diff options
Diffstat (limited to 'drivers/s390/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 91c25706fa83..b4df5a56cfe2 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -376,8 +376,8 @@ static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow) /* Unusable - ignore. */ return 0; } - CIO_MSG_EVENT(4, "Evaluating schid 0.%x.%04x, event %d, unknown, " - "slow path.\n", schid.ssid, schid.sch_no, CIO_OPER); + CIO_MSG_EVENT(4, "event: sch 0.%x.%04x, new\n", schid.ssid, + schid.sch_no); return css_probe_device(schid); } @@ -394,6 +394,10 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow) "Got subchannel machine check but " "no sch_event handler provided.\n"); } + if (ret != 0 && ret != -EAGAIN) { + CIO_MSG_EVENT(2, "eval: sch 0.%x.%04x, rc=%d\n", + sch->schid.ssid, sch->schid.sch_no, ret); + } return ret; } @@ -684,6 +688,7 @@ static int __init setup_css(int nr) css->pseudo_subchannel->dev.parent = &css->device; css->pseudo_subchannel->dev.release = css_subchannel_release; dev_set_name(&css->pseudo_subchannel->dev, "defunct"); + mutex_init(&css->pseudo_subchannel->reg_mutex); ret = cio_create_sch_lock(css->pseudo_subchannel); if (ret) { kfree(css->pseudo_subchannel); |