID     0x931C
+#define MTXORB_FTDI_RANGE_931D_PID     0x931D
+#define MTXORB_FTDI_RANGE_931E_PID     0x931E
+#define MTXORB_FTDI_RANGE_931F_PID     0x931F
 
 /*
  * The Mobility Lab (TML)
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 93cb7cebda62..077c714f1285 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -311,24 +311,30 @@ static void       usa26_indat_callback(struct urb *urb)
                if ((data[0] & 0x80) == 0) {
                        /* no errors on individual bytes, only
                           possible overrun err */
-                       if (data[0] & RXERROR_OVERRUN)
-                               err = TTY_OVERRUN;
-                       else
-                               err = 0;
+                       if (data[0] & RXERROR_OVERRUN) {
+                               tty_insert_flip_char(&port->port, 0,
+                                                               TTY_OVERRUN);
+                       }
                        for (i = 1; i < urb->actual_length ; ++i)
-                               tty_insert_flip_char(&port->port, data[i], err);
+                               tty_insert_flip_char(&port->port, data[i],
+                                                               TTY_NORMAL);
                } else {
                        /* some bytes had errors, every byte has status */
                        dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
                        for (i = 0; i + 1 < urb->actual_length; i += 2) {
-                               int stat = data[i], flag = 0;
-                               if (stat & RXERROR_OVERRUN)
-                                       flag |= TTY_OVERRUN;
-                               if (stat & RXERROR_FRAMING)
-                                       flag |= TTY_FRAME;
-                               if (stat & RXERROR_PARITY)
-                                       flag |= TTY_PARITY;
+                               int stat = data[i];
+                               int flag = TTY_NORMAL;
+
+                               if (stat & RXERROR_OVERRUN) {
+                                       tty_insert_flip_char(&port->port, 0,
+                                                               TTY_OVERRUN);
+                               }
                                /* XXX should handle break (0x10) */
+                               if (stat & RXERROR_PARITY)
+                                       flag = TTY_PARITY;
+                               else if (stat & RXERROR_FRAMING)
+                                       flag = TTY_FRAME;
+
                                tty_insert_flip_char(&port->port, data[i+1],
                                                flag);
                        }
@@ -649,14 +655,19 @@ static void       usa49_indat_callback(struct urb *urb)
                } else {
                        /* some bytes had errors, every byte has status */
                        for (i = 0; i + 1 < urb->actual_length; i += 2) {
-                               int stat = data[i], flag = 0;
-                               if (stat & RXERROR_OVERRUN)
-                                       flag |= TTY_OVERRUN;
-                               if (stat & RXERROR_FRAMING)
-                                       flag |= TTY_FRAME;
-                               if (stat & RXERROR_PARITY)
-                                       flag |= TTY_PARITY;
+                               int stat = data[i];
+                               int flag = TTY_NORMAL;
+
+                               if (stat & RXERROR_OVERRUN) {
+                                       tty_insert_flip_char(&port->port, 0,
+                                                               TTY_OVERRUN);
+                               }
                                /* XXX should handle break (0x10) */
+                               if (stat & RXERROR_PARITY)
+                                       flag = TTY_PARITY;
+                               else if (stat & RXERROR_FRAMING)
+                                       flag = TTY_FRAME;
+
                                tty_insert_flip_char(&port->port, data[i+1],
                                                flag);
                        }
@@ -713,15 +724,19 @@ static void usa49wg_indat_callback(struct urb *urb)
                         */
                        for (x = 0; x + 1 < len &&
                                    i + 1 < urb->actual_length; x += 2) {
-                               int stat = data[i], flag = 0;
+                               int stat = data[i];
+                               int flag = TTY_NORMAL;
 
-                               if (stat & RXERROR_OVERRUN)
-                                       flag |= TTY_OVERRUN;
-                               if (stat & RXERROR_FRAMING)
-                                       flag |= TTY_FRAME;
-                               if (stat & RXERROR_PARITY)
-                                       flag |= TTY_PARITY;
+                               if (stat & RXERROR_OVERRUN) {
+                                       tty_insert_flip_char(&port->port, 0,
+                                                               TTY_OVERRUN);
+                               }
                                /* XXX should handle break (0x10) */
+                               if (stat & RXERROR_PARITY)
+                                       flag = TTY_PARITY;
+                               else if (stat & RXERROR_FRAMING)
+                                       flag = TTY_FRAME;
+
                                tty_insert_flip_char(&port->port, data[i+1],
                                                     flag);
                                i += 2;
@@ -773,25 +788,31 @@ static void usa90_indat_callback(struct urb *urb)
                        if ((data[0] & 0x80) == 0) {
                                /* no errors on individual bytes, only
                                   possible overrun err*/
-                               if (data[0] & RXERROR_OVERRUN)
-                                       err = TTY_OVERRUN;
-                               else
-                                       err = 0;
+                               if (data[0] & RXERROR_OVERRUN) {
+                                       tty_insert_flip_char(&port->port, 0,
+                                                               TTY_OVERRUN);
+                               }
                                for (i = 1; i < urb->actual_length ; ++i)
                                        tty_insert_flip_char(&port->port,
-                                                       data[i], err);
+                                                       data[i], TTY_NORMAL);
                        }  else {
                        /* some bytes had errors, every byte has status */
                                dev_dbg(&port->dev, "%s - RX error!!!!\n", 
__func__);
                                for (i = 0; i + 1 < urb->actual_length; i += 2) 
{
-                                       int stat = data[i], flag = 0;
-                                       if (stat & RXERROR_OVERRUN)
-                                               flag |= TTY_OVERRUN;
-                                       if (stat & RXERROR_FRAMING)
-                                               flag |= TTY_FRAME;
-                                       if (stat & RXERROR_PARITY)
-                                               flag |= TTY_PARITY;
+                                       int stat = data[i];
+                                       int flag = TTY_NORMAL;
+
+                                       if (stat & RXERROR_OVERRUN) {
+                                               tty_insert_flip_char(
+                                                               &port->port, 0,
+                                                               TTY_OVERRUN);
+                                       }
                                        /* XXX should handle break (0x10) */
+                                       if (stat & RXERROR_PARITY)
+                                               flag = TTY_PARITY;
+                                       else if (stat & RXERROR_FRAMING)
+                                               flag = TTY_FRAME;
+
                                        tty_insert_flip_char(&port->port,
                                                        data[i+1], flag);
                                }
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index a7fe664b6b7d..70a098de429f 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -490,10 +490,9 @@ static void ssu100_update_lsr(struct usb_serial_port 
*port, u8 lsr,
                        if (*tty_flag == TTY_NORMAL)
                                *tty_flag = TTY_FRAME;
                }
-               if (lsr & UART_LSR_OE){
+               if (lsr & UART_LSR_OE) {
                        port->icount.overrun++;
-                       if (*tty_flag == TTY_NORMAL)
-                               *tty_flag = TTY_OVERRUN;
+                       tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
                }
        }
 
