summaryrefslogtreecommitdiffstats
path: root/drivers/s390/cio/ccwgroup.c
diff options
context:
space:
mode:
authorCornelia Huck <cohuck@de.ibm.com>2005-06-25 14:55:27 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:24:36 -0700
commitb0744bd2925a4a24865963322534107d2ad553f9 (patch)
tree7e09f76872685d29dd03a0955ee948c4f00f4f8b /drivers/s390/cio/ccwgroup.c
parent84dd8d7e9c080b4db66b00b8bc36ccf09a90f824 (diff)
downloadop-kernel-dev-b0744bd2925a4a24865963322534107d2ad553f9.zip
op-kernel-dev-b0744bd2925a4a24865963322534107d2ad553f9.tar.gz
[PATCH] s/390: Use klist in cio
Convert the common I/O layer to use the klist interfaces. This patch has been adapted from the previous version to the changed interface semantics. Also, gcc 4.0 compile warnings have been removed. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Cc: Greg KH <greg@kroah.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/s390/cio/ccwgroup.c')
-rw-r--r--drivers/s390/cio/ccwgroup.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 306525ac..91ea8e4 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -403,34 +403,22 @@ ccwgroup_driver_register (struct ccwgroup_driver *cdriver)
return driver_register(&cdriver->driver);
}
-static inline struct device *
-__get_next_ccwgroup_device(struct device_driver *drv)
+static int
+__ccwgroup_driver_unregister_device(struct device *dev, void *data)
{
- struct device *dev, *d;
-
- down_read(&drv->bus->subsys.rwsem);
- dev = NULL;
- list_for_each_entry(d, &drv->devices, driver_list) {
- dev = get_device(d);
- if (dev)
- break;
- }
- up_read(&drv->bus->subsys.rwsem);
- return dev;
+ __ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
+ device_unregister(dev);
+ put_device(dev);
+ return 0;
}
void
ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver)
{
- struct device *dev;
-
/* We don't want ccwgroup devices to live longer than their driver. */
get_driver(&cdriver->driver);
- while ((dev = __get_next_ccwgroup_device(&cdriver->driver))) {
- __ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
- device_unregister(dev);
- put_device(dev);
- };
+ driver_for_each_device(&cdriver->driver, NULL, NULL,
+ __ccwgroup_driver_unregister_device);
put_driver(&cdriver->driver);
driver_unregister(&cdriver->driver);
}
@@ -449,7 +437,7 @@ __ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev)
if (cdev->dev.driver_data) {
gdev = (struct ccwgroup_device *)cdev->dev.driver_data;
if (get_device(&gdev->dev)) {
- if (!list_empty(&gdev->dev.node))
+ if (klist_node_attached(&gdev->dev.knode_bus))
return gdev;
put_device(&gdev->dev);
}
OpenPOWER on IntegriCloud