Merge tag 'v3.10-rc2' into asoc-ux500

Linux 3.10-rc2

7 files changed, 77 insertions, 18 deletions

diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
index 13a3da25ff07..98cd41bb39c8 100644
--- a/include/linux/journal-head.h
+++ b/include/linux/journal-head.h
@@ -30,15 +30,19 @@ struct journal_head {
 
         /*
          * Journalling list for this buffer [jbd_lock_bh_state()]
+         * NOTE: We *cannot* combine this with b_modified into a bitfield
+         * as gcc would then (which the C standard allows but which is
+         * very unuseful) make 64-bit accesses to the bitfield and clobber
+         * b_jcount if its update races with bitfield modification.
          */
-        unsigned b_jlist:4;
+        unsigned b_jlist;
 
         /*
          * This flag signals the buffer has been modified by
          * the currently running transaction
          * [jbd_lock_bh_state()]
          */
-        unsigned b_modified:1;
+        unsigned b_modified;
 
         /*
          * Copy of the buffer data frozen for writing to the log.
diff --git a/include/linux/kref.h b/include/linux/kref.h
index e15828fd71f1..484604d184be 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -19,6 +19,7 @@
 #include <linux/atomic.h>
 #include <linux/kernel.h>
 #include <linux/mutex.h>
+#include <linux/spinlock.h>
 
 struct kref {
         atomic_t refcount;
@@ -98,6 +99,38 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref)
         return kref_sub(kref, 1, release);
 }
 
+/**
+ * kref_put_spinlock_irqsave - decrement refcount for object.
+ * @kref: object.
+ * @release: pointer to the function that will clean up the object when the
+ *           last reference to the object is released.
+ *           This pointer is required, and it is not acceptable to pass kfree
+ *           in as this function.
+ * @lock: lock to take in release case
+ *
+ * Behaves identical to kref_put with one exception.  If the reference count
+ * drops to zero, the lock will be taken atomically wrt dropping the reference
+ * count.  The release function has to call spin_unlock() without _irqrestore.
+ */
+static inline int kref_put_spinlock_irqsave(struct kref *kref,
+                void (*release)(struct kref *kref),
+                spinlock_t *lock)
+{
+        unsigned long flags;
+
+        WARN_ON(release == NULL);
+        if (atomic_add_unless(&kref->refcount, -1, 1))
+                return 0;
+        spin_lock_irqsave(lock, flags);
+        if (atomic_dec_and_test(&kref->refcount)) {
+                release(kref);
+                local_irq_restore(flags);
+                return 1;
+        }
+        spin_unlock_irqrestore(lock, flags);
+        return 0;
+}
+
 static inline int kref_put_mutex(struct kref *kref,
                                  void (*release)(struct kref *kref),
                                  struct mutex *lock)
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 67f46ad6920a..352eec9df1b8 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -126,7 +126,7 @@ struct mlx4_rss_context {
 
 struct mlx4_qp_path {
         u8                      fl;
-        u8                      reserved1[1];
+        u8                      vlan_control;
         u8                      disable_pkey_check;
         u8                      pkey_index;
         u8                      counter_index;
@@ -141,11 +141,32 @@ struct mlx4_qp_path {
         u8                      sched_queue;
         u8                      vlan_index;
         u8                      feup;
-        u8                      reserved3;
+        u8                      fvl_rx;
         u8                      reserved4[2];
         u8                      dmac[6];
 };
 
+enum { /* fl */
+        MLX4_FL_CV      = 1 << 6,
+        MLX4_FL_ETH_HIDE_CQE_VLAN       = 1 << 2
+};
+enum { /* vlan_control */
+        MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED      = 1 << 6,
+        MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED      = 1 << 2,
+        MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED = 1 << 1, /* 802.1p priority tag */
+        MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED    = 1 << 0
+};
+
+enum { /* feup */
+        MLX4_FEUP_FORCE_ETH_UP          = 1 << 6, /* force Eth UP */
+        MLX4_FSM_FORCE_ETH_SRC_MAC      = 1 << 5, /* force Source MAC */
+        MLX4_FVL_FORCE_ETH_VLAN         = 1 << 3  /* force Eth vlan */
+};
+
+enum { /* fvl_rx */
+        MLX4_FVL_RX_FORCE_ETH_VLAN      = 1 << 0 /* enforce Eth rx vlan */
+};
+
 struct mlx4_qp_context {
         __be32                  flags;
         __be32                  pd;
@@ -185,6 +206,10 @@ struct mlx4_qp_context {
         u32                     reserved5[10];
 };
 
