ASoC: fsl_audmix: Remove unneeded data field

The .data field is only used to pass the string name to
platform_device_register_data().

Pass the string name directly to make the code simpler.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201203013439.10617-1-festevam@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_audmix.c

@@ -455,7 +455,6 @@ static const struct regmap_config fsl_audmix_regmap_config = {
 static const struct of_device_id fsl_audmix_ids[] = {
 	{
 		.compatible = "fsl,imx8qm-audmix",
-		.data = "imx-audmix",
 	},
 	{ /* sentinel */ }
 };
@@ -465,17 +464,9 @@ static int fsl_audmix_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct fsl_audmix *priv;
-	const char *mdrv;
-	const struct of_device_id *of_id;
 	void __iomem *regs;
 	int ret;
 
-	of_id = of_match_device(fsl_audmix_ids, dev);
-	if (!of_id || !of_id->data)
-		return -EINVAL;
-
-	mdrv = of_id->data;
-
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
@@ -510,10 +501,10 @@ static int fsl_audmix_probe(struct platform_device *pdev)
 		goto err_disable_pm;
 	}
 
-	priv->pdev = platform_device_register_data(dev, mdrv, 0, NULL, 0);
+	priv->pdev = platform_device_register_data(dev, "imx-audmix", 0, NULL, 0);
 	if (IS_ERR(priv->pdev)) {
 		ret = PTR_ERR(priv->pdev);
-		dev_err(dev, "failed to register platform %s: %d\n", mdrv, ret);
+		dev_err(dev, "failed to register platform: %d\n", ret);
 		goto err_disable_pm;
 	}