ide: remove ide_init_drive_cmd

ide_init_drive_cmd just calls blk_rq_init. This converts the users of
ide_init_drive_cmd to use blk_rq_init directly and removes
ide_init_drive_cmd.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Borislav Petkov <petkovbb@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-io.c

@@ -1538,23 +1538,6 @@ irqreturn_t ide_intr (int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-/**
- *	ide_init_drive_cmd	-	initialize a drive command request
- *	@rq: request object
- *
- *	Initialize a request before we fill it in and send it down to
- *	ide_do_drive_cmd. Commands must be set up by this function. Right
- *	now it doesn't do a lot, but if that changes abusers will have a
- *	nasty surprise.
- */
-
-void ide_init_drive_cmd (struct request *rq)
-{
-	blk_rq_init(NULL, rq);
-}
-
-EXPORT_SYMBOL(ide_init_drive_cmd);
-
 /**
  *	ide_do_drive_cmd	-	issue IDE special command
  *	@drive: device to issue command