Merge tag 'v3.14.26' into backport/v3.14.24-ltsi-rc1+v3.14.26/snapshot-merge.wip
authorSimon Horman <horms+renesas@verge.net.au>
Wed, 10 Dec 2014 00:41:35 +0000 (09:41 +0900)
committerSimon Horman <horms+renesas@verge.net.au>
Wed, 10 Dec 2014 00:41:35 +0000 (09:41 +0900)
This is the 3.14.26 stable release

Conflicts:
Makefile

84 files changed:
Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
Makefile
arch/arm/include/asm/thread_info.h
arch/arm/kernel/traps.c
arch/arm/mm/proc-v7.S
arch/arm/mm/proc-xscale.S
arch/mips/loongson/common/Makefile
arch/mips/oprofile/backtrace.c
arch/powerpc/platforms/powernv/pci-ioda.c
arch/powerpc/platforms/powernv/pci.c
arch/powerpc/platforms/pseries/msi.c
arch/powerpc/xmon/xmon.c
arch/sparc/include/uapi/asm/swab.h
arch/x86/include/asm/cpufeature.h
arch/x86/include/asm/kvm_para.h
arch/x86/include/asm/page_32_types.h
arch/x86/include/asm/page_64_types.h
arch/x86/include/asm/thread_info.h
arch/x86/include/asm/traps.h
arch/x86/kernel/cpu/amd.c
arch/x86/kernel/cpu/common.c
arch/x86/kernel/dumpstack_64.c
arch/x86/kernel/entry_64.S
arch/x86/kernel/traps.c
arch/x86/mm/init_64.c
arch/x86/tools/calc_run_size.pl
drivers/clocksource/sun4i_timer.c
drivers/gpu/drm/radeon/r600_dpm.c
drivers/gpu/drm/radeon/radeon_irq_kms.c
drivers/infiniband/ulp/isert/ib_isert.c
drivers/infiniband/ulp/srpt/ib_srpt.c
drivers/input/joystick/xpad.c
drivers/input/mouse/synaptics.c
drivers/net/bonding/bond_main.c
drivers/net/can/dev.c
drivers/net/can/usb/esd_usb2.c
drivers/net/ieee802154/fakehard.c
drivers/net/ppp/pptp.c
drivers/net/usb/qmi_wwan.c
drivers/net/wireless/ath/ath9k/ar9003_phy.c
drivers/net/wireless/ath/ath9k/hw.c
drivers/net/wireless/rt2x00/rt2x00queue.c
drivers/of/address.c
drivers/pci/msi.c
drivers/pci/probe.c
drivers/scsi/bnx2fc/bnx2fc_fcoe.c
drivers/scsi/scsi_devinfo.c
drivers/spi/spi-dw.c
drivers/staging/rtl8188eu/os_dep/usb_intf.c
drivers/target/target_core_transport.c
drivers/usb/core/quirks.c
drivers/usb/host/xhci-pci.c
drivers/usb/host/xhci-plat.c
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/serial/cp210x.c
drivers/usb/serial/ftdi_sio.c
drivers/usb/serial/ftdi_sio_ids.h
drivers/usb/serial/keyspan.c
drivers/usb/serial/ssu100.c
drivers/vhost/scsi.c
fs/aio.c
fs/locks.c
fs/nfs/pagelist.c
fs/nfsd/nfs4callback.c
fs/nfsd/nfscache.c
fs/nfsd/nfsd.h
include/linux/bitops.h
include/linux/iio/events.h
include/linux/inetdevice.h
include/linux/pci.h
include/sound/soc-dpcm.h
kernel/events/uprobes.c
net/batman-adv/hard-interface.c
net/ipv4/fib_rules.c
net/ipv4/ping.c
net/ipx/af_ipx.c
sound/soc/codecs/sgtl5000.c
sound/soc/codecs/sgtl5000.h
sound/soc/codecs/wm_adsp.c
sound/soc/sh/fsi.c
sound/soc/soc-pcm.c
sound/usb/quirks.c

index ce6a1a0..8a3c408 100644 (file)
@@ -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
 -----------------------------
 
index 216e47a..de8d637 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 14
-SUBLEVEL = 25
+SUBLEVEL = 26
 EXTRAVERSION = -ltsi
 NAME = Remembering Coco
 
