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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2015-08-12 11:15:52 +0300
committerWim Van Sebroeck <wim@iguana.be>2015-09-09 22:36:31 +0300
commita57e06f7c6365f7d6e13f35933d3ef329205c1af (patch)
tree002f38dfad3e9c4c981b7023bf4b7e6564360468 /drivers/watchdog
parent6cd8a1b9f71290d58099101e65e7e2279bcdb212 (diff)
downloadlinux-a57e06f7c6365f7d6e13f35933d3ef329205c1af.tar.xz
watchdog: mpc8xxx: remove dead code
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/mpc8xxx_wdt.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 689381a24887..8ad42b83f995 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -68,12 +68,6 @@ module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
"(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-/*
- * We always prescale, but if someone really doesn't want to they can set this
- * to 0
- */
-static int prescale = 1;
-
static DEFINE_SPINLOCK(wdt_spinlock);
static void mpc8xxx_wdt_keepalive(void)
@@ -101,11 +95,9 @@ static void mpc8xxx_wdt_timer_ping(unsigned long arg)
static int mpc8xxx_wdt_start(struct watchdog_device *w)
{
- u32 tmp = SWCRR_SWEN;
+ u32 tmp = SWCRR_SWEN | SWCRR_SWPR;
/* Good, fire up the show */
- if (prescale)
- tmp |= SWCRR_SWPR;
if (reset)
tmp |= SWCRR_SWRI;
@@ -179,10 +171,7 @@ static int mpc8xxx_wdt_probe(struct platform_device *ofdev)
}
/* Calculate the timeout in seconds */
- if (prescale)
- timeout_sec = (timeout * wdt_type->prescaler) / freq;
- else
- timeout_sec = timeout / freq;
+ timeout_sec = (timeout * wdt_type->prescaler) / freq;
mpc8xxx_wdt_dev.timeout = timeout_sec;
#ifdef MODULE