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From: Arnd Bergmann <arnd@arndb.de>
To: linuxppc-embedded@ozlabs.org
Subject: Re: request_irq issue
Date: Wed, 5 Nov 2008 15:10:01 +0100
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Cc: Laxmikant Rashinkar <lk.atwork@yahoo.com>
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On Wednesday 05 November 2008, Laxmikant Rashinkar wrote:
> But with the newer linux, request_irq() works only for 17, 18 & 19. cat /proc/interrupts shows that none of the interrupts above are in use.
> Any pointers on why request_irq() is behaving thus?

Note that you need to get the raw IRQ number from the device tree now,
and map it to a virtual IRQ number using irq_of_parse_and_map.
That is the number you pass to request_irq().

	Arnd <><