提交 42f3ab42 编写于 作者: A Andi Kleen 提交者: Linus Torvalds

[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: NAndi Kleen <ak@suse.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 52f975ea
...@@ -155,7 +155,7 @@ static __init void unreachable_devices(void) ...@@ -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);
} }
......
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