36 files changed, 498 insertions, 82 deletions
diff --git a/include/asm-arm/arch-ixp4xx/debug-macro.S b/include/asm-arm/arch-ixp4xx/debug-macro.S
index 45a6c6cc29d5..2e23651e217f 100644
--- a/include/asm-arm/arch-ixp4xx/debug-macro.S
+++ b/include/asm-arm/arch-ixp4xx/debug-macro.S
@@ -14,8 +14,8 @@
                mrc     p15, 0, \rx, c1, c0
                tst     \rx, #1                 @ MMU enabled?
                moveq   \rx, #0xc8000000
-                orrne   \rx, \rx, #0x00b00000
                movne   \rx, #0xff000000
+                orrne   \rx, \rx, #0x00b00000
                add     \rx,\rx,#3              @ Uart regs are at off set of 3 if
                                                @ byte writes used - Big Endian.
                .endm
diff --git a/include/asm-arm/arch-omap/usb.h b/include/asm-arm/arch-omap/usb.h
index 1438c6cef0ca..054fb9a8e0c6 100644
--- a/include/asm-arm/arch-omap/usb.h
+++ b/include/asm-arm/arch-omap/usb.h
@@ -47,6 +47,15 @@
 #       define   HMC_TLLATTACH          (1 << 6)
 #       define   OTG_HMC(w)             (((w)>>0)&0x3f)
 #define OTG_CTRL_REG                    OTG_REG32(0x0c)
+#       define   OTG_USB2_EN            (1 << 29)
+#       define   OTG_USB2_DP            (1 << 28)
+#       define   OTG_USB2_DM            (1 << 27)
+#       define   OTG_USB1_EN            (1 << 26)
+#       define   OTG_USB1_DP            (1 << 25)
+#       define   OTG_USB1_DM            (1 << 24)
+#       define   OTG_USB0_EN            (1 << 23)
+#       define   OTG_USB0_DP            (1 << 22)
+#       define   OTG_USB0_DM            (1 << 21)
 #       define   OTG_ASESSVLD           (1 << 20)
 #       define   OTG_BSESSEND           (1 << 19)
 #       define   OTG_BSESSVLD           (1 << 18)
diff --git a/include/asm-arm/ide.h b/include/asm-arm/ide.h
index 2114acb3d237..4f68c8a5a199 100644
--- a/include/asm-arm/ide.h
+++ b/include/asm-arm/ide.h
@@ -5,7 +5,7 @@
 */
 /*
- *  This file contains the i386 architecture specific IDE code.
+ *  This file contains the ARM architecture specific IDE code.
 */
 #ifndef __ASMARM_IDE_H
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index cc4b5f5dbfcf..cfa71a0dffb6 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -82,7 +82,7 @@ extern void __readwrite_bug(const char *fn);
 * only.  Their primary purpose is to access PCI and ISA peripherals.
 *
 * Note that for a big endian machine, this implies that the following
- * big endian mode connectivity is in place, as described by numerious
+ * big endian mode connectivity is in place, as described by numerous
 * ARM documents:
 *
 *    PCI:  D0-D7   D8-D15 D16-D23 D24-D31
diff --git a/include/asm-arm/mach/time.h b/include/asm-arm/mach/time.h
index 047980ad18d1..2cf279a44017 100644
--- a/include/asm-arm/mach/time.h
+++ b/include/asm-arm/mach/time.h
@@ -60,6 +60,8 @@ struct dyn_tick_timer {
 };
 void timer_dyn_reprogram(void);
+#else
+#define timer_dyn_reprogram()   do { } while (0)
 #endif
 extern struct sys_timer *system_timer;
diff --git a/include/asm-i386/tlbflush.h b/include/asm-i386/tlbflush.h
index f22fab0cea26..ab216e1370ef 100644
--- a/include/asm-i386/tlbflush.h
+++ b/include/asm-i386/tlbflush.h
@@ -22,16 +22,18 @@
 */
 #define __flush_tlb_global()                                            \
        do {                                                            \
-                unsigned int tmpreg;                                    \
+                unsigned int tmpreg, cr4, cr4_orig;                     \
                                                                        \
                __asm__ __volatile__(                                   \
-                        "movl %1, %%cr4;  # turn off PGE     \n"        \
+                        "movl %%cr4, %2;  # turn off PGE     \n"        \
+                        "movl %2, %1;                        \n"        \
+                        "andl %3, %1;                        \n"        \
+                        "movl %1, %%cr4;                     \n"        \
                        "movl %%cr3, %0;                     \n"        \
                        "movl %0, %%cr3;  # flush TLB        \n"        \
                        "movl %2, %%cr4;  # turn PGE back on \n"        \
-                        : "=&r" (tmpreg)                                \
+                        : "=&r" (tmpreg), "=&r" (cr4), "=&r" (cr4_orig) \
-                        : "r" (mmu_cr4_features & ~X86_CR4_PGE),        \
+                        : "i" (~X86_CR4_PGE)                            \
-                          "r" (mmu_cr4_features)                        \
                        : "memory");                                    \
        } while (0)
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index 176413fb9ae3..e25e4c71a879 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -294,8 +294,10 @@
 #define __NR_add_key            286
 #define __NR_request_key        287
 #define __NR_keyctl             288
+#define __NR_ioprio_set         289
+#define __NR_ioprio_get         290
-#define NR_syscalls 289
+#define NR_syscalls 291
 /*
 * user-visible error numbers are in the range -1 - -128: see
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
index 7b700035e36d..bf36a32e37e4 100644
--- a/include/asm-ia64/kprobes.h
+++ b/include/asm-ia64/kprobes.h
@@ -28,6 +28,7 @@
 #include <linux/ptrace.h>
 #include <asm/break.h>
+#define MAX_INSN_SIZE   16
 #define BREAK_INST      (long)(__IA64_BREAK_KPROBE << 6)
 typedef union cmp_inst {
@@ -63,6 +64,8 @@ typedef struct _bundle {
 #define JPROBE_ENTRY(pentry)    (kprobe_opcode_t *)pentry
+#define ARCH_SUPPORTS_KRETPROBES
 #define SLOT0_OPCODE_SHIFT      (37)
 #define SLOT1_p1_OPCODE_SHIFT   (37 - (64-46))
 #define SLOT2_OPCODE_SHIFT      (37)
@@ -94,11 +97,6 @@ struct arch_specific_insn {
 };
 /* ia64 does not need this */
-static inline void jprobe_return(void)
-{
-}
-/* ia64 does not need this */
 static inline void arch_copy_kprobe(struct kprobe *p)
 {
 }
@@ -106,6 +104,12 @@ static inline void arch_copy_kprobe(struct kprobe *p)
 #ifdef CONFIG_KPROBES
 extern int kprobe_exceptions_notify(struct notifier_block *self,
                                    unsigned long val, void *data);
+/* ia64 does not need this */
+static inline void jprobe_return(void)
+{
+}
 #else                           /* !CONFIG_KPROBES */
 static inline int kprobe_exceptions_notify(struct notifier_block *self,
                                           unsigned long val, void *data)
diff --git a/include/asm-ia64/sections.h b/include/asm-ia64/sections.h
index 8e3dbde1b429..e9eb7f62d32b 100644
--- a/include/asm-ia64/sections.h
+++ b/include/asm-ia64/sections.h
@@ -17,6 +17,7 @@ extern char __start_gate_vtop_patchlist[], __end_gate_vtop_patchlist[];
 extern char __start_gate_fsyscall_patchlist[], __end_gate_fsyscall_patchlist[];
 extern char __start_gate_brl_fsys_bubble_down_patchlist[], __end_gate_brl_fsys_bubble_down_patchlist[];
 extern char __start_unwind[], __end_unwind[];
+extern char __start_ivt_text[], __end_ivt_text[];
 #endif /* _ASM_IA64_SECTIONS_H */
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index f7f43ec2483a..517f1649ee64 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -263,6 +263,8 @@
 #define __NR_add_key                    1271
 #define __NR_request_key                1272
 #define __NR_keyctl                     1273
+#define __NR_ioprio_set                 1274
+#define __NR_ioprio_get                 1275
 #define __NR_set_zone_reclaim           1276
 #ifdef __KERNEL__
diff --git a/include/asm-ppc/open_pic.h b/include/asm-ppc/open_pic.h
index dbe853319741..7848aa610c05 100644
--- a/include/asm-ppc/open_pic.h
+++ b/include/asm-ppc/open_pic.h
@@ -25,6 +25,11 @@
 #define OPENPIC_VEC_IPI         118     /* and up */
 #define OPENPIC_VEC_SPURIOUS    255
+/* Priorities */
+#define OPENPIC_PRIORITY_IPI_BASE       10
+#define OPENPIC_PRIORITY_DEFAULT        4
+#define OPENPIC_PRIORITY_NMI            9
 /* OpenPIC IRQ controller structure */
 extern struct hw_interrupt_type open_pic;
@@ -42,6 +47,7 @@ extern int epic_serial_mode;
 extern void openpic_set_sources(int first_irq, int num_irqs, void __iomem *isr);
 extern void openpic_init(int linux_irq_offset);
 extern void openpic_init_nmi_irq(u_int irq);
+extern void openpic_set_irq_priority(u_int irq, u_int pri);
 extern void openpic_hookup_cascade(u_int irq, char *name,
                                   int (*cascade_fn)(struct pt_regs *));
 extern u_int openpic_irq(void);
diff --git a/include/asm-ppc/unistd.h b/include/asm-ppc/unistd.h
index cc51e5c9acc2..e8b79220b29c 100644
--- a/include/asm-ppc/unistd.h
+++ b/include/asm-ppc/unistd.h
@@ -277,8 +277,10 @@
 #define __NR_request_key        270
 #define __NR_keyctl             271
 #define __NR_waitid             272
+#define __NR_ioprio_set         273
+#define __NR_ioprio_get         274
-#define __NR_syscalls           273
+#define __NR_syscalls           275
 #define __NR(n) #n
diff --git a/include/asm-ppc64/kprobes.h b/include/asm-ppc64/kprobes.h
index 19b468bed059..0802919c3235 100644
--- a/include/asm-ppc64/kprobes.h
+++ b/include/asm-ppc64/kprobes.h
@@ -42,10 +42,13 @@ typedef unsigned int kprobe_opcode_t;
 #define JPROBE_ENTRY(pentry)    (kprobe_opcode_t *)((func_descr_t *)pentry)
+#define ARCH_SUPPORTS_KRETPROBES
+void kretprobe_trampoline(void);
 /* Architecture specific copy of original instruction */
 struct arch_specific_insn {
        /* copy of original instruction */
-        kprobe_opcode_t insn[MAX_INSN_SIZE];
+        kprobe_opcode_t *insn;
 };
 #ifdef CONFIG_KPROBES
diff --git a/include/asm-x86_64/tlbflush.h b/include/asm-x86_64/tlbflush.h
index 2e811ac262af..061742382520 100644
--- a/include/asm-x86_64/tlbflush.h
+++ b/include/asm-x86_64/tlbflush.h
@@ -22,16 +22,18 @@
 */
 #define __flush_tlb_global()                                            \
        do {                                                            \
-                unsigned long tmpreg;                                   \
+                unsigned long tmpreg, cr4, cr4_orig;                    \
                                                                        \
                __asm__ __volatile__(                                   \
-                        "movq %1, %%cr4;  # turn off PGE     \n"        \
+                        "movq %%cr4, %2;  # turn off PGE     \n"        \
+                        "movq %2, %1;                        \n"        \
+                        "andq %3, %1;                        \n"        \
+                        "movq %1, %%cr4;                     \n"        \
                        "movq %%cr3, %0;  # flush TLB        \n"        \
                        "movq %0, %%cr3;                     \n"        \
                        "movq %2, %%cr4;  # turn PGE back on \n"        \
-                        : "=&r" (tmpreg)                                \
+                        : "=&r" (tmpreg), "=&r" (cr4), "=&r" (cr4_orig) \
-                        : "r" (mmu_cr4_features & ~X86_CR4_PGE),        \
+                        : "i" (~X86_CR4_PGE)                            \
-                          "r" (mmu_cr4_features)                        \
                        : "memory");                                    \
        } while (0)
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index d767adcbf0ff..6560439a83e4 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -561,8 +561,12 @@ __SYSCALL(__NR_add_key, sys_add_key)
 __SYSCALL(__NR_request_key, sys_request_key)
 #define __NR_keyctl             250
