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-rw-r--r--drivers/s390/cio/device.c1
-rw-r--r--drivers/s390/cio/device_fsm.c9
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 881bdfd99140..2ff8a22d4257 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1205,6 +1205,7 @@ static void io_subchannel_quiesce(struct subchannel *sch)
cdev->handler(cdev, cdev->private->intparm, ERR_PTR(-EIO));
while (ret == -EBUSY) {
cdev->private->state = DEV_STATE_QUIESCE;
+ cdev->private->iretry = 255;
ret = ccw_device_cancel_halt_clear(cdev);
if (ret == -EBUSY) {
ccw_device_set_timeout(cdev, HZ/10);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 4395c01a9dac..a845695ac314 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -174,7 +174,10 @@ ccw_device_cancel_halt_clear(struct ccw_device *cdev)
ret = cio_clear (sch);
return (ret == 0) ? -EBUSY : ret;
}
- panic("Can't stop i/o on subchannel.\n");
+ /* Function was unsuccessful */
+ CIO_MSG_EVENT(0, "0.%x.%04x: could not stop I/O\n",
+ cdev->private->dev_id.ssid, cdev->private->dev_id.devno);
+ return -EIO;
}
void ccw_device_update_sense_data(struct ccw_device *cdev)
@@ -766,13 +769,14 @@ ccw_device_online_timeout(struct ccw_device *cdev, enum dev_event dev_event)
int ret;
ccw_device_set_timeout(cdev, 0);
+ cdev->private->iretry = 255;
ret = ccw_device_cancel_halt_clear(cdev);
if (ret == -EBUSY) {
ccw_device_set_timeout(cdev, 3*HZ);
cdev->private->state = DEV_STATE_TIMEOUT_KILL;
return;
}
- if (ret == -ENODEV)
+ if (ret)
dev_fsm_event(cdev, DEV_EVENT_NOTOPER);
else if (cdev->handler)
cdev->handler(cdev, cdev->private->intparm,
@@ -869,6 +873,7 @@ void ccw_device_kill_io(struct ccw_device *cdev)
{
int ret;
+ cdev->private->iretry = 255;
ret = ccw_device_cancel_halt_clear(cdev);
if (ret == -EBUSY) {
ccw_device_set_timeout(cdev, 3*HZ);