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Commit 49514829 authored by Deepak Katragadda's avatar Deepak Katragadda
Browse files

clk: qcom: clk-cpu-osm: Add the fast_switch cpufreq callback 



Implement and add the osm_cpufreq_fast_switch callback function
to allow CPU frequency switching from a scheduler context.

Change-Id: I6d3e365da97a93f69e5239b7d5a829568527c76f
Signed-off-by: default avatarDeepak Katragadda <dkatraga@codeaurora.org>
parent 8887fcbe

drivers/clk/qcom/clk-cpu-osm.c

+17 −0
Original line number Diff line number Diff line
@@ -499,6 +499,21 @@ osm_cpufreq_target_index(struct cpufreq_policy *policy, unsigned int index) 
	return 0;

}



static unsigned int

osm_cpufreq_fast_switch(struct cpufreq_policy *policy, unsigned int target_freq)

{

	int index;



	index = cpufreq_frequency_table_target(policy, target_freq,

							CPUFREQ_RELATION_L);

	if (index < 0)

		return 0;



	osm_cpufreq_target_index(policy, index);



	return policy->freq_table[index].frequency;

}



static unsigned int osm_cpufreq_get(unsigned int cpu)

{

	struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu);
@@ -581,6 +596,7 @@ static int osm_cpufreq_cpu_init(struct cpufreq_policy *policy) 
	}



	policy->dvfs_possible_from_any_cpu = true;

	policy->fast_switch_possible = true;

	policy->driver_data = c;

	return 0;
@@ -610,6 +626,7 @@ static struct cpufreq_driver qcom_osm_cpufreq_driver = { 
	.get		= osm_cpufreq_get,

	.init		= osm_cpufreq_cpu_init,

	.exit		= osm_cpufreq_cpu_exit,

	.fast_switch	= osm_cpufreq_fast_switch,

	.name		= "osm-cpufreq",

	.attr		= osm_cpufreq_attr,

	.boost_enabled	= true,