linux-kernel - [PATCH v5 1/3] powernv, cpufreq: Select CPUFreq related Kconfig options for powernv

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Message-Id: <1396037484-23907-2-git-send-email-ego@linux.vnet.ibm.com>
Date:	Sat, 29 Mar 2014 01:41:22 +0530
From:	"Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>, rjw@...ysocki.net,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linuxppc-dev@...abs.org, Linux PM list <linux-pm@...r.kernel.org>,
	svaidy@...ux.vnet.ibm.com, srivatsa.bhat@...ux.vnet.ibm.com,
	Anton Blanchard <anton@...ba.org>, cpufreq@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>
Subject: [PATCH v5 1/3] powernv, cpufreq: Select CPUFreq related Kconfig options for powernv

From: "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>

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

Signed-off-by: Gautham R. Shenoy <ego@...ux.vnet.ibm.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.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(+)

diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 9ea8342b..a905063 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -306,3 +306,4 @@ CONFIG_KVM_BOOK3S_64=m
 CONFIG_KVM_BOOK3S_64_HV=y
 CONFIG_TRANSPARENT_HUGEPAGE=y
 CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=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 3c84f9d..58e3dbf 100644
--- a/arch/powerpc/configs/pseries_le_defconfig
+++ b/arch/powerpc/configs/pseries_le_defconfig
@@ -301,3 +301,4 @@ 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 895e8a2..c252ee9 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 PPC_POWERNV_RTAS
-- 
1.8.3.1

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