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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-12-08 01:04:17 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-12-08 01:04:17 +0100
commit12205a4b79bef56ef618a4b7caa840c5c971cff2 (patch)
treefea1a7f7af347e5e2766031a77286e7556b38d2e /drivers/cpufreq
parent374b105797c3d4f29c685f3be535c35f5689b30e (diff)
downloadlinux-12205a4b79bef56ef618a4b7caa840c5c971cff2.tar.bz2
Revert "cpufreq: suspend governors on system suspend/hibernate"
Commit 5a87182aa21d (cpufreq: suspend governors on system suspend/hibernate) causes hibernation problems to happen on Bjørn Mork's and Paul Bolle's systems, so revert it. Fixes: 5a87182aa21d (cpufreq: suspend governors on system suspend/hibernate) Reported-by: Bjørn Mork <bjorn@mork.no> Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 81e9d4412db8..b7c3b877da44 100644
--- 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) {