24 files changed, 275 insertions, 50 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 7bfcde2d5578..e1c7286165ff 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -678,10 +678,11 @@ extern void __blk_stop_queue(request_queue_t *q);
 extern void blk_run_queue(request_queue_t *);
 extern void blk_start_queueing(request_queue_t *);
 extern void blk_queue_activity_fn(request_queue_t *, activity_fn *, void *);
-extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned int);
+extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned long);
-extern int blk_rq_unmap_user(struct bio *, unsigned int);
+extern int blk_rq_unmap_user(struct request *);
 extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, gfp_t);
-extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int);
+extern int blk_rq_map_user_iov(request_queue_t *, struct request *,
+                               struct sg_iovec *, int, unsigned int);
 extern int blk_execute_rq(request_queue_t *, struct gendisk *,
                          struct request *, int);
 extern void blk_execute_rq_nowait(request_queue_t *, struct gendisk *,
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index b99a714fcac6..3680ff9a30ed 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -50,6 +50,15 @@ enum blktrace_act {
 };
 /*
+ * Notify events.
+ */
+enum blktrace_notify {
+        __BLK_TN_PROCESS = 0,           /* establish pid/name mapping */
+        __BLK_TN_TIMESTAMP,             /* include system clock */
+};
+/*
 * Trace actions in full. Additionally, read or write is masked
 */
 #define BLK_TA_QUEUE            (__BLK_TA_QUEUE | BLK_TC_ACT(BLK_TC_QUEUE))
@@ -68,6 +77,9 @@ enum blktrace_act {
 #define BLK_TA_BOUNCE           (__BLK_TA_BOUNCE)
 #define BLK_TA_REMAP            (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE))
+#define BLK_TN_PROCESS          (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY))
+#define BLK_TN_TIMESTAMP        (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY))
 #define BLK_IO_TRACE_MAGIC      0x65617400
 #define BLK_IO_TRACE_VERSION    0x07
diff --git a/include/linux/device.h b/include/linux/device.h
index 9d4f6a963936..583a341e016c 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -21,6 +21,7 @@
 #include <linux/pm.h>
 #include <asm/semaphore.h>
 #include <asm/atomic.h>
+#include <asm/device.h>
 #define DEVICE_NAME_SIZE        50
 #define DEVICE_NAME_HALF        __stringify(20) /* Less than half to accommodate slop */
@@ -42,6 +43,8 @@ struct bus_type {
        struct klist            klist_devices;
        struct klist            klist_drivers;
+        struct blocking_notifier_head bus_notifier;
        struct bus_attribute    * bus_attrs;
        struct device_attribute * dev_attrs;
        struct driver_attribute * drv_attrs;
@@ -75,6 +78,29 @@ int __must_check bus_for_each_drv(struct bus_type *bus,
                struct device_driver *start, void *data,
                int (*fn)(struct device_driver *, void *));
+/*
+ * Bus notifiers: Get notified of addition/removal of devices
+ * and binding/unbinding of drivers to devices.
+ * In the long run, it should be a replacement for the platform
+ * notify hooks.
+ */
+struct notifier_block;
+extern int bus_register_notifier(struct bus_type *bus,
+                                 struct notifier_block *nb);
+extern int bus_unregister_notifier(struct bus_type *bus,
+                                   struct notifier_block *nb);
+/* All 4 notifers below get called with the target struct device *
+ * as an argument. Note that those functions are likely to be called
+ * with the device semaphore held in the core, so be careful.
