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Commit 83c09531 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Alex Shi
Browse files

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.

Suggested-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 21c36d35711d24a7689b7fb9606ce78f3b4c3d3b)
Signed-off-by: default avatarAlex Shi <alex.shi@linaro.org>
parent 38eb08f9

drivers/cpufreq/cpufreq-dt.c

+8 −1
Original line number Diff line number Diff line
@@ -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;
@@ -336,6 +342,7 @@ 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 +418,7 @@ 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)

include/linux/cpufreq.h

+1 −0
Original line number Diff line number Diff line
@@ -605,6 +605,7 @@ 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);