diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 030bf3995e7e042e19c67b5010571da6034f2e87..37442407d9483235e3171c1321e581e33df68ad9 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1080,11 +1080,11 @@ static int at86rf230_probe(struct spi_device *spi)
 	}
 
 	/* Reset */
-	msleep(1);
+	udelay(1);
 	gpio_set_value(pdata->rstn, 0);
-	msleep(1);
+	udelay(1);
 	gpio_set_value(pdata->rstn, 1);
-	msleep(1);
+	usleep_range(120, 240);
 
 	rc = __at86rf230_detect_device(spi, &man_id, &part, &version);
 	if (rc < 0)