index 71a06b2..3e635ee 100644 (file)
@@ -43,16 +43,6 @@ 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.
@@ -78,7 +68,6 @@ 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)                                          \
index 9265b8b..3f31443 100644 (file)
@@ -510,8 +510,6 @@ 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)
 {
@@ -520,24 +518,8 @@ __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)
@@ -550,15 +532,6 @@ __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)
 {
index 74f6033..fdedc31 100644 (file)
@@ -211,7 +211,6 @@ __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 */
@@ -234,7 +233,6 @@ __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
index d19b1cf..b34b95f 100644 (file)
@@ -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)
index 9e4484c..9005a8d 100644 (file)
@@ -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
 
index 6854ed5..83a1dfd 100644 (file)
@@ -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)
index beedaf0..d558b85 100644 (file)
@@ -902,7 +902,6 @@ 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;
@@ -918,7 +917,7 @@ 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 */
index 8518817..52c1162 100644 (file)
@@ -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;
index 0c882e8..6849d85 100644 (file)
@@ -428,7 +428,7 @@ 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) {
                                /*
index b079098..bc5fbc2 100644 (file)
@@ -288,10 +288,10 @@ 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));
index a34ad07..4c7c12d 100644 (file)
@@ -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
index 5f12968..1717156 100644 (file)
 #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 */
index c7678e4..e62cf89 100644 (file)
@@ -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
index f48b17d..3a52ee0 100644 (file)
@@ -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
index 8de6d9c..d54d1ee 100644 (file)
 #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))
index e1940c0..e870ea9 100644 (file)
@@ -144,7 +144,7 @@ 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                                                        \
index 58d66fe..b409b17 100644 (file)
@@ -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
index c67ffa6..c005fdd 100644 (file)
@@ -508,6 +508,13 @@ 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) {
                u64 val;
index 3f27f5f..e6bddd5 100644 (file)
@@ -144,6 +144,8 @@ 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_AVX);
index addb207..66e274a 100644 (file)
@@ -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 ...
index 03cd2a8..02553d6 100644 (file)
@@ -1053,9 +1053,15 @@ 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:
@@ -1083,25 +1089,6 @@ 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
@@ -1147,37 +1134,6 @@ 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
-
 /*
  * End of kprobes section
  */
@@ -1379,7 +1335,7 @@ zeroentry overflow do_overflow
 zeroentry bounds do_bounds
 zeroentry invalid_op do_invalid_op
 zeroentry device_not_available do_device_not_available
-paranoiderrorentry double_fault __do_double_fault
+paranoiderrorentry double_fault do_double_fault
 zeroentry coprocessor_segment_overrun do_coprocessor_segment_overrun
 errorentry invalid_TSS do_invalid_TSS
 errorentry segment_not_present do_segment_not_present
@@ -1549,7 +1505,7 @@ apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
 
 paranoidzeroentry_ist debug do_debug DEBUG_STACK
 paranoidzeroentry_ist int3 do_int3 DEBUG_STACK
-paranoiderrorentry stack_segment do_stack_segment
+errorentry stack_segment do_stack_segment
 #ifdef CONFIG_XEN
 zeroentry xen_debug do_debug
 zeroentry xen_int3 do_int3
@@ -1659,16 +1615,15 @@ 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:
        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
@@ -1679,7 +1634,15 @@ 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)
 
index 57409f6..f9d976e 100644 (file)
@@ -218,32 +218,40 @@ DO_ERROR_INFO(X86_TRAP_UD,     SIGILL,  "invalid opcode",         invalid_op,                  ILL
 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_INFO(X86_TRAP_AC,     SIGBUS,  "alignment check",             alignment_check,             BUS_ADRALN, 0        )
 
 #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);
@@ -376,6 +384,35 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs)
                *regs = *eregs;
        return 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
 
