From 09fd65aa8ac934ea4ce7e55945a687292731e9c9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= Date: Wed, 9 Jul 2008 19:47:05 +0200 Subject: [PATCH] WAN: TX-done handler now uses the ownership bit in HD64572 drivers. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Krzysztof Hałasa --- drivers/net/wan/hd64572.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/net/wan/hd64572.c b/drivers/net/wan/hd64572.c index 22adec06d93a..e332fe906aba 100644 --- a/drivers/net/wan/hd64572.c +++ b/drivers/net/wan/hd64572.c @@ -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; - - 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 */ + pkt_desc __iomem *desc = desc_address(port, port->txlast, 1); - 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 */ -- GitLab