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cpuidle: Remove redundant check in cpuidle_switch_governor()

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gov has already been NULL checked at the beginning of
cpuidle_switch_governor, so remove redundant check.

While at it, use pr_info() instead printk() to address the following
checkpatch warning:

WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then
dev_info(dev, ... then pr_info(...  to printk(KERN_INFO ...

Signed-off-by: Yu Liao <liaoyu15@huawei.com>
[ rjw: Subject and changelog edits, added empty line after if () ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Yu Liao 2022-08-29 09:15:34 +08:00 committed by Rafael J. Wysocki
parent 0dbc0f49d6
commit 06f7c08751
1 changed files with 5 additions and 6 deletions
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11
drivers/cpuidle/governor.c
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@ -63,12 +63,11 @@ int cpuidle_switch_governor(struct cpuidle_governor *gov)
cpuidle_curr_governor = gov;
if (gov) {
list_for_each_entry(dev, &cpuidle_detected_devices, device_list)
cpuidle_enable_device(dev);
cpuidle_install_idle_handler();
printk(KERN_INFO "cpuidle: using governor %s\n", gov->name);
}
list_for_each_entry(dev, &cpuidle_detected_devices, device_list)
cpuidle_enable_device(dev);
cpuidle_install_idle_handler();
pr_info("cpuidle: using governor %s\n", gov->name);
return 0;
}