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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/include/linux/dma-direction.h
.. .. @@ -9,4 +9,10 @@
9 9  	DMA_NONE = 3,
10 10  };
11 11  
12 -#endif
12 +static inline int valid_dma_direction(enum dma_data_direction dir)
13 +{
14 +	return dir == DMA_BIDIRECTIONAL || dir == DMA_TO_DEVICE ||
15 +		dir == DMA_FROM_DEVICE;
16 +}
17 +
18 +#endif /* _LINUX_DMA_DIRECTION_H */

..	..	@@ -9,4 +9,10 @@
9	9	DMA_NONE = 3,
10	10	};
11	11
12		-#endif
	12	+static inline int valid_dma_direction(enum dma_data_direction dir)
	13	+{
	14	+ return dir == DMA_BIDIRECTIONAL \|\| dir == DMA_TO_DEVICE \|\|
	15	+ dir == DMA_FROM_DEVICE;
	16	+}
	17	+
	18	+#endif /* _LINUX_DMA_DIRECTION_H */