 /*
@@ -748,7 +785,7 @@ 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);
index f35c66c..2308a40 100644 (file)
@@ -1110,7 +1110,7 @@ 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);
@@ -1121,7 +1121,16 @@ 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();
index 0b0b124..23210ba 100644 (file)
@@ -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";
                }
        }
 }
index bf497af..7d19f86 100644 (file)
@@ -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-timer",
                       sun4i_timer_init);
index 813db8d..3334f91 100644 (file)
@@ -1209,7 +1209,7 @@ 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 *)
index 089c9ff..b3f0293 100644 (file)
@@ -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;
index c5c194c..a96cfc3 100644 (file)
@@ -112,9 +112,12 @@ 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;
@@ -220,12 +223,16 @@ 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) {
                device->use_fastreg = 1;
@@ -261,7 +268,7 @@ 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;
@@ -273,7 +280,7 @@ 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;
@@ -718,14 +725,25 @@ 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
@@ -740,6 +758,9 @@ 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);
@@ -749,7 +770,7 @@ 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:
@@ -757,12 +778,6 @@ 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;
 }
 
@@ -970,7 +985,8 @@ isert_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login,
        }
        if (!login->login_failed) {
                if (login->login_complete) {
-                       if (isert_conn->conn_device->use_fastreg) {
+                       if (!conn->sess->sess_ops->SessionType &&
+                           isert_conn->conn_device->use_fastreg) {
                                ret = isert_conn_create_fastreg_pool(isert_conn);
                                if (ret) {
                                        pr_err("Conn: %p failed to create"
@@ -1937,7 +1953,7 @@ isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
                isert_cmd->tx_desc.num_sge = 2;
        }
 
-       isert_init_send_wr(isert_conn, isert_cmd, send_wr, true);
+       isert_init_send_wr(isert_conn, isert_cmd, send_wr, false);
 
        pr_debug("Posting SCSI Response IB_WR_SEND >>>>>>>>>>>>>>>>>>>>>>\n");
 
@@ -2456,7 +2472,7 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
                             &isert_cmd->tx_desc.iscsi_header);
        isert_init_tx_hdrs(isert_conn, &isert_cmd->tx_desc);
        isert_init_send_wr(isert_conn, isert_cmd,
-                          &isert_cmd->tx_desc.send_wr, true);
+                          &isert_cmd->tx_desc.send_wr, false);
 
        atomic_add(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
 
@@ -2768,7 +2784,8 @@ 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);
index d1078ce..0097b8d 100644 (file)
@@ -2091,6 +2091,7 @@ 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)) {
@@ -2114,6 +2115,13 @@ 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;
        }
index 603fe0d..517829f 100644 (file)
@@ -1003,9 +1003,19 @@ 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
index 1e76eb8..a3769cf 100644 (file)
@@ -140,6 +140,10 @@ 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
+       },
        { }
 };
 
index cc38948..1537982 100644 (file)
@@ -2450,9 +2450,9 @@ 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.
                         */
index fc59bc6..cc11f7f 100644 (file)
@@ -384,7 +384,7 @@ 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;
        }
 }
index 7fbe859..f34f7fa 100644 (file)
@@ -1141,6 +1141,7 @@ static void esd_usb2_disconnect(struct usb_interface *intf)
                        }
                }
                unlink_all_urbs(dev);
+               kfree(dev);
        }
 }
 
index bf0d55e..6adbef8 100644 (file)
@@ -376,17 +376,20 @@ 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;
 }
 
index 1aff970..1dc628f 100644 (file)
@@ -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;
 
index d510f1d..db21af8 100644 (file)
@@ -769,6 +769,7 @@ 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 */
index 09facba..390c2de 100644 (file)
@@ -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,
index 9078a6c..dcc1494 100644 (file)
@@ -858,19 +858,6 @@ 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,
index 5642ccc..22d49d5 100644 (file)
@@ -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);
 }
 
index 1a54f1f..005c657 100644 (file)
@@ -401,6 +401,21 @@ 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)
@@ -426,12 +441,10 @@ 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);
index fb02fc2..ced17f2 100644 (file)
@@ -599,6 +599,20 @@ error_attrs:
        return ret;
 }
 
