ide: sanitize ide_unregister() usage

* Remove ide_unregister() call from ide_exit()
  (host drivers take care of unregistering hwif-s themselves).

* Remove ide_unregister() call from probe methods of
  bast-ide, palm_bk3710, ide-cs and delkin_cb host drivers
  (ide_find_port() returns only free ide_hwifs[] entries).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c
index d158f57..df09f03 100644
--- a/drivers/ide/arm/bast-ide.c
+++ b/drivers/ide/arm/bast-ide.c
@@ -49,11 +49,7 @@
 
 	i = hwif->index;
 
-	if (hwif->present)
-		ide_unregister(i);
-	else
-		ide_init_port_data(hwif, i);
-
+	ide_init_port_data(hwif, i);
 	ide_init_port_hw(hwif, &hw);
 	hwif->port_ops = NULL;
 
diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c
index 8fa34e2..208d7f2 100644
--- a/drivers/ide/arm/palm_bk3710.c
+++ b/drivers/ide/arm/palm_bk3710.c
@@ -398,11 +398,7 @@
 
 	i = hwif->index;
 
-	if (hwif->present)
-		ide_unregister(i);
-	else
-		ide_init_port_data(hwif, i);
-
+	ide_init_port_data(hwif, i);
 	ide_init_port_hw(hwif, &hw);
 
 	hwif->mmio = 1;
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 78e49e8..53c6a03 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1349,11 +1349,6 @@
 
 void __exit cleanup_module (void)
 {
-	int index;
-
-	for (index = 0; index < MAX_HWIFS; ++index)
-		ide_unregister(index);
-
 	proc_ide_destroy();
 
 	class_destroy(ide_port_class);
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 855e157..867fe14 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -183,11 +183,7 @@
 
     i = hwif->index;
 
-    if (hwif->present)
-	ide_unregister(i);
-    else
-	ide_init_port_data(hwif, i);
-
+    ide_init_port_data(hwif, i);
     ide_init_port_hw(hwif, &hw);
     hwif->port_ops = &idecs_port_ops;
 
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index c7b7e04..7b0ab17 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -87,11 +87,7 @@
 
 	i = hwif->index;
 
-	if (hwif->present)
-		ide_unregister(i);
-	else
-		ide_init_port_data(hwif, i);
-
+	ide_init_port_data(hwif, i);
 	ide_init_port_hw(hwif, &hw);
 	hwif->port_ops = &delkin_cb_port_ops;