diff --git a/include/linux/libata.h b/include/linux/libata.h
index b38a0f9..9b2122d 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -173,6 +173,7 @@
 	ATA_FLAG_SETXFER_POLLING= (1 << 14), /* use polling for SETXFER */
 	ATA_FLAG_IGN_SIMPLEX	= (1 << 15), /* ignore SIMPLEX */
 	ATA_FLAG_NO_IORDY	= (1 << 16), /* controller lacks iordy */
+	ATA_FLAG_ACPI_SATA	= (1 << 17), /* need native SATA ACPI layout */
 
 	/* The following flag belongs to ap->pflags but is kept in
 	 * ap->flags because it's referenced in many LLDs and will be