@@ -511,12 +510,8 @@ static void ssu100_process_read_urb(struct urb *urb)
        if ((len >= 4) &&
            (packet[0] == 0x1b) && (packet[1] == 0x1b) &&
            ((packet[2] == 0x00) || (packet[2] == 0x01))) {
-               if (packet[2] == 0x00) {
+               if (packet[2] == 0x00)
                        ssu100_update_lsr(port, packet[3], &flag);
-                       if (flag == TTY_OVERRUN)
-                               tty_insert_flip_char(&port->port, 0,
-                                               TTY_OVERRUN);
-               }
                if (packet[2] == 0x01)
                        ssu100_update_msr(port, packet[3]);
 
diff --git a/drivers/usb/storage/unusual_uas.h 
b/drivers/usb/storage/unusual_uas.h
index 2fefaf923e4a..18a283d6de1c 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -103,3 +103,10 @@ UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
                "VL711",
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_NO_ATA_1X),
+
+/* Reported-by: Hans de Goede <hdego...@redhat.com> */
+UNUSUAL_DEV(0x4971, 0x1012, 0x0000, 0x9999,
+               "Hitachi",
+               "External HDD",
+               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+               US_FL_IGNORE_UAS),
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 69906cacd04f..a17f11850669 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1312,6 +1312,7 @@ static int
 vhost_scsi_set_endpoint(struct vhost_scsi *vs,
                        struct vhost_scsi_target *t)
 {
+       struct se_portal_group *se_tpg;
        struct tcm_vhost_tport *tv_tport;
        struct tcm_vhost_tpg *tpg;
        struct tcm_vhost_tpg **vs_tpg;
@@ -1359,6 +1360,21 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
                                ret = -EEXIST;
                                goto out;
                        }
+                       /*
+                        * In order to ensure individual vhost-scsi configfs
+                        * groups cannot be removed while in use by vhost ioctl,
+                        * go ahead and take an explicit 
se_tpg->tpg_group.cg_item
+                        * dependency now.
+                        */
+                       se_tpg = &tpg->se_tpg;
+                       ret = 
configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys,
+                                                  &se_tpg->tpg_group.cg_item);
+                       if (ret) {
+                               pr_warn("configfs_depend_item() failed: %d\n", 
ret);
+                               kfree(vs_tpg);
+                               mutex_unlock(&tpg->tv_tpg_mutex);
+                               goto out;
+                       }
                        tpg->tv_tpg_vhost_count++;
                        tpg->vhost_scsi = vs;
                        vs_tpg[tpg->tport_tpgt] = tpg;
@@ -1401,6 +1417,7 @@ static int
 vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
                          struct vhost_scsi_target *t)
 {
+       struct se_portal_group *se_tpg;
        struct tcm_vhost_tport *tv_tport;
        struct tcm_vhost_tpg *tpg;
        struct vhost_virtqueue *vq;
@@ -1449,6 +1466,13 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
                vs->vs_tpg[target] = NULL;
                match = true;
                mutex_unlock(&tpg->tv_tpg_mutex);
+               /*
+                * Release se_tpg->tpg_group.cg_item configfs dependency now
+                * to allow vhost-scsi WWPN se_tpg->tpg_group shutdown to occur.
+                */
+               se_tpg = &tpg->se_tpg;
+               configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys,
+                                      &se_tpg->tpg_group.cg_item);
        }
        if (match) {
                for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
diff --git a/fs/aio.c b/fs/aio.c
index 733750096b71..0ff7c464a478 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -165,6 +165,15 @@ static struct vfsmount *aio_mnt;
 static const struct file_operations aio_ring_fops;
 static const struct address_space_operations aio_ctx_aops;
 
+/* Backing dev info for aio fs.
+ * -no dirty page accounting or writeback happens
+ */
+static struct backing_dev_info aio_fs_backing_dev_info = {
+       .name           = "aiofs",
+       .state          = 0,
+       .capabilities   = BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_MAP_COPY,
+};
+
 static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
 {
        struct qstr this = QSTR_INIT("[aio]", 5);
@@ -176,6 +185,7 @@ static struct file *aio_private_file(struct kioctx *ctx, 
loff_t nr_pages)
 
        inode->i_mapping->a_ops = &aio_ctx_aops;
        inode->i_mapping->private_data = ctx;
+       inode->i_mapping->backing_dev_info = &aio_fs_backing_dev_info;
        inode->i_size = PAGE_SIZE * nr_pages;
 
        path.dentry = d_alloc_pseudo(aio_mnt->mnt_sb, &this);
@@ -220,6 +230,9 @@ static int __init aio_setup(void)
        if (IS_ERR(aio_mnt))
                panic("Failed to create aio fs mount.");
 
