diff options
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/bus.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 5aee1c0169e..e98d36d9710 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -141,6 +141,29 @@ void bus_remove_file(struct bus_type *bus, struct bus_attribute *attr) } EXPORT_SYMBOL_GPL(bus_remove_file); +int bus_create_device_link(struct bus_type *bus, struct kobject *target, + const char *name) +{ + int error; + if (bus_get(bus)) { + error = sysfs_create_link(&bus->p->devices_kset->kobj, target, + name); + bus_put(bus); + } else + error = -EINVAL; + return error; +} +EXPORT_SYMBOL_GPL(bus_create_device_link); + +void bus_remove_device_link(struct bus_type *bus, const char *name) +{ + if (bus_get(bus)) { + sysfs_remove_link(&bus->p->devices_kset->kobj, name); + bus_put(bus); + } +} +EXPORT_SYMBOL_GPL(bus_remove_device_link); + static struct kobj_type bus_ktype = { .sysfs_ops = &bus_sysfs_ops, }; |