linux-kernel - Re: [PATCH RFC v2 5/5] selftest: gpio: Add a new set-get config test

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Message-ID: <CACRpkdZONPzUOzYiN0+kd_wFdiF-2Vk+wKC1psmR8P9zF2c=AA@mail.gmail.com>
Date: Mon, 28 Oct 2024 15:37:39 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Nícolas F. R. A. Prado <nfraprado@...labora.com>, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Cc: Sean Wang <sean.wang@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Bamvor Jian Zhang <bamv2005@...il.com>, Shuah Khan <shuah@...nel.org>, kernel@...labora.com, 
	linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-kselftest@...r.kernel.org, kernelci@...ts.linux.dev
Subject: Re: [PATCH RFC v2 5/5] selftest: gpio: Add a new set-get config test

On Fri, Oct 25, 2024 at 9:46 PM Nícolas F. R. A. Prado
<nfraprado@...labora.com> wrote:

> Add a new kselftest that sets a configuration to a GPIO line and then
> gets it back to verify that it was correctly carried out by the driver.
>
> Setting a configuration is done through the GPIO uAPI, but retrieving it
> is done through the debugfs interface since that is the only place where
> it can be retrieved from userspace.
>
> The test reads the test plan from a YAML file, which includes the chips
> and pin settings to set and validate.
>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Bartosz needs to review this too.

It also looks good though, thanks for expanding the tests!

Yours,
Linus Walleij