Commit 36bbe2f4 authored by Ondrej Zary's avatar Ondrej Zary Committed by David S. Miller
Browse files

tlan: Restart autonegotiation on link loss 



When link is lost on a card which uses internal PHY for 10 Mbit speeds,
restart autonegotiation to allow switching between 10 and 100 Mbps speeds.

Signed-off-by: default avatarOndrej Zary <linux@rainbow-software.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 59be4ad6

drivers/net/ethernet/ti/tlan.c

+16 −0
Original line number Diff line number Diff line
@@ -2720,6 +2720,7 @@ static void tlan_phy_finish_auto_neg(struct net_device *dev) 
	else if (!(mode & 0x0080) && (mode & 0x0040))

		priv->tlan_full_duplex = true;



	/* switch to internal PHY for 10 Mbps */

	if ((!(mode & 0x0180)) &&

	    (priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_10) &&

	    (priv->phy_num != 0)) {
@@ -2787,6 +2788,21 @@ static void tlan_phy_monitor(unsigned long data) 
			       dev->name);

			tlan_dio_write8(dev->base_addr, TLAN_LED_REG, 0);

			netif_carrier_off(dev);

			if (priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_10) {

				/* power down internal PHY */

				u16 data = MII_GC_PDOWN | MII_GC_LOOPBK |

					   MII_GC_ISOLATE;



				tlan_mii_sync(dev->base_addr);

				tlan_mii_write_reg(dev, priv->phy[0],

						   MII_GEN_CTL, data);

				/* set to external PHY */

				priv->phy_num = 1;

				/* restart autonegotiation */

				tlan_set_timer(dev, 4 * HZ / 10,

					       TLAN_TIMER_PHY_PDOWN);

				return;

			}

		}

	}

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