diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index ae304401938245c8d23dd3fe1250dcc47d55c668..8196fa11fec43678cb96b4c3241fd63b7fc1b35f 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -2649,8 +2649,6 @@ static struct hc_driver isp1362_hc_driver = {
 
 /*-------------------------------------------------------------------------*/
 
-#define resource_len(r) (((r)->end - (r)->start) + 1)
-
 static int __devexit isp1362_remove(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd = platform_get_drvdata(pdev);
@@ -2672,12 +2670,12 @@ static int __devexit isp1362_remove(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	DBG(0, "%s: release mem_region: %08lx\n", __func__, (long unsigned int)res->start);
 	if (res)
-		release_mem_region(res->start, resource_len(res));
+		release_mem_region(res->start, resource_size(res));
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	DBG(0, "%s: release mem_region: %08lx\n", __func__, (long unsigned int)res->start);
 	if (res)
-		release_mem_region(res->start, resource_len(res));
+		release_mem_region(res->start, resource_size(res));
 
 	DBG(0, "%s: put_hcd\n", __func__);
 	usb_put_hcd(hcd);
@@ -2723,21 +2721,21 @@ static int __init isp1362_probe(struct platform_device *pdev)
 		goto err1;
 	}
 
-	if (!request_mem_region(addr->start, resource_len(addr), hcd_name)) {
+	if (!request_mem_region(addr->start, resource_size(addr), hcd_name)) {
 		retval = -EBUSY;
 		goto err1;
 	}
-	addr_reg = ioremap(addr->start, resource_len(addr));
+	addr_reg = ioremap(addr->start, resource_size(addr));
 	if (addr_reg == NULL) {
 		retval = -ENOMEM;
 		goto err2;
 	}
 
-	if (!request_mem_region(data->start, resource_len(data), hcd_name)) {
+	if (!request_mem_region(data->start, resource_size(data), hcd_name)) {
 		retval = -EBUSY;
 		goto err3;
 	}
-	data_reg = ioremap(data->start, resource_len(data));
+	data_reg = ioremap(data->start, resource_size(data));
 	if (data_reg == NULL) {
 		retval = -ENOMEM;
 		goto err4;
@@ -2795,13 +2793,13 @@ static int __init isp1362_probe(struct platform_device *pdev)
 	iounmap(data_reg);
  err4:
 	DBG(0, "%s: Releasing mem region %08lx\n", __func__, (long unsigned int)data->start);
-	release_mem_region(data->start, resource_len(data));
+	release_mem_region(data->start, resource_size(data));
  err3:
 	DBG(0, "%s: Unmapping addr_reg @ %p\n", __func__, addr_reg);
 	iounmap(addr_reg);
  err2:
 	DBG(0, "%s: Releasing mem region %08lx\n", __func__, (long unsigned int)addr->start);
-	release_mem_region(addr->start, resource_len(addr));
+	release_mem_region(addr->start, resource_size(addr));
  err1:
 	pr_err("%s: init error, %d\n", __func__, retval);