linux-kernel - Re: [RFC PATCH v2 1/5] regulator: Add devm helpers for get and enable

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Date:   Thu, 6 Oct 2022 19:17:39 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Matti Vaittinen <mazziesaccount@...il.com>
Cc:     Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jagath Jog J <jagathjog1996@...il.com>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Cosmin Tanislav <demonsingur@...il.com>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 1/5] regulator: Add devm helpers for get and enable

On Thu, Oct 06, 2022 at 05:36:52PM +0300, Matti Vaittinen wrote:
> A few regulator consumer drivers seem to be just getting a regulator,
> enabling it and registering a devm-action to disable the regulator at
> the driver detach and then forget about it.
> 
> We can simplify this a bit by adding a devm-helper for this pattern.
> Add devm_regulator_get_enable() and devm_regulator_get_enable_optional()

...

> (cherry picked from commit b6058e052b842a19c8bb639798d8692cd0e7589f)

Not sure:
 - why this is in the commit message
 - what it points to, since
$ git show b6058e052b842a19c8bb639798d8692cd0e7589f
 fatal: bad object b6058e052b842a19c8bb639798d8692cd0e7589f

> Already in Mark's regulator tree. Not to be merged. Included just for
> the sake of the completeness. Will be dropped when series is rebased on
> top of the 6.1-rc1

Ah, I see, but does it mean the commit has been rebased or you used wrong SHA?

...

> +static void regulator_action_disable(void *d)
> +{
> +	struct regulator *r = (struct regulator *)d;

Cast is not needed.

> +	regulator_disable(r);
> +}

-- 
With Best Regards,
Andy Shevchenko