From 5822e4d31dcdf6b35fdd37991adff8e20de16c6e Mon Sep 17 00:00:00 2001 From: Aaron Ma Date: Tue, 24 Mar 2020 03:16:39 +0800 Subject: [PATCH] e1000e: bump up timeout to wait when ME un-configure ULP mode ME takes 2+ seconds to un-configure ULP mode done after resume from s2idle on some ThinkPad laptops. Without enough wait, reset and re-init will fail with error. Fixes: f15bb6dde738cc8fa0 ("e1000e: Add support for S0ix") BugLink: https://bugs.launchpad.net/bugs/1865570 Signed-off-by: Aaron Ma --- drivers/net/ethernet/intel/e1000e/ich8lan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 735bf25952fc..15f6c0a4dc63 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1243,9 +1243,9 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) ew32(H2ME, mac_reg); } - /* Poll up to 300msec for ME to clear ULP_CFG_DONE. */ + /* Poll up to 2.5sec for ME to clear ULP_CFG_DONE. */ while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) { - if (i++ == 30) { + if (i++ == 250) { ret_val = -E1000_ERR_PHY; goto out; } -- 2.26.2