USB: flush outstanding URBs when suspending

[linux-2.6-omap-h63xx.git] / drivers / usb / core / hcd.h

diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index ef50fa494e47838ec852e744bb689c9bb863065f..1396141274f11fbedaf27ac317838a90a2b47643 100644 (file)
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -51,6 +51,12 @@
  *
  * Since "struct usb_bus" is so thin, you can't share much code in it.
  * This framework is a layer over that, and should be more sharable.
+ *
+ * @authorized_default: Specifies if new devices are authorized to
+ *                      connect by default or they require explicit
+ *                      user space authorization; this bit is settable
+ *                      through /sys/class/usb_host/X/authorized_default.
+ *                      For the rest is RO, so we don't lock to r/w it.
  */
 
 /*-------------------------------------------------------------------------*/
@@ -90,6 +96,7 @@ struct usb_hcd {
        unsigned                poll_rh:1;      /* poll for rh status? */
        unsigned                poll_pending:1; /* status has changed? */
        unsigned                wireless:1;     /* Wireless USB HCD */
+       unsigned                authorized_default:1;
 
        int                     irq;            /* irq allocated */
        void __iomem            *regs;          /* device memory/io */
@@ -182,11 +189,10 @@ struct hc_driver {
        int     (*get_frame_number) (struct usb_hcd *hcd);
 
        /* manage i/o requests, device state */
-       int     (*urb_enqueue) (struct usb_hcd *hcd,
-                                       struct usb_host_endpoint *ep,
-                                       struct urb *urb,
-                                       gfp_t mem_flags);
-       int     (*urb_dequeue) (struct usb_hcd *hcd, struct urb *urb);
+       int     (*urb_enqueue)(struct usb_hcd *hcd,
+                               struct urb *urb, gfp_t mem_flags);
+       int     (*urb_dequeue)(struct usb_hcd *hcd,
+                               struct urb *urb, int status);
 
        /* hw synch, freeing endpoint resources that urb_dequeue can't */
        void    (*endpoint_disable)(struct usb_hcd *hcd,
@@ -204,10 +210,18 @@ struct hc_driver {
                /* Needed only if port-change IRQs are level-triggered */
 };
 
+extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);
+extern int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb,
+               int status);
+extern void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb);
+
 extern int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags);
 extern int usb_hcd_unlink_urb (struct urb *urb, int status);
-extern void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb);
-extern void usb_hcd_endpoint_disable (struct usb_device *udev,
+extern void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb,
+               int status);
+extern void usb_hcd_flush_endpoint(struct usb_device *udev,
+               struct usb_host_endpoint *ep);
+extern void usb_hcd_disable_endpoint(struct usb_device *udev,
                struct usb_host_endpoint *ep);
 extern int usb_hcd_get_frame_number (struct usb_device *udev);
 
@@ -364,23 +378,13 @@ extern int usb_find_interface_driver (struct usb_device *dev,
 #ifdef CONFIG_PM
 extern void usb_hcd_resume_root_hub (struct usb_hcd *hcd);
 extern void usb_root_hub_lost_power (struct usb_device *rhdev);
-extern int hcd_bus_suspend (struct usb_bus *bus);
-extern int hcd_bus_resume (struct usb_bus *bus);
+extern int hcd_bus_suspend(struct usb_device *rhdev);
+extern int hcd_bus_resume(struct usb_device *rhdev);
 #else
 static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd)
 {
        return;
 }
-
-static inline int hcd_bus_suspend(struct usb_bus *bus)
-{
-       return 0;
-}
-
-static inline int hcd_bus_resume (struct usb_bus *bus)
-{
-       return 0;
-}
 #endif /* CONFIG_PM */
 
 /*
@@ -412,7 +416,7 @@ static inline void usbfs_cleanup(void) { }
 struct usb_mon_operations {
        void (*urb_submit)(struct usb_bus *bus, struct urb *urb);
        void (*urb_submit_error)(struct usb_bus *bus, struct urb *urb, int err);
-       void (*urb_complete)(struct usb_bus *bus, struct urb *urb);
+       void (*urb_complete)(struct usb_bus *bus, struct urb *urb, int status);
        /* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */
 };
 
@@ -431,10 +435,11 @@ static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb,
                (*mon_ops->urb_submit_error)(bus, urb, error);
 }
 
-static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb)
+static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
+               int status)
 {
        if (bus->monitored)
-               (*mon_ops->urb_complete)(bus, urb);
+               (*mon_ops->urb_complete)(bus, urb, status);
 }
 
 int usb_mon_register(struct usb_mon_operations *ops);
@@ -445,7 +450,8 @@ void usb_mon_deregister(void);
 static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) {}
 static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb,
     int error) {}
-static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {}
+static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
+               int status) {}
 
 #endif /* CONFIG_USB_MON */