Staging: rt2870sta: constify RTUSBMultiWrite(), RTUSBFirmwareWrite()

These functions do not modify the data they are passed.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/rt2860/rtmp.h b/drivers/staging/rt2860/rtmp.h
index c50abf4..6c6503d 100644 (file)
--- a/drivers/staging/rt2860/rtmp.h
+++ b/drivers/staging/rt2860/rtmp.h
@@ -4043,10 +4043,10 @@ int RTUSBMultiRead(struct rt_rtmp_adapter *pAd,
                        u16 Offset, u8 *pData, u16 length);
 
 int RTUSBMultiWrite(struct rt_rtmp_adapter *pAd,
-                        u16 Offset, u8 *pData, u16 length);
+                   u16 Offset, const u8 *pData, u16 length);
 
 int RTUSBMultiWrite_OneByte(struct rt_rtmp_adapter *pAd,
-                                u16 Offset, u8 *pData);
+                           u16 Offset, const u8 *pData);
 
 int RTUSBReadBBPRegister(struct rt_rtmp_adapter *pAd,
                              u8 Id, u8 *pValue);
@@ -4112,7 +4112,7 @@ int RTUSBSingleWrite(struct rt_rtmp_adapter *pAd,
                          u16 Offset, u16 Value);
 
 int RTUSBFirmwareWrite(struct rt_rtmp_adapter *pAd,
-                           u8 *pFwImage, unsigned long FwLen);
+                      const u8 *pFwImage, unsigned long FwLen);
 
 int RTUSBVenderReset(struct rt_rtmp_adapter *pAd);
 

diff --git a/drivers/staging/rt2870/common/rtusb_io.c b/drivers/staging/rt2870/common/rtusb_io.c
index 34443f2..cf0d2f5 100644 (file)
--- a/drivers/staging/rt2870/common/rtusb_io.c
+++ b/drivers/staging/rt2870/common/rtusb_io.c
@@ -84,7 +84,7 @@ static int RTUSBFirmwareRun(struct rt_rtmp_adapter *pAd)
        ========================================================================
 */
 int RTUSBFirmwareWrite(struct rt_rtmp_adapter *pAd,
-                           u8 *pFwImage, unsigned long FwLen)
+                      const u8 *pFwImage, unsigned long FwLen)
 {
        u32 MacReg;
        int Status;
@@ -167,7 +167,7 @@ int RTUSBMultiRead(struct rt_rtmp_adapter *pAd,
        ========================================================================
 */
 int RTUSBMultiWrite_OneByte(struct rt_rtmp_adapter *pAd,
-                                u16 Offset, u8 *pData)
+                           u16 Offset, const u8 *pData)
 {
        int Status;
 
@@ -175,18 +175,18 @@ int RTUSBMultiWrite_OneByte(struct rt_rtmp_adapter *pAd,
        Status = RTUSB_VendorRequest(pAd,
                                     USBD_TRANSFER_DIRECTION_OUT,
                                     DEVICE_VENDOR_REQUEST_OUT,
-                                    0x6, 0, Offset, pData, 1);
+                                    0x6, 0, Offset, (u8 *)pData, 1);
 
        return Status;
 }
 
 int RTUSBMultiWrite(struct rt_rtmp_adapter *pAd,
-                        u16 Offset, u8 *pData, u16 length)
+                   u16 Offset, const u8 *pData, u16 length)
 {
        int Status;
 
        u16 index = 0, Value;
-       u8 *pSrc = pData;
+       const u8 *pSrc = pData;
        u16 resude = 0;
 
        resude = length % 2;