 __SYSCALL(__NR_keyctl, sys_keyctl)
+#define __NR_ioprio_set         251
+__SYSCALL(__NR_ioprio_set, sys_ioprio_set)
+#define __NR_ioprio_get         252
+__SYSCALL(__NR_ioprio_get, sys_ioprio_get)
-#define __NR_syscall_max __NR_keyctl
+#define __NR_syscall_max __NR_ioprio_get
 #ifndef __NO_STUBS
 /* user-visible error numbers are in the range -1 - -4095 */
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 038022763f09..36ef29fa0d8b 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -22,6 +22,7 @@
 #include <linux/highmem.h>
 #include <linux/mempool.h>
+#include <linux/ioprio.h>
 /* Platforms may set this to teach the BIO layer about IOMMU hardware. */
 #include <asm/io.h>
@@ -150,6 +151,19 @@ struct bio {
 #define BIO_RW_SYNC     4
 /*
+ * upper 16 bits of bi_rw define the io priority of this bio
+ */
+#define BIO_PRIO_SHIFT  (8 * sizeof(unsigned long) - IOPRIO_BITS)
+#define bio_prio(bio)   ((bio)->bi_rw >> BIO_PRIO_SHIFT)
+#define bio_prio_valid(bio)     ioprio_valid(bio_prio(bio))
+#define bio_set_prio(bio, prio)         do {                    \
+        WARN_ON(prio >= (1 << IOPRIO_BITS));                    \
+        (bio)->bi_rw &= ((1UL << BIO_PRIO_SHIFT) - 1);          \
+        (bio)->bi_rw |= ((unsigned long) (prio) << BIO_PRIO_SHIFT);     \
+} while (0)
+/*
 * various member access, note that bio_data should of course not be used
 * on highmem page vectors
 */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b54a0348a890..21a8674cd149 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -54,16 +54,23 @@ struct as_io_context {
 struct cfq_queue;
 struct cfq_io_context {
-        void (*dtor)(struct cfq_io_context *);
-        void (*exit)(struct cfq_io_context *);
-        struct io_context *ioc;
        /*
         * circular list of cfq_io_contexts belonging to a process io context
         */
        struct list_head list;
        struct cfq_queue *cfqq;
+        void *key;
+        struct io_context *ioc;
+        unsigned long last_end_request;
+        unsigned long last_queue;
+        unsigned long ttime_total;
+        unsigned long ttime_samples;
+        unsigned long ttime_mean;
+        void (*dtor)(struct cfq_io_context *);
+        void (*exit)(struct cfq_io_context *);
 };
 /*
@@ -73,7 +80,9 @@ struct cfq_io_context {
 */
 struct io_context {
        atomic_t refcount;
-        pid_t pid;
+        struct task_struct *task;
+        int (*set_ioprio)(struct io_context *, unsigned int);
        /*
         * For request batching
@@ -81,8 +90,6 @@ struct io_context {
        unsigned long last_waited; /* Time last woken after wait for request */
        int nr_batch_requests;     /* Number of requests left in the batch */
-        spinlock_t lock;
        struct as_io_context *aic;
        struct cfq_io_context *cic;
 };
@@ -134,6 +141,8 @@ struct request {
        void *elevator_private;
+        unsigned short ioprio;
        int rq_status;  /* should split this into a few status bits */
        struct gendisk *rq_disk;
        int errors;
diff --git a/include/linux/cciss_ioctl.h b/include/linux/cciss_ioctl.h
index ee0c6e8995da..424d5e622b43 100644
--- a/include/linux/cciss_ioctl.h
+++ b/include/linux/cciss_ioctl.h
@@ -10,6 +10,7 @@
 typedef struct _cciss_pci_info_struct
 {
        unsigned char   bus;
+        unsigned short  domain;
        unsigned char   dev_fn;
        __u32           board_id;
 } cciss_pci_info_struct; 
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index ee54f81faad5..ea6bbc2d7407 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -16,9 +16,9 @@ typedef void (elevator_remove_req_fn) (request_queue_t *, struct request *);
 typedef void (elevator_requeue_req_fn) (request_queue_t *, struct request *);
 typedef struct request *(elevator_request_list_fn) (request_queue_t *, struct request *);
 typedef void (elevator_completed_req_fn) (request_queue_t *, struct request *);
-typedef int (elevator_may_queue_fn) (request_queue_t *, int);
+typedef int (elevator_may_queue_fn) (request_queue_t *, int, struct bio *);
-typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, int);
+typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, struct bio *, int);
 typedef void (elevator_put_req_fn) (request_queue_t *, struct request *);
 typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *);
@@ -96,9 +96,9 @@ extern struct request *elv_former_request(request_queue_t *, struct request *);
 extern struct request *elv_latter_request(request_queue_t *, struct request *);
 extern int elv_register_queue(request_queue_t *q);
 extern void elv_unregister_queue(request_queue_t *q);
-extern int elv_may_queue(request_queue_t *, int);
+extern int elv_may_queue(request_queue_t *, int, struct bio *);
 extern void elv_completed_request(request_queue_t *, struct request *);
-extern int elv_set_request(request_queue_t *, struct request *, int);
+extern int elv_set_request(request_queue_t *, struct request *, struct bio *, int);
 extern void elv_put_request(request_queue_t *, struct request *);
 /*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3ae8e37bdfc8..047bde30836a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -213,6 +213,7 @@ extern int dir_notify_enable;
 #include <linux/radix-tree.h>
 #include <linux/prio_tree.h>
 #include <linux/init.h>
+#include <linux/sched.h>
 #include <asm/atomic.h>
 #include <asm/semaphore.h>
@@ -822,16 +823,34 @@ enum {
 #define vfs_check_frozen(sb, level) \
        wait_event((sb)->s_wait_unfrozen, ((sb)->s_frozen < (level)))
+static inline void get_fs_excl(void)
+{
+        atomic_inc(&current->fs_excl);
+}
+static inline void put_fs_excl(void)
+{
+        atomic_dec(&current->fs_excl);
+}
+static inline int has_fs_excl(void)
+{
+        return atomic_read(&current->fs_excl);
+}
 /*
 * Superblock locking.
