From: Chris Boot <[email protected]> commit id d4a4206ebbaf48b55803a7eb34e330530d83a889 Applicable to 3.2+ kernels
ASPM on the 82574 causes trouble. Currently the driver disables L0s for this NIC but only disables L1 if the MTU is >1500. This patch simply causes L1 to be disabled regardless of the MTU setting. Signed-off-by: Chris Boot <[email protected]> Cc: "Wyborny, Carolyn" <[email protected]> Cc: Nix <[email protected]> Link: https://lkml.org/lkml/2012/3/19/362 Tested-by: Jeff Pieper <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]> --- drivers/net/ethernet/intel/e1000e/82571.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 98632f4..6a8a908 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -2072,8 +2072,9 @@ const struct e1000_info e1000_82574_info = { | FLAG_HAS_SMART_POWER_DOWN | FLAG_HAS_AMT | FLAG_HAS_CTRLEXT_ON_LOAD, - .flags2 = FLAG2_CHECK_PHY_HANG + .flags2 = FLAG2_CHECK_PHY_HANG | FLAG2_DISABLE_ASPM_L0S + | FLAG2_DISABLE_ASPM_L1 | FLAG2_NO_DISABLE_RX | FLAG2_DMA_BURST, .pba = 32, -- 1.7.10.2 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
