From: Arnd Bergmann <arnd@arndb.de>
To: linuxppc-embedded@ozlabs.org
Cc: Laxmikant Rashinkar <lk.atwork@yahoo.com>
Subject: Re: request_irq issue
Date: Wed, 5 Nov 2008 15:10:01 +0100 [thread overview]
Message-ID: <200811051510.01617.arnd@arndb.de> (raw)
In-Reply-To: <681154.58773.qm@web46308.mail.sp1.yahoo.com>
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 <><
prev parent reply other threads:[~2008-11-05 14:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-05 3:38 request_irq issue Laxmikant Rashinkar
2008-11-05 5:53 ` Ben Warren
2008-11-05 14:10 ` Arnd Bergmann [this message]
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