 */
 static inline void lock_super(struct super_block * sb)
 {
+        get_fs_excl();
        down(&sb->s_lock);
 }
 static inline void unlock_super(struct super_block * sb)
 {
+        put_fs_excl();
        up(&sb->s_lock);
 }
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 03206a425d7a..c727c195a91a 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -81,6 +81,7 @@ extern struct group_info init_groups;
        .mm             = NULL,                                         \
        .active_mm      = &init_mm,                                     \
        .run_list       = LIST_HEAD_INIT(tsk.run_list),                 \
+        .ioprio         = 0,                                            \
        .time_slice     = HZ,                                           \
        .tasks          = LIST_HEAD_INIT(tsk.tasks),                    \
        .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children),          \
@@ -110,6 +111,7 @@ extern struct group_info init_groups;
        .proc_lock      = SPIN_LOCK_UNLOCKED,                           \
        .journal_info   = NULL,                                         \
        .cpu_timers     = INIT_CPU_TIMERS(tsk.cpu_timers),              \
+        .fs_excl        = ATOMIC_INIT(0),                               \
 }
diff --git a/include/linux/input.h b/include/linux/input.h
index 9d9598ed760d..b9cc0ac71f44 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -859,6 +859,10 @@ struct input_dev {
        int (*erase_effect)(struct input_dev *dev, int effect_id);
        struct input_handle *grab;
+        struct semaphore sem;   /* serializes open and close operations */
+        unsigned int users;
        struct device *dev;
        struct list_head        h_list;
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
new file mode 100644
index 000000000000..8a453a0b5e4b
--- /dev/null
+++ b/include/linux/ioprio.h
@@ -0,0 +1,88 @@
+#ifndef IOPRIO_H
+#define IOPRIO_H
+#include <linux/sched.h>
+/*
+ * Gives us 8 prio classes with 13-bits of data for each class
+ */
+#define IOPRIO_BITS             (16)
+#define IOPRIO_CLASS_SHIFT      (13)
+#define IOPRIO_PRIO_MASK        ((1UL << IOPRIO_CLASS_SHIFT) - 1)
+#define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT)
+#define IOPRIO_PRIO_DATA(mask)  ((mask) & IOPRIO_PRIO_MASK)
+#define IOPRIO_PRIO_VALUE(class, data)  (((class) << IOPRIO_CLASS_SHIFT) | data)
+#define ioprio_valid(mask)      (IOPRIO_PRIO_CLASS((mask)) != IOPRIO_CLASS_NONE)
+/*
+ * These are the io priority groups as implemented by CFQ. RT is the realtime
+ * class, it always gets premium service. BE is the best-effort scheduling
+ * class, the default for any process. IDLE is the idle scheduling class, it
+ * is only served when no one else is using the disk.
+ */
+enum {
+        IOPRIO_CLASS_NONE,
+        IOPRIO_CLASS_RT,
+        IOPRIO_CLASS_BE,
+        IOPRIO_CLASS_IDLE,
+};
+/*
+ * 8 best effort priority levels are supported
+ */
+#define IOPRIO_BE_NR    (8)
+asmlinkage int sys_ioprio_set(int, int, int);
+asmlinkage int sys_ioprio_get(int, int);
+enum {
+        IOPRIO_WHO_PROCESS = 1,
+        IOPRIO_WHO_PGRP,
+        IOPRIO_WHO_USER,
+};
+/*
+ * if process has set io priority explicitly, use that. if not, convert
+ * the cpu scheduler nice value to an io priority
+ */
+#define IOPRIO_NORM     (4)
+static inline int task_ioprio(struct task_struct *task)
+{
+        WARN_ON(!ioprio_valid(task->ioprio));
+        return IOPRIO_PRIO_DATA(task->ioprio);
+}
+static inline int task_nice_ioprio(struct task_struct *task)
+{
+        return (task_nice(task) + 20) / 5;
+}
+/*
+ * For inheritance, return the highest of the two given priorities
+ */
+static inline int ioprio_best(unsigned short aprio, unsigned short bprio)
+{
+        unsigned short aclass = IOPRIO_PRIO_CLASS(aprio);
+        unsigned short bclass = IOPRIO_PRIO_CLASS(bprio);
+        if (!ioprio_valid(aprio))
+                return bprio;
+        if (!ioprio_valid(bprio))
+                return aprio;
+        if (aclass == IOPRIO_CLASS_NONE)
+                aclass = IOPRIO_CLASS_BE;
+        if (bclass == IOPRIO_CLASS_NONE)
+                bclass = IOPRIO_CLASS_BE;
+        if (aclass == bclass)
+                return min(aprio, bprio);
+        if (aclass > bclass)
+                return bprio;
+        else
+                return aprio;
+}
+#endif
diff --git a/include/linux/joystick.h b/include/linux/joystick.h
index b7e0ab622cd7..06b9af77eb7f 100644
--- a/include/linux/joystick.h
+++ b/include/linux/joystick.h
@@ -111,18 +111,35 @@ struct js_corr {
 #define JS_SET_ALL              8
 struct JS_DATA_TYPE {
-        int buttons;
+        __s32 buttons;
-        int x;
+        __s32 x;
-        int y;
+        __s32 y;
 };
-struct JS_DATA_SAVE_TYPE {
+struct JS_DATA_SAVE_TYPE_32 {
-        int JS_TIMEOUT;
+        __s32 JS_TIMEOUT;
-        int BUSY;
+        __s32 BUSY;
-        long JS_EXPIRETIME;
+        __s32 JS_EXPIRETIME;
-        long JS_TIMELIMIT;
+        __s32 JS_TIMELIMIT;
        struct JS_DATA_TYPE JS_SAVE;
        struct JS_DATA_TYPE JS_CORR;
 };
+struct JS_DATA_SAVE_TYPE_64 {
