diff options
Diffstat (limited to 'drivers/net/ethernet/dnet.c')
| -rw-r--r-- | drivers/net/ethernet/dnet.c | 67 |
1 files changed, 21 insertions, 46 deletions
diff --git a/drivers/net/ethernet/dnet.c b/drivers/net/ethernet/dnet.c index 5a847941c46b..0de3cd660ec8 100644 --- a/drivers/net/ethernet/dnet.c +++ b/drivers/net/ethernet/dnet.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Dave DNET Ethernet Controller driver * * Copyright (C) 2008 Dave S.r.l. <www.dave.eu> * Copyright (C) 2009 Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/io.h> #include <linux/module.h> @@ -63,11 +60,11 @@ static void __dnet_set_hwaddr(struct dnet *bp) { u16 tmp; - tmp = be16_to_cpup((__be16 *)bp->dev->dev_addr); + tmp = be16_to_cpup((const __be16 *)bp->dev->dev_addr); dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_0_REG, tmp); - tmp = be16_to_cpup((__be16 *)(bp->dev->dev_addr + 2)); + tmp = be16_to_cpup((const __be16 *)(bp->dev->dev_addr + 2)); dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_1_REG, tmp); - tmp = be16_to_cpup((__be16 *)(bp->dev->dev_addr + 4)); + tmp = be16_to_cpup((const __be16 *)(bp->dev->dev_addr + 4)); dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_2_REG, tmp); } @@ -96,7 +93,7 @@ static void dnet_get_hwaddr(struct dnet *bp) *((__be16 *)(addr + 4)) = cpu_to_be16(tmp); if (is_valid_ether_addr(addr)) - memcpy(bp->dev->dev_addr, addr, sizeof(addr)); + eth_hw_addr_set(bp->dev, addr); } static int dnet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) @@ -284,13 +281,11 @@ static int dnet_mii_probe(struct net_device *dev) /* mask with MAC supported features */ if (bp->capabilities & DNET_HAS_GIGABIT) - phydev->supported &= PHY_GBIT_FEATURES; + phy_set_max_speed(phydev, SPEED_1000); else - phydev->supported &= PHY_BASIC_FEATURES; - - phydev->supported |= SUPPORTED_Asym_Pause | SUPPORTED_Pause; + phy_set_max_speed(phydev, SPEED_100); - phydev->advertising = phydev->supported; + phy_support_asym_pause(phydev); bp->link = 0; bp->speed = 0; @@ -512,23 +507,20 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct dnet *bp = netdev_priv(dev); - u32 tx_status, irq_enable; - unsigned int len, i, tx_cmd, wrsz; + unsigned int i, tx_cmd, wrsz; unsigned long flags; unsigned int *bufp; + u32 irq_enable; - tx_status = dnet_readl(bp, TX_STATUS); + dnet_readl(bp, TX_STATUS); pr_debug("start_xmit: len %u head %p data %p\n", skb->len, skb->head, skb->data); dnet_print_skb(skb); - /* frame size (words) */ - len = (skb->len + 3) >> 2; - spin_lock_irqsave(&bp->lock, flags); - tx_status = dnet_readl(bp, TX_STATUS); + dnet_readl(bp, TX_STATUS); bufp = (unsigned int *)(((unsigned long) skb->data) & ~0x3UL); wrsz = (u32) skb->len + 3; @@ -550,7 +542,7 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev) if (dnet_readl(bp, TX_FIFO_WCNT) > DNET_FIFO_TX_DATA_AF_TH) { netif_stop_queue(dev); - tx_status = dnet_readl(bp, INTR_SRC); + dnet_readl(bp, INTR_SRC); irq_enable = dnet_readl(bp, INTR_ENB); irq_enable |= DNET_INTR_ENB_TX_FIFOAE; dnet_writel(bp, irq_enable, INTR_ENB); @@ -558,11 +550,11 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_tx_timestamp(skb); + spin_unlock_irqrestore(&bp->lock, flags); + /* free the buffer */ dev_kfree_skb(skb); - spin_unlock_irqrestore(&bp->lock, flags); - return NETDEV_TX_OK; } @@ -730,25 +722,11 @@ static struct net_device_stats *dnet_get_stats(struct net_device *dev) return nstat; } -static int dnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct phy_device *phydev = dev->phydev; - - if (!netif_running(dev)) - return -EINVAL; - - if (!phydev) - return -ENODEV; - - return phy_mii_ioctl(phydev, rq, cmd); -} - static void dnet_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, "0", sizeof(info->bus_info)); + strscpy(info->driver, DRV_NAME, sizeof(info->driver)); + strscpy(info->bus_info, "0", sizeof(info->bus_info)); } static const struct ethtool_ops dnet_ethtool_ops = { @@ -764,7 +742,7 @@ static const struct net_device_ops dnet_netdev_ops = { .ndo_stop = dnet_close, .ndo_get_stats = dnet_get_stats, .ndo_start_xmit = dnet_start_xmit, - .ndo_do_ioctl = dnet_ioctl, + .ndo_eth_ioctl = phy_do_ioctl_running, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; @@ -795,8 +773,7 @@ static int dnet_probe(struct platform_device *pdev) spin_lock_init(&bp->lock); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - bp->regs = devm_ioremap_resource(&pdev->dev, res); + bp->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(bp->regs)) { err = PTR_ERR(bp->regs); goto err_out_free_dev; @@ -811,7 +788,7 @@ static int dnet_probe(struct platform_device *pdev) } dev->netdev_ops = &dnet_netdev_ops; - netif_napi_add(dev, &bp->napi, dnet_poll, 64); + netif_napi_add(dev, &bp->napi, dnet_poll); dev->ethtool_ops = &dnet_ethtool_ops; dev->base_addr = (unsigned long)bp->regs; @@ -864,7 +841,7 @@ err_out_free_dev: return err; } -static int dnet_remove(struct platform_device *pdev) +static void dnet_remove(struct platform_device *pdev) { struct net_device *dev; @@ -882,8 +859,6 @@ static int dnet_remove(struct platform_device *pdev) free_irq(dev->irq, dev); free_netdev(dev); } - - return 0; } static struct platform_driver dnet_driver = { |