[PATCH 4.9 47/72] ixgbe: do not disable FEC from the driver

From: Greg Kroah-Hartman
Date: Sun Nov 19 2017 - 09:41:13 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Emil Tantilov <emil.s.tantilov@xxxxxxxxx>


[ Upstream commit 1fe954b2097bb907b4578e6a74e4c1d23785a601 ]

FEC is configured by the NVM and the driver should not be
overriding it.

Signed-off-by: Emil Tantilov <emil.s.tantilov@xxxxxxxxx>
Tested-by: Krishneil Singh <krishneil.k.singh@xxxxxxxxx>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 2 --
1 file changed, 2 deletions(-)

--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -1932,8 +1932,6 @@ static s32 ixgbe_setup_kr_speed_x550em(s
return status;

reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
- reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_FEC_REQ |
- IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC);
reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR |
IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX);