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Diffstat (limited to 'arch/x86_64/pci/mmconfig.c')
-rw-r--r--arch/x86_64/pci/mmconfig.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index d6b90d0..8bea510 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -176,7 +176,9 @@ void __init pci_mmcfg_init(int type)
(pci_mmcfg_config[0].base_address == 0))
return;
- if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
+ /* Only do this check when type 1 works. If it doesn't work
+ assume we run on a Mac and always use MCFG */
+ if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address,
pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
E820_RESERVED)) {
printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
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