[PATCH v2 1/4] ARM: dma-mapping: define ARCH_HAS_DMA_MMAP_COHERENT

Hideki EIRAKU hdk at igel.co.jp
Thu Jul 26 07:13:08 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)
 static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
 				  void *cpu_addr, dma_addr_t dma_addr,

More information about the linux-arm-kernel mailing list