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a99db196db
linux/drivers/net/ks8842.c
Richard Röjfors a99db196db ks8842: Replace usage of dev_dbg with netdev_dbg 
This patch replaces all usage of dev_dbg with netdev_dbg.

A side effect is that the pointer to the platform device in the adapter
struct can be removed.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-05 18:50:56 -07:00

756 lines
19 KiB
C
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/*
* ks8842.c timberdale KS8842 ethernet driver
* Copyright (c) 2009 Intel Corporation
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Supports:
* The Micrel KS8842 behind the timberdale FPGA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/ks8842.h>
#define DRV_NAME "ks8842"
/* Timberdale specific Registers */
#define REG_TIMB_RST 0x1c
/* KS8842 registers */
#define REG_SELECT_BANK 0x0e
/* bank 0 registers */
#define REG_QRFCR 0x04
/* bank 2 registers */
#define REG_MARL 0x00
#define REG_MARM 0x02
#define REG_MARH 0x04
/* bank 3 registers */
#define REG_GRR 0x06
/* bank 16 registers */
#define REG_TXCR 0x00
#define REG_TXSR 0x02
#define REG_RXCR 0x04
#define REG_TXMIR 0x08
#define REG_RXMIR 0x0A
/* bank 17 registers */
#define REG_TXQCR 0x00
#define REG_RXQCR 0x02
#define REG_TXFDPR 0x04
#define REG_RXFDPR 0x06
#define REG_QMU_DATA_LO 0x08
#define REG_QMU_DATA_HI 0x0A
/* bank 18 registers */
#define REG_IER 0x00
#define IRQ_LINK_CHANGE 0x8000
#define IRQ_TX 0x4000
#define IRQ_RX 0x2000
#define IRQ_RX_OVERRUN 0x0800
#define IRQ_TX_STOPPED 0x0200
#define IRQ_RX_STOPPED 0x0100
#define IRQ_RX_ERROR 0x0080
#define ENABLED_IRQS (IRQ_LINK_CHANGE | IRQ_TX | IRQ_RX | IRQ_RX_STOPPED | \
IRQ_TX_STOPPED | IRQ_RX_OVERRUN | IRQ_RX_ERROR)
#define REG_ISR 0x02
#define REG_RXSR 0x04
#define RXSR_VALID 0x8000
#define RXSR_BROADCAST 0x80
#define RXSR_MULTICAST 0x40
#define RXSR_UNICAST 0x20
#define RXSR_FRAMETYPE 0x08
#define RXSR_TOO_LONG 0x04
#define RXSR_RUNT 0x02
#define RXSR_CRC_ERROR 0x01
#define RXSR_ERROR (RXSR_TOO_LONG | RXSR_RUNT | RXSR_CRC_ERROR)
/* bank 32 registers */
#define REG_SW_ID_AND_ENABLE 0x00
#define REG_SGCR1 0x02
#define REG_SGCR2 0x04
#define REG_SGCR3 0x06
/* bank 39 registers */
#define REG_MACAR1 0x00
#define REG_MACAR2 0x02
#define REG_MACAR3 0x04
/* bank 45 registers */
#define REG_P1MBCR 0x00
#define REG_P1MBSR 0x02
/* bank 46 registers */
#define REG_P2MBCR 0x00
#define REG_P2MBSR 0x02
/* bank 48 registers */
#define REG_P1CR2 0x02
/* bank 49 registers */
#define REG_P1CR4 0x02
#define REG_P1SR 0x04
struct ks8842_adapter {
void __iomem *hw_addr;
int irq;
struct tasklet_struct tasklet;
spinlock_t lock; /* spinlock to be interrupt safe */
};
static inline void ks8842_select_bank(struct ks8842_adapter *adapter, u16 bank)
{
iowrite16(bank, adapter->hw_addr + REG_SELECT_BANK);
}
static inline void ks8842_write8(struct ks8842_adapter *adapter, u16 bank,
u8 value, int offset)
{
ks8842_select_bank(adapter, bank);
iowrite8(value, adapter->hw_addr + offset);
}
