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: Rob Herring <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Linus Walleij <[email protected]>
Signed-off-by: Grygorii Strashko <[email protected]>
Signed-off-by: Santosh Shilimkar <[email protected]>
---
arch/arm/include/asm/dma-mapping.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/include/asm/dma-mapping.h
b/arch/arm/include/asm/dma-mapping.h
index 8c12149..765c9e7 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -114,6 +114,13 @@ 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;
--
1.7.9.5
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