Use resource_size().
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
---
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
index d3f5561..2d2119b 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -963,7 +963,7 @@ 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");
--
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