| Message ID | 1589785808-12138-2-git-send-email-wangxiongfeng2@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [RFC,v2,1/3] cpufreq: handle the return value of '.set_boost()' properly | expand |
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 4adac3a..bb6746e 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2540,7 +2540,10 @@ int cpufreq_boost_trigger_state(int state) write_unlock_irqrestore(&cpufreq_driver_lock, flags); ret = cpufreq_driver->set_boost(state); - if (ret) { + if (ret == 1) { + pr_debug("The effective constraint value of frequency QoS has changed.\n"); + return 0; + } else if (ret) { write_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver->boost_enabled = !state; write_unlock_irqrestore(&cpufreq_driver_lock, flags);
'freq_qos_update_request()' called by 'cpufreq_boost_set_sw()' reutrns 1 when the effective constraint value of frequency QoS has changed. It's not an error code. So handle the return value 1 of '.set_boost()' in 'cpufreq_boost_trigger_state()' properly. Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> --- drivers/cpufreq/cpufreq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)