From: Ralf Baechle <ralf@linux-mips.org>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp>, linux-mips@linux-mips.org
Subject: Re: [MIPS] SMTC: Fix crash on bootup with idebus= command line argument.
Date: Thu, 13 Sep 2007 14:49:43 +0100 [thread overview]
Message-ID: <20070913134943.GA11396@linux-mips.org> (raw)
In-Reply-To: <Pine.LNX.4.64N.0709121621200.24030@blysk.ds.pg.gda.pl>
On Wed, Sep 12, 2007 at 04:54:08PM +0100, Maciej W. Rozycki wrote:
> I gather the problem is ide_probe_legacy() is called too early for PCI to
> have been initialised. With the old code ide_probe_legacy() called
> pci_get_class(), which in turn triggered PCI initialisation, which enabled
> interrupts prematurely and the failure scenario happened. To rectify Ralf
> resurrected yet older code that reserved the legacy ports unconditionally.
> You have put the code that calls pci_get_class() back and introduced this
> call to no_pci_devices() beforehand. Please correct me if I have been
> wrong anywhere here.
Pci_get_class doesn't trigger PCI initialization and I don't think it
should ...
Ralf
prev parent reply other threads:[~2007-09-13 13:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <S20024438AbXHGQ1m/20070807162742Z+2733@ftp.linux-mips.org>
2007-09-03 15:05 ` [MIPS] SMTC: Fix crash on bootup with idebus= command line argument Atsushi Nemoto
2007-09-03 15:50 ` Chris Dearman
2007-09-04 12:50 ` Ralf Baechle
2007-09-04 14:02 ` Atsushi Nemoto
2007-09-13 13:55 ` Ralf Baechle
2007-09-10 13:27 ` Maciej W. Rozycki
2007-09-10 15:18 ` Atsushi Nemoto
2007-09-11 13:40 ` Maciej W. Rozycki
2007-09-11 14:07 ` Atsushi Nemoto
2007-09-11 14:28 ` Maciej W. Rozycki
2007-09-12 15:18 ` Atsushi Nemoto
2007-09-12 15:54 ` Maciej W. Rozycki
2007-09-12 16:55 ` Atsushi Nemoto
2007-09-12 17:19 ` Maciej W. Rozycki
2007-09-13 13:49 ` Ralf Baechle [this message]
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