[PATCH] USB: Remove USB private semaphore

[~andy/linux] / include / linux / usb.h

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 2714814ab66cc40a4e326f38a9e6c4b12057cf9e..46dc0421d19e6603c8600a92553cb5983773355d 100644 (file)
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -329,8 +329,6 @@ struct usb_device {
        struct usb_tt   *tt;            /* low/full speed dev, highspeed hub */
        int             ttport;         /* device port on that tt hub */
 
-       struct semaphore serialize;
-
        unsigned int toggle[2];         /* one bit for each endpoint
                                         * ([0] = IN, [1] = OUT) */
 
@@ -377,11 +375,12 @@ struct usb_device {
 extern struct usb_device *usb_get_dev(struct usb_device *dev);
 extern void usb_put_dev(struct usb_device *dev);
 
-extern void usb_lock_device(struct usb_device *udev);
-extern int usb_trylock_device(struct usb_device *udev);
+/* USB device locking */
+#define usb_lock_device(udev)          down(&(udev)->dev.sem)
+#define usb_unlock_device(udev)                up(&(udev)->dev.sem)
+#define usb_trylock_device(udev)       down_trylock(&(udev)->dev.sem)
 extern int usb_lock_device_for_reset(struct usb_device *udev,
                struct usb_interface *iface);
-extern void usb_unlock_device(struct usb_device *udev);
 
 /* USB port reset for device reinitialization */
 extern int usb_reset_device(struct usb_device *dev);