Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[PATCH] PCI: Fix dumb bug in mmconfig fix
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>
authored by Andi Kleen and committed by Linus Torvalds 42f3ab42 52f975ea
+1
-1
arch/i386/pci/mmconfig.c
+1
-1
arch/i386/pci/mmconfig.c
···
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addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
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if (addr != 0)
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pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
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-
if (addr == 0 || readl((u32 __iomem *)addr) != val1)
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+
if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1)
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set_bit(i, fallback_slots);
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spin_unlock_irqrestore(&pci_config_lock, flags);
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}