Re: [PATCH] iommu/io-pgtable-arm-v7s: Need dma-sync while there is no QUIRK_NO_DMA
From: Joerg Roedel
Date: Wed Sep 27 2017 - 10:56:56 EST
On Mon, Sep 25, 2017 at 05:28:47PM +0800, Yong Wu wrote:
> Fix the commit 81b3c2521844 ("iommu/io-pgtable: Introduce explicit
> coherency"). If there is no IO_PGTABLE_QUIRK_NO_DMA, we should call
> dma_sync_single_for_device for cache synchronization.
>
> Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
Applied to iommu/fixes, thanks.