+enum { /* param3 */
+        MLX4_STRIP_VLAN = 1 << 30
+};
+
 /* Which firmware version adds support for NEC (NoErrorCompletion) bit */
 #define MLX4_FW_VER_WQE_CTRL_NEC mlx4_fw_ver(2, 2, 232)
 
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 3863a4dbdf18..2a93b64a3869 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -11,9 +11,10 @@
  *
  */
 
-#ifdef CONFIG_OF_DEVICE
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+
+#ifdef CONFIG_OF_DEVICE
 #include <linux/pm.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
@@ -100,7 +101,7 @@ extern int of_platform_populate(struct device_node *root,
 
 #if !defined(CONFIG_OF_ADDRESS)
 struct of_dev_auxdata;
-struct device;
+struct device_node;
 static inline int of_platform_populate(struct device_node *root,
                                         const struct of_device_id *matches,
                                         const struct of_dev_auxdata *lookup,
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 72474e18f1e0..6aa238096622 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -37,17 +37,17 @@
  *      if it is 0, pull-down is disabled.
  * @PIN_CONFIG_DRIVE_PUSH_PULL: the pin will be driven actively high and
  *      low, this is the most typical case and is typically achieved with two
- *      active transistors on the output. Sending this config will enabale
+ *      active transistors on the output. Setting this config will enable
  *      push-pull mode, the argument is ignored.
  * @PIN_CONFIG_DRIVE_OPEN_DRAIN: the pin will be driven with open drain (open
  *      collector) which means it is usually wired with other output ports
- *      which are then pulled up with an external resistor. Sending this
- *      config will enabale open drain mode, the argument is ignored.
+ *      which are then pulled up with an external resistor. Setting this
+ *      config will enable open drain mode, the argument is ignored.
  * @PIN_CONFIG_DRIVE_OPEN_SOURCE: the pin will be driven with open source
- *      (open emitter). Sending this config will enabale open drain mode, the
+ *      (open emitter). Setting this config will enable open drain mode, the
  *      argument is ignored.
- * @PIN_CONFIG_DRIVE_STRENGTH: the pin will output the current passed as
- *      argument. The argument is in mA.
+ * @PIN_CONFIG_DRIVE_STRENGTH: the pin will sink or source at most the current
+ *      passed as argument. The argument is in mA.
  * @PIN_CONFIG_INPUT_SCHMITT_ENABLE: control schmitt-trigger mode on the pin.
  *      If the argument != 0, schmitt-trigger mode is enabled. If it's 0,
  *      schmitt-trigger mode is disabled.
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 733eb5ee31c5..6ff26c8db7b9 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -57,7 +57,7 @@ extern struct bus_type spi_bus_type;
  * @modalias: Name of the driver to use with this device, or an alias
  *      for that name.  This appears in the sysfs "modalias" attribute
  *      for driver coldplugging, and in uevents used for hotplugging
- * @cs_gpio: gpio number of the chipselect line (optional, -EINVAL when
+ * @cs_gpio: gpio number of the chipselect line (optional, -ENOENT when
  *      when not using a GPIO line)
  *
  * A @spi_device is used to interchange data between an SPI slave
@@ -266,7 +266,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
  *      queue so the subsystem notifies the driver that it may relax the
  *      hardware by issuing this call
  * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS
- *      number. Any individual value may be -EINVAL for CS lines that
+ *      number. Any individual value may be -ENOENT for CS lines that
  *      are not GPIOs (driven by the SPI controller itself).
  *
  * Each SPI master controller can communicate with one or more @spi_device
diff --git a/include/linux/time.h b/include/linux/time.h
index 22d81b3c955b..d5d229b2e5af 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -117,14 +117,10 @@ static inline bool timespec_valid_strict(const struct timespec *ts)
 
 extern bool persistent_clock_exist;
 
-#ifdef ALWAYS_USE_PERSISTENT_CLOCK
-#define has_persistent_clock()  true
-#else
 static inline bool has_persistent_clock(void)
 {
         return persistent_clock_exist;
 }
-#endif
 
 extern void read_persistent_clock(struct timespec *ts);
 extern void read_boot_clock(struct timespec *ts);