#include <linux/slab.h>
/**
- * dev_pm_opp_init_cpufreq_table() - create a cpufreq table for a device
+ * __dev_pm_opp_init_cpufreq_table() - create a cpufreq table for a device
* @dev: device for which we do this operation
* @table: Cpufreq table returned back to caller
+ * @extra_opps: Number of extra table entries to allocate
*
* Generate a cpufreq table for a provided device- this assumes that the
* opp list is already initialized and ready for usage.
* structures, we use RCU read lock inside this function. As a result, users of
* this function DONOT need to use explicit locks for invoking.
*/
-int dev_pm_opp_init_cpufreq_table(struct device *dev,
- struct cpufreq_frequency_table **table)
+int __dev_pm_opp_init_cpufreq_table(struct device *dev,
+ struct cpufreq_frequency_table **table,
+ unsigned int extra_opps)
{
struct dev_pm_opp *opp;
struct cpufreq_frequency_table *freq_table = NULL;
goto out;
}
- freq_table = kcalloc((max_opps + 1), sizeof(*freq_table), GFP_ATOMIC);
+ freq_table = kcalloc((max_opps + extra_opps + 1), sizeof(*freq_table),
+ GFP_ATOMIC);
if (!freq_table) {
ret = -ENOMEM;
goto out;
return ret;
}
+EXPORT_SYMBOL_GPL(__dev_pm_opp_init_cpufreq_table);
+
+int dev_pm_opp_init_cpufreq_table(struct device *dev,
+ struct cpufreq_frequency_table **table)
+{
+ return __dev_pm_opp_init_cpufreq_table(dev, table, 0);
+}
EXPORT_SYMBOL_GPL(dev_pm_opp_init_cpufreq_table);
/**
};
#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)
+int __dev_pm_opp_init_cpufreq_table(struct device *dev,
+ struct cpufreq_frequency_table **table,
+ unsigned int extra_opps);
int dev_pm_opp_init_cpufreq_table(struct device *dev,
struct cpufreq_frequency_table **table);
void dev_pm_opp_free_cpufreq_table(struct device *dev,