static inline void ks8842_write16(struct ks8842_adapter *adapter, u16 bank,
u16 value, int offset)
{
ks8842_select_bank(adapter, bank);
iowrite16(value, adapter->hw_addr + offset);
}
static inline void ks8842_enable_bits(struct ks8842_adapter *adapter, u16 bank,
u16 bits, int offset)
{
u16 reg;
ks8842_select_bank(adapter, bank);
reg = ioread16(adapter->hw_addr + offset);
reg |= bits;
iowrite16(reg, adapter->hw_addr + offset);
}
static inline void ks8842_clear_bits(struct ks8842_adapter *adapter, u16 bank,
u16 bits, int offset)
{
u16 reg;
ks8842_select_bank(adapter, bank);
reg = ioread16(adapter->hw_addr + offset);
reg &= ~bits;
iowrite16(reg, adapter->hw_addr + offset);
}
static inline void ks8842_write32(struct ks8842_adapter *adapter, u16 bank,
u32 value, int offset)
{
ks8842_select_bank(adapter, bank);
iowrite32(value, adapter->hw_addr + offset);
}
static inline u8 ks8842_read8(struct ks8842_adapter *adapter, u16 bank,
int offset)
{
ks8842_select_bank(adapter, bank);
return ioread8(adapter->hw_addr + offset);
}
static inline u16 ks8842_read16(struct ks8842_adapter *adapter, u16 bank,
int offset)
{
ks8842_select_bank(adapter, bank);
return ioread16(adapter->hw_addr + offset);
}
static inline u32 ks8842_read32(struct ks8842_adapter *adapter, u16 bank,
int offset)
{
ks8842_select_bank(adapter, bank);
return ioread32(adapter->hw_addr + offset);
}
static void ks8842_reset(struct ks8842_adapter *adapter)
{
/* The KS8842 goes haywire when doing softare reset
* a work around in the timberdale IP is implemented to
* do a hardware reset instead
ks8842_write16(adapter, 3, 1, REG_GRR);
msleep(10);
iowrite16(0, adapter->hw_addr + REG_GRR);
*/
iowrite16(32, adapter->hw_addr + REG_SELECT_BANK);
iowrite32(0x1, adapter->hw_addr + REG_TIMB_RST);
msleep(20);
}
static void ks8842_update_link_status(struct net_device *netdev,
struct ks8842_adapter *adapter)
{
/* check the status of the link */
if (ks8842_read16(adapter, 45, REG_P1MBSR) & 0x4) {
netif_carrier_on(netdev);
netif_wake_queue(netdev);
} else {
netif_stop_queue(netdev);
netif_carrier_off(netdev);
}
}
static void ks8842_enable_tx(struct ks8842_adapter *adapter)
{
ks8842_enable_bits(adapter, 16, 0x01, REG_TXCR);
}
static void ks8842_disable_tx(struct ks8842_adapter *adapter)
{
ks8842_clear_bits(adapter, 16, 0x01, REG_TXCR);
}
static void ks8842_enable_rx(struct ks8842_adapter *adapter)
{
ks8842_enable_bits(adapter, 16, 0x01, REG_RXCR);
}
static void ks8842_disable_rx(struct ks8842_adapter *adapter)
{
ks8842_clear_bits(adapter, 16, 0x01, REG_RXCR);
}
static void ks8842_reset_hw(struct ks8842_adapter *adapter)
{
/* reset the HW */
ks8842_reset(adapter);
/* Enable QMU Transmit flow control / transmit padding / Transmit CRC */
ks8842_write16(adapter, 16, 0x000E, REG_TXCR);
/* enable the receiver, uni + multi + broadcast + flow ctrl
+ crc strip */
ks8842_write16(adapter, 16, 0x8 | 0x20 | 0x40 | 0x80 | 0x400,
REG_RXCR);
/* TX frame pointer autoincrement */
ks8842_write16(adapter, 17, 0x4000, REG_TXFDPR);
/* RX frame pointer autoincrement */
