10 files changed, 55 insertions, 30 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index f6e72a65a3f2..e8e53b9accc6 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -200,6 +200,7 @@ extern int class_device_create_file(struct class_device *,
  * @node: for internal use by the driver core only.
  * @kobj: for internal use by the driver core only.
  * @devt_attr: for internal use by the driver core only.
+ * @groups: optional additional groups to be created
  * @dev: if set, a symlink to the struct device is created in the sysfs
  * directory for this struct class device.
  * @class_data: pointer to whatever you want to store here for this struct
@@ -228,6 +229,7 @@ struct class_device {
         struct device           * dev;          /* not necessary, but nice to have */
         void                    * class_data;   /* class-specific data */
         struct class_device     *parent;        /* parent of this child device, if there is one */
+        struct attribute_group  ** groups;      /* optional groups */
 
         void    (*release)(struct class_device *dev);
         int     (*uevent)(struct class_device *dev, char **envp,
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ff61817082fa..635690cf3e3d 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -14,6 +14,7 @@ enum dma_data_direction {
 };
 
 #define DMA_64BIT_MASK  0xffffffffffffffffULL
+#define DMA_48BIT_MASK  0x0000ffffffffffffULL
 #define DMA_40BIT_MASK  0x000000ffffffffffULL
 #define DMA_39BIT_MASK  0x0000007fffffffffULL
 #define DMA_32BIT_MASK  0x00000000ffffffffULL
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index e1bd0842f6a1..f4fc576ed4c4 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -124,6 +124,7 @@ extern int get_option(char **str, int *pint);
 extern char *get_options(const char *str, int nints, int *ints);
 extern unsigned long long memparse(char *ptr, char **retptr);
 
+extern int core_kernel_text(unsigned long addr);
 extern int __kernel_text_address(unsigned long addr);
 extern int kernel_text_address(unsigned long addr);
 extern int session_of_pgrp(int pgrp);
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 01db7b88a2b1..f4169bbb60eb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -433,8 +433,7 @@ struct net_device
 
         /* register/unregister state machine */
         enum { NETREG_UNINITIALIZED=0,
-               NETREG_REGISTERING,      /* called register_netdevice */
-               NETREG_REGISTERED,       /* completed register todo */
+               NETREG_REGISTERED,       /* completed register_netdevice */
                NETREG_UNREGISTERING,    /* called unregister_netdevice */
                NETREG_UNREGISTERED,     /* completed unregister todo */
                NETREG_RELEASED,         /* called free_netdev */
@@ -506,6 +505,8 @@ struct net_device
 
         /* class/net/name entry */
         struct class_device     class_dev;
+        /* space for optional statistics and wireless sysfs groups */
+        struct attribute_group  *sysfs_groups[3];
 };
 
 #define NETDEV_ALIGN            32
@@ -829,21 +830,19 @@ static inline void netif_rx_schedule(struct net_device *dev)
                 __netif_rx_schedule(dev);
 }
 
-
-static inline void  __netif_rx_reschedule(struct net_device *dev, int undo)
-{
-        dev->quota += undo;
-        list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
-        __raise_softirq_irqoff(NET_RX_SOFTIRQ);
-}
-
-/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
+/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete().
+ * Do not inline this?
+ */
 static inline int netif_rx_reschedule(struct net_device *dev, int undo)
 {
         if (netif_rx_schedule_prep(dev)) {
                 unsigned long flags;
+
+                dev->quota += undo;
+
                 local_irq_save(flags);
-                __netif_rx_reschedule(dev, undo);
+                list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
+                __raise_softirq_irqoff(NET_RX_SOFTIRQ);
                 local_irq_restore(flags);
                 return 1;
         }
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 5673008b61e1..970284f571a6 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -132,6 +132,7 @@ static inline void rcu_bh_qsctr_inc(int cpu)
 }
 
 extern int rcu_pending(int cpu);
+extern int rcu_needs_cpu(int cpu);
 
 /**
  * rcu_read_lock - mark the beginning of an RCU read-side critical section.
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index c32e60e79dea..bd14858121ea 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -254,6 +254,7 @@ struct uart_port {
 #define UPF_CONS_FLOW           ((__force upf_t) (1 << 23))
 #define UPF_SHARE_IRQ           ((__force upf_t) (1 << 24))
 #define UPF_BOOT_AUTOCONF       ((__force upf_t) (1 << 28))
+#define UPF_DEAD                ((__force upf_t) (1 << 30))
 #define UPF_IOREMAP             ((__force upf_t) (1 << 31))
 
 #define UPF_CHANGE_MASK         ((__force upf_t) (0x17fff))
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 3af03b19c983..2d985d59c7b8 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -150,6 +150,7 @@ static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
 
 extern void kfree(const void *);
 extern unsigned int ksize(const void *);
+extern int slab_is_available(void);
 
 #ifdef CONFIG_NUMA
 extern void *kmem_cache_alloc_node(kmem_cache_t *, gfp_t flags, int node);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index b05f1463a267..e928c0dcc297 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -31,18 +31,23 @@ extern struct bus_type spi_bus_type;
  * @master: SPI controller used with the device.
  * @max_speed_hz: Maximum clock rate to be used with this chip
  *      (on this board); may be changed by the device's driver.
+ *      The spi_transfer.speed_hz can override this for each transfer.
  * @chip-select: Chipselect, distinguishing chips handled by "master".
  * @mode: The spi mode defines how data is clocked out and in.
  *      This may be changed by the device's driver.
+ *      The "active low" default for chipselect mode can be overridden,
+ *      as can the "MSB first" default for each word in a transfer.
  * @bits_per_word: Data transfers involve one or more words; word sizes
- *      like eight or 12 bits are common.  In-memory wordsizes are
+ *      like eight or 12 bits are common.  In-memory wordsizes are
  *      powers of two bytes (e.g. 20 bit samples use 32 bits).
- *      This may be changed by the device's driver.
+ *      This may be changed by the device's driver, or left at the
+ *      default (0) indicating protocol words are eight bit bytes.
+ *      The spi_transfer.bits_per_word can override this for each transfer.
  * @irq: Negative, or the number passed to request_irq() to receive
- *      interrupts from this device.
+ *      interrupts from this device.
  * @controller_state: Controller's runtime state
  * @controller_data: Board-specific definitions for controller, such as
- *      FIFO initialization parameters; from board_info.controller_data
+ *      FIFO initialization parameters; from board_info.controller_data
  *