Merge commit 'v2.6.29-rc1' into core/urgent

1 files changed, 23 insertions, 7 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index f72aa51f7bcd..85ee9be9361e 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
+ * @ep_devs_created: endpoint child pseudo-devices exist
  * @unregistering: flag set when the interface is being unregistered
  * @needs_remote_wakeup: flag set when the driver requires remote-wakeup
  *	capability during autosuspend.
@@ -120,6 +121,11 @@ enum usb_interface_condition {
  *	to the sysfs representation for that device.
  * @pm_usage_cnt: PM usage counter for this interface; autosuspend is not
  *	allowed unless the counter is 0.
+ * @reset_ws: Used for scheduling resets from atomic context.
+ * @reset_running: set to 1 if the interface is currently running a
+ *      queued reset so that usb_cancel_queued_reset() doesn't try to
+ *      remove from the workqueue when running inside the worker
+ *      thread. See __usb_queue_reset_device().
  *
  * USB device drivers attach to interfaces on a physical device.  Each
  * interface encapsulates a single high level function, such as feeding
@@ -164,14 +170,17 @@ 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 ep_devs_created:1;	/* endpoint "devices" 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 */
+	unsigned reset_running:1;
 
 	struct device dev;		/* interface specific device info */
 	struct device *usb_dev;
 	int pm_usage_cnt;		/* usage counter for autosuspend */
+	struct work_struct reset_ws;	/* for resets in atomic context */
 };
 #define	to_usb_interface(d) container_of(d, struct usb_interface, dev)
 #define	interface_to_usbdev(intf) \
@@ -329,7 +338,7 @@ struct usb_bus {
 #endif
 	struct device *dev;		/* device for this bus */
 
-#if defined(CONFIG_USB_MON)
+#if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE)
 	struct mon_bus *mon_bus;	/* non-null when associated */
 	int monitored;			/* non-zero when monitored */
 #endif
@@ -398,6 +407,7 @@ struct usb_tt;
  * @urbnum: number of URBs submitted for the whole device
  * @active_duration: total time device is not suspended
  * @autosuspend: for delayed autosuspends
+ * @autoresume: for autoresumes requested while in_interrupt
  * @pm_mutex: protects PM operations
  * @last_busy: time of last use
  * @autosuspend_delay: in jiffies
@@ -476,6 +486,7 @@ struct usb_device {
 
 #ifdef CONFIG_PM
 	struct delayed_work autosuspend;
+	struct work_struct autoresume;
 	struct mutex pm_mutex;
 
 	unsigned long last_busy;
@@ -505,6 +516,7 @@ extern int usb_lock_device_for_reset(struct usb_device *udev,
 
 /* USB port reset for device reinitialization */
 extern int usb_reset_device(struct usb_device *dev);
+extern void usb_queue_reset_device(struct usb_interface *dev);
 
 extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
 
@@ -513,6 +525,8 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
 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);
+extern int usb_autopm_get_interface_async(struct usb_interface *intf);
+extern void usb_autopm_put_interface_async(struct usb_interface *intf);
 
 static inline void usb_autopm_enable(struct usb_interface *intf)
 {
@@ -539,8 +553,13 @@ static inline int usb_autopm_set_interface(struct usb_interface *intf)
 static inline int usb_autopm_get_interface(struct usb_interface *intf)
 { return 0; }
 
+static inline int usb_autopm_get_interface_async(struct usb_interface *intf)
+{ return 0; }
+
 static inline void usb_autopm_put_interface(struct usb_interface *intf)
 { }
+static inline void usb_autopm_put_interface_async(struct usb_interface *intf)
+{ }
 static inline void usb_autopm_enable(struct usb_interface *intf)
 { }
 static inline void usb_autopm_disable(struct usb_interface *intf)
@@ -1050,7 +1069,7 @@ struct usb_device_driver {
 	void (*disconnect) (struct usb_device *udev);
 
 	int (*suspend) (struct usb_device *udev, pm_message_t message);
-	int (*resume) (struct usb_device *udev);
+	int (*resume) (struct usb_device *udev, pm_message_t message);
 	struct usbdrv_wrap drvwrap;
 	unsigned int supports_autosuspend:1;
 };
@@ -1321,7 +1340,7 @@ struct urb {
 	struct kref kref;		/* reference count of the URB */
 	void *hcpriv;			/* private data for host controller */
 	atomic_t use_count;		/* concurrent submissions counter */
-	u8 reject;			/* submissions will fail */
+	atomic_t reject;		/* submissions will fail */
 	int unlinked;			/* unlink error code */
 
 	/* public: documented fields in the urb that can be used by drivers */
@@ -1466,6 +1485,7 @@ extern void usb_poison_urb(struct urb *urb);
 extern void usb_unpoison_urb(struct urb *urb);
 extern void usb_kill_anchored_urbs(struct usb_anchor *anchor);
 extern void usb_poison_anchored_urbs(struct usb_anchor *anchor);
+extern void usb_unpoison_anchored_urbs(struct usb_anchor *anchor);
 extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor);
 extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor);
 extern void usb_unanchor_urb(struct urb *urb);
@@ -1722,10 +1742,6 @@ extern void usb_unregister_notify(struct notifier_block *nb);
 
 #define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
 	format "\n" , ## arg)
-#define info(format, arg...) printk(KERN_INFO KBUILD_MODNAME ": " \
-	format "\n" , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING KBUILD_MODNAME ": " \
-	format "\n" , ## arg)
 
 #endif  /* __KERNEL__ */