提交 35e0be88 编写于 作者: S Stefano Stabellini 提交者: David Vrabel

xen/arm: remove outer_*_range call

Dom0 is not actually capable of issuing outer_inv_range or
outer_clean_range calls.
Signed-off-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: NIan Campbell <ian.campbell@citrix.com>
Reviewed-by: NCatalin Marinas <catalin.marinas@arm.com>
上级 e9e87eb3
......@@ -61,9 +61,6 @@ static void __xen_dma_page_dev_to_cpu(struct device *hwdev, dma_addr_t handle,
/* Cannot use __dma_page_dev_to_cpu because we don't have a
* struct page for handle */
if (dir != DMA_TO_DEVICE)
outer_inv_range(handle, handle + size);
dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_unmap_area);
}
......@@ -72,12 +69,6 @@ static void __xen_dma_page_cpu_to_dev(struct device *hwdev, dma_addr_t handle,
{
dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_map_area);
if (dir == DMA_FROM_DEVICE) {
outer_inv_range(handle, handle + size);
} else {
outer_clean_range(handle, handle + size);
}
}
void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
......
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