Message ID | 1378839437-10965-1-git-send-email-jeffrey.t.kirsher@intel.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Date: Tue, 10 Sep 2013 11:57:16 -0700 > From: Carolyn Wyborny <carolyn.wyborny@intel.com> > > This patch fixes a problem where some ports can fail to initialize on a > cold boot. This patch adds an additional call to read the PHY id for i354 > devices in order workaround the hardware problem. > > Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> > Tested-by: Aaron Brown <aaron.f.brown@intel.com> > Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 79b5835..47c2d10 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -719,6 +719,10 @@ static s32 igb_get_phy_id_82575(struct e1000_hw *hw) u32 ctrl_ext; u32 mdic; + /* Extra read required for some PHY's on i354 */ + if (hw->mac.type == e1000_i354) + igb_get_phy_id(hw); + /* For SGMII PHYs, we try the list of possible addresses until * we find one that works. For non-SGMII PHYs * (e.g. integrated copper PHYs), an address of 1 should