ks8842_write16(adapter, 17, 0x4000, REG_RXFDPR);
/* RX 2 kb high watermark */
ks8842_write16(adapter, 0, 0x1000, REG_QRFCR);
/* aggresive back off in half duplex */
ks8842_enable_bits(adapter, 32, 1 << 8, REG_SGCR1);
/* enable no excessive collison drop */
ks8842_enable_bits(adapter, 32, 1 << 3, REG_SGCR2);
/* Enable port 1 force flow control / back pressure / transmit / recv */
ks8842_write16(adapter, 48, 0x1E07, REG_P1CR2);
/* restart port auto-negotiation */
ks8842_enable_bits(adapter, 49, 1 << 13, REG_P1CR4);
/* only advertise 10Mbps */
ks8842_clear_bits(adapter, 49, 3 << 2, REG_P1CR4);
/* Enable the transmitter */
ks8842_enable_tx(adapter);
/* Enable the receiver */
ks8842_enable_rx(adapter);
/* clear all interrupts */
ks8842_write16(adapter, 18, 0xffff, REG_ISR);
/* enable interrupts */
ks8842_write16(adapter, 18, ENABLED_IRQS, REG_IER);
/* enable the switch */
ks8842_write16(adapter, 32, 0x1, REG_SW_ID_AND_ENABLE);
}
static void ks8842_read_mac_addr(struct ks8842_adapter *adapter, u8 *dest)
{
int i;
u16 mac;
for (i = 0; i < ETH_ALEN; i++)
dest[ETH_ALEN - i - 1] = ks8842_read8(adapter, 2, REG_MARL + i);
/* make sure the switch port uses the same MAC as the QMU */
mac = ks8842_read16(adapter, 2, REG_MARL);
ks8842_write16(adapter, 39, mac, REG_MACAR1);
mac = ks8842_read16(adapter, 2, REG_MARM);
ks8842_write16(adapter, 39, mac, REG_MACAR2);
mac = ks8842_read16(adapter, 2, REG_MARH);
ks8842_write16(adapter, 39, mac, REG_MACAR3);
}
static void ks8842_write_mac_addr(struct ks8842_adapter *adapter, u8 *mac)
{
unsigned long flags;
unsigned i;
spin_lock_irqsave(&adapter->lock, flags);
for (i = 0; i < ETH_ALEN; i++) {
ks8842_write8(adapter, 2, mac[ETH_ALEN - i - 1], REG_MARL + i);
ks8842_write8(adapter, 39, mac[ETH_ALEN - i - 1],
REG_MACAR1 + i);
}
spin_unlock_irqrestore(&adapter->lock, flags);
}
static inline u16 ks8842_tx_fifo_space(struct ks8842_adapter *adapter)
{
return ks8842_read16(adapter, 16, REG_TXMIR) & 0x1fff;
}
static int ks8842_tx_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct ks8842_adapter *adapter = netdev_priv(netdev);
int len = skb->len;
u32 *ptr = (u32 *)skb->data;
u32 ctrl;
netdev_dbg(netdev, "%s: len %u head %p data %p tail %p end %p\n",
__func__, skb->len, skb->head, skb->data,
skb_tail_pointer(skb), skb_end_pointer(skb));
/* check FIFO buffer space, we need space for CRC and command bits */
if (ks8842_tx_fifo_space(adapter) < len + 8)
return NETDEV_TX_BUSY;
/* the control word, enable IRQ, port 1 and the length */
ctrl = 0x8000 | 0x100 | (len << 16);
ks8842_write32(adapter, 17, ctrl, REG_QMU_DATA_LO);
netdev->stats.tx_bytes += len;
/* copy buffer */
while (len > 0) {
iowrite32(*ptr, adapter->hw_addr + REG_QMU_DATA_LO);
len -= sizeof(u32);
ptr++;
}
/* enqueue packet */
ks8842_write16(adapter, 17, 1, REG_TXQCR);
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
static void ks8842_rx_frame(struct net_device *netdev,
struct ks8842_adapter *adapter)
{
u32 status = ks8842_read32(adapter, 17, REG_QMU_DATA_LO);
int len = (status >> 16) & 0x7ff;
status &= 0xffff;
