USB: c67x00: use resource_size().

Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/c67x00/c67x00-drv.c b/drivers/usb/c67x00/c67x00-drv.c
index 5633bc5c8bf23a7bd21b9755886c0731748e6769..029ee4a8a1f33b4b3bf4d28dd4a46723b9fdc72a 100644 (file)
--- a/drivers/usb/c67x00/c67x00-drv.c
+++ b/drivers/usb/c67x00/c67x00-drv.c
@@ -137,13 +137,13 @@ static int __devinit c67x00_drv_probe(struct platform_device *pdev)
        if (!c67x00)
                return -ENOMEM;
 
-       if (!request_mem_region(res->start, res->end - res->start + 1,
+       if (!request_mem_region(res->start, resource_size(res),
                                pdev->name)) {
                dev_err(&pdev->dev, "Memory region busy\n");
                ret = -EBUSY;
                goto request_mem_failed;
        }
-       c67x00->hpi.base = ioremap(res->start, res->end - res->start + 1);
+       c67x00->hpi.base = ioremap(res->start, resource_size(res));
        if (!c67x00->hpi.base) {
                dev_err(&pdev->dev, "Unable to map HPI registers\n");
                ret = -EIO;
@@ -182,7 +182,7 @@ static int __devinit c67x00_drv_probe(struct platform_device *pdev)
  request_irq_failed:
        iounmap(c67x00->hpi.base);
  map_failed:
-       release_mem_region(res->start, res->end - res->start + 1);
+       release_mem_region(res->start, resource_size(res));
  request_mem_failed:
        kfree(c67x00);
 
@@ -208,7 +208,7 @@ static int __devexit c67x00_drv_remove(struct platform_device *pdev)
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (res)
-               release_mem_region(res->start, res->end - res->start + 1);
+               release_mem_region(res->start, resource_size(res));
 
        kfree(c67x00);