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path: root/drivers/s390/cio/device_fsm.c
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Diffstat (limited to 'drivers/s390/cio/device_fsm.c')
-rw-r--r--drivers/s390/cio/device_fsm.c31
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)
337 return 0; 337 return 0;
338 if (!cdev->online) 338 if (!cdev->online)
339 return 0; 339 return 0;
340 CIO_MSG_EVENT(2, "notify called for 0.%x.%04x, event=%d\n",
341 cdev->private->dev_id.ssid, cdev->private->dev_id.devno,
342 event);
340 return cdev->drv->notify ? cdev->drv->notify(cdev, event) : 0; 343 return cdev->drv->notify ? cdev->drv->notify(cdev, event) : 0;
341} 344}
342 345
343static void 346static void cmf_reenable_delayed(struct work_struct *work)
344ccw_device_oper_notify(struct work_struct *work)
345{ 347{
346 struct ccw_device_private *priv; 348 struct ccw_device_private *priv;
347 struct ccw_device *cdev; 349 struct ccw_device *cdev;
348 int ret;
349 350
350 priv = container_of(work, struct ccw_device_private, kick_work); 351 priv = container_of(work, struct ccw_device_private, kick_work);
351 cdev = priv->cdev; 352 cdev = priv->cdev;
352 ret = ccw_device_notify(cdev, CIO_OPER); 353 cmf_reenable(cdev);
353 if (ret) { 354}
355
356static void ccw_device_oper_notify(struct ccw_device *cdev)
357{
358 if (ccw_device_notify(cdev, CIO_OPER)) {
354 /* Reenable channel measurements, if needed. */ 359 /* Reenable channel measurements, if needed. */
355 cmf_reenable(cdev); 360 PREPARE_WORK(&cdev->private->kick_work, cmf_reenable_delayed);
356 wake_up(&cdev->private->wait_q); 361 queue_work(ccw_device_work, &cdev->private->kick_work);
357 } else 362 return;
358 /* Driver doesn't want device back. */ 363 }
359 ccw_device_do_unreg_rereg(work); 364 /* Driver doesn't want device back. */
365 ccw_device_set_notoper(cdev);
366 PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unreg_rereg);
367 queue_work(ccw_device_work, &cdev->private->kick_work);
360} 368}
361 369
362/* 370/*
@@ -386,8 +394,7 @@ ccw_device_done(struct ccw_device *cdev, int state)
386 394
387 if (cdev->private->flags.donotify) { 395 if (cdev->private->flags.donotify) {
388 cdev->private->flags.donotify = 0; 396 cdev->private->flags.donotify = 0;
389 PREPARE_WORK(&cdev->private->kick_work, ccw_device_oper_notify); 397 ccw_device_oper_notify(cdev);
390 queue_work(ccw_device_notify_work, &cdev->private->kick_work);
391 } 398 }
392 wake_up(&cdev->private->wait_q); 399 wake_up(&cdev->private->wait_q);
393 400