Custom Search

[PATCH] Hexagon: adapt for dma_map_ops changes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>


This patch adds Hexagon architecture to the DMA-mapping framework
redesign preparation patches. For more information please refer to the
following thread:

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);
-	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);
-	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,

To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at

[Linux Kernel]     [Sparc Linux]     [DCCP]     [Linux ARM]     [Linux]     [Photo]     [Yosemite News]     [Linux SCSI]     [Linux x86_64]     [Linux Hams]

  Powered by Linux