[PATCH v5 06/14] ARM: mcpm: support 4 clusters
olof at lixom.net
Wed May 7 09:48:16 PDT 2014
On Wed, May 07, 2014 at 10:44:40PM +0800, Haojian Zhuang wrote:
> Add the CONFIG_MCPM_QUAD_CLUSTER configuration to enlarge cluster number
> from 2 to 4.
> Signed-off-by: Haojian Zhuang <haojian.zhuang at 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
> +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?
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