[PATCH 3/3] powerpc: fix comment in kernel/irq.c

[Benjamin Herrenschmidt]

On Wed, 2006-12-13 at 13:38 +0100, Johannes Berg wrote:
> plain text document attachment (irq-comment.patch)
> kernel/irq.c contains a comment that speaks of -1 and -2 as interrupt
> numbers, but this is actually dependent on configuration options now.
> Replace by NO_IRQ and NO_IRQ_ENABLED.
> 
> Signed-off-by: Johannes Berg <johannes at sipsolutions.net>

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>

> --- linux-2.6-git.orig/arch/powerpc/kernel/irq.c	2006-12-13 12:03:44.406144791 +0100
> +++ linux-2.6-git/arch/powerpc/kernel/irq.c	2006-12-13 12:04:05.727144791 +0100
> @@ -281,10 +281,10 @@ void do_IRQ(struct pt_regs *regs)
>  
>  	/*
>  	 * Every platform is required to implement ppc_md.get_irq.
> -	 * This function will either return an irq number or -1 to
> +	 * This function will either return an irq number or NO_IRQ to
>  	 * indicate there are no more pending.
> -	 * The value -2 is for buggy hardware and means that this IRQ
> -	 * has already been handled. -- Tom
> +	 * The value NO_IRQ_IGNORE is for buggy hardware and means that this
> +	 * IRQ has already been handled. -- Tom
>  	 */
>  	irq = ppc_md.get_irq();
>  
> 
> --