From: zhuguangqing <[email protected]> If state has not changed successfully and we updated cpufreq_state, next time when the new state is equal to cpufreq_state (not changed successfully last time), we will return directly and miss a freq_qos_update_request() that should have been.
Signed-off-by: zhuguangqing <[email protected]> --- drivers/thermal/cpufreq_cooling.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c index cc2959f22f01..00dc26c33899 100644 --- a/drivers/thermal/cpufreq_cooling.c +++ b/drivers/thermal/cpufreq_cooling.c @@ -438,13 +438,12 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev, if (cpufreq_cdev->cpufreq_state == state) return 0; - cpufreq_cdev->cpufreq_state = state; - frequency = get_state_freq(cpufreq_cdev, state); ret = freq_qos_update_request(&cpufreq_cdev->qos_req, frequency); if (ret > 0) { + cpufreq_cdev->cpufreq_state = state; cpus = cpufreq_cdev->policy->cpus; max_capacity = arch_scale_cpu_capacity(cpumask_first(cpus)); capacity = frequency * max_capacity; -- 2.17.1
