Re: [PATCH] irqchip: aramda370-xp: fix compilation warning

From: Thomas Gleixner
Date: Tue Oct 29 2013 - 11:04:45 EST


On Tue, 29 Oct 2013, Vincent Donnefort wrote:

Subject line : irqchip: aramda370-xp: fix compilation warning

We are not fixing compilation warnings. We modify the code so the
compiler does not longer issue a warning.

> From: Vincent Donnefort <vdonnefort@xxxxxxxxx>
> Fix the following compilation warning:
> drivers/irqchip/irq-armada-370-xp.c:55:23: warning: 'irq_controller_lock' defined but not used [-Wunused-variable]
> Signed-off-by: Vincent Donnefort <vdonnefort@xxxxxxxxx>
> diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
> index bb328a3..75c3141 100644
> --- a/drivers/irqchip/irq-armada-370-xp.c
> +++ b/drivers/irqchip/irq-armada-370-xp.c
> @@ -52,7 +52,9 @@
> #define IPI_DOORBELL_END (8)
> +#ifdef CONFIG_SMP
> static DEFINE_RAW_SPINLOCK(irq_controller_lock);
> +#endif

Instead of adding a new ifdeffery you should just move it into the
existing #ifdef CONFIG_SMP section, which also contains the only usage
site of irq_controller_lock


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at