+       if (bdi_init(&aio_fs_backing_dev_info))
+               panic("Failed to init aio fs backing dev info.");
+
        kiocb_cachep = KMEM_CACHE(kiocb, SLAB_HWCACHE_ALIGN|SLAB_PANIC);
        kioctx_cachep = KMEM_CACHE(kioctx,SLAB_HWCACHE_ALIGN|SLAB_PANIC);
 
@@ -281,11 +294,6 @@ static const struct file_operations aio_ring_fops = {
        .mmap = aio_ring_mmap,
 };
 
-static int aio_set_page_dirty(struct page *page)
-{
-       return 0;
-}
-
 #if IS_ENABLED(CONFIG_MIGRATION)
 static int aio_migratepage(struct address_space *mapping, struct page *new,
                        struct page *old, enum migrate_mode mode)
@@ -357,7 +365,7 @@ out:
 #endif
 
 static const struct address_space_operations aio_ctx_aops = {
-       .set_page_dirty = aio_set_page_dirty,
+       .set_page_dirty = __set_page_dirty_no_writeback,
 #if IS_ENABLED(CONFIG_MIGRATION)
        .migratepage    = aio_migratepage,
 #endif
@@ -412,7 +420,6 @@ static int aio_setup_ring(struct kioctx *ctx)
                pr_debug("pid(%d) page[%d]->count=%d\n",
                         current->pid, i, page_count(page));
                SetPageUptodate(page);
-               SetPageDirty(page);
                unlock_page(page);
 
                ctx->ring_pages[i] = page;
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 44ee5d2e52a4..8bbcc24fd429 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -80,13 +80,6 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
 {
        int i;
 
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-       /* lockdep really cares that we take all of these spinlocks
-        * in the right order.  If any of the locks in the path are not
-        * currently blocking, it is going to complain.  So, make really
-        * really sure by forcing the path to blocking before we clear
-        * the path blocking.
-        */
        if (held) {
                btrfs_set_lock_blocking_rw(held, held_rw);
                if (held_rw == BTRFS_WRITE_LOCK)
@@ -95,7 +88,6 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
                        held_rw = BTRFS_READ_LOCK_BLOCKING;
        }
        btrfs_set_path_blocking(p);
-#endif
 
        for (i = BTRFS_MAX_LEVEL - 1; i >= 0; i--) {
                if (p->nodes[i] && p->locks[i]) {
@@ -107,10 +99,8 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path 
*p,
                }
        }
 
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
        if (held)
                btrfs_clear_lock_blocking_rw(held, held_rw);
-#endif
 }
 
 /* this also releases the path */
@@ -2902,7 +2892,7 @@ cow_done:
                                        }
                                        p->locks[level] = BTRFS_WRITE_LOCK;
                                } else {
-                                       err = btrfs_try_tree_read_lock(b);
+                                       err = btrfs_tree_read_lock_atomic(b);
                                        if (!err) {
                                                btrfs_set_path_blocking(p);
                                                btrfs_tree_read_lock(b);
@@ -3034,7 +3024,7 @@ again:
                        }
 
                        level = btrfs_header_level(b);
-                       err = btrfs_try_tree_read_lock(b);
+                       err = btrfs_tree_read_lock_atomic(b);
                        if (!err) {
                                btrfs_set_path_blocking(p);
                                btrfs_tree_read_lock(b);
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 5665d2149249..f8229ef1b46d 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -128,6 +128,26 @@ again:
 }
 
 /*
+ * take a spinning read lock.
+ * returns 1 if we get the read lock and 0 if we don't
+ * this won't wait for blocking writers
+ */
+int btrfs_tree_read_lock_atomic(struct extent_buffer *eb)
+{
+       if (atomic_read(&eb->blocking_writers))
+               return 0;
+
+       read_lock(&eb->lock);
+       if (atomic_read(&eb->blocking_writers)) {
+               read_unlock(&eb->lock);
+               return 0;
+       }
+       atomic_inc(&eb->read_locks);
+       atomic_inc(&eb->spinning_readers);
+       return 1;
+}
+
+/*
  * returns 1 if we get the read lock and 0 if we don't
  * this won't wait for blocking writers
  */
@@ -158,9 +178,7 @@ int btrfs_try_tree_write_lock(struct extent_buffer *eb)
            atomic_read(&eb->blocking_readers))
                return 0;
 
-       if (!write_trylock(&eb->lock))
-               return 0;
-
+       write_lock(&eb->lock);
        if (atomic_read(&eb->blocking_writers) ||
            atomic_read(&eb->blocking_readers)) {
                write_unlock(&eb->lock);
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h
index b81e0e9a4894..c44a9d5f5362 100644
--- a/fs/btrfs/locking.h
+++ b/fs/btrfs/locking.h
@@ -35,6 +35,8 @@ void btrfs_clear_lock_blocking_rw(struct extent_buffer *eb, 
int rw);
 void btrfs_assert_tree_locked(struct extent_buffer *eb);
 int btrfs_try_tree_read_lock(struct extent_buffer *eb);
 int btrfs_try_tree_write_lock(struct extent_buffer *eb);
+int btrfs_tree_read_lock_atomic(struct extent_buffer *eb);
+
 
 static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw)
 {
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index e0be57b0f79b..c6d7c879867e 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -801,8 +801,12 @@ static bool nfsd41_cb_get_slot(struct nfs4_client *clp, 
struct rpc_task *task)
 {
        if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
                rpc_sleep_on(&clp->cl_cb_waitq, task, NULL);
-               dprintk("%s slot is busy\n", __func__);
-               return false;
+               /* Race breaker */
+               if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
+                       dprintk("%s slot is busy\n", __func__);
+                       return false;
+               }
+               rpc_wake_up_queued_task(&clp->cl_cb_waitq, task);
        }
        return true;
 }
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 847daf37e566..1579b2171fcc 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -335,12 +335,15 @@ void              nfsd_lockd_shutdown(void);
        (NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT)
 
