mcs814x: remove linux 3.3 support

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 44106

9 files changed, 0 insertions, 2120 deletions

diff --git a/target/linux/mcs814x/files-3.3/drivers/char/hw_random/mcs814x-rng.c b/target/linux/mcs814x/files-3.3/drivers/char/hw_random/mcs814x-rng.c
deleted file mode 100644
index 5e3d8f2479..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/char/hw_random/mcs814x-rng.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * RNG driver for Moschip MCS814x SoC
- *
- * Copyright 2012 (C), Florian Fainelli <florian@openwrt.org>
- *
- * This file is licensed under  the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/platform_device.h>
-#include <linux/hw_random.h>
-#include <linux/io.h>
-#include <linux/of.h>
-
-#define STAT	0x00
-#define RND	0x04
-
-struct mcs814x_rng_priv {
-	void __iomem	*regs;
-};
-
-static int mcs814x_rng_data_read(struct hwrng *rng, u32 *buffer)
-{
-	struct mcs814x_rng_priv *priv = (struct mcs814x_rng_priv *)rng->priv;
-
-	*buffer = readl_relaxed(priv->regs + RND);
-
-	return 4;
-}
-
-static int mcs814x_rng_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct mcs814x_rng_priv *priv;
-	struct hwrng *rng;
-	int ret;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	rng = kzalloc(sizeof(*rng), GFP_KERNEL);
-	if (!rng) {
-		ret = -ENOMEM;
-		goto out_priv;
-	}
-
-	platform_set_drvdata(pdev, rng);
-	rng->priv = (unsigned long)priv;
-	rng->name = pdev->name;
-	rng->data_read = mcs814x_rng_data_read;
-
-	priv->regs = devm_request_and_ioremap(&pdev->dev, res);
-	if (!priv->regs) {
-		ret = -ENOMEM;
-		goto out_rng;
-	}
-
-	ret = hwrng_register(rng);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to register hwrng driver\n");
-		goto out;
-	}
-
-	dev_info(&pdev->dev, "registered\n");
-
-	return ret;
-
-out_rng:
-	platform_set_drvdata(pdev, NULL);
-	kfree(rng);
-out_priv:
-	kfree(priv);
-out:
-	return ret;
-}
-
-static int mcs814x_rng_remove(struct platform_device *pdev)
-{
-	struct hwrng *rng = platform_get_drvdata(pdev);
-	struct mcs814x_rng_priv *priv = (struct mcs814x_rng_priv *)rng->priv;
-
-	hwrng_unregister(rng);
-	kfree(priv);
-	kfree(rng);
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-static const struct of_device_id mcs814x_rng_ids[] = {
-	{ .compatible = "moschip,mcs814x-rng", },
-	{ /* sentinel */ },
-};
-
-static struct platform_driver mcs814x_rng_driver = {
-	.driver	= {
-		.name	= "mcs814x-rng",
-		.owner	= THIS_MODULE,
-		.of_match_table = mcs814x_rng_ids,
-	},
-	.probe	= mcs814x_rng_probe,
-	.remove	= __devexit_p(mcs814x_rng_remove),
-};
-
-module_platform_driver(mcs814x_rng_driver);
-
-MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
-MODULE_DESCRIPTION("H/W Random Number Generator (RNG) for Moschip MCS814x");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/mcs814x/files-3.3/drivers/gpio/gpio-mcs814x.c b/target/linux/mcs814x/files-3.3/drivers/gpio/gpio-mcs814x.c
deleted file mode 100644
index f1382290fb..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/gpio/gpio-mcs814x.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Moschip MCS814x GPIO support
- *
- * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
- *
- * Licensed under the GPLv2
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-struct mcs814x_gpio_chip {
-	void __iomem *regs;
-	struct gpio_chip chip;
-};
-
-#define GPIO_PIN	0x00
-#define GPIO_DIR	0x04
-
-#define to_mcs814x_gpio_chip(x)	container_of(x, struct mcs814x_gpio_chip, chip)
-
-static int mcs814x_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
-	struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-
-	return readl_relaxed(mcs814x->regs + GPIO_PIN) & (1 << offset);
-}
-
-static void mcs814x_gpio_set(struct gpio_chip *chip,
-				unsigned offset, int value)
-{
-	struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-	u32 mask;
-
-	mask = readl_relaxed(mcs814x->regs + GPIO_PIN);
-	if (value)
