edac: mpc85xx use resource_size instead of raw math
Use resource_size() instead of arithmetic.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Acked-by: Dave Jiang <djiang@mvista.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 517042f..94cac0a 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -239,16 +239,15 @@
/* 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;