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authorLinus Torvalds2020-07-19 11:28:23 -0700
committerLinus Torvalds2020-07-19 11:28:23 -0700
commit8c18fc6344568bdc131436be0345d82da512bfef (patch)
tree0bad0c4f5d44806d842eff89ad1d6dbfb4a923cf /include/linux
parentf932d58abc38c898d7d3fe635ecb2b821a256f54 (diff)
parentd9765e41d8e9ea2251bf73735a2895c8bad546fc (diff)
Merge tag 'dma-mapping-5.8-6' of git://git.infradead.org/users/hch/dma-mapping into master
Pull dma-mapping fixes from Christoph Hellwig: "Ensure we always have fully addressable memory in the dma coherent pool (Nicolas Saenz Julienne)" * tag 'dma-mapping-5.8-6' of git://git.infradead.org/users/hch/dma-mapping: dma-pool: do not allocate pool memory from CMA dma-pool: make sure atomic pool suits device dma-pool: introduce dma_guess_pool() dma-pool: get rid of dma_in_atomic_pool() dma-direct: provide function to check physical memory area validity
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/dma-direct.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h
index 5184735a0fe8..ab2e20cba951 100644
--- a/include/linux/dma-direct.h
+++ b/include/linux/dma-direct.h
@@ -69,6 +69,7 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size,
u64 dma_direct_get_required_mask(struct device *dev);
gfp_t dma_direct_optimal_gfp_mask(struct device *dev, u64 dma_mask,
u64 *phys_mask);
+bool dma_coherent_ok(struct device *dev, phys_addr_t phys, size_t size);
void *dma_direct_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp_t gfp, unsigned long attrs);
void dma_direct_free(struct device *dev, size_t size, void *cpu_addr,