+ */
+#define BUS_NOTIFY_ADD_DEVICE           0x00000001 /* device added */
+#define BUS_NOTIFY_DEL_DEVICE           0x00000002 /* device removed */
+#define BUS_NOTIFY_BOUND_DRIVER         0x00000003 /* driver bound to device */
+#define BUS_NOTIFY_UNBIND_DRIVER        0x00000004 /* driver about to be
+                                                      unbound */
 /* driverfs interface for exporting bus attributes */
 struct bus_attribute {
@@ -343,8 +369,6 @@ struct device {
        void            *driver_data;   /* data private to the driver */
        void            *platform_data; /* Platform specific data, device
                                           core doesn't touch it */
-        void            *firmware_data; /* Firmware specific data (e.g. ACPI,
-                                           BIOS data),reserved for device core*/
        struct dev_pm_info      power;
        u64             *dma_mask;      /* dma mask (if dma'able device) */
@@ -358,6 +382,8 @@ struct device {
        struct dma_coherent_mem *dma_mem; /* internal for coherent mem
                                             override */
+        /* arch specific additions */
+        struct dev_archdata     archdata;
        /* class_device migration path */
        struct list_head        node;
@@ -395,7 +421,10 @@ extern int __must_check device_add(struct device * dev);
 extern void device_del(struct device * dev);
 extern int device_for_each_child(struct device *, void *,
                     int (*fn)(struct device *, void *));
+extern struct device *device_find_child(struct device *, void *data,
+                                        int (*match)(struct device *, void *));
 extern int device_rename(struct device *dev, char *new_name);
+extern int device_move(struct device *dev, struct device *new_parent);
 /*
 * Manual binding of a device to driver. See drivers/base/bus.c
@@ -415,8 +444,6 @@ extern struct device *device_create(struct class *cls, struct device *parent,
                                    __attribute__((format(printf,4,5)));
 extern void device_destroy(struct class *cls, dev_t devt);
-extern int virtual_device_parent(struct device *dev);
 /*
 * Platform "fixup" functions - allow the platform to have their say
 * about devices and actions that the general device layer doesn't
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 2fa9f1144228..a24931d24404 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -21,11 +21,11 @@ typedef void (elevator_completed_req_fn) (request_queue_t *, struct request *);
 typedef int (elevator_may_queue_fn) (request_queue_t *, int);
 typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, gfp_t);
-typedef void (elevator_put_req_fn) (request_queue_t *, struct request *);
+typedef void (elevator_put_req_fn) (struct request *);
 typedef void (elevator_activate_req_fn) (request_queue_t *, struct request *);
 typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *);
-typedef void *(elevator_init_fn) (request_queue_t *, elevator_t *);
+typedef void *(elevator_init_fn) (request_queue_t *);
 typedef void (elevator_exit_fn) (elevator_t *);
 struct elevator_ops
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 3e69241e6a81..fa23e0671bb3 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -774,8 +774,8 @@ struct fb_info {
 #endif
        struct fb_ops *fbops;
-        struct device *device;
+        struct device *device;          /* This is the parent */
-        struct class_device *class_device; /* sysfs per device attrs */
+        struct device *dev;             /* This is this fb device */
        int class_flag;                    /* private sysfs flags */
 #ifdef CONFIG_FB_TILEBLITTING
        struct fb_tile_ops *tileops;    /* Tile Blitting */
@@ -910,8 +910,8 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
 /* drivers/video/fbsysfs.c */
 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
 extern void framebuffer_release(struct fb_info *info);
-extern int fb_init_class_device(struct fb_info *fb_info);
+extern int fb_init_device(struct fb_info *fb_info);
-extern void fb_cleanup_class_device(struct fb_info *head);
+extern void fb_cleanup_device(struct fb_info *head);
 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
 /* drivers/video/fbmon.c */
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index d42c83399071..cf8696d4a138 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -89,6 +89,7 @@ struct resource_list {
 #define IORESOURCE_ROM_ENABLE           (1<<0)  /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */
 #define IORESOURCE_ROM_SHADOW           (1<<1)  /* ROM is copy at C000:0 */
 #define IORESOURCE_ROM_COPY             (1<<2)  /* ROM is alloc'd copy, resource field overlaid */
+#define IORESOURCE_ROM_BIOS_COPY        (1<<3)  /* ROM is BIOS copy, resource field overlaid */
 /* PC/ISA/whatever - the normal PC address spaces: IO and memory */
 extern struct resource ioport_resource;
diff --git a/include/linux/ixjuser.h b/include/linux/ixjuser.h
index fd1756d3a47e..88b45895746d 100644
--- a/include/linux/ixjuser.h
+++ b/include/linux/ixjuser.h
@@ -315,7 +315,7 @@ typedef struct {
 * structures.  If the freq0 variable is non-zero, the tone table contents
 * for the tone_index are updated to the frequencies and gains defined.  It
 * should be noted that DTMF tones cannot be reassigned, so if DTMF tone
-* table indexs are used in a cadence the frequency and gain variables will
+* table indexes are used in a cadence the frequency and gain variables will
 * be ignored.
