watchdog: Convert to devm_ioremap_resource()

Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index 6a89e4045fbd..6185af2b3310 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 #include <linux/io.h>
 #include <linux/clk.h>
+#include <linux/err.h>
 #include <asm/watchdog.h>
 
 #define DRV_NAME "sh-wdt"
@@ -249,9 +250,9 @@ static int sh_wdt_probe(struct platform_device *pdev)
                 wdt->clk = NULL;
         }
 
-        wdt->base = devm_request_and_ioremap(wdt->dev, res);
-        if (unlikely(!wdt->base)) {
-                rc = -EADDRNOTAVAIL;
+        wdt->base = devm_ioremap_resource(wdt->dev, res);
+        if (IS_ERR(wdt->base)) {
+                rc = PTR_ERR(wdt->base);
                 goto err;
         }