smsc: Move the SMC (SMSC) drivers

Moves the SMC (SMSC) drivers into drivers/net/ethernet/smsc/ and the
necessary Kconfig and Makefile changes.  Also did some cleanup
of NET_VENDOR_SMC Kconfig tag for the 8390 based drivers.

CC: Nicolas Pitre <nico@fluxnic.net>
CC: Donald Becker <becker@scyld.com>
CC: Erik Stahlman <erik@vt.edu>
CC: Dustin McIntire <dustin@sensoria.com>
CC: Steve Glendinning <steve.glendinning@smsc.com>
CC: David Hinds <dahinds@users.sourceforge.net>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 2404 deletions

diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
deleted file mode 100644
index 75c08a55582..00000000000
--- a/drivers/net/smsc911x.c
+++ /dev/null
@@ -1,2404 +0,0 @@
-/***************************************************************************
- *
- * Copyright (C) 2004-2008 SMSC
- * Copyright (C) 2005-2008 ARM
- *
- * 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.
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- *
- ***************************************************************************
- * Rewritten, heavily based on smsc911x simple driver by SMSC.
- * Partly uses io macros from smc91x.c by Nicolas Pitre
- *
- * Supported devices:
- *   LAN9115, LAN9116, LAN9117, LAN9118
- *   LAN9215, LAN9216, LAN9217, LAN9218
- *   LAN9210, LAN9211
- *   LAN9220, LAN9221
- *
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/crc32.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/netdevice.h>
-#include <linux/platform_device.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/bug.h>
-#include <linux/bitops.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/swab.h>
-#include <linux/phy.h>
-#include <linux/smsc911x.h>
-#include <linux/device.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
-#include <linux/of_net.h>
-#include "smsc911x.h"
-
-#define SMSC_CHIPNAME		"smsc911x"
-#define SMSC_MDIONAME		"smsc911x-mdio"
-#define SMSC_DRV_VERSION	"2008-10-21"
-
-MODULE_LICENSE("GPL");
-MODULE_VERSION(SMSC_DRV_VERSION);
-MODULE_ALIAS("platform:smsc911x");
-
-#if USE_DEBUG > 0
-static int debug = 16;
-#else
-static int debug = 3;
-#endif
-
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
-
-struct smsc911x_data;
-
-struct smsc911x_ops {
-	u32 (*reg_read)(struct smsc911x_data *pdata, u32 reg);
-	void (*reg_write)(struct smsc911x_data *pdata, u32 reg, u32 val);
-	void (*rx_readfifo)(struct smsc911x_data *pdata,
-				unsigned int *buf, unsigned int wordcount);
-	void (*tx_writefifo)(struct smsc911x_data *pdata,
-				unsigned int *buf, unsigned int wordcount);
-};
-
-struct smsc911x_data {
-	void __iomem *ioaddr;
-
-	unsigned int idrev;
-
-	/* used to decide which workarounds apply */
-	unsigned int generation;
-
-	/* device configuration (copied from platform_data during probe) */
-	struct smsc911x_platform_config config;
-
-	/* This needs to be acquired before calling any of below:
-	 * smsc911x_mac_read(), smsc911x_mac_write()
-	 */
-	spinlock_t mac_lock;
-
-	/* spinlock to ensure register accesses are serialised */
-	spinlock_t dev_lock;
-
-	struct phy_device *phy_dev;
-	struct mii_bus *mii_bus;
-	int phy_irq[PHY_MAX_ADDR];
-	unsigned int using_extphy;
-	int last_duplex;
-	int last_carrier;
-
-	u32 msg_enable;
-	unsigned int gpio_setting;
-	unsigned int gpio_orig_setting;
-	struct net_device *dev;
-	struct napi_struct napi;
-
-	unsigned int software_irq_signal;
-
-#ifdef USE_PHY_WORK_AROUND
-#define MIN_PACKET_SIZE (64)
-	char loopback_tx_pkt[MIN_PACKET_SIZE];
-	char loopback_rx_pkt[MIN_PACKET_SIZE];
-	unsigned int resetcount;
-#endif
-
-	/* Members for Multicast filter workaround */
-	unsigned int multicast_update_pending;
-	unsigned int set_bits_mask;
-	unsigned int clear_bits_mask;
-	unsigned int hashhi;
-	unsigned int hashlo;
-
-	/* register access functions */
-	const struct smsc911x_ops *ops;
-};
-
-/* Easy access to information */
-#define __smsc_shift(pdata, reg) ((reg) << ((pdata)->config.shift))
-
-static inline u32 __smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
-{
-	if (pdata->config.flags & SMSC911X_USE_32BIT)
-		return readl(pdata->ioaddr + reg);
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT)
-		return ((readw(pdata->ioaddr + reg) & 0xFFFF) |
-			((readw(pdata->ioaddr + reg + 2) & 0xFFFF) << 16));
-
-	BUG();
-	return 0;
-}
-
-static inline u32
-__smsc911x_reg_read_shift(struct smsc911x_data *pdata, u32 reg)
-{
-	if (pdata->config.flags & SMSC911X_USE_32BIT)
-		return readl(pdata->ioaddr + __smsc_shift(pdata, reg));
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT)
-		return (readw(pdata->ioaddr +
-				__smsc_shift(pdata, reg)) & 0xFFFF) |
-			((readw(pdata->ioaddr +
-			__smsc_shift(pdata, reg + 2)) & 0xFFFF) << 16);
-
-	BUG();
-	return 0;
-}
-
-static inline u32 smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
-{
-	u32 data;
-	unsigned long flags;
-
-	spin_lock_irqsave(&pdata->dev_lock, flags);
-	data = pdata->ops->reg_read(pdata, reg);
-	spin_unlock_irqrestore(&pdata->dev_lock, flags);
-
-	return data;
-}
-
-static inline void __smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
-					u32 val)
-{
-	if (pdata->config.flags & SMSC911X_USE_32BIT) {
-		writel(val, pdata->ioaddr + reg);
-		return;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		writew(val & 0xFFFF, pdata->ioaddr + reg);
-		writew((val >> 16) & 0xFFFF, pdata->ioaddr + reg + 2);
-		return;
-	}
-
-	BUG();
-}
-
-static inline void
-__smsc911x_reg_write_shift(struct smsc911x_data *pdata, u32 reg, u32 val)
-{
-	if (pdata->config.flags & SMSC911X_USE_32BIT) {
-		writel(val, pdata->ioaddr + __smsc_shift(pdata, reg));
-		return;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		writew(val & 0xFFFF,
-			pdata->ioaddr + __smsc_shift(pdata, reg));
-		writew((val >> 16) & 0xFFFF,
-			pdata->ioaddr + __smsc_shift(pdata, reg + 2));
-		return;
-	}
-
-	BUG();
-}
-
-static inline void smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
-				      u32 val)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&pdata->dev_lock, flags);
-	pdata->ops->reg_write(pdata, reg, val);
-	spin_unlock_irqrestore(&pdata->dev_lock, flags);
-}
-
-/* Writes a packet to the TX_DATA_FIFO */
-static inline void
-smsc911x_tx_writefifo(struct smsc911x_data *pdata, unsigned int *buf,
-		      unsigned int wordcount)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&pdata->dev_lock, flags);
-
-	if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
-		while (wordcount--)
-			__smsc911x_reg_write(pdata, TX_DATA_FIFO,
-					     swab32(*buf++));
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_32BIT) {
-		writesl(pdata->ioaddr + TX_DATA_FIFO, buf, wordcount);
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		while (wordcount--)
-			__smsc911x_reg_write(pdata, TX_DATA_FIFO, *buf++);
-		goto out;
-	}
-
-	BUG();
-out:
-	spin_unlock_irqrestore(&pdata->dev_lock, flags);
-}
-
-/* Writes a packet to the TX_DATA_FIFO - shifted version */
-static inline void
-smsc911x_tx_writefifo_shift(struct smsc911x_data *pdata, unsigned int *buf,
-		      unsigned int wordcount)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&pdata->dev_lock, flags);
-
-	if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
-		while (wordcount--)
-			__smsc911x_reg_write_shift(pdata, TX_DATA_FIFO,
-					     swab32(*buf++));
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_32BIT) {
-		writesl(pdata->ioaddr + __smsc_shift(pdata,
-						TX_DATA_FIFO), buf, wordcount);
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		while (wordcount--)
-			__smsc911x_reg_write_shift(pdata,
-						 TX_DATA_FIFO, *buf++);
-		goto out;
-	}
-
-	BUG();
-out:
-	spin_unlock_irqrestore(&pdata->dev_lock, flags);
-}
-
-/* Reads a packet out of the RX_DATA_FIFO */
-static inline void
-smsc911x_rx_readfifo(struct smsc911x_data *pdata, unsigned int *buf,
-		     unsigned int wordcount)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&pdata->dev_lock, flags);
-
-	if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
-		while (wordcount--)
-			*buf++ = swab32(__smsc911x_reg_read(pdata,
-							    RX_DATA_FIFO));
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_32BIT) {
-		readsl(pdata->ioaddr + RX_DATA_FIFO, buf, wordcount);
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		while (wordcount--)
-			*buf++ = __smsc911x_reg_read(pdata, RX_DATA_FIFO);
-		goto out;
-	}
-
-	BUG();
-out:
-	spin_unlock_irqrestore(&pdata->dev_lock, flags);
-}
-