 #ifdef CONFIG_NFSD_V4_SECURITY_LABEL
-#define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
-       (NFSD4_1_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SECURITY_LABEL)
+#define NFSD4_2_SECURITY_ATTRS         FATTR4_WORD2_SECURITY_LABEL
 #else
-#define NFSD4_2_SUPPORTED_ATTRS_WORD2 0
+#define NFSD4_2_SECURITY_ATTRS         0
 #endif
 
+#define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
+       (NFSD4_1_SUPPORTED_ATTRS_WORD2 | \
+       NFSD4_2_SECURITY_ATTRS)
+
 static inline u32 nfsd_suppattrs0(u32 minorversion)
 {
        return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD0
diff --git a/include/dt-bindings/clock/qcom,mmcc-apq8084.h 
b/include/dt-bindings/clock/qcom,mmcc-apq8084.h
index a929f86d0ddd..d72b5b35f15e 100644
--- a/include/dt-bindings/clock/qcom,mmcc-apq8084.h
+++ b/include/dt-bindings/clock/qcom,mmcc-apq8084.h
@@ -60,7 +60,7 @@
 #define ESC1_CLK_SRC                   43
 #define HDMI_CLK_SRC                   44
 #define VSYNC_CLK_SRC                  45
-#define RBCPR_CLK_SRC                  46
+#define MMSS_RBCPR_CLK_SRC             46
 #define RBBMTIMER_CLK_SRC              47
 #define MAPLE_CLK_SRC                  48
 #define VDP_CLK_SRC                    49
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index cbc5833fb221..38b5f5c88c18 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -18,8 +18,11 @@
  * position @h. For example
  * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000.
  */
-#define GENMASK(h, l)          (((U32_C(1) << ((h) - (l) + 1)) - 1) << (l))
-#define GENMASK_ULL(h, l)      (((U64_C(1) << ((h) - (l) + 1)) - 1) << (l))
+#define GENMASK(h, l) \
+       (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
+
+#define GENMASK_ULL(h, l) \
+       (((~0ULL) << (l)) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h))))
 
 extern unsigned int __sw_hweight8(unsigned int w);
 extern unsigned int __sw_hweight16(unsigned int w);
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 411dd7eb2653..da6996efbf83 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -341,7 +341,6 @@ struct clk_divider {
 #define CLK_DIVIDER_READ_ONLY          BIT(5)
 
 extern const struct clk_ops clk_divider_ops;
-extern const struct clk_ops clk_divider_ro_ops;
 struct clk *clk_register_divider(struct device *dev, const char *name,
                const char *parent_name, unsigned long flags,
                void __iomem *reg, u8 shift, u8 width,
diff --git a/include/linux/iio/events.h b/include/linux/iio/events.h
index 8bbd7bc1043d..03fa332ad2a8 100644
--- a/include/linux/iio/events.h
+++ b/include/linux/iio/events.h
@@ -72,7 +72,7 @@ struct iio_event_data {
 
 #define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
 
-#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF)
+#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
 
 #define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)
 
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 0068708161ff..0a21fbefdfbe 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -242,7 +242,7 @@ static inline void in_dev_put(struct in_device *idev)
 static __inline__ __be32 inet_make_mask(int logmask)
 {
        if (logmask)
-               return htonl(~((1<<(32-logmask))-1));
+               return htonl(~((1U<<(32-logmask))-1));
        return 0;
 }
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 96453f9bc8ba..6b6da8f539b6 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -331,6 +331,7 @@ struct pci_dev {
        unsigned int    is_added:1;
        unsigned int    is_busmaster:1; /* device is busmaster */
        unsigned int    no_msi:1;       /* device may not use msi */
+       unsigned int    no_64bit_msi:1; /* device may only use 32-bit MSIs */
        unsigned int    block_cfg_access:1;     /* config space access is 
blocked */
        unsigned int    broken_parity_status:1; /* Device generates false 
positive parity */
        unsigned int    irq_reroute_variant:2;  /* device needs IRQ rerouting 
variant */
diff --git a/include/sound/soc-dpcm.h b/include/sound/soc-dpcm.h
index 2883a7a6f9f3..98f2ade0266e 100644
--- a/include/sound/soc-dpcm.h
+++ b/include/sound/soc-dpcm.h
@@ -102,6 +102,8 @@ struct snd_soc_dpcm_runtime {
        /* state and update */
        enum snd_soc_dpcm_update runtime_update;
        enum snd_soc_dpcm_state state;
+
+       int trigger_pending; /* trigger cmd + 1 if pending, 0 if not */
 };
 
 /* can this BE stop and free */
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 1d0af8a2c646..ed8f2cde34c5 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1640,7 +1640,6 @@ bool uprobe_deny_signal(void)
                if (__fatal_signal_pending(t) || 
arch_uprobe_xol_was_trapped(t)) {
                        utask->state = UTASK_SSTEP_TRAPPED;
                        set_tsk_thread_flag(t, TIF_UPROBE);
-                       set_tsk_thread_flag(t, TIF_NOTIFY_RESUME);
                }
        }
 
