[S390] cio: remove lock from ccw_device_oper_notify.
Remove unnecessary ccw device locking inside ccw_device_oper_notify.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index cd31bb5..8b5fe57 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -346,21 +346,15 @@
struct ccw_device_private *priv;
struct ccw_device *cdev;
int ret;
- unsigned long flags;
priv = container_of(work, struct ccw_device_private, kick_work);
cdev = priv->cdev;
ret = ccw_device_notify(cdev, CIO_OPER);
- spin_lock_irqsave(cdev->ccwlock, flags);
if (ret) {
/* Reenable channel measurements, if needed. */
- spin_unlock_irqrestore(cdev->ccwlock, flags);
cmf_reenable(cdev);
- spin_lock_irqsave(cdev->ccwlock, flags);
wake_up(&cdev->private->wait_q);
- }
- spin_unlock_irqrestore(cdev->ccwlock, flags);
- if (!ret)
+ } else
/* Driver doesn't want device back. */
ccw_device_do_unreg_rereg(work);
}