From: Geoff Levand <geoffrey.levand@am.sony.com>
Date: Wed, 22 Nov 2006 23:46:48 +0000 (+0100)
Subject: [POWERPC] add virq_to_hw accessor routine
X-Git-Tag: v3.12-rc1~31383^2~47^2~109^2~61
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e34226d2cd443a67f46fc531e3a6bc6e03843ce2;p=kernel%2Fkernel-generic.git

[POWERPC] add virq_to_hw accessor routine

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>
---

diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index f960f53..46476e9 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -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