ASoC: mxs: Use devm_snd_dmaengine_pcm_register()

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

sound/soc/mxs/mxs-pcm.c

@@ -56,16 +56,10 @@ static const struct snd_dmaengine_pcm_config mxs_dmaengine_pcm_config = {
 
 int mxs_pcm_platform_register(struct device *dev)
 {
-	return snd_dmaengine_pcm_register(dev, &mxs_dmaengine_pcm_config,
+	return devm_snd_dmaengine_pcm_register(dev, &mxs_dmaengine_pcm_config,
 		SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
 		SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX);
 }
 EXPORT_SYMBOL_GPL(mxs_pcm_platform_register);
 
-void mxs_pcm_platform_unregister(struct device *dev)
-{
-	snd_dmaengine_pcm_unregister(dev);
-}
-EXPORT_SYMBOL_GPL(mxs_pcm_platform_unregister);
-
 MODULE_LICENSE("GPL");

sound/soc/mxs/mxs-pcm.h

@@ -20,6 +20,5 @@
 #define _MXS_PCM_H
 
 int mxs_pcm_platform_register(struct device *dev);
-void mxs_pcm_platform_unregister(struct device *dev);
 
 #endif

sound/soc/mxs/mxs-saif.c

@@ -804,13 +804,6 @@ static int mxs_saif_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int mxs_saif_remove(struct platform_device *pdev)
-{
-	mxs_pcm_platform_unregister(&pdev->dev);
-
-	return 0;
-}
-
 static const struct of_device_id mxs_saif_dt_ids[] = {
 	{ .compatible = "fsl,imx28-saif", },
 	{ /* sentinel */ }
@@ -819,7 +812,6 @@ MODULE_DEVICE_TABLE(of, mxs_saif_dt_ids);
 
 static struct platform_driver mxs_saif_driver = {
 	.probe = mxs_saif_probe,
-	.remove = mxs_saif_remove,
 
 	.driver = {
 		.name = "mxs-saif",