From: Dmitry Osipenko <digetx@gmail.com>
To: Nicolin Chen <nicoleotsuka@gmail.com>,
thierry.reding@gmail.com, joro@8bytes.org
Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org, jonathanh@nvidia.com
Subject: Re: [PATCH v5 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device()
Date: Sat, 3 Oct 2020 17:05:52 +0300 [thread overview]
Message-ID: <97d69b0b-db32-08ff-0691-73cfa571f974@gmail.com> (raw)
In-Reply-To: <20201003065947.18671-3-nicoleotsuka@gmail.com>
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.
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next prev parent reply other threads:[~2020-10-03 14:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-03 6:59 [PATCH v5 0/3] iommu/tegra-smmu: Add PCI support Nicolin Chen
2020-10-03 6:59 ` [PATCH v5 1/3] iommu/tegra-smmu: Use fwspec in tegra_smmu_(de)attach_dev Nicolin Chen
2020-10-03 14:14 ` Dmitry Osipenko
2020-10-03 6:59 ` [PATCH v5 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device() Nicolin Chen
2020-10-03 14:05 ` Dmitry Osipenko [this message]
2020-10-04 22:04 ` Nicolin Chen
2020-10-03 14:06 ` Dmitry Osipenko
2020-10-04 21:57 ` Nicolin Chen
2020-10-05 8:41 ` Dmitry Osipenko
2020-10-05 10:56 ` Thierry Reding
2020-10-06 1:14 ` Nicolin Chen
2020-10-03 14:19 ` Dmitry Osipenko
2020-10-03 6:59 ` [PATCH v5 3/3] iommu/tegra-smmu: Add PCI support Nicolin Chen
2020-10-03 14:16 ` Dmitry Osipenko
2020-10-04 22:08 ` Nicolin Chen
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