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cpufreq: tegra: use cpufreq_generic_init()

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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>
This commit is contained in:
Viresh Kumar 2013-10-03 20:42:11 +05:30 committed by Rafael J. Wysocki
parent 7a936bd085
commit 99d428cf0b
1 changed files with 9 additions and 4 deletions
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13
drivers/cpufreq/tegra-cpufreq.c
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@ -204,19 +204,23 @@ static struct notifier_block tegra_cpu_pm_notifier = {
static int tegra_cpu_init(struct cpufreq_policy *policy)
{
int ret;
if (policy->cpu >= NUM_CPUS)
return -EINVAL;
clk_prepare_enable(emc_clk);
clk_prepare_enable(cpu_clk);
cpufreq_table_validate_and_show(policy, freq_table);
target_cpu_speed[policy->cpu] = tegra_getspeed(policy->cpu);
/* FIXME: what's the actual transition time? */
policy->cpuinfo.transition_latency = 300 * 1000;
cpumask_copy(policy->cpus, cpu_possible_mask);
ret = cpufreq_generic_init(policy, freq_table, 300 * 1000);
if (ret) {
clk_disable_unprepare(cpu_clk);
clk_disable_unprepare(emc_clk);
return ret;
}
if (policy->cpu == 0)
register_pm_notifier(&tegra_cpu_pm_notifier);
@ -227,6 +231,7 @@ static int tegra_cpu_init(struct cpufreq_policy *policy)
static int tegra_cpu_exit(struct cpufreq_policy *policy)
{
cpufreq_frequency_table_put_attr(policy->cpu);
clk_disable_unprepare(cpu_clk);
clk_disable_unprepare(emc_clk);
return 0;
}