watchdog: hpwdt (6/12): Introduce SECS_TO_TICKS() macro
Define a macro to convert from seconds to timer ticks.
Signed-off-by: dann frazier <dannf@hp.com>
Acked-by: Thomas Mingarelli <Thomas.Mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 77ca72c..a5d36ae 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -35,6 +35,7 @@
#include <asm/cacheflush.h>
#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 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 @@
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;
}
