diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2006-10-04 20:02:02 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-10-04 20:02:02 +0200 |
| commit | f1ee3281bedbbca70a1f53bc715ea6f27c616052 (patch) | |
| tree | f5615111db312f3a429a66aa62119803d781078a /drivers | |
| parent | b05e37035298148b6c311eccf06ac50fd389f0b2 (diff) | |
| download | linux-f1ee3281bedbbca70a1f53bc715ea6f27c616052.tar.gz | |
[S390] Add timeouts during sense PGID, path verification and disband PGID.
While the machine owns us an interrupt in these cases (and we should get
one), reality isn't always like that...
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/cio/device_fsm.c | 2 | ||||
| -rw-r--r-- | drivers/s390/cio/device_ops.c | 3 | ||||
| -rw-r--r-- | drivers/s390/cio/device_pgid.c | 8 |
3 files changed, 13 insertions, 0 deletions
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index dace46fc32e8d7..b67620208f36e2 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -349,6 +349,8 @@ ccw_device_done(struct ccw_device *cdev, int state) sch = to_subchannel(cdev->dev.parent); + ccw_device_set_timeout(cdev, 0); + if (state != DEV_STATE_ONLINE) cio_disable_subchannel(sch); diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index 93a897eebfff76..e7eeaf1c1826be 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -216,6 +216,9 @@ ccw_device_call_handler(struct ccw_device *cdev) (stctl & SCSW_STCTL_PRIM_STATUS))) return 0; + /* Clear pending timers for device driver initiated I/O. */ + if (ending_status) + ccw_device_set_timeout(cdev, 0); /* * Now we are ready to call the device driver interrupt handler. */ diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index 8ca2d078848c90..84917b39de458c 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -96,6 +96,9 @@ ccw_device_sense_pgid_start(struct ccw_device *cdev) { int ret; + /* Set a timeout of 60s */ + ccw_device_set_timeout(cdev, 60*HZ); + cdev->private->state = DEV_STATE_SENSE_PGID; cdev->private->imask = 0x80; cdev->private->iretry = 5; @@ -480,6 +483,8 @@ ccw_device_verify_start(struct ccw_device *cdev) ccw_device_verify_done(cdev, -ENODEV); return; } + /* After 60s path verification is considered to have failed. */ + ccw_device_set_timeout(cdev, 60*HZ); __ccw_device_verify_start(cdev); } @@ -554,6 +559,9 @@ ccw_device_disband_irq(struct ccw_device *cdev, enum dev_event dev_event) void ccw_device_disband_start(struct ccw_device *cdev) { + /* After 60s disbanding is considered to have failed. */ + ccw_device_set_timeout(cdev, 60*HZ); + cdev->private->flags.pgid_single = 0; cdev->private->iretry = 5; cdev->private->imask = 0x80; |