[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 <[email protected]> Signed-off-by: Ganesh Venkatesan <[email protected]> Signed-off-by: John Ronciak <[email protected]>
torvalds · Jun 27, 2005 · 6489514 · 6489514
1 parent 9758d0f
commit 6489514
Showing 1 changed file with 10 additions and 5 deletions.
diff --git 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;
 }