Re: [PATCH] irqchip: s3c24xx: mark init_eint as __maybe_unused

From: Marc Zyngier
Date: Mon Jan 25 2016 - 11:19:33 EST


On 25/01/16 15:58, Arnd Bergmann wrote:
> The init_eint array in the s3c24xx irqchip driver is used by
> every individual chip variant, but Kconfig allows building
> the driver when they are all disabled, and that leads to
> a harmless compile-time warning:
>
> drivers/irqchip/irq-s3c24xx.c:608:28: error: 'init_eint' defined but not used [-Werror=unused-variable]
>
> This marks the array as __maybe_unused to avoid the warning.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/irqchip/irq-s3c24xx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c
> index c71914e8f596..5dc5a760c723 100644
> --- a/drivers/irqchip/irq-s3c24xx.c
> +++ b/drivers/irqchip/irq-s3c24xx.c
> @@ -605,7 +605,7 @@ err:
> return ERR_PTR(ret);
> }
>
> -static struct s3c_irq_data init_eint[32] = {
> +static struct s3c_irq_data __maybe_unused init_eint[32] = {
> { .type = S3C_IRQTYPE_NONE, }, /* reserved */
> { .type = S3C_IRQTYPE_NONE, }, /* reserved */
> { .type = S3C_IRQTYPE_NONE, }, /* reserved */
>

Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>

M.
--
Jazz is not dead. It just smells funny...