Merge branch 'gpio-for-grant' of git://sources.calxeda.com/kernel/linux into gpio/next

Conflicts:
	drivers/gpio/gpio-pl061.c

7 files changed, 49 insertions, 12 deletions

diff --git a/include/linux/amba/pl061.h b/include/linux/amba/pl061.h
index 2412af944f1f..fb83c0453489 100644
--- a/include/linux/amba/pl061.h
+++ b/include/linux/amba/pl061.h
@@ -7,7 +7,7 @@ struct pl061_platform_data {
         unsigned        gpio_base;
 
         /* number of the first IRQ.
-         * If the IRQ functionality in not desired this must be set to NO_IRQ.
+         * If the IRQ functionality in not desired this must be set to 0.
          */
         unsigned        irq_base;
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c7a6d3b5bc7b..94acd8172b5b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -805,9 +805,6 @@ extern void blk_unprep_request(struct request *);
  */
 extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
                                         spinlock_t *lock, int node_id);
-extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *,
-                                                           request_fn_proc *,
-                                                           spinlock_t *, int node_id);
 extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
 extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
                                                       request_fn_proc *, spinlock_t *);
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index c86c940d1de3..081147da0564 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -71,7 +71,7 @@ struct timecounter {
 
 /**
  * cyclecounter_cyc2ns - converts cycle counter cycles to nanoseconds
- * @tc:         Pointer to cycle counter.
+ * @cc:         Pointer to cycle counter.
  * @cycles:     Cycles
  *
  * XXX - This could use some mult_lxl_ll() asm optimization. Same code
@@ -114,7 +114,7 @@ extern u64 timecounter_read(struct timecounter *tc);
  *                        time base as values returned by
  *                        timecounter_read()
  * @tc:         Pointer to time counter.
- * @cycle:      a value returned by tc->cc->read()
+ * @cycle_tstamp:       a value returned by tc->cc->read()
  *
  * Cycle counts that are converted correctly as long as they
  * fall into the interval [-1/2 max cycle count, +1/2 max cycle count],
@@ -156,11 +156,12 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  * @mult:               cycle to nanosecond multiplier
  * @shift:              cycle to nanosecond divisor (power of two)
  * @max_idle_ns:        max idle time permitted by the clocksource (nsecs)
- * @maxadj              maximum adjustment value to mult (~11%)
+ * @maxadj:             maximum adjustment value to mult (~11%)
  * @flags:              flags describing special properties
  * @archdata:           arch-specific data
  * @suspend:            suspend function for the clocksource, if necessary
  * @resume:             resume function for the clocksource, if necessary
+ * @cycle_last:         most recent cycle counter value seen by ::read()
  */
 struct clocksource {
         /*
@@ -187,6 +188,7 @@ struct clocksource {
         void (*suspend)(struct clocksource *cs);
         void (*resume)(struct clocksource *cs);
 
+        /* private: */
 #ifdef CONFIG_CLOCKSOURCE_WATCHDOG
         /* Watchdog related data, used by the framework */
         struct list_head wd_list;
@@ -261,6 +263,9 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
 
 /**
  * clocksource_cyc2ns - converts clocksource cycles to nanoseconds
+ * @cycles:     cycles
+ * @mult:       cycle to nanosecond multiplier
+ * @shift:      cycle to nanosecond divisor (power of two)
  *
  * Converts cycles to nanoseconds, using the given mult and shift.
  *
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index ef90cbd8e173..57c9a8ae4f2d 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -31,6 +31,7 @@ extern void free_dmar_iommu(struct intel_iommu *iommu);
 extern int iommu_calculate_agaw(struct intel_iommu *iommu);
 extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
 extern int dmar_disabled;
+extern int intel_iommu_enabled;
 #else
 static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
 {
@@ -44,6 +45,7 @@ static inline void free_dmar_iommu(struct intel_iommu *iommu)
 {
 }
 #define dmar_disabled   (1)
+#define intel_iommu_enabled (0)
 #endif
 
 
diff --git a/include/linux/lglock.h b/include/linux/lglock.h
index f549056fb20b..87f402ccec55 100644
--- a/include/linux/lglock.h
+++ b/include/linux/lglock.h
@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/lockdep.h>
 #include <linux/percpu.h>
+#include <linux/cpu.h>
 
 /* can make br locks by using local lock for read side, global lock for write */
 #define br_lock_init(name)      name##_lock_init()
@@ -72,9 +73,31 @@
 
