[PATCH] irqchip: Add irqchip_init dummy function

[Sergei Shtylyov]

Hello.

On 08-05-2013 17:20, Bastian Hecht wrote:

> We add an empty irqchip_init dummy function for cases in which
> CONFIG_IRQCHIP is not used. In these cases irqchip.c is not compiled,
> but a funtion call may still be present in architecture code, that in
> runtime doesn't get hit.

> E.g. this is needed in the arch/arm/mach-shmobile/intc-r8a7740.c
> interrupt setup code where OF use and non OF us is both handled in one
> file.

> Signed-off-by: Bastian Hecht <hechtb+renesas at gmail.com>
> ---
>   include/linux/irqchip.h |    4 ++++
>   1 file changed, 4 insertions(+)

> diff --git a/include/linux/irqchip.h b/include/linux/irqchip.h
> index e0006f1..78527ba 100644
> --- a/include/linux/irqchip.h
> +++ b/include/linux/irqchip.h
> @@ -11,6 +11,10 @@
>   #ifndef _LINUX_IRQCHIP_H
>   #define _LINUX_IRQCHIP_H
>
> +#ifdef CONFIG_IRQCHIP
>   void irqchip_init(void);
> +#else
> +void irqchip_init(void) {};

    Semicolon not needed here.

> +#endif

WBR, Sergei