Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent

23 files changed, 814 insertions, 56 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index fd6a452b0ce..fba8051fb29 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -163,8 +163,6 @@ struct acpi_pci_driver {
 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
 
-#ifdef CONFIG_ACPI_EC
-
 extern int ec_read(u8 addr, u8 *val);
 extern int ec_write(u8 addr, u8 val);
 extern int ec_transaction(u8 command,
@@ -172,8 +170,6 @@ extern int ec_transaction(u8 command,
                           u8 *rdata, unsigned rdata_len,
                           int force_poll);
 
-#endif /*CONFIG_ACPI_EC*/
-
 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 
 typedef void (*wmi_notify_handler) (u32 value, void *context);
@@ -194,6 +190,50 @@ extern bool wmi_has_guid(const char *guid);
 
 #endif  /* CONFIG_ACPI_WMI */
 
+#define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
+#define ACPI_VIDEO_DEVICE_POSTING                       0x0002
+#define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
+#define ACPI_VIDEO_BACKLIGHT                            0x0008
+#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
+#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
+#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
+#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
+#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
+#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
+#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
+#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
+
+#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
+
+extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
+extern long acpi_is_video_device(struct acpi_device *device);
+extern int acpi_video_backlight_support(void);
+extern int acpi_video_display_switch_support(void);
+
+#else
+
+static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
+{
+        return 0;
+}
+
+static inline long acpi_is_video_device(struct acpi_device *device)
+{
+        return 0;
+}
+
+static inline int acpi_video_backlight_support(void)
+{
+        return 0;
+}
+
+static inline int acpi_video_display_switch_support(void)
+{
+        return 0;
+}
+
+#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
+
 extern int acpi_blacklisted(void);
 #ifdef CONFIG_DMI
 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
diff --git a/include/linux/c2port.h b/include/linux/c2port.h
new file mode 100644
index 00000000000..7b5a2388ba6
--- /dev/null
+++ b/include/linux/c2port.h
@@ -0,0 +1,65 @@
+/*
+ *  Silicon Labs C2 port Linux support
+ *
+ *  Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it>
+ *  Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation
+ */
+
+#include <linux/device.h>
+
+#define C2PORT_NAME_LEN                 32
+
+/*
+ * C2 port basic structs
+ */
+
+/* Main struct */
+struct c2port_ops;
+struct c2port_device {
+        unsigned int access:1;
+        unsigned int flash_access:1;
+
+        int id;
+        char name[C2PORT_NAME_LEN];
+        struct c2port_ops *ops;
+        struct mutex mutex;             /* prevent races during read/write */
+
+        struct device *dev;
+
+        void *private_data;
+};
+
+/* Basic operations */
+struct c2port_ops {
+        /* Flash layout */
+        unsigned short block_size;      /* flash block size in bytes */
+        unsigned short blocks_num;      /* flash blocks number */
+
+        /* Enable or disable the access to C2 port */
+        void (*access)(struct c2port_device *dev, int status);
+
+        /* Set C2D data line as input/output */
+        void (*c2d_dir)(struct c2port_device *dev, int dir);
+
+        /* Read/write C2D data line */
+        int (*c2d_get)(struct c2port_device *dev);
+        void (*c2d_set)(struct c2port_device *dev, int status);
+
+        /* Write C2CK clock line */
+        void (*c2ck_set)(struct c2port_device *dev, int status);
+};
+
+/*
+ * Exported functions
+ */
+
+#define to_class_dev(obj) container_of((obj), struct class_device, kobj)
+#define to_c2port_device(obj) container_of((obj), struct c2port_device, class)
+
+extern struct c2port_device *c2port_device_register(char *name,
+                                        struct c2port_ops *ops, void *devdata);
+extern void c2port_device_unregister(struct c2port_device *dev);
diff --git a/include/linux/cnt32_to_63.h b/include/linux/cnt32_to_63.h
index 8c0f9505b48..7605fdd1eb6 100644
--- a/include/linux/cnt32_to_63.h
+++ b/include/linux/cnt32_to_63.h
@@ -16,6 +16,7 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <asm/byteorder.h>
+#include <asm/system.h>
 
 /* this is used only to give gcc a clue about good code generation */
 union cnt32_to_63 {
@@ -53,11 +54,19 @@ union cnt32_to_63 {
  * needed increment.  And any race in updating the value in memory is harmless
  * as the same value would simply be stored more than once.
  *
- * The only restriction for the algorithm to work properly is that this
- * code must be executed at least once per each half period of the 32-bit
- * counter to properly update the state bit in memory. This is usually not a
- * problem in practice, but if it is then a kernel timer could be scheduled
- * to manage for this code to be executed often enough.
+ * The restrictions for the algorithm to work properly are:
+ *
+ * 1) this code must be called at least once per each half period of the
+ *    32-bit counter;
+ *
+ * 2) this code must not be preempted for a duration longer than the
+ *    32-bit counter half period minus the longest period between two
+ *    calls to this code.
+ *
+ * Those requirements ensure proper update to the state bit in memory.
+ * This is usually not a problem in practice, but if it is then a kernel
+ * timer should be scheduled to manage for this code to be executed often
+ * enough.
  *
  * Note that the top bit (bit 63) in the returned value should be considered
  * as garbage.  It is not cleared here because callers are likely to use a
@@ -68,9 +77,10 @@ union cnt32_to_63 {
  */
 #define cnt32_to_63(cnt_lo) \
 ({ \
-        static volatile u32 __m_cnt_hi; \
+        static u32 __m_cnt_hi; \
         union cnt32_to_63 __x; \
         __x.hi = __m_cnt_hi; \
+        smp_rmb(); \
         __x.lo = (cnt_lo); \
         if (unlikely((s32)(__x.hi ^ __x.lo) < 0)) \
                 __m_cnt_hi = __x.hi = (__x.hi ^ 0x80000000) + (__x.hi >> 31); \
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index d3219d73f8e..21e1dd43e52 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -5,6 +5,9 @@
  * Cpumasks provide a bitmap suitable for representing the
  * set of CPU's in a system, one bit position per CPU number.
  *
+ * The new cpumask_ ops take a "struct cpumask *"; the old ones
+ * use cpumask_t.
+ *
  * See detailed comments in the file linux/bitmap.h describing the
  * data type on which these cpumasks are based.
  *
@@ -31,7 +34,7 @@
  *       will span the entire range of NR_CPUS.
  * . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
  *
- * The available cpumask operations are:
+ * The obsolescent cpumask operations are:
  *
  * void cpu_set(cpu, mask)              turn on bit 'cpu' in mask
  * void cpu_clear(cpu, mask)            turn off bit 'cpu' in mask
@@ -138,7 +141,7 @@
 #include <linux/threads.h>
 #include <linux/bitmap.h>
 
