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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 87b4bfca080f..e46049261561 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -256,13 +256,12 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
old_lpm = 0;
if (sch->lpm != old_lpm)
__recover_lost_chpids(sch, old_lpm);
- if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) {
- if (state == DEV_STATE_NOT_OPER) {
- cdev->private->flags.recog_done = 1;
- cdev->private->state = DEV_STATE_DISCONNECTED;
- return;
- }
- /* Boxed devices don't need extra treatment. */
+ if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID &&
+ (state == DEV_STATE_NOT_OPER || state == DEV_STATE_BOXED)) {
+ cdev->private->flags.recog_done = 1;
+ cdev->private->state = DEV_STATE_DISCONNECTED;
+ wake_up(&cdev->private->wait_q);
+ return;
}
notify = 0;
same_dev = 0; /* Keep the compiler quiet... */
@@ -274,7 +273,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
sch->schid.ssid, sch->schid.sch_no);
break;
case DEV_STATE_OFFLINE:
- if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) {
+ if (cdev->online) {
same_dev = ccw_device_handle_oper(cdev);
notify = 1;
}
@@ -307,12 +306,17 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
" subchannel 0.%x.%04x\n",
cdev->private->dev_id.devno,
sch->schid.ssid, sch->schid.sch_no);
+ if (cdev->id.cu_type != 0) { /* device was recognized before */
+ cdev->private->flags.recog_done = 1;
+ cdev->private->state = DEV_STATE_BOXED;
+ wake_up(&cdev->private->wait_q);
+ return;
+ }
break;
}
cdev->private->state = state;
io_subchannel_recog_done(cdev);
- if (state != DEV_STATE_NOT_OPER)
- wake_up(&cdev->private->wait_q);
+ wake_up(&cdev->private->wait_q);
}
/*
@@ -390,10 +394,13 @@ ccw_device_done(struct ccw_device *cdev, int state)
cdev->private->state = state;
-
- if (state == DEV_STATE_BOXED)
+ if (state == DEV_STATE_BOXED) {
CIO_MSG_EVENT(0, "Boxed device %04x on subchannel %04x\n",
cdev->private->dev_id.devno, sch->schid.sch_no);
+ if (cdev->online && !ccw_device_notify(cdev, CIO_BOXED))
+ ccw_device_schedule_sch_unregister(cdev);
+ cdev->private->flags.donotify = 0;
+ }
if (cdev->private->flags.donotify) {
cdev->private->flags.donotify = 0;