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Microblaze: adapt for dma_map_ops changes
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Adapt core Microblaze 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>
[fixed coding style issues]
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 552c0d3 commit 988624e
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Showing 2 changed files with 18 additions and 10 deletions.
18 changes: 12 additions & 6 deletions arch/microblaze/include/asm/dma-mapping.h
Original file line number Diff line number Diff line change
Expand Up @@ -123,28 +123,34 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)

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 *ops = get_dma_ops(dev);
void *memory;

BUG_ON(!ops);

memory = ops->alloc_coherent(dev, size, dma_handle, flag);
memory = ops->alloc(dev, size, dma_handle, flag, attrs);

debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
return memory;
}

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 *ops = get_dma_ops(dev);

BUG_ON(!ops);
debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
ops->free_coherent(dev, size, cpu_addr, dma_handle);
ops->free(dev, size, cpu_addr, dma_handle, attrs);
}

static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
Expand Down
10 changes: 6 additions & 4 deletions arch/microblaze/kernel/dma.c
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,8 @@ static unsigned long get_dma_direct_offset(struct device *dev)
#define NOT_COHERENT_CACHE

static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
dma_addr_t *dma_handle, gfp_t flag,
struct dma_attrs *attrs)
{
#ifdef NOT_COHERENT_CACHE
return consistent_alloc(flag, size, dma_handle);
Expand All @@ -57,7 +58,8 @@ static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
}

static void dma_direct_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle)
void *vaddr, dma_addr_t dma_handle,
struct dma_attrs *attrs)
{
#ifdef NOT_COHERENT_CACHE
consistent_free(size, vaddr);
Expand Down Expand Up @@ -176,8 +178,8 @@ dma_direct_sync_sg_for_device(struct device *dev,
}

struct dma_map_ops dma_direct_ops = {
.alloc_coherent = dma_direct_alloc_coherent,
.free_coherent = dma_direct_free_coherent,
.alloc = dma_direct_alloc_coherent,
.free = dma_direct_free_coherent,
.map_sg = dma_direct_map_sg,
.unmap_sg = dma_direct_unmap_sg,
.dma_supported = dma_direct_dma_supported,
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