Openwrt/target/linux/generic/patches-3.14/072-net-phy-Check-for-aneg-completion-before-setting-sta.patch
Felix Fietkau a96afecf5c kernel: backport a few PHY layer fixes from upstream
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43776
2014-12-26 12:36:30 +00:00

36 lines
1.0 KiB
Diff

From: Balakumaran Kannan <kumaran.4353@gmail.com>
Date: Thu, 24 Apr 2014 08:22:47 +0530
Subject: [PATCH] net phy: Check for aneg completion before setting state to
PHY_RUNNING
phy_state_machine should check whether auto-negotiatin is completed
before changing phydev->state from PHY_NOLINK to PHY_RUNNING. If
auto-negotiation is not completed phydev->state should be set to
PHY_AN.
Signed-off-by: Balakumaran Kannan <kumaran.4353@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -744,6 +744,17 @@ void phy_state_machine(struct work_struc
break;
if (phydev->link) {
+ if (AUTONEG_ENABLE == phydev->autoneg) {
+ err = phy_aneg_done(phydev);
+ if (err < 0)
+ break;
+
+ if (!err) {
+ phydev->state = PHY_AN;
+ phydev->link_timeout = PHY_AN_TIMEOUT;
+ break;
+ }
+ }
phydev->state = PHY_RUNNING;
netif_carrier_on(phydev->attached_dev);
phydev->adjust_link(phydev->attached_dev);