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Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/bus.c23
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,
};