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Commit 9a4048a2 authored by Greg Ungerer's avatar Greg Ungerer
Browse files

m68k: swtich non-mmu setups to use the mmu dma-mapping.h 



The mmu version of dma-mapping.h (which is dma-mapping_mm.h) is clean
to be used for non-mmu setups as well. Remove dma-mapping_no.h and
revert dma-mapping_mm.h to dma-mapping.h

Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
Acked-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
parent 76fdb7d6

arch/m68k/include/asm/dma-mapping.h

+110 −3
Original line number Original line Diff line number Diff line 
#ifdef __uClinux__

#ifndef _M68K_DMA_MAPPING_H

#include "dma-mapping_no.h"

#define _M68K_DMA_MAPPING_H



#include <asm/cache.h>



struct scatterlist;



#ifndef CONFIG_MMU_SUN3

static inline int dma_supported(struct device *dev, u64 mask)

{

	return 1;

}



static inline int dma_set_mask(struct device *dev, u64 mask)

{

	return 0;

}



static inline int dma_get_cache_alignment(void)

{

	return 1 << L1_CACHE_SHIFT;

}



static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)

{

	return 0;

}



extern void *dma_alloc_coherent(struct device *, size_t,

				dma_addr_t *, gfp_t);

extern void dma_free_coherent(struct device *, size_t,

			      void *, dma_addr_t);



static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,

					  dma_addr_t *handle, gfp_t flag)

{

	return dma_alloc_coherent(dev, size, handle, flag);

}

static inline void dma_free_noncoherent(struct device *dev, size_t size,

					void *addr, dma_addr_t handle)

{

	dma_free_coherent(dev, size, addr, handle);

}

static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,

				  enum dma_data_direction dir)

{

	/* we use coherent allocation, so not much to do here. */

}



extern dma_addr_t dma_map_single(struct device *, void *, size_t,

				 enum dma_data_direction);

static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,

				    size_t size, enum dma_data_direction dir)

{

}



extern dma_addr_t dma_map_page(struct device *, struct page *,

			       unsigned long, size_t size,

			       enum dma_data_direction);

static inline void dma_unmap_page(struct device *dev, dma_addr_t address,

				  size_t size, enum dma_data_direction dir)

{

}



extern int dma_map_sg(struct device *, struct scatterlist *, int,

		      enum dma_data_direction);

static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,

				int nhwentries, enum dma_data_direction dir)

{

}



extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t,

				       enum dma_data_direction);

extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int,

				   enum dma_data_direction);



static inline void dma_sync_single_range_for_device(struct device *dev,

		dma_addr_t dma_handle, unsigned long offset, size_t size,

		enum dma_data_direction direction)

{

	/* just sync everything for now */

	dma_sync_single_for_device(dev, dma_handle, offset + size, direction);

}



static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle,

					   size_t size, enum dma_data_direction dir)

{

}



static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,

				       int nents, enum dma_data_direction dir)

{

}



static inline void dma_sync_single_range_for_cpu(struct device *dev,

		dma_addr_t dma_handle, unsigned long offset, size_t size,

		enum dma_data_direction direction)

{

	/* just sync everything for now */

	dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction);

}



static inline int dma_mapping_error(struct device *dev, dma_addr_t handle)

{

	return 0;

}



#else

#else

#include "dma-mapping_mm.h"

#include <asm-generic/dma-mapping-broken.h>

#endif

#endif



#endif  /* _M68K_DMA_MAPPING_H */

arch/m68k/include/asm/dma-mapping_mm.h

deleted100644 → 0
+0 −112
Original line number Original line Diff line number Diff line 
#ifndef _M68K_DMA_MAPPING_H

#define _M68K_DMA_MAPPING_H



#include <asm/cache.h>



struct scatterlist;



#ifndef CONFIG_MMU_SUN3

static inline int dma_supported(struct device *dev, u64 mask)

{

	return 1;

}



static inline int dma_set_mask(struct device *dev, u64 mask)

{

	return 0;

}



static inline int dma_get_cache_alignment(void)

{

	return 1 << L1_CACHE_SHIFT;

}



static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)

{

	return 0;

}



extern void *dma_alloc_coherent(struct device *, size_t,

				dma_addr_t *, gfp_t);

extern void dma_free_coherent(struct device *, size_t,

			      void *, dma_addr_t);



static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,

					  dma_addr_t *handle, gfp_t flag)

{

	return dma_alloc_coherent(dev, size, handle, flag);

}

static inline void dma_free_noncoherent(struct device *dev, size_t size,

					void *addr, dma_addr_t handle)

{

	dma_free_coherent(dev, size, addr, handle);

}

static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,

				  enum dma_data_direction dir)

{

	/* we use coherent allocation, so not much to do here. */

}



extern dma_addr_t dma_map_single(struct device *, void *, size_t,

				 enum dma_data_direction);

static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,

				    size_t size, enum dma_data_direction dir)

{

}



extern dma_addr_t dma_map_page(struct device *, struct page *,

			       unsigned long, size_t size,

			       enum dma_data_direction);

static inline void dma_unmap_page(struct device *dev, dma_addr_t address,

				  size_t size, enum dma_data_direction dir)

{

}



extern int dma_map_sg(struct device *, struct scatterlist *, int,

		      enum dma_data_direction);

static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,

				int nhwentries, enum dma_data_direction dir)

{

}



extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t,

				       enum dma_data_direction);

extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int,

				   enum dma_data_direction);



static inline void dma_sync_single_range_for_device(struct device *dev,

		dma_addr_t dma_handle, unsigned long offset, size_t size,

		enum dma_data_direction direction)

{

	/* just sync everything for now */

	dma_sync_single_for_device(dev, dma_handle, offset + size, direction);

}



static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle,

					   size_t size, enum dma_data_direction dir)

{

}



static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,

				       int nents, enum dma_data_direction dir)

{

}



static inline void dma_sync_single_range_for_cpu(struct device *dev,

		dma_addr_t dma_handle, unsigned long offset, size_t size,

		enum dma_data_direction direction)

{

	/* just sync everything for now */

	dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction);

}



static inline int dma_mapping_error(struct device *dev, dma_addr_t handle)

{

	return 0;

}



#else

#include <asm-generic/dma-mapping-broken.h>

#endif



#endif  /* _M68K_DMA_MAPPING_H */

arch/m68k/include/asm/dma-mapping_no.h

deleted100644 → 0
+0 −6
Original line number Original line Diff line number Diff line 
#ifndef _M68KNOMMU_DMA_MAPPING_H

#define _M68KNOMMU_DMA_MAPPING_H



#include <asm-generic/dma-mapping-broken.h>



#endif  /* _M68KNOMMU_DMA_MAPPING_H */