MIPS: ralink: Use devm_platform_get_and_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/ralink/timer.c

@@ -95,7 +95,6 @@ static int rt_timer_enable(struct rt_timer *rt)
 
 static int rt_timer_probe(struct platform_device *pdev)
 {
-	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	struct rt_timer *rt;
 	struct clk *clk;
 
@@ -109,7 +108,7 @@ static int rt_timer_probe(struct platform_device *pdev)
 	if (rt->irq < 0)
 		return rt->irq;
 
-	rt->membase = devm_ioremap_resource(&pdev->dev, res);
+	rt->membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(rt->membase))
 		return PTR_ERR(rt->membase);