Don't include linux/config.h from anywhere else in include/

[powerpc.git] / include / linux / usb.h

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 856d232..1f492c0 100644 (file)
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -10,7 +10,6 @@
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
 #include <linux/errno.h>        /* for -ENODEV */
 #include <linux/delay.h>       /* for mdelay() */
 #include <linux/interrupt.h>   /* for in_interrupt() */
@@ -47,6 +46,7 @@ struct usb_driver;
  * @urb_list: urbs queued to this endpoint; maintained by usbcore
  * @hcpriv: for use by HCD; typically holds hardware dma queue head (QH)
  *     with one or more transfer descriptors (TDs) per urb
+ * @kobj: kobject for sysfs info
  * @extra: descriptors following this endpoint in the configuration
  * @extralen: how many bytes of "extra" are valid
  *
@@ -224,7 +224,7 @@ struct usb_interface_cache {
  * 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.
  */
@@ -328,8 +328,6 @@ 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) */
 
@@ -348,6 +346,9 @@ struct usb_device {
 
        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 */
 
@@ -376,11 +377,12 @@ 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);
@@ -528,10 +530,13 @@ static inline int usb_make_path (struct usb_device *dev, char *buf,
 
 /* ----------------------------------------------------------------------- */
 
+struct usb_dynids {
+       spinlock_t lock;
+       struct list_head list;
+};
+
 /**
  * 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
@@ -552,7 +557,11 @@ static inline int usb_make_path (struct usb_device *dev, char *buf,
  * @id_table: USB drivers use ID table to support hotplugging.
  *     Export this with MODULE_DEVICE_TABLE(usb,...).  This must be set
  *     or your driver's probe function will never get called.
+ * @dynids: used internally to hold the list of dynamically added device
+ *     ids for this driver.
  * @driver: the driver model core driver structure.
+ * @no_dynamic_id: if set to 1, the USB core will not allow dynamic ids to be
+ *     added to this driver by preventing the sysfs file from being created.
  *
  * USB drivers must provide a name, probe() and disconnect() methods,
  * and an id_table.  Other driver fields are optional.
@@ -570,8 +579,6 @@ static inline int usb_make_path (struct usb_device *dev, char *buf,
  * them as necessary, and blocking until the unlinks complete).
  */
 struct usb_driver {
-       struct module *owner;
-
        const char *name;
 
        int (*probe) (struct usb_interface *intf,
@@ -587,7 +594,9 @@ struct usb_driver {
 
        const struct usb_device_id *id_table;
 
+       struct usb_dynids dynids;
        struct device_driver driver;
+       unsigned int no_dynamic_id:1;
 };
 #define        to_usb_driver(d) container_of(d, struct usb_driver, driver)
 
@@ -605,7 +614,7 @@ extern struct bus_type usb_bus_type;
  */
 struct usb_class_driver {
        char *name;
-       struct file_operations *fops;
+       const struct file_operations *fops;
        int minor_base;
 };
 
@@ -613,7 +622,11 @@ struct usb_class_driver {
  * use these in module_init()/module_exit()
  * and don't forget MODULE_DEVICE_TABLE(usb, ...)
  */
-extern int usb_register(struct usb_driver *);
+int usb_register_driver(struct usb_driver *, struct module *);
+static inline int usb_register(struct usb_driver *driver)
+{
+       return usb_register_driver(driver, THIS_MODULE);
+}
 extern void usb_deregister(struct usb_driver *);
 
 extern int usb_register_dev(struct usb_interface *intf,
@@ -1004,8 +1017,6 @@ extern int usb_get_descriptor(struct usb_device *dev, unsigned char desctype,
        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);