Commit aae67f36 authored by dann frazier's avatar dann frazier Committed by Wim Van Sebroeck
Browse files

watchdog: hpwdt (8/12): implement WDIOC_GETTIMELEFT 



Let applications check the amount of time left before the watchdog will fire.

Signed-off-by: default avatardann frazier <dannf@hp.com>
Acked-by: default avatarThomas Mingarelli <Thomas.Mingarelli@hp.com>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 6f681c2e

drivers/watchdog/hpwdt.c

+9 −0
Original line number Diff line number Diff line
@@ -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;

}