From: Carolyn Wyborny Date: Tue, 10 Sep 2013 18:57:16 +0000 (-0700) Subject: igb: Add additional get_phy_id call for i354 devices X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bb1d18d1ad6e216535b994d68097ae107f4f35fb;p=linux-beck.git igb: Add additional get_phy_id call for i354 devices 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 Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 79b58353d849..47c2d10df826 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