[PATCH] powerpc: pci_address_to_pio fix

This fixes pci_address_to_pio() to return an unsigned long (to be safe)
and fixes a bug in the implementation that caused it to return a bogus
IO port number

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 6 insertions, 6 deletions

diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index 3d94e55f25d6..443c75a16571 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -158,11 +158,11 @@ pcibios_alloc_controller(struct device_node *dev);
 extern void pcibios_free_controller(struct pci_controller *phb);
 
 #ifdef CONFIG_PCI
-extern unsigned int pci_address_to_pio(phys_addr_t address);
+extern unsigned long pci_address_to_pio(phys_addr_t address);
 #else
-static inline unsigned int pci_address_to_pio(phys_addr_t address)
+static inline unsigned long pci_address_to_pio(phys_addr_t address)
 {
-        return (unsigned int)-1;
+        return (unsigned long)-1;
 }
 #endif
 
diff --git a/include/asm-ppc/pci-bridge.h b/include/asm-ppc/pci-bridge.h
index 95672ddfe528..9d5230689b31 100644
--- a/include/asm-ppc/pci-bridge.h
+++ b/include/asm-ppc/pci-bridge.h
@@ -138,11 +138,11 @@ static inline unsigned char bridge_swizzle(unsigned char pin,
 extern int pciauto_bus_scan(struct pci_controller *, int);
 
 #ifdef CONFIG_PCI
-extern unsigned int pci_address_to_pio(phys_addr_t address);
+extern unsigned long pci_address_to_pio(phys_addr_t address);
 #else
-static inline unsigned int pci_address_to_pio(phys_addr_t address)
+static inline unsigned long pci_address_to_pio(phys_addr_t address)
 {
-        return (unsigned int)-1;
+        return (unsigned long)-1;
 }
 #endif