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Commit 32aff573 authored by Michael Ernst's avatar Michael Ernst Committed by Martin Schwidefsky
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[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: default avatarMichael Ernst <mernst@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 8f40f672

drivers/s390/cio/device_pgid.c

+3 −9
Original line number Diff line number Diff line
@@ -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);