ASoC: ep93xx: Use devm_snd_dmaengine_pcm_register()

Makes the code slightly shorter.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/cirrus/ep93xx-pcm.c

@@ -78,19 +78,13 @@ static const struct snd_dmaengine_pcm_config ep93xx_dmaengine_pcm_config = {
 
 static int ep93xx_soc_platform_probe(struct platform_device *pdev)
 {
-	return snd_dmaengine_pcm_register(&pdev->dev,
+	return devm_snd_dmaengine_pcm_register(&pdev->dev,
 		&ep93xx_dmaengine_pcm_config,
 		SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
 		SND_DMAENGINE_PCM_FLAG_NO_DT |
 		SND_DMAENGINE_PCM_FLAG_COMPAT);
 }
 
-static int ep93xx_soc_platform_remove(struct platform_device *pdev)
-{
-	snd_dmaengine_pcm_unregister(&pdev->dev);
-	return 0;
-}
-
 static struct platform_driver ep93xx_pcm_driver = {
 	.driver = {
 			.name = "ep93xx-pcm-audio",
@@ -98,7 +92,6 @@ static struct platform_driver ep93xx_pcm_driver = {
 	},
 
 	.probe = ep93xx_soc_platform_probe,
-	.remove = ep93xx_soc_platform_remove,
 };
 
 module_platform_driver(ep93xx_pcm_driver);