diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
| commit | 7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch) | |
| tree | d40cd3f47b9f667ba94d9613270132080dcb6a1a /arch/powerpc/include/asm/irq.h | |
| parent | 6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff) | |
| parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'arch/powerpc/include/asm/irq.h')
| -rw-r--r-- | arch/powerpc/include/asm/irq.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index a372f76836c..0a5137676e1 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -236,15 +236,27 @@ extern unsigned int irq_find_mapping(struct irq_host *host, extern unsigned int irq_create_direct_mapping(struct irq_host *host); /** - * irq_radix_revmap - Find a linux virq from a hw irq number. + * irq_radix_revmap_insert - Insert a hw irq to linux virq number mapping. + * @host: host owning this hardware interrupt + * @virq: linux irq number + * @hwirq: hardware irq number in that host space + * + * This is for use by irq controllers that use a radix tree reverse + * mapping for fast lookup. + */ +extern void irq_radix_revmap_insert(struct irq_host *host, unsigned int virq, + irq_hw_number_t hwirq); + +/** + * irq_radix_revmap_lookup - Find a linux virq from a hw irq number. * @host: host owning this hardware interrupt * @hwirq: hardware irq number in that host space * * This is a fast path, for use by irq controller code that uses radix tree * revmaps */ -extern unsigned int irq_radix_revmap(struct irq_host *host, - irq_hw_number_t hwirq); +extern unsigned int irq_radix_revmap_lookup(struct irq_host *host, + irq_hw_number_t hwirq); /** * irq_linear_revmap - Find a linux virq from a hw irq number. |