diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 0cd3ad4..e0dca54 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3805,6 +3805,7 @@ int sata_std_hardreset(struct ata_link *link, unsigned int *class,
 
 	/* do hardreset */
 	rc = sata_link_hardreset(link, timing, deadline, &online, NULL);
+	msleep(500);
 	return online ? -EAGAIN : rc;
 }