video: sh7760fb: use resource_size()

The size calculation is done incorrectly in request_mem_region because
it should include both the start and end (end - start + 1).

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/video/sh7760fb.c b/drivers/video/sh7760fb.c
index bea38fc..8fe1958 100644 (file)
--- a/drivers/video/sh7760fb.c
+++ b/drivers/video/sh7760fb.c
@@ -459,14 +459,14 @@ static int __devinit sh7760fb_probe(struct platform_device *pdev)
        }
 
        par->ioarea = request_mem_region(res->start,
-                                        (res->end - res->start), pdev->name);
+                                        resource_size(res), pdev->name);
        if (!par->ioarea) {
                dev_err(&pdev->dev, "mmio area busy\n");
                ret = -EBUSY;
                goto out_fb;
        }
 
-       par->base = ioremap_nocache(res->start, res->end - res->start + 1);
+       par->base = ioremap_nocache(res->start, resource_size(res));
        if (!par->base) {
                dev_err(&pdev->dev, "cannot remap\n");
                ret = -ENODEV;