--- zzzz-none-000/linux-3.10.107/include/sound/memalloc.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/sound/memalloc.h	2021-02-04 17:41:59.000000000 +0000
@@ -52,6 +52,11 @@
 #else
 #define SNDRV_DMA_TYPE_DEV_SG	SNDRV_DMA_TYPE_DEV /* no SG-buf support */
 #endif
+#ifdef CONFIG_GENERIC_ALLOCATOR
+#define SNDRV_DMA_TYPE_DEV_IRAM		4	/* generic device iram-buffer */
+#else
+#define SNDRV_DMA_TYPE_DEV_IRAM	SNDRV_DMA_TYPE_DEV
+#endif
 
 /*
  * info for buffer allocation
@@ -144,13 +149,6 @@
                                  struct snd_dma_buffer *dmab);
 void snd_dma_free_pages(struct snd_dma_buffer *dmab);
 
-/* buffer-preservation managements */
-
-#define snd_dma_pci_buf_id(pci)	(((unsigned int)(pci)->vendor << 16) | (pci)->device)
-
-size_t snd_dma_get_reserved_buf(struct snd_dma_buffer *dmab, unsigned int id);
-int snd_dma_reserve_buf(struct snd_dma_buffer *dmab, unsigned int id);
-
 /* basic memory allocation functions */
 void *snd_malloc_pages(size_t size, gfp_t gfp_flags);
 void snd_free_pages(void *ptr, size_t size);