diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c
index 6540186753ee..8a1a8a5dc8c8 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -1657,8 +1657,9 @@ static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	devpriv->dma_rtc = 0;
 	if (it->options[2] > 0) {	/*  we want to use DMA */
 		if (RTC_lock == 0) {
-			if (!request_region(RTC_PORT(0), RTC_IO_EXTENT,
-					    "pcl818 (RTC)"))
+			ret = __comedi_request_resource(dev, RTC_PORT(0),
+							RTC_IO_EXTENT);
+			if (ret)
 				goto no_rtc;
 		}
 		devpriv->rtc_iobase = RTC_PORT(0);