1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
index c8da5d30a861..e14b866b270f 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -964,7 +964,7 @@ static int __devinit au1xmmc_probe(struct platform_device *pdev)
                 goto out1;
         }
 
-        host->ioarea = request_mem_region(r->start, r->end - r->start + 1,
+        host->ioarea = request_mem_region(r->start, resource_size(r),
                                            pdev->name);
         if (!host->ioarea) {
                 dev_err(&pdev->dev, "mmio already in use\n");