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| author | Shaunak Saha <shaunak.saha@intel.com> | 2016-08-22 22:05:35 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2016-08-25 23:43:58 +0200 |
| commit | de9fed4c2a6014b25042899e199cfe9a6115b52e (patch) | |
| tree | 064c53fc88eeba35b58c7405492b6391ab477aaa /src/soc | |
| parent | d6bb5495f94a6675b30e21d80c1c09559b2309ab (diff) | |
| download | coreboot-de9fed4c2a6014b25042899e199cfe9a6115b52e.tar.xz | |
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 <shaunak.saha@intel.com>
Reviewed-on: https://review.coreboot.org/16299
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/common/smihandler.c | 4 |
1 files changed, 3 insertions, 1 deletions
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 */ |