1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c
index 93b230dc51a2..fdfd8c5b639b 100644
--- a/drivers/usb/host/ehci-grlib.c
+++ b/drivers/usb/host/ehci-grlib.c
@@ -130,7 +130,7 @@ static int __devinit ehci_hcd_grlib_probe(struct platform_device *op)
                 return -ENOMEM;
 
         hcd->rsrc_start = res.start;
-        hcd->rsrc_len = res.end - res.start + 1;
+        hcd->rsrc_len = resource_size(&res);
 
         if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
                 printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);