1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index 8e3cdef8a25f..45f1e10f917b 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -151,7 +151,7 @@ static __devinit int rb532_pata_driver_probe(struct platform_device *pdev)
         info->irq = irq;
 
         info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
-                                res->end - res->start + 1);
+                                resource_size(res));
         if (!info->iobase)
                 return -ENOMEM;