-/* Reads a packet out of the RX_DATA_FIFO - shifted version */
-static inline void
-smsc911x_rx_readfifo_shift(struct smsc911x_data *pdata, unsigned int *buf,
-		     unsigned int wordcount)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&pdata->dev_lock, flags);
-
-	if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
-		while (wordcount--)
-			*buf++ = swab32(__smsc911x_reg_read_shift(pdata,
-							    RX_DATA_FIFO));
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_32BIT) {
-		readsl(pdata->ioaddr + __smsc_shift(pdata,
-						RX_DATA_FIFO), buf, wordcount);
-		goto out;
-	}
-
-	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		while (wordcount--)
-			*buf++ = __smsc911x_reg_read_shift(pdata,
-								RX_DATA_FIFO);
-		goto out;
-	}
-
-	BUG();
-out:
-	spin_unlock_irqrestore(&pdata->dev_lock, flags);
-}
-
-/* waits for MAC not busy, with timeout.  Only called by smsc911x_mac_read
- * and smsc911x_mac_write, so assumes mac_lock is held */
-static int smsc911x_mac_complete(struct smsc911x_data *pdata)
-{
-	int i;
-	u32 val;
-
-	SMSC_ASSERT_MAC_LOCK(pdata);
-
-	for (i = 0; i < 40; i++) {
-		val = smsc911x_reg_read(pdata, MAC_CSR_CMD);
-		if (!(val & MAC_CSR_CMD_CSR_BUSY_))
-			return 0;
-	}
-	SMSC_WARN(pdata, hw, "Timed out waiting for MAC not BUSY. "
-		  "MAC_CSR_CMD: 0x%08X", val);
-	return -EIO;
-}
-
-/* Fetches a MAC register value. Assumes mac_lock is acquired */
-static u32 smsc911x_mac_read(struct smsc911x_data *pdata, unsigned int offset)
-{
-	unsigned int temp;
-
-	SMSC_ASSERT_MAC_LOCK(pdata);
-
-	temp = smsc911x_reg_read(pdata, MAC_CSR_CMD);
-	if (unlikely(temp & MAC_CSR_CMD_CSR_BUSY_)) {
-		SMSC_WARN(pdata, hw, "MAC busy at entry");
-		return 0xFFFFFFFF;
-	}
-
-	/* Send the MAC cmd */
-	smsc911x_reg_write(pdata, MAC_CSR_CMD, ((offset & 0xFF) |
-		MAC_CSR_CMD_CSR_BUSY_ | MAC_CSR_CMD_R_NOT_W_));
-
-	/* Workaround for hardware read-after-write restriction */
-	temp = smsc911x_reg_read(pdata, BYTE_TEST);
-
-	/* Wait for the read to complete */
-	if (likely(smsc911x_mac_complete(pdata) == 0))
-		return smsc911x_reg_read(pdata, MAC_CSR_DATA);
-
-	SMSC_WARN(pdata, hw, "MAC busy after read");
-	return 0xFFFFFFFF;
-}
-
-/* Set a mac register, mac_lock must be acquired before calling */
-static void smsc911x_mac_write(struct smsc911x_data *pdata,
-			       unsigned int offset, u32 val)
-{
-	unsigned int temp;
-
-	SMSC_ASSERT_MAC_LOCK(pdata);
-
-	temp = smsc911x_reg_read(pdata, MAC_CSR_CMD);
-	if (unlikely(temp & MAC_CSR_CMD_CSR_BUSY_)) {
-		SMSC_WARN(pdata, hw,
-			  "smsc911x_mac_write failed, MAC busy at entry");
-		return;
-	}
-
-	/* Send data to write */
-	smsc911x_reg_write(pdata, MAC_CSR_DATA, val);
-
-	/* Write the actual data */
-	smsc911x_reg_write(pdata, MAC_CSR_CMD, ((offset & 0xFF) |
-		MAC_CSR_CMD_CSR_BUSY_));
-
-	/* Workaround for hardware read-after-write restriction */
-	temp = smsc911x_reg_read(pdata, BYTE_TEST);
-
-	/* Wait for the write to complete */
-	if (likely(smsc911x_mac_complete(pdata) == 0))
-		return;
-
-	SMSC_WARN(pdata, hw, "smsc911x_mac_write failed, MAC busy after write");
-}
-
-/* Get a phy register */
-static int smsc911x_mii_read(struct mii_bus *bus, int phyaddr, int regidx)
-{
-	struct smsc911x_data *pdata = (struct smsc911x_data *)bus->priv;
-	unsigned long flags;
-	unsigned int addr;
-	int i, reg;
-
-	spin_lock_irqsave(&pdata->mac_lock, flags);
-
-	/* Confirm MII not busy */
-	if (unlikely(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) {
-		SMSC_WARN(pdata, hw, "MII is busy in smsc911x_mii_read???");
-		reg = -EIO;
-		goto out;
-	}
-
-	/* Set the address, index & direction (read from PHY) */
-	addr = ((phyaddr & 0x1F) << 11) | ((regidx & 0x1F) << 6);
-	smsc911x_mac_write(pdata, MII_ACC, addr);
-
-	/* Wait for read to complete w/ timeout */
-	for (i = 0; i < 100; i++)
-		if (!(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) {
-			reg = smsc911x_mac_read(pdata, MII_DATA);
-			goto out;
-		}
-
-	SMSC_WARN(pdata, hw, "Timed out waiting for MII read to finish");
-	reg = -EIO;
-
-out:
-	spin_unlock_irqrestore(&pdata->mac_lock, flags);
-	return reg;
-}
-
-/* Set a phy register */
-static int smsc911x_mii_write(struct mii_bus *bus, int phyaddr, int regidx,
-			   u16 val)
-{
-	struct smsc911x_data *pdata = (struct smsc911x_data *)bus->priv;
-	unsigned long flags;
-	unsigned int addr;
-	int i, reg;
-
-	spin_lock_irqsave(&pdata->mac_lock, flags);
-
-	/* Confirm MII not busy */
-	if (unlikely(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) {
-		SMSC_WARN(pdata, hw, "MII is busy in smsc911x_mii_write???");
-		reg = -EIO;
-		goto out;
-	}
-
-	/* Put the data to write in the MAC */
-	smsc911x_mac_write(pdata, MII_DATA, val);
-
-	/* Set the address, index & direction (write to PHY) */
-	addr = ((phyaddr & 0x1F) << 11) | ((regidx & 0x1F) << 6) |
-		MII_ACC_MII_WRITE_;
-	smsc911x_mac_write(pdata, MII_ACC, addr);
-
-	/* Wait for write to complete w/ timeout */
-	for (i = 0; i < 100; i++)
-		if (!(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) {
-			reg = 0;
-			goto out;
-		}
-
-	SMSC_WARN(pdata, hw, "Timed out waiting for MII write to finish");
-	reg = -EIO;
-
-out:
-	spin_unlock_irqrestore(&pdata->mac_lock, flags);
-	return reg;
-}
-
-/* Switch to external phy. Assumes tx and rx are stopped. */
-static void smsc911x_phy_enable_external(struct smsc911x_data *pdata)
-{
-	unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG);
-
-	/* Disable phy clocks to the MAC */
-	hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
-	hwcfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_;
-	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
-	udelay(10);	/* Enough time for clocks to stop */
-
-	/* Switch to external phy */
-	hwcfg |= HW_CFG_EXT_PHY_EN_;
-	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
-
-	/* Enable phy clocks to the MAC */
-	hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
-	hwcfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_;
-	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
-	udelay(10);	/* Enough time for clocks to restart */
-
-	hwcfg |= HW_CFG_SMI_SEL_;
-	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
-}
-
-/* Autodetects and enables external phy if present on supported chips.
- * autodetection can be overridden by specifying SMSC911X_FORCE_INTERNAL_PHY
- * or SMSC911X_FORCE_EXTERNAL_PHY in the platform_data flags. */
-static void smsc911x_phy_initialise_external(struct smsc911x_data *pdata)
-{
-	unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG);
-
-	if (pdata->config.flags & SMSC911X_FORCE_INTERNAL_PHY) {
-		SMSC_TRACE(pdata, hw, "Forcing internal PHY");
-		pdata->using_extphy = 0;
-	} else if (pdata->config.flags & SMSC911X_FORCE_EXTERNAL_PHY) {
-		SMSC_TRACE(pdata, hw, "Forcing external PHY");
-		smsc911x_phy_enable_external(pdata);
-		pdata->using_extphy = 1;
-	} else if (hwcfg & HW_CFG_EXT_PHY_DET_) {
-		SMSC_TRACE(pdata, hw,
-			   "HW_CFG EXT_PHY_DET set, using external PHY");
-		smsc911x_phy_enable_external(pdata);
-		pdata->using_extphy = 1;
-	} else {
-		SMSC_TRACE(pdata, hw,
-			   "HW_CFG EXT_PHY_DET clear, using internal PHY");
-		pdata->using_extphy = 0;
-	}
-}
-
-/* Fetches a tx status out of the status fifo */
-static unsigned int smsc911x_tx_get_txstatus(struct smsc911x_data *pdata)
-{
-	unsigned int result =
-	    smsc911x_reg_read(pdata, TX_FIFO_INF) & TX_FIFO_INF_TSUSED_;
-
-	if (result != 0)
-		result = smsc911x_reg_read(pdata, TX_STATUS_FIFO);
-
-	return result;
-}
-
-/* Fetches the next rx status */
-static unsigned int smsc911x_rx_get_rxstatus(struct smsc911x_data *pdata)
-{
-	unsigned int result =
-	    smsc911x_reg_read(pdata, RX_FIFO_INF) & RX_FIFO_INF_RXSUSED_;
-
-	if (result != 0)
-		result = smsc911x_reg_read(pdata, RX_STATUS_FIFO);
-
-	return result;
-}
-
-#ifdef USE_PHY_WORK_AROUND
-static int smsc911x_phy_check_loopbackpkt(struct smsc911x_data *pdata)
-{
-	unsigned int tries;
-	u32 wrsz;
-	u32 rdsz;
-	ulong bufp;
-
-	for (tries = 0; tries < 10; tries++) {
-		unsigned int txcmd_a;
-		unsigned int txcmd_b;
-		unsigned int status;
-		unsigned int pktlength;
-		unsigned int i;
-
-		/* Zero-out rx packet memory */
-		memset(pdata->loopback_rx_pkt, 0, MIN_PACKET_SIZE);
-
-		/* Write tx packet to 118 */
-		txcmd_a = (u32)((ulong)pdata->loopback_tx_pkt & 0x03) << 16;
-		txcmd_a |= TX_CMD_A_FIRST_SEG_ | TX_CMD_A_LAST_SEG_;
-		txcmd_a |= MIN_PACKET_SIZE;
-
-		txcmd_b = MIN_PACKET_SIZE << 16 | MIN_PACKET_SIZE;
-
-		smsc911x_reg_write(pdata, TX_DATA_FIFO, txcmd_a);
