diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/qca_uart.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/qca_uart.c | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/drivers/net/ethernet/qualcomm/qca_uart.c b/drivers/net/ethernet/qualcomm/qca_uart.c index db6068cd7a1f..37efb1ea9fcd 100644 --- a/drivers/net/ethernet/qualcomm/qca_uart.c +++ b/drivers/net/ethernet/qualcomm/qca_uart.c @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause /* * Copyright (c) 2011, 2012, Qualcomm Atheros Communications Inc. * Copyright (c) 2017, I2SE GmbH - * - * Permission to use, copy, modify, and/or distribute this software - * for any purpose with or without fee is hereby granted, provided - * that the above copyright notice and this permission notice appear - * in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL - * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL - * THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* This module implements the Qualcomm Atheros UART protocol for @@ -32,7 +19,6 @@ #include <linux/module.h> #include <linux/netdevice.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/of_net.h> #include <linux/sched.h> #include <linux/serdev.h> @@ -59,9 +45,8 @@ struct qcauart { unsigned char *tx_buffer; }; -static int -qca_tty_receive(struct serdev_device *serdev, const unsigned char *data, - size_t count) +static size_t +qca_tty_receive(struct serdev_device *serdev, const u8 *data, size_t count) { struct qcauart *qca = serdev_device_get_drvdata(serdev); struct net_device *netdev = qca->net_dev; @@ -107,8 +92,8 @@ qca_tty_receive(struct serdev_device *serdev, const unsigned char *data, skb_put(qca->rx_skb, retcode); qca->rx_skb->protocol = eth_type_trans( qca->rx_skb, qca->rx_skb->dev); - qca->rx_skb->ip_summed = CHECKSUM_UNNECESSARY; - netif_rx_ni(qca->rx_skb); + skb_checksum_none_assert(qca->rx_skb); + netif_rx(qca->rx_skb); qca->rx_skb = netdev_alloc_skb_ip_align(netdev, netdev->mtu + VLAN_ETH_HLEN); @@ -167,7 +152,7 @@ static void qca_tty_wakeup(struct serdev_device *serdev) schedule_work(&qca->tx_work); } -static struct serdev_device_ops qca_serdev_ops = { +static const struct serdev_device_ops qca_serdev_ops = { .receive_buf = qca_tty_receive, .write_wakeup = qca_tty_wakeup, }; @@ -248,7 +233,7 @@ out: return NETDEV_TX_OK; } -static void qcauart_netdev_tx_timeout(struct net_device *dev) +static void qcauart_netdev_tx_timeout(struct net_device *dev, unsigned int txqueue) { struct qcauart *qca = netdev_priv(dev); @@ -285,8 +270,7 @@ static void qcauart_netdev_uninit(struct net_device *dev) { struct qcauart *qca = netdev_priv(dev); - if (qca->rx_skb) - dev_kfree_skb(qca->rx_skb); + dev_kfree_skb(qca->rx_skb); } static const struct net_device_ops qcauart_netdev_ops = { @@ -324,7 +308,6 @@ static int qca_uart_probe(struct serdev_device *serdev) { struct net_device *qcauart_dev = alloc_etherdev(sizeof(struct qcauart)); struct qcauart *qca; - const char *mac; u32 speed = 115200; int ret; @@ -349,12 +332,8 @@ static int qca_uart_probe(struct serdev_device *serdev) of_property_read_u32(serdev->dev.of_node, "current-speed", &speed); - mac = of_get_mac_address(serdev->dev.of_node); - - if (mac) - ether_addr_copy(qca->net_dev->dev_addr, mac); - - if (!is_valid_ether_addr(qca->net_dev->dev_addr)) { + ret = of_get_ethdev_address(serdev->dev.of_node, qca->net_dev); + if (ret) { eth_hw_addr_random(qca->net_dev); dev_info(&serdev->dev, "Using random MAC address: %pM\n", qca->net_dev->dev_addr); @@ -410,7 +389,7 @@ static struct serdev_device_driver qca_uart_driver = { .remove = qca_uart_remove, .driver = { .name = QCAUART_DRV_NAME, - .of_match_table = of_match_ptr(qca_uart_of_match), + .of_match_table = qca_uart_of_match, }, }; @@ -418,6 +397,6 @@ module_serdev_device_driver(qca_uart_driver); MODULE_DESCRIPTION("Qualcomm Atheros QCA7000 UART Driver"); MODULE_AUTHOR("Qualcomm Atheros Communications"); -MODULE_AUTHOR("Stefan Wahren <stefan.wahren@i2se.com>"); +MODULE_AUTHOR("Stefan Wahren <wahrenst@gmx.net>"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(QCAUART_DRV_VERSION); |