diff options
| author | Jie Zhan <zhanjie9@hisilicon.com> | 2025-08-28 19:02:11 +0800 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2025-10-28 10:40:47 +0530 |
| commit | 1971b18785d198ae5adbb861136ae5c0f195c14d (patch) | |
| tree | 04a1d90af2304b134bbc6eecfc3029eb26d9b7dc | |
| parent | 9600156bb99852c216a2128cdf9f114eb67c350f (diff) | |
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>
| -rw-r--r-- | drivers/cpufreq/cppc_cpufreq.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c index e23d9abea135..9eac77c4f294 100644 --- a/drivers/cpufreq/cppc_cpufreq.c +++ b/drivers/cpufreq/cppc_cpufreq.c @@ -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; } } |