diff options
Diffstat (limited to 'drivers/gpu/host1x/bus.c')
| -rw-r--r-- | drivers/gpu/host1x/bus.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c index a048e3ac523d..f9cde03030fd 100644 --- a/drivers/gpu/host1x/bus.c +++ b/drivers/gpu/host1x/bus.c @@ -41,13 +41,15 @@ struct host1x_subdev { /** * host1x_subdev_add() - add a new subdevice with an associated device node * @device: host1x device to add the subdevice to - * @driver: host1x driver * @np: device node */ static int host1x_subdev_add(struct host1x_device *device, + struct host1x_driver *driver, struct device_node *np) { struct host1x_subdev *subdev; + struct device_node *child; + int err; subdev = kzalloc(sizeof(*subdev), GFP_KERNEL); if (!subdev) @@ -60,6 +62,19 @@ static int host1x_subdev_add(struct host1x_device *device, list_add_tail(&subdev->list, &device->subdevs); mutex_unlock(&device->subdevs_lock); + /* recursively add children */ + for_each_child_of_node(np, child) { + if (of_match_node(driver->subdevs, child) && + of_device_is_available(child)) { + err = host1x_subdev_add(device, driver, child); + if (err < 0) { + /* XXX cleanup? */ + of_node_put(child); + return err; + } + } + } + return 0; } @@ -88,7 +103,7 @@ static int host1x_device_parse_dt(struct host1x_device *device, for_each_child_of_node(device->dev.parent->of_node, np) { if (of_match_node(driver->subdevs, np) && of_device_is_available(np)) { - err = host1x_subdev_add(device, np); + err = host1x_subdev_add(device, driver, np); if (err < 0) { of_node_put(np); return err; |