From: Daniel Mack <daniel@zonque.org>
To: Mark Brown <broonie@kernel.org>
Cc: brian.austin@cirrus.com, subaparts@yandex.ru,
alsa-devel@alsa-project.org, Paul.Handrigan@cirrus.com
Subject: Re: [PATCH] ASoC: cs4271: free reset gpio in cs4271_remove()
Date: Wed, 19 Feb 2014 12:24:23 +0100 [thread overview]
Message-ID: <53049467.60106@zonque.org> (raw)
In-Reply-To: <20140219111529.GI2669@sirena.org.uk>
On 02/19/2014 12:15 PM, Mark Brown wrote:
> On Wed, Feb 19, 2014 at 12:07:12PM +0100, Daniel Mack wrote:
>
>> + if (gpio_is_valid(cs4271->gpio_nreset)) {
>> /* Set codec to the reset state */
>> gpio_set_value(cs4271->gpio_nreset, 0);
>> + devm_gpio_free(codec->dev, cs4271->gpio_nreset);
>> + }
>
> If it's being requested as a managed resource shouldn't it be being
> freed automatically?
>
Nope, as the module itself will not go away necessarily. I hit the bug
when unloading and reloading the machine driver. cs4271_probe(codec)
will fail to acquire and drive the reset line, and the codec stays in reset.
Daniel
next prev parent reply other threads:[~2014-02-19 11:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-19 11:07 [PATCH] ASoC: cs4271: free reset gpio in cs4271_remove() Daniel Mack
2014-02-19 11:15 ` Mark Brown
2014-02-19 11:24 ` Daniel Mack [this message]
2014-02-19 11:43 ` Mark Brown
2014-02-19 12:09 ` Daniel Mack
2014-02-19 14:00 ` Mark Brown
2014-02-19 11:43 ` Lars-Peter Clausen
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