netdev_dbg(netdev, "%s - rx_data: status: %x\n", __func__, status);
/* check the status */
if ((status & RXSR_VALID) && !(status & RXSR_ERROR)) {
struct sk_buff *skb = netdev_alloc_skb_ip_align(netdev, len);
netdev_dbg(netdev, "%s, got package, len: %d\n", __func__, len);
if (skb) {
u32 *data;
netdev->stats.rx_packets++;
netdev->stats.rx_bytes += len;
if (status & RXSR_MULTICAST)
netdev->stats.multicast++;
data = (u32 *)skb_put(skb, len);
ks8842_select_bank(adapter, 17);
while (len > 0) {
*data++ = ioread32(adapter->hw_addr +
REG_QMU_DATA_LO);
len -= sizeof(u32);
}
skb->protocol = eth_type_trans(skb, netdev);
netif_rx(skb);
} else
netdev->stats.rx_dropped++;
} else {
netdev_dbg(netdev, "RX error, status: %x\n", status);
netdev->stats.rx_errors++;
if (status & RXSR_TOO_LONG)
netdev->stats.rx_length_errors++;
if (status & RXSR_CRC_ERROR)
netdev->stats.rx_crc_errors++;
if (status & RXSR_RUNT)
netdev->stats.rx_frame_errors++;
}
/* set high watermark to 3K */
ks8842_clear_bits(adapter, 0, 1 << 12, REG_QRFCR);
/* release the frame */
ks8842_write16(adapter, 17, 0x01, REG_RXQCR);
/* set high watermark to 2K */
ks8842_enable_bits(adapter, 0, 1 << 12, REG_QRFCR);
}
void ks8842_handle_rx(struct net_device *netdev, struct ks8842_adapter *adapter)
{
u16 rx_data = ks8842_read16(adapter, 16, REG_RXMIR) & 0x1fff;
netdev_dbg(netdev, "%s Entry - rx_data: %d\n", __func__, rx_data);
while (rx_data) {
ks8842_rx_frame(netdev, adapter);
rx_data = ks8842_read16(adapter, 16, REG_RXMIR) & 0x1fff;
}
}
void ks8842_handle_tx(struct net_device *netdev, struct ks8842_adapter *adapter)
{
u16 sr = ks8842_read16(adapter, 16, REG_TXSR);
netdev_dbg(netdev, "%s - entry, sr: %x\n", __func__, sr);
netdev->stats.tx_packets++;
if (netif_queue_stopped(netdev))
netif_wake_queue(netdev);
}
void ks8842_handle_rx_overrun(struct net_device *netdev,
struct ks8842_adapter *adapter)
{
netdev_dbg(netdev, "%s: entry\n", __func__);
netdev->stats.rx_errors++;
netdev->stats.rx_fifo_errors++;
}
void ks8842_tasklet(unsigned long arg)
{
struct net_device *netdev = (struct net_device *)arg;
struct ks8842_adapter *adapter = netdev_priv(netdev);
u16 isr;
unsigned long flags;
u16 entry_bank;
/* read current bank to be able to set it back */
spin_lock_irqsave(&adapter->lock, flags);
entry_bank = ioread16(adapter->hw_addr + REG_SELECT_BANK);
spin_unlock_irqrestore(&adapter->lock, flags);
isr = ks8842_read16(adapter, 18, REG_ISR);
netdev_dbg(netdev, "%s - ISR: 0x%x\n", __func__, isr);
/* Ack */
ks8842_write16(adapter, 18, isr, REG_ISR);
if (!netif_running(netdev))
return;
if (isr & IRQ_LINK_CHANGE)
ks8842_update_link_status(netdev, adapter);
if (isr & (IRQ_RX | IRQ_RX_ERROR))
ks8842_handle_rx(netdev, adapter);
if (isr & IRQ_TX)
ks8842_handle_tx(netdev, adapter);
if (isr & IRQ_RX_OVERRUN)
ks8842_handle_rx_overrun(netdev, adapter);
if (isr & IRQ_TX_STOPPED) {
ks8842_disable_tx(adapter);
ks8842_enable_tx(adapter);
}
if (isr & IRQ_RX_STOPPED) {
ks8842_disable_rx(adapter);
ks8842_enable_rx(adapter);
}
/* re-enable interrupts, put back the bank selection register */
