diff options
| author | Dino Li <Dino.Li@ite.com.tw> | 2021-08-11 15:42:03 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-08-13 02:31:47 +0000 |
| commit | a388377c7699bcbca57bb495a0e55ea7543b394d (patch) | |
| tree | 1e4a19811752d76e4c0c79e02a776a642d0fd2de | |
| parent | de26838f8958b258d84ad2f2dbda790d6fdce1ce (diff) | |
| download | chrome-ec-a388377c7699bcbca57bb495a0e55ea7543b394d.tar.gz | |
zephyr: asurada: reload watchdog on each flash write
If AP sends write flash command continuously, EC might not have
chance to go back to hook task to touch watchdog. Reload watchdog
on each flash write to prevent the reset.
BRANCH=none
BUG=b:195954913
TEST=no watchdog reset during software sync.
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Change-Id: I27bf921f1162f6d91b97918162c938985933f432
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3088972
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
| -rw-r--r-- | zephyr/drivers/cros_flash/cros_flash_it8xxx2.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/zephyr/drivers/cros_flash/cros_flash_it8xxx2.c b/zephyr/drivers/cros_flash/cros_flash_it8xxx2.c index 3cacca13cc..f238b1557b 100644 --- a/zephyr/drivers/cros_flash/cros_flash_it8xxx2.c +++ b/zephyr/drivers/cros_flash/cros_flash_it8xxx2.c @@ -178,6 +178,14 @@ static int cros_flash_it8xxx2_write(const struct device *dev, int offset, return -EACCES; } + /* + * If AP sends write flash command continuously, EC might not have + * chance to go back to hook task to touch watchdog. Reload watchdog + * on each flash write to prevent the reset. + */ + if (IS_ENABLED(CONFIG_PLATFORM_EC_WATCHDOG)) + watchdog_reload(); + return flash_write(flash_controller, offset, src_data, size); } |