ide: use ide_complete_cmd() for head unload commands

Move handling of head unload commands from task_no_data_intr()
to ide_complete_cmd() and then use ide_complete_cmd() also for
head unload commands.

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

drivers/ide/ide-io.c

@@ -147,12 +147,23 @@ void ide_complete_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat, u8 err)
 {
 	struct ide_taskfile *tf = &cmd->tf;
 	struct request *rq = cmd->rq;
+	u8 tf_cmd = tf->command;
 
 	tf->error = err;
 	tf->status = stat;
 
 	drive->hwif->tp_ops->tf_read(drive, cmd);
 
+	if ((cmd->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) &&
+	    tf_cmd == ATA_CMD_IDLEIMMEDIATE) {
+		if (tf->lbal != 0xc4) {
+			printk(KERN_ERR "%s: head unload failed!\n",
+			       drive->name);
+			ide_tf_dump(drive->name, tf);
+		} else
+			drive->dev_flags |= IDE_DFLAG_PARKED;
+	}
+
 	if (rq && rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
 		memcpy(rq->special, cmd, sizeof(*cmd));
 

drivers/ide/ide-taskfile.c

@@ -146,15 +146,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
 		return ide_error(drive, "task_no_data_intr", stat);
 	}
 
-	if (custom && tf->command == ATA_CMD_IDLEIMMEDIATE) {
-		hwif->tp_ops->tf_read(drive, cmd);
-		if (tf->lbal != 0xc4) {
-			printk(KERN_ERR "%s: head unload failed!\n",
-			       drive->name);
-			ide_tf_dump(drive->name, tf);
-		} else
-			drive->dev_flags |= IDE_DFLAG_PARKED;
-	} else if (custom && tf->command == ATA_CMD_SET_MULTI)
+	if (custom && tf->command == ATA_CMD_SET_MULTI)
 		drive->mult_count = drive->mult_req;
 
 	if (custom == 0 || tf->command == ATA_CMD_IDLEIMMEDIATE) {
@@ -164,7 +156,8 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
 		if (blk_pm_request(rq))
 			ide_complete_pm_rq(drive, rq);
 		else {
-			if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
+			if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE ||
+			    tf->command == ATA_CMD_IDLEIMMEDIATE)
 				ide_complete_cmd(drive, cmd, stat, err);
 			ide_complete_rq(drive, err);
 		}