LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Grant Grundler <grundler@parisc-linux.org>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Grant Grundler <grundler@parisc-linux.org>,
	Nobin Mathew <nobin.mathew@gmail.com>,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	Robert Hancock <hancockr@shaw.ca>
Subject: Re: sharing interrupt between PCI device
Date: Sat, 8 Nov 2008 12:15:36 -0700	[thread overview]
Message-ID: <20081108191536.GC28039@colo.lackof.org> (raw)
In-Reply-To: <4915E43E.4010206@gmail.com>

On Sat, Nov 08, 2008 at 08:10:54PM +0100, Jiri Slaby wrote:
> Grant Grundler napsal(a):
> > So I see how the IRQ is enabled and disabled. I still don't see where
> > an interrupt handler is bound to IRQ 225 (output you posted today in
> > another email).
> 
> This irq setup is done during pci_enable_device.

Sorry, I wasn't quite correct: pci_enable_device() should only assign IRQs,
not enable them. request_irq() would enable them.

> > Nobin, can you dump /proc/interrupts when both drivers
> > are loaded and also send the dmesg output after both are loaded?
> 
> This won't show the hp driver as it doesn't request_irq.

Yup - that's what I expect too. But I was afraid something else might
be calling request_irq() and I'm just not seeing it. :)

grant

  reply	other threads:[~2008-11-08 19:15 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.h7+lofM1lpbRM5V4/ti5d7RwXuM@ifi.uio.no>
2008-11-05  0:28 ` sharing interrupt between PCI device Robert Hancock
2008-11-05  7:49   ` Nobin Mathew
2008-11-05  8:36     ` Jiri Slaby
2008-11-05  9:20       ` Nobin Mathew
2008-11-06  6:11         ` Nobin Mathew
2008-11-06  7:44           ` Nobin Mathew
2008-11-06 21:24             ` Jiri Slaby
2008-11-07  5:46               ` Nobin Mathew
2008-11-08  7:57         ` Grant Grundler
2008-11-08  9:49           ` Jiri Slaby
2008-11-08 11:53             ` Nobin Mathew
2008-11-08 11:57               ` Jiri Slaby
2008-11-08 17:27     ` Grant Grundler
2008-11-08 19:10       ` Jiri Slaby
2008-11-08 19:15         ` Grant Grundler [this message]
2008-11-10  6:35           ` Nobin Mathew
2008-11-10  6:39             ` Nobin Mathew
2008-11-10  6:47               ` Nobin Mathew
2008-11-10  7:51             ` Grant Grundler
2008-11-10  7:58               ` Ingo Molnar
2008-11-10 10:31                 ` Nobin Mathew
2008-11-10 15:42                   ` Nobin Mathew
2008-11-10 20:34                     ` Grant Grundler
2008-11-11  4:57                       ` Nobin Mathew
2008-11-11 16:24                         ` Altobelli, David
2008-11-11 18:49                           ` Robert Hancock
2008-11-10 20:33                 ` Grant Grundler
2008-11-03 13:32 Nobin Mathew
2008-11-03 14:44 ` Jiri Slaby

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20081108191536.GC28039@colo.lackof.org \
    --to=grundler@parisc-linux.org \
    --cc=hancockr@shaw.ca \
    --cc=jirislaby@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=nobin.mathew@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).