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@xxxxxxxxx>
---
drivers/video/sh7760fb.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
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 @@ 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;
--
1.7.0.4
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