rc32434_wdt.c: use resource_size()

[H Hartley Sweeten]

The size value passed to ioremap_nocache() is not correct.  Use 
resource_size() to get the correct value.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Wim Van Sebroeck <wim@xxxxxxxxx>
Cc: Phil Sutter <n0-1@xxxxxxxxxxx>

---

diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
index f6cccc9..3764af1 100644
--- a/drivers/watchdog/rc32434_wdt.c
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -276,7 +276,7 @@ static int __devinit rc32434_wdt_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	wdt_reg = ioremap_nocache(r->start, r->end - r->start);
+	wdt_reg = ioremap_nocache(r->start, resource_size(r));
 	if (!wdt_reg) {
 		printk(KERN_ERR PFX "failed to remap I/O resources\n");
 		return -ENXIO; 
--
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