Adapt core Hexagon architecture code for dma_map_ops changes: replace alloc/free_coherent with generic alloc/free methods.
Signed-off-by: Marek Szyprowski m.szyprowski@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com ---
Hello,
This patch adds Hexagon architecture to the DMA-mapping framework redesign preparation patches. For more information please refer to the following thread: https://lkml.org/lkml/2011/12/23/97
Best regards Marek Szyprowski Samsung Poland R&D Center --- arch/hexagon/include/asm/dma-mapping.h | 18 ++++++++++++------ arch/hexagon/kernel/dma.c | 9 +++++---- 2 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/arch/hexagon/include/asm/dma-mapping.h b/arch/hexagon/include/asm/dma-mapping.h index 448b224..233ed3d 100644 --- a/arch/hexagon/include/asm/dma-mapping.h +++ b/arch/hexagon/include/asm/dma-mapping.h @@ -71,29 +71,35 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return (dma_addr == bad_dma_address); }
-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) { void *ret; struct dma_map_ops *ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
- ret = ops->alloc_coherent(dev, size, dma_handle, flag); + ret = ops->alloc(dev, size, dma_handle, flag, attrs);
debug_dma_alloc_coherent(dev, size, *dma_handle, ret);
return ret; }
-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);
BUG_ON(!dma_ops);
- dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); + dma_ops->free(dev, size, cpu_addr, dma_handle, attrs);
debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); } diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index e711ace..3730221 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -54,7 +54,8 @@ static struct gen_pool *coherent_pool; /* Allocates from a pool of uncached memory that was reserved at boot time */
void *hexagon_dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addr, gfp_t flag) + dma_addr_t *dma_addr, gfp_t flag, + struct dma_attrs *attrs) { void *ret;
@@ -81,7 +82,7 @@ void *hexagon_dma_alloc_coherent(struct device *dev, size_t size, }
static void hexagon_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_addr) + dma_addr_t dma_addr, struct dma_attrs *attrs) { gen_pool_free(coherent_pool, (unsigned long) vaddr, size); } @@ -202,8 +203,8 @@ static void hexagon_sync_single_for_device(struct device *dev, }
struct dma_map_ops hexagon_dma_ops = { - .alloc_coherent = hexagon_dma_alloc_coherent, - .free_coherent = hexagon_free_coherent, + .alloc = hexagon_dma_alloc_coherent, + .free = hexagon_free_coherent, .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_cpu = hexagon_sync_single_for_cpu,