usb: OHCI/EHCI-XLS: Use resource_size v3

Use resource_size function on resource object
instead of explicit computation.

The semantic patch that makes this change is available
in scripts/coccinelle/api/resource_size.cocci.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ehci-xls.c

@@ -69,7 +69,7 @@ int ehci_xls_probe_internal(const struct hc_driver *driver,
 	}
 
 	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,
 				driver->description)) {

drivers/usb/host/ohci-xls.c

@@ -40,7 +40,7 @@ static int ohci_xls_probe_internal(const struct hc_driver *driver,
 		goto err1;
 	}
 	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,
 			driver->description)) {