Re: [PATCH 05/11] tlan: Restart autonegotiation on link loss

From: Sergei Shtylyov
Date: Sat Jun 21 2014 - 13:06:30 EST


Hello.

On 06/21/2014 06:47 PM, Ondrej Zary wrote:

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@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/ti/tlan.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index 31d4a96..47eb30e 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
[...]
@@ -2788,6 +2789,20 @@ 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;

Please insert empty line here, after declaration.

+ 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;
+ }
}
}

WBR, Sergei

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