diff --git a/arch/mips/pci/ops-bridge.c b/arch/mips/pci/ops-bridge.c
index 6793a72edec2..28efce2dcb7d 100644
--- a/arch/mips/pci/ops-bridge.c
+++ b/arch/mips/pci/ops-bridge.c
@@ -170,7 +170,7 @@ static int
 pci_read_config(struct pci_bus *bus, u32 devfn, int where, int size,
 		u32 *value)
 {
-	if (bus->number > 0)
+	if (!pci_is_root_bus(bus))
 		return pci_conf1_read_config(bus, devfn, where, size, value);
 
 	return pci_conf0_read_config(bus, devfn, where, size, value);
@@ -314,7 +314,7 @@ static int
 pci_write_config(struct pci_bus *bus, u32 devfn, int where, int size,
 		 u32 value)
 {
-	if (bus->number > 0)
+	if (!pci_is_root_bus(bus))
 		return pci_conf1_write_config(bus, devfn, where, size, value);
 
 	return pci_conf0_write_config(bus, devfn, where, size, value);