From e802e32d2b42ce1384baf4e150f444477729aad2 Mon Sep 17 00:00:00 2001 From: dann frazier Date: Wed, 2 Jun 2010 16:23:39 -0600 Subject: watchdog: hpwdt (6/12): Introduce SECS_TO_TICKS() macro Define a macro to convert from seconds to timer ticks. Signed-off-by: dann frazier Acked-by: Thomas Mingarelli Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/hpwdt.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/watchdog/hpwdt.c') diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 77ca72c0c6d5..a5d36ae350dd 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -35,6 +35,7 @@ #include #define HPWDT_VERSION "1.1.1" +#define SECS_TO_TICKS(secs) ((secs) * 1000 / 128) #define DEFAULT_MARGIN 30 static unsigned int soft_margin = DEFAULT_MARGIN; /* in seconds */ @@ -410,7 +411,7 @@ static int __devinit detect_cru_service(void) */ static void hpwdt_start(void) { - reload = (soft_margin * 1000) / 128; + reload = SECS_TO_TICKS(soft_margin); iowrite16(reload, hpwdt_timer_reg); iowrite16(0x85, hpwdt_timer_con); } @@ -443,7 +444,7 @@ static int hpwdt_change_timer(int new_margin) printk(KERN_DEBUG "hpwdt: New timer passed in is %d seconds.\n", new_margin); - reload = (soft_margin * 1000) / 128; + reload = SECS_TO_TICKS(soft_margin); return 0; } -- cgit v1.2.3