1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 6a103b310cac..8a1396f52a3a 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -3074,6 +3074,8 @@ EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
  */
 void ata_sff_port_init(struct ata_port *ap)
 {
+        ap->ctl = ATA_DEVCTL_OBS;
+        ap->last_ctl = 0xFF;
 }
 
 int __init ata_sff_init(void)