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mtd: ixp4xx map: use resource_size

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Use the resource_size inline 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: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Tobias Klauser 2009-10-30 17:54:33 +01:00 committed by David Woodhouse
parent 2af7c65399
commit d6587feaf0
1 changed files with 3 additions and 3 deletions
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6
drivers/mtd/maps/ixp4xx.c
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@ -210,7 +210,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
* not attempt to do a direct access on us.
*/
info->map.phys = NO_XIP;
info->map.size = dev->resource->end - dev->resource->start + 1;
info->map.size = resource_size(dev->resource);
/*
* We only support 16-bit accesses for now. If and when
@ -224,7 +224,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
info->map.copy_from = ixp4xx_copy_from,
info->res = request_mem_region(dev->resource->start,
dev->resource->end - dev->resource->start + 1,
resource_size(dev->resource),
"IXP4XXFlash");
if (!info->res) {
printk(KERN_ERR "IXP4XXFlash: Could not reserve memory region\n");
@ -233,7 +233,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
}
info->map.virt = ioremap(dev->resource->start,
dev->resource->end - dev->resource->start + 1);
resource_size(dev->resource));
if (!info->map.virt) {
printk(KERN_ERR "IXP4XXFlash: Failed to ioremap region\n");
err = -EIO;