linux-kernel - Re: [PATCH RFC 1/7] regulator: devres: add APIs for reference supplies

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Message-ID: <8d98fab7-d73b-45c5-a46a-ace57907d25b@sirena.org.uk>
Date: Thu, 28 Mar 2024 20:25:31 +0000
From: Mark Brown <broonie@...nel.org>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: David Lechner <dlechner@...libre.com>, Jonathan Corbet <corbet@....net>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Support Opensource <support.opensource@...semi.com>,
	Cosmin Tanislav <cosmin.tanislav@...log.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Antoniu Miclaus <antoniu.miclaus@...log.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-hwmon@...r.kernel.org, linux-iio@...r.kernel.org,
	linux-staging@...ts.linux.dev, linux-input@...r.kernel.org
Subject: Re: [PATCH RFC 1/7] regulator: devres: add APIs for reference
 supplies

On Thu, Mar 28, 2024 at 01:17:52PM -0700, Dmitry Torokhov wrote:
> On Thu, Mar 28, 2024 at 06:18:32PM +0000, Mark Brown wrote:

> > I don't follow what you're saying here?  What normal APIs are not
> > available?  AFAICT this has nothing to do with a devm enable, it's a
> > combined operation which reports the voltage for the regulator if one is
> > available which would still be being added even if it used a devm
> > enable.

> You can not do devm_regulator_get_enable() and then call
> regulator_get_voltage(), you need a new combined API.

I think the theory here is that there are so many instances of this
reference voltage pattern that it's useful to have a helper for that
reason alone.

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