linux-kernel - Re: [PATCH] PM / devfreq: tegra: Register governor on module init

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Message-ID: <20150330150828.GA18428@ulmo.nvidia.com>
Date:	Mon, 30 Mar 2015 17:08:30 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Alexandre Courbot <gnurou@...il.com>, linux-pm@...r.kernel.org
Subject: Re: [PATCH] PM / devfreq: tegra: Register governor on module init

On Mon, Mar 30, 2015 at 02:54:38PM +0200, Tomeu Vizoso wrote:
[...]
> +static int __init tegra_devfreq_init(void)
> +{
> +	int ret = 0;
> +
> +	ret = devfreq_add_governor(&tegra_devfreq_governor);
> +	if (ret) {
> +		pr_err("%s: failed to add governor: %d\n", __func__, ret);
> +		return ret;
> +	}
> +
> +	return platform_driver_register(&tegra_devfreq_driver);

Shouldn't you remove the governor on driver registration failure?

Thierry

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