MIPS: lantiq: xway: 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/lantiq/xway/dcdc.c

@@ -22,10 +22,7 @@ static void __iomem *dcdc_membase;
 
 static int dcdc_probe(struct platform_device *pdev)
 {
-	struct resource *res;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dcdc_membase = devm_ioremap_resource(&pdev->dev, res);
+	dcdc_membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(dcdc_membase))
 		return PTR_ERR(dcdc_membase);
 

arch/mips/lantiq/xway/dma.c

@@ -239,12 +239,10 @@ static int
 ltq_dma_init(struct platform_device *pdev)
 {
 	struct clk *clk;
-	struct resource *res;
 	unsigned int id, nchannels;
 	int i;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ltq_dma_membase = devm_ioremap_resource(&pdev->dev, res);
+	ltq_dma_membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(ltq_dma_membase))
 		panic("Failed to remap dma resource");
 

arch/mips/lantiq/xway/gptu.c

@@ -136,17 +136,14 @@ static inline void clkdev_add_gptu(struct device *dev, const char *con,
 static int gptu_probe(struct platform_device *pdev)
 {
 	struct clk *clk;
-	struct resource *res;
 
 	if (of_irq_to_resource_table(pdev->dev.of_node, irqres, 6) != 6) {
 		dev_err(&pdev->dev, "Failed to get IRQ list\n");
 		return -EINVAL;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
 	/* remap gptu register range */
-	gptu_membase = devm_ioremap_resource(&pdev->dev, res);
+	gptu_membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(gptu_membase))
 		return PTR_ERR(gptu_membase);