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path: root/drivers/s390/block/dasd.c
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Diffstat (limited to 'drivers/s390/block/dasd.c')
-rw-r--r--drivers/s390/block/dasd.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index ceeb3cf64a1..3e39508bd92 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1952,26 +1952,24 @@ dasd_generic_notify(struct ccw_device *cdev, int event)
* Automatically online either all dasd devices (dasd_autodetect) or
* all devices specified with dasd= parameters.
*/
+static int
+__dasd_auto_online(struct device *dev, void *data)
+{
+ struct ccw_device *cdev;
+
+ cdev = to_ccwdev(dev);
+ if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0)
+ ccw_device_set_online(cdev);
+ return 0;
+}
+
void
dasd_generic_auto_online (struct ccw_driver *dasd_discipline_driver)
{
struct device_driver *drv;
- struct device *d, *dev;
- struct ccw_device *cdev;
drv = get_driver(&dasd_discipline_driver->driver);
- down_read(&drv->bus->subsys.rwsem);
- dev = NULL;
- list_for_each_entry(d, &drv->devices, driver_list) {
- dev = get_device(d);
- if (!dev)
- continue;
- cdev = to_ccwdev(dev);
- if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0)
- ccw_device_set_online(cdev);
- put_device(dev);
- }
- up_read(&drv->bus->subsys.rwsem);
+ driver_for_each_device(drv, NULL, NULL, __dasd_auto_online);
put_driver(drv);
}