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authorMichael Ernst <mernst@de.ibm.com>2008-05-15 16:52:29 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-05-15 16:52:37 +0200
commit32aff5732a11739e81994b3bcd7a9d0e8b1ea06e (patch)
tree62f39dbfbbe618e00099d950b2d418ea6a316db6 /drivers
parent8f40f672e6bb071812f61bfbd30efc3fc1263ad1 (diff)
downloadop-kernel-dev-32aff5732a11739e81994b3bcd7a9d0e8b1ea06e.zip
op-kernel-dev-32aff5732a11739e81994b3bcd7a9d0e8b1ea06e.tar.gz
[S390] cio: Remove CCW_CMD_SUSPEND_RECONN in front of CCW_CMD_SET_PGID.
CCW_CMD_SUSPEND_RECONN causes a system hang if the cable of a reserved DASD is disconnected and connected again. Signed-off-by: Michael Ernst <mernst@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/cio/device_pgid.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index ba55905..5cf7be0 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -243,16 +243,10 @@ __ccw_device_do_pgid(struct ccw_device *cdev, __u8 func)
/* Setup sense path group id channel program. */
cdev->private->pgid[0].inf.fc = func;
ccw = cdev->private->iccws;
- if (!cdev->private->flags.pgid_single) {
- cdev->private->pgid[0].inf.fc |= SPID_FUNC_MULTI_PATH;
- ccw->cmd_code = CCW_CMD_SUSPEND_RECONN;
- ccw->cda = 0;
- ccw->count = 0;
- ccw->flags = CCW_FLAG_SLI | CCW_FLAG_CC;
- ccw++;
- } else
+ if (cdev->private->flags.pgid_single)
cdev->private->pgid[0].inf.fc |= SPID_FUNC_SINGLE_PATH;
-
+ else
+ cdev->private->pgid[0].inf.fc |= SPID_FUNC_MULTI_PATH;
ccw->cmd_code = CCW_CMD_SET_PGID;
ccw->cda = (__u32) __pa (&cdev->private->pgid[0]);
ccw->count = sizeof (struct pgid);
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