diff options
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 7d042d5c43e3..e822af0d9219 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -529,7 +529,7 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page) static bool __in_atomic_pool(void *start, size_t size) { - return addr_in_gen_pool(atomic_pool, (unsigned long)start, size); + return gen_pool_has_addr(atomic_pool, (unsigned long)start, size); } static int __free_from_pool(void *start, size_t size) @@ -1559,7 +1559,7 @@ static int arm_coherent_iommu_mmap_attrs(struct device *dev, * free a page as defined by the above mapping. * Must not be called with IRQs disabled. */ -void __arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, +static void __arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle, unsigned long attrs, int coherent_flag) { struct page **pages; @@ -1583,13 +1583,14 @@ void __arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, __iommu_free_buffer(dev, pages, size, attrs); } -void arm_iommu_free_attrs(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t handle, unsigned long attrs) +static void arm_iommu_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t handle, + unsigned long attrs) { __arm_iommu_free_attrs(dev, size, cpu_addr, handle, attrs, NORMAL); } -void arm_coherent_iommu_free_attrs(struct device *dev, size_t size, +static void arm_coherent_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle, unsigned long attrs) { __arm_iommu_free_attrs(dev, size, cpu_addr, handle, attrs, COHERENT); @@ -1713,7 +1714,7 @@ bad_mapping: * possible) and tagged with the appropriate dma address and length. They are * obtained via sg_dma_{address,length}. */ -int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg, +static int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs) { return __iommu_map_sg(dev, sg, nents, dir, attrs, true); @@ -1731,7 +1732,7 @@ int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg, * tagged with the appropriate dma address and length. They are obtained via * sg_dma_{address,length}. */ -int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, +static int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs) { return __iommu_map_sg(dev, sg, nents, dir, attrs, false); @@ -1764,8 +1765,8 @@ static void __iommu_unmap_sg(struct device *dev, struct scatterlist *sg, * Unmap a set of streaming mode DMA translations. Again, CPU access * rules concerning calls here are the same as for dma_unmap_single(). */ -void arm_coherent_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, +static void arm_coherent_iommu_unmap_sg(struct device *dev, + struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs) { __iommu_unmap_sg(dev, sg, nents, dir, attrs, true); @@ -1781,9 +1782,10 @@ void arm_coherent_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, * Unmap a set of streaming mode DMA translations. Again, CPU access * rules concerning calls here are the same as for dma_unmap_single(). */ -void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, - unsigned long attrs) +static void arm_iommu_unmap_sg(struct device *dev, + struct scatterlist *sg, int nents, + enum dma_data_direction dir, + unsigned long attrs) { __iommu_unmap_sg(dev, sg, nents, dir, attrs, false); } @@ -1795,7 +1797,8 @@ void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, * @nents: number of buffers to map (returned from dma_map_sg) * @dir: DMA transfer direction (same as was passed to dma_map_sg) */ -void arm_iommu_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, +static void arm_iommu_sync_sg_for_cpu(struct device *dev, + struct scatterlist *sg, int nents, enum dma_data_direction dir) { struct scatterlist *s; @@ -1813,7 +1816,8 @@ void arm_iommu_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, * @nents: number of buffers to map (returned from dma_map_sg) * @dir: DMA transfer direction (same as was passed to dma_map_sg) */ -void arm_iommu_sync_sg_for_device(struct device *dev, struct scatterlist *sg, +static void arm_iommu_sync_sg_for_device(struct device *dev, + struct scatterlist *sg, int nents, enum dma_data_direction dir) { struct scatterlist *s; @@ -2015,7 +2019,7 @@ static void arm_iommu_sync_single_for_device(struct device *dev, __dma_page_cpu_to_dev(page, offset, size, dir); } -const struct dma_map_ops iommu_ops = { +static const struct dma_map_ops iommu_ops = { .alloc = arm_iommu_alloc_attrs, .free = arm_iommu_free_attrs, .mmap = arm_iommu_mmap_attrs, @@ -2037,7 +2041,7 @@ const struct dma_map_ops iommu_ops = { .dma_supported = arm_dma_supported, }; -const struct dma_map_ops iommu_coherent_ops = { +static const struct dma_map_ops iommu_coherent_ops = { .alloc = arm_coherent_iommu_alloc_attrs, .free = arm_coherent_iommu_free_attrs, .mmap = arm_coherent_iommu_mmap_attrs, @@ -2332,26 +2336,20 @@ void arch_teardown_dma_ops(struct device *dev) } #ifdef CONFIG_SWIOTLB -void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr, - size_t size, enum dma_data_direction dir) +void arch_sync_dma_for_device(phys_addr_t paddr, size_t size, + enum dma_data_direction dir) { __dma_page_cpu_to_dev(phys_to_page(paddr), paddr & (PAGE_SIZE - 1), size, dir); } -void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr, - size_t size, enum dma_data_direction dir) +void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size, + enum dma_data_direction dir) { __dma_page_dev_to_cpu(phys_to_page(paddr), paddr & (PAGE_SIZE - 1), size, dir); } -long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr, - dma_addr_t dma_addr) -{ - return dma_to_pfn(dev, dma_addr); -} - void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) { |