diff options
| author | Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org> | 2021-11-11 12:54:42 +0200 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2022-01-14 11:34:24 +0300 |
| commit | 540c56b3ac58ff666862c3a7c8869ec2f3d47caf (patch) | |
| tree | 8f4af8c1975ab68a63a7b32e50c6e473e009d762 | |
| parent | 7d8a66b80d887c63e0455f89fcc9b011f5b01438 (diff) | |
cpufreq: qcom-hw: Set CPU affinity of dcvsh interrupts
In runtime CPU cluster specific dcvsh interrupts may be handled on
unrelated CPU cores, it may leads to an issue of too excessive number
of received and handled interrupts, however this is not observed,
if CPU affinity of the interrupt handler is set in accordance to
CPU clusters.
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
| -rw-r--r-- | drivers/cpufreq/qcom-cpufreq-hw.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 5d55217caa8b..3967191836fb 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -400,6 +400,11 @@ static int qcom_cpufreq_hw_lmh_init(struct cpufreq_policy *policy, int index) return 0; } + ret = irq_set_affinity_hint(data->throttle_irq, policy->cpus); + if (ret) + dev_err(&pdev->dev, "Failed to set CPU affinity of %s[%d]\n", + data->irq_name, data->throttle_irq); + return 0; } |