Hexagon: Use resource_size function

Use resource_size function on resource object
 instead of explicit computation.

 The semantic patch that makes this change is available
 in scripts/coccinelle/api/resource_size.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

arch/hexagon/kernel/time.c

@@ -201,12 +201,10 @@ void __init time_init_deferred(void)
 		resource = rtos_timer_device.resource;
 
 	/*  ioremap here means this has to run later, after paging init  */
-	rtos_timer = ioremap(resource->start, resource->end
-		- resource->start + 1);
+	rtos_timer = ioremap(resource->start, resource_size(resource));
 
 	if (!rtos_timer) {
-		release_mem_region(resource->start, resource->end
-			- resource->start + 1);
+		release_mem_region(resource->start, resource_size(resource));
 	}
 	clocksource_register_khz(&hexagon_clocksource, pcycle_freq_mhz * 1000);