Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Timur Tabi | 3023 | 94.68% | 15 | 39.47% |
Wang Hai | 44 | 1.38% | 1 | 2.63% |
Johan Hovold | 28 | 0.88% | 1 | 2.63% |
Zheng Wang | 27 | 0.85% | 1 | 2.63% |
Jarod Wilson | 19 | 0.60% | 1 | 2.63% |
Hemanth Puranik | 9 | 0.28% | 2 | 5.26% |
Javier Martinez Canillas | 7 | 0.22% | 1 | 2.63% |
Eric Dumazet | 7 | 0.22% | 2 | 5.26% |
Breno Leitão | 5 | 0.16% | 1 | 2.63% |
Michael S. Tsirkin | 4 | 0.13% | 1 | 2.63% |
Yue haibing | 4 | 0.13% | 1 | 2.63% |
Thomas Gleixner | 2 | 0.06% | 1 | 2.63% |
Dongsheng Wang | 2 | 0.06% | 1 | 2.63% |
Stephen Hemminger | 2 | 0.06% | 1 | 2.63% |
Uwe Kleine-König | 2 | 0.06% | 1 | 2.63% |
Jakub Kiciński | 2 | 0.06% | 1 | 2.63% |
wangyunjian | 1 | 0.03% | 1 | 2.63% |
Arnd Bergmann | 1 | 0.03% | 1 | 2.63% |
Florian Fainelli | 1 | 0.03% | 1 | 2.63% |
Jesse Brandeburg | 1 | 0.03% | 1 | 2.63% |
Heiner Kallweit | 1 | 0.03% | 1 | 2.63% |
Colin Ian King | 1 | 0.03% | 1 | 2.63% |
Total | 3193 | 38 |
// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. */ /* Qualcomm Technologies, Inc. EMAC Gigabit Ethernet Driver */ #include <linux/if_ether.h> #include <linux/if_vlan.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_net.h> #include <linux/phy.h> #include <linux/platform_device.h> #include <linux/acpi.h> #include "emac.h" #include "emac-mac.h" #include "emac-phy.h" #include "emac-sgmii.h" #define EMAC_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP) #define EMAC_RRD_SIZE 4 /* The RRD size if timestamping is enabled: */ #define EMAC_TS_RRD_SIZE 6 #define EMAC_TPD_SIZE 4 #define EMAC_RFD_SIZE 2 #define REG_MAC_RX_STATUS_BIN EMAC_RXMAC_STATC_REG0 #define REG_MAC_RX_STATUS_END EMAC_RXMAC_STATC_REG22 #define REG_MAC_TX_STATUS_BIN EMAC_TXMAC_STATC_REG0 #define REG_MAC_TX_STATUS_END EMAC_TXMAC_STATC_REG24 #define RXQ0_NUM_RFD_PREF_DEF 8 #define TXQ0_NUM_TPD_PREF_DEF 5 #define EMAC_PREAMBLE_DEF 7 #define DMAR_DLY_CNT_DEF 15 #define DMAW_DLY_CNT_DEF 4 #define IMR_NORMAL_MASK (ISR_ERROR | ISR_OVER | ISR_TX_PKT) #define ISR_TX_PKT (\ TX_PKT_INT |\ TX_PKT_INT1 |\ TX_PKT_INT2 |\ TX_PKT_INT3) #define ISR_OVER (\ RFD0_UR_INT |\ RFD1_UR_INT |\ RFD2_UR_INT |\ RFD3_UR_INT |\ RFD4_UR_INT |\ RXF_OF_INT |\ TXF_UR_INT) #define ISR_ERROR (\ DMAR_TO_INT |\ DMAW_TO_INT |\ TXQ_TO_INT) /* in sync with enum emac_clk_id */ static const char * const emac_clk_name[] = { "axi_clk", "cfg_ahb_clk", "high_speed_clk", "mdio_clk", "tx_clk", "rx_clk", "sys_clk" }; void emac_reg_update32(void __iomem *addr, u32 mask, u32 val) { u32 data = readl(addr); writel(((data & ~mask) | val), addr); } /* reinitialize */ int emac_reinit_locked(struct emac_adapter *adpt) { int ret; mutex_lock(&adpt->reset_lock); emac_mac_down(adpt); emac_sgmii_reset(adpt); ret = emac_mac_up(adpt); mutex_unlock(&adpt->reset_lock); return ret; } /* NAPI */ static int emac_napi_rtx(struct napi_struct *napi, int budget) { struct emac_rx_queue *rx_q = container_of(napi, struct emac_rx_queue, napi); struct emac_adapter *adpt = netdev_priv(rx_q->netdev); struct emac_irq *irq = rx_q->irq; int work_done = 