-		smsc911x_reg_write(pdata, TX_DATA_FIFO, txcmd_b);
-
-		bufp = (ulong)pdata->loopback_tx_pkt & (~0x3);
-		wrsz = MIN_PACKET_SIZE + 3;
-		wrsz += (u32)((ulong)pdata->loopback_tx_pkt & 0x3);
-		wrsz >>= 2;
-
-		pdata->ops->tx_writefifo(pdata, (unsigned int *)bufp, wrsz);
-
-		/* Wait till transmit is done */
-		i = 60;
-		do {
-			udelay(5);
-			status = smsc911x_tx_get_txstatus(pdata);
-		} while ((i--) && (!status));
-
-		if (!status) {
-			SMSC_WARN(pdata, hw,
-				  "Failed to transmit during loopback test");
-			continue;
-		}
-		if (status & TX_STS_ES_) {
-			SMSC_WARN(pdata, hw,
-				  "Transmit encountered errors during loopback test");
-			continue;
-		}
-
-		/* Wait till receive is done */
-		i = 60;
-		do {
-			udelay(5);
-			status = smsc911x_rx_get_rxstatus(pdata);
-		} while ((i--) && (!status));
-
-		if (!status) {
-			SMSC_WARN(pdata, hw,
-				  "Failed to receive during loopback test");
-			continue;
-		}
-		if (status & RX_STS_ES_) {
-			SMSC_WARN(pdata, hw,
-				  "Receive encountered errors during loopback test");
-			continue;
-		}
-
-		pktlength = ((status & 0x3FFF0000UL) >> 16);
-		bufp = (ulong)pdata->loopback_rx_pkt;
-		rdsz = pktlength + 3;
-		rdsz += (u32)((ulong)pdata->loopback_rx_pkt & 0x3);
-		rdsz >>= 2;
-
-		pdata->ops->rx_readfifo(pdata, (unsigned int *)bufp, rdsz);
-
-		if (pktlength != (MIN_PACKET_SIZE + 4)) {
-			SMSC_WARN(pdata, hw, "Unexpected packet size "
-				  "during loop back test, size=%d, will retry",
-				  pktlength);
-		} else {
-			unsigned int j;
-			int mismatch = 0;
-			for (j = 0; j < MIN_PACKET_SIZE; j++) {
-				if (pdata->loopback_tx_pkt[j]
-				    != pdata->loopback_rx_pkt[j]) {
-					mismatch = 1;
-					break;
-				}
-			}
-			if (!mismatch) {
-				SMSC_TRACE(pdata, hw, "Successfully verified "
-					   "loopback packet");
-				return 0;
-			} else {
-				SMSC_WARN(pdata, hw, "Data mismatch "
-					  "during loop back test, will retry");
-			}
-		}
-	}
-
-	return -EIO;
-}
-
-static int smsc911x_phy_reset(struct smsc911x_data *pdata)
-{
-	struct phy_device *phy_dev = pdata->phy_dev;
-	unsigned int temp;
-	unsigned int i = 100000;
-
-	BUG_ON(!phy_dev);
-	BUG_ON(!phy_dev->bus);
-
-	SMSC_TRACE(pdata, hw, "Performing PHY BCR Reset");
-	smsc911x_mii_write(phy_dev->bus, phy_dev->addr, MII_BMCR, BMCR_RESET);
-	do {
-		msleep(1);
-		temp = smsc911x_mii_read(phy_dev->bus, phy_dev->addr,
-			MII_BMCR);
-	} while ((i--) && (temp & BMCR_RESET));
-
-	if (temp & BMCR_RESET) {
-		SMSC_WARN(pdata, hw, "PHY reset failed to complete");
-		return -EIO;
-	}
-	/* Extra delay required because the phy may not be completed with
-	* its reset when BMCR_RESET is cleared. Specs say 256 uS is
-	* enough delay but using 1ms here to be safe */
-	msleep(1);
-
-	return 0;
-}
-
-static int smsc911x_phy_loopbacktest(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	struct phy_device *phy_dev = pdata->phy_dev;
-	int result = -EIO;
-	unsigned int i, val;
-	unsigned long flags;
-
-	/* Initialise tx packet using broadcast destination address */
-	memset(pdata->loopback_tx_pkt, 0xff, ETH_ALEN);
-
-	/* Use incrementing source address */
-	for (i = 6; i < 12; i++)
-		pdata->loopback_tx_pkt[i] = (char)i;
-
-	/* Set length type field */
-	pdata->loopback_tx_pkt[12] = 0x00;
-	pdata->loopback_tx_pkt[13] = 0x00;
-
-	for (i = 14; i < MIN_PACKET_SIZE; i++)
-		pdata->loopback_tx_pkt[i] = (char)i;
-
-	val = smsc911x_reg_read(pdata, HW_CFG);
-	val &= HW_CFG_TX_FIF_SZ_;
-	val |= HW_CFG_SF_;
-	smsc911x_reg_write(pdata, HW_CFG, val);
-
-	smsc911x_reg_write(pdata, TX_CFG, TX_CFG_TX_ON_);
-	smsc911x_reg_write(pdata, RX_CFG,
-		(u32)((ulong)pdata->loopback_rx_pkt & 0x03) << 8);
-
-	for (i = 0; i < 10; i++) {
-		/* Set PHY to 10/FD, no ANEG, and loopback mode */
-		smsc911x_mii_write(phy_dev->bus, phy_dev->addr,	MII_BMCR,
-			BMCR_LOOPBACK | BMCR_FULLDPLX);
-
-		/* Enable MAC tx/rx, FD */
-		spin_lock_irqsave(&pdata->mac_lock, flags);
-		smsc911x_mac_write(pdata, MAC_CR, MAC_CR_FDPX_
-				   | MAC_CR_TXEN_ | MAC_CR_RXEN_);
-		spin_unlock_irqrestore(&pdata->mac_lock, flags);
-
-		if (smsc911x_phy_check_loopbackpkt(pdata) == 0) {
-			result = 0;
-			break;
-		}
-		pdata->resetcount++;
-
-		/* Disable MAC rx */
-		spin_lock_irqsave(&pdata->mac_lock, flags);
-		smsc911x_mac_write(pdata, MAC_CR, 0);
-		spin_unlock_irqrestore(&pdata->mac_lock, flags);
-
-		smsc911x_phy_reset(pdata);
-	}
-
-	/* Disable MAC */
-	spin_lock_irqsave(&pdata->mac_lock, flags);
-	smsc911x_mac_write(pdata, MAC_CR, 0);
-	spin_unlock_irqrestore(&pdata->mac_lock, flags);
-
-	/* Cancel PHY loopback mode */
-	smsc911x_mii_write(phy_dev->bus, phy_dev->addr, MII_BMCR, 0);
-
-	smsc911x_reg_write(pdata, TX_CFG, 0);
-	smsc911x_reg_write(pdata, RX_CFG, 0);
-
-	return result;
-}
-#endif				/* USE_PHY_WORK_AROUND */
-
-static void smsc911x_phy_update_flowcontrol(struct smsc911x_data *pdata)
-{
-	struct phy_device *phy_dev = pdata->phy_dev;
-	u32 afc = smsc911x_reg_read(pdata, AFC_CFG);
-	u32 flow;
-	unsigned long flags;
-
-	if (phy_dev->duplex == DUPLEX_FULL) {
-		u16 lcladv = phy_read(phy_dev, MII_ADVERTISE);
-		u16 rmtadv = phy_read(phy_dev, MII_LPA);
-		u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
-
-		if (cap & FLOW_CTRL_RX)
-			flow = 0xFFFF0002;
-		else
-			flow = 0;
-
-		if (cap & FLOW_CTRL_TX)
-			afc |= 0xF;
-		else
-			afc &= ~0xF;
-
-		SMSC_TRACE(pdata, hw, "rx pause %s, tx pause %s",
-			   (cap & FLOW_CTRL_RX ? "enabled" : "disabled"),
-			   (cap & FLOW_CTRL_TX ? "enabled" : "disabled"));
-	} else {
-		SMSC_TRACE(pdata, hw, "half duplex");
-		flow = 0;
-		afc |= 0xF;
-	}
-
-	spin_lock_irqsave(&pdata->mac_lock, flags);
-	smsc911x_mac_write(pdata, FLOW, flow);
-	spin_unlock_irqrestore(&pdata->mac_lock, flags);
-
-	smsc911x_reg_write(pdata, AFC_CFG, afc);
-}
-
-/* Update link mode if anything has changed.  Called periodically when the
- * PHY is in polling mode, even if nothing has changed. */
-static void smsc911x_phy_adjust_link(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	struct phy_device *phy_dev = pdata->phy_dev;
-	unsigned long flags;
-	int carrier;
-
-	if (phy_dev->duplex != pdata->last_duplex) {
-		unsigned int mac_cr;
-		SMSC_TRACE(pdata, hw, "duplex state has changed");
-
-		spin_lock_irqsave(&pdata->mac_lock, flags);
-		mac_cr = smsc911x_mac_read(pdata, MAC_CR);
-		if (phy_dev->duplex) {
-			SMSC_TRACE(pdata, hw,
-				   "configuring for full duplex mode");
-			mac_cr |= MAC_CR_FDPX_;
-		} else {
-			SMSC_TRACE(pdata, hw,
-				   "configuring for half duplex mode");
-			mac_cr &= ~MAC_CR_FDPX_;
-		}
-		smsc911x_mac_write(pdata, MAC_CR, mac_cr);
-		spin_unlock_irqrestore(&pdata->mac_lock, flags);
-
-		smsc911x_phy_update_flowcontrol(pdata);
-		pdata->last_duplex = phy_dev->duplex;
-	}
-
-	carrier = netif_carrier_ok(dev);
-	if (carrier != pdata->last_carrier) {
-		SMSC_TRACE(pdata, hw, "carrier state has changed");
-		if (carrier) {
-			SMSC_TRACE(pdata, hw, "configuring for carrier OK");
-			if ((pdata->gpio_orig_setting & GPIO_CFG_LED1_EN_) &&
-			    (!pdata->using_extphy)) {
-				/* Restore original GPIO configuration */
-				pdata->gpio_setting = pdata->gpio_orig_setting;
-				smsc911x_reg_write(pdata, GPIO_CFG,
-					pdata->gpio_setting);
-			}
-		} else {
-			SMSC_TRACE(pdata, hw, "configuring for no carrier");
-			/* Check global setting that LED1
-			 * usage is 10/100 indicator */
-			pdata->gpio_setting = smsc911x_reg_read(pdata,
-				GPIO_CFG);
-			if ((pdata->gpio_setting & GPIO_CFG_LED1_EN_) &&
-			    (!pdata->using_extphy)) {
-				/* Force 10/100 LED off, after saving
-				 * original GPIO configuration */
-				pdata->gpio_orig_setting = pdata->gpio_setting;
-
-				pdata->gpio_setting &= ~GPIO_CFG_LED1_EN_;
-				pdata->gpio_setting |= (GPIO_CFG_GPIOBUF0_
-							| GPIO_CFG_GPIODIR0_
-							| GPIO_CFG_GPIOD0_);
-				smsc911x_reg_write(pdata, GPIO_CFG,
-					pdata->gpio_setting);
-			}
-		}
-		pdata->last_carrier = carrier;
-	}
-}
-
-static int smsc911x_mii_probe(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	struct phy_device *phydev = NULL;
-	int ret;
-
-	/* find the first phy */
-	phydev = phy_find_first(pdata->mii_bus);
-	if (!phydev) {
-		netdev_err(dev, "no PHY found\n");
-		return -ENODEV;
-	}
-
-	SMSC_TRACE(pdata, probe, "PHY: addr %d, phy_id 0x%08X",
-		   phydev->addr, phydev->phy_id);
-
-	ret = phy_connect_direct(dev, phydev,
-			&smsc911x_phy_adjust_link, 0,
-			pdata->config.phy_interface);
-
-	if (ret) {
-		netdev_err(dev, "Could not attach to PHY\n");
