arm64: Enable dma_mmap_nonconsistent



Now that the non-consistent behavior is fully integrated into the
dma mapping subsystem, allow user space to mmap nonconsistent dma
buffers.

Change-Id: I1b95ba9a1751e00a5812d9df582af20f316fcafe
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent 0a4d1ddb

include/linux/dma-mapping.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -855,7 +855,9 @@ static inline int dma_mmap_nonconsistent(struct device *dev,
		struct vm_area_struct vma, void cpu_addr,
		dma_addr_t dma_addr, size_t size)
		{
		return -ENODEV;
		unsigned long attrs = DMA_ATTR_NON_CONSISTENT;

		return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, attrs);
		}

		#if defined(CONFIG_NEED_DMA_MAP_STATE) \|\| defined(CONFIG_DMA_API_DEBUG)