0; emac_mac_rx_process(adpt, rx_q, &work_done, budget); if (work_done < budget) { napi_complete_done(napi, work_done); irq->mask |= rx_q->intr; writel(irq->mask, adpt->base + EMAC_INT_MASK); } return work_done; } /* Transmit the packet */ static netdev_tx_t emac_start_xmit(struct sk_buff *skb, struct net_device *netdev) { struct emac_adapter *adpt = netdev_priv(netdev); return emac_mac_tx_buf_send(adpt, &adpt->tx_q, skb); } static irqreturn_t emac_isr(int _irq, void *data) { struct emac_irq *irq = data; struct emac_adapter *adpt = container_of(irq, struct emac_adapter, irq); struct emac_rx_queue *rx_q = &adpt->rx_q; u32 isr, status; /* disable the interrupt */ writel(0, adpt->base + EMAC_INT_MASK); isr = readl_relaxed(adpt->base + EMAC_INT_STATUS); status = isr & irq->mask; if (status == 0) goto exit; if (status & ISR_ERROR) { net_err_ratelimited("%s: error interrupt 0x%lx\n", adpt->netdev->name, status & ISR_ERROR); /* reset MAC */ schedule_work(&adpt->work_thread); } /* Schedule the napi for receive queue with interrupt * status bit set */ if (status & rx_q->intr) { if (napi_schedule_prep(&rx_q->napi)) { irq->mask &= ~rx_q->intr; __napi_schedule(&rx_q->napi); } } if (status & TX_PKT_INT) emac_mac_tx_process(adpt, &adpt->tx_q); if (status & ISR_OVER) net_warn_ratelimited("%s: TX/RX overflow interrupt\n", adpt->netdev->name); exit: /* enable the interrupt */ writel(irq->mask, adpt->base + EMAC_INT_MASK); return IRQ_HANDLED; } /* Configure VLAN tag strip/insert feature */ static int emac_set_features(struct net_device *netdev, netdev_features_t features) { netdev_features_t changed = features ^ netdev->features; struct emac_adapter *adpt = netdev_priv(netdev); /* We only need to reprogram the hardware if the VLAN tag features * have changed, and if it's already running. */ if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX))) return 0; if (!netif_running(netdev)) return 0; /* emac_mac_mode_config() uses netdev->features to configure the EMAC, * so make sure it's set first. */ netdev->features = features; return emac_reinit_locked(adpt); } /* Configure Multicast and Promiscuous modes */ static void emac_rx_mode_set(struct net_device *netdev) { struct emac_adapter *adpt = netdev_priv(netdev); struct netdev_hw_addr *ha; emac_mac_mode_config(adpt); /* update multicast address filtering */ emac_mac_multicast_addr_clear(adpt); netdev_for_each_mc_addr(ha, netdev) emac_mac_multicast_addr_set(adpt, ha->addr); } /* Change the Maximum Transfer Unit (MTU) */ static int emac_change_mtu(struct net_device *netdev, int new_mtu) { struct emac_adapter *adpt = netdev_priv(netdev); netif_dbg(adpt, hw, adpt->netdev, "changing MTU from %d to %d\n", netdev->mtu, new_mtu); WRITE_ONCE(netdev->mtu, new_mtu); if (netif_running(netdev)) return emac_reinit_locked(adpt); return 0; } /* Called when the network interface is made active */ static int emac_open(struct net_device *netdev) { struct emac_adapter *adpt = netdev_priv(netdev); struct emac_irq *irq = &adpt->irq; int ret; ret = request_irq(irq->irq, emac_isr, 0, "emac-core0", irq); if (ret) { netdev_err(adpt->netdev, "could not request