Commit 09fd65aa authored by Krzysztof Hałasa's avatar Krzysztof Hałasa
Browse files

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



Signed-off-by: default avatarKrzysztof Hałasa <khc@pm.waw.pl>
parent abc9d91a

drivers/net/wan/hd64572.c

+3 −8
Original line number Diff line number Diff line
@@ -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 */