Release 4.9 arch/sparc/include/asm/dma-mapping.h

#ifndef ___ASM_SPARC_DMA_MAPPING_H

#define ___ASM_SPARC_DMA_MAPPING_H

#include <linux/scatterlist.h>
#include <linux/mm.h>
#include <linux/dma-debug.h>


#define DMA_ERROR_CODE	(~(dma_addr_t)0x0)


#define HAVE_ARCH_DMA_SUPPORTED 1
int dma_supported(struct device *dev, u64 mask);



static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
				  enum dma_data_direction dir)
{
	/* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this
         * routine can be a nop.
         */
}

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extern struct dma_map_ops *dma_ops;
extern struct dma_map_ops *leon_dma_ops;
extern struct dma_map_ops pci32_dma_ops;

extern struct bus_type pci_bus_type;



static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
#ifdef CONFIG_SPARC_LEON
	if (sparc_cpu_model == sparc_leon)
		return leon_dma_ops;
#endif
#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
	if (dev->bus == &pci_bus_type)
		return &pci32_dma_ops;
#endif
	return dma_ops;
}

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#endif
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Directory: arch/sparc/include/asm