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genirq: provide irq_to_desc() to non-genirq architectures too

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Impact: build fix on non-genirq architectures

Sam Ravnborg reported this build failure on sparc32 allmodconfig,
the GPIO drivers assume the presence of irq_to_desc():

 drivers/gpio/gpiolib.c: In function `gpiolib_dbg_show':
 drivers/gpio/gpiolib.c:1146: error: implicit declaration of function 'irq_to_desc'

Add it in the !genirq case too.

Reported-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Ingo Molnar 2009-01-05 14:34:42 +01:00
parent fe0bdec68b
commit be92d7af38
1 changed files with 6 additions and 1 deletions
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5
include/linux/irqnr.h
View file

@ -8,7 +8,12 @@
#ifndef CONFIG_GENERIC_HARDIRQS
#include <asm/irq.h>
/*
* Wrappers for non-genirq architectures:
*/
#define nr_irqs NR_IRQS
#define irq_to_desc(irq) (&irq_desc[irq])
# define for_each_irq_desc(irq, desc) \
for (irq = 0; irq < nr_irqs; irq++)