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net: use bitrev8

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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>
This commit is contained in:
Akinobu Mita
2006-12-19 13:09:08 -08:00
committed by Jeff Garzik
parent 079ca7da1e
commit bc63eb9c7e
9 changed files with 27 additions and 155 deletions
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18
drivers/net/macmace.c
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@ -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) {