[PATCH] Add on-demand cpu-freq governor as default option

[Con Kolivas]

This patch adds the option of using the on-demand cpu-frequency governor as 
the default governor in Kconfig.

Signed-off-by: Con Kolivas <kernel@xxxxxxxxxxx>

Index: linux-2.6.9-rc2-mm1/drivers/cpufreq/Kconfig
===================================================================
--- linux-2.6.9-rc2-mm1.orig/drivers/cpufreq/Kconfig	2004-09-19 19:49:57.716825544 +1000
+++ linux-2.6.9-rc2-mm1/drivers/cpufreq/Kconfig	2004-09-19 19:52:36.919623040 +1000
@@ -36,6 +36,17 @@ 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_ONDEMAND
+	bool "ondemand"
+	select CPU_FREQ_GOV_ONDEMAND
+	help
+	  Use the CPUFreq governor 'ondemand' as default. 
+	  This governor does a periodic polling and 
+	  changes frequency based on the CPU utilization.
+	  The support for this governor depends on CPU capability to
+	  do fast frequency switching (i.e, very low latency frequency
+	  transitions). 
+
 endchoice
 
 config CPU_FREQ_GOV_PERFORMANCE
Index: linux-2.6.9-rc2-mm1/include/linux/cpufreq.h
===================================================================
--- linux-2.6.9-rc2-mm1.orig/include/linux/cpufreq.h	2004-09-19 19:49:57.765818096 +1000
+++ linux-2.6.9-rc2-mm1/include/linux/cpufreq.h	2004-09-19 19:52:36.919623040 +1000
@@ -323,6 +323,9 @@ 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_ONDEMAND)
+extern struct cpufreq_governor cpufreq_gov_dbs;
+#define CPUFREQ_DEFAULT_GOVERNOR	&cpufreq_gov_dbs
 #endif