[PATCH v2 1/2] cpufreq: CPPC: Don't warn if FIE init fails to read counters
Jie Zhan
zhanjie9 at hisilicon.com
Thu Aug 28 04:02:11 PDT 2025
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 at huawei.com>
Signed-off-by: Bowen Yu <yubowen8 at huawei.com> # Changing loglevel to debug
Signed-off-by: Jie Zhan <zhanjie9 at hisilicon.com>
---
drivers/cpufreq/cppc_cpufreq.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 4a17162a392d..7724318b3415 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -144,16 +144,10 @@ 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",
+ if (ret && cpu_online(cpu)) {
+ pr_debug("%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;
+ return;
}
}
--
2.33.0
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