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authorChristoph Hellwig <hch@lst.de>2020-07-08 10:45:11 +0300
committerChristoph Hellwig <hch@lst.de>2020-07-16 17:58:33 +0300
commitd3fa60d7bfdc9a0ff1a524bdef96b3db1fd62022 (patch)
tree9d7eae3daa414027937fc2ae279af2459e2b7f21 /kernel/dma/direct.c
parentd9765e41d8e9ea2251bf73735a2895c8bad546fc (diff)
downloadlinux-d3fa60d7bfdc9a0ff1a524bdef96b3db1fd62022.tar.xz
dma-mapping: move the remaining DMA API calls out of line
For a long time the DMA API has been implemented inline in dma-mapping.h, but the function bodies can be quite large. Move them all out of line. This also removes all the dma_direct_* exports as those are just implementation details and should never be used by drivers directly. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Diffstat (limited to 'kernel/dma/direct.c')
-rw-r--r--kernel/dma/direct.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 67f060b86a73..e545d14fccee 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -315,7 +315,6 @@ void dma_direct_sync_single_for_device(struct device *dev,
if (!dev_is_dma_coherent(dev))
arch_sync_dma_for_device(paddr, size, dir);
}
-EXPORT_SYMBOL(dma_direct_sync_single_for_device);
void dma_direct_sync_sg_for_device(struct device *dev,
struct scatterlist *sgl, int nents, enum dma_data_direction dir)
@@ -335,7 +334,6 @@ void dma_direct_sync_sg_for_device(struct device *dev,
dir);
}
}
-EXPORT_SYMBOL(dma_direct_sync_sg_for_device);
#endif
#if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU) || \
@@ -354,7 +352,6 @@ void dma_direct_sync_single_for_cpu(struct device *dev,
if (unlikely(is_swiotlb_buffer(paddr)))
swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);
}
-EXPORT_SYMBOL(dma_direct_sync_single_for_cpu);
void dma_direct_sync_sg_for_cpu(struct device *dev,
struct scatterlist *sgl, int nents, enum dma_data_direction dir)
@@ -376,7 +373,6 @@ void dma_direct_sync_sg_for_cpu(struct device *dev,
if (!dev_is_dma_coherent(dev))
arch_sync_dma_for_cpu_all();
}
-EXPORT_SYMBOL(dma_direct_sync_sg_for_cpu);
void dma_direct_unmap_page(struct device *dev, dma_addr_t addr,
size_t size, enum dma_data_direction dir, unsigned long attrs)
@@ -389,7 +385,6 @@ void dma_direct_unmap_page(struct device *dev, dma_addr_t addr,
if (unlikely(is_swiotlb_buffer(phys)))
swiotlb_tbl_unmap_single(dev, phys, size, size, dir, attrs);
}
-EXPORT_SYMBOL(dma_direct_unmap_page);
void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sgl,
int nents, enum dma_data_direction dir, unsigned long attrs)
@@ -401,7 +396,6 @@ void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sgl,
dma_direct_unmap_page(dev, sg->dma_address, sg_dma_len(sg), dir,
attrs);
}
-EXPORT_SYMBOL(dma_direct_unmap_sg);
#endif
dma_addr_t dma_direct_map_page(struct device *dev, struct page *page,
@@ -428,7 +422,6 @@ dma_addr_t dma_direct_map_page(struct device *dev, struct page *page,
arch_sync_dma_for_device(phys, size, dir);
return dma_addr;
}
-EXPORT_SYMBOL(dma_direct_map_page);
int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
enum dma_data_direction dir, unsigned long attrs)
@@ -450,7 +443,6 @@ out_unmap:
dma_direct_unmap_sg(dev, sgl, i, dir, attrs | DMA_ATTR_SKIP_CPU_SYNC);
return 0;
}
-EXPORT_SYMBOL(dma_direct_map_sg);
dma_addr_t dma_direct_map_resource(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir, unsigned long attrs)
@@ -467,7 +459,6 @@ dma_addr_t dma_direct_map_resource(struct device *dev, phys_addr_t paddr,
return dma_addr;
}
-EXPORT_SYMBOL(dma_direct_map_resource);
int dma_direct_get_sgtable(struct device *dev, struct sg_table *sgt,
void *cpu_addr, dma_addr_t dma_addr, size_t size,