[PATCH v3 2/3] xen/arm: reimplement xen_dma_unmap_page & friends

[Stefano Stabellini]

On Fri, 1 Aug 2014, Stefano Stabellini wrote:
> +static void __xen_dma_page_dev_to_cpu(struct device *hwdev, dma_addr_t handle,
> +		size_t size, enum dma_data_direction dir)
> +{
> +	/* Cannot use __dma_page_dev_to_cpu because we don't have a
> +	 * struct page for handle */
> +
> +	if (dir == DMA_TO_DEVICE)

This should be:
    if (dir != DMA_TO_DEVICE)

Thomas, could you please confirm that with this small fix
http://pastebin.com/FPRf7pgL goes away?


> +		outer_inv_range(handle, handle + size);
> +
> +	dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_unmap_area);
> +}