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index f2e15738534d..8f7bd56955b0 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -62,6 +62,10 @@ int __fib_lookup(struct net *net, struct flowi4 *flp, struct 
fib_result *res)
        else
                res->tclassid = 0;
 #endif
+
+       if (err == -ESRCH)
+               err = -ENETUNREACH;
+
        return err;
 }
 EXPORT_SYMBOL_GPL(__fib_lookup);
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index a3c59a077a5f..352476233608 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -217,6 +217,8 @@ static struct sock *ping_lookup(struct net *net, struct 
sk_buff *skb, u16 ident)
                                             &ipv6_hdr(skb)->daddr))
                                continue;
 #endif
+               } else {
+                       continue;
                }
 
                if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif)
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 91729b807c7d..1b095ca37aa4 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1764,6 +1764,7 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket 
*sock,
        struct ipxhdr *ipx = NULL;
        struct sk_buff *skb;
        int copied, rc;
+       bool locked = true;
 
        lock_sock(sk);
        /* put the autobinding in */
@@ -1790,6 +1791,8 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket 
*sock,
        if (sock_flag(sk, SOCK_ZAPPED))
                goto out;
 
+       release_sock(sk);
+       locked = false;
        skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
                                flags & MSG_DONTWAIT, &rc);
        if (!skb) {
@@ -1826,7 +1829,8 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket 
*sock,
 out_free:
        skb_free_datagram(sk, skb);
 out:
-       release_sock(sk);
+       if (locked)
+               release_sock(sk);
        return rc;
 }
 
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index ec24378caaaf..09d9caaec591 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -53,6 +53,9 @@ int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 
*b_0, u8 *aad,
                __aligned(__alignof__(struct aead_request));
        struct aead_request *aead_req = (void *) aead_req_data;
 
+       if (data_len == 0)
+               return -EINVAL;
+
        memset(aead_req, 0, sizeof(aead_req_data));
 
        sg_init_one(&pt, data, data_len);
diff --git a/net/netfilter/nf_conntrack_core.c 
b/net/netfilter/nf_conntrack_core.c
index de88c4ab5146..ec94ba94079f 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -611,12 +611,16 @@ __nf_conntrack_confirm(struct sk_buff *skb)
         */
        NF_CT_ASSERT(!nf_ct_is_confirmed(ct));
        pr_debug("Confirming conntrack %p\n", ct);
-       /* We have to check the DYING flag inside the lock to prevent
-          a race against nf_ct_get_next_corpse() possibly called from
-          user context, else we insert an already 'dead' hash, blocking
-          further use of that particular connection -JM */
+
+       /* We have to check the DYING flag after unlink to prevent
+        * a race against nf_ct_get_next_corpse() possibly called from
+        * user context, else we insert an already 'dead' hash, blocking
+        * further use of that particular connection -JM.
+        */
+       nf_ct_del_from_dying_or_unconfirmed_list(ct);
 
        if (unlikely(nf_ct_is_dying(ct))) {
+               nf_ct_add_to_dying_list(ct);
                nf_conntrack_double_unlock(hash, reply_hash);
                local_bh_enable();
                return NF_ACCEPT;
@@ -636,8 +640,6 @@ __nf_conntrack_confirm(struct sk_buff *skb)
                    zone == nf_ct_zone(nf_ct_tuplehash_to_ctrack(h)))
                        goto out;
 
-       nf_ct_del_from_dying_or_unconfirmed_list(ct);
-
        /* Timer relative to confirmation time, not original
           setting time, otherwise we'd get timer wrap in
           weird delay cases. */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 0a7f848590d2..aae9b84ae603 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -296,7 +296,8 @@ enum {
 
 /* quirks for ATI/AMD HDMI */
 #define AZX_DCAPS_PRESET_ATI_HDMI \
-       (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
+       (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
+        AZX_DCAPS_NO_MSI64)
 
 /* quirks for Nvidia */
 #define AZX_DCAPS_PRESET_NVIDIA \
@@ -1484,6 +1485,7 @@ static int azx_first_init(struct azx *chip)
        struct snd_card *card = chip->card;
        int err;
        unsigned short gcap;
+       unsigned int dma_bits = 64;
 
 #if BITS_PER_LONG != 64
        /* Fix up base address on ULI M5461 */
@@ -1507,9 +1509,14 @@ static int azx_first_init(struct azx *chip)
                return -ENXIO;
        }
 
-       if (chip->msi)
+       if (chip->msi) {
+               if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
+                       dev_dbg(card->dev, "Disabling 64bit MSI\n");
+                       pci->no_64bit_msi = true;
+               }
                if (pci_enable_msi(pci) < 0)
                        chip->msi = 0;
+       }
 
        if (azx_acquire_irq(chip, 0) < 0)
                return -EBUSY;
@@ -1520,9 +1527,14 @@ static int azx_first_init(struct azx *chip)
        gcap = azx_readw(chip, GCAP);
        dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
 
+       /* AMD devices support 40 or 48bit DMA, take the safe one */
+       if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
+               dma_bits = 40;
+
        /* disable SB600 64bit support for safety */
        if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
                struct pci_dev *p_smbus;
+               dma_bits = 40;
                p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
                                         PCI_DEVICE_ID_ATI_SBX00_SMBUS,
                                         NULL);
@@ -1552,9 +1564,11 @@ static int azx_first_init(struct azx *chip)
        }
 
        /* allow 64bit DMA address if supported by H/W */
-       if ((gcap & AZX_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
-               pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
-       else {
+       if (!(gcap & AZX_GCAP_64OK))
+               dma_bits = 32;
+       if (!pci_set_dma_mask(pci, DMA_BIT_MASK(dma_bits))) {
+               pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(dma_bits));
+       } else {
                pci_set_dma_mask(pci, DMA_BIT_MASK(32));
                pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
        }
diff --git a/sound/pci/hda/hda_priv.h b/sound/pci/hda/hda_priv.h
index 949cd437eeb2..5016014e57f2 100644
--- a/sound/pci/hda/hda_priv.h
+++ b/sound/pci/hda/hda_priv.h
@@ -171,6 +171,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 #define AZX_DCAPS_PM_RUNTIME   (1 << 26)       /* runtime PM support */
 #define AZX_DCAPS_I915_POWERWELL (1 << 27)     /* HSW i915 powerwell support */
 #define AZX_DCAPS_CORBRP_SELF_CLEAR (1 << 28)  /* CORBRP clears itself after 
reset */
+#define AZX_DCAPS_NO_MSI64      (1 << 29)      /* Stick to 32-bit MSIs */
 
