Some non-exported functions always returned 0. Mark them void instead.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
        w83697hf_deselect_wdt();
 }
 
-static int
+static void
 wdt_ping(void)
 {
        spin_lock(&io_lock);
 
        w83697hf_deselect_wdt();
        spin_unlock(&io_lock);
-       return 0;
 }
 
-static int
+static void
 wdt_enable(void)
 {
        spin_lock(&io_lock);
 
        w83697hf_deselect_wdt();
        spin_unlock(&io_lock);
-       return 0;
 }
 
-static int
+static void
 wdt_disable(void)
 {
        spin_lock(&io_lock);
 
        w83697hf_deselect_wdt();
        spin_unlock(&io_lock);
-       return 0;
 }
 
 static int