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[POWERPC] add virq_to_hw accessor routine

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This adds an accessor routine virq_to_hw() to the
virq routines which hides the implementation details
of the virq to hwirq map.

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
This commit is contained in:
Geoff Levand 2006-11-23 00:46:48 +01:00 committed by Paul Mackerras
parent 897f112bb4
commit e34226d2cd
1 changed files with 4 additions and 0 deletions
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4
include/asm-powerpc/irq.h
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@ -135,6 +135,10 @@ struct irq_map_entry {
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