1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c
index 321a9b3a2d00..756123bf06ac 100644
--- a/arch/powerpc/platforms/pasemi/dma_lib.c
+++ b/arch/powerpc/platforms/pasemi/dma_lib.c
@@ -576,7 +576,7 @@ int pasemi_dma_init(void)
                 res.start = 0xfd800000;
                 res.end = res.start + 0x1000;
         }
-        dma_status = __ioremap(res.start, res.end-res.start, 0);
+        dma_status = __ioremap(res.start, resource_size(&res), 0);
         pci_dev_put(iob_pdev);
 
         for (i = 0; i < MAX_TXCH; i++)