a7y18lte-ubports/android_kernel_samsung_universal7885
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xen/arm: remove outer_*_range call

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Dom0 is not actually capable of issuing outer_inv_range or
outer_clean_range calls.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Stefano Stabellini 2014-11-11 11:14:51 +00:00 committed by David Vrabel
parent e9e87eb3f9
commit 35e0be88c4
1 changed files with 0 additions and 9 deletions
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9
arch/arm/xen/mm32.c
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@ -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 /* Cannot use __dma_page_dev_to_cpu because we don't have a
* struct page for handle */ * 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); 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); 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, void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,