+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
@@ -652,6 +666,13 @@ 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);
@@ -767,6 +788,11 @@ 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
index 6e34498..34dff3a 100644 (file)
@@ -395,15 +395,16 @@ 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;
@@ -417,18 +418,20 @@ 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;
index 9b94850..cc6b13b 100644 (file)
@@ -411,6 +411,7 @@ 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,
@@ -423,6 +424,12 @@ 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;
index 49014a1..c1d04d4 100644 (file)
@@ -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},
index e63d270..e543b80 100644 (file)
@@ -394,9 +394,6 @@ 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;
@@ -437,7 +434,7 @@ 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;
                        if (speed > dws->max_freq) {
                                printk(KERN_ERR "MRST SPI0: unsupported"
@@ -659,7 +656,6 @@ 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 */
index fed699f..2185a71 100644 (file)
@@ -57,6 +57,7 @@ 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 */
 };
index 9232c77..e6463ef 100644 (file)
@@ -2230,7 +2230,7 @@ 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;
        }
index c854593..b195fdb 100644 (file)
@@ -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 },
 
index 7ebfe1c..309fe45 100644 (file)
@@ -283,7 +283,7 @@ 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)
index feed721..bf09ffb 100644 (file)
@@ -201,7 +201,15 @@ 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)
index 0e6665a..1710a86 100644 (file)
@@ -1180,9 +1180,8 @@ 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);
        }
 }
 
index 5e8e87d..58f420d 100644 (file)
@@ -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);
@@ -842,13 +844,47 @@ 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;
@@ -859,6 +895,10 @@ 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);
index 6d13ec7..2c8c598 100644 (file)
@@ -1763,7 +1763,7 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
 void xhci_init_driver(struct hc_driver *drv, int (*setup_fn)(struct usb_hcd *));
 
 #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
index 3beae72..5741e94 100644 (file)
@@ -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 */
index a523ada..debcdef 100644 (file)
@@ -483,6 +483,39 @@ 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) },
index 6786b70..e52409c 100644 (file)
 #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
 #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)
index 265c677..49101fe 100644 (file)
@@ -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);
                        }
@@ -666,14 +672,19 @@ 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);
                        }
@@ -730,15 +741,19 @@ 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;
@@ -790,25 +805,31 @@ 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);
                                }
index a7fe664..70a098d 100644 (file)
@@ -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]);
 
index e48d4a6..5d0b7b8 100644 (file)
@@ -1200,6 +1200,7 @@ 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;
@@ -1247,6 +1248,21 @@ 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;
@@ -1289,6 +1305,7 @@ 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;
@@ -1337,6 +1354,13 @@ 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++) {
index f45ddaa..2f7e8c2 100644 (file)
--- 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);
@@ -221,6 +231,9 @@ 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);
 
@@ -282,11 +295,6 @@ 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)
@@ -358,7 +366,7 @@ 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
@@ -413,7 +421,6 @@ 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;
index 4dd39b9..2c61c4e 100644 (file)
@@ -2235,16 +2235,28 @@ void locks_remove_flock(struct file *filp)
 
        while ((fl = *before) != NULL) {
                if (fl->fl_file == filp) {
-                       if (IS_FLOCK(fl)) {
-                               locks_delete_lock(before);
-                               continue;
-                       }
                        if (IS_LEASE(fl)) {
                                lease_modify(before, F_UNLCK);
                                continue;
                        }
-                       /* What? */
-                       BUG();
+
+                       /*
+                        * There's a leftover lock on the list of a type that
+                        * we didn't expect to see. Most likely a classic
+                        * POSIX lock that ended up not getting released
+                        * properly, or that raced onto the list somehow. Log
+                        * some info about it and then just remove it from
+                        * the list.
+                        */
+                       WARN(!IS_FLOCK(fl),
+                               "leftover lock: dev=%u:%u ino=%lu type=%hhd flags=0x%x start=%lld end=%lld\n",
+                               MAJOR(inode->i_sb->s_dev),
+                               MINOR(inode->i_sb->s_dev), inode->i_ino,
+                               fl->fl_type, fl->fl_flags,
+                               fl->fl_start, fl->fl_end);
+
+                       locks_delete_lock(before);
+                       continue;
                }
                before = &fl->fl_next;
        }
index 2ffebf2..27d7f27 100644 (file)
@@ -113,7 +113,7 @@ __nfs_iocounter_wait(struct nfs_io_counter *c)
                if (atomic_read(&c->io_count) == 0)
                        break;
                ret = nfs_wait_bit_killable(&c->flags);
-       } while (atomic_read(&c->io_count) != 0);
+       } while (atomic_read(&c->io_count) != 0 && !ret);
        finish_wait(wq, &q.wait);
        return ret;
 }
index cc8c5b3..f42bbe5 100644 (file)
@@ -784,8 +784,12 @@ 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;
 }
index f8f060f..6040da8 100644 (file)
@@ -224,13 +224,6 @@ hash_refile(struct svc_cacherep *rp)
        hlist_add_head(&rp->c_hash, cache_hash + hash_32(rp->c_xid, maskbits));
 }
 
