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authorMalli Chilakala <mallikarjuna.chilakala@intel.com>2005-06-17 17:27:41 -0700
committerJeff Garzik <jgarzik@pobox.com>2005-06-27 00:30:23 -0400
commit648951451e6d2d532d4ace2f8e9c5cdf1d563e83 (patch)
treebd2ee79a0d726e59af30c3d059623e81ad1b1738
parent9758d0f028b4c73a5222168a5ffc340606ecbea1 (diff)
downloadop-kernel-dev-648951451e6d2d532d4ace2f8e9c5cdf1d563e83.zip
op-kernel-dev-648951451e6d2d532d4ace2f8e9c5cdf1d563e83.tar.gz
[PATCH] e100: fixed e100 MDI/MDI-X issues
Added patch from Eran Mann to fix following e100 MDI/MDI-X issues * MDI/MDI-X autodetection should never be enabled for 82551ER/QM chips * enabling this feature based on eeprom settings Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com>
-rw-r--r--drivers/net/e100.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index cfaa6b2b..7e46d03 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1093,11 +1093,16 @@ static int e100_phy_init(struct nic *nic)
}
if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
- (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
- (nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled)))
- /* enable/disable MDI/MDI-X auto-switching */
- mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
- nic->mii.force_media ? 0 : NCONFIG_AUTO_SWITCH);
+ (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000))) {
+ /* enable/disable MDI/MDI-X auto-switching.
+ MDI/MDI-X auto-switching is disabled for 82551ER/QM chips */
+ if((nic->mac == mac_82551_E) || (nic->mac == mac_82551_F) ||
+ (nic->mac == mac_82551_10) || (nic->mii.force_media) ||
+ !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))
+ mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, 0);
+ else
+ mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, NCONFIG_AUTO_SWITCH);
+ }
return 0;
}
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