diff options
| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2009-09-22 22:58:35 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-09-22 22:58:41 +0200 |
| commit | 8ea7f5590142c0b9ab319aa3cae85cf430a207d8 (patch) | |
| tree | a23b12fbfe51077cc8df6694f4ab7225462b657d /drivers/s390/cio/css.c | |
| parent | 255305536c1b56ad09590f1400fb2c788265e34e (diff) | |
| download | linux-8ea7f5590142c0b9ab319aa3cae85cf430a207d8.tar.bz2 | |
[S390] cio: introduce css_settle
Introduce the css_driver callback settle which can be implemented
by a subchannel driver to wait for the subchannel type specific
asynchronous work to finish.
In channel_subsystem_init_sync we call that for each subchannel
driver.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 59c4b94cdb4b..f018835afdf4 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -1013,6 +1013,15 @@ static int __init channel_subsystem_init(void) } subsys_initcall(channel_subsystem_init); +static int css_settle(struct device_driver *drv, void *unused) +{ + struct css_driver *cssdrv = to_cssdriver(drv); + + if (cssdrv->settle) + cssdrv->settle(); + return 0; +} + /* * Wait for the initialization of devices to finish, to make sure we are * done with our setup if the search for the root device starts. @@ -1024,12 +1033,8 @@ static int __init channel_subsystem_init_sync(void) /* Wait for the evaluation of subchannels to finish. */ wait_event(css_eval_wq, atomic_read(&css_eval_scheduled) == 0); - /* Wait for the initialization of ccw devices to finish. */ - wait_event(ccw_device_init_wq, - atomic_read(&ccw_device_init_count) == 0); - flush_workqueue(ccw_device_work); - - return 0; + /* Wait for the subchannel type specific initialization to finish */ + return bus_for_each_drv(&css_bus_type, NULL, NULL, css_settle); } subsys_initcall_sync(channel_subsystem_init_sync); |