From mboxrd@z Thu Jan 1 00:00:00 1970 From: stefano.stabellini@eu.citrix.com (Stefano Stabellini) Date: Fri, 10 Oct 2014 12:51:43 +0100 Subject: [PATCH v4 2/7] xen/arm: remove outer_*_range call In-Reply-To: References: Message-ID: <1412941908-5850-2-git-send-email-stefano.stabellini@eu.citrix.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dom0 is not actually capable of issuing outer_inv_range or outer_clean_range calls. Signed-off-by: Stefano Stabellini --- arch/arm/xen/mm32.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/arch/arm/xen/mm32.c b/arch/arm/xen/mm32.c index a5a93fc..6153d61 100644 --- a/arch/arm/xen/mm32.c +++ b/arch/arm/xen/mm32.c @@ -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, -- 1.7.10.4