drivers/mmc/host/omap.c: use resource_size()

Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/mmc/host/omap.c

@@ -1417,7 +1417,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 	if (res == NULL || irq < 0)
 		return -ENXIO;
 
-	res = request_mem_region(res->start, res->end - res->start + 1,
+	res = request_mem_region(res->start, resource_size(res),
 				 pdev->name);
 	if (res == NULL)
 		return -EBUSY;
@@ -1457,7 +1457,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 
 	host->irq = irq;
 	host->phys_base = host->mem_res->start;
-	host->virt_base = ioremap(res->start, res->end - res->start + 1);
+	host->virt_base = ioremap(res->start, resource_size(res));
 	if (!host->virt_base)
 		goto err_ioremap;
 
@@ -1514,7 +1514,7 @@ err_free_mmc_host:
 err_ioremap:
 	kfree(host);
 err_free_mem_region:
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 	return ret;
 }