-		return ret;
-	}
-
-	netdev_info(dev,
-		    "attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
-		    phydev->drv->name, dev_name(&phydev->dev), phydev->irq);
-
-	/* mask with MAC supported features */
-	phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
-			      SUPPORTED_Asym_Pause);
-	phydev->advertising = phydev->supported;
-
-	pdata->phy_dev = phydev;
-	pdata->last_duplex = -1;
-	pdata->last_carrier = -1;
-
-#ifdef USE_PHY_WORK_AROUND
-	if (smsc911x_phy_loopbacktest(dev) < 0) {
-		SMSC_WARN(pdata, hw, "Failed Loop Back Test");
-		return -ENODEV;
-	}
-	SMSC_TRACE(pdata, hw, "Passed Loop Back Test");
-#endif				/* USE_PHY_WORK_AROUND */
-
-	SMSC_TRACE(pdata, hw, "phy initialised successfully");
-	return 0;
-}
-
-static int __devinit smsc911x_mii_init(struct platform_device *pdev,
-				       struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	int err = -ENXIO, i;
-
-	pdata->mii_bus = mdiobus_alloc();
-	if (!pdata->mii_bus) {
-		err = -ENOMEM;
-		goto err_out_1;
-	}
-
-	pdata->mii_bus->name = SMSC_MDIONAME;
-	snprintf(pdata->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id);
-	pdata->mii_bus->priv = pdata;
-	pdata->mii_bus->read = smsc911x_mii_read;
-	pdata->mii_bus->write = smsc911x_mii_write;
-	pdata->mii_bus->irq = pdata->phy_irq;
-	for (i = 0; i < PHY_MAX_ADDR; ++i)
-		pdata->mii_bus->irq[i] = PHY_POLL;
-
-	pdata->mii_bus->parent = &pdev->dev;
-
-	switch (pdata->idrev & 0xFFFF0000) {
-	case 0x01170000:
-	case 0x01150000:
-	case 0x117A0000:
-	case 0x115A0000:
-		/* External PHY supported, try to autodetect */
-		smsc911x_phy_initialise_external(pdata);
-		break;
-	default:
-		SMSC_TRACE(pdata, hw, "External PHY is not supported, "
-			   "using internal PHY");
-		pdata->using_extphy = 0;
-		break;
-	}
-
-	if (!pdata->using_extphy) {
-		/* Mask all PHYs except ID 1 (internal) */
-		pdata->mii_bus->phy_mask = ~(1 << 1);
-	}
-
-	if (mdiobus_register(pdata->mii_bus)) {
-		SMSC_WARN(pdata, probe, "Error registering mii bus");
-		goto err_out_free_bus_2;
-	}
-
-	if (smsc911x_mii_probe(dev) < 0) {
-		SMSC_WARN(pdata, probe, "Error registering mii bus");
-		goto err_out_unregister_bus_3;
-	}
-
-	return 0;
-
-err_out_unregister_bus_3:
-	mdiobus_unregister(pdata->mii_bus);
-err_out_free_bus_2:
-	mdiobus_free(pdata->mii_bus);
-err_out_1:
-	return err;
-}
-
-/* Gets the number of tx statuses in the fifo */
-static unsigned int smsc911x_tx_get_txstatcount(struct smsc911x_data *pdata)
-{
-	return (smsc911x_reg_read(pdata, TX_FIFO_INF)
-		& TX_FIFO_INF_TSUSED_) >> 16;
-}
-
-/* Reads tx statuses and increments counters where necessary */
-static void smsc911x_tx_update_txcounters(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	unsigned int tx_stat;
-
-	while ((tx_stat = smsc911x_tx_get_txstatus(pdata)) != 0) {
-		if (unlikely(tx_stat & 0x80000000)) {
-			/* In this driver the packet tag is used as the packet
-			 * length. Since a packet length can never reach the
-			 * size of 0x8000, this bit is reserved. It is worth
-			 * noting that the "reserved bit" in the warning above
-			 * does not reference a hardware defined reserved bit
-			 * but rather a driver defined one.
-			 */
-			SMSC_WARN(pdata, hw, "Packet tag reserved bit is high");
-		} else {
-			if (unlikely(tx_stat & TX_STS_ES_)) {
-				dev->stats.tx_errors++;
-			} else {
-				dev->stats.tx_packets++;
-				dev->stats.tx_bytes += (tx_stat >> 16);
-			}
-			if (unlikely(tx_stat & TX_STS_EXCESS_COL_)) {
-				dev->stats.collisions += 16;
-				dev->stats.tx_aborted_errors += 1;
-			} else {
-				dev->stats.collisions +=
-				    ((tx_stat >> 3) & 0xF);
-			}
-			if (unlikely(tx_stat & TX_STS_LOST_CARRIER_))
-				dev->stats.tx_carrier_errors += 1;
-			if (unlikely(tx_stat & TX_STS_LATE_COL_)) {
-				dev->stats.collisions++;
-				dev->stats.tx_aborted_errors++;
-			}
-		}
-	}
-}
-
-/* Increments the Rx error counters */
-static void
-smsc911x_rx_counterrors(struct net_device *dev, unsigned int rxstat)
-{
-	int crc_err = 0;
-
-	if (unlikely(rxstat & RX_STS_ES_)) {
-		dev->stats.rx_errors++;
-		if (unlikely(rxstat & RX_STS_CRC_ERR_)) {
-			dev->stats.rx_crc_errors++;
-			crc_err = 1;
-		}
-	}
-	if (likely(!crc_err)) {
-		if (unlikely((rxstat & RX_STS_FRAME_TYPE_) &&
-			     (rxstat & RX_STS_LENGTH_ERR_)))
-			dev->stats.rx_length_errors++;
-		if (rxstat & RX_STS_MCAST_)
-			dev->stats.multicast++;
-	}
-}
-
-/* Quickly dumps bad packets */
-static void
-smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes)
-{
-	unsigned int pktwords = (pktbytes + NET_IP_ALIGN + 3) >> 2;
-
-	if (likely(pktwords >= 4)) {
-		unsigned int timeout = 500;
-		unsigned int val;
-		smsc911x_reg_write(pdata, RX_DP_CTRL, RX_DP_CTRL_RX_FFWD_);
-		do {
-			udelay(1);
-			val = smsc911x_reg_read(pdata, RX_DP_CTRL);
-		} while ((val & RX_DP_CTRL_RX_FFWD_) && --timeout);
-
-		if (unlikely(timeout == 0))
-			SMSC_WARN(pdata, hw, "Timed out waiting for "
-				  "RX FFWD to finish, RX_DP_CTRL: 0x%08X", val);
-	} else {
-		unsigned int temp;
-		while (pktwords--)
-			temp = smsc911x_reg_read(pdata, RX_DATA_FIFO);
-	}
-}
-
-/* NAPI poll function */
-static int smsc911x_poll(struct napi_struct *napi, int budget)
-{
-	struct smsc911x_data *pdata =
-		container_of(napi, struct smsc911x_data, napi);
-	struct net_device *dev = pdata->dev;
-	int npackets = 0;
-
-	while (npackets < budget) {
-		unsigned int pktlength;
-		unsigned int pktwords;
-		struct sk_buff *skb;
-		unsigned int rxstat = smsc911x_rx_get_rxstatus(pdata);
-
-		if (!rxstat) {
-			unsigned int temp;
-			/* We processed all packets available.  Tell NAPI it can
-			 * stop polling then re-enable rx interrupts */
-			smsc911x_reg_write(pdata, INT_STS, INT_STS_RSFL_);
-			napi_complete(napi);
-			temp = smsc911x_reg_read(pdata, INT_EN);
-			temp |= INT_EN_RSFL_EN_;
-			smsc911x_reg_write(pdata, INT_EN, temp);
-			break;
-		}
-
-		/* Count packet for NAPI scheduling, even if it has an error.
-		 * Error packets still require cycles to discard */
-		npackets++;
-
-		pktlength = ((rxstat & 0x3FFF0000) >> 16);
-		pktwords = (pktlength + NET_IP_ALIGN + 3) >> 2;
-		smsc911x_rx_counterrors(dev, rxstat);
-
-		if (unlikely(rxstat & RX_STS_ES_)) {
-			SMSC_WARN(pdata, rx_err,
-				  "Discarding packet with error bit set");
-			/* Packet has an error, discard it and continue with
-			 * the next */
-			smsc911x_rx_fastforward(pdata, pktwords);
-			dev->stats.rx_dropped++;
-			continue;
-		}
-
-		skb = netdev_alloc_skb(dev, pktlength + NET_IP_ALIGN);
-		if (unlikely(!skb)) {
-			SMSC_WARN(pdata, rx_err,
-				  "Unable to allocate skb for rx packet");
-			/* Drop the packet and stop this polling iteration */
-			smsc911x_rx_fastforward(pdata, pktwords);
-			dev->stats.rx_dropped++;
-			break;
-		}
-
-		skb->data = skb->head;
-		skb_reset_tail_pointer(skb);
-
-		/* Align IP on 16B boundary */
-		skb_reserve(skb, NET_IP_ALIGN);
-		skb_put(skb, pktlength - 4);
-		pdata->ops->rx_readfifo(pdata,
-				 (unsigned int *)skb->head, pktwords);
-		skb->protocol = eth_type_trans(skb, dev);
-		skb_checksum_none_assert(skb);
-		netif_receive_skb(skb);
-
-		/* Update counters */
-		dev->stats.rx_packets++;
-		dev->stats.rx_bytes += (pktlength - 4);
-	}
-
-	/* Return total received packets */
-	return npackets;
-}
-
-/* Returns hash bit number for given MAC address
- * Example:
- * 01 00 5E 00 00 01 -> returns bit number 31 */
-static unsigned int smsc911x_hash(char addr[ETH_ALEN])
-{
-	return (ether_crc(ETH_ALEN, addr) >> 26) & 0x3f;
-}
-
-static void smsc911x_rx_multicast_update(struct smsc911x_data *pdata)
-{
-	/* Performs the multicast & mac_cr update.  This is called when
-	 * safe on the current hardware, and with the mac_lock held */
-	unsigned int mac_cr;
-
-	SMSC_ASSERT_MAC_LOCK(pdata);
-
-	mac_cr = smsc911x_mac_read(pdata, MAC_CR);
-	mac_cr |= pdata->set_bits_mask;
-	mac_cr &= ~(pdata->clear_bits_mask);
-	smsc911x_mac_write(pdata, MAC_CR, mac_cr);
-	smsc911x_mac_write(pdata, HASHH, pdata->hashhi);
-	smsc911x_mac_write(pdata, HASHL, pdata->hashlo);
-	SMSC_TRACE(pdata, hw, "maccr 0x%08X, HASHH 0x%08X, HASHL 0x%08X",
-		   mac_cr, pdata->hashhi, pdata->hashlo);
-}
-
-static void smsc911x_rx_multicast_update_workaround(struct smsc911x_data *pdata)
-{
-	unsigned int mac_cr;
-
-	/* This function is only called for older LAN911x devices
-	 * (revA or revB), where MAC_CR, HASHH and HASHL should not
-	 * be modified during Rx - newer devices immediately update the
-	 * registers.
