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-rw-r--r--include/linux/dma-mapping.h6
1 files changed, 1 insertions, 5 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 07dfd460d286..91b761846061 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -58,6 +58,7 @@ struct dma_map_ops {
enum dma_data_direction dir);
int (*mapping_error)(struct device *dev, dma_addr_t dma_addr);
int (*dma_supported)(struct device *dev, u64 mask);
+ int (*set_dma_mask)(struct device *dev, u64 mask);
int is_phys;
};
@@ -98,11 +99,6 @@ static inline int is_device_dma_capable(struct device *dev)
return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
}
-static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size)
-{
- return addr + size <= mask;
-}
-
#ifdef CONFIG_HAS_DMA
#include <asm/dma-mapping.h>
#else