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;