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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-02-12 00:37:11 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-02-14 10:37:27 +0100 |
| commit | 814d51f8889bc4afa75f647eeffd5ff0a5620e8d (patch) | |
| tree | 40c7ea7b29fe0f741507792237cb5bbdc87d810e /kernel/power/qos.c | |
| parent | b8e6e27c626e60bb5708ce8c974b58c485c32ac7 (diff) | |
| download | lwn-814d51f8889bc4afa75f647eeffd5ff0a5620e8d.tar.gz lwn-814d51f8889bc4afa75f647eeffd5ff0a5620e8d.zip | |
PM: QoS: Make CPU latency QoS depend on CONFIG_CPU_IDLE
Because cpuidle is the only user of the effective constraint coming
from the CPU latency QoS, add #ifdef CONFIG_CPU_IDLE around that code
to avoid building it unnecessarily.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Tested-by: Amit Kucheria <amit.kucheria@linaro.org>
Diffstat (limited to 'kernel/power/qos.c')
| -rw-r--r-- | kernel/power/qos.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/power/qos.c b/kernel/power/qos.c index ef73573db43d..32927682bcc4 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -209,6 +209,7 @@ bool pm_qos_update_flags(struct pm_qos_flags *pqf, return prev_value != curr_value; } +#ifdef CONFIG_CPU_IDLE /* Definitions related to the CPU latency QoS. */ static struct pm_qos_constraints cpu_latency_constraints = { @@ -421,6 +422,7 @@ static int __init cpu_latency_qos_init(void) return ret; } late_initcall(cpu_latency_qos_init); +#endif /* CONFIG_CPU_IDLE */ /* Definitions related to the frequency QoS below. */ |