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>

diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
index 6a8725c..86d6db7 100644 (file)
--- 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;
 }