[PATCH] powerpc/pseries: Fix build break when MEMORY_HOTREMOVE=n

[Nathan Fontenot]

On 02/15/2017 09:01 PM, Michael Ellerman wrote:
> We broke the build when CONFIG_MEMORY_HOTREMOVE=n:
> 
>   arch/powerpc/platforms/pseries/hotplug-memory.c:821:8: error: implicit
>   declaration of function 'dlpar_memory_readd_by_index'
> 
> Add a dummy to fix it.
> 
> Fixes: e70d59700fc3 ("powerpc/pseries: Introduce memory hotplug READD operation")
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Looks like we both saw the same thing today, this was patch 1/4 in the
'Implement indexed-count memory hotplug'​ patchset I sent out earlier today.
Perhaps I should have sent that as a separate patch.

Reviewed-by: Nathan Fontenot <nfont at linux.vnet.ibm.com>
> ---
>  arch/powerpc/platforms/pseries/hotplug-memory.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
> index 3381c20edbc0..b3b92814ce87 100644
> --- a/arch/powerpc/platforms/pseries/hotplug-memory.c
> +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
> @@ -628,7 +628,10 @@ static int dlpar_memory_remove_by_index(u32 drc_index, struct property *prop)
>  {
>  	return -EOPNOTSUPP;
>  }
> -
> +static int dlpar_memory_readd_by_index(u32 drc_index, struct property *prop)
> +{
> +	return -EOPNOTSUPP;
> +}
>  #endif /* CONFIG_MEMORY_HOTREMOVE */
> 
>  static int dlpar_add_lmb(struct of_drconf_cell *lmb)
>