watchdog: asm9260_wdt: don't round closest with get_timeleft

We should never return more time left than there actually is. So, switch
to a plain divider instead of DIV_ROUND_CLOSEST.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wolfram Sang 2017-07-17 19:12:24 +02:00 committed by Wim Van Sebroeck
parent 03a196f25f
commit d94fa4655e

View File

@ -82,7 +82,7 @@ static unsigned int asm9260_wdt_gettimeleft(struct watchdog_device *wdd)
counter = ioread32(priv->iobase + HW_WDTV); counter = ioread32(priv->iobase + HW_WDTV);
return DIV_ROUND_CLOSEST(counter, priv->wdt_freq); return counter / priv->wdt_freq;
} }
static int asm9260_wdt_updatetimeout(struct watchdog_device *wdd) static int asm9260_wdt_updatetimeout(struct watchdog_device *wdd)