* Device drivers should not attempt to activate configurations. The choice
* of which configuration to install is a policy decision based on such
* considerations as available power, functionality provided, and the user's
- * desires (expressed through hotplug scripts). However, drivers can call
+ * desires (expressed through userspace tools). However, drivers can call
* usb_reset_configuration() to reinitialize the current configuration and
* all its interfaces.
*/
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) */
char **rawdescriptors; /* Raw descriptors for each config */
+ unsigned short bus_mA; /* Current available from the bus */
+ u8 portnum; /* Parent port number (origin 1) */
+
int have_langid; /* whether string_langid is valid */
int string_langid; /* language ID for strings */
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);
/**
* struct usb_driver - identifies USB driver to usbcore
- * @owner: Pointer to the module owner of this driver; initialize
- * it using THIS_MODULE.
* @name: The driver name should be unique among USB drivers,
* and should normally be the same as the module name.
* @probe: Called to see if the driver is willing to manage a particular
* them as necessary, and blocking until the unlinks complete).
*/
struct usb_driver {
- struct module *owner;
-
const char *name;
int (*probe) (struct usb_interface *intf,
unsigned char descindex, void *buf, int size);
extern int usb_get_status(struct usb_device *dev,
int type, int target, void *data);
-extern int usb_get_string(struct usb_device *dev,
- unsigned short langid, unsigned char index, void *buf, int size);
extern int usb_string(struct usb_device *dev, int index,
char *buf, size_t size);