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authorIngo Molnar <mingo@kernel.org>2020-07-25 21:49:36 +0200
committerIngo Molnar <mingo@kernel.org>2020-07-25 21:49:36 +0200
commitc84d53051fcb4f3d14d5a245e1d7ee8512bcb199 (patch)
tree30f7f845afc8e0428c1fbb1bc93f52b120d40661 /include/linux/dma-mapping.h
parent9a71df495c3d29dab596bb590e73fd8b20106e2d (diff)
parentba47d845d715a010f7b51f6f89bae32845e6acb7 (diff)
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Merge tag 'v5.8-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/dma-mapping.h')
-rw-r--r--include/linux/dma-mapping.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 78f677cf45ab..a33ed3954ed4 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -461,6 +461,7 @@ int dma_set_mask(struct device *dev, u64 mask);
int dma_set_coherent_mask(struct device *dev, u64 mask);
u64 dma_get_required_mask(struct device *dev);
size_t dma_max_mapping_size(struct device *dev);
+bool dma_need_sync(struct device *dev, dma_addr_t dma_addr);
unsigned long dma_get_merge_boundary(struct device *dev);
#else /* CONFIG_HAS_DMA */
static inline dma_addr_t dma_map_page_attrs(struct device *dev,
@@ -571,6 +572,10 @@ static inline size_t dma_max_mapping_size(struct device *dev)
{
return 0;
}
+static inline bool dma_need_sync(struct device *dev, dma_addr_t dma_addr)
+{
+ return false;
+}
static inline unsigned long dma_get_merge_boundary(struct device *dev)
{
return 0;