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path: root/drivers/cpufreq/cppc_cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/cppc_cpufreq.c')
-rw-r--r--drivers/cpufreq/cppc_cpufreq.c46
1 files changed, 24 insertions, 22 deletions
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 2f769b1630c5..be4f62e2c5f1 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -182,27 +182,6 @@ static int cppc_verify_policy(struct cpufreq_policy_data *policy)
return 0;
}
-static void cppc_cpufreq_stop_cpu(struct cpufreq_policy *policy)
-{
- struct cppc_cpudata *cpu_data = policy->driver_data;
- struct cppc_perf_caps *caps = &cpu_data->perf_caps;
- unsigned int cpu = policy->cpu;
- int ret;
-
- cpu_data->perf_ctrls.desired_perf = caps->lowest_perf;
-
- ret = cppc_set_perf(cpu, &cpu_data->perf_ctrls);
- if (ret)
- pr_debug("Err setting perf value:%d on CPU:%d. ret:%d\n",
- caps->lowest_perf, cpu, ret);
-
- /* Remove CPU node from list and free driver data for policy */
- free_cpumask_var(cpu_data->shared_cpu_map);
- list_del(&cpu_data->node);
- kfree(policy->driver_data);
- policy->driver_data = NULL;
-}
-
/*
* The PCC subspace describes the rate at which platform can accept commands
* on the shared PCC channel (including READs which do not count towards freq
@@ -352,6 +331,29 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
return ret;
}
+static int cppc_cpufreq_cpu_exit(struct cpufreq_policy *policy)
+{
+ struct cppc_cpudata *cpu_data = policy->driver_data;
+ struct cppc_perf_caps *caps = &cpu_data->perf_caps;
+ unsigned int cpu = policy->cpu;
+ int ret;
+
+ cpu_data->perf_ctrls.desired_perf = caps->lowest_perf;
+
+ ret = cppc_set_perf(cpu, &cpu_data->perf_ctrls);
+ if (ret)
+ pr_debug("Err setting perf value:%d on CPU:%d. ret:%d\n",
+ caps->lowest_perf, cpu, ret);
+
+ /* Remove CPU node from list and free driver data for policy */
+ free_cpumask_var(cpu_data->shared_cpu_map);
+ list_del(&cpu_data->node);
+ kfree(policy->driver_data);
+ policy->driver_data = NULL;
+
+ return 0;
+}
+
static inline u64 get_delta(u64 t1, u64 t0)
{
if (t1 > t0 || t0 > ~(u32)0)
@@ -451,7 +453,7 @@ static struct cpufreq_driver cppc_cpufreq_driver = {
.target = cppc_cpufreq_set_target,
.get = cppc_cpufreq_get_rate,
.init = cppc_cpufreq_cpu_init,
- .stop_cpu = cppc_cpufreq_stop_cpu,
+ .exit = cppc_cpufreq_cpu_exit,
.set_boost = cppc_cpufreq_set_boost,
.attr = cppc_cpufreq_attr,
.name = "cppc_cpufreq",