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s390/cio: stop using subchannel_id from ccw_device_private 

We want to get rid of the copy of struct subchannel_id maintained in
ccw_device_private, so obtain it from the subchannel directly.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2016-07-28 20:26:37 +02:00 committed by Martin Schwidefsky
parent 6e127efeea
commit 7de6a63ca2
1 changed files with 4 additions and 3 deletions
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7
drivers/s390/cio/device_status.c
View File

@ -26,6 +26,7 @@
static void
ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
{
struct subchannel *sch = to_subchannel(cdev->dev.parent);
char dbf_text[15];
if (!scsw_is_valid_cstat(&irb->scsw) ||
@ -36,10 +37,10 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
"received"
" ... device %04x on subchannel 0.%x.%04x, dev_stat "
": %02X sch_stat : %02X\n",
cdev->private->dev_id.devno, cdev->private->schid.ssid,
cdev->private->schid.sch_no,
cdev->private->dev_id.devno, sch->schid.ssid,
sch->schid.sch_no,
scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw));
sprintf(dbf_text, "chk%x", cdev->private->schid.sch_no);
sprintf(dbf_text, "chk%x", sch->schid.sch_no);
CIO_TRACE_EVENT(0, dbf_text);
CIO_HEX_EVENT(0, irb, sizeof(struct irb));
}