--- zzzz-none-000/linux-3.10.107/sound/soc/fsl/mpc5200_psc_ac97.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/fsl/mpc5200_psc_ac97.c	2021-02-04 17:41:59.000000000 +0000
@@ -131,13 +131,12 @@
 	psc_ac97_warm_reset(ac97);
 }
 
-struct snd_ac97_bus_ops soc_ac97_ops = {
+static struct snd_ac97_bus_ops psc_ac97_ops = {
 	.read		= psc_ac97_read,
 	.write		= psc_ac97_write,
 	.reset		= psc_ac97_cold_reset,
 	.warm_reset	= psc_ac97_warm_reset,
 };
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
 
 static int psc_ac97_hw_analog_params(struct snd_pcm_substream *substream,
 				 struct snd_pcm_hw_params *params,
@@ -238,7 +237,7 @@
 static struct snd_soc_dai_driver psc_ac97_dai[] = {
 {
 	.name = "mpc5200-psc-ac97.0",
-	.ac97_control = 1,
+	.bus_control = true,
 	.probe	= psc_ac97_probe,
 	.playback = {
 		.stream_name	= "AC97 Playback",
@@ -258,7 +257,7 @@
 },
 {
 	.name = "mpc5200-psc-ac97.1",
-	.ac97_control = 1,
+	.bus_control = true,
 	.playback = {
 		.stream_name	= "AC97 SPDIF",
 		.channels_min   = 1,
@@ -283,13 +282,18 @@
 static int psc_ac97_of_probe(struct platform_device *op)
 {
 	int rc;
-	struct snd_ac97 ac97;
 	struct mpc52xx_psc __iomem *regs;
 
 	rc = mpc5200_audio_dma_create(op);
 	if (rc != 0)
 		return rc;
 
+	rc = snd_soc_set_ac97_ops(&psc_ac97_ops);
+	if (rc != 0) {
+		dev_err(&op->dev, "Failed to set AC'97 ops: %d\n", rc);
+		return rc;
+	}
+
 	rc = snd_soc_register_component(&op->dev, &psc_ac97_component,
 					psc_ac97_dai, ARRAY_SIZE(psc_ac97_dai));
 	if (rc != 0) {
@@ -299,7 +303,6 @@
 
 	psc_dma = dev_get_drvdata(&op->dev);
 	regs = psc_dma->psc_regs;
-	ac97.private_data = psc_dma;
 
 	psc_dma->imr = 0;
 	out_be16(&psc_dma->psc_regs->isr_imr.imr, psc_dma->imr);
@@ -318,11 +321,12 @@
 {
 	mpc5200_audio_dma_destroy(op);
 	snd_soc_unregister_component(&op->dev);
+	snd_soc_set_ac97_ops(NULL);
 	return 0;
 }
 
 /* Match table for of_platform binding */
-static struct of_device_id psc_ac97_match[] = {
+static const struct of_device_id psc_ac97_match[] = {
 	{ .compatible = "fsl,mpc5200-psc-ac97", },
 	{ .compatible = "fsl,mpc5200b-psc-ac97", },
 	{}
@@ -334,7 +338,6 @@
 	.remove = psc_ac97_of_remove,
 	.driver = {
 		.name = "mpc5200-psc-ac97",
-		.owner = THIS_MODULE,
 		.of_match_table = psc_ac97_match,
 	},
 };