diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/w83627hf_wdt.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c index b1da0c18fd1a..7165704a3e33 100644 --- a/drivers/watchdog/w83627hf_wdt.c +++ b/drivers/watchdog/w83627hf_wdt.c @@ -64,6 +64,10 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); +static int early_disable; +module_param(early_disable, int, 0); +MODULE_PARM_DESC(early_disable, "Disable watchdog at boot time (default=0)"); + /* * Kernel methods. */ @@ -208,9 +212,14 @@ static int w83627hf_init(struct watchdog_device *wdog, enum chips chip) t = superio_inb(cr_wdt_timeout); if (t != 0) { - pr_info("Watchdog already running. Resetting timeout to %d sec\n", - wdog->timeout); - superio_outb(cr_wdt_timeout, wdog->timeout); + if (early_disable) { + pr_warn("Stopping previously enabled watchdog until userland kicks in\n"); + superio_outb(cr_wdt_timeout, 0); + } else { + pr_info("Watchdog already running. Resetting timeout to %d sec\n", + wdog->timeout); + superio_outb(cr_wdt_timeout, wdog->timeout); + } } /* set second mode & disable keyboard turning off watchdog */ |