From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Sven Luther <sven.luther@wanadoo.fr>,
linuxppc-dev list <linuxppc-dev@lists.linuxppc.org>
Subject: Re: multiple separate pci bridges ...
Date: Mon, 19 Jan 2004 11:08:42 +0100 (MET) [thread overview]
Message-ID: <Pine.GSO.4.58.0401191108100.6038@waterleaf.sonytel.be> (raw)
In-Reply-To: <1074503490.4547.52.camel@gaston>
On Mon, 19 Jan 2004, Benjamin Herrenschmidt wrote:
> > I am returning 0 for all of function 0. I dropped the whole struct
> > pci_dev ressource thingy, and they are well nullified. My limited
> > understanding of those pci issues let me make a guess though. I think
> > that either the stuff in the struct pci_dev is set later on (the BARs
> > are modifiable i think), or those values are read from the struct
> > pci_dev before i nullify them.
>
> pci_dev resources are read from the BARs and the sizing mecanism
> uses the BARs too (you should filter out writes too btw). If you
> properly filter things out, there should be no problem.
So shouldn't reads from the BAR return -1 instead of 0, and writes be ignored?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-01-19 10:08 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-18 14:44 multiple separate pci bridges Sven Luther
2004-01-18 16:33 ` Michel Dänzer
2004-01-18 17:28 ` Sven Luther
2004-01-18 18:24 ` Michel Dänzer
2004-01-18 22:20 ` Sven Luther
2004-01-18 23:33 ` Michel Dänzer
2004-01-19 9:55 ` Sven Luther
2004-01-19 13:48 ` Sven Luther
2004-01-19 13:54 ` Geert Uytterhoeven
2004-01-19 14:00 ` Sven Luther
2004-01-19 14:02 ` Michel Dänzer
2004-01-19 14:16 ` Sven Luther
2004-01-19 14:31 ` Michel Dänzer
2004-01-19 9:11 ` Benjamin Herrenschmidt
2004-01-18 22:33 ` Sven Luther
2004-01-18 23:23 ` Michel Dänzer
2004-01-18 23:42 ` Benjamin Herrenschmidt
2004-01-19 0:03 ` Michel Dänzer
2004-01-19 10:08 ` Geert Uytterhoeven [this message]
2004-01-19 11:41 ` Benjamin Herrenschmidt
2004-01-19 12:03 ` Sven Luther
2004-01-19 21:35 ` Benjamin Herrenschmidt
2004-01-19 22:08 ` Sven Luther
-- strict thread matches above, loose matches on Subject: below --
2004-01-06 21:09 Marcus Barrow
2004-01-06 22:59 ` Benjamin Herrenschmidt
2004-01-06 23:00 ` Benjamin Herrenschmidt
2004-01-06 20:53 Marcus Barrow
2004-01-01 18:11 Sven Luther
2004-01-02 4:03 ` Benjamin Herrenschmidt
2004-01-02 7:40 ` Sven Luther
2004-01-02 7:49 ` Benjamin Herrenschmidt
2004-01-04 21:03 ` Sven Luther
2004-01-04 21:45 ` Benjamin Herrenschmidt
2004-01-04 22:06 ` Sven Luther
2004-01-05 16:40 ` Sven Luther
2004-01-05 21:28 ` Benjamin Herrenschmidt
2004-01-05 21:42 ` Sven Luther
2004-01-05 22:12 ` Benjamin Herrenschmidt
2004-01-06 7:39 ` Sven Luther
2004-01-06 8:00 ` Benjamin Herrenschmidt
2004-01-06 8:11 ` Sven Luther
2004-01-06 14:40 ` Geert Uytterhoeven
2004-01-06 14:45 ` Sven Luther
2004-01-06 15:33 ` Rob Baxter
2004-01-06 17:44 ` Sven Luther
2004-01-06 21:37 ` Benjamin Herrenschmidt
2004-01-06 22:10 ` Marcus Barrow
2004-01-06 22:17 ` Rob Baxter
2004-01-06 22:31 ` Benjamin Herrenschmidt
2004-01-07 2:35 ` Sven Luther
2004-01-07 2:36 ` Benjamin Herrenschmidt
2004-01-07 2:40 ` Sven Luther
2004-01-07 9:02 ` Michael Schmitz
2004-01-07 9:23 ` Benjamin Herrenschmidt
2004-01-07 9:56 ` Sven Luther
2004-01-07 10:27 ` Michael Schmitz
2004-01-13 9:56 ` Sven Luther
2004-01-13 10:26 ` Sven Luther
2004-01-18 12:15 ` Sven Luther
2004-01-18 13:00 ` Michel Dänzer
2004-01-18 13:14 ` Sven Luther
2004-01-19 9:12 ` Benjamin Herrenschmidt
2004-01-18 22:27 ` Sven Luther
2004-01-18 22:59 ` Benjamin Herrenschmidt
2004-01-19 9:21 ` Sven Luther
2004-01-18 23:24 ` Benjamin Herrenschmidt
2004-01-05 21:38 ` Marcus Barrow
2004-01-06 7:14 ` Sven Luther
2004-01-06 7:56 ` Benjamin Herrenschmidt
2004-01-06 8:20 ` Sven Luther
2004-01-02 18:34 ` Geert Uytterhoeven
2004-01-02 15:18 ` Rob Baxter
2004-01-02 23:56 ` Benjamin Herrenschmidt
2004-01-03 0:27 ` Rob Baxter
2004-01-03 1:12 ` Benjamin Herrenschmidt
2004-01-05 0:52 ` Rob Baxter
2004-01-05 2:13 ` Benjamin Herrenschmidt
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