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-rw-r--r--arch/x86/pci/mrst.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
index 89e55485c78..c5e81a4d7c1 100644
--- a/arch/x86/pci/mrst.c
+++ b/arch/x86/pci/mrst.c
@@ -148,7 +148,9 @@ static bool type1_access_ok(unsigned int bus, unsigned int devfn, int reg)
*/
if (reg >= 0x100 || reg == PCI_STATUS || reg == PCI_HEADER_TYPE)
return 0;
- if (bus == 0 && (devfn == PCI_DEVFN(2, 0) || devfn == PCI_DEVFN(0, 0)))
+ if (bus == 0 && (devfn == PCI_DEVFN(2, 0)
+ || devfn == PCI_DEVFN(0, 0)
+ || devfn == PCI_DEVFN(3, 0)))
return 1;
return 0; /* langwell on others */
}