ide: fix hwif-s initialization

* Add ide_hwifs[] entry initialization to ide_find_port_slot()
  and remove ide_init_port_data() calls from host drivers.

* Unexport ide_init_port_data().

* Remove no longer needed init_ide_data().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/arm/palm_bk3710.c

@@ -400,7 +400,6 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev)
 
 	i = hwif->index;
 
-	ide_init_port_data(hwif, i);
 	ide_init_port_hw(hwif, &hw);
 
 	default_hwif_mmiops(hwif);

drivers/ide/h8300/ide-h8300.c

@@ -199,7 +199,6 @@ static int __init h8300_ide_init(void)
 	}
 
 	index = hwif->index;
-	ide_init_port_data(hwif, index);
 	ide_init_port_hw(hwif, &hw);
 	hwif_setup(hwif);
 	hwif->host_flags = IDE_HFLAG_NO_IO_32BIT;

drivers/ide/ide-pnp.c

@@ -62,7 +62,6 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
 		u8 index = hwif->index;
 		u8 idx[4] = { index, 0xff, 0xff, 0xff };
 
-		ide_init_port_data(hwif, index);
 		ide_init_port_hw(hwif, &hw);
 
 		printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);

drivers/ide/ide-probe.c

@@ -1473,22 +1473,26 @@ ide_hwif_t *ide_find_port_slot(const struct ide_port_info *d)
 		for (; i < MAX_HWIFS; i++) {
 			hwif = &ide_hwifs[i];
 			if (hwif->chipset == ide_unknown)
-				return hwif;
+				goto out_found;
 		}
 	} else {
 		for (i = 2; i < MAX_HWIFS; i++) {
 			hwif = &ide_hwifs[i];
 			if (hwif->chipset == ide_unknown)
-				return hwif;
+				goto out_found;
 		}
 		for (i = 0; i < 2 && i < MAX_HWIFS; i++) {
 			hwif = &ide_hwifs[i];
 			if (hwif->chipset == ide_unknown)
-				return hwif;
+				goto out_found;
 		}
 	}
 
 	return NULL;
+
+out_found:
+	ide_init_port_data(hwif, i);
+	return hwif;
 }
 EXPORT_SYMBOL_GPL(ide_find_port_slot);
 

drivers/ide/ide.c

@@ -121,7 +121,6 @@ void ide_init_port_data(ide_hwif_t *hwif, unsigned int index)
 
 	ide_port_init_devices_data(hwif);
 }
-EXPORT_SYMBOL_GPL(ide_init_port_data);
 
 static void ide_port_init_devices_data(ide_hwif_t *hwif)
 {
@@ -150,18 +149,6 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif)
 	}
 }
 
-static void __init init_ide_data (void)
-{
-	unsigned int index;
-
-	/* Initialise all interface structures */
-	for (index = 0; index < MAX_HWIFS; ++index) {
-		ide_hwif_t *hwif = &ide_hwifs[index];
-
-		ide_init_port_data(hwif, index);
-	}
-}
-
 void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
 {
 	ide_hwgroup_t *hwgroup = hwif->hwgroup;
@@ -1021,8 +1008,6 @@ static int __init ide_init(void)
 		goto out_port_class;
 	}
 
-	init_ide_data();
-
 	proc_ide_create();
 
 	return 0;

drivers/ide/legacy/buddha.c

@@ -227,7 +227,6 @@ fail_base2:
 			if (hwif) {
 				u8 index = hwif->index;
 
-				ide_init_port_data(hwif, index);
 				ide_init_port_hw(hwif, &hw);
 
 				idx[i] = index;

drivers/ide/legacy/falconide.c

@@ -111,7 +111,6 @@ static int __init falconide_init(void)
 		u8 index = hwif->index;
 		u8 idx[4] = { index, 0xff, 0xff, 0xff };
 
-		ide_init_port_data(hwif, index);
 		ide_init_port_hw(hwif, &hw);
 
 		/* Atari has a byte-swapped IDE interface */

drivers/ide/legacy/gayle.c

@@ -185,7 +185,6 @@ found:
 	if (hwif) {
 	    u8 index = hwif->index;
 
-	    ide_init_port_data(hwif, index);
 	    ide_init_port_hw(hwif, &hw);
 
 	    idx[i] = index;

drivers/ide/legacy/ide-cs.c

@@ -187,7 +187,6 @@ static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl,
 
     i = hwif->index;
 
-    ide_init_port_data(hwif, i);
     ide_init_port_hw(hwif, &hw);
     hwif->port_ops = &idecs_port_ops;
 

drivers/ide/legacy/macide.c

@@ -130,7 +130,6 @@ static int __init macide_init(void)
 		u8 index = hwif->index;
 		u8 idx[4] = { index, 0xff, 0xff, 0xff };
 
-		ide_init_port_data(hwif, index);
 		ide_init_port_hw(hwif, &hw);
 
 		ide_device_add(idx, NULL);

drivers/ide/legacy/q40ide.c

@@ -142,7 +142,6 @@ static int __init q40ide_init(void)
 
 	hwif = ide_find_port();
 	if (hwif) {
-		ide_init_port_data(hwif, hwif->index);
 		ide_init_port_hw(hwif, &hw);
 
 		/* Q40 has a byte-swapped IDE interface */

drivers/ide/pci/delkin_cb.c

@@ -93,7 +93,6 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
 
 	i = hwif->index;
 
-	ide_init_port_data(hwif, i);
 	ide_init_port_hw(hwif, &hw);
 
 	idx[0] = i;