-typedef struct { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
+typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
 extern cpumask_t _unused_cpumask_arg_;
 
 #define cpu_set(cpu, dst) __cpu_set((cpu), &(dst))
@@ -527,4 +530,556 @@ extern cpumask_t cpu_active_map;
 #define for_each_online_cpu(cpu)   for_each_cpu_mask_nr((cpu), cpu_online_map)
 #define for_each_present_cpu(cpu)  for_each_cpu_mask_nr((cpu), cpu_present_map)
 
+/* These are the new versions of the cpumask operators: passed by pointer.
+ * The older versions will be implemented in terms of these, then deleted. */
+#define cpumask_bits(maskp) ((maskp)->bits)
+
+#if NR_CPUS <= BITS_PER_LONG
+#define CPU_BITS_ALL                                            \
+{                                                               \
+        [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
+}
+
+/* This produces more efficient code. */
+#define nr_cpumask_bits NR_CPUS
+
+#else /* NR_CPUS > BITS_PER_LONG */
+
+#define CPU_BITS_ALL                                            \
+{                                                               \
+        [0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL,                \
+        [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD         \
+}
+
+#define nr_cpumask_bits nr_cpu_ids
+#endif /* NR_CPUS > BITS_PER_LONG */
+
+/* verify cpu argument to cpumask_* operators */
+static inline unsigned int cpumask_check(unsigned int cpu)
+{
+#ifdef CONFIG_DEBUG_PER_CPU_MAPS
+        WARN_ON_ONCE(cpu >= nr_cpumask_bits);
+#endif /* CONFIG_DEBUG_PER_CPU_MAPS */
+        return cpu;
+}
+
+#if NR_CPUS == 1
+/* Uniprocessor.  Assume all masks are "1". */
+static inline unsigned int cpumask_first(const struct cpumask *srcp)
+{
+        return 0;
+}
+
+/* Valid inputs for n are -1 and 0. */
+static inline unsigned int cpumask_next(int n, const struct cpumask *srcp)
+{
+        return n+1;
+}
+
+static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp)
+{
+        return n+1;
+}
+
+static inline unsigned int cpumask_next_and(int n,
+                                            const struct cpumask *srcp,
+                                            const struct cpumask *andp)
+{
+        return n+1;
+}
+
+/* cpu must be a valid cpu, ie 0, so there's no other choice. */
+static inline unsigned int cpumask_any_but(const struct cpumask *mask,
+                                           unsigned int cpu)
+{
+        return 1;
+}
+
+#define for_each_cpu(cpu, mask)                 \
+        for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
+#define for_each_cpu_and(cpu, mask, and)        \
+        for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)and)
+#else
+/**
+ * cpumask_first - get the first cpu in a cpumask
+ * @srcp: the cpumask pointer
+ *
+ * Returns >= nr_cpu_ids if no cpus set.
+ */
+static inline unsigned int cpumask_first(const struct cpumask *srcp)
+{
+        return find_first_bit(cpumask_bits(srcp), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_next - get the next cpu in a cpumask
+ * @n: the cpu prior to the place to search (ie. return will be > @n)
+ * @srcp: the cpumask pointer
+ *
+ * Returns >= nr_cpu_ids if no further cpus set.
+ */
+static inline unsigned int cpumask_next(int n, const struct cpumask *srcp)
+{
+        /* -1 is a legal arg here. */
+        if (n != -1)
+                cpumask_check(n);
+        return find_next_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1);
+}
+
+/**
+ * cpumask_next_zero - get the next unset cpu in a cpumask
+ * @n: the cpu prior to the place to search (ie. return will be > @n)
+ * @srcp: the cpumask pointer
+ *
+ * Returns >= nr_cpu_ids if no further cpus unset.
+ */
+static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp)
+{
+        /* -1 is a legal arg here. */
+        if (n != -1)
+                cpumask_check(n);
+        return find_next_zero_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1);
+}
+
+int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *);
+int cpumask_any_but(const struct cpumask *mask, unsigned int cpu);
+
+/**
+ * for_each_cpu - iterate over every cpu in a mask
+ * @cpu: the (optionally unsigned) integer iterator
+ * @mask: the cpumask pointer
+ *
+ * After the loop, cpu is >= nr_cpu_ids.
+ */
+#define for_each_cpu(cpu, mask)                         \
+        for ((cpu) = -1;                                \
+                (cpu) = cpumask_next((cpu), (mask)),    \
+                (cpu) < nr_cpu_ids;)
+
+/**
+ * for_each_cpu_and - iterate over every cpu in both masks
+ * @cpu: the (optionally unsigned) integer iterator
+ * @mask: the first cpumask pointer
+ * @and: the second cpumask pointer
+ *
+ * This saves a temporary CPU mask in many places.  It is equivalent to:
+ *      struct cpumask tmp;
+ *      cpumask_and(&tmp, &mask, &and);
+ *      for_each_cpu(cpu, &tmp)
+ *              ...
+ *
+ * After the loop, cpu is >= nr_cpu_ids.
+ */
+#define for_each_cpu_and(cpu, mask, and)                                \
+        for ((cpu) = -1;                                                \
+                (cpu) = cpumask_next_and((cpu), (mask), (and)),         \
+                (cpu) < nr_cpu_ids;)
+#endif /* SMP */
+
+#define CPU_BITS_NONE                                           \
+{                                                               \
+        [0 ... BITS_TO_LONGS(NR_CPUS)-1] = 0UL                  \
+}
+
+#define CPU_BITS_CPU0                                           \
+{                                                               \
+        [0] =  1UL                                              \
+}
+
+/**
+ * cpumask_set_cpu - set a cpu in a cpumask
+ * @cpu: cpu number (< nr_cpu_ids)
+ * @dstp: the cpumask pointer
+ */
+static inline void cpumask_set_cpu(unsigned int cpu, struct cpumask *dstp)
+{
+        set_bit(cpumask_check(cpu), cpumask_bits(dstp));
+}
+
+/**
+ * cpumask_clear_cpu - clear a cpu in a cpumask
+ * @cpu: cpu number (< nr_cpu_ids)
+ * @dstp: the cpumask pointer
+ */
+static inline void cpumask_clear_cpu(int cpu, struct cpumask *dstp)
+{
+        clear_bit(cpumask_check(cpu), cpumask_bits(dstp));
+}
+
+/**
+ * cpumask_test_cpu - test for a cpu in a cpumask
+ * @cpu: cpu number (< nr_cpu_ids)
+ * @cpumask: the cpumask pointer
+ *
+ * No static inline type checking - see Subtlety (1) above.
+ */
+#define cpumask_test_cpu(cpu, cpumask) \
+        test_bit(cpumask_check(cpu), (cpumask)->bits)
+
+/**
+ * cpumask_test_and_set_cpu - atomically test and set a cpu in a cpumask
+ * @cpu: cpu number (< nr_cpu_ids)
+ * @cpumask: the cpumask pointer
+ *
+ * test_and_set_bit wrapper for cpumasks.
+ */
+static inline int cpumask_test_and_set_cpu(int cpu, struct cpumask *cpumask)
+{
+        return test_and_set_bit(cpumask_check(cpu), cpumask_bits(cpumask));
+}
+
+/**
+ * cpumask_setall - set all cpus (< nr_cpu_ids) in a cpumask
+ * @dstp: the cpumask pointer
+ */
+static inline void cpumask_setall(struct cpumask *dstp)
+{
+        bitmap_fill(cpumask_bits(dstp), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_clear - clear all cpus (< nr_cpu_ids) in a cpumask
+ * @dstp: the cpumask pointer
+ */
+static inline void cpumask_clear(struct cpumask *dstp)
+{
+        bitmap_zero(cpumask_bits(dstp), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_and - *dstp = *src1p & *src2p
+ * @dstp: the cpumask result
+ * @src1p: the first input
+ * @src2p: the second input
+ */
+static inline void cpumask_and(struct cpumask *dstp,
+                               const struct cpumask *src1p,
+                               const struct cpumask *src2p)
+{
+        bitmap_and(cpumask_bits(dstp), cpumask_bits(src1p),
+                                       cpumask_bits(src2p), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_or - *dstp = *src1p | *src2p
+ * @dstp: the cpumask result
+ * @src1p: the first input
+ * @src2p: the second input
+ */
+static inline void cpumask_or(struct cpumask *dstp, const struct cpumask *src1p,
+                              const struct cpumask *src2p)
+{
+        bitmap_or(cpumask_bits(dstp), cpumask_bits(src1p),
+                                      cpumask_bits(src2p), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_xor - *dstp = *src1p ^ *src2p
+ * @dstp: the cpumask result
+ * @src1p: the first input
+ * @src2p: the second input
+ */
+static inline void cpumask_xor(struct cpumask *dstp,
+                               const struct cpumask *src1p,
+                               const struct cpumask *src2p)
+{
+        bitmap_xor(cpumask_bits(dstp), cpumask_bits(src1p),
+                                       cpumask_bits(src2p), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_andnot - *dstp = *src1p & ~*src2p
+ * @dstp: the cpumask result
+ * @src1p: the first input
+ * @src2p: the second input
+ */
+static inline void cpumask_andnot(struct cpumask *dstp,
+                                  const struct cpumask *src1p,
+                                  const struct cpumask *src2p)
+{
+        bitmap_andnot(cpumask_bits(dstp), cpumask_bits(src1p),
+                                          cpumask_bits(src2p), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_complement - *dstp = ~*srcp
+ * @dstp: the cpumask result
+ * @srcp: the input to invert
+ */
+static inline void cpumask_complement(struct cpumask *dstp,
+                                      const struct cpumask *srcp)
+{
+        bitmap_complement(cpumask_bits(dstp), cpumask_bits(srcp),
+                                              nr_cpumask_bits);
+}
+
+/**
+ * cpumask_equal - *src1p == *src2p
+ * @src1p: the first input
+ * @src2p: the second input
+ */
