diff options
| author | hcg <hcg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-06-04 17:46:46 +0000 |
|---|---|---|
| committer | hcg <hcg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-06-04 17:46:46 +0000 |
| commit | 00e5005064eda277a53357efedd85bc7d57675ed (patch) | |
| tree | 5b425efb15a3c8a7af625d0ca776c252f5bc8fe6 | |
| parent | 3b9260da791f75cbb19111ae2bca464ac48c22b9 (diff) | |
Fixed at91 ethernet driver for dm9161a PHY interrupt issue
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7493 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/at91-2.6/patches/010-dm9161a-phyfix.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/at91-2.6/patches/010-dm9161a-phyfix.patch b/target/linux/at91-2.6/patches/010-dm9161a-phyfix.patch new file mode 100644 index 000000000..9ad8c4253 --- /dev/null +++ b/target/linux/at91-2.6/patches/010-dm9161a-phyfix.patch @@ -0,0 +1,28 @@ +--- linux-2.6.21.1/drivers/net/arm/at91_ether.c.old 2007-06-04 18:15:49.000000000 +0200 ++++ linux-2.6.21.1/drivers/net/arm/at91_ether.c 2007-06-04 18:10:36.000000000 +0200 +@@ -146,6 +146,7 @@ + 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 @@ + 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; |