217 	struct drm_minor *minor;  in drm_minor_alloc()  local
221 	minor = kzalloc(sizeof(*minor), GFP_KERNEL);  in drm_minor_alloc()
222 	if (!minor)  in drm_minor_alloc()
225 	minor->type = type;  in drm_minor_alloc()
226 	minor->dev = dev;  in drm_minor_alloc()
241 	minor->index = r;  in drm_minor_alloc()
243 	minor->kdev = drm_sysfs_minor_alloc(minor);  in drm_minor_alloc()
244 	if (IS_ERR(minor->kdev)) {  in drm_minor_alloc()
245 		r = PTR_ERR(minor->kdev);  in drm_minor_alloc()
249 	*drm_minor_get_slot(dev, type) = minor;  in drm_minor_alloc()
254 	idr_remove(&drm_minors_idr, minor->index);  in drm_minor_alloc()
257 	kfree(minor);  in drm_minor_alloc()
263 	struct drm_minor **slot, *minor;  in drm_minor_free()  local
267 	minor = *slot;  in drm_minor_free()
268 	if (!minor)  in drm_minor_free()
272 	put_device(minor->kdev);  in drm_minor_free()
276 	idr_remove(&drm_minors_idr, minor->index);  in drm_minor_free()
279 	kfree(minor);  in drm_minor_free()
285 	struct drm_minor *minor;  in drm_minor_register()  local
291 	minor = *drm_minor_get_slot(dev, type);  in drm_minor_register()
292 	if (!minor)  in drm_minor_register()
296 	ret = drm_debugfs_init(minor, minor->index, drm_debugfs_root);  in drm_minor_register()
302 	ret = device_add(minor->kdev);  in drm_minor_register()
309 	idr_replace(&drm_minors_idr, minor, minor->index);  in drm_minor_register()
312 	DRM_DEBUG("new minor registered %d\n", minor->index);  in drm_minor_register()
317 	drm_debugfs_cleanup(minor);  in drm_minor_register()
324 	struct drm_minor *minor;  in drm_minor_unregister()  local
327 	minor = *drm_minor_get_slot(dev, type);  in drm_minor_unregister()
329 	if (!minor || !device_is_registered(minor->kdev))  in drm_minor_unregister()
331 	if (!minor)  in drm_minor_unregister()
337 	idr_replace(&drm_minors_idr, NULL, minor->index);  in drm_minor_unregister()
341 	device_del(minor->kdev);  in drm_minor_unregister()
343 	dev_set_drvdata(minor->kdev, NULL); /* safety belt */  in drm_minor_unregister()
344 	drm_debugfs_cleanup(minor);  in drm_minor_unregister()
358 	struct drm_minor *minor;  in drm_minor_acquire()  local
362 	minor = idr_find(&drm_minors_idr, minor_id);  in drm_minor_acquire()
363 	if (minor)  in drm_minor_acquire()
364 		drm_dev_get(minor->dev);  in drm_minor_acquire()
367 	if (!minor) {  in drm_minor_acquire()
369 	} else if (drm_dev_is_unplugged(minor->dev)) {  in drm_minor_acquire()
370 		drm_dev_put(minor->dev);  in drm_minor_acquire()
374 	return minor;  in drm_minor_acquire()
377 void drm_minor_release(struct drm_minor *minor)  in drm_minor_release()  argument
379 	drm_dev_put(minor->dev);  in drm_minor_release()
822 	struct drm_minor *minor;  in create_compat_control_link()  local
829 	minor = *drm_minor_get_slot(dev, DRM_MINOR_PRIMARY);  in create_compat_control_link()
830 	if (!minor)  in create_compat_control_link()
842 	name = kasprintf(GFP_KERNEL, "controlD%d", minor->index + 64);  in create_compat_control_link()
847 	ret = sysfs_create_link(minor->kdev->kobj.parent,  in create_compat_control_link()
848 				&minor->kdev->kobj,  in create_compat_control_link()
861 	struct drm_minor *minor;  in remove_compat_control_link()  local
867 	minor = *drm_minor_get_slot(dev, DRM_MINOR_PRIMARY);  in remove_compat_control_link()
868 	if (!minor)  in remove_compat_control_link()
871 	name = kasprintf(GFP_KERNEL, "controlD%d", minor->index);  in remove_compat_control_link()
876 	sysfs_remove_link(minor->kdev->kobj.parent, name);  in remove_compat_control_link()
939 		 driver->name, driver->major, driver->minor,  in drm_dev_register()
1045 	struct drm_minor *minor;
1051 	minor = drm_minor_acquire(iminor(inode));
1052 	if (IS_ERR(minor)) {
1053 		err = PTR_ERR(minor);
1057 	new_fops = fops_get(minor->dev->driver->fops);
1070 	drm_minor_release(minor);