spin_lock_irqsave(&adapter->lock, flags);
ks8842_write16(adapter, 18, ENABLED_IRQS, REG_IER);
iowrite16(entry_bank, adapter->hw_addr + REG_SELECT_BANK);
spin_unlock_irqrestore(&adapter->lock, flags);
}
static irqreturn_t ks8842_irq(int irq, void *devid)
{
struct net_device *netdev = devid;
struct ks8842_adapter *adapter = netdev_priv(netdev);
u16 isr;
u16 entry_bank = ioread16(adapter->hw_addr + REG_SELECT_BANK);
irqreturn_t ret = IRQ_NONE;
isr = ks8842_read16(adapter, 18, REG_ISR);
netdev_dbg(netdev, "%s - ISR: 0x%x\n", __func__, isr);
if (isr) {
/* disable IRQ */
ks8842_write16(adapter, 18, 0x00, REG_IER);
/* schedule tasklet */
tasklet_schedule(&adapter->tasklet);
ret = IRQ_HANDLED;
}
iowrite16(entry_bank, adapter->hw_addr + REG_SELECT_BANK);
return ret;
}
/* Netdevice operations */
static int ks8842_open(struct net_device *netdev)
{
struct ks8842_adapter *adapter = netdev_priv(netdev);
int err;
netdev_dbg(netdev, "%s - entry\n", __func__);
/* reset the HW */
ks8842_reset_hw(adapter);
ks8842_write_mac_addr(adapter, netdev->dev_addr);
ks8842_update_link_status(netdev, adapter);
err = request_irq(adapter->irq, ks8842_irq, IRQF_SHARED, DRV_NAME,
netdev);
if (err) {
pr_err("Failed to request IRQ: %d: %d\n", adapter->irq, err);
return err;
}
return 0;
}
static int ks8842_close(struct net_device *netdev)
{
struct ks8842_adapter *adapter = netdev_priv(netdev);
netdev_dbg(netdev, "%s - entry\n", __func__);
/* free the irq */
free_irq(adapter->irq, netdev);
/* disable the switch */
ks8842_write16(adapter, 32, 0x0, REG_SW_ID_AND_ENABLE);
return 0;
}
static netdev_tx_t ks8842_xmit_frame(struct sk_buff *skb,
struct net_device *netdev)
{
int ret;
struct ks8842_adapter *adapter = netdev_priv(netdev);
netdev_dbg(netdev, "%s: entry\n", __func__);
ret = ks8842_tx_frame(skb, netdev);
if (ks8842_tx_fifo_space(adapter) < netdev->mtu + 8)
netif_stop_queue(netdev);
return ret;
}
static int ks8842_set_mac(struct net_device *netdev, void *p)
{
struct ks8842_adapter *adapter = netdev_priv(netdev);
struct sockaddr *addr = p;
char *mac = (u8 *)addr->sa_data;
netdev_dbg(netdev, "%s: entry\n", __func__);
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(netdev->dev_addr, mac, netdev->addr_len);
ks8842_write_mac_addr(adapter, mac);
return 0;
}
static void ks8842_tx_timeout(struct net_device *netdev)
{
struct ks8842_adapter *adapter = netdev_priv(netdev);
unsigned long flags;
netdev_dbg(netdev, "%s: entry\n", __func__);
spin_lock_irqsave(&adapter->lock, flags);
/* disable interrupts */
ks8842_write16(adapter, 18, 0, REG_IER);
ks8842_write16(adapter, 18, 0xFFFF, REG_ISR);
spin_unlock_irqrestore(&adapter->lock, flags);
ks8842_reset_hw(adapter);
ks8842_write_mac_addr(adapter, netdev->dev_addr);
ks8842_update_link_status(netdev, adapter);
}
static const struct net_device_ops ks8842_netdev_ops = {
.ndo_open = ks8842_open,
.ndo_stop = ks8842_close,
.ndo_start_xmit = ks8842_xmit_frame,
.ndo_set_mac_address = ks8842_set_mac,
.ndo_tx_timeout = ks8842_tx_timeout,
