On pon, 2014-07-14 at 07:35 -0400, Nicolas Pitre wrote:
> 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.
Sure, I'll remove the cc-stable tag, add your ack and send to the patch
system.
Thanks,
Krzysztof
>
>
> > ---
> > 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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