From: Eric Miao Date: Wed, 24 Dec 2008 03:32:45 +0000 (+0800) Subject: [ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant X-Git-Tag: v2.6.29-rc1~559^2^2~8 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=28a623855f737a905b90a1616107ad813bfcd6e9;p=karo-tx-linux.git [ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant See description of commit: [ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant for additional information. Signed-off-by: Eric Miao --- 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 #include -#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)