 /* HD Audio class code */
 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO  0x0403
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 0c9d5880859a..623a9d0c8d52 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5007,7 +5007,6 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x103c, 0x2223, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
        SND_PCI_QUIRK(0x103c, 0x2224, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
        SND_PCI_QUIRK(0x103c, 0x2225, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
-       SND_PCI_QUIRK(0x103c, 0x2246, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
        SND_PCI_QUIRK(0x103c, 0x2253, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
        SND_PCI_QUIRK(0x103c, 0x2254, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
        SND_PCI_QUIRK(0x103c, 0x2255, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
diff --git a/sound/soc/codecs/cs42l51-i2c.c b/sound/soc/codecs/cs42l51-i2c.c
index cee51ae177c1..c40428f25ba5 100644
--- a/sound/soc/codecs/cs42l51-i2c.c
+++ b/sound/soc/codecs/cs42l51-i2c.c
@@ -46,6 +46,7 @@ static struct i2c_driver cs42l51_i2c_driver = {
        .driver = {
                .name = "cs42l51",
                .owner = THIS_MODULE,
+               .of_match_table = cs42l51_of_match,
        },
        .probe = cs42l51_i2c_probe,
        .remove = cs42l51_i2c_remove,
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 09488d97de60..669c38fc3034 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -558,11 +558,13 @@ error:
 }
 EXPORT_SYMBOL_GPL(cs42l51_probe);
 
-static const struct of_device_id cs42l51_of_match[] = {
+const struct of_device_id cs42l51_of_match[] = {
        { .compatible = "cirrus,cs42l51", },
        { }
 };
 MODULE_DEVICE_TABLE(of, cs42l51_of_match);
+EXPORT_SYMBOL_GPL(cs42l51_of_match);
+
 MODULE_AUTHOR("Arnaud Patard <arnaud.pat...@rtp-net.org>");
 MODULE_DESCRIPTION("Cirrus Logic CS42L51 ALSA SoC Codec Driver");
 MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/cs42l51.h b/sound/soc/codecs/cs42l51.h
index 8c55bf384bc6..0ca805492ac4 100644
--- a/sound/soc/codecs/cs42l51.h
+++ b/sound/soc/codecs/cs42l51.h
@@ -22,6 +22,7 @@ struct device;
 
 extern const struct regmap_config cs42l51_regmap;
 int cs42l51_probe(struct device *dev, struct regmap *regmap);
+extern const struct of_device_id cs42l51_of_match[];
 
 #define CS42L51_CHIP_ID                        0x1B
 #define CS42L51_CHIP_REV_A             0x00
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index ba9d9b4d4857..57ab19dbaaf3 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -100,18 +100,18 @@ static const struct reg_default rt5670_reg[] = {
        { 0x4c, 0x5380 },
        { 0x4f, 0x0073 },
        { 0x52, 0x00d3 },
-       { 0x53, 0xf0f0 },
+       { 0x53, 0xf000 },
        { 0x61, 0x0000 },
        { 0x62, 0x0001 },
        { 0x63, 0x00c3 },
        { 0x64, 0x0000 },
-       { 0x65, 0x0000 },
+       { 0x65, 0x0001 },
        { 0x66, 0x0000 },
        { 0x6f, 0x8000 },
        { 0x70, 0x8000 },
        { 0x71, 0x8000 },
        { 0x72, 0x8000 },
-       { 0x73, 0x1110 },
+       { 0x73, 0x7770 },
        { 0x74, 0x0e00 },
        { 0x75, 0x1505 },
        { 0x76, 0x0015 },
@@ -125,21 +125,21 @@ static const struct reg_default rt5670_reg[] = {
        { 0x83, 0x0000 },
        { 0x84, 0x0000 },
        { 0x85, 0x0000 },
-       { 0x86, 0x0008 },
+       { 0x86, 0x0004 },
        { 0x87, 0x0000 },
        { 0x88, 0x0000 },
        { 0x89, 0x0000 },
        { 0x8a, 0x0000 },
        { 0x8b, 0x0000 },
-       { 0x8c, 0x0007 },
+       { 0x8c, 0x0003 },
        { 0x8d, 0x0000 },
        { 0x8e, 0x0004 },
        { 0x8f, 0x1100 },
        { 0x90, 0x0646 },
        { 0x91, 0x0c06 },
        { 0x93, 0x0000 },
-       { 0x94, 0x0000 },
-       { 0x95, 0x0000 },
+       { 0x94, 0x1270 },
+       { 0x95, 0x1000 },
        { 0x97, 0x0000 },
        { 0x98, 0x0000 },
        { 0x99, 0x0000 },
@@ -150,11 +150,11 @@ static const struct reg_default rt5670_reg[] = {
        { 0x9e, 0x0400 },
        { 0xae, 0x7000 },
        { 0xaf, 0x0000 },
-       { 0xb0, 0x6000 },
+       { 0xb0, 0x7000 },
        { 0xb1, 0x0000 },
        { 0xb2, 0x0000 },
        { 0xb3, 0x001f },
-       { 0xb4, 0x2206 },
+       { 0xb4, 0x220c },
        { 0xb5, 0x1f00 },
        { 0xb6, 0x0000 },
        { 0xb7, 0x0000 },
@@ -171,25 +171,25 @@ static const struct reg_default rt5670_reg[] = {
        { 0xcf, 0x1813 },
        { 0xd0, 0x0690 },
        { 0xd1, 0x1c17 },
-       { 0xd3, 0xb320 },
+       { 0xd3, 0xa220 },
        { 0xd4, 0x0000 },
        { 0xd6, 0x0400 },
        { 0xd9, 0x0809 },
        { 0xda, 0x0000 },
        { 0xdb, 0x0001 },
        { 0xdc, 0x0049 },
-       { 0xdd, 0x0009 },
+       { 0xdd, 0x0024 },
        { 0xe6, 0x8000 },
        { 0xe7, 0x0000 },
-       { 0xec, 0xb300 },
+       { 0xec, 0xa200 },
        { 0xed, 0x0000 },
-       { 0xee, 0xb300 },
+       { 0xee, 0xa200 },
        { 0xef, 0x0000 },
        { 0xf8, 0x0000 },
        { 0xf9, 0x0000 },
        { 0xfa, 0x8010 },
        { 0xfb, 0x0033 },
-       { 0xfc, 0x0080 },
+       { 0xfc, 0x0100 },
 };
 
