[PATCH] watchdog: booke_wdt: Use infrastructure to check timeout limits

From: Guenter Roeck
Date: Wed Jul 29 2015 - 12:45:46 EST


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

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/watchdog/booke_wdt.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index e96b09b135c8..04da4b66c75e 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -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);

--
2.1.4

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