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From: Mark Brown <broonie@kernel.org>
To: Matti Vaittinen <mazziesaccount@gmail.com>
Cc: matti.vaittinen@fi.rohmeurope.com,
	Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 2/7] regulator: Add devm helpers for get and enable
Date: Wed, 10 Aug 2022 16:16:23 +0100	[thread overview]
Message-ID: <YvPLx5hizWMEBjVK@sirena.org.uk> (raw)
In-Reply-To: <e8900490-1eec-83d8-b190-6d6983d81c4a@gmail.com>

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On Wed, Aug 10, 2022 at 03:19:05PM +0300, Matti Vaittinen wrote:

> In order to tackle the issue the suggested API does not return handle to the
> regulators - it really just provides the "get'n enable, then forget"
> solution. The consumers who use the suggested API to "devm get'n enable"
> will have had time manually controlling the regulator afterwards as they
> will not get the handle. I would almost claim that the pattern we nowadays
> see (devm_get, enable, add_action_or_reset(disable())) is more error prone
> as users seem to in many case be storing the regulator handle w/o any
> comment about the automated disable at detach.

Hrm, right - that does help with that case.  However we do need a bulk 
version since that's an obvious problem case.

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  reply	other threads:[~2022-08-10 15:16 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-10 11:21 [RFC PATCH 0/7] Devm helpers for regulator " Matti Vaittinen
2022-08-10 11:29 ` [RFC PATCH 1/7] docs: devres: regulator: Add missing devm_* functions to devres.rst Matti Vaittinen
2022-08-10 11:29 ` [RFC PATCH 2/7] regulator: Add devm helpers for get and enable Matti Vaittinen
2022-08-10 11:56   ` Mark Brown
2022-08-10 12:19     ` Matti Vaittinen
2022-08-10 15:16       ` Mark Brown [this message]
2022-08-11  4:50         ` Matti Vaittinen
2022-08-10 11:30 ` [RFC PATCH 3/7] docs: devres: regulator: Add new get_enable functions to devres.rst Matti Vaittinen
2022-08-10 11:31 ` [RFC PATCH 4/7] clk: cdce925: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-08-10 11:31 ` [RFC PATCH 5/7] gpu: drm: meson: simplify using devm_regulator_get_enable_optional() Matti Vaittinen
2022-08-10 11:32 ` [RFC PATCH 6/7] hwmon: lm90: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-08-10 12:52   ` Guenter Roeck
2022-08-10 11:32 ` [RFC PATCH 7/7] adc: ad7192: " Matti Vaittinen

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