From: Martin Mares <mj@ucw.cz>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
Linus Torvalds <torvalds@transmeta.com>,
Matthew Dobson <colpatch@us.ibm.com>,
linux-kernel@vger.kernel.org,
Michael Hohnbaum <hohnbaum@us.ibm.com>,
Greg KH <gregkh@us.ibm.com>
Subject: Re: [patch] PCI Cleanup
Date: Wed, 14 Aug 2002 09:08:37 +0200 [thread overview]
Message-ID: <20020814090837.A28439@ucw.cz> (raw)
In-Reply-To: <1029269633.22847.92.camel@irongate.swansea.linux.org.uk>; from alan@lxorguk.ukuu.org.uk on Tue, Aug 13, 2002 at 09:13:53PM +0100
Hi!
> It wants to force its own conf1/conf2 over the BIOS even if BIOS is
> preferred because some BIOSes dont honour the size requested and the
> hardware has bugs.
>
> That to me says there may well be cleaner approaches.
I haven't looked at the current source yet, but the PCI access code
used to work this way: if both BIOS and direct access were enabled
(which was the default) and both worked, BIOS was used only for getting
information about interrupt routing and last bus number and direct
access for everything else. Hence the problematic BIOS calls were used
only if there were no other possibility or the user explicitly told
us to.
Have a nice fortnight
--
Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
No fortune, no luck, no sig!
next prev parent reply other threads:[~2002-08-14 7:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-13 0:08 [patch] PCI Cleanup Matthew Dobson
2002-08-13 11:45 ` Alan Cox
2002-08-13 14:17 ` Martin J. Bligh
2002-08-13 14:57 ` Alan Cox
2002-08-13 15:15 ` Martin J. Bligh
2002-08-13 17:00 ` Matthew Dobson
2002-08-13 17:23 ` Linus Torvalds
2002-08-13 19:57 ` Martin J. Bligh
2002-08-13 20:13 ` Alan Cox
2002-08-13 20:26 ` Linus Torvalds
2002-08-13 22:29 ` Matthew Dobson
2002-08-13 22:46 ` Linus Torvalds
2002-08-14 0:57 ` Matthew Dobson
2002-08-15 0:23 ` Matthew Dobson
2002-08-14 7:08 ` Martin Mares [this message]
2002-08-13 14:55 ` Martin J. Bligh
2002-08-13 15:07 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2002-08-15 2:24 Grover, Andrew
2002-08-15 7:49 ` Martin Mares
2002-08-15 15:58 ` Kai Germaschewski
2002-08-15 16:36 ` Greg KH
2002-08-16 22:34 ` Greg KH
2002-08-19 23:41 ` Matthew Dobson
2002-08-15 18:28 ` Patrick Mochel
2002-08-15 20:23 Grover, Andrew
2002-08-15 20:54 ` Patrick Mochel
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