port_companion    209 drivers/ata/libata-acpi.c 	struct acpi_device *port_companion = ACPI_COMPANION(&ap->tdev);
port_companion    220 drivers/ata/libata-acpi.c 			(!(ap->flags & ATA_FLAG_ACPI_SATA) && !port_companion))
port_companion    231 drivers/ata/libata-acpi.c 		parent = port_companion;