From: Don Skidmore Date: Tue, 24 Nov 2009 18:51:48 +0000 (+0000) Subject: ixgbe: LINKS2 is not a valid register for 82598 X-Git-Tag: MMI-PSA29.97-13-9~25754^2~160 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=000c486ddae850106a29e45a5d660dff49ad566a;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git ixgbe: LINKS2 is not a valid register for 82598 82598 shouldn't try and access LINKS2 while configuring link and flow control. This is an 82599-only register. Signed-off-by: Don Skidmore Signed-off-by: Peter P Waskiewicz Jr Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c index f42a954ef660..79533e2720f9 100644 --- a/drivers/net/ixgbe/ixgbe_common.c +++ b/drivers/net/ixgbe/ixgbe_common.c @@ -1755,17 +1755,24 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw) /* * On backplane, bail out if * - backplane autoneg was not completed, or if - * - link partner is not AN enabled + * - we are 82599 and link partner is not AN enabled */ if (hw->phy.media_type == ixgbe_media_type_backplane) { links = IXGBE_READ_REG(hw, IXGBE_LINKS); - links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2); - if (((links & IXGBE_LINKS_KX_AN_COMP) == 0) || - ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0)) { + if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) { hw->fc.fc_was_autonegged = false; hw->fc.current_mode = hw->fc.requested_mode; goto out; } + + if (hw->mac.type == ixgbe_mac_82599EB) { + links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2); + if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) { + hw->fc.fc_was_autonegged = false; + hw->fc.current_mode = hw->fc.requested_mode; + goto out; + } + } } /*