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watchdog: via_wdt: Set min_timeout and max_timeout for wdt_dev

PATCH New Axel Lin 1 participant 1 message Jan 21, 2012 Watchdog device drivers

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Axel Lin

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PATCH 1/1 watchdog: via_wdt: Set min_timeout and max_timeout for wdt_dev

Let the watchdog core to check the valid value range of min_timeout/max_timeout.

Signed-off-by Axel Lin <[email protected]>
---
 drivers/watchdog/via_wdt.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
drivers/watchdog/via_wdt.c +2 -2
index 8b24b00..8f07dd4 100644
@@ -124,8 +124,6 @@ static int wdt_stop(struct watchdog_device *wdd)
 static int wdt_set_timeout(struct watchdog_device *wdd,
 			   unsigned int new_timeout)
 {
-	if (new_timeout < 1 || new_timeout > WDT_TIMEOUT_MAX)
-		return -EINVAL;
 	writel(new_timeout, wdt_mem + VIA_WDT_COUNT);
 	timeout = new_timeout;
 	return 0;

@@ -150,6 +148,8 @@ static const struct watchdog_ops wdt_ops = {
 static struct watchdog_device wdt_dev = {
 	.info =		&wdt_info,
 	.ops =		&wdt_ops,
+	.min_timeout =	1,
+	.max_timeout =	WDT_TIMEOUT_MAX,
 };
 
 static int __devinit wdt_probe(struct pci_dev *pdev,
Signature · 1 line
1.7.5.4