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/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index 82adeac..0357205 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -57,7 +57,7 @@
 /*
  * Register access.
  */
-static inline void rt2x00pci_register_read(const struct rt2x00_dev *rt2x00dev,
+static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
 					   const unsigned long offset,
 					   u32 *value)
 {
@@ -65,14 +65,14 @@
 }
 
 static inline void
-rt2x00pci_register_multiread(const struct rt2x00_dev *rt2x00dev,
+rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
 			     const unsigned long offset,
 			     void *value, const u16 length)
 {
 	memcpy_fromio(value, rt2x00dev->csr_addr + offset, length);
 }
 
-static inline void rt2x00pci_register_write(const struct rt2x00_dev *rt2x00dev,
+static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
 					    const unsigned long offset,
 					    u32 value)
 {
@@ -80,7 +80,7 @@
 }
 
 static inline void
-rt2x00pci_register_multiwrite(const struct rt2x00_dev *rt2x00dev,
+rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 			      const unsigned long offset,
 			      void *value, const u16 length)
 {