i2c: au1550: 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: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/i2c-au1550.c

@@ -302,7 +302,6 @@ static int
 i2c_au1550_probe(struct platform_device *pdev)
 {
 	struct i2c_au1550_data *priv;
-	struct resource *r;
 	int ret;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(struct i2c_au1550_data),
@@ -310,8 +309,7 @@ i2c_au1550_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->psc_base = devm_ioremap_resource(&pdev->dev, r);
+	priv->psc_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(priv->psc_base))
 		return PTR_ERR(priv->psc_base);