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cpufreq: update driver_data->flags only if we are registering driver

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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>
This commit is contained in:
Viresh Kumar 2015-01-02 12:34:30 +05:30 committed by Rafael J. Wysocki
parent d92d50a462
commit bc68b7dfda
1 changed files with 3 additions and 3 deletions
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6
drivers/cpufreq/cpufreq.c
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@ -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 -