From: Hans Ulrich Niedermann <linux-kernel@n-dimensional.de>
To: davej@codemonkey.org.uk
Cc: cpufreq@www.linux.org.uk
Subject: [PATCH 2.6] Make 'powersave' cpufreq governor a possible default governor
Date: Wed, 14 Jan 2004 22:17:43 +0100 [thread overview]
Message-ID: <86fzei1b7s.fsf@n-dimensional.de> (raw)
You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================
ChangeSet@1.1511, 2004-01-13 04:10:11+01:00, kdim@n-dimensional.de
[CPUFREQ] Make 'powersave' cpufreq governor a possible default governor
drivers/cpufreq/Kconfig | 8 ++++++++
drivers/cpufreq/cpufreq_powersave.c | 5 +++--
include/linux/cpufreq.h | 3 +++
3 files changed, 14 insertions(+), 2 deletions(-)
diff -Nru a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
--- a/drivers/cpufreq/Kconfig Wed Jan 14 22:14:14 2004
+++ b/drivers/cpufreq/Kconfig Wed Jan 14 22:14:14 2004
@@ -26,6 +26,14 @@
the frequency statically to the highest frequency supported by
the CPU.
+config CPU_FREQ_DEFAULT_GOV_POWERSAVE
+ bool "powersave"
+ select CPU_FREQ_GOV_POWERSAVE
+ help
+ Use the CPUFreq governor 'powersave' as default. This sets
+ the frequency statically to the lowest frequency supported by
+ the CPU.
+
config CPU_FREQ_DEFAULT_GOV_USERSPACE
bool "userspace"
select CPU_FREQ_GOV_USERSPACE
diff -Nru a/drivers/cpufreq/cpufreq_powersave.c b/drivers/cpufreq/cpufreq_powersave.c
--- a/drivers/cpufreq/cpufreq_powersave.c Wed Jan 14 22:14:14 2004
+++ b/drivers/cpufreq/cpufreq_powersave.c Wed Jan 14 22:14:14 2004
@@ -29,11 +29,12 @@
return 0;
}
-static struct cpufreq_governor cpufreq_gov_powersave = {
+struct cpufreq_governor cpufreq_gov_powersave = {
.name = "powersave",
.governor = cpufreq_governor_powersave,
.owner = THIS_MODULE,
};
+EXPORT_SYMBOL(cpufreq_gov_powersave);
static int __init cpufreq_gov_powersave_init(void)
@@ -52,5 +53,5 @@
MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
MODULE_LICENSE("GPL");
-module_init(cpufreq_gov_powersave_init);
+fs_initcall(cpufreq_gov_powersave_init);
module_exit(cpufreq_gov_powersave_exit);
diff -Nru a/include/linux/cpufreq.h b/include/linux/cpufreq.h
--- a/include/linux/cpufreq.h Wed Jan 14 22:14:14 2004
+++ b/include/linux/cpufreq.h Wed Jan 14 22:14:14 2004
@@ -299,6 +299,9 @@
#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
extern struct cpufreq_governor cpufreq_gov_performance;
#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_performance
+#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE)
+extern struct cpufreq_governor cpufreq_gov_powersave;
+#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_powersave
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE)
extern struct cpufreq_governor cpufreq_gov_userspace;
#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_userspace
===================================================================
This BitKeeper patch contains the following changesets:
1.1511
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reply other threads:[~2004-01-14 21:17 UTC|newest]
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