On 07-08-15, 13:12, Bartlomiej Zolnierkiewicz wrote:
> >From 993ebb6fc632ec7b61654c9610c90ff4dca4be34 Mon Sep 17 00:00:00 2001
> From: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> Date: Fri, 7 Aug 2015 13:07:51 +0200
> Subject: [PATCH] cpufreq-dt: make scaling_boost_freqs sysfs attr available
> when boost is enabled
>
> Make scaling_boost_freqs sysfs attribute is available when
> cpufreq-dt driver is used and boost support is enabled.
>
> Cc: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
> Cc: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
> Cc: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> Suggested-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> ---
> drivers/cpufreq/cpufreq-dt.c | 11 ++++++++++-
> include/linux/cpufreq.h | 1 +
> 2 files changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
> index b9259ab..c6a3b98 100644
> --- a/drivers/cpufreq/cpufreq-dt.c
> +++ b/drivers/cpufreq/cpufreq-dt.c
> @@ -36,6 +36,12 @@ struct private_data {
> unsigned int voltage_tolerance; /* in percentage */
> };
>
> +static struct freq_attr *cpufreq_dt_attr[] = {
> + &cpufreq_freq_attr_scaling_available_freqs,
> + NULL, /* Extra space for boost-attr if required */
> + NULL,
> +};
> +
> static int set_target(struct cpufreq_policy *policy, unsigned int index)
> {
> struct dev_pm_opp *opp;
> @@ -182,6 +188,8 @@ try_again:
> return ret;
> }
>
> +static struct cpufreq_driver dt_cpufreq_driver;
> +
> static int cpufreq_init(struct cpufreq_policy *policy)
> {
> struct cpufreq_frequency_table *freq_table;
> @@ -336,6 +344,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
> ret = cpufreq_enable_boost_support();
> if (ret)
> goto out_free_cpufreq_table;
> + cpufreq_dt_attr[1] = &cpufreq_freq_attr_scaling_boost_freqs;
> }
>
> policy->cpuinfo.transition_latency = transition_latency;
> @@ -411,7 +420,7 @@ static struct cpufreq_driver dt_cpufreq_driver = {
> .exit = cpufreq_exit,
> .ready = cpufreq_ready,
> .name = "cpufreq-dt",
> - .attr = cpufreq_generic_attr,
> + .attr = cpufreq_dt_attr,
> };
>
> static int dt_cpufreq_probe(struct platform_device *pdev)
> diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
> index 95f0186..657542d 100644
> --- a/include/linux/cpufreq.h
> +++ b/include/linux/cpufreq.h
> @@ -609,6 +609,7 @@ struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu);
>
> /* the following are really really optional */
> extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
> +extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs;
> extern struct freq_attr *cpufreq_generic_attr[];
> int cpufreq_table_validate_and_show(struct cpufreq_policy *policy,
> struct cpufreq_frequency_table *table);
Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
--
viresh
--
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