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, 8 deletions

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 095e50a93869..0881ddc5831e 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -555,14 +555,7 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive,
                                     ATAPI_WAIT_PC, cdrom_timer_expiry);
                 return ide_started;
         } else {
-                unsigned long flags;
-
-                /* packet command */
-                spin_lock_irqsave(&ide_lock, flags);
-                hwif->OUTBSYNC(drive, WIN_PACKETCMD,
-                               hwif->io_ports.command_addr);
-                ndelay(400);
-                spin_unlock_irqrestore(&ide_lock, flags);
+                ide_execute_pkt_cmd(drive);
 
                 return (*handler) (drive);
         }