From: Matt Porter <porter@cox.net>
To: Khai Trinh <kqtrinh@yahoo.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: 440 PCI adapter card interupt handling question
Date: Mon, 17 Jun 2002 10:58:27 -0700 [thread overview]
Message-ID: <20020617105827.A1397@home.com> (raw)
In-Reply-To: <20020617173211.14748.qmail@web11505.mail.yahoo.com>; from kqtrinh@yahoo.com on Mon, Jun 17, 2002 at 10:32:11AM -0700
On Mon, Jun 17, 2002 at 10:32:11AM -0700, Khai Trinh wrote:
> But Matt,
>
> request_irq() is used to register the ISR with an irq#
> between 0-12 (for the 440). However, the inbound
> message interrupt is hardwire as you stated. How can I
> use request_irq() to register hardwire interrupt
> signal to the UIC? Or is there another kernel call to
> handle such services?
You've lost me, request_irq() isn't limited to Linux interrupt
numbers 0-12 on 440. Everything on the cascaded UICs has been
populated in the irq_desc and is therefore available.
Regards,
--
Matt Porter
porter@cox.net
This is Linux Country. On a quiet night, you can hear Windows reboot.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2002-06-17 17:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-13 22:10 440 PCI adapter card interupt handling question Khai Trinh
2002-06-15 15:21 ` Matt Porter
2002-06-17 17:32 ` Khai Trinh
2002-06-17 17:58 ` Matt Porter [this message]
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