--- zzzz-none-000/linux-3.10.107/sound/soc/mxs/mxs-pcm.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/mxs/mxs-pcm.h	2021-02-04 17:41:59.000000000 +0000
@@ -19,14 +19,6 @@
 #ifndef _MXS_PCM_H
 #define _MXS_PCM_H
 
-#include <linux/fsl/mxs-dma.h>
-
-struct mxs_pcm_dma_params {
-	struct mxs_dma_data dma_data;
-	int chan_num;
-};
-
 int mxs_pcm_platform_register(struct device *dev);
-void mxs_pcm_platform_unregister(struct device *dev);
 
 #endif