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| author | Christoph Hellwig <hch@lst.de> | 2020-09-11 11:29:47 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-10-06 08:07:03 +0300 |
| commit | 8df4051232152a0520ab3035c2d96f33083c2d6a (patch) | |
| tree | b8e9e290d408d3d118ff9753ccd26d68371b1f5f | |
| parent | 0a0f0d8be76dcd4390ff538e7060fda34db79717 (diff) | |
| download | linux-8df4051232152a0520ab3035c2d96f33083c2d6a.tar.xz | |
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>
| -rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 16 | ||||
| -rw-r--r-- | include/linux/dma-contiguous.h | 32 |
2 files changed, 10 insertions, 38 deletions
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index feb206bdf6e1..2e2853582b45 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -884,6 +884,7 @@ early_param("rproc_mem", early_rproc_mem); void __init da8xx_rproc_reserve_cma(void) { + struct cma *cma; int ret; if (!rproc_base || !rproc_size) { @@ -897,13 +898,16 @@ void __init da8xx_rproc_reserve_cma(void) pr_info("%s: reserving 0x%lx @ 0x%lx...\n", __func__, rproc_size, (unsigned long)rproc_base); - ret = dma_declare_contiguous(&da8xx_dsp.dev, rproc_size, rproc_base, 0); - if (ret) - pr_err("%s: dma_declare_contiguous failed %d\n", __func__, ret); - else - rproc_mem_inited = true; + ret = dma_contiguous_reserve_area(rproc_size, rproc_base, 0, &cma, + true); + if (ret) { + pr_err("%s: dma_contiguous_reserve_area failed %d\n", + __func__, ret); + return; + } + dev_set_cma_area(&da8xx_dsp.dev, cma); + rproc_mem_inited = true; } - #else void __init da8xx_rproc_reserve_cma(void) 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) { |