From: Thierry Reding <thierry.reding@gmail.com>
To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Rob Herring <robh+dt@kernel.org>
Cc: Jon Hunter <jonathanh@nvidia.com>,
iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/4] dt-bindings: arm-smmu: Document nvidia,memory-controller property
Date: Wed, 16 Feb 2022 14:25:20 +0100 [thread overview]
Message-ID: <Ygz7QD4EJX3vZJtD@orome> (raw)
In-Reply-To: <20211209163600.609613-1-thierry.reding@gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 1056 bytes --]
On Thu, Dec 09, 2021 at 05:35:57PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
>
> On NVIDIA SoC's the ARM SMMU needs to interact with the memory
> controller in order to map memory clients to the corresponding stream
> IDs. Document how the nvidia,memory-controller property can be used to
> achieve this.
>
> Note that this is a backwards-incompatible change that is, however,
> necessary to ensure correctness. Without the new property, most of the
> devices would still work but it is not guaranteed that all will.
>
> Signed-off-by: Thierry Reding <treding@nvidia.com>
> ---
> Changes in v2:
> - clarify why the new nvidia,memory-controller property is required
>
> .../devicetree/bindings/iommu/arm,smmu.yaml | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
Hi Joerg,
can you pick up patches 1-3 of this series? DT bindings have been
reviewed by Rob and Will acked the ARM SMMU change. I can take the
device tree changes (patch 4) through the Tegra tree.
Thanks,
Thierry
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-02-16 13:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-09 16:35 [PATCH v2 1/4] dt-bindings: arm-smmu: Document nvidia, memory-controller property Thierry Reding
2021-12-09 16:35 ` [PATCH v2 2/4] dt-bindings: arm-smmu: Add compatible for Tegra234 SOC Thierry Reding
2021-12-09 16:35 ` [PATCH v2 3/4] iommu/arm-smmu: Support Tegra234 SMMU Thierry Reding
2021-12-13 18:18 ` Will Deacon
2021-12-09 16:36 ` [PATCH v2 4/4] arm64: tegra: Add Tegra234 IOMMUs Thierry Reding
2021-12-15 19:16 ` [PATCH v2 1/4] dt-bindings: arm-smmu: Document nvidia,memory-controller property Rob Herring
2022-02-16 13:25 ` Thierry Reding [this message]
2022-03-08 15:59 ` Thierry Reding
2022-03-09 12:43 ` Will Deacon
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=Ygz7QD4EJX3vZJtD@orome \
--to=thierry.reding@gmail.com \
--cc=devicetree@vger.kernel.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jonathanh@nvidia.com \
--cc=joro@8bytes.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-tegra@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=robin.murphy@arm.com \
--cc=will@kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox