ATA_ID_SATA_CAPABILITY_2  526 include/linux/ata.h #define ata_id_has_da(id)	((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4))
ATA_ID_SATA_CAPABILITY_2  800 include/linux/ata.h 	return id[ATA_ID_SATA_CAPABILITY_2] & BIT(6);