linux-kernel - Re: [PATCH 3/3] hwmon: (lm75) Add regulator support

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Message-ID: <20200918100440.GB5703@sirena.org.uk>
Date:   Fri, 18 Sep 2020 11:04:40 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Alban Bedel <alban.bedel@...q.com>, linux-hwmon@...r.kernel.org,
        Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] hwmon: (lm75) Add regulator support

On Thu, Sep 17, 2020 at 10:33:37PM -0700, Guenter Roeck wrote:
> On 9/17/20 3:18 AM, Alban Bedel wrote:

> > +		err = regulator_enable(data->vs);

> How about device removal ? Don't you have to call regulator_disable()
> there as well ? If so, it might be best to use devm_add_action_or_reset()
> to register a disable function.

Yes, disables should be balanced (and any attempt to unregister the
regulator with references still held should result in a warning).

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