From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/net/caif/caif_virtio.c | 22 +++++++++++++---------
1 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/net/caif/caif_virtio.c b/kernel/drivers/net/caif/caif_virtio.c
index 2814e0d..a701932 100644
--- a/kernel/drivers/net/caif/caif_virtio.c
+++ b/kernel/drivers/net/caif/caif_virtio.c
@@ -1,9 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) ST-Ericsson AB 2013
* Authors: Vicram Arv
* Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
* Sjur Brendeland
- * License terms: GNU General Public License (GPL) version 2
*/
#include <linux/module.h>
#include <linux/if_arp.h>
@@ -519,7 +519,7 @@
}
/* Put the CAIF packet on the virtio ring and kick the receiver */
-static int cfv_netdev_tx(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t cfv_netdev_tx(struct sk_buff *skb, struct net_device *netdev)
{
struct cfv_info *cfv = netdev_priv(netdev);
struct buf_info *buf_info;
@@ -623,11 +623,7 @@
/* Create debugfs counters for the device */
static inline void debugfs_init(struct cfv_info *cfv)
{
- cfv->debugfs =
- debugfs_create_dir(netdev_name(cfv->ndev), NULL);
-
- if (IS_ERR(cfv->debugfs))
- return;
+ cfv->debugfs = debugfs_create_dir(netdev_name(cfv->ndev), NULL);
debugfs_create_u32("rx-napi-complete", 0400, cfv->debugfs,
&cfv->stats.rx_napi_complete);
@@ -656,7 +652,7 @@
const char *cfv_netdev_name = "cfvrt";
struct net_device *netdev;
struct cfv_info *cfv;
- int err = -EINVAL;
+ int err;
netdev = alloc_netdev(sizeof(struct cfv_info), cfv_netdev_name,
NET_NAME_UNKNOWN, cfv_netdev_setup);
@@ -727,13 +723,21 @@
/* 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;
--
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