--- zzzz-none-000/linux-5.4.213/include/linux/dmaengine.h	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/include/linux/dmaengine.h	2024-08-14 09:02:08.000000000 +0000
@@ -186,6 +186,8 @@
 	DMA_PREP_FENCE = (1 << 5),
 	DMA_CTRL_REUSE = (1 << 6),
 	DMA_PREP_CMD = (1 << 7),
+	DMA_PREP_LOCK = (1 << 8),
+	DMA_PREP_UNLOCK = (1 << 9),
 };
 
 /**