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authorShawn Nematbakhsh <shawnn@chromium.org>2015-05-29 13:31:02 -0700
committerChromeOS Commit Bot <chromeos-commit-bot@chromium.org>2015-05-29 23:58:00 +0000
commit9fe1c5f2e79b63971fd41890501eb8cdc3f6410f (patch)
tree927be155134538f66a21a99518018ac00df663b7 /power
parent41533aab3acc068945bcaa1da28ffdaddc65b5ff (diff)
downloadchrome-ec-9fe1c5f2e79b63971fd41890501eb8cdc3f6410f.tar.gz
power: skylake: Wait for PCH_SLP_SUS_L deassertion when leaving G3
PCH_SLP_SUS_L can take up to 29ms to be deasserted after power-on or RTC reset. BUG=chrome-os-partner:40677 BRANCH=None TEST=Manual on glados. Power board, verify that state machine transitions to S0. Run "reboot" on EC console, verify that state machine again transitions to S0. Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Change-Id: I3f6e89eee1190a3fe84fdc7d939c05dfe5b94953 Reviewed-on: https://chromium-review.googlesource.com/274077 Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'power')
-rw-r--r--power/skylake.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/power/skylake.c b/power/skylake.c
index c7352e9633..bef664807d 100644
--- a/power/skylake.c
+++ b/power/skylake.c
@@ -145,7 +145,7 @@ enum power_state power_handle_state(enum power_state state)
break;
case POWER_G3S5:
- if (gpio_get_level(GPIO_PCH_SLP_SUS_L) == 0) {
+ if (power_wait_signals(IN_PCH_SLP_SUS_DEASSERTED)) {
chipset_force_shutdown();
return POWER_G3;
}