[PATCH 1/2] dma-mapping: fix page attributes for dma_mmap_*

[Gavin Li]

>         /* create a coherent mapping */
>         ret = dma_common_contiguous_remap(page, size, VM_USERMAP,
> -                       arch_dma_mmap_pgprot(dev, PAGE_KERNEL, attrs),
> +                       dma_pgprot(dev, PAGE_KERNEL, attrs),
>                         __builtin_return_address(0));
>         if (!ret) {
>                 __dma_direct_free_pages(dev, size, page);

Is dma_common_contiguous_remap() still necessary in the
DMA_ATTR_NON_CONSISTENT case? I would presume it would be fine to just
return a linearly mapped address in that case.