From: Dmitry Osipenko <digetx@gmail.com>
To: Mark Brown <broonie@kernel.org>,
Krishna Yarlagadda <kyarlagadda@nvidia.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
Laxman Dewangan <ldewangan@nvidia.com>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Sowjanya Komatineni <skomatineni@nvidia.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] spi: tegra210-quad: add acpi support
Date: Tue, 30 Nov 2021 17:14:07 +0300 [thread overview]
Message-ID: <f6c68e0a-eaa9-12a8-cc44-84b13592c1d9@gmail.com> (raw)
In-Reply-To: <YaYhtFnHlZob9s0J@sirena.org.uk>
30.11.2021 16:05, Mark Brown пишет:
> On Tue, Nov 30, 2021 at 01:50:07AM +0000, Krishna Yarlagadda wrote:
>
>>> That said frankly I'd expect this handling of ACPI reset to be pushed into the
>>> reset code, it's obviously not good to be open coding this in drivers when this
>>> looks like it's completely generic to any ACPI object so shouldn't be being
>>> open coded in individual driers especially with the ifdefery. Shouldn't the
>>> reset API be able to figure out that an object with _RST has a reset control
>>> and provide access to it through the reset API?
>
>> Common reset apis are not handling _RST. Each driver is implementing
>> _RST method in ACPI and calling from drivers.
I see only two or three other drivers in kernel which do that.
> I can see that. What I'm saying is that this seems bad and we should
> instead be implementing this in common code.
>
The ifdefery, that this patch has, shouldn't be needed. We have a
similar ACPI patch for Tegra I2C [1] and it doesn't have that.
[1]
https://patchwork.ozlabs.org/project/linux-tegra/patch/1637859224-5179-1-git-send-email-akhilrajeev@nvidia.com/
I assume this patch could be reworked similarly to the I2C patch.
Agree that should be better to have a common reset driver for ACPI
instead of polluting each driver with a boilerplate code.
next prev parent reply other threads:[~2021-11-30 14:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-25 9:55 [PATCH 1/2] spi: tegra210-quad: use devm call for cdata memory Krishna Yarlagadda
2021-11-25 9:55 ` [PATCH 2/2] spi: tegra210-quad: add acpi support Krishna Yarlagadda
2021-11-25 12:59 ` Mark Brown
2021-11-29 9:09 ` Krishna Yarlagadda
2021-11-29 12:27 ` Mark Brown
2021-11-30 1:50 ` Krishna Yarlagadda
2021-11-30 13:05 ` Mark Brown
2021-11-30 14:14 ` Dmitry Osipenko [this message]
2021-11-30 16:13 ` Mark Brown
2021-11-27 1:30 ` (subset) [PATCH 1/2] spi: tegra210-quad: use devm call for cdata memory Mark Brown
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=f6c68e0a-eaa9-12a8-cc44-84b13592c1d9@gmail.com \
--to=digetx@gmail.com \
--cc=broonie@kernel.org \
--cc=jonathanh@nvidia.com \
--cc=kyarlagadda@nvidia.com \
--cc=ldewangan@nvidia.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=p.zabel@pengutronix.de \
--cc=skomatineni@nvidia.com \
--cc=thierry.reding@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;
as well as URLs for NNTP newsgroup(s).