+static inline bool cpumask_equal(const struct cpumask *src1p,
+                                const struct cpumask *src2p)
+{
+        return bitmap_equal(cpumask_bits(src1p), cpumask_bits(src2p),
+                                                 nr_cpumask_bits);
+}
+
+/**
+ * cpumask_intersects - (*src1p & *src2p) != 0
+ * @src1p: the first input
+ * @src2p: the second input
+ */
+static inline bool cpumask_intersects(const struct cpumask *src1p,
+                                     const struct cpumask *src2p)
+{
+        return bitmap_intersects(cpumask_bits(src1p), cpumask_bits(src2p),
+                                                      nr_cpumask_bits);
+}
+
+/**
+ * cpumask_subset - (*src1p & ~*src2p) == 0
+ * @src1p: the first input
+ * @src2p: the second input
+ */
+static inline int cpumask_subset(const struct cpumask *src1p,
+                                 const struct cpumask *src2p)
+{
+        return bitmap_subset(cpumask_bits(src1p), cpumask_bits(src2p),
+                                                  nr_cpumask_bits);
+}
+
+/**
+ * cpumask_empty - *srcp == 0
+ * @srcp: the cpumask to that all cpus < nr_cpu_ids are clear.
+ */
+static inline bool cpumask_empty(const struct cpumask *srcp)
+{
+        return bitmap_empty(cpumask_bits(srcp), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_full - *srcp == 0xFFFFFFFF...
+ * @srcp: the cpumask to that all cpus < nr_cpu_ids are set.
+ */
+static inline bool cpumask_full(const struct cpumask *srcp)
+{
+        return bitmap_full(cpumask_bits(srcp), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_weight - Count of bits in *srcp
+ * @srcp: the cpumask to count bits (< nr_cpu_ids) in.
+ */
+static inline unsigned int cpumask_weight(const struct cpumask *srcp)
+{
+        return bitmap_weight(cpumask_bits(srcp), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_shift_right - *dstp = *srcp >> n
+ * @dstp: the cpumask result
+ * @srcp: the input to shift
+ * @n: the number of bits to shift by
+ */
+static inline void cpumask_shift_right(struct cpumask *dstp,
+                                       const struct cpumask *srcp, int n)
+{
+        bitmap_shift_right(cpumask_bits(dstp), cpumask_bits(srcp), n,
+                                               nr_cpumask_bits);
+}
+
+/**
+ * cpumask_shift_left - *dstp = *srcp << n
+ * @dstp: the cpumask result
+ * @srcp: the input to shift
+ * @n: the number of bits to shift by
+ */
+static inline void cpumask_shift_left(struct cpumask *dstp,
+                                      const struct cpumask *srcp, int n)
+{
+        bitmap_shift_left(cpumask_bits(dstp), cpumask_bits(srcp), n,
+                                              nr_cpumask_bits);
+}
+
+/**
+ * cpumask_copy - *dstp = *srcp
+ * @dstp: the result
+ * @srcp: the input cpumask
+ */
+static inline void cpumask_copy(struct cpumask *dstp,
+                                const struct cpumask *srcp)
+{
+        bitmap_copy(cpumask_bits(dstp), cpumask_bits(srcp), nr_cpumask_bits);
+}
+
+/**
+ * cpumask_any - pick a "random" cpu from *srcp
+ * @srcp: the input cpumask
+ *
+ * Returns >= nr_cpu_ids if no cpus set.
+ */
+#define cpumask_any(srcp) cpumask_first(srcp)
+
+/**
+ * cpumask_first_and - return the first cpu from *srcp1 & *srcp2
+ * @src1p: the first input
+ * @src2p: the second input
+ *
+ * Returns >= nr_cpu_ids if no cpus set in both.  See also cpumask_next_and().
+ */
+#define cpumask_first_and(src1p, src2p) cpumask_next_and(-1, (src1p), (src2p))
+
+/**
+ * cpumask_any_and - pick a "random" cpu from *mask1 & *mask2
+ * @mask1: the first input cpumask
+ * @mask2: the second input cpumask
+ *
+ * Returns >= nr_cpu_ids if no cpus set.
+ */
+#define cpumask_any_and(mask1, mask2) cpumask_first_and((mask1), (mask2))
+
+/**
+ * cpumask_of - the cpumask containing just a given cpu
+ * @cpu: the cpu (<= nr_cpu_ids)
+ */
+#define cpumask_of(cpu) (get_cpu_mask(cpu))
+
+/**
+ * to_cpumask - convert an NR_CPUS bitmap to a struct cpumask *
+ * @bitmap: the bitmap
+ *
+ * There are a few places where cpumask_var_t isn't appropriate and
+ * static cpumasks must be used (eg. very early boot), yet we don't
+ * expose the definition of 'struct cpumask'.
+ *
+ * This does the conversion, and can be used as a constant initializer.
+ */
+#define to_cpumask(bitmap)                                              \
+        ((struct cpumask *)(1 ? (bitmap)                                \
+                            : (void *)sizeof(__check_is_bitmap(bitmap))))
+
+static inline int __check_is_bitmap(const unsigned long *bitmap)
+{
+        return 1;
+}
+
+/**
+ * cpumask_size - size to allocate for a 'struct cpumask' in bytes
+ *
+ * This will eventually be a runtime variable, depending on nr_cpu_ids.
+ */
+static inline size_t cpumask_size(void)
+{
+        /* FIXME: Once all cpumask assignments are eliminated, this
+         * can be nr_cpumask_bits */
+        return BITS_TO_LONGS(NR_CPUS) * sizeof(long);
+}
+
+/*
+ * cpumask_var_t: struct cpumask for stack usage.
+ *
+ * Oh, the wicked games we play!  In order to make kernel coding a
+ * little more difficult, we typedef cpumask_var_t to an array or a
+ * pointer: doing &mask on an array is a noop, so it still works.
+ *
+ * ie.
+ *      cpumask_var_t tmpmask;
+ *      if (!alloc_cpumask_var(&tmpmask, GFP_KERNEL))
+ *              return -ENOMEM;
+ *
+ *        ... use 'tmpmask' like a normal struct cpumask * ...
+ *
+ *      free_cpumask_var(tmpmask);
+ */
+#ifdef CONFIG_CPUMASK_OFFSTACK
+typedef struct cpumask *cpumask_var_t;
+
+bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags);
+void alloc_bootmem_cpumask_var(cpumask_var_t *mask);
+void free_cpumask_var(cpumask_var_t mask);
+void free_bootmem_cpumask_var(cpumask_var_t mask);
+
+#else
+typedef struct cpumask cpumask_var_t[1];
+
+static inline bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags)
+{
+        return true;
+}
+
+static inline void alloc_bootmem_cpumask_var(cpumask_var_t *mask)
+{
+}
+
+static inline void free_cpumask_var(cpumask_var_t mask)
+{
+}
+
+static inline void free_bootmem_cpumask_var(cpumask_var_t mask)
+{
+}
+#endif /* CONFIG_CPUMASK_OFFSTACK */
+
+/* The pointer versions of the maps, these will become the primary versions. */
+#define cpu_possible_mask ((const struct cpumask *)&cpu_possible_map)
+#define cpu_online_mask ((const struct cpumask *)&cpu_online_map)
+#define cpu_present_mask ((const struct cpumask *)&cpu_present_map)
+#define cpu_active_mask ((const struct cpumask *)&cpu_active_map)
+
+/* It's common to want to use cpu_all_mask in struct member initializers,
+ * so it has to refer to an address rather than a pointer. */
+extern const DECLARE_BITMAP(cpu_all_bits, NR_CPUS);
+#define cpu_all_mask to_cpumask(cpu_all_bits)
+
+/* First bits of cpu_bit_bitmap are in fact unset. */
+#define cpu_none_mask to_cpumask(cpu_bit_bitmap[0])
+
+/* Wrappers for arch boot code to manipulate normally-constant masks */
+static inline void set_cpu_possible(unsigned int cpu, bool possible)
+{
+        if (possible)
+                cpumask_set_cpu(cpu, &cpu_possible_map);
+        else
+                cpumask_clear_cpu(cpu, &cpu_possible_map);
+}
+
+static inline void set_cpu_present(unsigned int cpu, bool present)
+{
+        if (present)
+                cpumask_set_cpu(cpu, &cpu_present_map);
+        else
+                cpumask_clear_cpu(cpu, &cpu_present_map);
+}
+
+static inline void set_cpu_online(unsigned int cpu, bool online)
+{
+        if (online)
+                cpumask_set_cpu(cpu, &cpu_online_map);
+        else
+                cpumask_clear_cpu(cpu, &cpu_online_map);
+}
+
+static inline void set_cpu_active(unsigned int cpu, bool active)
+{
+        if (active)
+                cpumask_set_cpu(cpu, &cpu_active_map);
+        else
+                cpumask_clear_cpu(cpu, &cpu_active_map);
+}
+
+static inline void init_cpu_present(const struct cpumask *src)
+{
+        cpumask_copy(&cpu_present_map, src);
+}
+
+static inline void init_cpu_possible(const struct cpumask *src)
+{
+        cpumask_copy(&cpu_possible_map, src);
+}
+
+static inline void init_cpu_online(const struct cpumask *src)
+{
+        cpumask_copy(&cpu_online_map, src);
+}
 #endif /* __LINUX_CPUMASK_H */
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 07e510a3b00..3eba43878dc 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -46,9 +46,6 @@ enum hrtimer_restart {
  * hrtimer callback modes:
  *
  *      HRTIMER_CB_SOFTIRQ:             Callback must run in softirq context
- *      HRTIMER_CB_IRQSAFE:             Callback may run in hardirq context
- *      HRTIMER_CB_IRQSAFE_NO_RESTART:  Callback may run in hardirq context and
- *                                      does not restart the timer
  *      HRTIMER_CB_IRQSAFE_PERCPU:      Callback must run in hardirq context
  *                                      Special mode for tick emulation and
  *                                      scheduler timer. Such timers are per
@@ -61,8 +58,6 @@ enum hrtimer_restart {
  */
 enum hrtimer_cb_mode {
         HRTIMER_CB_SOFTIRQ,
-        HRTIMER_CB_IRQSAFE,
-        HRTIMER_CB_IRQSAFE_NO_RESTART,
         HRTIMER_CB_IRQSAFE_PERCPU,
         HRTIMER_CB_IRQSAFE_UNLOCKED,
 };
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index bd578578a8b..37ea2894b3c 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -134,6 +134,8 @@ extern void inotify_remove_watch_locked(struct inotify_handle *,
                                         struct inotify_watch *);
 extern void get_inotify_watch(struct inotify_watch *);
 extern void put_inotify_watch(struct inotify_watch *);
+extern int pin_inotify_watch(struct inotify_watch *);
+extern void unpin_inotify_watch(struct inotify_watch *);
 
