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mtd: ixp4xx map: use resource_size
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>
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1 changed files with 3 additions and 3 deletions
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@ -210,7 +210,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
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* not attempt to do a direct access on us.
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*/
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info->map.phys = NO_XIP;
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info->map.size = dev->resource->end - dev->resource->start + 1;
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info->map.size = resource_size(dev->resource);
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/*
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* We only support 16-bit accesses for now. If and when
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@ -224,7 +224,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
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info->map.copy_from = ixp4xx_copy_from,
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info->res = request_mem_region(dev->resource->start,
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dev->resource->end - dev->resource->start + 1,
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resource_size(dev->resource),
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"IXP4XXFlash");
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if (!info->res) {
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printk(KERN_ERR "IXP4XXFlash: Could not reserve memory region\n");
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@ -233,7 +233,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
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}
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info->map.virt = ioremap(dev->resource->start,
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dev->resource->end - dev->resource->start + 1);
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resource_size(dev->resource));
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if (!info->map.virt) {
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printk(KERN_ERR "IXP4XXFlash: Failed to ioremap region\n");
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err = -EIO;
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