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-rw-r--r--include/linux/cpufreq.h28
-rw-r--r--include/linux/devfreq.h7
2 files changed, 20 insertions, 15 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index d5595d57f4e5..6a94a6eaad27 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -1110,10 +1110,10 @@ cpufreq_table_set_inefficient(struct cpufreq_policy *policy,
}
static inline int parse_perf_domain(int cpu, const char *list_name,
- const char *cell_name)
+ const char *cell_name,
+ struct of_phandle_args *args)
{
struct device_node *cpu_np;
- struct of_phandle_args args;
int ret;
cpu_np = of_cpu_device_node_get(cpu);
@@ -1121,41 +1121,44 @@ static inline int parse_perf_domain(int cpu, const char *list_name,
return -ENODEV;
ret = of_parse_phandle_with_args(cpu_np, list_name, cell_name, 0,
- &args);
+ args);
if (ret < 0)
return ret;
of_node_put(cpu_np);
- return args.args[0];
+ return 0;
}
static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name,
- const char *cell_name, struct cpumask *cpumask)
+ const char *cell_name, struct cpumask *cpumask,
+ struct of_phandle_args *pargs)
{
- int target_idx;
int cpu, ret;
+ struct of_phandle_args args;
- ret = parse_perf_domain(pcpu, list_name, cell_name);
+ ret = parse_perf_domain(pcpu, list_name, cell_name, pargs);
if (ret < 0)
return ret;
- target_idx = ret;
cpumask_set_cpu(pcpu, cpumask);
for_each_possible_cpu(cpu) {
if (cpu == pcpu)
continue;
- ret = parse_perf_domain(cpu, list_name, cell_name);
+ ret = parse_perf_domain(cpu, list_name, cell_name, &args);
if (ret < 0)
continue;
- if (target_idx == ret)
+ if (pargs->np == args.np && pargs->args_count == args.args_count &&
+ !memcmp(pargs->args, args.args, sizeof(args.args[0]) * args.args_count))
cpumask_set_cpu(cpu, cpumask);
+
+ of_node_put(args.np);
}
- return target_idx;
+ return 0;
}
#else
static inline int cpufreq_boost_trigger_state(int state)
@@ -1185,7 +1188,8 @@ cpufreq_table_set_inefficient(struct cpufreq_policy *policy,
}
static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name,
- const char *cell_name, struct cpumask *cpumask)
+ const char *cell_name, struct cpumask *cpumask,
+ struct of_phandle_args *pargs)
{
return -EOPNOTSUPP;
}
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 34aab4dd336c..4dc7cda4fd46 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -152,8 +152,8 @@ struct devfreq_stats {
* @max_state: count of entry present in the frequency table.
* @previous_freq: previously configured frequency value.
* @last_status: devfreq user device info, performance statistics
- * @data: Private data of the governor. The devfreq framework does not
- * touch this.
+ * @data: devfreq driver pass to governors, governor should not change it.
+ * @governor_data: private data for governors, devfreq core doesn't touch it.
* @user_min_freq_req: PM QoS minimum frequency request from user (via sysfs)
* @user_max_freq_req: PM QoS maximum frequency request from user (via sysfs)
* @scaling_min_freq: Limit minimum frequency requested by OPP interface
@@ -193,7 +193,8 @@ struct devfreq {
unsigned long previous_freq;
struct devfreq_dev_status last_status;
- void *data; /* private data for governors */
+ void *data;
+ void *governor_data;
struct dev_pm_qos_request user_min_freq_req;
struct dev_pm_qos_request user_max_freq_req;