[WATCHDOG] use resource_size()

Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Kevin Hilman <khilman@ti.deeprootsystems.com>
Cc: Ulrik Bech Hald <ubh@ti.com>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Ming Lei <tom.leiming@gmail.com>
Cc: Vincent Sanders <support@simtec.co.uk>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/watchdog/adx_wdt.c b/drivers/watchdog/adx_wdt.c
index 9c6594473d3b..9d7d155364f8 100644
--- a/drivers/watchdog/adx_wdt.c
+++ b/drivers/watchdog/adx_wdt.c
@@ -242,14 +242,14 @@ static int __devinit adx_wdt_probe(struct platform_device *pdev)
         }
 
         res = devm_request_mem_region(&pdev->dev, res->start,
-                        res->end - res->start + 1, res->name);
+                        resource_size(res), res->name);
         if (!res) {
                 dev_err(&pdev->dev, "cannot request I/O memory region\n");
                 return -ENXIO;
         }
 
         wdt->base = devm_ioremap_nocache(&pdev->dev, res->start,
-                        res->end - res->start + 1);
+                        resource_size(res));
         if (!wdt->base) {
                 dev_err(&pdev->dev, "cannot remap I/O memory region\n");
                 return -ENXIO;