Staging: rt2860: use standard bit-reverse function

Make the rt2860 use standard bit-reversing functions

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/rt2860/common/rtmp_init.c b/drivers/staging/rt2860/common/rtmp_init.c
index 9b81443..84edfa5 100644 (file)
--- a/drivers/staging/rt2860/common/rtmp_init.c
+++ b/drivers/staging/rt2860/common/rtmp_init.c
@@ -39,6 +39,7 @@
 */
 #include "../rt_config.h"
 #include       "firmware.h"
+#include <linux/bitrev.h>
 
 UCHAR    BIT8[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
 ULONG    BIT32[] = {0x00000001, 0x00000002, 0x00000004, 0x00000008,
@@ -89,20 +90,6 @@ const unsigned short ccitt_16Table[] = {
 #define ByteCRC16(v, crc) \
        (unsigned short)((crc << 8) ^  ccitt_16Table[((crc >> 8) ^ (v)) & 255])
 
-unsigned char BitReverse(unsigned char x)
-{
-       int i;
-       unsigned char Temp=0;
-       for(i=0; ; i++)
-       {
-               if(x & 0x80)    Temp |= 0x80;
-               if(i==7)                break;
-               x       <<= 1;
-               Temp >>= 1;
-       }
-       return Temp;
-}
-
 //
 // BBP register initialization set
 //
@@ -2648,13 +2635,13 @@ NDIS_STATUS NICLoadFirmware(
 
                                /* calculate firmware CRC */
                                for(i=0; i<(MAX_FIRMWARE_IMAGE_SIZE-2); i++, ptr++)
-                                       crc = ByteCRC16(BitReverse(*ptr), crc);
+                                       crc = ByteCRC16(bitrev8(*ptr), crc);
                                /* End of for */
 
                                if ((pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-2] != \
-                                                               (UCHAR)BitReverse((UCHAR)(crc>>8))) ||
+                                                               (UCHAR)bitrev8((UCHAR)(crc>>8))) ||
                                        (pFirmwareImage[MAX_FIRMWARE_IMAGE_SIZE-1] != \
-                                                               (UCHAR)BitReverse((UCHAR)crc)))
+                                                               (UCHAR)bitrev8((UCHAR)crc)))
                                {
                                        /* CRC fail */
                                        printk("%s: CRC = 0x%02x 0x%02x "