From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Thu, 24 Sep 2009 16:47:04 -0700 Subject: [PATCH 12/12] omap: rng: Use resource_size instead of manual calculation In-Reply-To: <20090924233027.6065.95725.stgit@localhost> References: <20090924233027.6065.95725.stgit@localhost> Message-ID: <20090924234704.6065.77419.stgit@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Tobias Klauser Use the resource_size function instead of manually calculating the resource size. This reduces the chance of introducing off-by-one-errors. Signed-off-by: Tobias Klauser --- drivers/char/hw_random/omap-rng.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index 00dd3de..06aad08 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -116,7 +116,7 @@ static int __devinit omap_rng_probe(struct platform_device *pdev) if (!res) return -ENOENT; - mem = request_mem_region(res->start, res->end - res->start + 1, + mem = request_mem_region(res->start, resource_size(res), pdev->name); if (mem == NULL) { ret = -EBUSY; @@ -124,7 +124,7 @@ static int __devinit omap_rng_probe(struct platform_device *pdev) } dev_set_drvdata(&pdev->dev, mem); - rng_base = ioremap(res->start, res->end - res->start + 1); + rng_base = ioremap(res->start, resource_size(res)); if (!rng_base) { ret = -ENOMEM; goto err_ioremap;