[PATCH 2/2] cpufreq: Make cpufreq_update_policy() void

[Rafael J. Wysocki]

From: Rafael J. Wysocki <rafael.j.wyso...@intel.com>

The return value of cpufreq_update_policy() is never used, so make
it void.

Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
---

On top of https://patchwork.kernel.org/patch/9436381/

---
 drivers/cpufreq/cpufreq.c |   21 +++++++--------------
 include/linux/cpufreq.h   |    2 +-
 2 files changed, 8 insertions(+), 15 deletions(-)

Index: linux-pm/drivers/cpufreq/cpufreq.c
===================================================================
--- linux-pm.orig/drivers/cpufreq/cpufreq.c
+++ linux-pm/drivers/cpufreq/cpufreq.c
@@ -2257,21 +2257,18 @@ static int cpufreq_set_policy(struct cpu
  *     Useful for policy notifiers which have different necessities
  *     at different times.
  */
-int cpufreq_update_policy(unsigned int cpu)
+void cpufreq_update_policy(unsigned int cpu)
 {
        struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
        struct cpufreq_policy new_policy;
-       int ret;
 
        if (!policy)
-               return -ENODEV;
+               return;
 
        down_write(&policy->rwsem);
 
-       if (policy_is_inactive(policy)) {
-               ret = -ENODEV;
+       if (policy_is_inactive(policy))
                goto unlock;
-       }
 
        pr_debug("updating policy for CPU %u\n", cpu);
        memcpy(&new_policy, policy, sizeof(*policy));
@@ -2283,24 +2280,20 @@ int cpufreq_update_policy(unsigned int c
         * -> ask driver for current freq and notify governors about a change
         */
        if (cpufreq_driver->get && !cpufreq_driver->setpolicy) {
-               if (cpufreq_suspended) {
-                       ret = -EAGAIN;
+               if (cpufreq_suspended)
                        goto unlock;
-               }
+
                new_policy.cur = cpufreq_update_current_freq(policy);
-               if (WARN_ON(!new_policy.cur)) {
-                       ret = -EIO;
+               if (WARN_ON(!new_policy.cur))
                        goto unlock;
-               }
        }
 
-       ret = cpufreq_set_policy(policy, &new_policy);
+       cpufreq_set_policy(policy, &new_policy);
 
 unlock:
        up_write(&policy->rwsem);
 
        cpufreq_cpu_put(policy);
-       return ret;
 }
 EXPORT_SYMBOL(cpufreq_update_policy);
 
Index: linux-pm/include/linux/cpufreq.h
===================================================================
--- linux-pm.orig/include/linux/cpufreq.h
+++ linux-pm/include/linux/cpufreq.h
@@ -175,7 +175,7 @@ void disable_cpufreq(void);
 
 u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy);
 int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu);
-int cpufreq_update_policy(unsigned int cpu);
+void cpufreq_update_policy(unsigned int cpu);
 bool have_governor_per_policy(void);
 struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy);
 void cpufreq_enable_fast_switch(struct cpufreq_policy *policy);