Re: [PATCH v5 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device()
From: Dmitry Osipenko
Date: Sat Oct 03 2020 - 10:06:05 EST
03.10.2020 09:59, Nicolin Chen пишет:
> ubuntu@jetson:~$ dmesg | grep iommu
> iommu: Default domain type: Translated
> tegra-i2c 7000c400.i2c: Adding to iommu group 0
> tegra-i2c 7000c500.i2c: Adding to iommu group 0
> tegra-i2c 7000d000.i2c: Adding to iommu group 0
> tegra-pcie 1003000.pcie: Adding to iommu group 1
Could you please explain how you got I2C into IOMMU?
Are you testing vanilla upstream kerne? Upstream DT doesn't assign AHB
group to I2C controllers, nor to APB DMA controller.