linux-kernel - Re: [PATCH v4 3/5] docs: admin-guide: gpio: rpmsg: gpio over rpmsg bus

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Message-ID: <0b5feeb5-87b6-4f26-b9df-a23159b977e7@infradead.org>
Date: Wed, 29 Oct 2025 13:46:57 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Shenwei Wang <shenwei.wang@....com>,
 Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski
 <brgl@...ev.pl>, Jonathan Corbet <corbet@....net>,
 Bjorn Andersson <andersson@...nel.org>,
 Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Peng Fan <peng.fan@....com>,
 linux-gpio@...r.kernel.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org,
 devicetree@...r.kernel.org, imx@...ts.linux.dev, linux-imx@....com
Subject: Re: [PATCH v4 3/5] docs: admin-guide: gpio: rpmsg: gpio over rpmsg
 bus

Hi--

On 10/29/25 12:56 PM, Shenwei Wang wrote:
> Describes the gpio rpmsg transport protocol over the rpmsg bus between
> the cores.
> 
> Signed-off-by: Shenwei Wang <shenwei.wang@....com>
> ---
>  Documentation/admin-guide/gpio/gpio-rpmsg.rst | 202 ++++++++++++++++++
>  Documentation/admin-guide/gpio/index.rst      |   1 +
>  2 files changed, 203 insertions(+)
>  create mode 100644 Documentation/admin-guide/gpio/gpio-rpmsg.rst
> 

I don't think this should be in admin-guide/gpio/.
How about in driver-api/gpio/?
That may not be perfect either, but transport protocols are not
typically admin material AFAIK.

> diff --git a/Documentation/admin-guide/gpio/index.rst b/Documentation/admin-guide/gpio/index.rst
> index 712f379731cb..9c8f4441038a 100644
> --- a/Documentation/admin-guide/gpio/index.rst
> +++ b/Documentation/admin-guide/gpio/index.rst
> @@ -9,6 +9,7 @@ GPIO
>  
>      Character Device Userspace API <../../userspace-api/gpio/chardev>
>      gpio-aggregator
> +    gpio-rpmsg
>      gpio-sim
>      gpio-virtuser
>      Obsolete APIs <obsolete>
If someone thinks that it should be in admin-guide/,please explain why.

Thanks.
-- 
~Randy