diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index d4f35d8902a..dbcd40b987d 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -384,6 +384,23 @@ void device_initialize(struct device *dev) device_init_wakeup(dev, 0); } +static int virtual_device_parent(struct device *dev) +{ + if (!dev->class) + return -ENODEV; + + if (!dev->class->virtual_dir) { + static struct kobject *virtual_dir = NULL; + + if (!virtual_dir) + virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual"); + dev->class->virtual_dir = kobject_add_dir(virtual_dir, dev->class->name); + } + + dev->kobj.parent = dev->class->virtual_dir; + return 0; +} + /** * device_add - add device to device hierarchy. * @dev: device. |