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| author | Dino Li <Dino.Li@ite.com.tw> | 2020-03-23 13:38:12 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-03-24 15:57:03 +0000 |
| commit | ced7886d72de35f761d4e4e731aaae9efba98b90 (patch) | |
| tree | e5adc05d031201b1f2a482969943914ccf61fdf8 /chip/it83xx/clock.c | |
| parent | 5b7ba935f2d192c524be8ec6932e25ee9668d0d6 (diff) | |
| download | chrome-ec-ced7886d72de35f761d4e4e731aaae9efba98b90.tar.gz | |
it8xxx2: wake up CPU if an interrupt is pending in idle task
BUG=b:142029177
BRANCH=none
TEST=In idle task, EC does not get stuck.
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Change-Id: I9f3c0e3b58e68d60b1218338603a5f2a4bc5eb5d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2100055
Reviewed-by: Jett Rink <jettrink@chromium.org>
Diffstat (limited to 'chip/it83xx/clock.c')
| -rw-r--r-- | chip/it83xx/clock.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/chip/it83xx/clock.c b/chip/it83xx/clock.c index 7684c48457..b0f3b09d01 100644 --- a/chip/it83xx/clock.c +++ b/chip/it83xx/clock.c @@ -459,11 +459,13 @@ void clock_cpu_standby(void) if (IS_ENABLED(CHIP_CORE_NDS32)) { asm("standby wake_grant"); } else if (IS_ENABLED(CHIP_CORE_RISCV)) { - /* - * TODO(b:142029177): we have to enable interrupts before - * standby instruction on IT8xxx2 series. - */ - interrupt_enable(); + if (!IS_ENABLED(IT83XX_RISCV_WAKEUP_CPU_WITHOUT_INT_ENABLED)) + /* + * we have to enable interrupts before + * standby instruction on IT83202 bx version. + */ + interrupt_enable(); + asm("wfi"); } } |