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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2006-12-19 13:09:08 -0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-05 16:58:47 -0500 |
| commit | bc63eb9c7ec0eb7b091db2d82d46d1e68ff9e231 (patch) | |
| tree | dfcbc44d49a516eb2c95ac2f724fbee52427d0fd /drivers/net/mace.c | |
| parent | 079ca7da1e6d05c7cb82e9c4f2e1d98839332664 (diff) | |
| download | lwn-bc63eb9c7ec0eb7b091db2d82d46d1e68ff9e231.tar.gz lwn-bc63eb9c7ec0eb7b091db2d82d46d1e68ff9e231.zip | |
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/mace.c')
| -rw-r--r-- | drivers/net/mace.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/net/mace.c b/drivers/net/mace.c index 2907cfb12ada..9ec24f0d5d68 100644 --- a/drivers/net/mace.c +++ b/drivers/net/mace.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/crc32.h> #include <linux/spinlock.h> +#include <linux/bitrev.h> #include <asm/prom.h> #include <asm/dbdma.h> #include <asm/io.h> @@ -74,7 +75,6 @@ struct mace_data { #define PRIV_BYTES (sizeof(struct mace_data) \ + (N_RX_RING + NCMDS_TX * N_TX_RING + 3) * sizeof(struct dbdma_cmd)) -static int bitrev(int); static int mace_open(struct net_device *dev); static int mace_close(struct net_device *dev); static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev); @@ -96,18 +96,6 @@ static void __mace_set_address(struct net_device *dev, void *addr); */ static unsigned char *dummy_buf; -/* Bit-reverse one byte of an ethernet hardware address. */ -static inline int -bitrev(int b) -{ - int d = 0, i; - - for (i = 0; i < 8; ++i, b >>= 1) - d = (d << 1) | (b & 1); - return d; -} - - static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_id *match) { struct device_node *mace = macio_get_of_node(mdev); @@ -173,7 +161,7 @@ static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_i rev = addr[0] == 0 && addr[1] == 0xA0; for (j = 0; j < 6; ++j) { - dev->dev_addr[j] = rev? bitrev(addr[j]): addr[j]; + dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j]; } mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) | in_8(&mp->mace->chipid_lo); |