USB: ehci-au1xxx.c: use platform_get_resource() and resource_size()

Use platform_get_resource() to fetch the memory resource and
resource_size() for calculate the length.

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index dbfb482a94e37a7389c2d9c13681a5c9da408325..e3a74e75e8225585c5c85e089f82fe046e7b4796 100644 (file)
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -121,6 +121,7 @@ static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
 {
        struct usb_hcd *hcd;
        struct ehci_hcd *ehci;
+       struct resource *res;
        int ret;
 
        if (usb_disabled())
@@ -144,8 +145,9 @@ static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
        if (!hcd)
                return -ENOMEM;
 
-       hcd->rsrc_start = pdev->resource[0].start;
-       hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       hcd->rsrc_start = res->start;
+       hcd->rsrc_len = resource_size(res);
 
        if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
                pr_debug("request_mem_region failed");