 static bool rt5670_volatile_register(struct device *dev, unsigned int reg)
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index e997d271728d..46ba6ac07442 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1316,8 +1316,7 @@ static int sgtl5000_probe(struct snd_soc_codec *codec)
 
        /* enable small pop, introduce 400ms delay in turning off */
        snd_soc_update_bits(codec, SGTL5000_CHIP_REF_CTRL,
-                               SGTL5000_SMALL_POP,
-                               SGTL5000_SMALL_POP);
+                               SGTL5000_SMALL_POP, 1);
 
        /* disable short cut detector */
        snd_soc_write(codec, SGTL5000_CHIP_SHORT_CTRL, 0);
diff --git a/sound/soc/codecs/sgtl5000.h b/sound/soc/codecs/sgtl5000.h
index 2f8c88931f69..bd7a344bf8c5 100644
--- a/sound/soc/codecs/sgtl5000.h
+++ b/sound/soc/codecs/sgtl5000.h
@@ -275,7 +275,7 @@
 #define SGTL5000_BIAS_CTRL_MASK                        0x000e
 #define SGTL5000_BIAS_CTRL_SHIFT               1
 #define SGTL5000_BIAS_CTRL_WIDTH               3
-#define SGTL5000_SMALL_POP                     0x0001
+#define SGTL5000_SMALL_POP                     0
 
 /*
  * SGTL5000_CHIP_MIC_CTRL
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index f412a9911a75..67124783558a 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1355,6 +1355,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
                          file, blocks, pos - firmware->size);
 
 out_fw:
+       regmap_async_complete(regmap);
        release_firmware(firmware);
        wm_adsp_buf_free(&buf_list);
 out:
diff --git a/sound/soc/rockchip/rockchip_i2s.c 
b/sound/soc/rockchip/rockchip_i2s.c
index fb9e05c9f471..244fb1cd1795 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -152,8 +152,10 @@ static void rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, 
int on)
                        while (val) {
                                regmap_read(i2s->regmap, I2S_CLR, &val);
                                retry--;
-                               if (!retry)
+                               if (!retry) {
                                        dev_warn(i2s->dev, "fail to clear\n");
+                                       break;
+                               }
                        }
                }
        }
diff --git a/sound/soc/samsung/snow.c b/sound/soc/samsung/snow.c
index 0acf5d0eed53..72118a77dd5b 100644
--- a/sound/soc/samsung/snow.c
+++ b/sound/soc/samsung/snow.c
@@ -110,6 +110,7 @@ static const struct of_device_id snow_of_match[] = {
        { .compatible = "google,snow-audio-max98095", },
        {},
 };
+MODULE_DEVICE_TABLE(of, snow_of_match);
 
 static struct platform_driver snow_driver = {
        .driver = {
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index c76344350e44..199f9223346c 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1706,8 +1706,7 @@ static const struct snd_soc_dai_ops fsi_dai_ops = {
 static struct snd_pcm_hardware fsi_pcm_hardware = {
        .info =         SNDRV_PCM_INFO_INTERLEAVED      |
                        SNDRV_PCM_INFO_MMAP             |
-                       SNDRV_PCM_INFO_MMAP_VALID       |
-                       SNDRV_PCM_INFO_PAUSE,
+                       SNDRV_PCM_INFO_MMAP_VALID,
        .buffer_bytes_max       = 64 * 1024,
        .period_bytes_min       = 32,
        .period_bytes_max       = 8192,
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 19f78963e8b9..b67becb8d3dc 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -888,8 +888,7 @@ static int rsnd_dai_probe(struct platform_device *pdev,
 static struct snd_pcm_hardware rsnd_pcm_hardware = {
        .info =         SNDRV_PCM_INFO_INTERLEAVED      |
                        SNDRV_PCM_INFO_MMAP             |
-                       SNDRV_PCM_INFO_MMAP_VALID       |
-                       SNDRV_PCM_INFO_PAUSE,
+                       SNDRV_PCM_INFO_MMAP_VALID,
        .buffer_bytes_max       = 64 * 1024,
        .period_bytes_min       = 32,
        .period_bytes_max       = 8192,
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 002311afdeaa..57277dd79e11 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1522,13 +1522,36 @@ static void dpcm_set_fe_runtime(struct 
snd_pcm_substream *substream)
                dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture);
 }
 
+static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int 
cmd);
+
+/* Set FE's runtime_update state; the state is protected via PCM stream lock
+ * for avoiding the race with trigger callback.
+ * If the state is unset and a trigger is pending while the previous operation,
+ * process the pending trigger action here.
+ */
+static void dpcm_set_fe_update_state(struct snd_soc_pcm_runtime *fe,
+                                    int stream, enum snd_soc_dpcm_update state)
+{
+       struct snd_pcm_substream *substream =
+               snd_soc_dpcm_get_substream(fe, stream);
+
+       snd_pcm_stream_lock_irq(substream);
+       if (state == SND_SOC_DPCM_UPDATE_NO && 
fe->dpcm[stream].trigger_pending) {
+               dpcm_fe_dai_do_trigger(substream,
+                                      fe->dpcm[stream].trigger_pending - 1);
+               fe->dpcm[stream].trigger_pending = 0;
+       }
+       fe->dpcm[stream].runtime_update = state;
+       snd_pcm_stream_unlock_irq(substream);
+}
+
 static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream)
 {
        struct snd_soc_pcm_runtime *fe = fe_substream->private_data;
        struct snd_pcm_runtime *runtime = fe_substream->runtime;
        int stream = fe_substream->stream, ret = 0;
 
