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watchdog: ep93xx_wdt: timeout is an unsigned int value. 

the timeout is a positive thus unsigned int value.
Also re-add the comment about the actual heartbeat.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck 2012-03-22 09:37:10 +01:00
parent 59dcf1eb1a
commit 2ca1606359
1 changed files with 3 additions and 3 deletions
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6
drivers/watchdog/ep93xx_wdt.c
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@ -42,8 +42,8 @@ static bool nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
static int timeout = WDT_TIMEOUT;
module_param(timeout, int, 0);
static unsigned int timeout = WDT_TIMEOUT;
module_param(timeout, uint, 0);
MODULE_PARM_DESC(timeout,
"Watchdog timeout in seconds. (1<=timeout<=3600, default="
__MODULE_STRING(WDT_TIMEOUT) ")");
@ -55,7 +55,7 @@ static unsigned long next_heartbeat;
#define EP93XX_WATCHDOG 0x00
#define EP93XX_WDSTATUS 0x04
/* reset the wdt every ~200ms */
/* reset the wdt every ~200ms - the heartbeat of the device is 0.250 seconds*/
#define WDT_INTERVAL (HZ/5)
static void ep93xx_wdt_timer_ping(unsigned long data)