USB: ehci-orion.c: use resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 1d283e1b2b8d..0f87dc72820a 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -222,14 +222,14 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
                 goto err1;
         }
 
-        if (!request_mem_region(res->start, res->end - res->start + 1,
+        if (!request_mem_region(res->start, resource_size(res),
                                 ehci_orion_hc_driver.description)) {
                 dev_dbg(&pdev->dev, "controller already in use\n");
                 err = -EBUSY;
                 goto err1;
         }
 
-        regs = ioremap(res->start, res->end - res->start + 1);
+        regs = ioremap(res->start, resource_size(res));
         if (regs == NULL) {
                 dev_dbg(&pdev->dev, "error mapping memory\n");
                 err = -EFAULT;
@@ -244,7 +244,7 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
         }
 
         hcd->rsrc_start = res->start;
-        hcd->rsrc_len = res->end - res->start + 1;
+        hcd->rsrc_len = resource_size(res);
         hcd->regs = regs;
 
         ehci = hcd_to_ehci(hcd);
@@ -287,7 +287,7 @@ err4:
 err3:
         iounmap(regs);
 err2:
-        release_mem_region(res->start, res->end - res->start + 1);
+        release_mem_region(res->start, resource_size(res));
 err1:
         dev_err(&pdev->dev, "init %s fail, %d\n",
                 dev_name(&pdev->dev), err);