X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fs390%2Fcio%2Fdevice_id.c;h=f17275917fe55a6598e1120b316e8e7695d76c45;hb=11c302c14d8ddc47504bd3b650bc9e8da7c717b7;hp=1398367b5f68ef14f3591f9daf53e582475557b9;hpb=a12f66fccf2e266ad197df142b5ebafc6a169a8c;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c
index 1398367b5f6..f17275917fe 100644
--- a/drivers/s390/cio/device_id.c
+++ b/drivers/s390/cio/device_id.c
@@ -191,6 +191,8 @@ __ccw_device_sense_id_start(struct ccw_device *cdev)
 		if ((sch->opm & cdev->private->imask) != 0 &&
 		    cdev->private->iretry > 0) {
 			cdev->private->iretry--;
+			/* Reset internal retry indication. */
+			cdev->private->flags.intretry = 0;
 			ret = cio_start (sch, cdev->private->iccws,
 					 cdev->private->imask);
 			/* ret is 0, -EBUSY, -EACCES or -ENODEV */
@@ -237,8 +239,14 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
 		return 0; /* Success */
 	}
 	/* Check the error cases. */
-	if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC))
+	if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) {
+		/* Retry Sense ID if requested. */
+		if (cdev->private->flags.intretry) {
+			cdev->private->flags.intretry = 0;
+			return -EAGAIN;
+		}
 		return -ETIME;
+	}
 	if (irb->esw.esw0.erw.cons && (irb->ecw[0] & SNS0_CMD_REJECT)) {
 		/*
 		 * if the device doesn't support the SenseID
@@ -251,7 +259,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
 		 */
 		CIO_MSG_EVENT(2, "SenseID : device %04x on Subchannel "
 			      "0.%x.%04x reports cmd reject\n",
-			      cdev->private->devno, sch->schid.ssid,
+			      cdev->private->dev_id.devno, sch->schid.ssid,
 			      sch->schid.sch_no);
 		return -EOPNOTSUPP;
 	}
@@ -259,7 +267,8 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
 		CIO_MSG_EVENT(2, "SenseID : UC on dev 0.%x.%04x, "
 			      "lpum %02X, cnt %02d, sns :"
 			      " %02X%02X%02X%02X %02X%02X%02X%02X ...\n",
-			      cdev->private->ssid, cdev->private->devno,
+			      cdev->private->dev_id.ssid,
+			      cdev->private->dev_id.devno,
 			      irb->esw.esw0.sublog.lpum,
 			      irb->esw.esw0.erw.scnt,
 			      irb->ecw[0], irb->ecw[1],
@@ -274,14 +283,15 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
 			CIO_MSG_EVENT(2, "SenseID : path %02X for device %04x "
 				      "on subchannel 0.%x.%04x is "
 				      "'not operational'\n", sch->orb.lpm,
-				      cdev->private->devno, sch->schid.ssid,
-				      sch->schid.sch_no);
+				      cdev->private->dev_id.devno,
+				      sch->schid.ssid, sch->schid.sch_no);
 		return -EACCES;
 	}
 	/* Hmm, whatever happened, try again. */
 	CIO_MSG_EVENT(2, "SenseID : start_IO() for device %04x on "
 		      "subchannel 0.%x.%04x returns status %02X%02X\n",
-		      cdev->private->devno, sch->schid.ssid, sch->schid.sch_no,
+		      cdev->private->dev_id.devno, sch->schid.ssid,
+		      sch->schid.sch_no,
 		      irb->scsw.dstat, irb->scsw.cstat);
 	return -EAGAIN;
 }
@@ -330,7 +340,7 @@ ccw_device_sense_id_irq(struct ccw_device *cdev, enum dev_event dev_event)
 		/* fall through. */
 	default:		/* Sense ID failed. Try asking VM. */
 		if (MACHINE_IS_VM) {
-			VM_virtual_device_info (cdev->private->devno,
+			VM_virtual_device_info (cdev->private->dev_id.devno,
 						&cdev->private->senseid);
 			if (cdev->private->senseid.cu_type != 0xFFFF) {
 				/* Got the device information from VM. */