Subject: Re: [PATCH 1/3] powerpc/powernv: Fix CPU_HOTPLUG=n idle.c compile error

From: Gautham R Shenoy <[email-masked]>
Date: Fri, 12 May 2017 14:49:33 +0530

Hi Nick,
On Fri, May 12, 2017 at 01:15:20AM +1000, Nicholas Piggin wrote:
> Fixes: a7cd88da97 ("powerpc/powernv: Move CPU-Offline idle state invocation from smp.c to idle.c")
> Cc: Gautham R. Shenoy <[email-masked]>
> Signed-off-by: Nicholas Piggin <[email-masked]>
> ---
>  arch/powerpc/platforms/powernv/idle.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c
> index 445f30a2c5ef..0c21747ed7e0 100644
> --- a/arch/powerpc/platforms/powernv/idle.c
> +++ b/arch/powerpc/platforms/powernv/idle.c
> @@ -261,6 +261,7 @@ static u64 pnv_deepest_stop_psscr_val;
>  static u64 pnv_deepest_stop_psscr_mask;
>  static bool deepest_stop_found;
> 
> +#ifdef CONFIG_HOTPLUG_CPU
>  /*
>   * pnv_cpu_offline: A function that puts the CPU into the deepest
>   * available platform idle state on a CPU-Offline.
> @@ -293,6 +294,7 @@ unsigned long pnv_cpu_offline(unsigned int cpu)
> 
>  	return srr1;
>  }
> +#endif

Looks like the updated verison of "powerpc/powernv: Move CPU-Offline
idle state invocation from smp.c to idle.c"
(https://lkml.org/lkml/2017/3/30/235) wasn't picked.

Thanks for catching this!
Acked-by: Gautham R. Shenoy <[email-masked]>

> 
>  /*
>   * Power ISA 3.0 idle initialization.
> -- 
> 2.11.0
> 

--
Thanks and Regards
gautham.