From: Tobias Klauser <tklauser@distanz.ch>
Date: Thu, 6 May 2010 09:58:55 +0000 (+0200)
Subject: dmaengine: mpc512x: Use resource_size
X-Git-Tag: v2.6.35-rc1~439^2~4
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8381fc35244dbdf58cfc49e04e0d7c3498c8aa03;p=karo-tx-linux.git

dmaengine: mpc512x: Use resource_size

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 <tklauser@distanz.ch>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---

diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 7a750b95303c..e41fb8b671d3 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -657,7 +657,7 @@ static int __devinit mpc_dma_probe(struct of_device *op,
 	}
 
 	regs_start = res.start;
-	regs_size = res.end - res.start + 1;
+	regs_size = resource_size(&res);
 
 	if (!devm_request_mem_region(dev, regs_start, regs_size, DRV_NAME)) {
 		dev_err(dev, "Error requesting memory region!\n");