-	 *
-	 * This is called from interrupt context */
-
-	spin_lock(&pdata->mac_lock);
-
-	/* Check Rx has stopped */
-	if (smsc911x_mac_read(pdata, MAC_CR) & MAC_CR_RXEN_)
-		SMSC_WARN(pdata, drv, "Rx not stopped");
-
-	/* Perform the update - safe to do now Rx has stopped */
-	smsc911x_rx_multicast_update(pdata);
-
-	/* Re-enable Rx */
-	mac_cr = smsc911x_mac_read(pdata, MAC_CR);
-	mac_cr |= MAC_CR_RXEN_;
-	smsc911x_mac_write(pdata, MAC_CR, mac_cr);
-
-	pdata->multicast_update_pending = 0;
-
-	spin_unlock(&pdata->mac_lock);
-}
-
-static int smsc911x_soft_reset(struct smsc911x_data *pdata)
-{
-	unsigned int timeout;
-	unsigned int temp;
-
-	/* Reset the LAN911x */
-	smsc911x_reg_write(pdata, HW_CFG, HW_CFG_SRST_);
-	timeout = 10;
-	do {
-		udelay(10);
-		temp = smsc911x_reg_read(pdata, HW_CFG);
-	} while ((--timeout) && (temp & HW_CFG_SRST_));
-
-	if (unlikely(temp & HW_CFG_SRST_)) {
-		SMSC_WARN(pdata, drv, "Failed to complete reset");
-		return -EIO;
-	}
-	return 0;
-}
-
-/* Sets the device MAC address to dev_addr, called with mac_lock held */
-static void
-smsc911x_set_hw_mac_address(struct smsc911x_data *pdata, u8 dev_addr[6])
-{
-	u32 mac_high16 = (dev_addr[5] << 8) | dev_addr[4];
-	u32 mac_low32 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
-	    (dev_addr[1] << 8) | dev_addr[0];
-
-	SMSC_ASSERT_MAC_LOCK(pdata);
-
-	smsc911x_mac_write(pdata, ADDRH, mac_high16);
-	smsc911x_mac_write(pdata, ADDRL, mac_low32);
-}
-
-static int smsc911x_open(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	unsigned int timeout;
-	unsigned int temp;
-	unsigned int intcfg;
-
-	/* if the phy is not yet registered, retry later*/
-	if (!pdata->phy_dev) {
-		SMSC_WARN(pdata, hw, "phy_dev is NULL");
-		return -EAGAIN;
-	}
-
-	if (!is_valid_ether_addr(dev->dev_addr)) {
-		SMSC_WARN(pdata, hw, "dev_addr is not a valid MAC address");
-		return -EADDRNOTAVAIL;
-	}
-
-	/* Reset the LAN911x */
-	if (smsc911x_soft_reset(pdata)) {
-		SMSC_WARN(pdata, hw, "soft reset failed");
-		return -EIO;
-	}
-
-	smsc911x_reg_write(pdata, HW_CFG, 0x00050000);
-	smsc911x_reg_write(pdata, AFC_CFG, 0x006E3740);
-
-	/* Increase the legal frame size of VLAN tagged frames to 1522 bytes */
-	spin_lock_irq(&pdata->mac_lock);
-	smsc911x_mac_write(pdata, VLAN1, ETH_P_8021Q);
-	spin_unlock_irq(&pdata->mac_lock);
-
-	/* Make sure EEPROM has finished loading before setting GPIO_CFG */
-	timeout = 50;
-	while ((smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_) &&
-	       --timeout) {
-		udelay(10);
-	}
-
-	if (unlikely(timeout == 0))
-		SMSC_WARN(pdata, ifup,
-			  "Timed out waiting for EEPROM busy bit to clear");
-
-	smsc911x_reg_write(pdata, GPIO_CFG, 0x70070000);
-
-	/* The soft reset above cleared the device's MAC address,
-	 * restore it from local copy (set in probe) */
-	spin_lock_irq(&pdata->mac_lock);
-	smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
-	spin_unlock_irq(&pdata->mac_lock);
-
-	/* Initialise irqs, but leave all sources disabled */
-	smsc911x_reg_write(pdata, INT_EN, 0);
-	smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF);
-
-	/* Set interrupt deassertion to 100uS */
-	intcfg = ((10 << 24) | INT_CFG_IRQ_EN_);
-
-	if (pdata->config.irq_polarity) {
-		SMSC_TRACE(pdata, ifup, "irq polarity: active high");
-		intcfg |= INT_CFG_IRQ_POL_;
-	} else {
-		SMSC_TRACE(pdata, ifup, "irq polarity: active low");
-	}
-
-	if (pdata->config.irq_type) {
-		SMSC_TRACE(pdata, ifup, "irq type: push-pull");
-		intcfg |= INT_CFG_IRQ_TYPE_;
-	} else {
-		SMSC_TRACE(pdata, ifup, "irq type: open drain");
-	}
-
-	smsc911x_reg_write(pdata, INT_CFG, intcfg);
-
-	SMSC_TRACE(pdata, ifup, "Testing irq handler using IRQ %d", dev->irq);
-	pdata->software_irq_signal = 0;
-	smp_wmb();
-
-	temp = smsc911x_reg_read(pdata, INT_EN);
-	temp |= INT_EN_SW_INT_EN_;
-	smsc911x_reg_write(pdata, INT_EN, temp);
-
-	timeout = 1000;
-	while (timeout--) {
-		if (pdata->software_irq_signal)
-			break;
-		msleep(1);
-	}
-
-	if (!pdata->software_irq_signal) {
-		netdev_warn(dev, "ISR failed signaling test (IRQ %d)\n",
-			    dev->irq);
-		return -ENODEV;
-	}
-	SMSC_TRACE(pdata, ifup, "IRQ handler passed test using IRQ %d",
-		   dev->irq);
-
-	netdev_info(dev, "SMSC911x/921x identified at %#08lx, IRQ: %d\n",
-		    (unsigned long)pdata->ioaddr, dev->irq);
-
-	/* Reset the last known duplex and carrier */
-	pdata->last_duplex = -1;
-	pdata->last_carrier = -1;
-
-	/* Bring the PHY up */
-	phy_start(pdata->phy_dev);
-
-	temp = smsc911x_reg_read(pdata, HW_CFG);
-	/* Preserve TX FIFO size and external PHY configuration */
-	temp &= (HW_CFG_TX_FIF_SZ_|0x00000FFF);
-	temp |= HW_CFG_SF_;
-	smsc911x_reg_write(pdata, HW_CFG, temp);
-
-	temp = smsc911x_reg_read(pdata, FIFO_INT);
-	temp |= FIFO_INT_TX_AVAIL_LEVEL_;
-	temp &= ~(FIFO_INT_RX_STS_LEVEL_);
-	smsc911x_reg_write(pdata, FIFO_INT, temp);
-
-	/* set RX Data offset to 2 bytes for alignment */
-	smsc911x_reg_write(pdata, RX_CFG, (2 << 8));
-
-	/* enable NAPI polling before enabling RX interrupts */
-	napi_enable(&pdata->napi);
-
-	temp = smsc911x_reg_read(pdata, INT_EN);
-	temp |= (INT_EN_TDFA_EN_ | INT_EN_RSFL_EN_ | INT_EN_RXSTOP_INT_EN_);
-	smsc911x_reg_write(pdata, INT_EN, temp);
-
-	spin_lock_irq(&pdata->mac_lock);
-	temp = smsc911x_mac_read(pdata, MAC_CR);
-	temp |= (MAC_CR_TXEN_ | MAC_CR_RXEN_ | MAC_CR_HBDIS_);
-	smsc911x_mac_write(pdata, MAC_CR, temp);
-	spin_unlock_irq(&pdata->mac_lock);
-
-	smsc911x_reg_write(pdata, TX_CFG, TX_CFG_TX_ON_);
-
-	netif_start_queue(dev);
-	return 0;
-}
-
-/* Entry point for stopping the interface */
-static int smsc911x_stop(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	unsigned int temp;
-
-	/* Disable all device interrupts */
-	temp = smsc911x_reg_read(pdata, INT_CFG);
-	temp &= ~INT_CFG_IRQ_EN_;
-	smsc911x_reg_write(pdata, INT_CFG, temp);
-
-	/* Stop Tx and Rx polling */
-	netif_stop_queue(dev);
-	napi_disable(&pdata->napi);
-
-	/* At this point all Rx and Tx activity is stopped */
-	dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP);
-	smsc911x_tx_update_txcounters(dev);
-
-	/* Bring the PHY down */
-	if (pdata->phy_dev)
-		phy_stop(pdata->phy_dev);
-
-	SMSC_TRACE(pdata, ifdown, "Interface stopped");
-	return 0;
-}
-
-/* Entry point for transmitting a packet */
-static int smsc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	unsigned int freespace;
-	unsigned int tx_cmd_a;
-	unsigned int tx_cmd_b;
-	unsigned int temp;
-	u32 wrsz;
-	ulong bufp;
-
-	freespace = smsc911x_reg_read(pdata, TX_FIFO_INF) & TX_FIFO_INF_TDFREE_;
-
-	if (unlikely(freespace < TX_FIFO_LOW_THRESHOLD))
-		SMSC_WARN(pdata, tx_err,
-			  "Tx data fifo low, space available: %d", freespace);
-
-	/* Word alignment adjustment */
-	tx_cmd_a = (u32)((ulong)skb->data & 0x03) << 16;
-	tx_cmd_a |= TX_CMD_A_FIRST_SEG_ | TX_CMD_A_LAST_SEG_;
-	tx_cmd_a |= (unsigned int)skb->len;
-
-	tx_cmd_b = ((unsigned int)skb->len) << 16;
-	tx_cmd_b |= (unsigned int)skb->len;
-
-	smsc911x_reg_write(pdata, TX_DATA_FIFO, tx_cmd_a);
-	smsc911x_reg_write(pdata, TX_DATA_FIFO, tx_cmd_b);
-
-	bufp = (ulong)skb->data & (~0x3);
-	wrsz = (u32)skb->len + 3;
-	wrsz += (u32)((ulong)skb->data & 0x3);
-	wrsz >>= 2;
-
-	pdata->ops->tx_writefifo(pdata, (unsigned int *)bufp, wrsz);
-	freespace -= (skb->len + 32);
-	skb_tx_timestamp(skb);
-	dev_kfree_skb(skb);
-
-	if (unlikely(smsc911x_tx_get_txstatcount(pdata) >= 30))
-		smsc911x_tx_update_txcounters(dev);
-
-	if (freespace < TX_FIFO_LOW_THRESHOLD) {
-		netif_stop_queue(dev);
-		temp = smsc911x_reg_read(pdata, FIFO_INT);
-		temp &= 0x00FFFFFF;
-		temp |= 0x32000000;
-		smsc911x_reg_write(pdata, FIFO_INT, temp);
-	}
-
-	return NETDEV_TX_OK;
-}
-
-/* Entry point for getting status counters */
-static struct net_device_stats *smsc911x_get_stats(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	smsc911x_tx_update_txcounters(dev);
-	dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP);
-	return &dev->stats;
-}
-
-/* Entry point for setting addressing modes */
-static void smsc911x_set_multicast_list(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	unsigned long flags;
-
-	if (dev->flags & IFF_PROMISC) {
-		/* Enabling promiscuous mode */
-		pdata->set_bits_mask = MAC_CR_PRMS_;
-		pdata->clear_bits_mask = (MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
