linux-kernel - Re: [PATCH 1/2] iio: adc: mcp320x: use device managed functions

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Message-ID: <CAHp75Vf4C0hauoT7F26zS7815Cps=W3o1_HHmWKVbrUi90FcrQ@mail.gmail.com>
Date:   Thu, 25 Aug 2022 23:01:58 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Vincent Whitchurch <vincent.whitchurch@...s.com>
Cc:     Jonathan Cameron <jic23@...nel.org>, kernel@...s.com,
        Lars-Peter Clausen <lars@...afoo.de>, axel.jonsson@...s.com,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] iio: adc: mcp320x: use device managed functions

On Wed, Aug 24, 2022 at 1:46 PM Vincent Whitchurch
<vincent.whitchurch@...s.com> wrote:
>
> Use devm_* functions in probe to remove some code and to make it easier
> to add further calls to the probe function.

...

> +       mutex_init(&adc->lock);

> +       return devm_iio_device_register(&spi->dev, indio_dev);

Do you still need to destroy the mutex? If so, you may not call devm_
variant of iio_device_register() or you have to wrap mutex_destroy()
accordingly.

-- 
With Best Regards,
Andy Shevchenko