static int qs_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
static irqreturn_t qs_intr (int irq, void *dev_instance, struct pt_regs *regs);
static int qs_port_start(struct ata_port *ap);
static int qs_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
static irqreturn_t qs_intr (int irq, void *dev_instance, struct pt_regs *regs);
static int qs_port_start(struct ata_port *ap);