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cpuidle: governors: Drop redundant checks related to PM QoS

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PM_QOS_RESUME_LATENCY_NO_CONSTRAINT is defined as the 32-bit integer
maximum, so it is not necessary to test the return value of
dev_pm_qos_raw_read_value() against it directly in the menu and
ladder cpuidle governors.

Drop these redundant checks.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2018-05-30 13:41:09 +02:00
parent b04e217704
commit cf7eeea947
2 changed files with 2 additions and 4 deletions
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3
drivers/cpuidle/governors/ladder.c
View File

@ -76,8 +76,7 @@ static int ladder_select_state(struct cpuidle_driver *drv,
int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY);
int resume_latency = dev_pm_qos_raw_read_value(device);
if (resume_latency < latency_req &&
resume_latency != PM_QOS_RESUME_LATENCY_NO_CONSTRAINT)
if (resume_latency < latency_req)
latency_req = resume_latency;
/* Special case when user has set very strict latency requirement */

3
drivers/cpuidle/governors/menu.c
View File

@ -302,8 +302,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
data->needs_update = 0;
}
if (resume_latency < latency_req &&
resume_latency != PM_QOS_RESUME_LATENCY_NO_CONSTRAINT)
if (resume_latency < latency_req)
latency_req = resume_latency;
/* Special case when user has set very strict latency requirement */