From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue, 25 Oct 2005 17:28:42 +0000 (-0700)
Subject: [PATCH] PCI fixup for Toshiba laptops and ohci1394
X-Git-Tag: v2.6.15-rc1~731^2~22^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8977d0a9b7ac84cfe700278a2ca64cb33c93a13;p=pandora-kernel.git

[PATCH] PCI fixup for Toshiba laptops and ohci1394

This is a fix for a bug I see on my Toshiba laptop, where the ohci1394
controller gets initialized improperly.  The patch adds two PCI fixups
to arch/i386/pci/fixup.c, one that happens early on to cache the value
of the PCI_CACHE_LINE_SIZE config register, and another that later
restores the value, along with a valid IRQ number and some BAR values.
I've tested it on my laptop, and it prevents me from running into what I
consider to be a major bug: IRQ 11 is disabled by the IRQ debug code,
causing my wireless to break.

Thanks to Rob for the original patch to ohci1394.c and Stefan for lots
of proofreading (and a last minute bug caught in review!) and additional
information collection.  I think the DMI system list is correct, but we
may need to add some more PCI IDs to the PCI_FIXUP macros over time.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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