diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2006-12-20 00:09:08 +0300 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-06 00:58:47 +0300 |
| commit | bc63eb9c7ec0eb7b091db2d82d46d1e68ff9e231 (patch) | |
| tree | dfcbc44d49a516eb2c95ac2f724fbee52427d0fd /drivers/net/macmace.c | |
| parent | 079ca7da1e6d05c7cb82e9c4f2e1d98839332664 (diff) | |
| download | linux-bc63eb9c7ec0eb7b091db2d82d46d1e68ff9e231.tar.xz | |
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>
Diffstat (limited to 'drivers/net/macmace.c')
| -rw-r--r-- | drivers/net/macmace.c | 18 |
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) { |