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cpufreq: Use clamp() helper macro to improve the code readability

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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>
This commit is contained in:
Liao Chang 2023-08-16 01:58:53 +00:00 committed by Rafael J. Wysocki
parent d51847acb0
commit a436ae9434
1 changed files with 3 additions and 11 deletions
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14
include/linux/cpufreq.h
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@ -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