diff options
| -rw-r--r-- | drivers/s390/cio/blacklist.c | 5 | ||||
| -rw-r--r-- | drivers/s390/cio/device.c | 21 |
2 files changed, 8 insertions, 18 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index 4dd2eb634856..f3c656975e05 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -262,7 +262,10 @@ static int blacklist_parse_proc_parameters(char *buf) if (strcmp("free", parm) == 0) { rc = blacklist_parse_parameters(buf, free, 0); - css_schedule_eval_all_unreg(0); + /* There could be subchannels without proper devices connected. + * evaluate all the entries + */ + css_schedule_eval_all(); } else if (strcmp("add", parm) == 0) rc = blacklist_parse_parameters(buf, add, 0); else if (strcmp("purge", parm) == 0) diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 84f659cafe76..dcd06806ba3d 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -867,19 +867,6 @@ out_err: wake_up(&ccw_device_init_wq); } -static void ccw_device_call_sch_unregister(struct ccw_device *cdev) -{ - struct subchannel *sch; - - /* Get subchannel reference for local processing. */ - if (!get_device(cdev->dev.parent)) - return; - sch = to_subchannel(cdev->dev.parent); - css_sch_device_unregister(sch); - /* Release subchannel reference for local processing. */ - put_device(&sch->dev); -} - /* * subchannel recognition done. Called from the state machine. */ @@ -1860,10 +1847,10 @@ static void ccw_device_todo(struct work_struct *work) css_schedule_eval(sch->schid); fallthrough; case CDEV_TODO_UNREG: - if (sch_is_pseudo_sch(sch)) - ccw_device_unregister(cdev); - else - ccw_device_call_sch_unregister(cdev); + spin_lock_irq(sch->lock); + sch_set_cdev(sch, NULL); + spin_unlock_irq(sch->lock); + ccw_device_unregister(cdev); break; default: break; |