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Date: Wed, 27 Sep 2017 16:56:46 +0200
From: Joerg Roedel <joro@8bytes.org>
To: Yong Wu <yong.wu@mediatek.com>
Cc: Robin Murphy <robin.murphy@arm.com>, Will Deacon <will.deacon@arm.com>,
        linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        iommu@lists.linux-foundation.org
Subject: Re: [PATCH] iommu/io-pgtable-arm-v7s: Need dma-sync while there is
 no QUIRK_NO_DMA
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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@mediatek.com>

Applied to iommu/fixes, thanks.