diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index 1cb25f69a96dbff9b4c93b0e3eceab93798c8146..d1afdf684c18c55a5899238dc0843fee40a08cee 100644
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -177,7 +177,7 @@ static int jz4740_wdt_probe(struct platform_device *pdev)
 		goto err_out;
 	}
 
-	drvdata->rtc_clk = clk_get(NULL, "rtc");
+	drvdata->rtc_clk = clk_get(&pdev->dev, "rtc");
 	if (IS_ERR(drvdata->rtc_clk)) {
 		dev_err(&pdev->dev, "cannot find RTC clock\n");
 		ret = PTR_ERR(drvdata->rtc_clk);