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Diffstat (limited to 'drivers/cpufreq/cpufreq_performance.c')
-rw-r--r--drivers/cpufreq/cpufreq_performance.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_performance.c b/drivers/cpufreq/cpufreq_performance.c
new file mode 100644
index 0000000000..addd93f2a4
--- /dev/null
+++ b/drivers/cpufreq/cpufreq_performance.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/cpufreq/cpufreq_performance.c
+ *
+ * Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/cpufreq.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+static void cpufreq_gov_performance_limits(struct cpufreq_policy *policy)
+{
+ pr_debug("setting to %u kHz\n", policy->max);
+ __cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
+}
+
+static struct cpufreq_governor cpufreq_gov_performance = {
+ .name = "performance",
+ .owner = THIS_MODULE,
+ .flags = CPUFREQ_GOV_STRICT_TARGET,
+ .limits = cpufreq_gov_performance_limits,
+};
+
+#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
+struct cpufreq_governor *cpufreq_default_governor(void)
+{
+ return &cpufreq_gov_performance;
+}
+#endif
+#ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
+struct cpufreq_governor *cpufreq_fallback_governor(void)
+{
+ return &cpufreq_gov_performance;
+}
+#endif
+
+MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
+MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
+MODULE_LICENSE("GPL");
+
+cpufreq_governor_init(cpufreq_gov_performance);
+cpufreq_governor_exit(cpufreq_gov_performance);