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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-05-30 13:41:09 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-05-30 23:13:00 +0200
commitcf7eeea947efaf2348dd87542508b1d426b948cd (patch)
tree95dfe354c7b8d4467f8c9dc6a722e23bcbca76c0 /drivers/cpuidle
parentb04e217704b7f879c6b91222b066983a44a7a09f (diff)
downloadlinux-cf7eeea947efaf2348dd87542508b1d426b948cd.tar.bz2
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 <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpuidle')
-rw-r--r--drivers/cpuidle/governors/ladder.c3
-rw-r--r--drivers/cpuidle/governors/menu.c3
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c
index b24883f85c99..060db5182bdb 100644
--- 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
index 1bfe03ceb236..5d15bc0ba2e0 100644
--- 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 */