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
--- a/drivers/leds/leds-cobalt-qube.c
+++ b/drivers/leds/leds-cobalt-qube.c
@@ -43,7 +43,7 @@
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 @@
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 @@
{
led_classdev_unregister(&qube_front_led);
- if (led_port) {
- iounmap(led_port);
+ if (led_port)
led_port = NULL;
- }
return 0;
}