The following patches should allow selection of conservative, powersave, and
ondemand in the kernel configuration.
William Heimbigner
[email protected]
diff -uprN -X linux-2.6.21-rc7-git6/Documentation/dontdiff linux-2.6.21-rc7-git6/drivers/cpufreq/Kconfig linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/Kconfig
--- linux-2.6.21-rc7-git6/drivers/cpufreq/Kconfig 2007-04-25 13:03:41.000000000 -0500
+++ linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/Kconfig 2007-04-25 13:08:13.000000000 -0500
@@ -75,6 +75,24 @@ config CPU_FREQ_DEFAULT_GOV_USERSPACE
program shall be able to set the CPU dynamically without having
to enable the userspace governor manually.
+config CPU_FREQ_DEFAULT_GOV_POWERSAVE
+ bool "powersave"
+ select CPU_FREQ_GOV_POWERSAVE
+ help
+ Use the CPUFreq governor 'powersave' as default.
+
+config CPU_FREQ_DEFAULT_GOV_CONSERVATIVE
+ bool "conservative"
+ select CPU_FREQ_GOV_CONSERVATIVE
+ help
+ Use the CPUFreq governor 'conservative' as the default.
+
+config CPU_FREQ_DEFAULT_GOV_ONDEMAND
+ bool "ondemand"
+ select CPU_FREQ_GOV_ONDEMAND
+ help
+ Use the CPUFreq governor 'ondemand' as the default.
+
endchoice
config CPU_FREQ_GOV_PERFORMANCE
diff -uprN -X linux-2.6.21-rc7-git6/Documentation/dontdiff linux-2.6.21-rc7-git6/drivers/cpufreq/cpufreq_conservative.c linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/cpufreq_conservative.c
--- linux-2.6.21-rc7-git6/drivers/cpufreq/cpufreq_conservative.c 2007-04-25 13:03:41.000000000 -0500
+++ linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/cpufreq_conservative.c 2007-04-25 09:54:58.000000000 -0500
@@ -551,7 +551,7 @@ static int cpufreq_governor_dbs(struct c
return 0;
}
-static struct cpufreq_governor cpufreq_gov_dbs = {
+struct cpufreq_governor cpufreq_gov_conservative = {
.name = "conservative",
.governor = cpufreq_governor_dbs,
.owner = THIS_MODULE,
@@ -559,7 +559,7 @@ static struct cpufreq_governor cpufreq_g
static int __init cpufreq_gov_dbs_init(void)
{
- return cpufreq_register_governor(&cpufreq_gov_dbs);
+ return cpufreq_register_governor(&cpufreq_gov_conservative);
}
static void __exit cpufreq_gov_dbs_exit(void)
@@ -567,7 +567,7 @@ static void __exit cpufreq_gov_dbs_exit(
/* Make sure that the scheduled work is indeed not running */
flush_scheduled_work();
- cpufreq_unregister_governor(&cpufreq_gov_dbs);
+ cpufreq_unregister_governor(&cpufreq_gov_conservative);
}
diff -uprN -X linux-2.6.21-rc7-git6/Documentation/dontdiff linux-2.6.21-rc7-git6/drivers/cpufreq/cpufreq_ondemand.c linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/cpufreq_ondemand.c
--- linux-2.6.21-rc7-git6/drivers/cpufreq/cpufreq_ondemand.c 2007-04-25 13:03:41.000000000 -0500
+++ linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/cpufreq_ondemand.c 2007-04-25 13:17:00.000000000 -0500
@@ -573,7 +573,7 @@ static int cpufreq_governor_dbs(struct c
return 0;
}
-static struct cpufreq_governor cpufreq_gov_dbs = {
+struct cpufreq_governor cpufreq_gov_ondemand = {
.name = "ondemand",
.governor = cpufreq_governor_dbs,
.owner = THIS_MODULE,
@@ -586,12 +586,12 @@ static int __init cpufreq_gov_dbs_init(v
printk(KERN_ERR "Creation of kondemand failed\n");
return -EFAULT;
}
- return cpufreq_register_governor(&cpufreq_gov_dbs);
+ return cpufreq_register_governor(&cpufreq_gov_ondemand);
}
static void __exit cpufreq_gov_dbs_exit(void)
{
- cpufreq_unregister_governor(&cpufreq_gov_dbs);
+ cpufreq_unregister_governor(&cpufreq_gov_ondemand);
destroy_workqueue(kondemand_wq);
}
diff -uprN -X linux-2.6.21-rc7-git6/Documentation/dontdiff linux-2.6.21-rc7-git6/drivers/cpufreq/cpufreq_powersave.c linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/cpufreq_powersave.c
--- linux-2.6.21-rc7-git6/drivers/cpufreq/cpufreq_powersave.c 2007-02-04 12:44:54.000000000 -0600
+++ linux-2.6.21-rc7-git6-hwill/drivers/cpufreq/cpufreq_powersave.c 2007-04-25 08:51:03.000000000 -0500
@@ -35,7 +35,7 @@ static int cpufreq_governor_powersave(st
return 0;
}
-static struct cpufreq_governor cpufreq_gov_powersave = {
+struct cpufreq_governor cpufreq_gov_powersave = {
.name = "powersave",
.governor = cpufreq_governor_powersave,
.owner = THIS_MODULE,
diff -uprN -X linux-2.6.21-rc7-git6/Documentation/dontdiff linux-2.6.21-rc7-git6/include/linux/cpufreq.h linux-2.6.21-rc7-git6-hwill/include/linux/cpufreq.h
--- linux-2.6.21-rc7-git6/include/linux/cpufreq.h 2007-04-25 13:04:00.000000000 -0500
+++ linux-2.6.21-rc7-git6-hwill/include/linux/cpufreq.h 2007-04-25 13:10:26.000000000 -0500
@@ -286,6 +286,15 @@ extern struct cpufreq_governor cpufreq_g
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE)
extern struct cpufreq_governor cpufreq_gov_userspace;
#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_userspace
+#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_CONSERVATIVE)
+extern struct cpufreq_governor cpufreq_gov_conservative;
+#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_conservative
+#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND)
+extern struct cpufreq_governor cpufreq_gov_ondemand;
+#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_ondemand
#endif
-
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