diff options
Diffstat (limited to 'drivers/watchdog/softdog.c')
| -rw-r--r-- | drivers/watchdog/softdog.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c index c7bdc986dca1..7983029852ab 100644 --- a/drivers/watchdog/softdog.c +++ b/drivers/watchdog/softdog.c @@ -87,11 +87,13 @@ static int softdog_ping(struct watchdog_device *w) if (!mod_timer(&softdog_ticktock, jiffies + (w->timeout * HZ))) __module_get(THIS_MODULE); - if (w->pretimeout) - mod_timer(&softdog_preticktock, jiffies + - (w->timeout - w->pretimeout) * HZ); - else - del_timer(&softdog_preticktock); + if (IS_ENABLED(CONFIG_SOFT_WATCHDOG_PRETIMEOUT)) { + if (w->pretimeout) + mod_timer(&softdog_preticktock, jiffies + + (w->timeout - w->pretimeout) * HZ); + else + del_timer(&softdog_preticktock); + } return 0; } @@ -101,15 +103,15 @@ static int softdog_stop(struct watchdog_device *w) if (del_timer(&softdog_ticktock)) module_put(THIS_MODULE); - del_timer(&softdog_preticktock); + if (IS_ENABLED(CONFIG_SOFT_WATCHDOG_PRETIMEOUT)) + del_timer(&softdog_preticktock); return 0; } static struct watchdog_info softdog_info = { .identity = "Software Watchdog", - .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE | - WDIOF_PRETIMEOUT, + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE, }; static const struct watchdog_ops softdog_ops = { @@ -134,6 +136,9 @@ static int __init softdog_init(void) watchdog_set_nowayout(&softdog_dev, nowayout); watchdog_stop_on_reboot(&softdog_dev); + if (IS_ENABLED(CONFIG_SOFT_WATCHDOG_PRETIMEOUT)) + softdog_info.options |= WDIOF_PRETIMEOUT; + ret = watchdog_register_device(&softdog_dev); if (ret) return ret; |