From de9fed4c2a6014b25042899e199cfe9a6115b52e Mon Sep 17 00:00:00 2001 From: Shaunak Saha Date: Mon, 22 Aug 2016 22:05:35 -0700 Subject: intel/common: Clear wake status bits before sleep Call power management utility function clear_wake_sts from southbridge_smi_sleep before going to sleep. This is needed to clear the wake status bits in ACPI registers GPE0. BUG=chrome-os-partner:55583 BRANCH=None TEST=Verified that system goes to sleep on lidclose and powerd_dbus_suspend command issued from built-in keyboard. Change-Id: I204a59f8a19137d6a192ea2d89939eefcd5d41ce Signed-off-by: Shaunak Saha Reviewed-on: https://review.coreboot.org/16299 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/common/smihandler.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/soc') diff --git a/src/soc/intel/common/smihandler.c b/src/soc/intel/common/smihandler.c index e27752b48d..95e7c7639a 100644 --- a/src/soc/intel/common/smihandler.c +++ b/src/soc/intel/common/smihandler.c @@ -176,7 +176,9 @@ void southbridge_smi_sleep(const struct smm_save_state_ops *save_state_ops) printk(BIOS_DEBUG, "SMI#: ERROR: SLP_TYP reserved\n"); break; } - /* Clear pending wake status bit to avoid immediate wake */ + + /* Clear the gpio gpe0 status bits in ACPI registers */ + clear_gpi_gpe_sts(); /* Tri-state specific GPIOS to avoid leakage during S3/S5 */ -- cgit v1.2.3