From: "André Schwarz" <andre.schwarz@matrix-vision.de>
To: michael@ellerman.id.au
Cc: Scott Wood <scottwood@freescale.com>,
linux-ppc list <linuxppc-dev@ozlabs.org>
Subject: Re: Question on MPC83xx interrupts
Date: Wed, 23 Apr 2008 09:54:48 +0200 [thread overview]
Message-ID: <480EEB48.3080409@matrix-vision.de> (raw)
In-Reply-To: <1208905031.6947.0.camel@concordia>
Michael Ellerman schrieb:
> On Tue, 2008-04-22 at 12:23 -0500, Scott Wood wrote:
>> On Tue, Apr 22, 2008 at 06:58:33PM +0200, Andre Schwarz wrote:
>>> I wonder if the IRQ number should match the vector of the datasheet .=
..=20
>>> giving :
>> No. The numbers in /proc/interrupts are virtual IRQ numbers, which ar=
e a
>> purely Linux-internal construct.
>=20
> You can see the mapping between virq and hwirq numbers by turning on
> CONFIG_VIRQ_DEBUG and looking in /sys/kernel/debug/powerpc/virq_mapping
> (after mounting debugfs).
>=20
> cheers
>=20
Ahhh - thanks Michael !
very useful ...
Cheers,
Andr=E9
MATRIX VISION GmbH, Talstra=DFe 16, DE-71570 Oppenweiler - Registergeric=
ht: Amtsgericht Stuttgart, HRB 271090
Gesch=E4ftsf=FChrer: Gerhard Thullner, Werner Armingeon, Uwe Furtner
next prev parent reply other threads:[~2008-04-23 7:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-22 16:58 Question on MPC83xx interrupts Andre Schwarz
2008-04-22 17:23 ` Scott Wood
2008-04-22 17:36 ` Andre Schwarz
2008-04-22 17:42 ` Scott Wood
2008-04-22 18:51 ` Andre Schwarz
2008-04-22 18:52 ` Scott Wood
2008-04-22 22:57 ` Michael Ellerman
2008-04-23 7:54 ` André Schwarz [this message]
2008-04-23 16:00 ` Segher Boessenkool
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