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authorHaojian Zhuang <haojian.zhuang@linaro.org>2014-04-15 08:52:00 +0200
committerWei Xu <xuwei5@hisilicon.com>2014-09-03 15:09:58 +0200
commitebf4a5c5b4027b682ed8877a938e6d1d92f37745 (patch)
treef67f4ea317fd7d0d3858bb7d7b12baf2f7890a70 /arch/arm/Kconfig
parentLinux 3.17-rc1 (diff)
downloadlinux-ebf4a5c5b4027b682ed8877a938e6d1d92f37745.tar.xz
linux-ebf4a5c5b4027b682ed8877a938e6d1d92f37745.zip
ARM: mcpm: support 4 clusters
Add the CONFIG_MCPM_QUAD_CLUSTER configuration to enlarge cluster number from 2 to 4. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> Reviewed-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c49a775937db..e43221ab4048 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1405,6 +1405,15 @@ config MCPM
for (multi-)cluster based systems, such as big.LITTLE based
systems.
+config MCPM_QUAD_CLUSTER
+ bool
+ depends on MCPM
+ help
+ To avoid wasting resources unnecessarily, MCPM only supports up
+ to 2 clusters by default.
+ Platforms with 3 or 4 clusters that use MCPM must select this
+ option to allow the additional clusters to be managed.
+
config BIG_LITTLE
bool "big.LITTLE support (Experimental)"
depends on CPU_V7 && SMP