net: use bitrev8

Use bitrev8 for bmac, mace, macmace, macsonic, and skfp drivers.

[akpm@osdl.org: use the API, not the array]
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mirko Lindner <mlindner@syskonnect.de>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 3 insertions, 15 deletions

diff --git a/drivers/net/macmace.c b/drivers/net/macmace.c
index 464e4a6f3d5f..5d541e873041 100644
--- a/drivers/net/macmace.c
+++ b/drivers/net/macmace.c
@@ -22,6 +22,7 @@
 #include <linux/delay.h>
 #include <linux/string.h>
 #include <linux/crc32.h>
+#include <linux/bitrev.h>
 #include <asm/io.h>
 #include <asm/pgtable.h>
 #include <asm/irq.h>
@@ -81,19 +82,6 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id);
 static irqreturn_t mace_dma_intr(int irq, void *dev_id);
 static void mace_tx_timeout(struct net_device *dev);
 
-/* Bit-reverse one byte of an ethernet hardware address. */
-
-static int bitrev(int b)
-{
-        int d = 0, i;
-
-        for (i = 0; i < 8; ++i, b >>= 1) {
-                d = (d << 1) | (b & 1);
-        }
-
-        return d;
-}
-
 /*
  * Load a receive DMA channel with a base address and ring length
  */
@@ -219,12 +207,12 @@ struct net_device *mace_probe(int unit)
         addr = (void *)MACE_PROM;
 
         for (j = 0; j < 6; ++j) {
-                u8 v=bitrev(addr[j<<4]);
+                u8 v = bitrev8(addr[j<<4]);
                 checksum ^= v;
                 dev->dev_addr[j] = v;
         }
         for (; j < 8; ++j) {
-                checksum ^= bitrev(addr[j<<4]);
+                checksum ^= bitrev8(addr[j<<4]);
         }
 
         if (checksum != 0xFF) {