USB: ehci-atmel.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>

diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 87c1b7c34c0e82bc0684f1fcb8bd28e7f917c225..51bd0edf544fc56b9463ea130711bd4e9767d9b6 100644 (file)
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -149,7 +149,7 @@ static int __init ehci_atmel_drv_probe(struct platform_device *pdev)
                goto fail_request_resource;
        }
        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)) {