 *
 * If the array elements contain frequency parameters the driver will
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index c8d5f207c3d4..0ec6e28bccd2 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -74,7 +74,7 @@
 #define __jiffy_data  __attribute__((section(".data")))
 /*
- * The 64-bit value is not volatile - you MUST NOT read it
+ * The 64-bit value is not atomic - you MUST NOT read it
 * without sampling the sequence number in xtime_lock.
 * get_jiffies_64() will do this for you as appropriate.
 */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b9b5e4ba166a..6738283ac385 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -65,7 +65,7 @@ struct user;
 * context (spinlock, irq-handler, ...).
 *
 * This is a useful debugging help to be able to catch problems early and not
- * be biten later when the calling function happens to sleep when it is not
+ * be bitten later when the calling function happens to sleep when it is not
 * supposed to.
 */
 #ifdef CONFIG_PREEMPT_VOLUNTARY
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index bcd9cd173c2c..d1c8d28fa92e 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -47,6 +47,7 @@ enum kobject_action {
        KOBJ_UMOUNT     = (__force kobject_action_t) 0x05,      /* umount event for block devices (broken) */
        KOBJ_OFFLINE    = (__force kobject_action_t) 0x06,      /* device offline */
        KOBJ_ONLINE     = (__force kobject_action_t) 0x07,      /* device online */
+        KOBJ_MOVE       = (__force kobject_action_t) 0x08,      /* device move */
 };
 struct kobject {
@@ -76,6 +77,7 @@ extern int __must_check kobject_add(struct kobject *);
 extern void kobject_del(struct kobject *);
 extern int __must_check kobject_rename(struct kobject *, const char *new_name);
+extern int __must_check kobject_move(struct kobject *, struct kobject *);
 extern int __must_check kobject_register(struct kobject *);
 extern void kobject_unregister(struct kobject *);
@@ -264,6 +266,8 @@ extern int __must_check subsys_create_file(struct subsystem * ,
 #if defined(CONFIG_HOTPLUG)
 void kobject_uevent(struct kobject *kobj, enum kobject_action action);
+void kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
+                        char *envp[]);
 int add_uevent_var(char **envp, int num_envp, int *cur_index,
                        char *buffer, int buffer_size, int *cur_len,
@@ -271,6 +275,10 @@ int add_uevent_var(char **envp, int num_envp, int *cur_index,
        __attribute__((format (printf, 7, 8)));
 #else
 static inline void kobject_uevent(struct kobject *kobj, enum kobject_action action) { }
+static inline void kobject_uevent_env(struct kobject *kobj,
+                                      enum kobject_action action,
+                                      char *envp[])
+{ }
 static inline int add_uevent_var(char **envp, int num_envp, int *cur_index,
                                      char *buffer, int buffer_size, int *cur_len, 
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index b03cfb91e228..326da7d500c7 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -31,15 +31,14 @@
 #define HPET_MINOR           228
 struct device;
-struct class_device;
 struct miscdevice  {
        int minor;
        const char *name;
        const struct file_operations *fops;
        struct list_head list;
-        struct device *dev;
+        struct device *parent;
-        struct class_device *class;
+        struct device *this_device;
 };
 extern int misc_register(struct miscdevice * misc);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 587264a58d56..528e7d3fecb1 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -74,8 +74,8 @@ struct mmc_card;
 struct device;
 struct mmc_host {
-        struct device           *dev;
+        struct device           *parent;
-        struct class_device     class_dev;
+        struct device           class_dev;
        int                     index;
        const struct mmc_host_ops *ops;
        unsigned int            f_min;
@@ -125,8 +125,8 @@ static inline void *mmc_priv(struct mmc_host *host)
        return (void *)host->private;
 }
-#define mmc_dev(x)      ((x)->dev)
+#define mmc_dev(x)      ((x)->parent)
-#define mmc_hostname(x) ((x)->class_dev.class_id)
+#define mmc_hostname(x) ((x)->class_dev.bus_id)
 extern int mmc_suspend_host(struct mmc_host *, pm_message_t);
 extern int mmc_resume_host(struct mmc_host *);
diff --git a/include/linux/module.h b/include/linux/module.h
