linux-kernel - Re: [PATCH] cpufreq: exynos: Show list of available frequencies

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Date:	Tue, 8 Jan 2013 16:30:45 +0530
From:	Inderpal Singh <inderpal.singh@...aro.org>
To:	linux-pm@...ts.linux-foundation.org
Cc:	rjw@...k.pl, linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org, cpufreq@...r.kernel.org,
	kgene.kim@...sung.com, patches@...aro.org, dg77.kim@...sung.com,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	kyungmin.park@...sung.com
Subject: Re: [PATCH] cpufreq: exynos: Show list of available frequencies

+CC:
dg77.kim@...sung.com, myungjoo.ham@...sung.com, kyungmin.park@...sung.com

On 8 January 2013 16:20, Inderpal Singh <inderpal.singh@...aro.org> wrote:
> Add freq_attr attribute to show list of available frequencies.
>
> Signed-off-by: Donggeun Kim <dg77.kim@...sung.com>
> Signed-off-by: MyungJoo Ham <myungjoo.ham@...sung.com>
> Signed-off-by: KyungMin Park <kyungmin.park@...sung.com>
> Signed-off-by: Inderpal Singh <inderpal.singh@...aro.org>
> ---
>  drivers/cpufreq/exynos-cpufreq.c |   13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
> index 7012ea8..bc1e833 100644
> --- a/drivers/cpufreq/exynos-cpufreq.c
> +++ b/drivers/cpufreq/exynos-cpufreq.c
> @@ -244,13 +244,26 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy)
>         return cpufreq_frequency_table_cpuinfo(policy, exynos_info->freq_table);
>  }
>
> +static int exynos_cpufreq_cpu_exit(struct cpufreq_policy *policy)
> +{
> +       cpufreq_frequency_table_put_attr(policy->cpu);
> +       return 0;
> +}
> +
> +static struct freq_attr *exynos_cpufreq_attr[] = {
> +       &cpufreq_freq_attr_scaling_available_freqs,
> +       NULL,
> +};
> +
>  static struct cpufreq_driver exynos_driver = {
>         .flags          = CPUFREQ_STICKY,
>         .verify         = exynos_verify_speed,
>         .target         = exynos_target,
>         .get            = exynos_getspeed,
>         .init           = exynos_cpufreq_cpu_init,
> +       .exit           = exynos_cpufreq_cpu_exit,
>         .name           = "exynos_cpufreq",
> +       .attr           = exynos_cpufreq_attr,
>  #ifdef CONFIG_PM
>         .suspend        = exynos_cpufreq_suspend,
>         .resume         = exynos_cpufreq_resume,
> --
> 1.7.9.5
>
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