-		pdata->hashhi = 0;
-		pdata->hashlo = 0;
-	} else if (dev->flags & IFF_ALLMULTI) {
-		/* Enabling all multicast mode */
-		pdata->set_bits_mask = MAC_CR_MCPAS_;
-		pdata->clear_bits_mask = (MAC_CR_PRMS_ | MAC_CR_HPFILT_);
-		pdata->hashhi = 0;
-		pdata->hashlo = 0;
-	} else if (!netdev_mc_empty(dev)) {
-		/* Enabling specific multicast addresses */
-		unsigned int hash_high = 0;
-		unsigned int hash_low = 0;
-		struct netdev_hw_addr *ha;
-
-		pdata->set_bits_mask = MAC_CR_HPFILT_;
-		pdata->clear_bits_mask = (MAC_CR_PRMS_ | MAC_CR_MCPAS_);
-
-		netdev_for_each_mc_addr(ha, dev) {
-			unsigned int bitnum = smsc911x_hash(ha->addr);
-			unsigned int mask = 0x01 << (bitnum & 0x1F);
-
-			if (bitnum & 0x20)
-				hash_high |= mask;
-			else
-				hash_low |= mask;
-		}
-
-		pdata->hashhi = hash_high;
-		pdata->hashlo = hash_low;
-	} else {
-		/* Enabling local MAC address only */
-		pdata->set_bits_mask = 0;
-		pdata->clear_bits_mask =
-		    (MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
-		pdata->hashhi = 0;
-		pdata->hashlo = 0;
-	}
-
-	spin_lock_irqsave(&pdata->mac_lock, flags);
-
-	if (pdata->generation <= 1) {
-		/* Older hardware revision - cannot change these flags while
-		 * receiving data */
-		if (!pdata->multicast_update_pending) {
-			unsigned int temp;
-			SMSC_TRACE(pdata, hw, "scheduling mcast update");
-			pdata->multicast_update_pending = 1;
-
-			/* Request the hardware to stop, then perform the
-			 * update when we get an RX_STOP interrupt */
-			temp = smsc911x_mac_read(pdata, MAC_CR);
-			temp &= ~(MAC_CR_RXEN_);
-			smsc911x_mac_write(pdata, MAC_CR, temp);
-		} else {
-			/* There is another update pending, this should now
-			 * use the newer values */
-		}
-	} else {
-		/* Newer hardware revision - can write immediately */
-		smsc911x_rx_multicast_update(pdata);
-	}
-
-	spin_unlock_irqrestore(&pdata->mac_lock, flags);
-}
-
-static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id)
-{
-	struct net_device *dev = dev_id;
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	u32 intsts = smsc911x_reg_read(pdata, INT_STS);
-	u32 inten = smsc911x_reg_read(pdata, INT_EN);
-	int serviced = IRQ_NONE;
-	u32 temp;
-
-	if (unlikely(intsts & inten & INT_STS_SW_INT_)) {
-		temp = smsc911x_reg_read(pdata, INT_EN);
-		temp &= (~INT_EN_SW_INT_EN_);
-		smsc911x_reg_write(pdata, INT_EN, temp);
-		smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_);
-		pdata->software_irq_signal = 1;
-		smp_wmb();
-		serviced = IRQ_HANDLED;
-	}
-
-	if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) {
-		/* Called when there is a multicast update scheduled and
-		 * it is now safe to complete the update */
-		SMSC_TRACE(pdata, intr, "RX Stop interrupt");
-		smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_);
-		if (pdata->multicast_update_pending)
-			smsc911x_rx_multicast_update_workaround(pdata);
-		serviced = IRQ_HANDLED;
-	}
-
-	if (intsts & inten & INT_STS_TDFA_) {
-		temp = smsc911x_reg_read(pdata, FIFO_INT);
-		temp |= FIFO_INT_TX_AVAIL_LEVEL_;
-		smsc911x_reg_write(pdata, FIFO_INT, temp);
-		smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_);
-		netif_wake_queue(dev);
-		serviced = IRQ_HANDLED;
-	}
-
-	if (unlikely(intsts & inten & INT_STS_RXE_)) {
-		SMSC_TRACE(pdata, intr, "RX Error interrupt");
-		smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_);
-		serviced = IRQ_HANDLED;
-	}
-
-	if (likely(intsts & inten & INT_STS_RSFL_)) {
-		if (likely(napi_schedule_prep(&pdata->napi))) {
-			/* Disable Rx interrupts */
-			temp = smsc911x_reg_read(pdata, INT_EN);
-			temp &= (~INT_EN_RSFL_EN_);
-			smsc911x_reg_write(pdata, INT_EN, temp);
-			/* Schedule a NAPI poll */
-			__napi_schedule(&pdata->napi);
-		} else {
-			SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed");
-		}
-		serviced = IRQ_HANDLED;
-	}
-
-	return serviced;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void smsc911x_poll_controller(struct net_device *dev)
-{
-	disable_irq(dev->irq);
-	smsc911x_irqhandler(0, dev);
-	enable_irq(dev->irq);
-}
-#endif				/* CONFIG_NET_POLL_CONTROLLER */
-
-static int smsc911x_set_mac_address(struct net_device *dev, void *p)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	struct sockaddr *addr = p;
-
-	/* On older hardware revisions we cannot change the mac address
-	 * registers while receiving data.  Newer devices can safely change
-	 * this at any time. */
-	if (pdata->generation <= 1 && netif_running(dev))
-		return -EBUSY;
-
-	if (!is_valid_ether_addr(addr->sa_data))
-		return -EADDRNOTAVAIL;
-
-	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
-
-	spin_lock_irq(&pdata->mac_lock);
-	smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
-	spin_unlock_irq(&pdata->mac_lock);
-
-	netdev_info(dev, "MAC Address: %pM\n", dev->dev_addr);
-
-	return 0;
-}
-
-/* Standard ioctls for mii-tool */
-static int smsc911x_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-
-	if (!netif_running(dev) || !pdata->phy_dev)
-		return -EINVAL;
-
-	return phy_mii_ioctl(pdata->phy_dev, ifr, cmd);
-}
-
-static int
-smsc911x_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-
-	cmd->maxtxpkt = 1;
-	cmd->maxrxpkt = 1;
-	return phy_ethtool_gset(pdata->phy_dev, cmd);
-}
-
-static int
-smsc911x_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-
-	return phy_ethtool_sset(pdata->phy_dev, cmd);
-}
-
-static void smsc911x_ethtool_getdrvinfo(struct net_device *dev,
-					struct ethtool_drvinfo *info)
-{
-	strlcpy(info->driver, SMSC_CHIPNAME, sizeof(info->driver));
-	strlcpy(info->version, SMSC_DRV_VERSION, sizeof(info->version));
-	strlcpy(info->bus_info, dev_name(dev->dev.parent),
-		sizeof(info->bus_info));
-}
-
-static int smsc911x_ethtool_nwayreset(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-
-	return phy_start_aneg(pdata->phy_dev);
-}
-
-static u32 smsc911x_ethtool_getmsglevel(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	return pdata->msg_enable;
-}
-
-static void smsc911x_ethtool_setmsglevel(struct net_device *dev, u32 level)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	pdata->msg_enable = level;
-}
-
-static int smsc911x_ethtool_getregslen(struct net_device *dev)
-{
-	return (((E2P_DATA - ID_REV) / 4 + 1) + (WUCSR - MAC_CR) + 1 + 32) *
-	    sizeof(u32);
-}
-
-static void
-smsc911x_ethtool_getregs(struct net_device *dev, struct ethtool_regs *regs,
-			 void *buf)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	struct phy_device *phy_dev = pdata->phy_dev;
-	unsigned long flags;
-	unsigned int i;
-	unsigned int j = 0;
-	u32 *data = buf;
-
-	regs->version = pdata->idrev;
-	for (i = ID_REV; i <= E2P_DATA; i += (sizeof(u32)))
-		data[j++] = smsc911x_reg_read(pdata, i);
-
-	for (i = MAC_CR; i <= WUCSR; i++) {
-		spin_lock_irqsave(&pdata->mac_lock, flags);
-		data[j++] = smsc911x_mac_read(pdata, i);
-		spin_unlock_irqrestore(&pdata->mac_lock, flags);
-	}
-
-	for (i = 0; i <= 31; i++)
-		data[j++] = smsc911x_mii_read(phy_dev->bus, phy_dev->addr, i);
-}
-
-static void smsc911x_eeprom_enable_access(struct smsc911x_data *pdata)
-{
-	unsigned int temp = smsc911x_reg_read(pdata, GPIO_CFG);
-	temp &= ~GPIO_CFG_EEPR_EN_;
-	smsc911x_reg_write(pdata, GPIO_CFG, temp);
-	msleep(1);
-}
-
-static int smsc911x_eeprom_send_cmd(struct smsc911x_data *pdata, u32 op)
-{
-	int timeout = 100;
-	u32 e2cmd;
-
-	SMSC_TRACE(pdata, drv, "op 0x%08x", op);
-	if (smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_) {
-		SMSC_WARN(pdata, drv, "Busy at start");
-		return -EBUSY;
-	}
-
-	e2cmd = op | E2P_CMD_EPC_BUSY_;
-	smsc911x_reg_write(pdata, E2P_CMD, e2cmd);
-
-	do {
-		msleep(1);
-		e2cmd = smsc911x_reg_read(pdata, E2P_CMD);
-	} while ((e2cmd & E2P_CMD_EPC_BUSY_) && (--timeout));
-
-	if (!timeout) {
-		SMSC_TRACE(pdata, drv, "TIMED OUT");
-		return -EAGAIN;
-	}
-
-	if (e2cmd & E2P_CMD_EPC_TIMEOUT_) {
-		SMSC_TRACE(pdata, drv, "Error occurred during eeprom operation");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int smsc911x_eeprom_read_location(struct smsc911x_data *pdata,
-					 u8 address, u8 *data)
-{
-	u32 op = E2P_CMD_EPC_CMD_READ_ | address;
-	int ret;
-
-	SMSC_TRACE(pdata, drv, "address 0x%x", address);
-	ret = smsc911x_eeprom_send_cmd(pdata, op);
-
-	if (!ret)
-		data[address] = smsc911x_reg_read(pdata, E2P_DATA);
-
-	return ret;
