mirror of
https://github.com/torvalds/linux.git
synced 2024-11-11 22:51:42 +00:00
[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>
This commit is contained in:
parent
23f6268947
commit
ae437a452e
@ -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);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user