watchdog: add timeout-sec property binding

this patchset add the timeout-sec property to the following drivers:
orion_wdt, pnx4008_wdt, s3c2410_wdt and at91sam9_wdt.

The at91sam9_wdt is tested on evk-pr3,
the other drivers are compile tested only.

Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Cc: Masanari Iida <standby24x7@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 8038b20284ce..be37dde4f864 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -56,7 +56,7 @@
 
 /* User land timeout */
 #define WDT_HEARTBEAT 15
-static int heartbeat = WDT_HEARTBEAT;
+static int heartbeat;
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. "
         "(default = " __MODULE_STRING(WDT_HEARTBEAT) ")");
@@ -176,6 +176,7 @@ static const struct watchdog_ops at91_wdt_ops = {
 static struct watchdog_device at91_wdt_dev = {
         .info =         &at91_wdt_info,
         .ops =          &at91_wdt_ops,
+        .timeout =      WDT_HEARTBEAT,
         .min_timeout =  1,
         .max_timeout =  0xFFFF,
 };
@@ -194,8 +195,8 @@ static int __init at91wdt_probe(struct platform_device *pdev)
                 return -ENOMEM;
         }
 
-        at91_wdt_dev.timeout = heartbeat;
         at91_wdt_dev.parent = &pdev->dev;
+        watchdog_init_timeout(&at91_wdt_dev, heartbeat, &pdev->dev);
         watchdog_set_nowayout(&at91_wdt_dev, nowayout);
 
         /* Set watchdog */
@@ -212,7 +213,7 @@ static int __init at91wdt_probe(struct platform_device *pdev)
         mod_timer(&at91wdt_private.timer, jiffies + WDT_TIMEOUT);
 
         pr_info("enabled (heartbeat=%d sec, nowayout=%d)\n",
-                heartbeat, nowayout);
+                at91_wdt_dev.timeout, nowayout);
 
         return 0;
 }