diff options
Diffstat (limited to '0001-e1000e-bump-up-timeout-to-wait-when-ME-un-configure-.patch')
| -rw-r--r-- | 0001-e1000e-bump-up-timeout-to-wait-when-ME-un-configure-.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/0001-e1000e-bump-up-timeout-to-wait-when-ME-un-configure-.patch b/0001-e1000e-bump-up-timeout-to-wait-when-ME-un-configure-.patch new file mode 100644 index 000000000..8e740ce24 --- /dev/null +++ b/0001-e1000e-bump-up-timeout-to-wait-when-ME-un-configure-.patch @@ -0,0 +1,35 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Aaron Ma <aaron.ma@canonical.com> +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 <aaron.ma@canonical.com> +--- + 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 + |