Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...

[cascardo/linux.git] / drivers / cpufreq / cpufreq.c

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 81e9d44..02d534d 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -26,7 +26,6 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
-#include <linux/suspend.h>
 #include <linux/syscore_ops.h>
 #include <linux/tick.h>
 #include <trace/events/power.h>
@@ -48,9 +47,6 @@ static LIST_HEAD(cpufreq_policy_list);
 static DEFINE_PER_CPU(char[CPUFREQ_NAME_LEN], cpufreq_cpu_governor);
 #endif
 
-/* Flag to suspend/resume CPUFreq governors */
-static bool cpufreq_suspended;
-
 static inline bool has_target(void)
 {
        return cpufreq_driver->target_index || cpufreq_driver->target;
@@ -1466,41 +1462,6 @@ static struct subsys_interface cpufreq_interface = {
        .remove_dev     = cpufreq_remove_dev,
 };
 
-void cpufreq_suspend(void)
-{
-       struct cpufreq_policy *policy;
-
-       if (!has_target())
-               return;
-
-       pr_debug("%s: Suspending Governors\n", __func__);
-
-       list_for_each_entry(policy, &cpufreq_policy_list, policy_list)
-               if (__cpufreq_governor(policy, CPUFREQ_GOV_STOP))
-                       pr_err("%s: Failed to stop governor for policy: %p\n",
-                               __func__, policy);
-
-       cpufreq_suspended = true;
-}
-
-void cpufreq_resume(void)
-{
-       struct cpufreq_policy *policy;
-
-       if (!has_target())
-               return;
-
-       pr_debug("%s: Resuming Governors\n", __func__);
-
-       cpufreq_suspended = false;
-
-       list_for_each_entry(policy, &cpufreq_policy_list, policy_list)
-               if (__cpufreq_governor(policy, CPUFREQ_GOV_START)
-                   || __cpufreq_governor(policy, CPUFREQ_GOV_LIMITS))
-                       pr_err("%s: Failed to start governor for policy: %p\n",
-                               __func__, policy);
-}
-
 /**
  * cpufreq_bp_suspend - Prepare the boot CPU for system suspend.
  *
@@ -1803,10 +1764,6 @@ static int __cpufreq_governor(struct cpufreq_policy *policy,
        struct cpufreq_governor *gov = NULL;
 #endif
 
-       /* Don't start any governor operations if we are entering suspend */
-       if (cpufreq_suspended)
-               return 0;
-
        if (policy->governor->max_transition_latency &&
            policy->cpuinfo.transition_latency >
            policy->governor->max_transition_latency) {
@@ -2119,6 +2076,9 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb,
        dev = get_cpu_device(cpu);
        if (dev) {
 
+               if (action & CPU_TASKS_FROZEN)
+                       frozen = true;
+
                switch (action & ~CPU_TASKS_FROZEN) {
                case CPU_ONLINE:
                        __cpufreq_add_dev(dev, NULL, frozen);