powerpc virq: new routine virq_to_hw

[Benjamin Herrenschmidt]

On Mon, 2006-08-28 at 08:03 -0700, Geoff Levand wrote:
> Benjamin Herrenschmidt wrote:
> > I'd much prefer:
> > 
> > static inline irq_hw_number_t virq_to_hw (unsigned int virq)
> > {
> > 	return irq_map[virq].hwirq;
> > }
> 
> Here is an updated version.
> 
> -Geoff
> 
> 
> This adds an accessor routine virq_to_hw() to the
> virq routines which hides the implementation details
> of the virq to hwirq map.
> 
> 
> Signed-off-by: Geoff Levand <geoffrey.levand at am.sony.com>

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

> ---
> Index: cell--common--4/include/asm-powerpc/irq.h
> ===================================================================
> --- cell--common--4.orig/include/asm-powerpc/irq.h
> +++ cell--common--4/include/asm-powerpc/irq.h
> @@ -136,6 +136,10 @@
>  
>  extern struct irq_map_entry irq_map[NR_IRQS];
>  
> +static inline irq_hw_number_t virq_to_hw(unsigned int virq)
> +{
> +	return irq_map[virq].hwirq;
> +}
>  
>  /**
>   * irq_alloc_host - Allocate a new irq_host data structure