Messages in this thread Patch in this message | | | From | Ondrej Zary <> | Subject | [PATCH 5/9] tlan: Restart autonegotiation on link loss | Date | Tue, 27 May 2014 23:38:43 +0200 |
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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> --- drivers/net/ethernet/ti/tlan.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c index 31d4a96..1047b3f 100644 --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -2721,6 +2721,7 @@ 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)) { @@ -2788,6 +2789,19 @@ 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; + } } } -- Ondrej Zary
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