ide: add ide_[un]lock_hwgroup() helpers

Add ide_[un]lock_hwgroup() inline helpers for obtaining exclusive
access to the given hwgroup and update the core code accordingly.

[ This change besides making code saner results in more efficient
  use of ide_{get,release}_lock(). ]

Cc: Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Elias Oltmanns <eo@nebensachen.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c
index 63d01c55f865..44c6787f8aeb 100644
--- a/drivers/ide/ide-park.c
+++ b/drivers/ide/ide-park.c
@@ -22,7 +22,7 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout)
                 if (reset_timer && hwgroup->sleeping &&
                     del_timer(&hwgroup->timer)) {
                         hwgroup->sleeping = 0;
-                        hwgroup->busy = 0;
+                        ide_unlock_hwgroup(hwgroup);
                         blk_start_queueing(q);
                 }
                 spin_unlock_irq(&hwgroup->lock);