1 files changed, 6 insertions, 10 deletions

diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 9f6f73d584d6..d3e4d61030b5 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -39,13 +39,10 @@ static int dma_offset_set;
 #define U64_TO_U32_LOW(val)     ((u32)((val) & 0x00000000ffffffffULL))
 #define U64_TO_U32_HIGH(val)    ((u32)((val) >> 32))
 
-#ifdef CONFIG_RESOURCES_64BIT
-#define RES_TO_U32_LOW(val)     U64_TO_U32_LOW(val)
-#define RES_TO_U32_HIGH(val)    U64_TO_U32_HIGH(val)
-#else
-#define RES_TO_U32_LOW(val)     (val)
-#define RES_TO_U32_HIGH(val)    (0)
-#endif
+#define RES_TO_U32_LOW(val)     \
+        ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_LOW(val) : (val))
+#define RES_TO_U32_HIGH(val)    \
+        ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_HIGH(val) : (0))
 
 static inline int ppc440spe_revA(void)
 {
@@ -144,12 +141,11 @@ static int __init ppc4xx_parse_dma_ranges(struct pci_controller *hose,
 
                 /* Use that */
                 res->start = pci_addr;
-#ifndef CONFIG_RESOURCES_64BIT
                 /* Beware of 32 bits resources */
-                if ((pci_addr + size) > 0x100000000ull)
+                if (sizeof(resource_size_t) == sizeof(u32) &&
+                    (pci_addr + size) > 0x100000000ull)
                         res->end = 0xffffffff;
                 else
-#endif
                         res->end = res->start + size - 1;
                 break;
         }