Messages in this thread Patch in this message | | | From | Viresh Kumar <> | Subject | [PATCH 14/14] cpufreq: tegra: use cpufreq_generic_init() routine | Date | Wed, 21 Aug 2013 20:12:33 +0530 |
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Use generic cpufreq_generic_init() routine instead of replicating the same code here.
Along with that we are disabling clks in error cases and ->exit() routine.
Cc: Stephen Warren <swarren@nvidia.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/cpufreq/tegra-cpufreq.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c index 3f25ab6..bc7c2a1 100644 --- a/drivers/cpufreq/tegra-cpufreq.c +++ b/drivers/cpufreq/tegra-cpufreq.c @@ -161,18 +161,21 @@ 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); - /* 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); @@ -183,6 +186,7 @@ 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; } -- 1.7.12.rc2.18.g61b472e
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