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| author | Tommy Chung <tommy.chung@quanta.corp-partner.google.com> | 2023-04-21 15:03:33 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-04-24 02:13:11 +0000 |
| commit | 236a3419e6f0c9599c66ac0610d7914a70ada848 (patch) | |
| tree | 2831816de0699ebcec8fd67a9e39c84478ad46c8 | |
| parent | 3693fe33b5748bdc777457a4294a76d8ca0c69f9 (diff) | |
| download | chrome-ec-236a3419e6f0c9599c66ac0610d7914a70ada848.tar.gz | |
yavilla: Placate watchdog after receiving dp_attention
This follows CL:4388314 to fix watchdog reset when HPD issued in short
time by some peripheral display docks.
BUG=none
BRANCH=none
TEST=make sure system won't reset under condition described above.
Change-Id: Ief318cb7e9037d5b9c083af9cd2f794638aab247
Signed-off-by: Tommy Chung <tommy.chung@quanta.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4458711
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
Reviewed-by: Devin Lu <devin.lu@quantatw.com>
| -rw-r--r-- | zephyr/program/nissa/yavilla/src/usbc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/zephyr/program/nissa/yavilla/src/usbc.c b/zephyr/program/nissa/yavilla/src/usbc.c index 07d924e000..c9950ae73b 100644 --- a/zephyr/program/nissa/yavilla/src/usbc.c +++ b/zephyr/program/nissa/yavilla/src/usbc.c @@ -12,6 +12,7 @@ #include "hooks.h" #include "system.h" #include "usb_mux.h" +#include "watchdog.h" #include <zephyr/logging/log.h> @@ -316,6 +317,15 @@ void board_process_pd_alert(int port) */ if (!gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c1_int_odl))) schedule_deferred_pd_interrupt(port); + + /* + * b:273208597: There are some peripheral display docks will + * issue HPDs in the short time. TCPM must wake up pd_task + * continually to service the events. They may cause the + * watchdog to reset. This patch placates watchdog after + * receiving dp_attention. + */ + watchdog_reload(); } int pd_snk_is_vbus_provided(int port) |