diff options
Diffstat (limited to 'drivers/s390/cio/device_fsm.c')
-rw-r--r-- | drivers/s390/cio/device_fsm.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 8b5fe57fb2f3..550508df952b 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -337,26 +337,34 @@ int ccw_device_notify(struct ccw_device *cdev, int event) return 0; if (!cdev->online) return 0; + CIO_MSG_EVENT(2, "notify called for 0.%x.%04x, event=%d\n", + cdev->private->dev_id.ssid, cdev->private->dev_id.devno, + event); return cdev->drv->notify ? cdev->drv->notify(cdev, event) : 0; } -static void -ccw_device_oper_notify(struct work_struct *work) +static void cmf_reenable_delayed(struct work_struct *work) { struct ccw_device_private *priv; struct ccw_device *cdev; - int ret; priv = container_of(work, struct ccw_device_private, kick_work); cdev = priv->cdev; - ret = ccw_device_notify(cdev, CIO_OPER); - if (ret) { + cmf_reenable(cdev); +} + +static void ccw_device_oper_notify(struct ccw_device *cdev) +{ + if (ccw_device_notify(cdev, CIO_OPER)) { /* Reenable channel measurements, if needed. */ - cmf_reenable(cdev); - wake_up(&cdev->private->wait_q); - } else - /* Driver doesn't want device back. */ - ccw_device_do_unreg_rereg(work); + PREPARE_WORK(&cdev->private->kick_work, cmf_reenable_delayed); + queue_work(ccw_device_work, &cdev->private->kick_work); + return; + } + /* Driver doesn't want device back. */ + ccw_device_set_notoper(cdev); + PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unreg_rereg); + queue_work(ccw_device_work, &cdev->private->kick_work); } /* @@ -386,8 +394,7 @@ ccw_device_done(struct ccw_device *cdev, int state) if (cdev->private->flags.donotify) { cdev->private->flags.donotify = 0; - PREPARE_WORK(&cdev->private->kick_work, ccw_device_oper_notify); - queue_work(ccw_device_notify_work, &cdev->private->kick_work); + ccw_device_oper_notify(cdev); } wake_up(&cdev->private->wait_q); |