diff options
| author | Krzysztof Hałasa <khc@pm.waw.pl> | 2008-07-09 23:39:12 +0200 |
|---|---|---|
| committer | Krzysztof Hałasa <khc@pm.waw.pl> | 2008-11-22 02:49:48 +0100 |
| commit | 0b59cef885f7d451acad02f70c9712f1ef3638b1 (patch) | |
| tree | 78a740b3b1b62efd0310e00e44ef0d8338c36336 /drivers/net/wan | |
| parent | WAN: Simplify HD64572 drivers. (diff) | |
| download | linux-0b59cef885f7d451acad02f70c9712f1ef3638b1.tar.xz linux-0b59cef885f7d451acad02f70c9712f1ef3638b1.zip | |
WAN: HD64572 drivers don't use next_desc() anymore.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Diffstat (limited to 'drivers/net/wan')
| -rw-r--r-- | drivers/net/wan/hd64572.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/net/wan/hd64572.c b/drivers/net/wan/hd64572.c index c7eff0a66a8e..6a6fe6a7c44b 100644 --- a/drivers/net/wan/hd64572.c +++ b/drivers/net/wan/hd64572.c @@ -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); |