From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Wed, 12 Aug 2015 08:15:57 +0000 (+0200)
Subject: watchdog: mpc8xxx: use better error code when watchdog cannot be enabled
X-Git-Tag: v4.3-rc1~15^2~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72cd501e6a9b578cf99ae062477d9c7a938a3238;p=thirdparty%2Flinux.git

watchdog: mpc8xxx: use better error code when watchdog cannot be enabled

checkpatch warns about ENOSYS, telling "ENOSYS means 'invalid syscall
nr' and nothing else". So use ENODEV instead.

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>
---

diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 0b69797d34172..5f2273aac37d5 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -170,7 +170,7 @@ static int mpc8xxx_wdt_probe(struct platform_device *ofdev)
 	enabled = in_be32(&ddata->base->swcrr) & SWCRR_SWEN;
 	if (!enabled && wdt_type->hw_enabled) {
 		pr_info("could not be enabled in software\n");
-		return -ENOSYS;
+		return -ENODEV;
 	}
 
 	spin_lock_init(&ddata->lock);