+        __s32 JS_TIMEOUT;
+        __s32 BUSY;
+        __s64 JS_EXPIRETIME;
+        __s64 JS_TIMELIMIT;
+        struct JS_DATA_TYPE JS_SAVE;
+        struct JS_DATA_TYPE JS_CORR;
+};
+#if BITS_PER_LONG == 64
+#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_64
+#elif BITS_PER_LONG == 32
+#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_32
+#else
+#error Unexpected BITS_PER_LONG
+#endif
 #endif /* _LINUX_JOYSTICK_H */
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 5e1a7b0d7b3f..b7a194c4362a 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -104,33 +104,12 @@ struct jprobe {
 };
 #ifdef ARCH_SUPPORTS_KRETPROBES
-extern int trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs);
-extern void trampoline_post_handler(struct kprobe *p, struct pt_regs *regs,
-                                                        unsigned long flags);
-extern struct task_struct *arch_get_kprobe_task(void *ptr);
 extern void arch_prepare_kretprobe(struct kretprobe *rp, struct pt_regs *regs);
-extern void arch_kprobe_flush_task(struct task_struct *tk);
 #else /* ARCH_SUPPORTS_KRETPROBES */
-static inline void kretprobe_trampoline(void)
-{
-}
-static inline int trampoline_probe_handler(struct kprobe *p,
-                                                struct pt_regs *regs)
-{
-        return 0;
-}
-static inline void trampoline_post_handler(struct kprobe *p,
-                                struct pt_regs *regs, unsigned long flags)
-{
-}
 static inline void arch_prepare_kretprobe(struct kretprobe *rp,
                                        struct pt_regs *regs)
 {
 }
-static inline void arch_kprobe_flush_task(struct task_struct *tk)
-{
-}
-#define arch_get_kprobe_task(ptr) ((struct task_struct *)NULL)
 #endif /* ARCH_SUPPORTS_KRETPROBES */
 /*
 * Function-return probe -
@@ -155,8 +134,8 @@ struct kretprobe_instance {
        struct hlist_node uflist; /* either on free list or used list */
        struct hlist_node hlist;
        struct kretprobe *rp;
-        void *ret_addr;
+        kprobe_opcode_t *ret_addr;
-        void *stack_addr;
+        struct task_struct *task;
 };
 #ifdef CONFIG_KPROBES
@@ -176,7 +155,10 @@ extern void arch_copy_kprobe(struct kprobe *p);
 extern void arch_arm_kprobe(struct kprobe *p);
 extern void arch_disarm_kprobe(struct kprobe *p);
 extern void arch_remove_kprobe(struct kprobe *p);
+extern int arch_init(void);
 extern void show_registers(struct pt_regs *regs);
+extern kprobe_opcode_t *get_insn_slot(void);
+extern void free_insn_slot(kprobe_opcode_t *slot);
 /* Get the kprobe at this addr (if any).  Must have called lock_kprobes */
 struct kprobe *get_kprobe(void *addr);
@@ -194,8 +176,6 @@ int register_kretprobe(struct kretprobe *rp);
 void unregister_kretprobe(struct kretprobe *rp);
 struct kretprobe_instance *get_free_rp_inst(struct kretprobe *rp);
-struct kretprobe_instance *get_rp_inst(void *sara);
-struct kretprobe_instance *get_rp_inst_tsk(struct task_struct *tk);
 void add_rp_inst(struct kretprobe_instance *ri);
 void kprobe_flush_task(struct task_struct *tk);
 void recycle_rp_inst(struct kretprobe_instance *ri);
diff --git a/include/linux/libps2.h b/include/linux/libps2.h
index 923bdbc6d9e4..a710bddda4eb 100644
--- a/include/linux/libps2.h
+++ b/include/linux/libps2.h
@@ -41,6 +41,7 @@ struct ps2dev {
 void ps2_init(struct ps2dev *ps2dev, struct serio *serio);
 int ps2_sendbyte(struct ps2dev *ps2dev, unsigned char byte, int timeout);
+void ps2_drain(struct ps2dev *ps2dev, int maxbytes, int timeout);
 int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command);
 int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int command);
 int ps2_handle_ack(struct ps2dev *ps2dev, unsigned char data);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index bf608808a60c..a3961e1d5183 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -712,8 +712,9 @@
 #define PCI_DEVICE_ID_HP_DIVA_AUX       0x1290
 #define PCI_DEVICE_ID_HP_DIVA_RMP3      0x1301
 #define PCI_DEVICE_ID_HP_CISSA          0x3220
-#define PCI_DEVICE_ID_HP_CISSB          0x3230
+#define PCI_DEVICE_ID_HP_CISSB          0x3222
 #define PCI_DEVICE_ID_HP_ZX2_IOC        0x4031
+#define PCI_DEVICE_ID_HP_CISSC          0x3230
 #define PCI_VENDOR_ID_PCTECH            0x1042
 #define PCI_DEVICE_ID_PCTECH_RZ1000     0x1000
@@ -1284,6 +1285,8 @@
 #define PCI_DEVICE_ID_NVIDIA_GEFORCE_FX_GO5700_2    0x0348
 #define PCI_DEVICE_ID_NVIDIA_QUADRO_FX_GO1000       0x034C
 #define PCI_DEVICE_ID_NVIDIA_QUADRO_FX_1100         0x034E
+#define PCI_DEVICE_ID_NVIDIA_NVENET_14              0x0372
+#define PCI_DEVICE_ID_NVIDIA_NVENET_15              0x0373
 #define PCI_VENDOR_ID_IMS               0x10e0
 #define PCI_DEVICE_ID_IMS_8849          0x8849
diff --git a/include/linux/pmu.h b/include/linux/pmu.h
index 6d73eada277e..373bd3b9b330 100644
--- a/include/linux/pmu.h
+++ b/include/linux/pmu.h
@@ -166,7 +166,7 @@ extern int pmu_i2c_simple_read(int bus, int addr,  u8* data, int len);
 extern int pmu_i2c_simple_write(int bus, int addr,  u8* data, int len);
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PM
 /*
 * Stuff for putting the powerbook to sleep and waking it again.
