From: Michael Ernst <mernst@de.ibm.com>
Date: Mon, 9 Aug 2010 16:12:51 +0000 (+0200)
Subject: [S390] cio: Log the response from the unit check handler
X-Git-Tag: firefly_0821_release~9833^2~1031^2~9
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=dbedd0ee47313f2a3c94b19346785fcdfa721390;p=firefly-linux-kernel-4.4.55.git

[S390] cio: Log the response from the unit check handler

Log the response from the unit check handler which triggers further
cio internal i/o processing.

Signed-off-by: Michael Ernst <mernst@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c
index 7f206ed44fdf..fd0368785ee0 100644
--- a/drivers/s390/cio/ccwreq.c
+++ b/drivers/s390/cio/ccwreq.c
@@ -182,6 +182,8 @@ static enum io_status ccwreq_status(struct ccw_device *cdev, struct irb *lcirb)
 		/* Ask the driver what to do */
 		if (cdev->drv && cdev->drv->uc_handler) {
 			todo = cdev->drv->uc_handler(cdev, lcirb);
+			CIO_TRACE_EVENT(2, "uc_response");
+			CIO_HEX_EVENT(2, &todo, sizeof(todo));
 			switch (todo) {
 			case UC_TODO_RETRY:
 				return IO_STATUS_ERROR;