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[trusty,3/3] cpufreq: powernv: Select CPUFreq related Kconfig options for powernv

Message ID 1397749021-2322-4-git-send-email-mauricfo@linux.vnet.ibm.com
State New
Headers show

Commit Message

Mauricio Faria de Oliveira April 17, 2014, 3:37 p.m. UTC 
From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>

Enable CPUFreq for PowerNV. Select "performance", "powersave",
"userspace" and "ondemand" governors. Choose "ondemand" to be the
default governor.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

(backported from commit 81f359027a3a383cc1dc79499ce97f1074861e5b)
BugLink: http://bugs.launchpad.net/bugs/1294398
Conflicts:
	arch/powerpc/configs/pseries_defconfig
Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
---
 arch/powerpc/configs/pseries_defconfig    | 1 +
 arch/powerpc/configs/pseries_le_defconfig | 1 +
 arch/powerpc/platforms/powernv/Kconfig    | 6 ++++++
 3 files changed, 8 insertions(+)
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Patch

diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index e9a8b4e..a285d44 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -353,3 +353,4 @@  CONFIG_CRYPTO_DEV_NX_ENCRYPT=m
 CONFIG_VIRTUALIZATION=y
 CONFIG_KVM_BOOK3S_64=m
 CONFIG_KVM_BOOK3S_64_HV=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
diff --git a/arch/powerpc/configs/pseries_le_defconfig b/arch/powerpc/configs/pseries_le_defconfig
index 62771e0..47e6161 100644
--- a/arch/powerpc/configs/pseries_le_defconfig
+++ b/arch/powerpc/configs/pseries_le_defconfig
@@ -350,3 +350,4 @@  CONFIG_CRYPTO_LZO=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_DEV_NX=y
 CONFIG_CRYPTO_DEV_NX_ENCRYPT=m
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig
index 9fced3f..14bf842 100644
--- a/arch/powerpc/platforms/powernv/Kconfig
+++ b/arch/powerpc/platforms/powernv/Kconfig
@@ -11,6 +11,12 @@  config PPC_POWERNV
 	select PPC_UDBG_16550
 	select PPC_SCOM
 	select ARCH_RANDOM
+	select CPU_FREQ
+	select CPU_FREQ_GOV_PERFORMANCE
+	select CPU_FREQ_GOV_POWERSAVE
+	select CPU_FREQ_GOV_USERSPACE
+	select CPU_FREQ_GOV_ONDEMAND
+	select CPU_FREQ_GOV_CONSERVATIVE
 	default y
 
 config POWERNV_MSI