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Signed-off-by: Michael Kelley --- include/linux/dma-map-ops.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index 0d5b06b..3350e7a 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -254,11 +254,20 @@ static inline bool dev_is_dma_coherent(struct device *dev) { return dev->dma_coherent; } +static inline void dev_set_dma_coherent(struct device *dev, + bool coherent) +{ + dev->dma_coherent = coherent; +} #else static inline bool dev_is_dma_coherent(struct device *dev) { return true; } +static inline void dev_set_dma_coherent(struct device *dev, + bool coherent) +{ +} #endif /* CONFIG_ARCH_HAS_DMA_COHERENCE_H */ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, -- 1.8.3.1