diff options
| author | Don Skidmore <donald.c.skidmore@intel.com> | 2009-11-24 18:51:48 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-29 00:33:59 -0800 |
| commit | 000c486ddae850106a29e45a5d660dff49ad566a (patch) | |
| tree | a3066d8a273eaea80f9f519dd37c6d38121cb7b4 | |
| parent | 9bbe3a570b4984ff2e90014074ba3a06a05384a0 (diff) | |
| download | linux-3.10-000c486ddae850106a29e45a5d660dff49ad566a.tar.gz linux-3.10-000c486ddae850106a29e45a5d660dff49ad566a.tar.bz2 linux-3.10-000c486ddae850106a29e45a5d660dff49ad566a.zip | |
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 <donald.c.skidmore@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_common.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c index f42a954ef66..79533e2720f 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; + } + } } /* |