 #else
 
@@ -228,6 +230,15 @@ static inline void put_inotify_watch(struct inotify_watch *watch)
 {
 }
 
+extern inline int pin_inotify_watch(struct inotify_watch *watch)
+{
+        return 0;
+}
+
+extern inline void unpin_inotify_watch(struct inotify_watch *watch)
+{
+}
+
 #endif  /* CONFIG_INOTIFY */
 
 #endif  /* __KERNEL __ */
diff --git a/include/linux/input.h b/include/linux/input.h
index b86fb5581ce..5341e8251f8 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -238,6 +238,7 @@ struct input_absinfo {
 #define KEY_KPEQUAL             117
 #define KEY_KPPLUSMINUS         118
 #define KEY_PAUSE               119
+#define KEY_SCALE               120     /* AL Compiz Scale (Expose) */
 
 #define KEY_KPCOMMA             121
 #define KEY_HANGEUL             122
@@ -322,6 +323,7 @@ struct input_absinfo {
 #define KEY_PAUSECD             201
 #define KEY_PROG3               202
 #define KEY_PROG4               203
+#define KEY_DASHBOARD           204     /* AL Dashboard */
 #define KEY_SUSPEND             205
 #define KEY_CLOSE               206     /* AC Close */
 #define KEY_PLAY                207
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index fba141d3ca0..dc7e0d0a647 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -318,32 +318,36 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         return buf;
 }
 
-#define pr_emerg(fmt, arg...) \
-        printk(KERN_EMERG fmt, ##arg)
-#define pr_alert(fmt, arg...) \
-        printk(KERN_ALERT fmt, ##arg)
-#define pr_crit(fmt, arg...) \
-        printk(KERN_CRIT fmt, ##arg)
-#define pr_err(fmt, arg...) \
-        printk(KERN_ERR fmt, ##arg)
-#define pr_warning(fmt, arg...) \
-        printk(KERN_WARNING fmt, ##arg)
-#define pr_notice(fmt, arg...) \
-        printk(KERN_NOTICE fmt, ##arg)
-#define pr_info(fmt, arg...) \
-        printk(KERN_INFO fmt, ##arg)
+#ifndef pr_fmt
+#define pr_fmt(fmt) fmt
+#endif
+
+#define pr_emerg(fmt, ...) \
+        printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_alert(fmt, ...) \
+        printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_crit(fmt, ...) \
+        printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_err(fmt, ...) \
+        printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warning(fmt, ...) \
+        printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_notice(fmt, ...) \
+        printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_info(fmt, ...) \
+        printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
 
 /* If you are writing a driver, please use dev_dbg instead */
 #if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
 #define pr_debug(fmt, ...) do { \
-        dynamic_pr_debug(fmt, ##__VA_ARGS__); \
+        dynamic_pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \
         } while (0)
 #elif defined(DEBUG)
-#define pr_debug(fmt, arg...) \
-        printk(KERN_DEBUG fmt, ##arg)
+#define pr_debug(fmt, ...) \
+        printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
 #else
-#define pr_debug(fmt, arg...) \
-        ({ if (0) printk(KERN_DEBUG fmt, ##arg); 0; })
+#define pr_debug(fmt, ...) \
+        ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; })
 #endif
 
 /*
diff --git a/include/linux/libata.h b/include/linux/libata.h
index c7665a4134c..59b0f1c807b 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -698,6 +698,7 @@ struct ata_port {
         unsigned int            cbl;    /* cable type; ATA_CBL_xxx */
 
         struct ata_queued_cmd   qcmd[ATA_MAX_QUEUE];
+        unsigned long           qc_allocated;
         unsigned int            qc_active;
         int                     nr_active_links; /* #links with active qcs */
 
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 331e5f1c2d8..29aec6e1002 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -331,10 +331,11 @@ static inline void lockdep_on(void)
 # define lock_set_subclass(l, s, i)             do { } while (0)
 # define lockdep_init()                         do { } while (0)
 # define lockdep_info()                         do { } while (0)
-# define lockdep_init_map(lock, name, key, sub) do { (void)(key); } while (0)
+# define lockdep_init_map(lock, name, key, sub) \
+                do { (void)(name); (void)(key); } while (0)
 # define lockdep_set_class(lock, key)           do { (void)(key); } while (0)
 # define lockdep_set_class_and_name(lock, key, name) \
-                do { (void)(key); } while (0)
+                do { (void)(key); (void)(name); } while (0)
 #define lockdep_set_class_and_subclass(lock, key, sub) \
                 do { (void)(key); } while (0)
 #define lockdep_set_subclass(lock, sub)         do { } while (0)
diff --git a/include/linux/mfd/wm8350/rtc.h b/include/linux/mfd/wm8350/rtc.h
index dfda69e9f44..24add2bef6c 100644
--- a/include/linux/mfd/wm8350/rtc.h
+++ b/include/linux/mfd/wm8350/rtc.h
@@ -261,6 +261,8 @@
 
 struct wm8350_rtc {
         struct platform_device *pdev;
+        struct rtc_device *rtc;
+        int alarm_enabled;      /* used over suspend/resume */
 };
 
 #endif
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index ee6e822d599..403aa505f27 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -130,7 +130,7 @@ struct mmc_card {
 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
 
 #define mmc_card_name(c)        ((c)->cid.prod_name)
-#define mmc_card_id(c)          ((c)->dev.bus_id)
+#define mmc_card_id(c)          (dev_name(&(c)->dev))
 
 #define mmc_list_to_card(l)     container_of(l, struct mmc_card, node)
 #define mmc_get_drvdata(c)      dev_get_drvdata(&(c)->dev)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index bde891f6459..f842f234e44 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -176,7 +176,7 @@ static inline void *mmc_priv(struct mmc_host *host)
 
