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authorCarsten Otte <cotte@de.ibm.com>2006-01-06 00:19:14 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:33:49 -0800
commitcfb1b55595a0dfd87b5849e8d0216c029f34445f (patch)
tree86d73bda5e9c82e70a4bdbacfac6be5644c8a987 /drivers/s390/cio
parent6810a2bce3aa6573faa9920487274f166fe95c6e (diff)
[PATCH] s390: move s390_root_dev_* out of the cio layer
Extract the s390_root_dev_* functions from the common I/O layer as they are also used by non-ccw device drivers. Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: 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')
-rw-r--r--drivers/s390/cio/css.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 555119cacc2..7e4d57b4266 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -481,45 +481,6 @@ struct bus_type css_bus_type = {
subsys_initcall(init_channel_subsystem);
-/*
- * Register root devices for some drivers. The release function must not be
- * in the device drivers, so we do it here.
- */
-static void
-s390_root_dev_release(struct device *dev)
-{
- kfree(dev);
-}
-
-struct device *
-s390_root_dev_register(const char *name)
-{
- struct device *dev;
- int ret;
-
- if (!strlen(name))
- return ERR_PTR(-EINVAL);
- dev = kmalloc(sizeof(struct device), GFP_KERNEL);
- if (!dev)
- return ERR_PTR(-ENOMEM);
- memset(dev, 0, sizeof(struct device));
- strncpy(dev->bus_id, name, min(strlen(name), (size_t)BUS_ID_SIZE));
- dev->release = s390_root_dev_release;
- ret = device_register(dev);
- if (ret) {
- kfree(dev);
- return ERR_PTR(ret);
- }
- return dev;
-}
-
-void
-s390_root_dev_unregister(struct device *dev)
-{
- if (dev)
- device_unregister(dev);
-}
-
int
css_enqueue_subchannel_slow(unsigned long schid)
{
@@ -564,6 +525,4 @@ css_slow_subchannels_exist(void)
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(css_bus_type);
-EXPORT_SYMBOL(s390_root_dev_register);
-EXPORT_SYMBOL(s390_root_dev_unregister);
EXPORT_SYMBOL_GPL(css_characteristics_avail);