pata_sch: use ata_pci_sff_init_one()

pata_sch is standard SFF.  No reason to open code init.  Use
ata_pci_sff_init_one() instead.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/ata/pata_sch.c

@@ -174,22 +174,12 @@ static int __devinit sch_init_one(struct pci_dev *pdev,
 {
 	static int printed_version;
 	const struct ata_port_info *ppi[] = { &sch_port_info, NULL };
-	struct ata_host *host;
-	int rc;
 
 	if (!printed_version++)
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "version " DRV_VERSION "\n");
 
-	/* enable device and prepare host */
-	rc = pcim_enable_device(pdev);
-	if (rc)
-		return rc;
-	rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
-	if (rc)
-		return rc;
-	pci_set_master(pdev);
-	return ata_pci_sff_activate_host(host, ata_sff_interrupt, &sch_sht);
+	return ata_pci_sff_init_one(pdev, ppi, &sch_sht, NULL, 0);
 }
 
 static int __init sch_init(void)