 #define mmc_dev(x)      ((x)->parent)
 #define mmc_classdev(x) (&(x)->class_dev)
-#define mmc_hostname(x) ((x)->class_dev.bus_id)
+#define mmc_hostname(x) (dev_name(&(x)->class_dev))
 
 extern int mmc_suspend_host(struct mmc_host *, pm_message_t);
 extern int mmc_resume_host(struct mmc_host *);
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 07bee4a0d45..451bdfc8583 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -63,7 +63,7 @@ struct sdio_func {
 
 #define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT)
 
-#define sdio_func_id(f)         ((f)->dev.bus_id)
+#define sdio_func_id(f)         (dev_name(&(f)->dev))
 
 #define sdio_get_drvdata(f)     dev_get_drvdata(&(f)->dev)
 #define sdio_set_drvdata(f,d)   dev_set_drvdata(&(f)->dev, d)
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
index 18a5b9ba9d4..00044b85645 100644
--- a/include/linux/ratelimit.h
+++ b/include/linux/ratelimit.h
@@ -17,11 +17,4 @@ struct ratelimit_state {
                 struct ratelimit_state name = {interval, burst,}
 
 extern int __ratelimit(struct ratelimit_state *rs);
-
-static inline int ratelimit(void)
-{
-        static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL,
-                                        DEFAULT_RATELIMIT_BURST);
-        return __ratelimit(&rs);
-}
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 295b7c756ca..644ffbda17c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -247,6 +247,7 @@ extern void init_idle(struct task_struct *idle, int cpu);
 extern void init_idle_bootup_task(struct task_struct *idle);
 
 extern int runqueue_is_locked(void);
+extern void task_rq_unlock_wait(struct task_struct *p);
 
 extern cpumask_t nohz_cpu_mask;
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index e27f216361f..4e4f1277f3b 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -155,6 +155,9 @@
 
 #define PORT_SC26XX     82
 
+/* SH-SCI */
+#define PORT_SCIFA      83
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>
diff --git a/include/linux/slab.h b/include/linux/slab.h
index ba965c84ae0..000da12b5cf 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -23,6 +23,34 @@
 #define SLAB_CACHE_DMA          0x00004000UL    /* Use GFP_DMA memory */
 #define SLAB_STORE_USER         0x00010000UL    /* DEBUG: Store the last owner for bug hunting */
 #define SLAB_PANIC              0x00040000UL    /* Panic if kmem_cache_create() fails */
+/*
+ * SLAB_DESTROY_BY_RCU - **WARNING** READ THIS!
+ *
+ * This delays freeing the SLAB page by a grace period, it does _NOT_
+ * delay object freeing. This means that if you do kmem_cache_free()
+ * that memory location is free to be reused at any time. Thus it may
+ * be possible to see another object there in the same RCU grace period.
+ *
+ * This feature only ensures the memory location backing the object
+ * stays valid, the trick to using this is relying on an independent
+ * object validation pass. Something like:
+ *
+ *  rcu_read_lock()
+ * again:
+ *  obj = lockless_lookup(key);
+ *  if (obj) {
+ *    if (!try_get_ref(obj)) // might fail for free objects
+ *      goto again;
+ *
+ *    if (obj->key != key) { // not the object we expected
+ *      put_ref(obj);
+ *      goto again;
+ *    }
+ *  }
+ *  rcu_read_unlock();
+ *
+ * See also the comment on struct slab_rcu in mm/slab.c.
+ */
 #define SLAB_DESTROY_BY_RCU     0x00080000UL    /* Defer freeing slabs to RCU */
 #define SLAB_MEM_SPREAD         0x00100000UL    /* Spread some memory over cpuset */
 #define SLAB_TRACE              0x00200000UL    /* Trace allocations and frees */
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 2e4d58b26c0..3f9a60043a9 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -64,8 +64,17 @@ extern void smp_cpus_done(unsigned int max_cpus);
  * Call a function on all other processors
  */
 int smp_call_function(void(*func)(void *info), void *info, int wait);
+/* Deprecated: use smp_call_function_many() which uses a cpumask ptr. */
 int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info,
                                 int wait);
+
+static inline void smp_call_function_many(const struct cpumask *mask,
+                                          void (*func)(void *info), void *info,
+                                          int wait)
+{
+        smp_call_function_mask(*mask, func, info, wait);
+}
+
 int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
                                 int wait);
 void __smp_call_function_single(int cpuid, struct call_single_data *data);
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index e530026eedf..17d9b58f637 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -427,12 +427,16 @@ static inline int ssb_dma_mapping_error(struct ssb_device *dev, dma_addr_t addr)
 {
         switch (dev->bus->bustype) {
         case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
                 return pci_dma_mapping_error(dev->bus->host_pci, addr);
+#endif
+                break;
         case SSB_BUSTYPE_SSB:
                 return dma_mapping_error(dev->dev, addr);
         default:
-                __ssb_dma_not_implemented(dev);
+                break;
         }
+        __ssb_dma_not_implemented(dev);
         return -ENOSYS;
 }
 
@@ -441,12 +445,16 @@ static inline dma_addr_t ssb_dma_map_single(struct ssb_device *dev, void *p,
 {
         switch (dev->bus->bustype) {
         case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
                 return pci_map_single(dev->bus->host_pci, p, size, dir);
+#endif
+                break;
         case SSB_BUSTYPE_SSB:
                 return dma_map_single(dev->dev, p, size, dir);
         default:
-                __ssb_dma_not_implemented(dev);
+                break;
         }
+        __ssb_dma_not_implemented(dev);
         return 0;
 }
 