 *
@@ -208,6 +208,8 @@ struct pmu_sleep_notifier
 int pmu_register_sleep_notifier(struct pmu_sleep_notifier* notifier);
 int pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* notifier);
+#endif /* CONFIG_PM */
 #define PMU_MAX_BATTERIES       2
 /* values for pmu_power_flags */
@@ -235,6 +237,4 @@ extern int pmu_battery_count;
 extern struct pmu_battery_info pmu_batteries[PMU_MAX_BATTERIES];
 extern unsigned int pmu_power_flags;
-#endif /* CONFIG_PMAC_PBOOK */
 #endif  /* __KERNEL__ */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9530b1903160..ff48815bd3a2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -608,6 +608,8 @@ struct task_struct {
        struct list_head run_list;
        prio_array_t *array;
+        unsigned short ioprio;
        unsigned long sleep_avg;
        unsigned long long timestamp, last_ran;
        unsigned long long sched_time; /* sched_clock time spent running */
@@ -763,6 +765,7 @@ struct task_struct {
        nodemask_t mems_allowed;
        int cpuset_mems_generation;
 #endif
+        atomic_t fs_excl;       /* holding fs exclusive resources */
 };
 static inline pid_t process_group(struct task_struct *tsk)
@@ -1112,7 +1115,8 @@ extern void unhash_process(struct task_struct *p);
 /*
 * Protects ->fs, ->files, ->mm, ->ptrace, ->group_info, ->comm, keyring
- * subscriptions and synchronises with wait4().  Also used in procfs.
+ * subscriptions and synchronises with wait4().  Also used in procfs.  Also
+ * pins the final release of task.io_context.
 *
 * Nests both inside and outside of read_lock(&tasklist_lock).
 * It must not be nested with write_lock_irq(&tasklist_lock),
diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
index 3a2702bbb1d6..dc89116bb1ca 100644
--- a/include/linux/seccomp.h
+++ b/include/linux/seccomp.h
@@ -19,6 +19,11 @@ static inline void secure_computing(int this_syscall)
                __secure_computing(this_syscall);
 }
+static inline int has_secure_computing(struct thread_info *ti)
+{
+        return unlikely(test_ti_thread_flag(ti, TIF_SECCOMP));
+}
 #else /* CONFIG_SECCOMP */
 #if (__GNUC__ > 2)
@@ -28,6 +33,11 @@ static inline void secure_computing(int this_syscall)
 #endif
 #define secure_computing(x) do { } while (0)
+/* static inline to preserve typechecking */
+static inline int has_secure_computing(struct thread_info *ti)
+{
+        return 0;
+}
 #endif /* CONFIG_SECCOMP */
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 823181af6ddf..3e3c1fa35b06 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -22,6 +22,7 @@ struct plat_serial8250_port {
        unsigned int    uartclk;        /* UART clock rate */
        unsigned char   regshift;       /* register shift */
        unsigned char   iotype;         /* UPIO_* */
+        unsigned char   hub6;
        unsigned int    flags;          /* UPF_* flags */
 };
diff --git a/include/linux/serio.h b/include/linux/serio.h
index a2d3b9ae06f4..aa4d6493a034 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -83,6 +83,7 @@ static inline void serio_register_port(struct serio *serio)
 }
 void serio_unregister_port(struct serio *serio);
+void serio_unregister_child_port(struct serio *serio);
 void __serio_unregister_port_delayed(struct serio *serio, struct module *owner);
 static inline void serio_unregister_port_delayed(struct serio *serio)
 {
@@ -153,6 +154,11 @@ static inline int serio_pin_driver(struct serio *serio)
        return down_interruptible(&serio->drv_sem);
 }
+static inline void serio_pin_driver_uninterruptible(struct serio *serio)
+{
+        down(&serio->drv_sem);
+}
 static inline void serio_unpin_driver(struct serio *serio)
 {
        up(&serio->drv_sem);
diff --git a/include/linux/usb_ch9.h b/include/linux/usb_ch9.h
index f5fe94e09a03..39e7ff4ffd28 100644
--- a/include/linux/usb_ch9.h
+++ b/include/linux/usb_ch9.h
@@ -6,11 +6,14 @@
 *
 * - the master/host side Linux-USB kernel driver API;
 * - the "usbfs" user space API; and
- * - (eventually) a Linux "gadget" slave/device side driver API.
+ * - the Linux "gadget" slave/device/peripheral side driver API.
 *
 * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems
 * act either as a USB master/host or as a USB slave/device.  That means
- * the master and slave side APIs will benefit from working well together.
+ * the master and slave side APIs benefit from working well together.
+ *
+ * There's also "Wireless USB", using low power short range radios for
+ * peripheral interconnection but otherwise building on the USB framework.
