Re: [Linaro-mm-sig] [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 Szyprowskim.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.