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[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>
This commit is contained in:
Lennert Buytenhek 2006-01-08 01:01:12 -08:00 committed by Linus Torvalds
parent 3b68d70dff
commit 084f746a01
1 changed files with 31 additions and 3 deletions
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34
drivers/net/cs89x0.c
View File

@ -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);