[S390] cio: Add shutdown callback for ccwgroup.
This intendeds to make proper shutdown of qeth devices easier.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 3964056..03914fa 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -391,12 +391,24 @@
return 0;
}
+static void ccwgroup_shutdown(struct device *dev)
+{
+ struct ccwgroup_device *gdev;
+ struct ccwgroup_driver *gdrv;
+
+ gdev = to_ccwgroupdev(dev);
+ gdrv = to_ccwgroupdrv(dev->driver);
+ if (gdrv && gdrv->shutdown)
+ gdrv->shutdown(gdev);
+}
+
static struct bus_type ccwgroup_bus_type = {
.name = "ccwgroup",
.match = ccwgroup_bus_match,
.uevent = ccwgroup_uevent,
.probe = ccwgroup_probe,
.remove = ccwgroup_remove,
+ .shutdown = ccwgroup_shutdown,
};
/**
diff --git a/include/asm-s390/ccwgroup.h b/include/asm-s390/ccwgroup.h
index 7109c7c..289053e 100644
--- a/include/asm-s390/ccwgroup.h
+++ b/include/asm-s390/ccwgroup.h
@@ -37,6 +37,7 @@
* @remove: function called on remove
* @set_online: function called when device is set online
* @set_offline: function called when device is set offline
+ * @shutdown: function called when device is shut down
* @driver: embedded driver structure
*/
struct ccwgroup_driver {
@@ -49,6 +50,7 @@
void (*remove) (struct ccwgroup_device *);
int (*set_online) (struct ccwgroup_device *);
int (*set_offline) (struct ccwgroup_device *);
+ void (*shutdown)(struct ccwgroup_device *);
struct device_driver driver;
};