emac-core0 irq\n"); return ret; } /* allocate rx/tx dma buffer & descriptors */ ret = emac_mac_rx_tx_rings_alloc_all(adpt); if (ret) { netdev_err(adpt->netdev, "error allocating rx/tx rings\n"); free_irq(irq->irq, irq); return ret; } ret = emac_sgmii_open(adpt); if (ret) { emac_mac_rx_tx_rings_free_all(adpt); free_irq(irq->irq, irq); return ret; } ret = emac_mac_up(adpt); if (ret) { emac_mac_rx_tx_rings_free_all(adpt); free_irq(irq->irq, irq); emac_sgmii_close(adpt); return ret; } return 0; } /* Called when the network interface is disabled */ static int emac_close(struct net_device *netdev) { struct emac_adapter *adpt = netdev_priv(netdev); mutex_lock(&adpt->reset_lock); emac_sgmii_close(adpt); emac_mac_down(adpt); emac_mac_rx_tx_rings_free_all(adpt); free_irq(adpt->irq.irq, &adpt->irq); mutex_unlock(&adpt->reset_lock); return 0; } /* Respond to a TX hang */ static void emac_tx_timeout(struct net_device *netdev, unsigned int txqueue) { struct emac_adapter *adpt = netdev_priv(netdev); schedule_work(&adpt->work_thread); } /** * emac_update_hw_stats - read the EMAC stat registers * @adpt: pointer to adapter struct * * Reads the stats registers and write the values to adpt->stats. * * adpt->stats.lock must be held while calling this function, * and while reading from adpt->stats. */ void emac_update_hw_stats(struct emac_adapter *adpt) { struct emac_stats *stats = &adpt->stats; u64 *stats_itr = &adpt->stats.rx_ok; void __iomem *base = adpt->base; unsigned int addr; addr = REG_MAC_RX_STATUS_BIN; while (addr <= REG_MAC_RX_STATUS_END) { *stats_itr += readl_relaxed(base + addr); stats_itr++; addr += sizeof(u32); } /* additional rx status */ stats->rx_crc_align += readl_relaxed(base + EMAC_RXMAC_STATC_REG23); stats->rx_jabbers += readl_relaxed(base + EMAC_RXMAC_STATC_REG24); /* update tx status */ addr = REG_MAC_TX_STATUS_BIN; stats_itr = &stats->tx_ok; while (addr <= REG_MAC_TX_STATUS_END) { *stats_itr += readl_relaxed(base + addr); stats_itr++; addr += sizeof(u32); } /* additional tx status */ stats->tx_col += readl_relaxed(base + EMAC_TXMAC_STATC_REG25); } /* Provide network statistics info for the interface */ static void emac_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *net_stats) { struct emac_adapter *adpt = netdev_priv(netdev); struct emac_stats *stats = &adpt->stats; spin_lock(&stats->lock); emac_update_hw_stats(adpt); /* return parsed statistics */ net_stats->rx_packets = stats->rx_ok; net_stats->tx_packets = stats->tx_ok; net_stats->rx_bytes = stats->rx_byte_cnt; net_stats->tx_bytes = stats->tx_byte_cnt; net_stats->multicast = stats->rx_mcast; net_stats->collisions = stats->tx_1_col + stats->tx_2_col * 2 + stats->tx_late_col + stats->tx_abort_col; net_stats->rx_errors = stats->rx_frag + stats->rx_fcs_err + stats->rx_len_err + stats->rx_sz_ov + stats->rx_align_err; net_stats->rx_fifo_errors = stats->rx_rxf_ov; net_stats->rx_length_errors = stats->rx_len_err; net_stats->rx_crc_errors = stats->rx_fcs_err; net_stats->rx_frame_errors = stats->rx_align_err; net_stats->rx_over_errors = stats->rx_rxf_ov; net_stats->rx_missed_errors = stats->rx_rxf_ov; net_stats->tx_errors = stats->tx_late_col + stats->tx_abort_col + stats->tx_underrun + stats->tx_trunc; net_stats->tx_fifo_errors = stats->tx_underrun; net_stats->tx_aborted_errors = stats->tx_abort_col; net_stats->tx_window_errors = stats->tx_late_col; spin_unlock(&stats->lock); } static const struct net_device_ops emac_netdev_ops = { .ndo_open = emac_open, .ndo_stop = emac_close, .ndo_validate_addr = eth_validate_addr, .ndo_start_xmit = emac_start_xmit, .ndo_set_mac_address = eth_mac_addr, .ndo_change_mtu = emac_change_mtu, .ndo_eth_ioctl = phy_do_ioctl_running, .ndo_tx_timeout = emac_tx_timeout, .ndo_get_stats64 = emac_get_stats64, .ndo_set_features = emac_set_features, .ndo_set_rx_mode = emac_rx_mode_set, }; /* Watchdog task routine, called to reinitialize the EMAC */ static void emac_work_thread(struct work_struct *work) { struct emac_adapter *adpt = container_of(work, struct emac_adapter, work_thread); emac_reinit_locked(adpt); } /* Initialize various data structures */ static void emac_init_adapter(struct emac_adapter *adpt) { u32 reg; adpt->rrd_size = EMAC_RRD_SIZE; adpt->tpd_size = EMAC_TPD_SIZE; adpt->rfd_size = EMAC_RFD_SIZE; /* descriptors */ adpt->tx_desc_cnt = EMAC_DEF_TX_DESCS; adpt->rx_desc_cnt = EMAC_DEF_RX_DESCS; /* dma */ adpt->dma_order = emac_dma_ord_out; adpt->dmar_block = emac_dma_req_4096; adpt->dmaw_block = emac_dma_req_128; adpt->dmar_dly_cnt = DMAR_DLY_CNT_DEF; adpt->dmaw_dly_cnt = DMAW_DLY_CNT_DEF; adpt->tpd_burst = TXQ0_NUM_TPD_PREF_DEF; adpt->rfd_burst = RXQ0_NUM_RFD_PREF_DEF; /* irq moderator */ reg = ((EMAC_DEF_RX_IRQ_MOD >> 1) << IRQ_MODERATOR2_INIT_SHFT) | ((EMAC_DEF_TX_IRQ_MOD >> 1) << IRQ_MODERATOR_INIT_SHFT); adpt->irq_mod = reg; /* others */ adpt->preamble = EMAC_PREAMBLE_DEF; /* default to automatic flow control */ adpt->automatic = true; /* Disable single-pause-frame mode by default */ adpt->single_pause_mode = false; } /* Get the clock */ static int emac_clks_get(struct platform_device *pdev, struct emac_adapter *adpt) { unsigned int i; for (i = 0; i < EMAC_CLK_CNT; i++) { struct clk *clk = devm_clk_get(&pdev->dev, emac_clk_name[i]); if (IS_ERR(clk)) { dev_err(&pdev->dev, "could not claim clock %s (error=%li)\n", emac_clk_name[i], PTR_ERR(clk)); return PTR_ERR(clk); } adpt->clk[i] = clk; } return 0; } /* Initialize clocks */ static int emac_clks_phase1_init(struct platform_device *pdev, struct emac_adapter *adpt) { int ret; /* On ACPI platforms, clocks are controlled by firmware and/or * ACPI, not by drivers. */ if (has_acpi_companion(&pdev->dev)) return 0; ret = emac_clks_get(pdev, adpt); if (ret) return ret; ret = clk_prepare_enable(adpt->clk[EMAC_CLK_AXI]); if (ret) return ret; ret = clk_prepare_enable(adpt->clk[EMAC_CLK_CFG_AHB]); if (ret) goto disable_clk_axi; ret = clk_set_rate(adpt->clk[EMAC_CLK_HIGH_SPEED], 19200000); if (ret) goto disable_clk_cfg_ahb; ret = clk_prepare_enable(adpt->clk[EMAC_CLK_HIGH_SPEED]); if (ret) goto disable_clk_cfg_ahb; return 0; disable_clk_cfg_ahb: clk_disable_unprepare(adpt->clk[EMAC_CLK_CFG_AHB]); disable_clk_axi: clk_disable_unprepare(adpt->clk[EMAC_CLK_AXI]); return