diff options
| author | Carsten Otte <cotte@de.ibm.com> | 2006-01-06 00:19:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:33:49 -0800 |
| commit | cfb1b55595a0dfd87b5849e8d0216c029f34445f (patch) | |
| tree | 86d73bda5e9c82e70a4bdbacfac6be5644c8a987 /drivers/s390/cio/css.c | |
| parent | 6810a2bce3aa6573faa9920487274f166fe95c6e (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/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 41 |
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); |