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| author | Nicolas Boichat <drinkcat@chromium.org> | 2019-02-27 08:27:27 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-02-27 04:59:04 -0800 |
| commit | edf3c100bb09c60b813170de322c74c32f68b0b5 (patch) | |
| tree | 53d160dfdedf2ab4bb09b0e20f715c7e71e7d0d1 /Makefile | |
| parent | 5a7600276d9f2a5eafb87a348f305e875f7e4382 (diff) | |
| download | chrome-ec-edf3c100bb09c60b813170de322c74c32f68b0b5.tar.gz | |
power/mt8183: Do not react to watchdog interrupt if PMIC is off
When the PMIC is shut down, the watchdog line will naturally fall
as well. From measurements, this takes about 70ms+, so the EC will
have enough time to do the power sequencing and mask watchdog
interrupts, unless something exceptional happens.
The exceptional case is easy to handle anyway, so let's do that.
BRANCH=none
BUG=b:124474520
TEST=With msleep(10) in power_handle_state and printout in the else
branch of chipset_watchdog_interrupt => AP poweroff does
not cause a watchdog reset.
TEST=stop daisydog; echo > /dev/watchdog => system resets after
a few seconds
Change-Id: I532b1968abb90bd9e96856020faf16080fe67af3
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1490793
Reviewed-by: Yilun Lin <yllin@chromium.org>
Diffstat (limited to 'Makefile')
0 files changed, 0 insertions, 0 deletions