Commit | Line | Data |
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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 | 2 | /* |
bb176f7d | 3 | * linux/drivers/cpufreq/cpufreq_powersave.c |
1da177e4 | 4 | * |
bb176f7d | 5 | * Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de> |
1da177e4 LT |
6 | */ |
7 | ||
db701151 VK |
8 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
9 | ||
1da177e4 LT |
10 | #include <linux/cpufreq.h> |
11 | #include <linux/init.h> | |
5ff0a268 | 12 | #include <linux/module.h> |
1da177e4 | 13 | |
e788892b | 14 | static void cpufreq_gov_powersave_limits(struct cpufreq_policy *policy) |
1da177e4 | 15 | { |
e788892b RW |
16 | pr_debug("setting to %u kHz\n", policy->min); |
17 | __cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L); | |
1da177e4 | 18 | } |
32ee8c3e | 19 | |
de1df26b | 20 | static struct cpufreq_governor cpufreq_gov_powersave = { |
1da177e4 | 21 | .name = "powersave", |
e788892b | 22 | .limits = cpufreq_gov_powersave_limits, |
1da177e4 | 23 | .owner = THIS_MODULE, |
218f6687 | 24 | .flags = CPUFREQ_GOV_STRICT_TARGET, |
1da177e4 | 25 | }; |
1da177e4 | 26 | |
1da177e4 LT |
27 | MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>"); |
28 | MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'"); | |
29 | MODULE_LICENSE("GPL"); | |
30 | ||
30d221db | 31 | #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE |
de1df26b RW |
32 | struct cpufreq_governor *cpufreq_default_governor(void) |
33 | { | |
34 | return &cpufreq_gov_powersave; | |
35 | } | |
30d221db | 36 | #endif |
10dd8573 QP |
37 | |
38 | cpufreq_governor_init(cpufreq_gov_powersave); | |
39 | cpufreq_governor_exit(cpufreq_gov_powersave); |