ide: add ide_do_start_stop() helper

* Add ide_do_start_stop() helper and convert ide-{floppy,tape}.c
  to use it.

* Remove no longer used idefloppy_create_start_stop_cmd()
  and idetape_create_load_unload_cmd().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index c647a40c0d33..58411591edf3 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -162,6 +162,21 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk,
 }
 EXPORT_SYMBOL_GPL(ide_queue_pc_tail);
 
+int ide_do_start_stop(ide_drive_t *drive, struct gendisk *disk, int start)
+{
+        struct ide_atapi_pc pc;
+
+        ide_init_pc(&pc);
+        pc.c[0] = START_STOP;
+        pc.c[4] = start;
+
+        if (drive->media == ide_tape)
+                pc.flags |= PC_FLAG_WAIT_FOR_DSC;
+
+        return ide_queue_pc_tail(drive, disk, &pc);
+}
+EXPORT_SYMBOL_GPL(ide_do_start_stop);
+
 int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
 {
         struct ide_atapi_pc pc;