forked from Minki/linux
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>
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50e5194385
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@ -43,7 +43,7 @@ static int __devinit cobalt_qube_led_probe(struct platform_device *pdev)
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if (!res)
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return -EBUSY;
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led_port = ioremap(res->start, resource_size(res));
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led_port = devm_ioremap(&pdev->dev, res->start, resource_size(res));
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if (!led_port)
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return -ENOMEM;
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@ -52,12 +52,11 @@ static int __devinit cobalt_qube_led_probe(struct platform_device *pdev)
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retval = led_classdev_register(&pdev->dev, &qube_front_led);
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if (retval)
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goto err_iounmap;
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goto err_null;
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return 0;
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err_iounmap:
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iounmap(led_port);
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err_null:
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led_port = NULL;
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return retval;
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@ -67,10 +66,8 @@ static int __devexit cobalt_qube_led_remove(struct platform_device *pdev)
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{
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led_classdev_unregister(&qube_front_led);
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if (led_port) {
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iounmap(led_port);
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if (led_port)
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led_port = NULL;
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}
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return 0;
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}
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