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authorLiao Chang <liaochang1@huawei.com>2023-08-16 01:58:53 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-08-22 22:10:10 +0200
commita436ae9434ec491eefb4ed4c77bdb9c762925976 (patch)
tree9a910ed2e666ff99c207deea55f91456449cf32b
parentd51847acb018d83186e4af67bc93f9a00a8644f7 (diff)
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cpufreq: Use clamp() helper macro to improve the code readability
The valid values of policy.{min, max} should be between 'min' and 'max', so use clamp() helper macro to makes cpufreq_verify_within_limits() easier to follow. Signed-off-by: Liao Chang <liaochang1@huawei.com> [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--include/linux/cpufreq.h14
1 files changed, 3 insertions, 11 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 172ff51c1b2a..9bf94ae08158 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -19,6 +19,7 @@
#include <linux/pm_qos.h>
#include <linux/spinlock.h>
#include <linux/sysfs.h>
+#include <linux/minmax.h>
/*********************************************************************
* CPUFREQ INTERFACE *
@@ -467,17 +468,8 @@ static inline void cpufreq_verify_within_limits(struct cpufreq_policy_data *poli
unsigned int min,
unsigned int max)
{
- if (policy->min < min)
- policy->min = min;
- if (policy->max < min)
- policy->max = min;
- if (policy->min > max)
- policy->min = max;
- if (policy->max > max)
- policy->max = max;
- if (policy->min > policy->max)
- policy->min = policy->max;
- return;
+ policy->max = clamp(policy->max, min, max);
+ policy->min = clamp(policy->min, min, policy->max);
}
static inline void