@@ -455,14 +463,18 @@ static inline void ssb_dma_unmap_single(struct ssb_device *dev, dma_addr_t dma_a
 {
         switch (dev->bus->bustype) {
         case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
                 pci_unmap_single(dev->bus->host_pci, dma_addr, size, dir);
                 return;
+#endif
+                break;
         case SSB_BUSTYPE_SSB:
                 dma_unmap_single(dev->dev, dma_addr, size, dir);
                 return;
         default:
-                __ssb_dma_not_implemented(dev);
+                break;
         }
+        __ssb_dma_not_implemented(dev);
 }
 
 static inline void ssb_dma_sync_single_for_cpu(struct ssb_device *dev,
@@ -472,15 +484,19 @@ static inline void ssb_dma_sync_single_for_cpu(struct ssb_device *dev,
 {
         switch (dev->bus->bustype) {
         case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
                 pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
                                             size, dir);
                 return;
+#endif
+                break;
         case SSB_BUSTYPE_SSB:
                 dma_sync_single_for_cpu(dev->dev, dma_addr, size, dir);
                 return;
         default:
-                __ssb_dma_not_implemented(dev);
+                break;
         }
+        __ssb_dma_not_implemented(dev);
 }
 
 static inline void ssb_dma_sync_single_for_device(struct ssb_device *dev,
@@ -490,15 +506,19 @@ static inline void ssb_dma_sync_single_for_device(struct ssb_device *dev,
 {
         switch (dev->bus->bustype) {
         case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
                 pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
                                                size, dir);
                 return;
+#endif
+                break;
         case SSB_BUSTYPE_SSB:
                 dma_sync_single_for_device(dev->dev, dma_addr, size, dir);
                 return;
         default:
-                __ssb_dma_not_implemented(dev);
+                break;
         }
+        __ssb_dma_not_implemented(dev);
 }
 
 static inline void ssb_dma_sync_single_range_for_cpu(struct ssb_device *dev,
@@ -509,17 +529,21 @@ static inline void ssb_dma_sync_single_range_for_cpu(struct ssb_device *dev,
 {
         switch (dev->bus->bustype) {
         case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
                 /* Just sync everything. That's all the PCI API can do. */
                 pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
                                             offset + size, dir);
                 return;
+#endif
+                break;
         case SSB_BUSTYPE_SSB:
                 dma_sync_single_range_for_cpu(dev->dev, dma_addr, offset,
                                               size, dir);
                 return;
         default:
-                __ssb_dma_not_implemented(dev);
+                break;
         }
+        __ssb_dma_not_implemented(dev);
 }
 
 static inline void ssb_dma_sync_single_range_for_device(struct ssb_device *dev,
@@ -530,17 +554,21 @@ static inline void ssb_dma_sync_single_range_for_device(struct ssb_device *dev,
 {
         switch (dev->bus->bustype) {
         case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
                 /* Just sync everything. That's all the PCI API can do. */
                 pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
                                                offset + size, dir);
                 return;
+#endif
+                break;
         case SSB_BUSTYPE_SSB:
                 dma_sync_single_range_for_device(dev->dev, dma_addr, offset,
                                                  size, dir);
                 return;
         default:
-                __ssb_dma_not_implemented(dev);
+                break;
         }
+        __ssb_dma_not_implemented(dev);
 }
 
 
diff --git a/include/linux/telephony.h b/include/linux/telephony.h
index 5b2b6261f19..f63afe330ad 100644
--- a/include/linux/telephony.h
+++ b/include/linux/telephony.h
@@ -14,7 +14,7 @@
  *    Authors:       Ed Okerson, <eokerson@quicknet.net>
  *                   Greg Herlein, <gherlein@quicknet.net>
  *
- *    Contributors:  Alan Cox, <alan@redhat.com>
+ *    Contributors:  Alan Cox, <alan@lxorguk.ukuu.org.uk>
  *                   David W. Erhart, <derhart@quicknet.net>
  *
  * IN NO EVENT SHALL QUICKNET TECHNOLOGIES, INC. BE LIABLE TO ANY PARTY FOR
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 8fa973bede5..f72aa51f7bc 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -108,6 +108,7 @@ enum usb_interface_condition {
  *      (in probe()), bound to a driver, or unbinding (in disconnect())
  * @is_active: flag set when the interface is bound and not suspended.
  * @sysfs_files_created: sysfs attributes exist
+ * @unregistering: flag set when the interface is being unregistered
  * @needs_remote_wakeup: flag set when the driver requires remote-wakeup
  *      capability during autosuspend.
  * @needs_altsetting0: flag set when a set-interface request for altsetting 0
@@ -163,6 +164,7 @@ struct usb_interface {
         enum usb_interface_condition condition;         /* state of binding */
         unsigned is_active:1;           /* the interface is not suspended */
         unsigned sysfs_files_created:1; /* the sysfs attributes exist */
+        unsigned unregistering:1;       /* unregistration is in progress */
         unsigned needs_remote_wakeup:1; /* driver requires remote wakeup */
         unsigned needs_altsetting0:1;   /* switch to altsetting 0 is pending */
         unsigned needs_binding:1;       /* needs delayed unbind/rebind */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 89a5a1231ff..b36291130f2 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -240,4 +240,12 @@ void cancel_rearming_delayed_work(struct delayed_work *work)
         cancel_delayed_work_sync(work);
 }
 
+#ifndef CONFIG_SMP
+static inline long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg)
+{
+        return fn(arg);
+}
+#else
+long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg);
+#endif /* CONFIG_SMP */
 #endif