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[PATCH] PCI: Fix dumb bug in mmconfig fix

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Use correct address when referencing mmconfig aperture while checking
for broken MCFG.  This was a typo when porting the code from 64bit to
32bit.  It caused oopses at boot on some ThinkPads.

Should definitely go into 2.6.15.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2005-12-16 11:08:55 -08:00 committed by Linus Torvalds
parent 52f975ea21
commit 42f3ab4287
1 changed files with 1 additions and 1 deletions
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2
arch/i386/pci/mmconfig.c
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@ -155,7 +155,7 @@ static __init void unreachable_devices(void)
addr = get_base_addr(0, 0, PCI_DEVFN(i, 0)); addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
if (addr != 0) if (addr != 0)
pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0)); pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
if (addr == 0 || readl((u32 __iomem *)addr) != val1) if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1)
set_bit(i, fallback_slots); set_bit(i, fallback_slots);
spin_unlock_irqrestore(&pci_config_lock, flags); spin_unlock_irqrestore(&pci_config_lock, flags);
} }