diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2014-06-30 20:38:31 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-08 04:06:51 +0400 |
| commit | 36bbe2f4b4c81a2857d9c8f0443a86f42911336b (patch) | |
| tree | f588833343085fd48b1625cd0b895c36bf79da56 /drivers/net/ethernet/ti/tlan.c | |
| parent | 59be4ad6bb01fa80b6ad2cf15163ccb617f7d603 (diff) | |
| download | linux-36bbe2f4b4c81a2857d9c8f0443a86f42911336b.tar.xz | |
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: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ti/tlan.c')
| -rw-r--r-- | drivers/net/ethernet/ti/tlan.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c index cacc76da91a2..3b8364568a6a 100644 --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -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; + } } } |