[PATCH 2/9] ARM: shmobile: add GPIO IRQ macro

[Olof Johansson]

On Mon, May 27, 2013 at 06:59:26PM +0900, Simon Horman wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> 
> R-Car series gpio_rcar driver can control GPIO IRQ today.
> It needs base IRQ number for gpio_rcar_config :: .irq_base
> This patch adds macro for GPIO IRQ.
> This patch was tested on Bock-W board
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
> ---
>  arch/arm/mach-shmobile/include/mach/irqs.h |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h
> index b2074e2..d241bfd 100644
> --- a/arch/arm/mach-shmobile/include/mach/irqs.h
> +++ b/arch/arm/mach-shmobile/include/mach/irqs.h
> @@ -16,4 +16,9 @@
>  #define IRQPIN_BASE		2000
>  #define irq_pin(nr)		((nr) + IRQPIN_BASE)
>  
> +/* GPIO IRQ */
> +#define _GPIO_IRQ_BASE		2500
> +#define GPIO_IRQ_BASE(x)	(_GPIO_IRQ_BASE + (32 * x))
> +#define GPIO_IRQ(x, y)		(_GPIO_IRQ_BASE + (32 * x) + y)
> +
>  #endif /* __ASM_MACH_IRQS_H */

Hmm. It'd be real nice to see some effort on moving this over to sparse
irq instead. That'll be needed for full device tree conversion anyway. And
with that, the static irq bases will be gone, so drivers and some of
the platform code will need to be adjusted accordingly.


-Olof