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authorViresh Kumar <viresh.kumar@linaro.org>2015-01-02 12:34:30 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-01-23 22:49:34 +0100
commitbc68b7dfda54373fb5d0cee8c44a070d590b8433 (patch)
tree8bd57ab09602bf5018351b09bd60606e2da8726d
parentd92d50a4622b55cf114033309286696b3bd0fa5b (diff)
downloadop-kernel-dev-bc68b7dfda54373fb5d0cee8c44a070d590b8433.zip
op-kernel-dev-bc68b7dfda54373fb5d0cee8c44a070d590b8433.tar.gz
cpufreq: update driver_data->flags only if we are registering driver
We should first check if a cpufreq driver is already registered or not before updating driver_data->flags. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/cpufreq/cpufreq.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 420f270..0247da2 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2440,9 +2440,6 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
pr_debug("trying to register driver %s\n", driver_data->name);
- if (driver_data->setpolicy)
- driver_data->flags |= CPUFREQ_CONST_LOOPS;
-
write_lock_irqsave(&cpufreq_driver_lock, flags);
if (cpufreq_driver) {
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
@@ -2451,6 +2448,9 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
cpufreq_driver = driver_data;
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
+ if (driver_data->setpolicy)
+ driver_data->flags |= CPUFREQ_CONST_LOOPS;
+
if (cpufreq_boost_supported()) {
/*
* Check if driver provides function to enable boost -
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