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watchdog: booke_wdt: Use infrastructure to check timeout limits

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The watchdog infrastructure checks the maximum timeout for us.
Use it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Guenter Roeck 2015-07-29 09:45:36 -07:00 committed by Wim Van Sebroeck
parent 64307b48f7
commit fa928ee8d4
1 changed files with 1 additions and 3 deletions
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4
drivers/watchdog/booke_wdt.c
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@ -186,8 +186,6 @@ static int booke_wdt_stop(struct watchdog_device *wdog)
static int booke_wdt_set_timeout(struct watchdog_device *wdt_dev,
unsigned int timeout)
{
if (timeout > MAX_WDT_TIMEOUT)
return -EINVAL;
wdt_dev->timeout = timeout;
booke_wdt_set(wdt_dev);
@ -211,7 +209,6 @@ static struct watchdog_device booke_wdt_dev = {
.info = &booke_wdt_info,
.ops = &booke_wdt_ops,
.min_timeout = 1,
.max_timeout = 0xFFFF
};
static void __exit booke_wdt_exit(void)
@ -229,6 +226,7 @@ static int __init booke_wdt_init(void)
booke_wdt_set_timeout(&booke_wdt_dev,
period_to_sec(booke_wdt_period));
watchdog_set_nowayout(&booke_wdt_dev, nowayout);
booke_wdt_dev.max_timeout = MAX_WDT_TIMEOUT;
if (booke_wdt_enabled)
booke_wdt_start(&booke_wdt_dev);