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
 
        ret = dpcm_be_dai_startup(fe, fe_substream->stream);
        if (ret < 0) {
@@ -1550,13 +1573,13 @@ static int dpcm_fe_dai_startup(struct snd_pcm_substream 
*fe_substream)
        dpcm_set_fe_runtime(fe_substream);
        snd_pcm_limit_hw_rates(runtime);
 
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
        return 0;
 
 unwind:
        dpcm_be_dai_startup_unwind(fe, fe_substream->stream);
 be_err:
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
        return ret;
 }
 
@@ -1603,7 +1626,7 @@ static int dpcm_fe_dai_shutdown(struct snd_pcm_substream 
*substream)
        struct snd_soc_pcm_runtime *fe = substream->private_data;
        int stream = substream->stream;
 
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
 
        /* shutdown the BEs */
        dpcm_be_dai_shutdown(fe, substream->stream);
@@ -1617,7 +1640,7 @@ static int dpcm_fe_dai_shutdown(struct snd_pcm_substream 
*substream)
        dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
 
        fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
        return 0;
 }
 
@@ -1665,7 +1688,7 @@ static int dpcm_fe_dai_hw_free(struct snd_pcm_substream 
*substream)
        int err, stream = substream->stream;
 
        mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
 
        dev_dbg(fe->dev, "ASoC: hw_free FE %s\n", fe->dai_link->name);
 
@@ -1680,7 +1703,7 @@ static int dpcm_fe_dai_hw_free(struct snd_pcm_substream 
*substream)
        err = dpcm_be_dai_hw_free(fe, stream);
 
        fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_FREE;
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
 
        mutex_unlock(&fe->card->mutex);
        return 0;
@@ -1773,7 +1796,7 @@ static int dpcm_fe_dai_hw_params(struct snd_pcm_substream 
*substream,
        int ret, stream = substream->stream;
 
        mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
 
        memcpy(&fe->dpcm[substream->stream].hw_params, params,
                        sizeof(struct snd_pcm_hw_params));
@@ -1796,7 +1819,7 @@ static int dpcm_fe_dai_hw_params(struct snd_pcm_substream 
*substream,
                fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_PARAMS;
 
 out:
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
        mutex_unlock(&fe->card->mutex);
        return ret;
 }
@@ -1910,7 +1933,7 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, 
int stream,
 }
 EXPORT_SYMBOL_GPL(dpcm_be_dai_trigger);
 
-static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
+static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd)
 {
        struct snd_soc_pcm_runtime *fe = substream->private_data;
        int stream = substream->stream, ret;
@@ -1984,6 +2007,23 @@ out:
        return ret;
 }
 
+static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+       struct snd_soc_pcm_runtime *fe = substream->private_data;
+       int stream = substream->stream;
+
+       /* if FE's runtime_update is already set, we're in race;
+        * process this trigger later at exit
+        */
+       if (fe->dpcm[stream].runtime_update != SND_SOC_DPCM_UPDATE_NO) {
+               fe->dpcm[stream].trigger_pending = cmd + 1;
+               return 0; /* delayed, assuming it's successful */
+       }
+
+       /* we're alone, let's trigger */
+       return dpcm_fe_dai_do_trigger(substream, cmd);
+}
+
 int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
 {
        struct snd_soc_dpcm *dpcm;
@@ -2027,7 +2067,7 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream 
*substream)
 
        dev_dbg(fe->dev, "ASoC: prepare FE %s\n", fe->dai_link->name);
 
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
 
        /* there is no point preparing this FE if there are no BEs */
        if (list_empty(&fe->dpcm[stream].be_clients)) {
@@ -2054,7 +2094,7 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream 
*substream)
        fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
 
 out:
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
        mutex_unlock(&fe->card->mutex);
 
        return ret;
@@ -2201,11 +2241,11 @@ static int dpcm_run_new_update(struct 
snd_soc_pcm_runtime *fe, int stream)
 {
        int ret;
 
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_BE);
        ret = dpcm_run_update_startup(fe, stream);
        if (ret < 0)
                dev_err(fe->dev, "ASoC: failed to startup some BEs\n");
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
 
        return ret;
 }
@@ -2214,11 +2254,11 @@ static int dpcm_run_old_update(struct 
snd_soc_pcm_runtime *fe, int stream)
 {
        int ret;
 
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_BE);
        ret = dpcm_run_update_shutdown(fe, stream);
        if (ret < 0)
                dev_err(fe->dev, "ASoC: failed to shutdown some BEs\n");
-       fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+       dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
 
        return ret;
 }
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 19a921eb75f1..337067cce251 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1146,6 +1146,20 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, 
unsigned int pipe,
        if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) &&
            (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
                mdelay(20);
+
+       /* Marantz/Denon devices with USB DAC functionality need a delay
+        * after each class compliant request
+        */
+       if ((le16_to_cpu(dev->descriptor.idVendor) == 0x154e) &&
+           (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) {
+
+               switch (le16_to_cpu(dev->descriptor.idProduct)) {
+               case 0x3005: /* Marantz HD-DAC1 */
+               case 0x3006: /* Marantz SA-14S1 */
+                       mdelay(20);
+                       break;
+               }
+       }
 }
 
 /*
--
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