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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-24 22:17:05 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-24 22:17:05 +0300 |
commit | 1b307ac87075c3207c345822ea276fe4f28481d7 (patch) | |
tree | 8d3b04cc685b4dd8d34e9decbae0ba1bb5e8647b /include | |
parent | 9bf8d8bcf3cebe44863188f1f2d822214e84f5b1 (diff) | |
parent | 6857a5ebaabc5b9d989872700b4b71dd2a6d6453 (diff) | |
download | linux-1b307ac87075c3207c345822ea276fe4f28481d7.tar.xz |
Merge tag 'dma-mapping-5.10-1' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fixes from Christoph Hellwig:
- document the new dma_{alloc,free}_pages() API
- two fixups for the dma-mapping.h split
* tag 'dma-mapping-5.10-1' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: document dma_{alloc,free}_pages
dma-mapping: move more functions to dma-map-ops.h
ARM/sa1111: add a missing include of dma-map-ops.h
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/dma-map-ops.h | 23 | ||||
-rw-r--r-- | include/linux/dma-mapping.h | 24 |
2 files changed, 23 insertions, 24 deletions
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index 8029f7e04145..a5f89fc4d6df 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -203,6 +203,29 @@ static inline int dma_mmap_from_global_coherent(struct vm_area_struct *vma, } #endif /* CONFIG_DMA_DECLARE_COHERENT */ +int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, size_t size, + unsigned long attrs); +int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size, + unsigned long attrs); +struct page *dma_common_alloc_pages(struct device *dev, size_t size, + dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp); +void dma_common_free_pages(struct device *dev, size_t size, struct page *vaddr, + dma_addr_t dma_handle, enum dma_data_direction dir); + +struct page **dma_common_find_pages(void *cpu_addr); +void *dma_common_contiguous_remap(struct page *page, size_t size, pgprot_t prot, + const void *caller); +void *dma_common_pages_remap(struct page **pages, size_t size, pgprot_t prot, + const void *caller); +void dma_common_free_remap(void *cpu_addr, size_t size); + +struct page *dma_alloc_from_pool(struct device *dev, size_t size, + void **cpu_addr, gfp_t flags, + bool (*phys_addr_ok)(struct device *, phys_addr_t, size_t)); +bool dma_free_from_pool(struct device *dev, void *start, size_t size); + #ifdef CONFIG_ARCH_HAS_DMA_COHERENCE_H #include <asm/dma-coherence.h> #elif defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \ diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 3f029afdc9dc..956151052d45 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -389,30 +389,6 @@ static inline void dma_sync_sgtable_for_device(struct device *dev, #define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, 0) #define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, 0) -extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t dma_addr, size_t size, - unsigned long attrs); -struct page *dma_common_alloc_pages(struct device *dev, size_t size, - dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp); -void dma_common_free_pages(struct device *dev, size_t size, struct page *vaddr, - dma_addr_t dma_handle, enum dma_data_direction dir); -struct page **dma_common_find_pages(void *cpu_addr); -void *dma_common_contiguous_remap(struct page *page, size_t size, - pgprot_t prot, const void *caller); - -void *dma_common_pages_remap(struct page **pages, size_t size, - pgprot_t prot, const void *caller); -void dma_common_free_remap(void *cpu_addr, size_t size); - -struct page *dma_alloc_from_pool(struct device *dev, size_t size, - void **cpu_addr, gfp_t flags, - bool (*phys_addr_ok)(struct device *, phys_addr_t, size_t)); -bool dma_free_from_pool(struct device *dev, void *start, size_t size); - -int -dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, - dma_addr_t dma_addr, size_t size, unsigned long attrs); - static inline void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp) { |