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path: root/drivers/watchdog/hpwdt.c
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-rw-r--r--drivers/watchdog/hpwdt.c9
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)
450 return 0; 450 return 0;
451} 451}
452 452
453static int hpwdt_time_left(void)
454{
455 return TICKS_TO_SECS(ioread16(hpwdt_timer_reg));
456}
457
453/* 458/*
454 * NMI Handler 459 * NMI Handler
455 */ 460 */
@@ -591,6 +596,10 @@ static long hpwdt_ioctl(struct file *file, unsigned int cmd,
591 case WDIOC_GETTIMEOUT: 596 case WDIOC_GETTIMEOUT:
592 ret = put_user(soft_margin, p); 597 ret = put_user(soft_margin, p);
593 break; 598 break;
599
600 case WDIOC_GETTIMELEFT:
601 ret = put_user(hpwdt_time_left(), p);
602 break;
594 } 603 }
595 return ret; 604 return ret;
596} 605}