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WAN: TX-done handler now uses the ownership bit in HD64572 drivers.

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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa 2008-07-09 19:47:05 +02:00
parent abc9d91a35
commit 09fd65aa8a
1 changed files with 3 additions and 8 deletions
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11
drivers/net/wan/hd64572.c
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@ -338,7 +338,6 @@ static inline int sca_rx_done(port_t *port, int budget)
static inline void sca_tx_done(port_t *port)
{
struct net_device *dev = port_to_dev(port);
u16 dmac = get_dmac_tx(port);
card_t* card = port_to_card(port);
u8 stat;
@ -351,14 +350,10 @@ static inline void sca_tx_done(port_t *port)
DSR_TX(phy_node(port)), card);
while (1) {
pkt_desc __iomem *desc;
pkt_desc __iomem *desc = desc_address(port, port->txlast, 1);
u32 desc_off = desc_offset(port, port->txlast, 1);
u32 cda = sca_inl(dmac + CDAL, card);
if ((cda >= desc_off) && (cda < desc_off + sizeof(pkt_desc)))
break; /* Transmitter is/will_be sending this frame */
desc = desc_address(port, port->txlast, 1);
if (!(readb(&desc->stat) & ST_TX_OWNRSHP))
break; /* not yet transmitted */
dev->stats.tx_packets++;
dev->stats.tx_bytes += readw(&desc->len);
writeb(0, &desc->stat); /* Free descriptor */