ide: add ide_execute_pkt_cmd() helper

Add ide_execute_pkt_cmd() helper for executing PACKET command,
then convert ATAPI device drivers to use it.

As a nice side-effect this fixes ide-{floppy,tape,scsi} w.r.t.
ide_lock taking (ide-cd was OK).

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

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 8b1c783e259b..7964cc146152 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -574,9 +574,7 @@ static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive,
                 return ide_started;
         } else {
                 /* Issue the packet command */
-                hwif->OUTBSYNC(drive, WIN_PACKETCMD,
-                               hwif->io_ports.command_addr);
-                ndelay(400);
+                ide_execute_pkt_cmd(drive);
                 return idescsi_transfer_pc(drive);
         }
 }