[PATCH] ARM: dma-mapping: support non-consistent DMA attribute

[Russell King - ARM Linux]

On Tue, Feb 24, 2015 at 02:45:03PM -0600, Daniel Drake wrote:
> Currently when arm_dma_mmap() is called, vm_page_prot is reset
> according to DMA attributes. Currently, writecombine is the
> only attribute supported; any other configuration will map uncached
> memory.
> 
> Add support for the non-consistent attribute so that cachable memory
> can be mapped into userspace via the dma_mmap_attrs() API.

What is your use-case for this?

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