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| Started by | Joerg Roedel <joro@8bytes.org> |
|---|---|
| First post | 2017-09-27 17:00 +0200 |
| Last post | 2017-09-27 17:00 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH] iommu/io-pgtable-arm-v7s: Need dma-sync while there is no QUIRK_NO_DMA Joerg Roedel <joro@8bytes.org> - 2017-09-27 17:00 +0200
| From | Joerg Roedel <joro@8bytes.org> |
|---|---|
| Date | 2017-09-27 17:00 +0200 |
| Subject | Re: [PATCH] iommu/io-pgtable-arm-v7s: Need dma-sync while there is no QUIRK_NO_DMA |
| Message-ID | <uulYC-4wg-11@gated-at.bofh.it> |
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.
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