diff --git a/drivers/rtc/rtc-ds1216.c b/drivers/rtc/rtc-ds1216.c
index d16f550897b8c6bde5399908ec23fbb967aee193..12dbd70859ae159c1cd578054d9cd5c61d92ff2f 100644
--- a/drivers/rtc/rtc-ds1216.c
+++ b/drivers/rtc/rtc-ds1216.c
@@ -144,15 +144,13 @@ static int __init ds1216_rtc_probe(struct platform_device *pdev)
 	struct ds1216_priv *priv;
 	u8 dummy[8];
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
 	platform_set_drvdata(pdev, priv);
 
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->ioaddr = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(priv->ioaddr))
 		return PTR_ERR(priv->ioaddr);
diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c
index 2fe537f4e2bd0c0cec915fb1980ed1cf0b6e5c44..8247a29a4eb4c7d302f2480cf7bdc6f5857642ea 100644
--- a/drivers/rtc/rtc-ds1286.c
+++ b/drivers/rtc/rtc-ds1286.c
@@ -332,13 +332,11 @@ static int ds1286_probe(struct platform_device *pdev)
 	struct resource *res;
 	struct ds1286_priv *priv;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
 	priv = devm_kzalloc(&pdev->dev, sizeof(struct ds1286_priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->rtcregs = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(priv->rtcregs))
 		return PTR_ERR(priv->rtcregs);
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index d2cdb9823a1573225c9f61c18ed4513fb8cb8126..f05ef8568480429f912bf47f72349eb331d214ca 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -358,12 +358,6 @@ static int spear_rtc_probe(struct platform_device *pdev)
 	int status = 0;
 	int irq;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "no resource defined\n");
-		return -EBUSY;
-	}
-
 	config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL);
 	if (!config)
 		return -ENOMEM;
@@ -383,6 +377,7 @@ static int spear_rtc_probe(struct platform_device *pdev)
 		return status;
 	}
 
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	config->ioaddr = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(config->ioaddr))
 		return PTR_ERR(config->ioaddr);