Commit ae437a45 authored by Sebastian Ott's avatar Sebastian Ott Committed by Heiko Carstens
Browse files

[S390] cio: remove lock from ccw_device_oper_notify.



Remove unnecessary ccw device locking inside ccw_device_oper_notify.
Signed-off-by: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Acked-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
parent 23f62689
......@@ -346,21 +346,15 @@ ccw_device_oper_notify(struct work_struct *work)
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);
}
......
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