lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <9b43da0b-61e1-49bb-acc2-392de3817db7@roeck-us.net>
Date: Tue, 25 Nov 2025 08:37:20 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: "H. Nikolaus Schaller" <hns@...delico.com>,
 Romain Gantois <romain.gantois@...tlin.com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Jonathan Cameron <jic23@...nel.org>,
 David Lechner <dlechner@...libre.com>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-iio@...r.kernel.org, Conor Dooley <conor.dooley@...rochip.com>,
 MyungJoo Ham <myungjoo.ham@...sung.com>, Chanwoo Choi
 <cw00.choi@...sung.com>, Peter Rosin <peda@...ntia.se>,
 Mariel Tinaco <Mariel.Tinaco@...log.com>,
 Lars-Peter Clausen <lars@...afoo.de>,
 Michael Hennerich <Michael.Hennerich@...log.com>,
 Kevin Tsai <ktsai@...ellamicro.com>, Linus Walleij
 <linus.walleij@...aro.org>, Dmitry Torokhov <dmitry.torokhov@...il.com>,
 Eugen Hristev <eugen.hristev@...aro.org>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.org>,
 Sebastian Reichel <sre@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
 Support Opensource <support.opensource@...semi.com>,
 Paul Cercueil <paul@...pouillou.net>, Iskren Chernev <me@...ren.info>,
 Marek Szyprowski <m.szyprowski@...sung.com>,
 Matheus Castello <matheus@...tello.eng.br>,
 Saravanan Sekar <sravanhome@...il.com>,
 Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Casey Connolly <casey.connolly@...aro.org>, Pali Rohár
 <pali@...nel.org>, Orson Zhai <orsonzhai@...il.com>,
 Baolin Wang <baolin.wang@...ux.alibaba.com>,
 Chunyan Zhang <zhang.lyra@...il.com>, Amit Kucheria <amitk@...nel.org>,
 Thara Gopinath <thara.gopinath@...il.com>,
 "Rafael J. Wysocki" <rafael@...nel.org>,
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>,
 Lukasz Luba <lukasz.luba@....com>,
 Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
 Sylwester Nawrocki <s.nawrocki@...sung.com>,
 Olivier Moysan <olivier.moysan@...s.st.com>,
 Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Dixit Parmar <dixitparmar19@...il.com>, linux-hwmon@...r.kernel.org,
 linux-input@...r.kernel.org, linux-phy@...ts.infradead.org,
 linux-pm@...r.kernel.org, linux-mips@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 linux-arm-msm@...r.kernel.org, linux-sound@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 Andy Shevchenko <andriy.shevchenko@...el.com>
Subject: Re: [PATCH v4 0/6] Add support for the LTM8054 voltage regulator

On 11/25/25 02:25, H. Nikolaus Schaller wrote:
...
> Another suggestion: what extending the "regulator-fixed", "regulator-gpio",
> "regulator-fixed-clock" pattern by some "regulator-gpio-iio-dac-current-limiter"
> driver to make it independent of your specific chip?
> 
The name is terrible ;-), but that is what I would have suggested as well.
I don't see anything chip specific in this code. If there is a need for
a regulator driver which uses gpio to enable it and a DAC for current limiting,
it should be made generic.

> By the way, are you aware of this feature of the regulator-gpio driver?
> 
> https://elixir.bootlin.com/linux/v6.18-rc7/source/drivers/regulator/gpio-regulator.c#L97
> 
> Just to note: I am neither maintainer nor doing any decisions on this, just asking
> questions for curiosity and from experience and giving hints for alternative approaches,
> where I hope they help to find the really best solution.
> 
Same here.

Thanks,
Guenter


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