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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-24 20:09:55 +02:00
openwrt-xburst/target/linux/at91/patches-2.6.25/010-dm9161a-phyfix.patch
juhosg 94b5af79b4 [kernel] update to 2.6.25.19, and refresh patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13137 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-11-07 08:44:56 +00:00

29 lines
1.1 KiB
Diff

--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -146,6 +146,7 @@ static void update_linkspeed(struct net_
struct at91_private *lp = netdev_priv(dev);
unsigned int bmsr, bmcr, lpa, mac_cfg;
unsigned int speed, duplex;
+ unsigned long timeout = jiffies + HZ;
if (!mii_link_ok(&lp->mii)) { /* no link */
netif_carrier_off(dev);
@@ -158,8 +159,15 @@ static void update_linkspeed(struct net_
read_phy(lp->phy_address, MII_BMSR, &bmsr);
read_phy(lp->phy_address, MII_BMCR, &bmcr);
if (bmcr & BMCR_ANENABLE) { /* AutoNegotiation is enabled */
- if (!(bmsr & BMSR_ANEGCOMPLETE))
- return; /* Do nothing - another interrupt generated when negotiation complete */
+ while (!(bmsr & BMSR_ANEGCOMPLETE)) {
+ if (time_after(jiffies, timeout)) {
+ printk("at91_ether: Auto-negotiate timeout\n");
+ return;
+ }
+ read_phy(lp->phy_address, MII_BMSR, &bmsr);
+ read_phy(lp->phy_address, MII_BMCR, &bmcr);
+ cpu_relax();
+ }
read_phy(lp->phy_address, MII_LPA, &lpa);
if ((lpa & LPA_100FULL) || (lpa & LPA_100HALF)) speed = SPEED_100;