On Mon, 14 Jul 2014, Krzysztof Kozlowski wrote:
> Building of EXYNOS5420_MCPM with disabled SUSPEND fails:
> arch/arm/mach-exynos/built-in.o: In function `exynos_mcpm_init':
> arch/arm/mach-exynos/mcpm-exynos.c:361: undefined reference to `mcpm_loopback'
>
> The exynos_mcpm_init() in mcp-exynos.c calls mcpm_loopback() which
> depends on cpu_suspend function (ARM_CPU_SUSPEND).
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
No need to CC stable here as this code has not reached a released kernel
yet.
> Fixes: a6a4d3152e3cbb6 ("ARM: 8083/1: exynos: activate the CCI on boot CPU/cluster using the MCPM loopback")
And this is not clear yet if this commit ID is stable.
Other than that:
Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>
Please send to RMK's patch system.
> ---
> arch/arm/mach-exynos/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
> index 8f9b66c4ac78..5d4ff6571dcd 100644
> --- a/arch/arm/mach-exynos/Kconfig
> +++ b/arch/arm/mach-exynos/Kconfig
> @@ -119,6 +119,7 @@ config EXYNOS5420_MCPM
> bool "Exynos5420 Multi-Cluster PM support"
> depends on MCPM && SOC_EXYNOS5420
> select ARM_CCI
> + select ARM_CPU_SUSPEND
> help
> This is needed to provide CPU and cluster power management
> on Exynos5420 implementing big.LITTLE.
> --
> 1.9.1
>
>
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