.ndo_validate_addr = eth_validate_addr
};
static const struct ethtool_ops ks8842_ethtool_ops = {
.get_link = ethtool_op_get_link,
};
static int __devinit ks8842_probe(struct platform_device *pdev)
{
int err = -ENOMEM;
struct resource *iomem;
struct net_device *netdev;
struct ks8842_adapter *adapter;
struct ks8842_platform_data *pdata = pdev->dev.platform_data;
u16 id;
unsigned i;
iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!request_mem_region(iomem->start, resource_size(iomem), DRV_NAME))
goto err_mem_region;
netdev = alloc_etherdev(sizeof(struct ks8842_adapter));
if (!netdev)
goto err_alloc_etherdev;
SET_NETDEV_DEV(netdev, &pdev->dev);
adapter = netdev_priv(netdev);
adapter->hw_addr = ioremap(iomem->start, resource_size(iomem));
if (!adapter->hw_addr)
goto err_ioremap;
adapter->irq = platform_get_irq(pdev, 0);
if (adapter->irq < 0) {
err = adapter->irq;
goto err_get_irq;
}
tasklet_init(&adapter->tasklet, ks8842_tasklet, (unsigned long)netdev);
spin_lock_init(&adapter->lock);
netdev->netdev_ops = &ks8842_netdev_ops;
netdev->ethtool_ops = &ks8842_ethtool_ops;
/* Check if a mac address was given */
i = netdev->addr_len;
if (pdata) {
for (i = 0; i < netdev->addr_len; i++)
if (pdata->macaddr[i] != 0)
break;
if (i < netdev->addr_len)
/* an address was passed, use it */
memcpy(netdev->dev_addr, pdata->macaddr,
netdev->addr_len);
}
if (i == netdev->addr_len) {
ks8842_read_mac_addr(adapter, netdev->dev_addr);
if (!is_valid_ether_addr(netdev->dev_addr))
random_ether_addr(netdev->dev_addr);
}
id = ks8842_read16(adapter, 32, REG_SW_ID_AND_ENABLE);
strcpy(netdev->name, "eth%d");
err = register_netdev(netdev);
if (err)
goto err_register;
platform_set_drvdata(pdev, netdev);
pr_info("Found chip, family: 0x%x, id: 0x%x, rev: 0x%x\n",
(id >> 8) & 0xff, (id >> 4) & 0xf, (id >> 1) & 0x7);
return 0;
err_register:
err_get_irq:
iounmap(adapter->hw_addr);
err_ioremap:
free_netdev(netdev);
err_alloc_etherdev:
release_mem_region(iomem->start, resource_size(iomem));
err_mem_region:
return err;
}
static int __devexit ks8842_remove(struct platform_device *pdev)
{
struct net_device *netdev = platform_get_drvdata(pdev);
struct ks8842_adapter *adapter = netdev_priv(netdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
unregister_netdev(netdev);
tasklet_kill(&adapter->tasklet);
iounmap(adapter->hw_addr);
free_netdev(netdev);
release_mem_region(iomem->start, resource_size(iomem));
platform_set_drvdata(pdev, NULL);
return 0;
}
static struct platform_driver ks8842_platform_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
},
.probe = ks8842_probe,
.remove = ks8842_remove,
};
static int __init ks8842_init(void)
{
return platform_driver_register(&ks8842_platform_driver);
}
static void __exit ks8842_exit(void)
{
platform_driver_unregister(&ks8842_platform_driver);
}
module_init(ks8842_init);
module_exit(ks8842_exit);
MODULE_DESCRIPTION("Timberdale KS8842 ethernet driver");
MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:ks8842");
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