Thread (15 messages) 15 messages, 3 authors, 2014-05-28

Re: [PATCH 5/9] tlan: Restart autonegotiation on link loss

From: Sergei Shtylyov <hidden>
Date: 2014-05-28 14:08:11
Also in: lkml

Hello.

On 05/28/2014 01:38 AM, 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 |   14 ++++++++++++++
  1 file changed, 14 insertions(+)
quoted hunk ↗ jump to hunk
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
[...]
quoted hunk ↗ jump to hunk
@@ -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;
    Please, leave | on the previosu line.
+				tlan_mii_sync(dev->base_addr);
+				tlan_mii_write_reg(dev, priv->phy[0],
+					MII_GEN_CTL, data);
    Please start this line right under 'dev' on the previous one.
+				/* set to external PHY */
+				priv->phy_num = 1;
+				/* restart autonegotiation */
+				tlan_set_timer(dev, (4*HZ/10), TLAN_TIMER_PHY_PDOWN);
    Spaces around * and / wouldn't hurt for consistency.
+				return;
+			}
  		}
  	}
WBR, Sergei
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