ide: use ide_remove_port_from_hwgroup in init_irq()

There should be no functionality changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 88c77d6..3acb1b6 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1074,23 +1074,7 @@
 	mutex_unlock(&ide_cfg_mtx);
 	return 0;
 out_unlink:
-	spin_lock_irq(&ide_lock);
-	if (hwif->next == hwif) {
-		BUG_ON(hwgroup->hwif != hwif);
-		kfree(hwgroup);
-	} else {
-		ide_hwif_t *g;
-		g = hwgroup->hwif;
-		while (g->next != hwif)
-			g = g->next;
-		g->next = hwif->next;
-		if (hwgroup->hwif == hwif) {
-			BUG_ON(hwgroup->drive);
-			hwgroup->hwif = g;
-		}
-		BUG_ON(hwgroup->hwif == hwif);
-	}
-	spin_unlock_irq(&ide_lock);
+	ide_remove_port_from_hwgroup(hwif);
 out_up:
 	mutex_unlock(&ide_cfg_mtx);
 	return 1;
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 1a3c894..ab9ca2b 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -461,7 +461,7 @@
 	hwif->hwif_data			= tmp_hwif->hwif_data;
 }
 
-static void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
+void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
 {
 	ide_hwgroup_t *hwgroup = hwif->hwgroup;
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 4d8c12c..ec10b2a 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1191,6 +1191,7 @@
 static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
 #endif
 
+void ide_remove_port_from_hwgroup(ide_hwif_t *);
 extern int ide_hwif_request_regions(ide_hwif_t *hwif);
 extern void ide_hwif_release_regions(ide_hwif_t* hwif);
 extern void ide_unregister (unsigned int index);