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Re: [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture

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  Re: [RFC 3/3] iommu: dma-iommu: use common implementation also on  ARM architecture Mark yao <mark.yao@rock-chips.com> - 2016-04-18 04:30 +0200

#1380910 — Re: [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture

On 2016年02月19日 16:22, Marek Szyprowski wrote:
> This patch replaces ARM-specific IOMMU-based DMA-mapping implementation
> with generic IOMMU DMA-mapping code shared with ARM64 architecture. The
> side-effect of this change is a switch from bitmap-based IO address space
> management to tree-based code. There should be no functional changes
> for drivers, which rely on initialization from generic arch_setup_dna_ops()
> interface. Code, which used old arm_iommu_* functions must be updated to
> new interface.
>
> Signed-off-by: Marek Szyprowski<m.szyprowski@samsung.com>
IOMMU works good on drm/rockchip ARM64 platform with this patch. So

Tested-by: Mark Yao <mark.yao@rock-chips.com>

Thanks.

-- 
Ｍark Yao

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