powerpc: Use asm-generic/dma-mapping-common.h
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Becky Bruce <beckyb@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
FUJITA Tomonori
Benjamin Herrenschmidt
parent
45223c5492
commit
46bab4e4b4
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@ -120,7 +120,7 @@ config PPC
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select HAVE_KRETPROBES
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select HAVE_ARCH_TRACEHOOK
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select HAVE_LMB
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select HAVE_DMA_ATTRS if PPC64
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select HAVE_DMA_ATTRS
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select USE_GENERIC_SMP_HELPERS if SMP
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select HAVE_OPROFILE
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select HAVE_SYSCALL_WRAPPERS if PPC64
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@ -307,10 +307,6 @@ config SWIOTLB
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platforms where the size of a physical address is larger
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than the bus address. Not all platforms support this.
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config PPC_NEED_DMA_SYNC_OPS
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def_bool y
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depends on (NOT_COHERENT_CACHE || SWIOTLB)
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config HOTPLUG_CPU
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bool "Support for enabling/disabling CPUs"
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depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC)
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@ -14,6 +14,7 @@
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#include <linux/mm.h>
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#include <linux/scatterlist.h>
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#include <linux/dma-attrs.h>
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#include <linux/dma-debug.h>
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#include <asm/io.h>
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#include <asm/swiotlb.h>
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@ -89,6 +90,11 @@ static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
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dev->archdata.dma_ops = ops;
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}
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/* this will be removed soon */
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#define flush_write_buffers()
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#include <asm-generic/dma-mapping-common.h>
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static inline int dma_supported(struct device *dev, u64 mask)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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@ -117,87 +123,6 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
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return 0;
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}
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/*
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* map_/unmap_single actually call through to map/unmap_page now that all the
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* dma_map_ops have been converted over. We just have to get the page and
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* offset to pass through to map_page
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*/
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static inline dma_addr_t dma_map_single_attrs(struct device *dev,
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void *cpu_addr,
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size_t size,
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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return dma_ops->map_page(dev, virt_to_page(cpu_addr),
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(unsigned long)cpu_addr % PAGE_SIZE, size,
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direction, attrs);
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}
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static inline void dma_unmap_single_attrs(struct device *dev,
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dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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dma_ops->unmap_page(dev, dma_addr, size, direction, attrs);
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}
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static inline dma_addr_t dma_map_page_attrs(struct device *dev,
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struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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return dma_ops->map_page(dev, page, offset, size, direction, attrs);
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}
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static inline void dma_unmap_page_attrs(struct device *dev,
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dma_addr_t dma_address,
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size_t size,
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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dma_ops->unmap_page(dev, dma_address, size, direction, attrs);
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}
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static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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return dma_ops->map_sg(dev, sg, nents, direction, attrs);
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}
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static inline void dma_unmap_sg_attrs(struct device *dev,
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struct scatterlist *sg,
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int nhwentries,
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enum dma_data_direction direction,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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dma_ops->unmap_sg(dev, sg, nhwentries, direction, attrs);
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}
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static inline void *dma_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag)
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{
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@ -216,161 +141,6 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
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dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
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}
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static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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return dma_map_single_attrs(dev, cpu_addr, size, direction, NULL);
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}
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static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_unmap_single_attrs(dev, dma_addr, size, direction, NULL);
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}
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static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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return dma_map_page_attrs(dev, page, offset, size, direction, NULL);
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}
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static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_unmap_page_attrs(dev, dma_address, size, direction, NULL);
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}
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static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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{
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return dma_map_sg_attrs(dev, sg, nents, direction, NULL);
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}
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static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
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int nhwentries,
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enum dma_data_direction direction)
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{
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dma_unmap_sg_attrs(dev, sg, nhwentries, direction, NULL);
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}
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#ifdef CONFIG_PPC_NEED_DMA_SYNC_OPS
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static inline void dma_sync_single_for_cpu(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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if (dma_ops->sync_single_range_for_cpu)
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dma_ops->sync_single_range_for_cpu(dev, dma_handle, 0,
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size, direction);
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}
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static inline void dma_sync_single_for_device(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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if (dma_ops->sync_single_range_for_device)
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dma_ops->sync_single_range_for_device(dev, dma_handle,
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0, size, direction);
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}
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static inline void dma_sync_sg_for_cpu(struct device *dev,
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struct scatterlist *sgl, int nents,
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enum dma_data_direction direction)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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if (dma_ops->sync_sg_for_cpu)
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dma_ops->sync_sg_for_cpu(dev, sgl, nents, direction);
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}
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static inline void dma_sync_sg_for_device(struct device *dev,
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struct scatterlist *sgl, int nents,
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enum dma_data_direction direction)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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if (dma_ops->sync_sg_for_device)
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dma_ops->sync_sg_for_device(dev, sgl, nents, direction);
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}
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static inline void dma_sync_single_range_for_cpu(struct device *dev,
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dma_addr_t dma_handle, unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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if (dma_ops->sync_single_range_for_cpu)
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dma_ops->sync_single_range_for_cpu(dev, dma_handle,
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offset, size, direction);
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}
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static inline void dma_sync_single_range_for_device(struct device *dev,
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dma_addr_t dma_handle, unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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struct dma_map_ops *dma_ops = get_dma_ops(dev);
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BUG_ON(!dma_ops);
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if (dma_ops->sync_single_range_for_device)
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dma_ops->sync_single_range_for_device(dev, dma_handle, offset,
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size, direction);
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}
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#else /* CONFIG_PPC_NEED_DMA_SYNC_OPS */
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static inline void dma_sync_single_for_cpu(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction)
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{
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}
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static inline void dma_sync_single_for_device(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction)
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{
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}
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static inline void dma_sync_sg_for_cpu(struct device *dev,
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struct scatterlist *sgl, int nents,
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enum dma_data_direction direction)
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{
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}
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static inline void dma_sync_sg_for_device(struct device *dev,
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struct scatterlist *sgl, int nents,
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enum dma_data_direction direction)
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{
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}
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static inline void dma_sync_single_range_for_cpu(struct device *dev,
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dma_addr_t dma_handle, unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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}
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static inline void dma_sync_single_range_for_device(struct device *dev,
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dma_addr_t dma_handle, unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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}
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#endif
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static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
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{
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#ifdef CONFIG_PPC64
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