From: Anton Blanchard <anton@samba.org>
To: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Paul Mackerras <paulus@samba.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
davidm@hpl.hp.com, grundler@cup.hp.com,
linux-kernel@vger.kernel.org
Subject: Re: [patch 2.5] PCI: allow alternative methods for probing the BARs
Date: Mon, 6 Jan 2003 11:29:36 +1100 [thread overview]
Message-ID: <20030106002936.GA8584@krispykreme> (raw)
In-Reply-To: <20030105153735.A8532@jurassic.park.msu.ru>
> Hopefully this patch should solve most problems with probing the BARs.
> The changes are quite minimal as everything still is done in one pass.
> - Added another level of fixups (PCI_FIXUP_EARLY), called with only
> device/vendor IDs and class code filled in, before sizing the BARs.
> - pci_read_bases won't probe the BAR if the respective resource has
> non-zero flags.
>
> This allows to implement numerous alternative probing methods for
> particular architecture/device/BAR. Some of possible variants:
> get information from firmware and don't touch the BAR at all;
This sounds useful on ppc64 where firmware does a good job of setting
up the BARs.
Anton
next prev parent reply other threads:[~2003-01-06 0:26 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-19 21:37 PATCH 2.5.x disable BAR when sizing Grant Grundler
2002-12-20 2:54 ` Alan Cox
2002-12-20 2:27 ` David Mosberger
2002-12-20 6:05 ` Linus Torvalds
2002-12-20 19:50 ` Grant Grundler
2002-12-20 20:14 ` Linus Torvalds
2002-12-20 21:22 ` Grant Grundler
2002-12-21 18:34 ` Maciej W. Rozycki
2002-12-20 20:37 ` Richard B. Johnson
2002-12-20 21:29 ` Grant Grundler
2002-12-20 5:57 ` Linus Torvalds
2002-12-20 9:42 ` David Mosberger
2002-12-20 12:53 ` Ivan Kokshaysky
2002-12-20 17:05 ` Linus Torvalds
2002-12-20 18:26 ` David Mosberger
2002-12-20 19:28 ` Linus Torvalds
2002-12-21 22:06 ` Eric W. Biederman
2002-12-21 22:44 ` Linus Torvalds
2002-12-22 7:15 ` Paul Mackerras
2002-12-22 15:03 ` Benjamin Herrenschmidt
2002-12-22 19:21 ` Ivan Kokshaysky
2002-12-23 0:29 ` Paul Mackerras
2002-12-23 15:26 ` Ivan Kokshaysky
2003-01-05 12:37 ` [patch 2.5] PCI: allow alternative methods for probing the BARs Ivan Kokshaysky
2003-01-06 0:29 ` Anton Blanchard [this message]
2003-01-06 4:14 ` Linus Torvalds
2003-01-06 5:22 ` Eric W. Biederman
2003-01-06 10:31 ` Benjamin Herrenschmidt
2003-01-06 11:32 ` Andrew Walrond
2003-01-06 22:01 ` Grant Grundler
2003-01-06 19:45 ` Grant Grundler
2003-01-07 17:05 ` Ivan Kokshaysky
2003-01-07 17:46 ` Linus Torvalds
2003-01-07 20:17 ` Grant Grundler
2003-01-08 14:47 ` Ivan Kokshaysky
2003-01-08 22:34 ` Grant Grundler
2003-01-06 15:33 ` Ivan Kokshaysky
2003-01-06 21:52 ` Grant Grundler
2003-01-06 23:19 ` Linus Torvalds
2003-01-07 0:13 ` Grant Grundler
2003-01-07 12:33 ` Alan Cox
2003-01-07 17:27 ` Ivan Kokshaysky
2003-01-07 18:46 ` Alan Cox
2003-01-07 17:44 ` Linus Torvalds
2003-01-08 16:55 ` Ivan Kokshaysky
2003-01-09 17:46 ` [patch 2.5] 2-pass PCI probing, generic part Ivan Kokshaysky
2003-01-09 17:52 ` Benjamin Herrenschmidt
2003-01-09 22:09 ` Ivan Kokshaysky
2003-01-09 22:16 ` Linus Torvalds
2003-01-09 22:26 ` Benjamin Herrenschmidt
2003-01-10 3:49 ` Alan Cox
2003-01-09 23:19 ` Ivan Kokshaysky
2003-01-09 23:35 ` Linus Torvalds
2003-01-10 1:09 ` Grant Grundler
2003-01-10 7:56 ` Eric W. Biederman
2003-01-10 19:00 ` Grant Grundler
2003-01-10 21:42 ` Ivan Kokshaysky
2003-01-10 23:07 ` Grant Grundler
2003-01-11 19:39 ` Scott Murray
2003-01-12 7:19 ` Greg KH
2003-01-13 6:28 ` Scott Murray
2003-01-10 13:35 ` Ivan Kokshaysky
2003-01-14 16:39 ` Ivan Kokshaysky
2003-01-09 18:36 ` David Mosberger
2003-01-09 19:52 ` Grant Grundler
2003-01-09 22:40 ` Ivan Kokshaysky
2003-01-09 17:48 ` [patch 2.5] 2-pass PCI probing, hotplug changes Ivan Kokshaysky
2003-01-09 17:51 ` [patch 2.5] 2-pass PCI probing, i386 USB quirk Ivan Kokshaysky
2003-01-07 17:12 ` [patch 2.5] PCI: allow alternative methods for probing the BARs Ivan Kokshaysky
2003-01-07 17:06 ` Ivan Kokshaysky
2002-12-22 19:51 ` PATCH 2.5.x disable BAR when sizing Linus Torvalds
2002-12-22 19:57 ` Eric W. Biederman
2002-12-22 10:38 ` Eric W. Biederman
2002-12-22 18:39 ` Ivan Kokshaysky
2002-12-22 19:47 ` Eric W. Biederman
2002-12-22 21:05 ` Ivan Kokshaysky
2002-12-20 18:50 ` Ivan Kokshaysky
2002-12-20 19:11 ` Linus Torvalds
-- strict thread matches above, loose matches on Subject: below --
2003-01-06 10:31 [patch 2.5] PCI: allow alternative methods for probing the BARs Benjamin Herrenschmidt
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