mtd: physmap_of: use resource_size
authorWolfram Sang <w.sang@pengutronix.de>
Fri, 17 Jul 2009 15:54:14 +0000 (17:54 +0200)
committerDavid Woodhouse <David.Woodhouse@intel.com>
Fri, 4 Sep 2009 08:37:18 +0000 (09:37 +0100)
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
drivers/mtd/maps/physmap_of.c

index 39d357b2eb47fdb24a0b7889cee4adeb46ee3171..f223f3fec3afc0fb66b3ab13b44b8399dba8ef2a 100644 (file)
@@ -190,6 +190,7 @@ static int __devinit of_flash_probe(struct of_device *dev,
        const u32 *p;
        int reg_tuple_size;
        struct mtd_info **mtd_list = NULL;
+       resource_size_t res_size;
 
        reg_tuple_size = (of_n_addr_cells(dp) + of_n_size_cells(dp)) * sizeof(u32);
 
@@ -233,8 +234,8 @@ static int __devinit of_flash_probe(struct of_device *dev,
                        (unsigned long long)res.end);
 
                err = -EBUSY;
-               info->list[i].res = request_mem_region(res.start, res.end -
-                                                      res.start + 1,
+               res_size = resource_size(&res);
+               info->list[i].res = request_mem_region(res.start, res_size,
                                                       dev_name(&dev->dev));
                if (!info->list[i].res)
                        goto err_out;
@@ -249,7 +250,7 @@ static int __devinit of_flash_probe(struct of_device *dev,
 
                info->list[i].map.name = dev_name(&dev->dev);
                info->list[i].map.phys = res.start;
-               info->list[i].map.size = res.end - res.start + 1;
+               info->list[i].map.size = res_size;
                info->list[i].map.bankwidth = *width;
 
                err = -ENOMEM;