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| author |   Christoph Hellwig <hch@lst.de> | 2020-09-11 10:29:47 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-10-06 07:07:03 +0200 |
| commit | 8df4051232152a0520ab3035c2d96f33083c2d6a (patch) | |
| tree | b8e9e290d408d3d118ff9753ccd26d68371b1f5f /include/linux/dma-contiguous.h | |
| parent | dma-mapping: split <linux/dma-mapping.h> (diff) | |
| download | linux-dev-8df4051232152a0520ab3035c2d96f33083c2d6a.tar.xz linux-dev-8df4051232152a0520ab3035c2d96f33083c2d6a.zip | |
dma-contiguous: remove dma_declare_contiguous
dma_declare_contiguous is a trivial wrapper around
dma_contiguous_reserve_area and just has a single caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/dma-contiguous.h')
| -rw-r--r-- | include/linux/dma-contiguous.h | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/include/linux/dma-contiguous.h b/include/linux/dma-contiguous.h index fe55e004f1f4..62fd55d07235 100644 --- a/include/linux/dma-contiguous.h +++ b/include/linux/dma-contiguous.h @@ -83,31 +83,6 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, phys_addr_t limit, struct cma **res_cma, bool fixed); -/** - * dma_declare_contiguous() - reserve area for contiguous memory handling - * for particular device - * @dev: Pointer to device structure. - * @size: Size of the reserved memory. - * @base: Start address of the reserved memory (optional, 0 for any). - * @limit: End address of the reserved memory (optional, 0 for any). - * - * This function reserves memory for specified device. It should be - * called by board specific code when early allocator (memblock or bootmem) - * is still activate. - */ - -static inline int dma_declare_contiguous(struct device *dev, phys_addr_t size, - phys_addr_t base, phys_addr_t limit) -{ - struct cma *cma; - int ret; - ret = dma_contiguous_reserve_area(size, base, limit, &cma, true); - if (ret == 0) - dev_set_cma_area(dev, cma); - - return ret; -} - struct page *dma_alloc_from_contiguous(struct device *dev, size_t count, unsigned int order, bool no_warn); bool dma_release_from_contiguous(struct device *dev, struct page *pages, @@ -136,13 +111,6 @@ static inline int dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base } static inline -int dma_declare_contiguous(struct device *dev, phys_addr_t size, - phys_addr_t base, phys_addr_t limit) -{ - return -ENOSYS; -} - -static inline struct page *dma_alloc_from_contiguous(struct device *dev, size_t count, unsigned int order, bool no_warn) { |