diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index aeadd00411a187dc164eaa4abe4c3a447af8af59..289719b2cb30392e49ab3c59707c8d967be621d6 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -588,6 +588,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv },	/* 6145 */
 	{ PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv },	/* 6121 */
 
+	/* Promise */
+	{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },	/* PDC42819 */
+
 	/* Generic, PCI class code for AHCI */
 	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },