summaryrefslogtreecommitdiffstats
path: root/drivers/watchdog/sp5100_tco.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog/sp5100_tco.c')
-rw-r--r--drivers/watchdog/sp5100_tco.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index ae54dd33e233..fb426b7d81da 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -65,6 +65,12 @@ static struct pci_dev *sp5100_tco_pci;
/* module parameters */
+#define WATCHDOG_ACTION 0
+static bool action = WATCHDOG_ACTION;
+module_param(action, bool, 0);
+MODULE_PARM_DESC(action, "Action taken when watchdog expires, 0 to reset, 1 to poweroff (default="
+ __MODULE_STRING(WATCHDOG_ACTION) ")");
+
#define WATCHDOG_HEARTBEAT 60 /* 60 sec default heartbeat. */
static int heartbeat = WATCHDOG_HEARTBEAT; /* in seconds */
module_param(heartbeat, int, 0);
@@ -297,8 +303,11 @@ static int sp5100_tco_timer_init(struct sp5100_tco *tco)
if (val & SP5100_WDT_FIRED)
wdd->bootstatus = WDIOF_CARDRESET;
- /* Set watchdog action to reset the system */
- val &= ~SP5100_WDT_ACTION_RESET;
+ /* Set watchdog action */
+ if (action)
+ val |= SP5100_WDT_ACTION_RESET;
+ else
+ val &= ~SP5100_WDT_ACTION_RESET;
writel(val, SP5100_WDT_CONTROL(tco->tcobase));
/* Set a reasonable heartbeat before we stop the timer */