Re: [PATCH v2 00/22] Unified SMMU driver among Tegra SoCs

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Hiroshi Doyu <hdoyu@xxxxxxxxxx> wrote @ Mon, 08 Jul 2013 11:47:36 +0300 (EEST):

> Hiroshi Doyu <hdoyu@xxxxxxxxxx> wrote @ Fri, 5 Jul 2013 12:44:35 +0200:
>
> > Hi,
> >
> > This series provides:
> >
> > (1) Unified SMMU driver among Tegra SoCs
> > (2) Multiple Address Space support(MASID) in IOMMU(SMMMU)
> > (3) Tegra IOMMU'able devices, most of platform devices are IOMMU'able.
> >
> > There's some discussion[1] about device population order, which can
> > solve the following patches.
> >
> >   [HACK] of: dev_node has struct device pointer
> >   ARM: tegra: Populate AHB/IOMMU earlier than others
> >
> > Also "ARM: dma-mapping: Drop GFP_COMP for DMA memory allocations" may
> > not be necessary by [2]
> >
> > Tested IOMMU functionality with T30 SD/MMC. Any further testing with
> > T114 and/or other devices would be really appreciated.
>
> For tegra device driver maintainers, please try this series to make
> your device work with IOMMU enabled. I guess that some of drivers may
> need to set its swgroup ID correctly in DT, and also you may need to
> check the usage of DMA mapping API correctly. For your convenience,
> you can get this series by git fetch:
>
> git://nv-tegra.nvidia.com/user/hdoyu/linux.git smmu-upstreaming@20130705

Sorry for the delay of v3, I'm preparing v3. I will send them out early Oct.
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