diff --git a/sound/soc/au1x/psc-i2s.c b/sound/soc/au1x/psc-i2s.c
index e742ef668496..38e853add96e 100644
--- a/sound/soc/au1x/psc-i2s.c
+++ b/sound/soc/au1x/psc-i2s.c
@@ -305,19 +305,9 @@ static int au1xpsc_i2s_drvprobe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!iores)
-		return -ENODEV;
-
-	ret = -EBUSY;
-	if (!devm_request_mem_region(&pdev->dev, iores->start,
-				     resource_size(iores),
-				     pdev->name))
-		return -EBUSY;
-
-	wd->mmio = devm_ioremap(&pdev->dev, iores->start,
-				resource_size(iores));
-	if (!wd->mmio)
-		return -EBUSY;
+	wd->mmio = devm_ioremap_resource(&pdev->dev, iores);
+	if (IS_ERR(wd->mmio))
+		return PTR_ERR(wd->mmio);
 
 	dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
 	if (!dmares)