 */
 #ifndef __LINUX_USB_CH9_H
@@ -68,6 +71,18 @@
 #define USB_REQ_SET_INTERFACE           0x0B
 #define USB_REQ_SYNCH_FRAME             0x0C
+#define USB_REQ_SET_ENCRYPTION          0x0D    /* Wireless USB */
+#define USB_REQ_GET_ENCRYPTION          0x0E
+#define USB_REQ_SET_HANDSHAKE           0x0F
+#define USB_REQ_GET_HANDSHAKE           0x10
+#define USB_REQ_SET_CONNECTION          0x11
+#define USB_REQ_SET_SECURITY_DATA       0x12
+#define USB_REQ_GET_SECURITY_DATA       0x13
+#define USB_REQ_SET_WUSB_DATA           0x14
+#define USB_REQ_LOOPBACK_DATA_WRITE     0x15
+#define USB_REQ_LOOPBACK_DATA_READ      0x16
+#define USB_REQ_SET_INTERFACE_DS        0x17
 /*
 * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and
 * are read as a bit array returned by USB_REQ_GET_STATUS.  (So there
@@ -75,10 +90,12 @@
 */
 #define USB_DEVICE_SELF_POWERED         0       /* (read only) */
 #define USB_DEVICE_REMOTE_WAKEUP        1       /* dev may initiate wakeup */
-#define USB_DEVICE_TEST_MODE            2       /* (high speed only) */
+#define USB_DEVICE_TEST_MODE            2       /* (wired high speed only) */
-#define USB_DEVICE_B_HNP_ENABLE         3       /* dev may initiate HNP */
+#define USB_DEVICE_BATTERY              2       /* (wireless) */
-#define USB_DEVICE_A_HNP_SUPPORT        4       /* RH port supports HNP */
+#define USB_DEVICE_B_HNP_ENABLE         3       /* (otg) dev may initiate HNP */
-#define USB_DEVICE_A_ALT_HNP_SUPPORT    5       /* other RH port does */
+#define USB_DEVICE_WUSB_DEVICE          3       /* (wireless)*/
+#define USB_DEVICE_A_HNP_SUPPORT        4       /* (otg) RH port supports HNP */
+#define USB_DEVICE_A_ALT_HNP_SUPPORT    5       /* (otg) other RH port does */
 #define USB_DEVICE_DEBUG_MODE           6       /* (special devices only) */
 #define USB_ENDPOINT_HALT               0       /* IN/OUT will STALL */
@@ -135,6 +152,13 @@ struct usb_ctrlrequest {
 #define USB_DT_OTG                      0x09
 #define USB_DT_DEBUG                    0x0a
 #define USB_DT_INTERFACE_ASSOCIATION    0x0b
+/* these are from the Wireless USB spec */
+#define USB_DT_SECURITY                 0x0c
+#define USB_DT_KEY                      0x0d
+#define USB_DT_ENCRYPTION_TYPE          0x0e
+#define USB_DT_BOS                      0x0f
+#define USB_DT_DEVICE_CAPABILITY        0x10
+#define USB_DT_WIRELESS_ENDPOINT_COMP   0x11
 /* conventional codes for class-specific descriptors */
 #define USB_DT_CS_DEVICE                0x21
@@ -192,6 +216,7 @@ struct usb_device_descriptor {
 #define USB_CLASS_CSCID                 0x0b    /* chip+ smart card */
 #define USB_CLASS_CONTENT_SEC           0x0d    /* content security */
 #define USB_CLASS_VIDEO                 0x0e
+#define USB_CLASS_WIRELESS_CONTROLLER   0xe0
 #define USB_CLASS_APP_SPEC              0xfe
 #define USB_CLASS_VENDOR_SPEC           0xff
@@ -223,6 +248,7 @@ struct usb_config_descriptor {
 #define USB_CONFIG_ATT_ONE              (1 << 7)        /* must be set */
 #define USB_CONFIG_ATT_SELFPOWER        (1 << 6)        /* self powered */
 #define USB_CONFIG_ATT_WAKEUP           (1 << 5)        /* can wakeup */
+#define USB_CONFIG_ATT_BATTERY          (1 << 4)        /* battery powered */
 /*-------------------------------------------------------------------------*/
@@ -289,6 +315,7 @@ struct usb_endpoint_descriptor {
 #define USB_ENDPOINT_XFER_ISOC          1
 #define USB_ENDPOINT_XFER_BULK          2
 #define USB_ENDPOINT_XFER_INT           3
+#define USB_ENDPOINT_MAX_ADJUSTABLE     0x80
 /*-------------------------------------------------------------------------*/
@@ -352,12 +379,154 @@ struct usb_interface_assoc_descriptor {
 /*-------------------------------------------------------------------------*/
+/* USB_DT_SECURITY:  group of wireless security descriptors, including
+ * encryption types available for setting up a CC/association.
+ */
+struct usb_security_descriptor {
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __le16 wTotalLength;
+        __u8  bNumEncryptionTypes;
+};
+/*-------------------------------------------------------------------------*/
+/* USB_DT_KEY:  used with {GET,SET}_SECURITY_DATA; only public keys
+ * may be retrieved.
+ */
+struct usb_key_descriptor {
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __u8  tTKID[3];
+        __u8  bReserved;
+        __u8  bKeyData[0];
+};
+/*-------------------------------------------------------------------------*/
+/* USB_DT_ENCRYPTION_TYPE:  bundled in DT_SECURITY groups */
+struct usb_encryption_descriptor {
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __u8  bEncryptionType;
+#define USB_ENC_TYPE_UNSECURE           0
+#define USB_ENC_TYPE_WIRED              1       /* non-wireless mode */
+#define USB_ENC_TYPE_CCM_1              2       /* aes128/cbc session */
+#define USB_ENC_TYPE_RSA_1              3       /* rsa3072/sha1 auth */
+        __u8  bEncryptionValue;         /* use in SET_ENCRYPTION */
+        __u8  bAuthKeyIndex;
+};
+/*-------------------------------------------------------------------------*/
+/* USB_DT_BOS:  group of wireless capabilities */
+struct usb_bos_descriptor {
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __le16 wTotalLength;
+        __u8  bNumDeviceCaps;
+};
+/*-------------------------------------------------------------------------*/
+/* USB_DT_DEVICE_CAPABILITY:  grouped with BOS */
+struct usb_dev_cap_header {
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __u8  bDevCapabilityType;
+};
+#define USB_CAP_TYPE_WIRELESS_USB       1
+struct usb_wireless_cap_descriptor {    /* Ultra Wide Band */
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __u8  bDevCapabilityType;
+        __u8  bmAttributes;
+#define USB_WIRELESS_P2P_DRD            (1 << 1)
+#define USB_WIRELESS_BEACON_MASK        (3 << 2)
+#define USB_WIRELESS_BEACON_SELF        (1 << 2)
+#define USB_WIRELESS_BEACON_DIRECTED    (2 << 2)
+#define USB_WIRELESS_BEACON_NONE        (3 << 2)
+        __le16 wPHYRates;       /* bit rates, Mbps */
+#define USB_WIRELESS_PHY_53             (1 << 0)        /* always set */
+#define USB_WIRELESS_PHY_80             (1 << 1)
+#define USB_WIRELESS_PHY_107            (1 << 2)        /* always set */
+#define USB_WIRELESS_PHY_160            (1 << 3)
+#define USB_WIRELESS_PHY_200            (1 << 4)        /* always set */
+#define USB_WIRELESS_PHY_320            (1 << 5)
+#define USB_WIRELESS_PHY_400            (1 << 6)
+#define USB_WIRELESS_PHY_480            (1 << 7)
+        __u8  bmTFITXPowerInfo; /* TFI power levels */
+        __u8  bmFFITXPowerInfo; /* FFI power levels */
+        __le16 bmBandGroup;
+        __u8  bReserved;
+};
+/*-------------------------------------------------------------------------*/
+/* USB_DT_WIRELESS_ENDPOINT_COMP:  companion descriptor associated with
+ * each endpoint descriptor for a wireless device
+ */
+struct usb_wireless_ep_comp_descriptor {
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __u8  bMaxBurst;
+        __u8  bMaxSequence;
+        __le16 wMaxStreamDelay;
+        __le16 wOverTheAirPacketSize;
+        __u8  bOverTheAirInterval;
+        __u8  bmCompAttributes;
+#define USB_ENDPOINT_SWITCH_MASK        0x03    /* in bmCompAttributes */
+#define USB_ENDPOINT_SWITCH_NO          0
+#define USB_ENDPOINT_SWITCH_SWITCH      1
+#define USB_ENDPOINT_SWITCH_SCALE       2
+};
+/*-------------------------------------------------------------------------*/
+/* USB_REQ_SET_HANDSHAKE is a four-way handshake used between a wireless
+ * host and a device for connection set up, mutual authentication, and
+ * exchanging short lived session keys.  The handshake depends on a CC.