-}
-
-static int smsc911x_eeprom_write_location(struct smsc911x_data *pdata,
-					  u8 address, u8 data)
-{
-	u32 op = E2P_CMD_EPC_CMD_ERASE_ | address;
-	u32 temp;
-	int ret;
-
-	SMSC_TRACE(pdata, drv, "address 0x%x, data 0x%x", address, data);
-	ret = smsc911x_eeprom_send_cmd(pdata, op);
-
-	if (!ret) {
-		op = E2P_CMD_EPC_CMD_WRITE_ | address;
-		smsc911x_reg_write(pdata, E2P_DATA, (u32)data);
-
-		/* Workaround for hardware read-after-write restriction */
-		temp = smsc911x_reg_read(pdata, BYTE_TEST);
-
-		ret = smsc911x_eeprom_send_cmd(pdata, op);
-	}
-
-	return ret;
-}
-
-static int smsc911x_ethtool_get_eeprom_len(struct net_device *dev)
-{
-	return SMSC911X_EEPROM_SIZE;
-}
-
-static int smsc911x_ethtool_get_eeprom(struct net_device *dev,
-				       struct ethtool_eeprom *eeprom, u8 *data)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	u8 eeprom_data[SMSC911X_EEPROM_SIZE];
-	int len;
-	int i;
-
-	smsc911x_eeprom_enable_access(pdata);
-
-	len = min(eeprom->len, SMSC911X_EEPROM_SIZE);
-	for (i = 0; i < len; i++) {
-		int ret = smsc911x_eeprom_read_location(pdata, i, eeprom_data);
-		if (ret < 0) {
-			eeprom->len = 0;
-			return ret;
-		}
-	}
-
-	memcpy(data, &eeprom_data[eeprom->offset], len);
-	eeprom->len = len;
-	return 0;
-}
-
-static int smsc911x_ethtool_set_eeprom(struct net_device *dev,
-				       struct ethtool_eeprom *eeprom, u8 *data)
-{
-	int ret;
-	struct smsc911x_data *pdata = netdev_priv(dev);
-
-	smsc911x_eeprom_enable_access(pdata);
-	smsc911x_eeprom_send_cmd(pdata, E2P_CMD_EPC_CMD_EWEN_);
-	ret = smsc911x_eeprom_write_location(pdata, eeprom->offset, *data);
-	smsc911x_eeprom_send_cmd(pdata, E2P_CMD_EPC_CMD_EWDS_);
-
-	/* Single byte write, according to man page */
-	eeprom->len = 1;
-
-	return ret;
-}
-
-static const struct ethtool_ops smsc911x_ethtool_ops = {
-	.get_settings = smsc911x_ethtool_getsettings,
-	.set_settings = smsc911x_ethtool_setsettings,
-	.get_link = ethtool_op_get_link,
-	.get_drvinfo = smsc911x_ethtool_getdrvinfo,
-	.nway_reset = smsc911x_ethtool_nwayreset,
-	.get_msglevel = smsc911x_ethtool_getmsglevel,
-	.set_msglevel = smsc911x_ethtool_setmsglevel,
-	.get_regs_len = smsc911x_ethtool_getregslen,
-	.get_regs = smsc911x_ethtool_getregs,
-	.get_eeprom_len = smsc911x_ethtool_get_eeprom_len,
-	.get_eeprom = smsc911x_ethtool_get_eeprom,
-	.set_eeprom = smsc911x_ethtool_set_eeprom,
-};
-
-static const struct net_device_ops smsc911x_netdev_ops = {
-	.ndo_open		= smsc911x_open,
-	.ndo_stop		= smsc911x_stop,
-	.ndo_start_xmit		= smsc911x_hard_start_xmit,
-	.ndo_get_stats		= smsc911x_get_stats,
-	.ndo_set_multicast_list	= smsc911x_set_multicast_list,
-	.ndo_do_ioctl		= smsc911x_do_ioctl,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address 	= smsc911x_set_mac_address,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	.ndo_poll_controller	= smsc911x_poll_controller,
-#endif
-};
-
-/* copies the current mac address from hardware to dev->dev_addr */
-static void __devinit smsc911x_read_mac_address(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	u32 mac_high16 = smsc911x_mac_read(pdata, ADDRH);
-	u32 mac_low32 = smsc911x_mac_read(pdata, ADDRL);
-
-	dev->dev_addr[0] = (u8)(mac_low32);
-	dev->dev_addr[1] = (u8)(mac_low32 >> 8);
-	dev->dev_addr[2] = (u8)(mac_low32 >> 16);
-	dev->dev_addr[3] = (u8)(mac_low32 >> 24);
-	dev->dev_addr[4] = (u8)(mac_high16);
-	dev->dev_addr[5] = (u8)(mac_high16 >> 8);
-}
-
-/* Initializing private device structures, only called from probe */
-static int __devinit smsc911x_init(struct net_device *dev)
-{
-	struct smsc911x_data *pdata = netdev_priv(dev);
-	unsigned int byte_test;
-
-	SMSC_TRACE(pdata, probe, "Driver Parameters:");
-	SMSC_TRACE(pdata, probe, "LAN base: 0x%08lX",
-		   (unsigned long)pdata->ioaddr);
-	SMSC_TRACE(pdata, probe, "IRQ: %d", dev->irq);
-	SMSC_TRACE(pdata, probe, "PHY will be autodetected.");
-
-	spin_lock_init(&pdata->dev_lock);
-	spin_lock_init(&pdata->mac_lock);
-
-	if (pdata->ioaddr == 0) {
-		SMSC_WARN(pdata, probe, "pdata->ioaddr: 0x00000000");
-		return -ENODEV;
-	}
-
-	/* Check byte ordering */
-	byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
-	SMSC_TRACE(pdata, probe, "BYTE_TEST: 0x%08X", byte_test);
-	if (byte_test == 0x43218765) {
-		SMSC_TRACE(pdata, probe, "BYTE_TEST looks swapped, "
-			   "applying WORD_SWAP");
-		smsc911x_reg_write(pdata, WORD_SWAP, 0xffffffff);
-
-		/* 1 dummy read of BYTE_TEST is needed after a write to
-		 * WORD_SWAP before its contents are valid */
-		byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
-
-		byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
-	}
-
-	if (byte_test != 0x87654321) {
-		SMSC_WARN(pdata, drv, "BYTE_TEST: 0x%08X", byte_test);
-		if (((byte_test >> 16) & 0xFFFF) == (byte_test & 0xFFFF)) {
-			SMSC_WARN(pdata, probe,
-				  "top 16 bits equal to bottom 16 bits");
-			SMSC_TRACE(pdata, probe,
-				   "This may mean the chip is set "
-				   "for 32 bit while the bus is reading 16 bit");
-		}
-		return -ENODEV;
-	}
-
-	/* Default generation to zero (all workarounds apply) */
-	pdata->generation = 0;
-
-	pdata->idrev = smsc911x_reg_read(pdata, ID_REV);
-	switch (pdata->idrev & 0xFFFF0000) {
-	case 0x01180000:
-	case 0x01170000:
-	case 0x01160000:
-	case 0x01150000:
-		/* LAN911[5678] family */
-		pdata->generation = pdata->idrev & 0x0000FFFF;
-		break;
-
-	case 0x118A0000:
-	case 0x117A0000:
-	case 0x116A0000:
-	case 0x115A0000:
-		/* LAN921[5678] family */
-		pdata->generation = 3;
-		break;
-
-	case 0x92100000:
-	case 0x92110000:
-	case 0x92200000:
-	case 0x92210000:
-		/* LAN9210/LAN9211/LAN9220/LAN9221 */
-		pdata->generation = 4;
-		break;
-
-	default:
-		SMSC_WARN(pdata, probe, "LAN911x not identified, idrev: 0x%08X",
-			  pdata->idrev);
-		return -ENODEV;
-	}
-
-	SMSC_TRACE(pdata, probe,
-		   "LAN911x identified, idrev: 0x%08X, generation: %d",
-		   pdata->idrev, pdata->generation);
-
-	if (pdata->generation == 0)
-		SMSC_WARN(pdata, probe,
-			  "This driver is not intended for this chip revision");
-
-	/* workaround for platforms without an eeprom, where the mac address
-	 * is stored elsewhere and set by the bootloader.  This saves the
-	 * mac address before resetting the device */
-	if (pdata->config.flags & SMSC911X_SAVE_MAC_ADDRESS) {
-		spin_lock_irq(&pdata->mac_lock);
-		smsc911x_read_mac_address(dev);
-		spin_unlock_irq(&pdata->mac_lock);
-	}
-
-	/* Reset the LAN911x */
-	if (smsc911x_soft_reset(pdata))
-		return -ENODEV;
-
-	/* Disable all interrupt sources until we bring the device up */
-	smsc911x_reg_write(pdata, INT_EN, 0);
-
-	ether_setup(dev);
-	dev->flags |= IFF_MULTICAST;
-	netif_napi_add(dev, &pdata->napi, smsc911x_poll, SMSC_NAPI_WEIGHT);
-	dev->netdev_ops = &smsc911x_netdev_ops;
-	dev->ethtool_ops = &smsc911x_ethtool_ops;
-
-	return 0;
-}
-
-static int __devexit smsc911x_drv_remove(struct platform_device *pdev)
-{
-	struct net_device *dev;
-	struct smsc911x_data *pdata;
-	struct resource *res;
-
-	dev = platform_get_drvdata(pdev);
-	BUG_ON(!dev);
-	pdata = netdev_priv(dev);
-	BUG_ON(!pdata);
-	BUG_ON(!pdata->ioaddr);
-	BUG_ON(!pdata->phy_dev);
-
-	SMSC_TRACE(pdata, ifdown, "Stopping driver");
-
-	phy_disconnect(pdata->phy_dev);
-	pdata->phy_dev = NULL;
-	mdiobus_unregister(pdata->mii_bus);
-	mdiobus_free(pdata->mii_bus);
-
-	platform_set_drvdata(pdev, NULL);
-	unregister_netdev(dev);
-	free_irq(dev->irq, dev);
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-					   "smsc911x-memory");
-	if (!res)
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	release_mem_region(res->start, resource_size(res));
-
-	iounmap(pdata->ioaddr);
-
-	free_netdev(dev);
-
-	return 0;
-}
-
-/* standard register acces */
-static const struct smsc911x_ops standard_smsc911x_ops = {
-	.reg_read = __smsc911x_reg_read,
-	.reg_write = __smsc911x_reg_write,
-	.rx_readfifo = smsc911x_rx_readfifo,
-	.tx_writefifo = smsc911x_tx_writefifo,
-};
-
-/* shifted register access */
-static const struct smsc911x_ops shifted_smsc911x_ops = {
-	.reg_read = __smsc911x_reg_read_shift,
-	.reg_write = __smsc911x_reg_write_shift,
-	.rx_readfifo = smsc911x_rx_readfifo_shift,
-	.tx_writefifo = smsc911x_tx_writefifo_shift,
-};
-
-#ifdef CONFIG_OF
-static int __devinit smsc911x_probe_config_dt(
-				struct smsc911x_platform_config *config,
