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authorTobias Klauser <tklauser@distanz.ch>2009-10-30 17:54:33 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-11-30 09:47:24 +0000
commitd6587feaf0ed7511b3d0b52bcaae8ecd0949d3af (patch)
treecfd13ef9280472485342cc1384989fbc87d5fda9 /drivers/mtd/maps
parent2af7c653993199fb32dc6d9504064a0c9c57e5d6 (diff)
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>
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/ixp4xx.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 7214b876feb..7b051529741 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -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;