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cpufreq: tegra: use cpufreq_generic_init()
Use generic cpufreq_generic_init() routine instead of replicating the same code here. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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parent
7a936bd085
commit
99d428cf0b
1 changed files with 9 additions and 4 deletions
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@ -204,19 +204,23 @@ static struct notifier_block tegra_cpu_pm_notifier = {
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static int tegra_cpu_init(struct cpufreq_policy *policy)
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{
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int ret;
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if (policy->cpu >= NUM_CPUS)
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return -EINVAL;
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clk_prepare_enable(emc_clk);
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clk_prepare_enable(cpu_clk);
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cpufreq_table_validate_and_show(policy, freq_table);
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target_cpu_speed[policy->cpu] = tegra_getspeed(policy->cpu);
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/* FIXME: what's the actual transition time? */
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policy->cpuinfo.transition_latency = 300 * 1000;
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cpumask_copy(policy->cpus, cpu_possible_mask);
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ret = cpufreq_generic_init(policy, freq_table, 300 * 1000);
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if (ret) {
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clk_disable_unprepare(cpu_clk);
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clk_disable_unprepare(emc_clk);
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return ret;
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}
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if (policy->cpu == 0)
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register_pm_notifier(&tegra_cpu_pm_notifier);
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@ -227,6 +231,7 @@ static int tegra_cpu_init(struct cpufreq_policy *policy)
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static int tegra_cpu_exit(struct cpufreq_policy *policy)
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{
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cpufreq_frequency_table_put_attr(policy->cpu);
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clk_disable_unprepare(cpu_clk);
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clk_disable_unprepare(emc_clk);
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return 0;
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}
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