From: Dmitry Osipenko <digetx@gmail.com>
To: Nicolin Chen <nicoleotsuka@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>
Cc: linux-kernel@vger.kernel.org, krzk@kernel.org,
jonathanh@nvidia.com, iommu@lists.linux-foundation.org,
linux-tegra@vger.kernel.org
Subject: Re: [PATCH 3/5] iommu/tegra-smmu: Use iommu_fwspec in .probe_/.attach_device()
Date: Tue, 29 Sep 2020 07:06:37 +0300 [thread overview]
Message-ID: <2a38018a-3f95-74da-6dc1-270efc26a8fb@gmail.com> (raw)
In-Reply-To: <20200928221829.GB15720@Asurada-Nvidia>
...
>> As I mentioned in another reply, I think tegra_smmu_find() should be all
>> you need in this case.
>
> This function is used by .probe_device() where its dev pointer is
> an SMMU client. IIUC, tegra_smmu_find() needs np pointer of "mc".
> For a PCI device that doesn't have a DT node with iommus property,
> not sure how we can use tegra_smmu_find().
Perhaps you could get np from struct pci_dev.bus?
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Osipenko <digetx@gmail.com>
To: Nicolin Chen <nicoleotsuka@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>
Cc: linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, krzk@kernel.org,
jonathanh@nvidia.com
Subject: Re: [PATCH 3/5] iommu/tegra-smmu: Use iommu_fwspec in .probe_/.attach_device()
Date: Tue, 29 Sep 2020 07:06:37 +0300 [thread overview]
Message-ID: <2a38018a-3f95-74da-6dc1-270efc26a8fb@gmail.com> (raw)
In-Reply-To: <20200928221829.GB15720@Asurada-Nvidia>
...
>> As I mentioned in another reply, I think tegra_smmu_find() should be all
>> you need in this case.
>
> This function is used by .probe_device() where its dev pointer is
> an SMMU client. IIUC, tegra_smmu_find() needs np pointer of "mc".
> For a PCI device that doesn't have a DT node with iommus property,
> not sure how we can use tegra_smmu_find().
Perhaps you could get np from struct pci_dev.bus?
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-09-29 4:06 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-26 8:07 [PATCH 0/5] iommu/tegra-smmu: Adding PCI support and mappings debugfs node Nicolin Chen
2020-09-26 8:07 ` Nicolin Chen
2020-09-26 8:07 ` [PATCH 1/5] iommu/tegra-smmu: Unwrap tegra_smmu_group_get Nicolin Chen
2020-09-26 8:07 ` Nicolin Chen
2020-09-28 7:13 ` Thierry Reding
2020-09-28 7:13 ` Thierry Reding
2020-09-28 19:33 ` Nicolin Chen
2020-09-28 19:33 ` Nicolin Chen
2020-09-26 8:07 ` [PATCH 2/5] iommu/tegra-smmu: Expend mutex protection range Nicolin Chen
2020-09-26 8:07 ` Nicolin Chen
2020-09-26 8:07 ` [PATCH 3/5] iommu/tegra-smmu: Use iommu_fwspec in .probe_/.attach_device() Nicolin Chen
2020-09-26 8:07 ` Nicolin Chen
2020-09-26 14:48 ` Dmitry Osipenko
2020-09-26 14:48 ` Dmitry Osipenko
2020-09-26 20:42 ` Nicolin Chen
2020-09-26 20:42 ` Nicolin Chen
2020-09-28 7:29 ` Thierry Reding
2020-09-28 7:29 ` Thierry Reding
2020-09-28 7:52 ` Thierry Reding
2020-09-28 7:52 ` Thierry Reding
2020-09-28 22:18 ` Nicolin Chen
2020-09-28 22:18 ` Nicolin Chen
2020-09-29 4:06 ` Dmitry Osipenko [this message]
2020-09-29 4:06 ` Dmitry Osipenko
2020-09-29 5:36 ` Nicolin Chen
2020-09-29 5:36 ` Nicolin Chen
2020-09-26 8:07 ` [PATCH 4/5] iommu/tegra-smmu: Add PCI support Nicolin Chen
2020-09-26 8:07 ` Nicolin Chen
2020-09-26 22:18 ` Dmitry Osipenko
2020-09-26 22:18 ` Dmitry Osipenko
2020-09-28 22:31 ` Nicolin Chen
2020-09-28 22:31 ` Nicolin Chen
2020-09-28 7:55 ` Thierry Reding
2020-09-28 7:55 ` Thierry Reding
2020-09-28 22:33 ` Nicolin Chen
2020-09-28 22:33 ` Nicolin Chen
2020-09-26 8:07 ` [PATCH 5/5] iommu/tegra-smmu: Add pagetable mappings to debugfs Nicolin Chen
2020-09-26 8:07 ` Nicolin Chen
2020-09-26 14:48 ` Dmitry Osipenko
2020-09-26 14:48 ` Dmitry Osipenko
2020-09-26 20:47 ` Nicolin Chen
2020-09-26 20:47 ` Nicolin Chen
2020-09-26 21:41 ` Dmitry Osipenko
2020-09-26 21:41 ` Dmitry Osipenko
2020-09-26 21:24 ` Dmitry Osipenko
2020-09-26 21:24 ` Dmitry Osipenko
2020-09-26 21:37 ` Dmitry Osipenko
2020-09-26 21:37 ` Dmitry Osipenko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2a38018a-3f95-74da-6dc1-270efc26a8fb@gmail.com \
--to=digetx@gmail.com \
--cc=iommu@lists.linux-foundation.org \
--cc=jonathanh@nvidia.com \
--cc=krzk@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=nicoleotsuka@gmail.com \
--cc=thierry.reding@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.