ret; } /* Enable clocks; needs emac_clks_phase1_init to be called before */ static int emac_clks_phase2_init(struct platform_device *pdev, struct emac_adapter *adpt) { int ret; if (has_acpi_companion(&pdev->dev)) return 0; ret = clk_set_rate(adpt->clk[EMAC_CLK_TX], 125000000); if (ret) return ret; ret = clk_prepare_enable(adpt->clk[EMAC_CLK_TX]); if (ret) return ret; ret = clk_set_rate(adpt->clk[EMAC_CLK_HIGH_SPEED], 125000000); if (ret) return ret; ret = clk_set_rate(adpt->clk[EMAC_CLK_MDIO], 25000000); if (ret) return ret; ret = clk_prepare_enable(adpt->clk[EMAC_CLK_MDIO]); if (ret) return ret; ret = clk_prepare_enable(adpt->clk[EMAC_CLK_RX]); if (ret) return ret; return clk_prepare_enable(adpt->clk[EMAC_CLK_SYS]); } static void emac_clks_teardown(struct emac_adapter *adpt) { unsigned int i; for (i = 0; i < EMAC_CLK_CNT; i++) clk_disable_unprepare(adpt->clk[i]); } /* Get the resources */ static int emac_probe_resources(struct platform_device *pdev, struct emac_adapter *adpt) { struct net_device *netdev = adpt->netdev; int ret = 0; /* get mac address */ if (device_get_ethdev_address(&pdev->dev, netdev)) eth_hw_addr_random(netdev); /* Core 0 interrupt */ ret = platform_get_irq(pdev, 0); if (ret < 0) return ret; adpt->irq.irq = ret; /* base register address */ adpt->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(adpt->base)) return PTR_ERR(adpt->base); /* CSR register address */ adpt->csr = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(adpt->csr)) return PTR_ERR(adpt->csr); netdev->base_addr = (unsigned long)adpt->base; return 0; } static const struct of_device_id emac_dt_match[] = { { .compatible = "qcom,fsm9900-emac", }, {} }; MODULE_DEVICE_TABLE(of, emac_dt_match); #if IS_ENABLED(CONFIG_ACPI) static const struct acpi_device_id emac_acpi_match[] = { { .id = "QCOM8070", }, {} }; MODULE_DEVICE_TABLE(acpi, emac_acpi_match); #endif static int emac_probe(struct platform_device *pdev) { struct net_device *netdev; struct emac_adapter *adpt; struct emac_sgmii *phy; u16 devid, revid; u32 reg; int ret; /* The TPD buffer address is limited to: * 1. PTP: 45bits. (Driver doesn't support yet.) * 2. NON-PTP: 46bits. */ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(46)); if (ret) { dev_err(&pdev->dev, "could not set DMA mask\n"); return ret; } netdev = alloc_etherdev(sizeof(struct emac_adapter)); if (!netdev) return -ENOMEM; dev_set_drvdata(&pdev->dev, netdev); SET_NETDEV_DEV(netdev, &pdev->dev); emac_set_ethtool_ops(netdev); adpt = netdev_priv(netdev); adpt->netdev = netdev; adpt->msg_enable = EMAC_MSG_DEFAULT; phy = &adpt->phy; atomic_set(&phy->decode_error_count, 0); mutex_init(&adpt->reset_lock); spin_lock_init(&adpt->stats.lock); adpt->irq.mask = RX_PKT_INT0 | IMR_NORMAL_MASK; ret = emac_probe_resources(pdev, adpt); if (ret) goto err_undo_netdev; /* initialize clocks */ ret = emac_clks_phase1_init(pdev, adpt); if (ret) { dev_err(&pdev->dev, "could not initialize clocks\n"); goto err_undo_netdev; } netdev->watchdog_timeo = EMAC_WATCHDOG_TIME; netdev->irq = adpt->irq.irq; netdev->netdev_ops = &emac_netdev_ops; emac_init_adapter(adpt); /* init external phy */ ret = emac_phy_config(pdev, adpt); if (ret) goto err_undo_clocks; /* init internal sgmii phy */ ret = emac_sgmii_config(pdev, adpt); if (ret) goto err_undo_mdiobus; /* enable clocks */ ret = emac_clks_phase2_init(pdev, adpt); if (ret) { dev_err(&pdev->dev, "could not initialize clocks\n"); goto err_undo_mdiobus; } /* set hw features */ netdev->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX; netdev->hw_features = netdev->features; netdev->vlan_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | NETIF_F_TSO6; /* MTU range: 46 - 9194 */ netdev->min_mtu = EMAC_MIN_ETH_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); netdev->max_mtu = EMAC_MAX_ETH_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); INIT_WORK(&adpt->work_thread, emac_work_thread); /* Initialize queues */ emac_mac_rx_tx_ring_init_all(pdev, adpt); netif_napi_add(netdev, &adpt->rx_q.napi, emac_napi_rtx); ret = register_netdev(netdev); if (ret) { dev_err(&pdev->dev, "could not register net device\n"); goto err_undo_napi; } reg = readl_relaxed(adpt->base + EMAC_DMA_MAS_CTRL); devid = (reg & DEV_ID_NUM_BMSK) >> DEV_ID_NUM_SHFT; revid = (reg & DEV_REV_NUM_BMSK) >> DEV_REV_NUM_SHFT; reg = readl_relaxed(adpt->base + EMAC_CORE_HW_VERSION); netif_info(adpt, probe, netdev, "hardware id %d.%d, hardware version %d.%d.%d\n", devid, revid, (reg & MAJOR_BMSK) >> MAJOR_SHFT, (reg & MINOR_BMSK) >> MINOR_SHFT, (reg & STEP_BMSK) >> STEP_SHFT); return 0; err_undo_napi: netif_napi_del(&adpt->rx_q.napi); err_undo_mdiobus: put_device(&adpt->phydev->mdio.dev); mdiobus_unregister(adpt->mii_bus); err_undo_clocks: emac_clks_teardown(adpt); err_undo_netdev: free_netdev(netdev); return ret; } static void emac_remove(struct platform_device *pdev) { struct net_device *netdev = dev_get_drvdata(&pdev->dev); struct emac_adapter *adpt = netdev_priv(netdev); netif_carrier_off(netdev); netif_tx_disable(netdev); unregister_netdev(netdev); netif_napi_del(&adpt->rx_q.napi); free_irq(adpt->irq.irq, &adpt->irq); cancel_work_sync(&adpt->work_thread); emac_clks_teardown(adpt); put_device(&adpt->phydev->mdio.dev); mdiobus_unregister(adpt->mii_bus); if (adpt->phy.digital) iounmap(adpt->phy.digital); iounmap(adpt->phy.base); free_netdev(netdev); } static void emac_shutdown(struct platform_device *pdev) { struct net_device *netdev = dev_get_drvdata(&pdev->dev); struct emac_adapter *adpt = netdev_priv(netdev); if (netdev->flags & IFF_UP) { /* Closing the SGMII turns off its interrupts */ emac_sgmii_close(adpt); /* Resetting the MAC turns off all DMA and its interrupts */ emac_mac_reset(adpt); } } static struct platform_driver emac_platform_driver = { .probe = emac_probe, .remove_new = emac_remove, .driver = { .name = "qcom-emac", .of_match_table = emac_dt_match, .acpi_match_table = ACPI_PTR(emac_acpi_match), }, .shutdown = emac_shutdown, }; module_platform_driver(emac_platform_driver); MODULE_DESCRIPTION("Qualcomm EMAC Gigabit Ethernet driver"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:qcom-emac");
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