+ */
+struct usb_handshake {
+        __u8 bMessageNumber;
+        __u8 bStatus;
+        __u8 tTKID[3];
+        __u8 bReserved;
+        __u8 CDID[16];
+        __u8 nonce[16];
+        __u8 MIC[8];
+};
+/*-------------------------------------------------------------------------*/
+/* USB_REQ_SET_CONNECTION modifies or revokes a connection context (CC).
+ * A CC may also be set up using non-wireless secure channels (including
+ * wired USB!), and some devices may support CCs with multiple hosts.
+ */
+struct usb_connection_context {
+        __u8 CHID[16];          /* persistent host id */
+        __u8 CDID[16];          /* device id (unique w/in host context) */
+        __u8 CK[16];            /* connection key */
+};
+/*-------------------------------------------------------------------------*/
 /* USB 2.0 defines three speeds, here's how Linux identifies them */
 enum usb_device_speed {
        USB_SPEED_UNKNOWN = 0,                  /* enumerating */
        USB_SPEED_LOW, USB_SPEED_FULL,          /* usb 1.1 */
-        USB_SPEED_HIGH                          /* usb 2.0 */
+        USB_SPEED_HIGH,                         /* usb 2.0 */
+        USB_SPEED_VARIABLE,                     /* wireless (usb 2.5) */
 };
 enum usb_device_state {
diff --git a/include/linux/usb_gadget.h b/include/linux/usb_gadget.h
index 9bba9997947b..b00f127cb447 100644
--- a/include/linux/usb_gadget.h
+++ b/include/linux/usb_gadget.h
@@ -711,7 +711,7 @@ usb_gadget_disconnect (struct usb_gadget *gadget)
 *      the hardware level driver. Most calls must be handled by
 *      the gadget driver, including descriptor and configuration
 *      management.  The 16 bit members of the setup data are in
- *      cpu order. Called in_interrupt; this may not sleep.  Driver
+ *      USB byte order. Called in_interrupt; this may not sleep.  Driver
 *      queues a response to ep0, or returns negative to stall.
 * @disconnect: Invoked after all transfers have been stopped,
 *      when the host is disconnected.  May be called in_interrupt; this
diff --git a/include/linux/usb_isp116x.h b/include/linux/usb_isp116x.h
new file mode 100644
index 000000000000..5f5a9d9bd6c2
--- /dev/null
+++ b/include/linux/usb_isp116x.h
@@ -0,0 +1,47 @@
+/*
+ * Board initialization code should put one of these into dev->platform_data
+ * and place the isp116x onto platform_bus.
+ */
+struct isp116x_platform_data {
+        /* Enable internal resistors on downstream ports */
+        unsigned sel15Kres:1;
+        /* Chip's internal clock won't be stopped in suspended state.
+           Setting/unsetting this bit takes effect only if
+           'remote_wakeup_enable' below is not set. */
+        unsigned clknotstop:1;
+        /* On-chip overcurrent protection */
+        unsigned oc_enable:1;
+        /* INT output polarity */
+        unsigned int_act_high:1;
+        /* INT edge or level triggered */
+        unsigned int_edge_triggered:1;
+        /* WAKEUP pin connected - NOT SUPPORTED  */
+        /* unsigned remote_wakeup_connected:1; */
+        /* Wakeup by devices on usb bus enabled */
+        unsigned remote_wakeup_enable:1;
+        /* Switch or not to switch (keep always powered) */
+        unsigned no_power_switching:1;
+        /* Ganged port power switching (0) or individual port
+           power switching (1) */
+        unsigned power_switching_mode:1;
+        /* Given port_power, msec/2 after power on till power good */
+        u8 potpg;
+        /* Hardware reset set/clear. If implemented, this function must:
+           if set == 0,   deassert chip's HW reset pin
+           otherwise,     assert chip's HW reset pin       */
+        void (*reset) (struct device * dev, int set);
+        /* Hardware clock start/stop. If implemented, this function must:
+           if start == 0,    stop the external clock
+           otherwise,        start the external clock
+         */
+        void (*clock) (struct device * dev, int start);
+        /* Inter-io delay (ns). The chip is picky about access timings; it
+           expects at least:
+           150ns delay between consecutive accesses to DATA_REG,
+           300ns delay between access to ADDR_REG and DATA_REG
+           OE, WE MUST NOT be changed during these intervals
+         */
+        void (*delay) (struct device * dev, int delay);
+};
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 1262cb43c3ab..d5c3fe1bf33d 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -14,11 +14,13 @@ extern struct list_head inode_unused;
 * Yes, writeback.h requires sched.h
 * No, sched.h is not included from here.
 */
-static inline int current_is_pdflush(void)
+static inline int task_is_pdflush(struct task_struct *task)
 {
-        return current->flags & PF_FLUSHER;
+        return task->flags & PF_FLUSHER;
 }
+#define current_is_pdflush()    task_is_pdflush(current)
 /*
 * fs/fs-writeback.c
 */