From: Alexander Shiyan <shc_work@mail.ru>
Date: Sat, 15 Feb 2014 09:22:49 +0000 (+0400)
Subject: watchdog: sc520_wdt: Remove unused variable
X-Git-Tag: v3.15-rc1~146^2~27
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9ba8376e9e6f7d3d6dd5c2c6816e9a9358d38e8;p=pandora-kernel.git

watchdog: sc520_wdt: Remove unused variable

Variable "dummy" is not used anywhere in the function wdt_config().
This patch removes this variable.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---

diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c
index f353e18b1a82..1cfd3f6a13d5 100644
--- a/drivers/watchdog/sc520_wdt.c
+++ b/drivers/watchdog/sc520_wdt.c
@@ -158,12 +158,11 @@ static void wdt_timer_ping(unsigned long data)
 
 static void wdt_config(int writeval)
 {
-	__u16 dummy;
 	unsigned long flags;
 
 	/* buy some time (ping) */
 	spin_lock_irqsave(&wdt_spinlock, flags);
-	dummy = readw(wdtmrctl);	/* ensure write synchronization */
+	readw(wdtmrctl);	/* ensure write synchronization */
 	writew(0xAAAA, wdtmrctl);
 	writew(0x5555, wdtmrctl);
 	/* unlock WDT = make WDT configuration register writable one time */