diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index fe4985b54608..47304f5664d8 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -348,7 +348,7 @@ static int __init pxa_rtc_probe(struct platform_device *pdev)
 		dev_err(dev, "No alarm IRQ resource defined\n");
 		return -ENXIO;
 	}
-	pxa_rtc_open(dev);
+
 	pxa_rtc->base = devm_ioremap(dev, pxa_rtc->ress->start,
 				resource_size(pxa_rtc->ress));
 	if (!pxa_rtc->base) {
@@ -356,6 +356,8 @@ static int __init pxa_rtc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	pxa_rtc_open(dev);
+
 	sa1100_rtc->rcnr = pxa_rtc->base + 0x0;
 	sa1100_rtc->rtsr = pxa_rtc->base + 0x8;
 	sa1100_rtc->rtar = pxa_rtc->base + 0x4;