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authorViresh Kumar <viresh.kumar@linaro.org>2014-03-24 08:00:29 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-03-26 16:37:18 +0100
commit0c5aa405a9437d97e09ec289d4f29bb62e0f01b6 (patch)
treedb7b06fdeb9b72aeb606cc0b88f729c5a432b094 /drivers/cpufreq
parentintel_pstate: Set core to min P state during core offline (diff)
downloadlinux-0c5aa405a9437d97e09ec289d4f29bb62e0f01b6.tar.xz
linux-0c5aa405a9437d97e09ec289d4f29bb62e0f01b6.zip
cpufreq: resume drivers before enabling governors
During suspend, we first stop governors and then suspend cpufreq drivers and resume must be exactly opposite of that. i.e. resume drivers first and then start governors. But the current code in resume enables governors first and then resume drivers. Fix it be changing code sequence there. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 3aa7a7a226b3..d8d6bc9d1815 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1652,14 +1652,13 @@ void cpufreq_resume(void)
cpufreq_suspended = false;
list_for_each_entry(policy, &cpufreq_policy_list, policy_list) {
- if (__cpufreq_governor(policy, CPUFREQ_GOV_START)
+ if (cpufreq_driver->resume && cpufreq_driver->resume(policy))
+ pr_err("%s: Failed to resume driver: %p\n", __func__,
+ policy);
+ else 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);
- else if (cpufreq_driver->resume
- && cpufreq_driver->resume(policy))
- pr_err("%s: Failed to resume driver: %p\n", __func__,
- policy);
/*
* schedule call cpufreq_update_policy() for boot CPU, i.e. last