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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/video/sh7760fb.c b/drivers/video/sh7760fb.c
index bea38fce2470..8fe19582c460 100644
--- 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;