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authorSantosh Shilimkar <[email protected]>2014-04-24 11:30:06 -0400
committerSantosh Shilimkar <[email protected]>2014-05-07 09:21:44 -0400
commit812b99e4b024d6f83e9281ec1a0bd4bf63dad90f (patch)
tree096f231a8f3a93910ec692c38b043edbd26aca72
parent6ce0d20016925d031f1e24d64302e4c976d7cec6 (diff)
ARM: dma: implement set_arch_dma_coherent_ops()
Implement the set_arch_dma_coherent_ops() for ARM architecture. Cc: Greg Kroah-Hartman <[email protected]> Cc: Russell King <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Olof Johansson <[email protected]> Cc: Grant Likely <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Linus Walleij <[email protected]> Reviewed-by: Rob Herring <[email protected]> Signed-off-by: Grygorii Strashko <[email protected]> Signed-off-by: Santosh Shilimkar <[email protected]>
-rw-r--r--arch/arm/include/asm/dma-mapping.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index b0c79fdd9375..c45b61a4b4a5 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -121,6 +121,13 @@ static inline unsigned long dma_max_pfn(struct device *dev)
}
#define dma_max_pfn(dev) dma_max_pfn(dev)
+static inline int set_arch_dma_coherent_ops(struct device *dev)
+{
+ set_dma_ops(dev, &arm_coherent_dma_ops);
+ return 0;
+}
+#define set_arch_dma_coherent_ops(dev) set_arch_dma_coherent_ops(dev)
+
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
unsigned int offset = paddr & ~PAGE_MASK;