Add lagfree and smoothass CPU governors.

arch/arm/configs/stratosphere_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.35.7-EI2
-# Tue Jul 10 00:32:48 2012
+# Tue Jul 10 00:42:37 2012
 #
 CONFIG_ARM=y
 CONFIG_HAVE_PWM=y
@@ -458,6 +458,8 @@ CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 # CONFIG_CPU_FREQ_DEFAULT_GOV_INTERACTIVE is not set
 # CONFIG_CPU_FREQ_DEFAULT_GOV_SMARTASS is not set
 # CONFIG_CPU_FREQ_DEFAULT_GOV_SMARTASS2 is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_LAGFREE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_SMOOTHASS is not set
 CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
@@ -466,6 +468,10 @@ CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
 CONFIG_CPU_FREQ_GOV_INTERACTIVE=y
 # CONFIG_CPU_FREQ_GOV_SMARTASS is not set
 CONFIG_CPU_FREQ_GOV_SMARTASS2=y
+CONFIG_CPU_FREQ_GOV_LAGFREE=y
+CONFIG_CPU_FREQ_MIN_TICKS=10
+CONFIG_CPU_FREQ_SAMPLING_LATENCY_MULTIPLIER=1000
+CONFIG_CPU_FREQ_GOV_SMOOTHASS=y
 CONFIG_CPU_IDLE=y
 CONFIG_CPU_IDLE_GOV_LADDER=y
 CONFIG_CPU_IDLE_GOV_MENU=y

build.sh

@@ -11,7 +11,7 @@ DATE=$(date +%m%d)
 
 
 # Edit This for your Toolchain Dir
-TOOLCHAIN=/opt/toolchains/2009q3-68/bin/arm-none-eabi-
+TOOLCHAIN=/opt/toolchains/arm-2009q3/bin/arm-none-linux-gnueabi-
 
 
 # execution!

drivers/cpufreq/Kconfig

@@ -132,6 +132,26 @@ config CPU_FREQ_DEFAULT_GOV_SMARTASS2
         select CPU_FREQ_GOV_SMARTASS2
         help
             Use the CPUFreq governor 'smartassV2' as default.
+
+config CPU_FREQ_DEFAULT_GOV_LAGFREE
+	bool "lagfree"
+	select CPU_FREQ_GOV_LAGFREE
+	select CPU_FREQ_GOV_PERFORMANCE
+	help
+	  Use the CPUFreq governor 'lagfree' as default. This allows
+	  you to get a full dynamic frequency capable system by simply
+	  loading your cpufreq low-level hardware driver.
+	  Be aware that not all cpufreq drivers support the lagfree
+	  governor. If unsure have a look at the help section of the
+	  driver. Fallback governor will be the performance governor.
+
+config CPU_FREQ_DEFAULT_GOV_SMOOTHASS
+	bool "smoothass"
+	select CPU_FREQ_GOV_SMOOTHASS
+	select CPU_FREQ_GOV_PERFORMANCE
+	help
+	  Use CPUFREQ smoothass as default.
+
 endchoice
 
 config CPU_FREQ_GOV_PERFORMANCE
@@ -229,5 +249,43 @@ config CPU_FREQ_GOV_SMARTASS2
             'smartassV2' - a "smart" governor
             If in doubt, say N.
 
+config CPU_FREQ_GOV_LAGFREE
+	tristate "'lagfree' cpufreq governor"
+	depends on CPU_FREQ
+	help
+	  'lagfree' - this driver is rather similar to the 'ondemand'
+	  governor both in its source code and its purpose, the difference is
+	  its optimisation for better suitability in a battery powered
+	  environment.  The frequency is gracefully increased and decreased
+	  rather than jumping to 100% when speed is required.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called cpufreq_lagfree.
+
+	  For details, take a look at linux/Documentation/cpu-freq.
+
+	  If in doubt, say N.
+
+config CPU_FREQ_MIN_TICKS
+	int "Ticks between governor polling interval."
+	depends on CPU_FREQ_GOV_LAGFREE
+	default 10
+	help
+	  Minimum number of ticks between polling interval for governors.
+
+config CPU_FREQ_SAMPLING_LATENCY_MULTIPLIER
+	int "Sampling rate multiplier for governors."
+	depends on CPU_FREQ_GOV_LAGFREE
+	default 1000
+	help
+	  Sampling latency rate multiplied by the cpu switch latency.
+	  Affects governor polling.
+
+config CPU_FREQ_GOV_SMOOTHASS
+	tristate "'smoothass' governor"
+	depends on CPU_FREQ
+	help
+	  Slightly more aggressive smartass
+
 endif	# CPU_FREQ
 

drivers/cpufreq/Makefile

@@ -12,6 +12,9 @@ obj-$(CONFIG_CPU_FREQ_GOV_CONSERVATIVE)	+= cpufreq_conservative.o
 obj-$(CONFIG_CPU_FREQ_GOV_INTERACTIVE)	+= cpufreq_interactive.o
 obj-$(CONFIG_CPU_FREQ_GOV_SMARTASS)  	+= cpufreq_smartass.o
 obj-$(CONFIG_CPU_FREQ_GOV_SMARTASS2)   += cpufreq_smartass2.o
+obj-$(CONFIG_CPU_FREQ_GOV_LAGFREE)      += cpufreq_lagfree.o
+obj-$(CONFIG_CPU_FREQ_GOV_SMOOTHASS)    += cpufreq_smoothass.o
+
 
 # CPUfreq cross-arch helpers
 obj-$(CONFIG_CPU_FREQ_TABLE)		+= freq_table.o