cpufreq_powersave.c 1.0 KB

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