From: "Rob Herring (Arm)" <robh@kernel.org>
To: Joy Zou <joy.zou@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>, Ye Li <ye.li@nxp.com>,
imx@lists.linux.dev, Shawn Guo <shawnguo@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Frank Li <Frank.Li@nxp.com>,
devicetree@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
linux-kernel@vger.kernel.org,
Sascha Hauer <s.hauer@pengutronix.de>,
Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>
Subject: Re: [PATCH v4 1/3] dt-bindings: dma: fsl-edma: add dma-channel-mask property description
Date: Wed, 11 Feb 2026 16:06:39 -0600 [thread overview]
Message-ID: <177084759873.3973046.826103980569808616.robh@kernel.org> (raw)
In-Reply-To: <20260211-b4-imx95-v2x-v4-1-10852754b267@nxp.com>
On Wed, 11 Feb 2026 17:28:24 +0800, Joy Zou wrote:
> Add documentation for the dma-channel-mask property in the fsl-edma
> binding. This property uses an inverted bit definition: bit value 0
> indicates the channel is available, while bit value 1 indicates
> unavailable.
>
> That was already used widely for i.MX8, i.MX9. Correcting the definition
> will break backward compatibility. This reversal only impacts the eDMA
> dts node and driver, and doesn't impact DMA consumer. Therefore,
> keep the inverted definition.
>
> Also add a note at the top of the binding to highlight this inverted
> definition to prevent confusion.
>
> Signed-off-by: Joy Zou <joy.zou@nxp.com>
> ---
> Documentation/devicetree/bindings/dma/fsl,edma.yaml | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-02-11 22:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-11 9:28 [PATCH v4 0/3] Reserve eDMA channels 0-1 for V2X Joy Zou
2026-02-11 9:28 ` [PATCH v4 1/3] dt-bindings: dma: fsl-edma: add dma-channel-mask property description Joy Zou
2026-02-11 15:34 ` Frank Li
2026-02-11 22:06 ` Rob Herring (Arm) [this message]
2026-06-05 10:44 ` Laurentiu Mihalcea
2026-06-05 15:32 ` Frank Li
2026-02-11 9:28 ` [PATCH v4 2/3] arm64: dts: imx95: Reserve eDMA channels 0-1 for V2X Joy Zou
2026-02-11 9:28 ` [PATCH v4 3/3] arm64: dts: imx95-evk: update the dma-channel-mask property Joy Zou
2026-02-24 20:32 ` (subset) [PATCH v4 0/3] Reserve eDMA channels 0-1 for V2X Frank Li
2026-06-10 19:08 ` Frank.Li
2026-06-11 15:01 ` Frank Li
2026-06-11 5:51 ` Vinod Koul
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=177084759873.3973046.826103980569808616.robh@kernel.org \
--to=robh@kernel.org \
--cc=Frank.Li@nxp.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=imx@lists.linux.dev \
--cc=joy.zou@nxp.com \
--cc=kernel@pengutronix.de \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peng.fan@nxp.com \
--cc=s.hauer@pengutronix.de \
--cc=shawnguo@kernel.org \
--cc=ye.li@nxp.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