index d1d00ce8f4ed..9258ffd8a7f0 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -264,6 +264,7 @@ struct module
        struct module_attribute *modinfo_attrs;
        const char *version;
        const char *srcversion;
+        struct kobject *drivers_dir;
        /* Exported symbols */
        const struct kernel_symbol *syms;
diff --git a/include/linux/mqueue.h b/include/linux/mqueue.h
index 8db9d75541a6..8b5a79615fbf 100644
--- a/include/linux/mqueue.h
+++ b/include/linux/mqueue.h
@@ -18,8 +18,6 @@
 #ifndef _LINUX_MQUEUE_H
 #define _LINUX_MQUEUE_H
-#include <linux/types.h>
 #define MQ_PRIO_MAX     32768
 /* per-uid limit of kernel memory used by mqueue, in bytes */
 #define MQ_BYTES_MAX    819200
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9264139bd8df..83b8c4f1d69d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -93,8 +93,10 @@ struct netpoll_info;
 #endif
 #endif
-#if !defined(CONFIG_NET_IPIP) && \
+#if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \
-    !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE)
+    !defined(CONFIG_NET_IPGRE) &&  !defined(CONFIG_NET_IPGRE_MODULE) && \
+    !defined(CONFIG_IPV6_SIT) && !defined(CONFIG_IPV6_SIT_MODULE) && \
+    !defined(CONFIG_IPV6_TUNNEL) && !defined(CONFIG_IPV6_TUNNEL_MODULE)
 #define MAX_HEADER LL_MAX_HEADER
 #else
 #define MAX_HEADER (LL_MAX_HEADER + 48)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 09be0f81b27b..01c707261f9c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -51,6 +51,7 @@
 #include <linux/list.h>
 #include <linux/compiler.h>
 #include <linux/errno.h>
+#include <asm/atomic.h>
 #include <linux/device.h>
 /* File state for mmap()s on /proc/bus/pci/X/Y */
@@ -159,7 +160,6 @@ struct pci_dev {
        unsigned int    transparent:1;  /* Transparent PCI bridge */
        unsigned int    multifunction:1;/* Part of multi-function device */
        /* keep track of device state */
-        unsigned int    is_enabled:1;   /* pci_enable_device has been called */
        unsigned int    is_busmaster:1; /* device is busmaster */
        unsigned int    no_msi:1;       /* device may not use msi */
        unsigned int    no_d1d2:1;   /* only allow d0 or d3 */
@@ -167,6 +167,7 @@ struct pci_dev {
        unsigned int    broken_parity_status:1; /* Device generates false positive parity */
        unsigned int    msi_enabled:1;
        unsigned int    msix_enabled:1;
+        atomic_t        enable_cnt;     /* pci_enable_device has been called */
        u32             saved_config_space[16]; /* config space saved at suspend time */
        struct hlist_head saved_cap_space;
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index fa4e1d799782..e060a7637947 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2211,6 +2211,13 @@
 #define PCI_DEVICE_ID_INTEL_ICH8_4      0x2815
 #define PCI_DEVICE_ID_INTEL_ICH8_5      0x283e
 #define PCI_DEVICE_ID_INTEL_ICH8_6      0x2850
+#define PCI_DEVICE_ID_INTEL_ICH9_0      0x2910
+#define PCI_DEVICE_ID_INTEL_ICH9_1      0x2911
+#define PCI_DEVICE_ID_INTEL_ICH9_2      0x2912
+#define PCI_DEVICE_ID_INTEL_ICH9_3      0x2913
+#define PCI_DEVICE_ID_INTEL_ICH9_4      0x2914
+#define PCI_DEVICE_ID_INTEL_ICH9_5      0x2915
+#define PCI_DEVICE_ID_INTEL_ICH9_6      0x2930
 #define PCI_DEVICE_ID_INTEL_82855PM_HB  0x3340
 #define PCI_DEVICE_ID_INTEL_82830_HB    0x3575
 #define PCI_DEVICE_ID_INTEL_82830_CGC   0x3577
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c321316f1bc7..064b1dc71c22 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -292,6 +292,12 @@
 #define PCI_MSI_DATA_64         12      /* 16 bits of data for 64-bit devices */
 #define PCI_MSI_MASK_BIT        16      /* Mask bits register */
+/* MSI-X registers (these are at offset PCI_MSI_FLAGS) */
+#define PCI_MSIX_FLAGS_QSIZE    0x7FF
+#define PCI_MSIX_FLAGS_ENABLE   (1 << 15)
+#define PCI_MSIX_FLAGS_BIRMASK  (7 << 0)
+#define PCI_MSIX_FLAGS_BITMASK  (1 << 0)
 /* CompactPCI Hotswap Register */
 #define PCI_CHSWP_CSR           2       /* Control and Status Register */
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 29cd6dee13db..20f47b81d3fa 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -58,6 +58,12 @@ struct platform_driver {
 extern int platform_driver_register(struct platform_driver *);
 extern void platform_driver_unregister(struct platform_driver *);
+/* non-hotpluggable platform devices may use this so that probe() and
+ * its support may live in __init sections, conserving runtime memory.
+ */
+extern int platform_driver_probe(struct platform_driver *driver,
+                int (*probe)(struct platform_device *));
 #define platform_get_drvdata(_dev)      dev_get_drvdata(&(_dev)->dev)
 #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 73e0becec086..62a7169aed8b 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -429,7 +429,7 @@ enum reiserfs_mount_options {
 /* -o hash={tea, rupasov, r5, detect} is meant for properly mounting 
 ** reiserfs disks from 3.5.19 or earlier.  99% of the time, this option
 ** is not required.  If the normal autodection code can't determine which
-** hash to use (because both hases had the same value for a file)
+** hash to use (because both hashes had the same value for a file)
 ** use this option to force a specific hash.  It won't allow you to override
 ** the existing hash on the FS, so if you have a tea hash disk, and mount
 ** with -o hash=rupasov, the mount will fail.
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 6d5c43d31dec..2129d1b6c874 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -97,6 +97,9 @@ extern int __must_check
 sysfs_rename_dir(struct kobject *, const char *new_name);
 extern int __must_check
+sysfs_move_dir(struct kobject *, struct kobject *);
+extern int __must_check
 sysfs_create_file(struct kobject *, const struct attribute *);
 extern int __must_check
@@ -142,6 +145,11 @@ static inline int sysfs_rename_dir(struct kobject * k, const char *new_name)
        return 0;
 }
+static inline int sysfs_move_dir(struct kobject * k, struct kobject * new_parent)
+{
+        return 0;
+}
 static inline int sysfs_create_file(struct kobject * k, const struct attribute * a)
 {
        return 0;
diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h
index 7dac8f04d28e..004808a6df1d 100644
--- a/include/linux/textsearch.h
+++ b/include/linux/textsearch.h
@@ -20,7 +20,7 @@ struct ts_config;
 /**
 * struct ts_state - search state
 * @offset: offset for next match
- * @cb: control buffer, for persistant variables of get_next_block()
+ * @cb: control buffer, for persistent variables of get_next_block()
 */
 struct ts_state
 {
@@ -71,7 +71,7 @@ struct ts_config
         * Called repeatedly until 0 is returned. Must assign the
         * head of the next block of data to &*dst and return the length
         * of the block or 0 if at the end. consumed == 0 indicates
-         * a new search. May store/read persistant values in state->cb.
+         * a new search. May store/read persistent values in state->cb.
         */
        unsigned int            (*get_next_block)(unsigned int consumed,
                                                  const u8 **dst,
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 44091c0db0b4..65321f911c1e 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -276,9 +276,8 @@ extern int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc);
 extern int tty_unregister_ldisc(int disc);
 extern int tty_register_driver(struct tty_driver *driver);
 extern int tty_unregister_driver(struct tty_driver *driver);
-extern struct class_device *tty_register_device(struct tty_driver *driver,
+extern struct device *tty_register_device(struct tty_driver *driver,
-                                                unsigned index,
+                                          unsigned index, struct device *dev);
-                                                struct device *dev);
 extern void tty_unregister_device(struct tty_driver *driver, unsigned index);
 extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp,
                             int buflen);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 5482bfb3303d..0cd73edeef13 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -313,8 +313,13 @@ struct usb_bus {
 /* This is arbitrary.
 * From USB 2.0 spec Table 11-13, offset 7, a hub can
 * have up to 255 ports. The most yet reported is 10.