 #define DEFINE_LGLOCK(name)                                             \
                                                                         \
+ DEFINE_SPINLOCK(name##_cpu_lock);                                      \
+ cpumask_t name##_cpus __read_mostly;                                   \
  DEFINE_PER_CPU(arch_spinlock_t, name##_lock);                          \
  DEFINE_LGLOCK_LOCKDEP(name);                                           \
                                                                         \
+ static int                                                             \
+ name##_lg_cpu_callback(struct notifier_block *nb,                      \
+                                unsigned long action, void *hcpu)       \
+ {                                                                      \
+        switch (action & ~CPU_TASKS_FROZEN) {                           \
+        case CPU_UP_PREPARE:                                            \
+                spin_lock(&name##_cpu_lock);                            \
+                cpu_set((unsigned long)hcpu, name##_cpus);              \
+                spin_unlock(&name##_cpu_lock);                          \
+                break;                                                  \
+        case CPU_UP_CANCELED: case CPU_DEAD:                            \
+                spin_lock(&name##_cpu_lock);                            \
+                cpu_clear((unsigned long)hcpu, name##_cpus);            \
+                spin_unlock(&name##_cpu_lock);                          \
+        }                                                               \
+        return NOTIFY_OK;                                               \
+ }                                                                      \
+ static struct notifier_block name##_lg_cpu_notifier = {                \
+        .notifier_call = name##_lg_cpu_callback,                        \
+ };                                                                     \
  void name##_lock_init(void) {                                          \
         int i;                                                          \
         LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \
@@ -83,6 +106,11 @@
                 lock = &per_cpu(name##_lock, i);                        \
                 *lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;     \
         }                                                               \
+        register_hotcpu_notifier(&name##_lg_cpu_notifier);              \
+        get_online_cpus();                                              \
+        for_each_online_cpu(i)                                          \
+                cpu_set(i, name##_cpus);                                \
+        put_online_cpus();                                              \
  }                                                                      \
  EXPORT_SYMBOL(name##_lock_init);                                       \
                                                                         \
@@ -124,9 +152,9 @@
                                                                         \
  void name##_global_lock_online(void) {                                 \
         int i;                                                          \
-        preempt_disable();                                              \
+        spin_lock(&name##_cpu_lock);                                    \
         rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_);           \
-        for_each_online_cpu(i) {                                        \
+        for_each_cpu(i, &name##_cpus) {                                 \
                 arch_spinlock_t *lock;                                  \
                 lock = &per_cpu(name##_lock, i);                        \
                 arch_spin_lock(lock);                                   \
@@ -137,12 +165,12 @@
  void name##_global_unlock_online(void) {                               \
         int i;                                                          \
         rwlock_release(&name##_lock_dep_map, 1, _RET_IP_);              \
-        for_each_online_cpu(i) {                                        \
+        for_each_cpu(i, &name##_cpus) {                                 \
                 arch_spinlock_t *lock;                                  \
                 lock = &per_cpu(name##_lock, i);                        \
                 arch_spin_unlock(lock);                                 \
         }                                                               \
-        preempt_enable();                                               \
+        spin_unlock(&name##_cpu_lock);                                  \
  }                                                                      \
  EXPORT_SYMBOL(name##_global_unlock_online);                            \
                                                                         \
diff --git a/include/linux/log2.h b/include/linux/log2.h
index 25b808631cd9..fd7ff3d91e6a 100644
--- a/include/linux/log2.h
+++ b/include/linux/log2.h
@@ -185,7 +185,6 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
 #define rounddown_pow_of_two(n)                 \
 (                                               \
         __builtin_constant_p(n) ? (             \
-                (n == 1) ? 0 :                  \
                 (1UL << ilog2(n))) :            \
         __rounddown_pow_of_two(n)               \
  )
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 415f2db414e1..c8ef9bc54d50 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -218,6 +218,7 @@ struct mmc_card {
 #define MMC_QUIRK_INAND_CMD38   (1<<6)          /* iNAND devices have broken CMD38 */
 #define MMC_QUIRK_BLK_NO_CMD23  (1<<7)          /* Avoid CMD23 for regular multiblock */
 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8)   /* Avoid sending 512 bytes in */
+#define MMC_QUIRK_LONG_READ_TIME (1<<9)         /* Data read time > CSD says */
                                                 /* byte mode */
         unsigned int    poweroff_notify_state;  /* eMMC4.5 notify feature */
 #define MMC_NO_POWER_NOTIFICATION       0
@@ -433,6 +434,11 @@ static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
         return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
 }
 
+static inline int mmc_card_long_read_time(const struct mmc_card *c)
+{
+        return c->quirks & MMC_QUIRK_LONG_READ_TIME;
+}
+
 #define mmc_card_name(c)        ((c)->cid.prod_name)
 #define mmc_card_id(c)          (dev_name(&(c)->dev))