* [Intel-wired-lan] [PATCH] ixgbe: Configure advertised speeds correctly for KR/KX backplane
@ 2016-12-14 1:34 Donald C Skidmore
0 siblings, 0 replies; only message in thread
From: Donald C Skidmore @ 2016-12-14 1:34 UTC (permalink / raw)
To: intel-wired-lan
This patch ensures that the advertised link speeds are configured
for X553 KR/KX backplane. Without this patch the link remains at
1G when resuming form low power after being downshifted by LPLU.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 80be82d..6e0590a 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -2149,12 +2149,11 @@ static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw,
/**
* ixgbe_setup_kr_x550em - Configure the KR PHY
* @hw: pointer to hardware structure
- *
- * Configures the integrated KR PHY for X550EM_x.
**/
static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
{
- if (hw->mac.type != ixgbe_mac_X550EM_x)
+ /* leave linke alone for 2.5G */
+ if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
return 0;
return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
--
2.4.3
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2016-12-14 1:34 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-12-14 1:34 [Intel-wired-lan] [PATCH] ixgbe: Configure advertised speeds correctly for KR/KX backplane Donald C Skidmore
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.