[PATCH 5/7] edac: mpc85xx use resource_size instead of raw math

[dougthompson]

From: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>

Use resource_size() instead of arithmatic.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Doug Thompson <dougthompson@xxxxxxxxxxxx>
Acked-by: Dave Jiang <djiang@xxxxxxxxxx>
---
 mpc85xx_edac.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

Index: linux-2.6.33-rc4/drivers/edac/mpc85xx_edac.c
===================================================================
--- linux-2.6.33-rc4.orig/drivers/edac/mpc85xx_edac.c	2010-01-13 00:18:21.000000000 -0700
+++ linux-2.6.33-rc4/drivers/edac/mpc85xx_edac.c	2010-01-13 00:18:23.000000000 -0700
@@ -239,16 +239,15 @@ static int __devinit mpc85xx_pci_err_pro
 	/* we only need the error registers */
 	r.start += 0xe00;
 
-	if (!devm_request_mem_region(&op->dev, r.start,
-					r.end - r.start + 1, pdata->name)) {
+	if (!devm_request_mem_region(&op->dev, r.start, resource_size(&r),
+					pdata->name)) {
 		printk(KERN_ERR "%s: Error while requesting mem region\n",
 		       __func__);
 		res = -EBUSY;
 		goto err;
 	}
 
-	pdata->pci_vbase = devm_ioremap(&op->dev, r.start,
-					r.end - r.start + 1);
+	pdata->pci_vbase = devm_ioremap(&op->dev, r.start, resource_size(&r));
 	if (!pdata->pci_vbase) {
 		printk(KERN_ERR "%s: Unable to setup PCI err regs\n", __func__);
 		res = -ENOMEM;
--
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