ASoC: Convert kirkwood directory to module_platform_driver

Factor out some boilerplate code.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/kirkwood/kirkwood-dma.c

@@ -388,17 +388,7 @@ static struct platform_driver kirkwood_pcm_driver = {
 	.remove = __devexit_p(kirkwood_soc_platform_remove),
 };
 
-static int __init kirkwood_pcm_init(void)
-{
-	return platform_driver_register(&kirkwood_pcm_driver);
-}
-module_init(kirkwood_pcm_init);
-
-static void __exit kirkwood_pcm_exit(void)
-{
-	platform_driver_unregister(&kirkwood_pcm_driver);
-}
-module_exit(kirkwood_pcm_exit);
+module_platform_driver(kirkwood_pcm_driver);
 
 MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
 MODULE_DESCRIPTION("Marvell Kirkwood Audio DMA module");

sound/soc/kirkwood/kirkwood-i2s.c

@@ -483,17 +483,7 @@ static struct platform_driver kirkwood_i2s_driver = {
 	},
 };
 
-static int __init kirkwood_i2s_init(void)
-{
-	return platform_driver_register(&kirkwood_i2s_driver);
-}
-module_init(kirkwood_i2s_init);
-
-static void __exit kirkwood_i2s_exit(void)
-{
-	platform_driver_unregister(&kirkwood_i2s_driver);
-}
-module_exit(kirkwood_i2s_exit);
+module_platform_driver(kirkwood_i2s_driver);
 
 /* Module information */
 MODULE_AUTHOR("Arnaud Patard, <arnaud.patard@rtp-net.org>");