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-rw-r--r--drivers/watchdog/sa1100_wdt.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index ed01e4c2beff..87977156ddb8 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -35,8 +35,7 @@
#include <mach/reset.h>
#include <mach/hardware.h>
-#define OSCR_FREQ CLOCK_TICK_RATE
-
+static unsigned long oscr_freq;
static unsigned long sa1100wdt_users;
static int pre_margin;
static int boot_status;
@@ -123,12 +122,12 @@ static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
break;
}
- pre_margin = OSCR_FREQ * time;
+ pre_margin = oscr_freq * time;
OSMR3 = OSCR + pre_margin;
/*fall through*/
case WDIOC_GETTIMEOUT:
- ret = put_user(pre_margin / OSCR_FREQ, p);
+ ret = put_user(pre_margin / oscr_freq, p);
break;
}
return ret;
@@ -155,6 +154,8 @@ static int __init sa1100dog_init(void)
{
int ret;
+ oscr_freq = get_clock_tick_rate();
+
/*
* Read the reset status, and save it for later. If
* we suspend, RCSR will be cleared, and the watchdog
@@ -162,7 +163,7 @@ static int __init sa1100dog_init(void)
*/
boot_status = (reset_status & RESET_STATUS_WATCHDOG) ?
WDIOF_CARDRESET : 0;
- pre_margin = OSCR_FREQ * margin;
+ pre_margin = oscr_freq * margin;
ret = misc_register(&sa1100dog_miscdev);
if (ret == 0)