Thread (13 messages) 13 messages, 2 authors, 2014-06-21

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

From: Sergei Shtylyov <hidden>
Date: 2014-06-21 17:06:14
Also in: lkml

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 <redacted>
---
  drivers/net/ethernet/ti/tlan.c |   15 +++++++++++++++
  1 file changed, 15 insertions(+)
quoted hunk ↗ jump to hunk
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
[...]
quoted hunk ↗ jump to hunk
@@ -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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