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 <[email protected]>
Index: linux/arch/i386/pci/mmconfig.c
===================================================================
--- linux.orig/arch/i386/pci/mmconfig.c
+++ linux/arch/i386/pci/mmconfig.c
@@ -155,7 +155,7 @@ static __init void unreachable_devices(v
addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
if (addr != 0)
pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
- if (addr == 0 || readl((u32 *)addr) != val1)
+ if (addr == 0 || readl((u32 *)mmcfg_virt_addr) != val1)
set_bit(i, fallback_slots);
spin_unlock_irqrestore(&pci_config_lock, flags);
}
-
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