Commit 940ff7ed authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

r6040: define and use MTPR transmit enable bit 



Define MTPR bit 0 of the register and use it where it is appropriate.

Signed-off-by: default avatarFlorian Fainelli <florian@openwrt.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8dd87a26

drivers/net/ethernet/rdc/r6040.c

+3 −2
Original line number Diff line number Diff line
@@ -74,6 +74,7 @@ 
#define MT_ICR		0x0C	/* TX interrupt control */

#define MR_ICR		0x10	/* RX interrupt control */

#define MTPR		0x14	/* TX poll command register */

#define  TM2TX		0x0001	/* Trigger MAC to transmit */

#define MR_BSR		0x18	/* RX buffer size */

#define MR_DCR		0x1A	/* RX descriptor control */

#define MLSR		0x1C	/* Last status */
@@ -420,7 +421,7 @@ static void r6040_init_mac_regs(struct net_device *dev) 
	/* Let TX poll the descriptors

	 * we may got called by r6040_tx_timeout which has left

	 * some unsent tx buffers */

	iowrite16(0x01, ioaddr + MTPR);

	iowrite16(TM2TX, ioaddr + MTPR);

}



static void r6040_tx_timeout(struct net_device *dev)
@@ -844,7 +845,7 @@ static netdev_tx_t r6040_start_xmit(struct sk_buff *skb, 
	skb_tx_timestamp(skb);



	/* Trigger the MAC to check the TX descriptor */

	iowrite16(0x01, ioaddr + MTPR);

	iowrite16(TM2TX, ioaddr + MTPR);

	lp->tx_insert_ptr = descptr->vndescp;



	/* If no tx resource, stop */

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