diff --git a/drivers/ptp/ptp_dte.c b/drivers/ptp/ptp_dte.c
index 0dcfdc806f57c2eb475a7bfcce21d6eeba7b9ec0..82d31ba326907f69c0b0fe19e10e06bdd7672bdd 100644
--- a/drivers/ptp/ptp_dte.c
+++ b/drivers/ptp/ptp_dte.c
@@ -240,14 +240,12 @@ static int ptp_dte_probe(struct platform_device *pdev)
 {
 	struct ptp_dte *ptp_dte;
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 
 	ptp_dte = devm_kzalloc(dev, sizeof(struct ptp_dte), GFP_KERNEL);
 	if (!ptp_dte)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ptp_dte->regs = devm_ioremap_resource(dev, res);
+	ptp_dte->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ptp_dte->regs))
 		return PTR_ERR(ptp_dte->regs);