diff options
| author | Randall Spangler <rspangler@chromium.org> | 2012-10-30 12:16:54 -0700 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2012-10-30 15:33:24 -0700 |
| commit | 8b3a242ff0b8398b37378c67fe2c63beec1fa827 (patch) | |
| tree | bb647b1ae48da03ccdb8efb290add7575145f691 /include/watchdog.h | |
| parent | a21ea56e76ff71849d45f59608c0beb7bede4c02 (diff) | |
| download | chrome-ec-8b3a242ff0b8398b37378c67fe2c63beec1fa827.tar.gz | |
Watchdog is reloaded by HOOK_TICK, not its own task
This reduces memory footprint.
BUG=chrome-os-partner:15714
BRANCH=none
TEST=system still boots; 'waitms 1500' prints watchdog error dump
Change-Id: Ieb0248a34655514b03d919cc36c2b369691da716
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/36937
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/watchdog.h')
| -rw-r--r-- | include/watchdog.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/include/watchdog.h b/include/watchdog.h index 46f3b996d7..ca88094e6a 100644 --- a/include/watchdog.h +++ b/include/watchdog.h @@ -8,16 +8,15 @@ #ifndef __CROS_EC_WATCHDOG_H #define __CROS_EC_WATCHDOG_H -#define WATCHDOG_PERIOD_MS 1100 /* Watchdog period in ms */ +/* Watchdog period in ms; must be at least twice HOOK_TICK_INTERVAL */ +#define WATCHDOG_PERIOD_MS 1100 -/* - * Interval in ms between reloads of the watchdog timer. Should be less - * than half of the watchdog period. +/** + * Initialize the watchdog. + * + * This will cause the CPU to reboot if it has been more than 2 watchdog + * periods since watchdog_reload() has been called. */ -#define WATCHDOG_RELOAD_MS 500 - -/* Initialize the watchdog. This will cause the CPU to reboot if it has been - * more than 2 watchdog periods since watchdog_reload() has been called. */ int watchdog_init(void); /** |