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path: root/drivers/net/caif/caif_virtio.c
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Diffstat (limited to 'drivers/net/caif/caif_virtio.c')
-rw-r--r--drivers/net/caif/caif_virtio.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c
index 91230894692d..c60386bf2d1a 100644
--- a/drivers/net/caif/caif_virtio.c
+++ b/drivers/net/caif/caif_virtio.c
@@ -646,9 +646,7 @@ static inline void debugfs_init(struct cfv_info *cfv)
/* Setup CAIF for the a virtio device */
static int cfv_probe(struct virtio_device *vdev)
{
- vq_callback_t *vq_cbs = cfv_release_cb;
vrh_callback_t *vrh_cbs = cfv_recv;
- const char *names = "output";
const char *cfv_netdev_name = "cfvrt";
struct net_device *netdev;
struct cfv_info *cfv;
@@ -675,9 +673,11 @@ static int cfv_probe(struct virtio_device *vdev)
goto err;
/* Get the TX virtio ring. This is a "guest side vring". */
- err = virtio_find_vqs(vdev, 1, &cfv->vq_tx, &vq_cbs, &names, NULL);
- if (err)
+ cfv->vq_tx = virtio_find_single_vq(vdev, cfv_release_cb, "output");
+ if (IS_ERR(cfv->vq_tx)) {
+ err = PTR_ERR(cfv->vq_tx);
goto err;
+ }
/* Get the CAIF configuration from virtio config space, if available */
if (vdev->config->get) {
@@ -714,20 +714,29 @@ static int cfv_probe(struct virtio_device *vdev)
/* Initialize NAPI poll context data */
vringh_kiov_init(&cfv->ctx.riov, NULL, 0);
cfv->ctx.head = USHRT_MAX;
- netif_napi_add(netdev, &cfv->napi, cfv_rx_poll, CFV_DEFAULT_QUOTA);
+ netif_napi_add_weight(netdev, &cfv->napi, cfv_rx_poll,
+ CFV_DEFAULT_QUOTA);
tasklet_setup(&cfv->tx_release_tasklet, cfv_tx_release_tasklet);
/* Carrier is off until netdevice is opened */
netif_carrier_off(netdev);
+ /* serialize netdev register + virtio_device_ready() with ndo_open() */
+ rtnl_lock();
+
/* register Netdev */
- err = register_netdev(netdev);
+ err = register_netdevice(netdev);
if (err) {
+ rtnl_unlock();
dev_err(&vdev->dev, "Unable to register netdev (%d)\n", err);
goto err;
}
+ virtio_device_ready(vdev);
+
+ rtnl_unlock();
+
debugfs_init(cfv);
return 0;
@@ -736,7 +745,7 @@ err:
if (cfv->vr_rx)
vdev->vringh_config->del_vrhs(cfv->vdev);
- if (cfv->vdev)
+ if (cfv->vq_tx)
vdev->config->del_vqs(cfv->vdev);
free_netdev(netdev);
return err;
@@ -754,7 +763,7 @@ static void cfv_remove(struct virtio_device *vdev)
debugfs_remove_recursive(cfv->debugfs);
vringh_kiov_cleanup(&cfv->ctx.riov);
- vdev->config->reset(vdev);
+ virtio_reset_device(vdev);
vdev->vringh_config->del_vrhs(cfv->vdev);
cfv->vr_rx = NULL;
vdev->config->del_vqs(cfv->vdev);
@@ -773,7 +782,6 @@ static struct virtio_driver caif_virtio_driver = {
.feature_table = features,
.feature_table_size = ARRAY_SIZE(features),
.driver.name = KBUILD_MODNAME,
- .driver.owner = THIS_MODULE,
.id_table = id_table,
.probe = cfv_probe,
.remove = cfv_remove,