[PATCH] powerpc: powernv: Fix build error on const discarding

[Madhavan Srinivasan]

On Wednesday 16 August 2017 06:04 PM, Corentin Labbe wrote:
> When building a random powerpc kernel I hit this build error:
>    CC      arch/powerpc/platforms/powernv/opal-imc.o
> arch/powerpc/platforms/powernv/opal-imc.c: In function « disable_nest_pmu_counters »:
> arch/powerpc/platforms/powernv/opal-imc.c:130:13: error : assignment discards « const » qualifier from pointer target type [-Werror=discarded-qualifiers]
>     l_cpumask = cpumask_of_node(nid);
>               ^
> This patch simply add const to l_cpumask to fix this issue.

Reviewed-by: Madhavan Srinivasan <maddy at linux.vnet.ibm.com>
> Signed-off-by: Corentin Labbe <clabbe.montjoie at gmail.com>
> ---
>   arch/powerpc/platforms/powernv/opal-imc.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c
> index b903bf5e6006..21f6531fae20 100644
> --- a/arch/powerpc/platforms/powernv/opal-imc.c
> +++ b/arch/powerpc/platforms/powernv/opal-imc.c
> @@ -123,7 +123,7 @@ static int imc_pmu_create(struct device_node *parent, int pmu_index, int domain)
>   static void disable_nest_pmu_counters(void)
>   {
>   	int nid, cpu;
> -	struct cpumask *l_cpumask;
> +	const struct cpumask *l_cpumask;
>
>   	get_online_cpus();
>   	for_each_online_node(nid) {