watchdog: mpc8xxx: remove dead code
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Wed, 12 Aug 2015 08:15:52 +0000 (10:15 +0200)
committerWim Van Sebroeck <wim@iguana.be>
Wed, 9 Sep 2015 19:36:31 +0000 (21:36 +0200)
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>
drivers/watchdog/mpc8xxx_wdt.c

index 689381a248871af4610660ac5c6e05ec01939a8f..8ad42b83f995de11c1be2dcdab9d8f3cc004fafb 100644 (file)
@@ -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