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
--- a/drivers/video/sh7760fb.c
+++ b/drivers/video/sh7760fb.c
@@ -459,14 +459,14 @@
}
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;