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WAN: HD64572 drivers don't use next_desc() anymore.

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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa 2008-07-09 23:39:12 +02:00
parent 61e0a6a268
commit 0b59cef885
1 changed files with 3 additions and 10 deletions
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13
drivers/net/wan/hd64572.c
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@ -78,13 +78,6 @@ static inline void disable_intr(port_t *port)
(port->chan ? 0x00FF00FF : 0xFF00FF00), IER0, port->card);
}
static inline u16 next_desc(port_t *port, u16 desc, int transmit)
{
return (desc + 1) % (transmit ? port->card->tx_ring_buffers
: port->card->rx_ring_buffers);
}
static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit)
{
u16 rx_buffs = port->card->rx_ring_buffers;
@ -291,7 +284,7 @@ static inline int sca_rx_done(port_t *port, int budget)
/* Set new error descriptor address */
sca_outl(desc_off, dmac + EDAL, card);
port->rxin = next_desc(port, port->rxin, 0);
port->rxin = (port->rxin + 1) % card->rx_ring_buffers;
}
/* make sure RX DMA is enabled */
@ -329,7 +322,7 @@ static inline void sca_tx_done(port_t *port)
dev->stats.tx_bytes += readw(&desc->len);
}
writeb(0, &desc->stat); /* Free descriptor */
port->txlast = next_desc(port, port->txlast, 1);
port->txlast = (port->txlast + 1) % card->tx_ring_buffers;
}
netif_wake_queue(dev);
@ -599,7 +592,7 @@ static int sca_xmit(struct sk_buff *skb, struct net_device *dev)
writeb(ST_TX_EOM, &desc->stat);
dev->trans_start = jiffies;
port->txin = next_desc(port, port->txin, 1);
port->txin = (port->txin + 1) % card->tx_ring_buffers;
sca_outl(desc_offset(port, port->txin, 1),
get_dmac_tx(port) + EDAL, card);