diff --git a/arch/alpha/kernel/core_apecs.c b/arch/alpha/kernel/core_apecs.c
index 6df765ff2b10..d74d78d92434 100644
--- a/arch/alpha/kernel/core_apecs.c
+++ b/arch/alpha/kernel/core_apecs.c
@@ -287,7 +287,7 @@ apecs_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 	shift = (where & 3) * 8;
 	addr = (pci_addr << 5) + mask + APECS_CONF;
 	*value = conf_read(addr, type1) >> (shift);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int
@@ -304,7 +304,7 @@ apecs_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 	mask = (size - 1) * 8;
 	addr = (pci_addr << 5) + mask + APECS_CONF;
 	conf_write(addr, value << ((where & 3) * 8), type1);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops apecs_pci_ops = 
diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c
index f489170201c3..25300bc19c48 100644
--- a/arch/alpha/kernel/core_cia.c
+++ b/arch/alpha/kernel/core_cia.c
@@ -221,7 +221,7 @@ cia_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
 	shift = (where & 3) * 8;
 	addr = (pci_addr << 5) + mask + CIA_CONF;
 	*value = conf_read(addr, type1) >> (shift);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int 
@@ -238,7 +238,7 @@ cia_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
 	mask = (size - 1) * 8;
 	addr = (pci_addr << 5) + mask + CIA_CONF;
 	conf_write(addr, value << ((where & 3) * 8), type1);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops cia_pci_ops = 
diff --git a/arch/alpha/kernel/core_irongate.c b/arch/alpha/kernel/core_irongate.c
index a9fd133a7fb2..858a2293c786 100644
--- a/arch/alpha/kernel/core_irongate.c
+++ b/arch/alpha/kernel/core_irongate.c
@@ -121,7 +121,7 @@ irongate_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int
@@ -152,7 +152,7 @@ irongate_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops irongate_pci_ops =
diff --git a/arch/alpha/kernel/core_lca.c b/arch/alpha/kernel/core_lca.c
index 57e0750419f2..a7a00d73e2c5 100644
--- a/arch/alpha/kernel/core_lca.c
+++ b/arch/alpha/kernel/core_lca.c
@@ -213,7 +213,7 @@ lca_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 	mask = (size - 1) * 8;
 	addr = (pci_addr << 5) + mask + LCA_CONF;
 	*value = conf_read(addr) >> (shift);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int 
@@ -229,7 +229,7 @@ lca_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
 	mask = (size - 1) * 8;
 	addr = (pci_addr << 5) + mask + LCA_CONF;
 	conf_write(addr, value << ((where & 3) * 8));
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops lca_pci_ops = 
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index 1db9d0eb2922..c076b97a9961 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -561,7 +561,7 @@ marvel_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		return PCIBIOS_FUNC_NOT_SUPPORTED;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int
@@ -593,7 +593,7 @@ marvel_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 		return PCIBIOS_FUNC_NOT_SUPPORTED;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops marvel_pci_ops =
diff --git a/arch/alpha/kernel/core_mcpcia.c b/arch/alpha/kernel/core_mcpcia.c
index 74b1d018124c..fdb6d055bcc0 100644
--- a/arch/alpha/kernel/core_mcpcia.c
+++ b/arch/alpha/kernel/core_mcpcia.c
@@ -216,7 +216,7 @@ mcpcia_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		*value = w;
 		break;
 	}
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int
@@ -233,7 +233,7 @@ mcpcia_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 	addr |= (size - 1) * 8;
 	value = __kernel_insql(value, where & 3);
 	conf_write(addr, value, type1, hose);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops mcpcia_pci_ops = 
diff --git a/arch/alpha/kernel/core_polaris.c b/arch/alpha/kernel/core_polaris.c
index 75d622d96ff2..345b9d5a116f 100644
--- a/arch/alpha/kernel/core_polaris.c
+++ b/arch/alpha/kernel/core_polaris.c
@@ -102,7 +102,7 @@ polaris_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 
@@ -134,7 +134,7 @@ polaris_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops polaris_pci_ops = 
diff --git a/arch/alpha/kernel/core_t2.c b/arch/alpha/kernel/core_t2.c
index 98d5b6ff8a76..0bbf9b028c11 100644
--- a/arch/alpha/kernel/core_t2.c
+++ b/arch/alpha/kernel/core_t2.c
@@ -296,7 +296,7 @@ t2_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 	shift = (where & 3) * 8;
 	addr = (pci_addr << 5) + mask + T2_CONF;
 	*value = conf_read(addr, type1) >> (shift);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int 
@@ -313,7 +313,7 @@ t2_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
 	mask = (size - 1) * 8;
 	addr = (pci_addr << 5) + mask + T2_CONF;
 	conf_write(addr, value << ((where & 3) * 8), type1);
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops t2_pci_ops = 
diff --git a/arch/alpha/kernel/core_titan.c b/arch/alpha/kernel/core_titan.c
index 2a2820fb1be6..aac94708a226 100644
--- a/arch/alpha/kernel/core_titan.c
+++ b/arch/alpha/kernel/core_titan.c
@@ -158,7 +158,7 @@ titan_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int 
@@ -189,7 +189,7 @@ titan_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops titan_pci_ops = 
diff --git a/arch/alpha/kernel/core_tsunami.c b/arch/alpha/kernel/core_tsunami.c
index fc1ab73f23de..88fe80a8b41a 100644
--- a/arch/alpha/kernel/core_tsunami.c
+++ b/arch/alpha/kernel/core_tsunami.c
@@ -134,7 +134,7 @@ tsunami_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int 
@@ -165,7 +165,7 @@ tsunami_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops tsunami_pci_ops = 
diff --git a/arch/alpha/kernel/core_wildfire.c b/arch/alpha/kernel/core_wildfire.c
index e8d3b033018d..012ec2f5b675 100644
--- a/arch/alpha/kernel/core_wildfire.c
+++ b/arch/alpha/kernel/core_wildfire.c
@@ -400,7 +400,7 @@ wildfire_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int 
@@ -431,7 +431,7 @@ wildfire_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 		break;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops wildfire_pci_ops = 
diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c
index e1bee8f84c58..1b4c03ac34d8 100644
--- a/arch/alpha/kernel/sys_miata.c
+++ b/arch/alpha/kernel/sys_miata.c
@@ -185,7 +185,7 @@ miata_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 	if((slot == 7) && (PCI_FUNC(dev->devfn) == 3)) {
 		u8 irq=0;
 		struct pci_dev *pdev = pci_get_slot(dev->bus, dev->devfn & ~7);
-		if(pdev == NULL || pci_read_config_byte(pdev, 0x40,&irq) != PCIBIOS_SUCCESSFUL) {
+		if (pdev == NULL || pci_read_config_byte(pdev, 0x40, &irq) != 0) {
 			pci_dev_put(pdev);
 			return -1;
 		}
