diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2006-01-08 01:01:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:12:46 -0800 |
| commit | 084f746a01ca026920e388e76e913cc7a26d5a3f (patch) | |
| tree | 8eb430502c39b4398bb162e80b012cc659fc4eee /drivers/net/cs89x0.c | |
| parent | 3b68d70dffe255e7681d5725d96bc2b92a24bb9d (diff) | |
| download | linux-084f746a01ca026920e388e76e913cc7a26d5a3f.tar.bz2 | |
[PATCH] cs89x0: switch {in,out}sw to {read,write}words
Implement readwords/writewords that use readword/writeword, and switch the
rest of the driver over to use these.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: dmitry pervushin <dpervushin@ru.mvista.com>
Cc: <dsaxena@plexity.net>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/net/cs89x0.c')
| -rw-r--r-- | drivers/net/cs89x0.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index 7abc9f858f98..f7ec590e80ea 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -378,6 +378,34 @@ writeword(unsigned long base_addr, int portno, int value) #endif #endif +static void +readwords(unsigned long base_addr, int portno, void *buf, int length) +{ + u8 *buf8 = (u8 *)buf; + + do { + u32 tmp32; + + tmp32 = readword(base_addr, portno); + *buf8++ = (u8)tmp32; + *buf8++ = (u8)(tmp32 >> 8); + } while (--length); +} + +static void +writewords(unsigned long base_addr, int portno, void *buf, int length) +{ + u8 *buf8 = (u8 *)buf; + + do { + u32 tmp32; + + tmp32 = *buf8++; + tmp32 |= (*buf8++) << 8; + writeword(base_addr, portno, tmp32); + } while (--length); +} + static int readreg(struct net_device *dev, int regno) { @@ -1143,7 +1171,7 @@ send_test_pkt(struct net_device *dev) return 0; /* this shouldn't happen */ /* Write the contents of the packet */ - outsw(dev->base_addr + TX_FRAME_PORT,test_packet,(ETH_ZLEN+1) >>1); + writewords(dev->base_addr, TX_FRAME_PORT,test_packet,(ETH_ZLEN+1) >>1); if (net_debug > 1) printk("Sending test packet "); /* wait a couple of jiffies for packet to be received */ @@ -1500,7 +1528,7 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev) return 1; } /* Write the contents of the packet */ - outsw(dev->base_addr + TX_FRAME_PORT,skb->data,(skb->len+1) >>1); + writewords(dev->base_addr, TX_FRAME_PORT,skb->data,(skb->len+1) >>1); spin_unlock_irq(&lp->lock); lp->stats.tx_bytes += skb->len; dev->trans_start = jiffies; @@ -1654,7 +1682,7 @@ net_rx(struct net_device *dev) skb_reserve(skb, 2); /* longword align L3 header */ skb->dev = dev; - insw(ioaddr + RX_FRAME_PORT, skb_put(skb, length), length >> 1); + readwords(ioaddr, RX_FRAME_PORT, skb_put(skb, length), length >> 1); if (length & 1) skb->data[length-1] = readword(ioaddr, RX_FRAME_PORT); |