2008-02-05 15:44:48

by Martin Schwidefsky

[permalink] [raw]
Subject: [patch 04/18] cio: Add shutdown callback for ccwgroup.

From: Cornelia Huck <[email protected]>

This intendeds to make proper shutdown of qeth devices easier.

Signed-off-by: Cornelia Huck <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
---

drivers/s390/cio/ccwgroup.c | 12 ++++++++++++
include/asm-s390/ccwgroup.h | 2 ++
2 files changed, 14 insertions(+)

Index: quilt-2.6/drivers/s390/cio/ccwgroup.c
===================================================================
--- quilt-2.6.orig/drivers/s390/cio/ccwgroup.c
+++ quilt-2.6/drivers/s390/cio/ccwgroup.c
@@ -391,12 +391,24 @@ ccwgroup_remove (struct device *dev)
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,
};

/**
Index: quilt-2.6/include/asm-s390/ccwgroup.h
===================================================================
--- quilt-2.6.orig/include/asm-s390/ccwgroup.h
+++ quilt-2.6/include/asm-s390/ccwgroup.h
@@ -37,6 +37,7 @@ struct ccwgroup_device {
* @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 @@ struct ccwgroup_driver {
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;
};

--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.