-				struct device_node *np)
-{
-	const char *mac;
-	u32 width = 0;
-
-	if (!np)
-		return -ENODEV;
-
-	config->phy_interface = of_get_phy_mode(np);
-
-	mac = of_get_mac_address(np);
-	if (mac)
-		memcpy(config->mac, mac, ETH_ALEN);
-
-	of_property_read_u32(np, "reg-shift", &config->shift);
-
-	of_property_read_u32(np, "reg-io-width", &width);
-	if (width == 4)
-		config->flags |= SMSC911X_USE_32BIT;
-
-	if (of_get_property(np, "smsc,irq-active-high", NULL))
-		config->irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH;
-
-	if (of_get_property(np, "smsc,irq-push-pull", NULL))
-		config->irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL;
-
-	if (of_get_property(np, "smsc,force-internal-phy", NULL))
-		config->flags |= SMSC911X_FORCE_INTERNAL_PHY;
-
-	if (of_get_property(np, "smsc,force-external-phy", NULL))
-		config->flags |= SMSC911X_FORCE_EXTERNAL_PHY;
-
-	if (of_get_property(np, "smsc,save-mac-address", NULL))
-		config->flags |= SMSC911X_SAVE_MAC_ADDRESS;
-
-	return 0;
-}
-#else
-static inline int smsc911x_probe_config_dt(
-				struct smsc911x_platform_config *config,
-				struct device_node *np)
-{
-	return -ENODEV;
-}
-#endif /* CONFIG_OF */
-
-static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
-{
-	struct device_node *np = pdev->dev.of_node;
-	struct net_device *dev;
-	struct smsc911x_data *pdata;
-	struct smsc911x_platform_config *config = pdev->dev.platform_data;
-	struct resource *res, *irq_res;
-	unsigned int intcfg = 0;
-	int res_size, irq_flags;
-	int retval;
-
-	pr_info("Driver version %s\n", SMSC_DRV_VERSION);
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-					   "smsc911x-memory");
-	if (!res)
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		pr_warn("Could not allocate resource\n");
-		retval = -ENODEV;
-		goto out_0;
-	}
-	res_size = resource_size(res);
-
-	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!irq_res) {
-		pr_warn("Could not allocate irq resource\n");
-		retval = -ENODEV;
-		goto out_0;
-	}
-
-	if (!request_mem_region(res->start, res_size, SMSC_CHIPNAME)) {
-		retval = -EBUSY;
-		goto out_0;
-	}
-
-	dev = alloc_etherdev(sizeof(struct smsc911x_data));
-	if (!dev) {
-		pr_warn("Could not allocate device\n");
-		retval = -ENOMEM;
-		goto out_release_io_1;
-	}
-
-	SET_NETDEV_DEV(dev, &pdev->dev);
-
-	pdata = netdev_priv(dev);
-
-	dev->irq = irq_res->start;
-	irq_flags = irq_res->flags & IRQF_TRIGGER_MASK;
-	pdata->ioaddr = ioremap_nocache(res->start, res_size);
-
-	pdata->dev = dev;
-	pdata->msg_enable = ((1 << debug) - 1);
-
-	if (pdata->ioaddr == NULL) {
-		SMSC_WARN(pdata, probe, "Error smsc911x base address invalid");
-		retval = -ENOMEM;
-		goto out_free_netdev_2;
-	}
-
-	retval = smsc911x_probe_config_dt(&pdata->config, np);
-	if (retval && config) {
-		/* copy config parameters across to pdata */
-		memcpy(&pdata->config, config, sizeof(pdata->config));
-		retval = 0;
-	}
-
-	if (retval) {
-		SMSC_WARN(pdata, probe, "Error smsc911x config not found");
-		goto out_unmap_io_3;
-	}
-
-	/* assume standard, non-shifted, access to HW registers */
-	pdata->ops = &standard_smsc911x_ops;
-	/* apply the right access if shifting is needed */
-	if (pdata->config.shift)
-		pdata->ops = &shifted_smsc911x_ops;
-
-	retval = smsc911x_init(dev);
-	if (retval < 0)
-		goto out_unmap_io_3;
-
-	/* configure irq polarity and type before connecting isr */
-	if (pdata->config.irq_polarity == SMSC911X_IRQ_POLARITY_ACTIVE_HIGH)
-		intcfg |= INT_CFG_IRQ_POL_;
-
-	if (pdata->config.irq_type == SMSC911X_IRQ_TYPE_PUSH_PULL)
-		intcfg |= INT_CFG_IRQ_TYPE_;
-
-	smsc911x_reg_write(pdata, INT_CFG, intcfg);
-
-	/* Ensure interrupts are globally disabled before connecting ISR */
-	smsc911x_reg_write(pdata, INT_EN, 0);
-	smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF);
-
-	retval = request_irq(dev->irq, smsc911x_irqhandler,
-			     irq_flags | IRQF_SHARED, dev->name, dev);
-	if (retval) {
-		SMSC_WARN(pdata, probe,
-			  "Unable to claim requested irq: %d", dev->irq);
-		goto out_unmap_io_3;
-	}
-
-	platform_set_drvdata(pdev, dev);
-
-	retval = register_netdev(dev);
-	if (retval) {
-		SMSC_WARN(pdata, probe, "Error %i registering device", retval);
-		goto out_unset_drvdata_4;
-	} else {
-		SMSC_TRACE(pdata, probe,
-			   "Network interface: \"%s\"", dev->name);
-	}
-
-	retval = smsc911x_mii_init(pdev, dev);
-	if (retval) {
-		SMSC_WARN(pdata, probe, "Error %i initialising mii", retval);
-		goto out_unregister_netdev_5;
-	}
-
-	spin_lock_irq(&pdata->mac_lock);
-
-	/* Check if mac address has been specified when bringing interface up */
-	if (is_valid_ether_addr(dev->dev_addr)) {
-		smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
-		SMSC_TRACE(pdata, probe,
-			   "MAC Address is specified by configuration");
-	} else if (is_valid_ether_addr(pdata->config.mac)) {
-		memcpy(dev->dev_addr, pdata->config.mac, 6);
-		SMSC_TRACE(pdata, probe,
-			   "MAC Address specified by platform data");
-	} else {
-		/* Try reading mac address from device. if EEPROM is present
-		 * it will already have been set */
-		smsc_get_mac(dev);
-
-		if (is_valid_ether_addr(dev->dev_addr)) {
-			/* eeprom values are valid  so use them */
-			SMSC_TRACE(pdata, probe,
-				   "Mac Address is read from LAN911x EEPROM");
-		} else {
-			/* eeprom values are invalid, generate random MAC */
-			random_ether_addr(dev->dev_addr);
-			smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
-			SMSC_TRACE(pdata, probe,
-				   "MAC Address is set to random_ether_addr");
-		}
-	}
-
-	spin_unlock_irq(&pdata->mac_lock);
-
-	netdev_info(dev, "MAC Address: %pM\n", dev->dev_addr);
-
-	return 0;
-
-out_unregister_netdev_5:
-	unregister_netdev(dev);
-out_unset_drvdata_4:
-	platform_set_drvdata(pdev, NULL);
-	free_irq(dev->irq, dev);
-out_unmap_io_3:
-	iounmap(pdata->ioaddr);
-out_free_netdev_2:
-	free_netdev(dev);
-out_release_io_1:
-	release_mem_region(res->start, resource_size(res));
-out_0:
-	return retval;
-}
-
-#ifdef CONFIG_PM
-/* This implementation assumes the devices remains powered on its VDDVARIO
- * pins during suspend. */
-
-/* TODO: implement freeze/thaw callbacks for hibernation.*/
-
-static int smsc911x_suspend(struct device *dev)
-{
-	struct net_device *ndev = dev_get_drvdata(dev);
-	struct smsc911x_data *pdata = netdev_priv(ndev);
-
-	/* enable wake on LAN, energy detection and the external PME
-	 * signal. */
-	smsc911x_reg_write(pdata, PMT_CTRL,
-		PMT_CTRL_PM_MODE_D1_ | PMT_CTRL_WOL_EN_ |
-		PMT_CTRL_ED_EN_ | PMT_CTRL_PME_EN_);
-
-	return 0;
-}
-
-static int smsc911x_resume(struct device *dev)
-{
-	struct net_device *ndev = dev_get_drvdata(dev);
-	struct smsc911x_data *pdata = netdev_priv(ndev);
-	unsigned int to = 100;
-
-	/* Note 3.11 from the datasheet:
-	 * 	"When the LAN9220 is in a power saving state, a write of any
-	 * 	 data to the BYTE_TEST register will wake-up the device."
-	 */
-	smsc911x_reg_write(pdata, BYTE_TEST, 0);
-
-	/* poll the READY bit in PMT_CTRL. Any other access to the device is
-	 * forbidden while this bit isn't set. Try for 100ms and return -EIO
-	 * if it failed. */
-	while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to)
-		udelay(1000);
-
-	return (to == 0) ? -EIO : 0;
-}
-
-static const struct dev_pm_ops smsc911x_pm_ops = {
-	.suspend	= smsc911x_suspend,
-	.resume		= smsc911x_resume,
-};
-
-#define SMSC911X_PM_OPS (&smsc911x_pm_ops)
-
-#else
-#define SMSC911X_PM_OPS NULL
-#endif
-
-static const struct of_device_id smsc911x_dt_ids[] = {
-	{ .compatible = "smsc,lan9115", },
-	{ /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, smsc911x_dt_ids);
-
-static struct platform_driver smsc911x_driver = {
-	.probe = smsc911x_drv_probe,
-	.remove = __devexit_p(smsc911x_drv_remove),
-	.driver = {
-		.name	= SMSC_CHIPNAME,
-		.owner	= THIS_MODULE,
-		.pm	= SMSC911X_PM_OPS,
-		.of_match_table = smsc911x_dt_ids,
-	},
-};
-
-/* Entry point for loading the module */
-static int __init smsc911x_init_module(void)
-{
-	SMSC_INITIALIZE();
-	return platform_driver_register(&smsc911x_driver);
-}
-
-/* entry point for unloading the module */
-static void __exit smsc911x_cleanup_module(void)
-{
-	platform_driver_unregister(&smsc911x_driver);
-}
-
-module_init(smsc911x_init_module);
-module_exit(smsc911x_cleanup_module);