From eb32ae8d0e052d1a287f99f93130ea2ad9af317e Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Thu, 26 Mar 2009 15:24:05 +0100 Subject: [S390] cio: Use unbind/bind instead of unregister/register. The common I/O layer may encounter a situation where the device number of a ccw device has changed or a device driver doesn't want to keep a formerly disconnected device becoming operational again. Instead of using device_del()/ device_add() as now, we can just unbind the driver from the device and rebind it to get the desired effect (rebinding) with less overhead. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/device_fsm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/s390/cio/device_fsm.c') diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 8df5eaafc5a..95f2f352cb9 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -194,7 +194,7 @@ ccw_device_handle_oper(struct ccw_device *cdev) cdev->id.dev_type != cdev->private->senseid.dev_type || cdev->id.dev_model != cdev->private->senseid.dev_model) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_do_unreg_rereg); + ccw_device_do_unbind_bind); queue_work(ccw_device_work, &cdev->private->kick_work); return 0; } @@ -366,7 +366,7 @@ static void ccw_device_oper_notify(struct ccw_device *cdev) } /* Driver doesn't want device back. */ ccw_device_set_notoper(cdev); - PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unreg_rereg); + PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unbind_bind); queue_work(ccw_device_work, &cdev->private->kick_work); } -- cgit v1.2.3