aboutsummaryrefslogtreecommitdiffstats
path: root/recipes/linux/gumstix-kernel-2.6.21/cpufreq-ondemand-by-default.patch
blob: bb5443cdef0687c1df3c7437f30d0fbc1d0b50a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Index: linux-2.6.21gum/drivers/cpufreq/Kconfig
===================================================================
--- linux-2.6.21gum.orig/drivers/cpufreq/Kconfig
+++ linux-2.6.21gum/drivers/cpufreq/Kconfig
@@ -52,7 +52,7 @@ config CPU_FREQ_STAT_DETAILS
 
 choice
 	prompt "Default CPUFreq governor"
-	default CPU_FREQ_DEFAULT_GOV_USERSPACE if CPU_FREQ_SA1100 || CPU_FREQ_SA1110
+	default CPU_FREQ_DEFAULT_GOV_USERSPACE if CPU_FREQ_SA1100 || CPU_FREQ_SA1110 || CPU_FREQ_PXA
 	default CPU_FREQ_DEFAULT_GOV_PERFORMANCE
 	help
 	  This option sets which CPUFreq governor shall be loaded at
@@ -75,6 +75,14 @@ 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 sets
+	  the frequency dynamically based on CPU load, throttling up
+	  and down as necessary.
+
 endchoice
 
 config CPU_FREQ_GOV_PERFORMANCE
Index: linux-2.6.21gum/include/linux/cpufreq.h
===================================================================
--- linux-2.6.21gum.orig/include/linux/cpufreq.h
+++ linux-2.6.21gum/include/linux/cpufreq.h
@@ -286,6 +286,9 @@ 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