[S390] cio: introduce notifier for boxed state

[linux-2.6-omap-h63xx.git] / drivers / s390 / cio / device_fsm.c

diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index ccd72f95765f1027f207c399a717fe4d8312c027..e46049261561986174c8448714e811ef6344a092 100644 (file)
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -256,14 +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;
-                       wake_up(&cdev->private->wait_q);
-                       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... */
@@ -275,7 +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;
                }
@@ -308,6 +306,12 @@ 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;
@@ -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;