+ *
+ * Current Wireless USB host hardware (Intel i1480 for example) allows
+ * up to 22 devices to connect. Upcoming hardware might raise that
+ * limit. Because the arrays need to add a bit for hub status data, we
+ * do 31, so plus one evens out to four bytes.
 */
-#define USB_MAXCHILDREN         (16)
+#define USB_MAXCHILDREN         (31)
 struct usb_tt;
@@ -357,7 +362,8 @@ struct usb_device {
        u8 portnum;                     /* Parent port number (origin 1) */
        u8 level;                       /* Number of USB hub ancestors */
-        int have_langid;                /* whether string_langid is valid */
+        unsigned discon_suspended:1;    /* Disconnected while suspended */
+        unsigned have_langid:1;         /* whether string_langid is valid */
        int string_langid;              /* language ID for strings */
        /* static strings from the device */
@@ -410,14 +416,37 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
 /* USB autosuspend and autoresume */
 #ifdef CONFIG_USB_SUSPEND
+extern int usb_autopm_set_interface(struct usb_interface *intf);
 extern int usb_autopm_get_interface(struct usb_interface *intf);
 extern void usb_autopm_put_interface(struct usb_interface *intf);
+static inline void usb_autopm_enable(struct usb_interface *intf)
+{
+        intf->pm_usage_cnt = 0;
+        usb_autopm_set_interface(intf);
+}
+static inline void usb_autopm_disable(struct usb_interface *intf)
+{
+        intf->pm_usage_cnt = 1;
+        usb_autopm_set_interface(intf);
+}
 #else
-#define usb_autopm_get_interface(intf)          0
-#define usb_autopm_put_interface(intf)          do {} while (0)
-#endif
+static inline int usb_autopm_set_interface(struct usb_interface *intf)
+{ return 0; }
+static inline int usb_autopm_get_interface(struct usb_interface *intf)
+{ return 0; }
+static inline void usb_autopm_put_interface(struct usb_interface *intf)
+{ }
+static inline void usb_autopm_enable(struct usb_interface *intf)
+{ }
+static inline void usb_autopm_disable(struct usb_interface *intf)
+{ }
+#endif
 /*-------------------------------------------------------------------------*/
@@ -490,17 +519,137 @@ static inline int usb_make_path (struct usb_device *dev, char *buf,
 /*-------------------------------------------------------------------------*/
-extern int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd);
+/**
-extern int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd);
+ * usb_endpoint_dir_in - check if the endpoint has IN direction
-extern int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd);
+ * @epd: endpoint to be checked
-extern int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd);
+ *
-extern int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd);
+ * Returns true if the endpoint is of type IN, otherwise it returns false.
-extern int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd);
+ */
-extern int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd);
+static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
-extern int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd);
+{
-extern int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd);
+        return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
-extern int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd);
+}
-extern int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd);
+/**
+ * usb_endpoint_dir_out - check if the endpoint has OUT direction
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type OUT, otherwise it returns false.
+ */
+static inline int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
+{
+        return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
+}
+/**
+ * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type bulk, otherwise it returns false.
+ */
+static inline int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
+{
+        return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+                USB_ENDPOINT_XFER_BULK);
+}
+/**
+ * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type interrupt, otherwise it returns
+ * false.
+ */
+static inline int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
+{
+        return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+                USB_ENDPOINT_XFER_INT);
+}
+/**
+ * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type isochronous, otherwise it returns
+ * false.
+ */
+static inline int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
+{
+        return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+                USB_ENDPOINT_XFER_ISOC);
+}
+/**
+ * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has bulk transfer type and IN direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
+{
+        return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd));
+}
+/**
+ * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has bulk transfer type and OUT direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
+{
+        return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd));
+}
+/**
+ * usb_endpoint_is_int_in - check if the endpoint is interrupt IN
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has interrupt transfer type and IN direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
+{
+        return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd));
+}
+/**
+ * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has interrupt transfer type and OUT direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
+{
+        return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd));
+}
+/**
+ * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has isochronous transfer type and IN direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
+{
+        return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd));
+}
+/**
+ * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has isochronous transfer type and OUT direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
+{
+        return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd));
+}
 /*-------------------------------------------------------------------------*/