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cpufreq: CPPC: Don't warn if FIE init fails to read counters 

During the CPPC FIE initialization, reading perf counters on offline cpus
should be expected to fail.  Don't warn on this case.

Also, change the error log level to debug since FIE is optional.

Co-developed-by: Bowen Yu <yubowen8@huawei.com>
Signed-off-by: Bowen Yu <yubowen8@huawei.com> # Changing loglevel to debug
Signed-off-by: Jie Zhan <zhanjie9@hisilicon.com>
[ Viresh: Added back the dropped comment. ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Jie Zhan 2025-08-28 19:02:11 +08:00 committed by Viresh Kumar
parent 9600156bb9
commit 1971b18785
1 changed files with 8 additions and 9 deletions
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17
drivers/cpufreq/cppc_cpufreq.c
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@ -142,16 +142,15 @@ static void cppc_cpufreq_cpu_fie_init(struct cpufreq_policy *policy)
init_irq_work(&cppc_fi->irq_work, cppc_irq_work);
ret = cppc_get_perf_ctrs(cpu, &cppc_fi->prev_perf_fb_ctrs);
if (ret) {
pr_warn("%s: failed to read perf counters for cpu:%d: %d\n",
__func__, cpu, ret);
/*
* Don't abort if the CPU was offline while the driver
* was getting registered.
*/
if (cpu_online(cpu))
return;
/*
* Don't abort as the CPU was offline while the driver was
* getting registered.
*/
if (ret && cpu_online(cpu)) {
pr_debug("%s: failed to read perf counters for cpu:%d: %d\n",
__func__, cpu, ret);
return;
}
}