tc86c001: remove ->init_chipset method

* Reserve PCI BAR 5 in tc86c001_init_one() and remove no longer needed
  init_chipset_tc86c001().

While at it:

* Add & use DRV_NAME define.

Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/pci/tc86c001.c

@@ -11,6 +11,8 @@
 #include <linux/pci.h>
 #include <linux/ide.h>
 
+#define DRV_NAME "TC86C001"
+
 static void tc86c001_set_mode(ide_drive_t *drive, const u8 speed)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
@@ -173,16 +175,6 @@ static void __devinit init_hwif_tc86c001(ide_hwif_t *hwif)
 	hwif->rqsize	 = 0xffff;
 }
 
-static unsigned int __devinit init_chipset_tc86c001(struct pci_dev *dev,
-							const char *name)
-{
-	int err = pci_request_region(dev, 5, name);
-
-	if (err)
-		printk(KERN_ERR "%s: system control regs already in use", name);
-	return err;
-}
-
 static const struct ide_port_ops tc86c001_port_ops = {
 	.set_pio_mode		= tc86c001_set_pio_mode,
 	.set_dma_mode		= tc86c001_set_mode,
@@ -202,7 +194,6 @@ static const struct ide_dma_ops tc86c001_dma_ops = {
 
 static const struct ide_port_info tc86c001_chipset __devinitdata = {
 	.name		= "TC86C001",
-	.init_chipset	= init_chipset_tc86c001,
 	.init_hwif	= init_hwif_tc86c001,
 	.port_ops	= &tc86c001_port_ops,
 	.dma_ops	= &tc86c001_dma_ops,
@@ -215,7 +206,30 @@ static const struct ide_port_info tc86c001_chipset __devinitdata = {
 static int __devinit tc86c001_init_one(struct pci_dev *dev,
 				       const struct pci_device_id *id)
 {
-	return ide_pci_init_one(dev, &tc86c001_chipset, NULL);
+	int rc;
+
+	rc = pci_enable_device(dev);
+	if (rc)
+		goto out;
+
+	rc = pci_request_region(dev, 5, DRV_NAME);
+	if (rc) {
+		printk(KERN_ERR DRV_NAME ": system control regs already in use");
+		goto out_disable;
+	}
+
+	rc = ide_pci_init_one(dev, &tc86c001_chipset, NULL);
+	if (rc)
+		goto out_release;
+
+	goto out;
+
+out_release:
+	pci_release_region(dev, 5);
+out_disable:
+	pci_disable_device(dev);
+out:
+	return rc;
 }
 
 static const struct pci_device_id tc86c001_pci_tbl[] = {