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(parent: 74bd0d8) | patch
s390/cio: use device_lock to synchronize calls to the ccw driver
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Mon, 16 Dec 2013 09:54:13 +0000 (10:54 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 16 Dec 2013 13:38:02 +0000 (14:38 +0100)
commit00381eeb47ef6b3b70d2a17c89a8205b6f1aa00a
treea801b13badc66a26abae11f4ee48823e62f076e0tree | snapshot (tar.gz zip)
parent74bd0d859dc3536b01c892abfa9f87620e4bca2fcommit | diff
s390/cio: use device_lock to synchronize calls to the ccw driver

When calling set_{on,off}line of a ccw device driver we hold the
module reference of the owner. This is pretty useless - we don't
want to prevent module unloading but driver unbinding. Use the
driver core's device_lock instead.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/device.c diff | blob | blame | history