diff options
Diffstat (limited to 'drivers/net/ethernet/microchip/encx24j600.c')
| -rw-r--r-- | drivers/net/ethernet/microchip/encx24j600.c | 72 |
1 files changed, 27 insertions, 45 deletions
diff --git a/drivers/net/ethernet/microchip/encx24j600.c b/drivers/net/ethernet/microchip/encx24j600.c index f831238d9793..b011bf5c2305 100644 --- a/drivers/net/ethernet/microchip/encx24j600.c +++ b/drivers/net/ethernet/microchip/encx24j600.c @@ -1,14 +1,9 @@ -/** +// SPDX-License-Identifier: GPL-2.0-or-later +/* * Microchip ENCX24J600 ethernet driver * * Copyright (C) 2015 Gridpoint * Author: Jon Ringle <jringle@gridpoint.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/device.h> @@ -227,7 +222,6 @@ static int encx24j600_wait_for_autoneg(struct encx24j600_priv *priv) unsigned long timeout = jiffies + msecs_to_jiffies(2000); u16 phstat1; u16 estat; - int ret = 0; phstat1 = encx24j600_read_phy(priv, PHSTAT1); while ((phstat1 & ANDONE) == 0) { @@ -263,7 +257,7 @@ static int encx24j600_wait_for_autoneg(struct encx24j600_priv *priv) encx24j600_write_reg(priv, MACLCON, 0x370f); } - return ret; + return 0; } /* Access the PHY to determine link status */ @@ -575,7 +569,7 @@ static void encx24j600_dump_config(struct encx24j600_priv *priv, pr_info(DRV_NAME " MABBIPG: %04X\n", encx24j600_read_reg(priv, MABBIPG)); - /* PHY configuation */ + /* PHY configuration */ pr_info(DRV_NAME " PHCON1: %04X\n", encx24j600_read_phy(priv, PHCON1)); pr_info(DRV_NAME " PHCON2: %04X\n", encx24j600_read_phy(priv, PHCON2)); pr_info(DRV_NAME " PHANA: %04X\n", encx24j600_read_phy(priv, PHANA)); @@ -609,9 +603,8 @@ static void encx24j600_set_rxfilter_mode(struct encx24j600_priv *priv) } } -static int encx24j600_hw_init(struct encx24j600_priv *priv) +static void encx24j600_hw_init(struct encx24j600_priv *priv) { - int ret = 0; u16 macon2; priv->hw_enabled = false; @@ -654,8 +647,6 @@ static int encx24j600_hw_init(struct encx24j600_priv *priv) if (netif_msg_hw(priv)) encx24j600_dump_config(priv, "Hw is initialized"); - - return ret; } static void encx24j600_hw_enable(struct encx24j600_priv *priv) @@ -770,7 +761,7 @@ static int encx24j600_set_mac_address(struct net_device *dev, void *addr) if (!is_valid_ether_addr(address->sa_data)) return -EADDRNOTAVAIL; - memcpy(dev->dev_addr, address->sa_data, dev->addr_len); + eth_hw_addr_set(dev, address->sa_data); return encx24j600_set_hw_macaddr(dev); } @@ -846,7 +837,9 @@ static void encx24j600_hw_tx(struct encx24j600_priv *priv) dump_packet("TX", priv->tx_skb->len, priv->tx_skb->data); if (encx24j600_read_reg(priv, EIR) & TXABTIF) - /* Last transmition aborted due to error. Reset TX interface */ + /* Last transmission aborted due to error. + * Reset TX interface + */ encx24j600_reset_hw_tx(priv); /* Clear the TXIF flag if were previously set */ @@ -897,7 +890,7 @@ static netdev_tx_t encx24j600_tx(struct sk_buff *skb, struct net_device *dev) } /* Deal with a transmit timeout */ -static void encx24j600_tx_timeout(struct net_device *dev) +static void encx24j600_tx_timeout(struct net_device *dev, unsigned int txqueue) { struct encx24j600_priv *priv = netdev_priv(dev); @@ -934,9 +927,9 @@ static void encx24j600_get_regs(struct net_device *dev, static void encx24j600_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, dev_name(dev->dev.parent), + strscpy(info->driver, DRV_NAME, sizeof(info->driver)); + strscpy(info->version, DRV_VERSION, sizeof(info->version)); + strscpy(info->bus_info, dev_name(dev->dev.parent), sizeof(info->bus_info)); } @@ -1010,6 +1003,7 @@ static int encx24j600_spi_probe(struct spi_device *spi) struct net_device *ndev; struct encx24j600_priv *priv; u16 eidled; + u8 addr[ETH_ALEN]; ndev = alloc_etherdev(sizeof(struct encx24j600_priv)); @@ -1032,10 +1026,13 @@ static int encx24j600_spi_probe(struct spi_device *spi) priv->speed = SPEED_100; priv->ctx.spi = spi; - devm_regmap_init_encx24j600(&spi->dev, &priv->ctx); ndev->irq = spi->irq; ndev->netdev_ops = &encx24j600_netdev_ops; + ret = devm_regmap_init_encx24j600(&spi->dev, &priv->ctx); + if (ret) + goto out_free; + mutex_init(&priv->lock); /* Reset device and check if it is connected */ @@ -1047,12 +1044,7 @@ static int encx24j600_spi_probe(struct spi_device *spi) } /* Initialize the device HW to the consistent state */ - if (encx24j600_hw_init(priv)) { - netif_err(priv, probe, ndev, - DRV_NAME ": HW initialization error\n"); - ret = -EIO; - goto out_free; - } + encx24j600_hw_init(priv); kthread_init_worker(&priv->kworker); kthread_init_work(&priv->tx_work, encx24j600_tx_proc); @@ -1067,7 +1059,8 @@ static int encx24j600_spi_probe(struct spi_device *spi) } /* Get the MAC address from the chip */ - encx24j600_hw_get_macaddr(priv, ndev->dev_addr); + encx24j600_hw_get_macaddr(priv, addr); + eth_hw_addr_set(ndev, addr); ndev->ethtool_ops = &encx24j600_ethtool_ops; @@ -1075,7 +1068,7 @@ static int encx24j600_spi_probe(struct spi_device *spi) if (unlikely(ret)) { netif_err(priv, probe, ndev, "Error %d initializing card encx24j600 card\n", ret); - goto out_free; + goto out_stop; } eidled = encx24j600_read_reg(priv, EIDLED); @@ -1093,6 +1086,8 @@ static int encx24j600_spi_probe(struct spi_device *spi) out_unregister: unregister_netdev(priv->ndev); +out_stop: + kthread_stop(priv->kworker_task); out_free: free_netdev(ndev); @@ -1100,15 +1095,14 @@ error_out: return ret; } -static int encx24j600_spi_remove(struct spi_device *spi) +static void encx24j600_spi_remove(struct spi_device *spi) { struct encx24j600_priv *priv = dev_get_drvdata(&spi->dev); unregister_netdev(priv->ndev); + kthread_stop(priv->kworker_task); free_netdev(priv->ndev); - - return 0; } static const struct spi_device_id encx24j600_spi_id_table[] = { @@ -1120,7 +1114,6 @@ MODULE_DEVICE_TABLE(spi, encx24j600_spi_id_table); static struct spi_driver encx24j600_spi_net_driver = { .driver = { .name = DRV_NAME, - .owner = THIS_MODULE, .bus = &spi_bus_type, }, .probe = encx24j600_spi_probe, @@ -1128,19 +1121,8 @@ static struct spi_driver encx24j600_spi_net_driver = { .id_table = encx24j600_spi_id_table, }; -static int __init encx24j600_init(void) -{ - return spi_register_driver(&encx24j600_spi_net_driver); -} -module_init(encx24j600_init); - -static void encx24j600_exit(void) -{ - spi_unregister_driver(&encx24j600_spi_net_driver); -} -module_exit(encx24j600_exit); +module_spi_driver(encx24j600_spi_net_driver); MODULE_DESCRIPTION(DRV_NAME " ethernet driver"); MODULE_AUTHOR("Jon Ringle <jringle@gridpoint.com>"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("spi:" DRV_NAME); |