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Commit cf7eeea9 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

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: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent b04e2177

drivers/cpuidle/governors/ladder.c

+1 −2
Original line number Diff line number Diff line
@@ -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 */

drivers/cpuidle/governors/menu.c

+1 −2
Original line number Diff line number Diff line
@@ -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 */