rt2x00: Unconstify rt2x00dev

Some register accesses need rt2x00dev to be non-const
they all need modifying so the prototype is consistent.

Signed-off-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 2681abe..53282b0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -91,7 +91,7 @@
  * a buffer allocated by kmalloc. Failure to do so can lead
  * to unexpected behavior depending on the architecture.
  */
-int rt2x00usb_vendor_request(const struct rt2x00_dev *rt2x00dev,
+int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev,
 			     const u8 request, const u8 requesttype,
 			     const u16 offset, const u16 value,
 			     void *buffer, const u16 buffer_length,
@@ -107,7 +107,7 @@
  * kmalloc. Hence the reason for using a previously allocated cache
  * which has been allocated properly.
  */
-int rt2x00usb_vendor_request_buff(const struct rt2x00_dev *rt2x00dev,
+int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev,
 				  const u8 request, const u8 requesttype,
 				  const u16 offset, void *buffer,
 				  const u16 buffer_length, const int timeout);
@@ -117,8 +117,7 @@
  * command to the device. Since we don't use the buffer argument we
  * don't have to worry about kmalloc here.
  */
-static inline int rt2x00usb_vendor_request_sw(const struct rt2x00_dev
-					      *rt2x00dev,
+static inline int rt2x00usb_vendor_request_sw(struct rt2x00_dev *rt2x00dev,
 					      const u8 request,
 					      const u16 offset,
 					      const u16 value,
@@ -134,8 +133,8 @@
  * from the device. Note that the eeprom argument _must_ be allocated using
  * kmalloc for correct handling inside the kernel USB layer.
  */
-static inline int rt2x00usb_eeprom_read(const struct rt2x00_dev *rt2x00dev,
-					 __le16 *eeprom, const u16 lenght)
+static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
+					__le16 *eeprom, const u16 lenght)
 {
 	int timeout = REGISTER_TIMEOUT * (lenght / sizeof(u16));