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omap: Use resource_size

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Use the resource_size function instead of manually calculating the
resource size. This reduces the chance of introducing off-by-one errors
and actually fixes one in mailbox.c.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tobias Klauser
2009-11-10 18:55:19 -08:00
committed by Tony Lindgren
parent ee90732456
commit 6d13524209
2 changed files with 2 additions and 2 deletions
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arch/arm/mach-omap2/mailbox.c
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@@ -300,7 +300,7 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "invalid mem resource\n");
return -ENODEV;
}
mbox_base = ioremap(res->start, res->end - res->start);
mbox_base = ioremap(res->start, resource_size(res));
if (!mbox_base)
return -ENOMEM;