cpuidle: governors: Drop redundant checks related to PM QoS

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 <[email protected]>
ambv · May 30, 2018 · cf7eeea · cf7eeea
1 parent b04e217
commit cf7eeea
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c
@@ -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 */

diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
@@ -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 */