[PATCH v5 06/14] ARM: mcpm: support 4 clusters

[Olof Johansson]

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
>  	  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