diff options
Diffstat (limited to 'drivers/virtio/virtio.c')
| -rw-r--r-- | drivers/virtio/virtio.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 7084e7e146c0..5b78fd0aff0a 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -71,13 +71,6 @@ static int virtio_uevent(struct device *_dv, struct kobj_uevent_env *env) dev->id.device, dev->id.vendor); } -static struct bus_type virtio_bus = { - .name = "virtio", - .match = virtio_dev_match, - .dev_attrs = virtio_dev_attrs, - .uevent = virtio_uevent, -}; - static void add_status(struct virtio_device *dev, unsigned status) { dev->config->set_status(dev, dev->config->get_status(dev) | status); @@ -120,12 +113,16 @@ static int virtio_dev_probe(struct device *_d) set_bit(f, dev->features); } + /* Transport features always preserved to pass to finalize_features. */ + for (i = VIRTIO_TRANSPORT_F_START; i < VIRTIO_TRANSPORT_F_END; i++) + if (device_features & (1 << i)) + set_bit(i, dev->features); + err = drv->probe(dev); if (err) add_status(dev, VIRTIO_CONFIG_S_FAILED); else { - /* They should never have set feature bits beyond 32 */ - dev->config->set_features(dev, dev->features[0]); + dev->config->finalize_features(dev); add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK); } return err; @@ -147,13 +144,20 @@ static int virtio_dev_remove(struct device *_d) return 0; } +static struct bus_type virtio_bus = { + .name = "virtio", + .match = virtio_dev_match, + .dev_attrs = virtio_dev_attrs, + .uevent = virtio_uevent, + .probe = virtio_dev_probe, + .remove = virtio_dev_remove, +}; + int register_virtio_driver(struct virtio_driver *driver) { /* Catch this early. */ BUG_ON(driver->feature_table_size && !driver->feature_table); driver->driver.bus = &virtio_bus; - driver->driver.probe = virtio_dev_probe; - driver->driver.remove = virtio_dev_remove; return driver_register(&driver->driver); } EXPORT_SYMBOL_GPL(register_virtio_driver); |