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Re: Malta + USB on 2.4, anyone?

To: Jun Sun <jsun@mvista.com>
Subject: Re: Malta + USB on 2.4, anyone?
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Thu, 31 Jul 2003 12:26:44 +0200 (MET DST)
Cc: linux-mips@linux-mips.org
In-reply-to: <20030730191219.A14914@mvista.com>
Organization: Technical University of Gdansk
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
On Wed, 30 Jul 2003, Jun Sun wrote:

> Has anybody tried USB on malta with 2.4 kernel?  I just found that
> I got 0xff IRQ number and kernel panics.

 Possibly IRQ routing is broken -- the PIIX4 uses INTD for its USB
controller's interrupt.  For the Malta it should be routed to the IRQ11
input of the PIIX4's internal dual-8259A PIC.  What does `/sbin/lspci -vv
-s 00:0a.2' print?

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: macro@ds2.pg.gda.pl, PGP key available        +


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