[PATCH v3 1/4] ARM: dma-mapping: define ARCH_HAS_DMA_MMAP_COHERENT
Hideki EIRAKU
hdk at igel.co.jp
Mon Aug 6 05:55:21 EDT 2012
ARCH_HAS_DMA_MMAP_COHERENT indicates that there is dma_mmap_coherent() API
in this architecture. The name is already defined in PowerPC.
Signed-off-by: Hideki EIRAKU <hdk at igel.co.jp>
---
arch/arm/include/asm/dma-mapping.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index bbef15d..f41cd30 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -187,6 +187,7 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
struct dma_attrs *attrs);
#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL)
+#define ARCH_HAS_DMA_MMAP_COHERENT
static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr,
--
1.7.0.4
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