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Unicore32: adapt for dma_map_ops changes
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Adapt core Unicore32 architecture code for dma_map_ops changes: replace
alloc/free_coherent with generic alloc/free methods.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
[added swiotlb_alloc/free_coherent wrappers]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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Andrzej Pietrasiewicz authored and Marek Szyprowski committed Mar 28, 2012
1 parent 988624e commit ffc4a3f
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Showing 2 changed files with 28 additions and 8 deletions.
18 changes: 12 additions & 6 deletions arch/unicore32/include/asm/dma-mapping.h
Original file line number Diff line number Diff line change
Expand Up @@ -82,20 +82,26 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
return 0;
}

static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)

static inline void *dma_alloc_attrs(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag,
struct dma_attrs *attrs)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);

return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
return dma_ops->alloc(dev, size, dma_handle, flag, attrs);
}

static inline void dma_free_coherent(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_handle)
#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)

static inline void dma_free_attrs(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_handle,
struct dma_attrs *attrs)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);

dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
dma_ops->free(dev, size, cpu_addr, dma_handle, attrs);
}

#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
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18 changes: 16 additions & 2 deletions arch/unicore32/mm/dma-swiotlb.c
Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,23 @@

#include <asm/dma.h>

static void *unicore_swiotlb_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flags,
struct dma_attrs *attrs)
{
return swiotlb_alloc_coherent(dev, size, dma_handle, flags);
}

static void unicore_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_addr,
struct dma_attrs *attrs)
{
swiotlb_free_coherent(dev, size, vaddr, dma_addr);
}

struct dma_map_ops swiotlb_dma_map_ops = {
.alloc_coherent = swiotlb_alloc_coherent,
.free_coherent = swiotlb_free_coherent,
.alloc = unicore_swiotlb_alloc_coherent,
.free = unicore_swiotlb_free_coherent,
.map_sg = swiotlb_map_sg_attrs,
.unmap_sg = swiotlb_unmap_sg_attrs,
.dma_supported = swiotlb_dma_supported,
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