-static inline bool
-nfsd_cache_entry_expired(struct svc_cacherep *rp)
-{
-       return rp->c_state != RC_INPROG &&
-              time_after(jiffies, rp->c_timestamp + RC_EXPIRE);
-}
-
 /*
  * Walk the LRU list and prune off entries that are older than RC_EXPIRE.
  * Also prune the oldest ones when the total exceeds the max number of entries.
@@ -242,8 +235,14 @@ prune_cache_entries(void)
        long freed = 0;
 
        list_for_each_entry_safe(rp, tmp, &lru_head, c_lru) {
-               if (!nfsd_cache_entry_expired(rp) &&
-                   num_drc_entries <= max_drc_entries)
+               /*
+                * Don't free entries attached to calls that are still
+                * in-progress, but do keep scanning the list.
+                */
+               if (rp->c_state == RC_INPROG)
+                       continue;
+               if (num_drc_entries <= max_drc_entries &&
+                   time_before(jiffies, rp->c_timestamp + RC_EXPIRE))
                        break;
                nfsd_reply_cache_free_locked(rp);
                freed++;
index 479eb68..f417fef 100644 (file)
@@ -328,12 +328,15 @@ 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
index be5fd38..5d858e0 100644 (file)
  * 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);
index 8bbd7bc..03fa332 100644 (file)
@@ -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)
 
index 0068708..0a21fbe 100644 (file)
@@ -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;
 }
 
index 33aa2ca..0e5e16c 100644 (file)
@@ -324,6 +324,7 @@ 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 */
index 2883a7a..98f2ade 100644 (file)
@@ -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 */
index 307d87c..1139b22 100644 (file)
@@ -1621,7 +1621,6 @@ 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);
                }
        }
 
index b851cc5..fbda6b5 100644 (file)
@@ -83,7 +83,7 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
                return true;
 
        /* no more parents..stop recursion */
-       if (net_dev->iflink == net_dev->ifindex)
+       if (net_dev->iflink == 0 || net_dev->iflink == net_dev->ifindex)
                return false;
 
        /* recurse over the parent device */
index f2e1573..8f7bd56 100644 (file)
@@ -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);
index e21934b..0d33f94 100644 (file)
@@ -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)
index 00b2a6d..d65aea2 100644 (file)
@@ -1763,6 +1763,7 @@ 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 */
@@ -1789,6 +1790,8 @@ 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)
@@ -1822,7 +1825,8 @@ 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;
 }
 
index 0fcbe90..12528e9 100644 (file)
@@ -1369,8 +1369,7 @@ 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);
index 2f8c889..bd7a344 100644 (file)
 #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
index 53c03af..0502e3f 100644 (file)
@@ -1341,6 +1341,7 @@ 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:
index 7a6b632..3796e33 100644 (file)
@@ -1759,8 +1759,7 @@ 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,
index 02733de..e28704e 100644 (file)
@@ -1258,13 +1258,36 @@ 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) {
@@ -1286,13 +1309,13 @@ 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;
 }
 
@@ -1339,7 +1362,7 @@ 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);
@@ -1353,7 +1376,7 @@ 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;
 }
 
@@ -1401,7 +1424,7 @@ 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);
 
@@ -1416,7 +1439,7 @@ 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;
@@ -1509,7 +1532,7 @@ 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));
@@ -1532,7 +1555,7 @@ 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;
 }
@@ -1646,7 +1669,7 @@ 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;
@@ -1720,6 +1743,23 @@ 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;
@@ -1763,7 +1803,7 @@ 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)) {
@@ -1790,7 +1830,7 @@ 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;
@@ -1937,11 +1977,11 @@ 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;
 }
@@ -1950,11 +1990,11 @@ 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;
 }
index c64a3d9..827d404 100644 (file)
@@ -1142,6 +1142,20 @@ 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;
+               }
+       }
 }
 
 /*