diff options
Diffstat (limited to 'drivers/s390/cio/device_fsm.c')
| -rw-r--r-- | drivers/s390/cio/device_fsm.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 01330cf5ae5e..e1a3786779ba 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -140,8 +140,7 @@ ccw_device_cancel_halt_clear(struct ccw_device *cdev) int ret; sch = to_subchannel(cdev->dev.parent); - ret = stsch(sch->schid, &sch->schib); - if (ret || !sch->schib.pmcw.dnv) + if (cio_update_schib(sch)) return -ENODEV; if (!sch->schib.pmcw.ena) /* Not operational -> done. */ @@ -245,11 +244,13 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) * through ssch() and the path information is up to date. */ old_lpm = sch->lpm; - stsch(sch->schid, &sch->schib); - sch->lpm = sch->schib.pmcw.pam & sch->opm; + /* Check since device may again have become not operational. */ - if (!sch->schib.pmcw.dnv) + if (cio_update_schib(sch)) state = DEV_STATE_NOT_OPER; + else + sch->lpm = sch->schib.pmcw.pam & sch->opm; + if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) /* Force reprobe on all chpids. */ old_lpm = 0; @@ -549,7 +550,11 @@ ccw_device_verify_done(struct ccw_device *cdev, int err) sch = to_subchannel(cdev->dev.parent); /* Update schib - pom may have changed. */ - stsch(sch->schid, &sch->schib); + if (cio_update_schib(sch)) { + cdev->private->flags.donotify = 0; + ccw_device_done(cdev, DEV_STATE_NOT_OPER); + return; + } /* Update lpm with verified path mask. */ sch->lpm = sch->vpm; /* Repeat path verification? */ @@ -667,7 +672,7 @@ ccw_device_offline(struct ccw_device *cdev) return 0; } sch = to_subchannel(cdev->dev.parent); - if (stsch(sch->schid, &sch->schib) || !sch->schib.pmcw.dnv) + if (cio_update_schib(sch)) return -ENODEV; if (scsw_actl(&sch->schib.scsw) != 0) return -EBUSY; @@ -745,7 +750,10 @@ ccw_device_online_verify(struct ccw_device *cdev, enum dev_event dev_event) * Since we might not just be coming from an interrupt from the * subchannel we have to update the schib. */ - stsch(sch->schid, &sch->schib); + if (cio_update_schib(sch)) { + ccw_device_verify_done(cdev, -ENODEV); + return; + } if (scsw_actl(&sch->schib.scsw) != 0 || (scsw_stctl(&sch->schib.scsw) & SCSW_STCTL_STATUS_PEND) || @@ -1011,9 +1019,7 @@ void ccw_device_trigger_reprobe(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); /* Update some values. */ - if (stsch(sch->schid, &sch->schib)) - return; - if (!sch->schib.pmcw.dnv) + if (cio_update_schib(sch)) return; /* * The pim, pam, pom values may not be accurate, but they are the best |