[S390] cio: Add css_driver_{register,unregister}.

Add wrapper functions for driver_register and driver_unregister so
that css drivers don't need to muck with struct device_driver
directly.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 000c64129ed..7bccca9684e 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -125,10 +125,7 @@ static void io_subchannel_shutdown(struct subchannel *);
 
 static struct css_driver io_subchannel_driver = {
         .subchannel_type = SUBCHANNEL_TYPE_IO,
-        .drv = {
-                .name = "io_subchannel",
-                .bus  = &css_bus_type,
-        },
+        .name = "io_subchannel",
         .irq = io_subchannel_irq,
         .notify = io_subchannel_notify,
         .verify = io_subchannel_verify,
@@ -167,7 +164,8 @@ init_ccw_bus_type (void)
         if ((ret = bus_register (&ccw_bus_type)))
                 goto out_err;
 
-        if ((ret = driver_register(&io_subchannel_driver.drv)))
+        ret = css_driver_register(&io_subchannel_driver);
+        if (ret)
                 goto out_err;
 
         wait_event(ccw_device_init_wq,
@@ -187,7 +185,7 @@ out_err:
 static void __exit
 cleanup_ccw_bus_type (void)
 {
-        driver_unregister(&io_subchannel_driver.drv);
+        css_driver_unregister(&io_subchannel_driver);
         bus_unregister(&ccw_bus_type);
         destroy_workqueue(ccw_device_notify_work);
         destroy_workqueue(ccw_device_work);