From: Thierry Reding <thierry.reding@gmail.com>
To: webgeek1234@gmail.com
Cc: Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Thierry Reding <thierry.reding@kernel.org>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] spi: dt-bindings: tegra: Support dma-coherent property for QSPI
Date: Wed, 20 May 2026 13:46:01 +0200 [thread overview]
Message-ID: <ag2cgvlmEoTZSh0a@orome> (raw)
In-Reply-To: <20260515-tegra194-qspi-iommu-v1-2-57dfb63cd3d6@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 577 bytes --]
On Fri, May 15, 2026 at 03:35:28PM -0500, Aaron Kling via B4 Relay wrote:
> From: Aaron Kling <webgeek1234@gmail.com>
>
> DMA coherency is supported by at least the Tegra194 and Tegra234
> controllers.
>
> Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
> ---
> Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml | 2 ++
> 1 file changed, 2 insertions(+)
Similarly, DMA coherency does not apply on Tegra194 because the device
itself does not perform DMA. dma-coherent should go on the DMA
controller's DT node, which it already is.
Thierry
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2026-05-20 11:46 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 20:35 [PATCH 0/3] arm64: tegra: Add iommu and dma properties for Tegra194 QSPI Aaron Kling via B4 Relay
2026-05-15 20:35 ` [PATCH 1/3] spi: dt-bindings: tegra: Support IOMMU property " Aaron Kling via B4 Relay
2026-05-15 20:43 ` sashiko-bot
2026-05-16 10:13 ` Krzysztof Kozlowski
2026-05-20 11:34 ` Thierry Reding
2026-05-15 20:35 ` [PATCH 2/3] spi: dt-bindings: tegra: Support dma-coherent property for QSPI Aaron Kling via B4 Relay
2026-05-15 20:51 ` sashiko-bot
2026-05-16 10:13 ` Krzysztof Kozlowski
2026-05-20 11:46 ` Thierry Reding [this message]
2026-05-15 20:35 ` [PATCH 3/3] arm64: tegra: Add iommu and dma properties for Tegra194 QSPI Aaron Kling via B4 Relay
2026-05-15 21:17 ` sashiko-bot
2026-05-20 11:49 ` Thierry Reding
2026-05-20 17:29 ` Aaron Kling
2026-05-19 14:43 ` [PATCH 0/3] " Jon Hunter
2026-05-19 15:50 ` Jon Hunter
2026-05-19 16:48 ` Aaron Kling
2026-05-19 18:36 ` Jon Hunter
2026-05-19 19:34 ` Jon Hunter
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=ag2cgvlmEoTZSh0a@orome \
--to=thierry.reding@gmail.com \
--cc=broonie@kernel.org \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=jonathanh@nvidia.com \
--cc=krzk+dt@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=robh@kernel.org \
--cc=thierry.reding@kernel.org \
--cc=webgeek1234@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox