diff options
Diffstat (limited to 'drivers/watchdog/hpwdt.c')
-rw-r--r-- | drivers/watchdog/hpwdt.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 00299919df39..554526cf3233 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -450,6 +450,11 @@ static int hpwdt_change_timer(int new_margin) return 0; } +static int hpwdt_time_left(void) +{ + return TICKS_TO_SECS(ioread16(hpwdt_timer_reg)); +} + /* * NMI Handler */ @@ -591,6 +596,10 @@ static long hpwdt_ioctl(struct file *file, unsigned int cmd, case WDIOC_GETTIMEOUT: ret = put_user(soft_margin, p); break; + + case WDIOC_GETTIMELEFT: + ret = put_user(hpwdt_time_left(), p); + break; } return ret; } |