4 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index b4bf1e09cf9a..a74e1a5c56fd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -511,8 +511,8 @@ struct rt2x00lib_ops {
 	 */
 	int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
 	char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
-	u16 (*get_firmware_crc) (void *data, const size_t len);
-	int (*load_firmware) (struct rt2x00_dev *rt2x00dev, void *data,
+	u16 (*get_firmware_crc) (const void *data, const size_t len);
+	int (*load_firmware) (struct rt2x00_dev *rt2x00dev, const void *data,
 			      const size_t len);
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index 9d1cdb99431c..b41967ecbf6d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -82,7 +82,7 @@ static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
 static inline void
 rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 			      const unsigned long offset,
-			      void *value, const u16 length)
+			      const void *value, const u16 length)
 {
 	memcpy_toio(rt2x00dev->csr.base + offset, value, length);
 }
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index c3afb5cbe807..580f90b63de7 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -915,7 +915,7 @@ static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 	return fw_name;
 }
 
-static u16 rt61pci_get_firmware_crc(void *data, const size_t len)
+static u16 rt61pci_get_firmware_crc(const void *data, const size_t len)
 {
 	u16 crc;
 
@@ -932,7 +932,7 @@ static u16 rt61pci_get_firmware_crc(void *data, const size_t len)
 	return crc;
 }
 
-static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
+static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data,
 				 const size_t len)
 {
 	int i;
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 46e9e081fbf1..6a62d6bb96fe 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -856,7 +856,7 @@ static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 	return FIRMWARE_RT2571;
 }
 
-static u16 rt73usb_get_firmware_crc(void *data, const size_t len)
+static u16 rt73usb_get_firmware_crc(const void *data, const size_t len)
 {
 	u16 crc;
 
@@ -873,13 +873,13 @@ static u16 rt73usb_get_firmware_crc(void *data, const size_t len)
 	return crc;
 }
 
-static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
+static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data,
 				 const size_t len)
 {
 	unsigned int i;
 	int status;
 	u32 reg;
-	char *ptr = data;
+	const char *ptr = data;
 	char *cache;
 	int buflen;
 	int timeout;