leds: leds-cobalt-qube: use devm_ioremap

The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_ioremap() for these functions.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
index 6a8725cc7b4d..86d6db74efd8 100644
--- a/drivers/leds/leds-cobalt-qube.c
+++ b/drivers/leds/leds-cobalt-qube.c
@@ -43,7 +43,7 @@ static int __devinit cobalt_qube_led_probe(struct platform_device *pdev)
         if (!res)
                 return -EBUSY;
 
-        led_port = ioremap(res->start, resource_size(res));
+        led_port = devm_ioremap(&pdev->dev, res->start, resource_size(res));
         if (!led_port)
                 return -ENOMEM;
 
@@ -52,12 +52,11 @@ static int __devinit cobalt_qube_led_probe(struct platform_device *pdev)
 
         retval = led_classdev_register(&pdev->dev, &qube_front_led);
         if (retval)
-                goto err_iounmap;
+                goto err_null;
 
         return 0;
 
-err_iounmap:
-        iounmap(led_port);
+err_null:
         led_port = NULL;
 
         return retval;
@@ -67,10 +66,8 @@ static int __devexit cobalt_qube_led_remove(struct platform_device *pdev)
 {
         led_classdev_unregister(&qube_front_led);
 
-        if (led_port) {
-                iounmap(led_port);
+        if (led_port)
                 led_port = NULL;
-        }
 
         return 0;
 }