diff options
Diffstat (limited to 'drivers/opp/cpu.c')
-rw-r--r-- | drivers/opp/cpu.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/drivers/opp/cpu.c b/drivers/opp/cpu.c index 12c429b407ca..97989d4fe336 100644 --- a/drivers/opp/cpu.c +++ b/drivers/opp/cpu.c @@ -43,7 +43,6 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **opp_table) { - struct dev_pm_opp *opp; struct cpufreq_frequency_table *freq_table = NULL; int i, max_opps, ret = 0; unsigned long rate; @@ -57,6 +56,8 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, return -ENOMEM; for (i = 0, rate = 0; i < max_opps; i++, rate++) { + struct dev_pm_opp *opp __free(put_opp); + /* find next rate */ opp = dev_pm_opp_find_freq_ceil(dev, &rate); if (IS_ERR(opp)) { @@ -69,8 +70,6 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, /* Is Boost/turbo opp ? */ if (dev_pm_opp_is_turbo(opp)) freq_table[i].flags = CPUFREQ_BOOST_FREQ; - - dev_pm_opp_put(opp); } freq_table[i].driver_data = i; @@ -155,10 +154,10 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_cpumask_remove_table); int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask) { + struct opp_table *opp_table __free(put_opp_table); struct opp_device *opp_dev; - struct opp_table *opp_table; struct device *dev; - int cpu, ret = 0; + int cpu; opp_table = _find_opp_table(cpu_dev); if (IS_ERR(opp_table)) @@ -186,9 +185,7 @@ int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, opp_table->shared_opp = OPP_TABLE_ACCESS_SHARED; } - dev_pm_opp_put_opp_table(opp_table); - - return ret; + return 0; } EXPORT_SYMBOL_GPL(dev_pm_opp_set_sharing_cpus); @@ -204,33 +201,26 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_sharing_cpus); */ int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) { + struct opp_table *opp_table __free(put_opp_table); struct opp_device *opp_dev; - struct opp_table *opp_table; - int ret = 0; opp_table = _find_opp_table(cpu_dev); if (IS_ERR(opp_table)) return PTR_ERR(opp_table); - if (opp_table->shared_opp == OPP_TABLE_ACCESS_UNKNOWN) { - ret = -EINVAL; - goto put_opp_table; - } + if (opp_table->shared_opp == OPP_TABLE_ACCESS_UNKNOWN) + return -EINVAL; cpumask_clear(cpumask); if (opp_table->shared_opp == OPP_TABLE_ACCESS_SHARED) { - mutex_lock(&opp_table->lock); + guard(mutex)(&opp_table->lock); list_for_each_entry(opp_dev, &opp_table->dev_list, node) cpumask_set_cpu(opp_dev->dev->id, cpumask); - mutex_unlock(&opp_table->lock); } else { cpumask_set_cpu(cpu_dev->id, cpumask); } -put_opp_table: - dev_pm_opp_put_opp_table(opp_table); - - return ret; + return 0; } EXPORT_SYMBOL_GPL(dev_pm_opp_get_sharing_cpus); |