[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>
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@ -1093,11 +1093,16 @@ static int e100_phy_init(struct nic *nic)
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}
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if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
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(mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
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(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled)))
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/* enable/disable MDI/MDI-X auto-switching */
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mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
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nic->mii.force_media ? 0 : NCONFIG_AUTO_SWITCH);
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(mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000))) {
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/* enable/disable MDI/MDI-X auto-switching.
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MDI/MDI-X auto-switching is disabled for 82551ER/QM chips */
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if((nic->mac == mac_82551_E) || (nic->mac == mac_82551_F) ||
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(nic->mac == mac_82551_10) || (nic->mii.force_media) ||
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!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))
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mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, 0);
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else
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mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, NCONFIG_AUTO_SWITCH);
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}
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return 0;
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}
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