[PATCH v5 06/14] ARM: mcpm: support 4 clusters
From: Olof Johansson <hidden>
Date: 2014-05-07 16:48:16
On Wed, May 07, 2014 at 10:44:40PM +0800, Haojian Zhuang wrote:
quoted hunk ↗ jump to hunk
Add the CONFIG_MCPM_QUAD_CLUSTER configuration to enlarge cluster number from 2 to 4. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> --- arch/arm/Kconfig | 9 +++++++++ arch/arm/include/asm/mcpm.h | 5 +++++ 2 files changed, 14 insertions(+)diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0e52a2c..624829f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig@@ -1575,6 +1575,15 @@ config MCPM for (multi-)cluster based systems, such as big.LITTLE based systems. +config MCPM_QUAD_CLUSTER + bool "Enable Quad clusters in MCPM" + 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. +
Why don't you add an integer config instead, i.e. MCPM_MAX_CLUSTERS, and let that set MAX_NR_CLUSTERS? -Olof