dt/sound: Eliminate users of of_platform_{,un}register_driver

Get rid of users of of_platform_driver in drivers/sound.  The
of_platform_{,un}register_driver functions are going away, so the
users need to be converted to using the platform_bus_type directly.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index c276086..0e618f8 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -1856,7 +1856,7 @@
 	return 0;
 }
 
-static int __devinit cs4231_sbus_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit cs4231_sbus_probe(struct platform_device *op)
 {
 	struct resource *rp = &op->resource[0];
 	struct snd_card *card;
@@ -2048,7 +2048,7 @@
 	return 0;
 }
 
-static int __devinit cs4231_ebus_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit cs4231_ebus_probe(struct platform_device *op)
 {
 	struct snd_card *card;
 	int err;
@@ -2072,16 +2072,16 @@
 }
 #endif
 
-static int __devinit cs4231_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit cs4231_probe(struct platform_device *op)
 {
 #ifdef EBUS_SUPPORT
 	if (!strcmp(op->dev.of_node->parent->name, "ebus"))
-		return cs4231_ebus_probe(op, match);
+		return cs4231_ebus_probe(op);
 #endif
 #ifdef SBUS_SUPPORT
 	if (!strcmp(op->dev.of_node->parent->name, "sbus") ||
 	    !strcmp(op->dev.of_node->parent->name, "sbi"))
-		return cs4231_sbus_probe(op, match);
+		return cs4231_sbus_probe(op);
 #endif
 	return -ENODEV;
 }
@@ -2108,7 +2108,7 @@
 
 MODULE_DEVICE_TABLE(of, cs4231_match);
 
-static struct of_platform_driver cs4231_driver = {
+static struct platform_driver cs4231_driver = {
 	.driver = {
 		.name = "audio",
 		.owner = THIS_MODULE,
@@ -2120,12 +2120,12 @@
 
 static int __init cs4231_init(void)
 {
-	return of_register_platform_driver(&cs4231_driver);
+	return platform_driver_register(&cs4231_driver);
 }
 
 static void __exit cs4231_exit(void)
 {
-	of_unregister_platform_driver(&cs4231_driver);
+	platform_driver_unregister(&cs4231_driver);
 }
 
 module_init(cs4231_init);