-		mask |= (1 << offset);
-	else
-		mask &= ~(1 << offset);
-	writel_relaxed(mask, mcs814x->regs + GPIO_PIN);
-}
-
-static int mcs814x_gpio_direction_output(struct gpio_chip *chip,
-					unsigned offset, int value)
-{
-	struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-	u32 mask;
-
-	mask = readl_relaxed(mcs814x->regs + GPIO_DIR);
-	mask &= ~(1 << offset);
-	writel_relaxed(mask, mcs814x->regs + GPIO_DIR);
-
-	return 0;
-}
-
-static int mcs814x_gpio_direction_input(struct gpio_chip *chip,
-					unsigned offset)
-{
-	struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-	u32 mask;
-
-	mask = readl_relaxed(mcs814x->regs + GPIO_DIR);
-	mask |= (1 << offset);
-	writel_relaxed(mask, mcs814x->regs + GPIO_DIR);
-
-	return 0;
-}
-
-static int __devinit mcs814x_gpio_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct mcs814x_gpio_chip *mcs814x_chip;
-	int ret;
-	const unsigned int *num_gpios;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	num_gpios = of_get_property(pdev->dev.of_node, "num-gpios", NULL);
-	if (!num_gpios)
-		dev_err(&pdev->dev, "FIXME: no num-gpios property\n");
-
-	mcs814x_chip = kzalloc(sizeof(*mcs814x_chip), GFP_KERNEL);
-	if (!mcs814x_chip)
-		return -ENOMEM;
-
-	mcs814x_chip->regs = devm_request_and_ioremap(&pdev->dev, res);
-	if (!mcs814x_chip->regs) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	platform_set_drvdata(pdev, mcs814x_chip);
-
-#ifdef CONFIG_OF_GPIO
-	mcs814x_chip->chip.of_node = pdev->dev.of_node;
-#endif
-
-	mcs814x_chip->chip.label = pdev->name;
-	mcs814x_chip->chip.get = mcs814x_gpio_get;
-	mcs814x_chip->chip.set = mcs814x_gpio_set;
-	mcs814x_chip->chip.direction_input = mcs814x_gpio_direction_input;
-	mcs814x_chip->chip.direction_output = mcs814x_gpio_direction_output;
-	mcs814x_chip->chip.ngpio = be32_to_cpup(num_gpios);
-	/* we want dynamic base allocation */
-	mcs814x_chip->chip.base = -1;
-
-	ret = gpiochip_add(&mcs814x_chip->chip);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to register gpiochip\n");
-		goto out;
-	}
-
-	return 0;
-
-out:
-	platform_set_drvdata(pdev, NULL);
-	kfree(mcs814x_chip);
-	return ret;
-}
-
-static struct of_device_id mcs814x_gpio_ids[] __devinitdata = {
-	{ .compatible = "moschip,mcs814x-gpio" },
-	{ /* sentinel */ },
-};
-
-static struct platform_driver mcs814x_gpio_driver = {
-	.driver	= {
-		.name	= "mcs814x-gpio",
-		.owner	= THIS_MODULE,
-		.of_match_table = mcs814x_gpio_ids,
-	},
-	.probe	= mcs814x_gpio_probe,
-};
-
-int __init mcs814x_gpio_init(void)
-{
-	return platform_driver_register(&mcs814x_gpio_driver);
-}
-postcore_initcall(mcs814x_gpio_init);
diff --git a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/Kconfig b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/Kconfig
deleted file mode 100644
index 8fa38a4091..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/Kconfig
+++ /dev/null
@@ -1,4 +0,0 @@
-config  NUPORT_ETHERNET_DRIVER
-	tristate "MCS8140 Ethernet driver"
-	depends on ETHERNET && ARCH_MCS814X
-          help
diff --git a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/Makefile b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/Makefile
deleted file mode 100644
index 9719c51b7f..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-obj-$(CONFIG_NUPORT_ETHERNET_DRIVER)   += mcs8140.o
-
-mcs8140-objs  := nuport_mac.o 
diff --git a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
deleted file mode 100644
index f11f425a00..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
+++ /dev/null
@@ -1,1206 +0,0 @@
-/*
- * Moschip MCS8140 Ethernet MAC driver
- *
- * Copyright (C) 2003, Moschip Semiconductors
- * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
- *
- * Licensed under GPLv2
- */
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/delay.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/of_mdio.h>
-#include <linux/of_net.h>
-#include <linux/irq.h>
-#include <linux/err.h>
-#include <linux/phy.h>
-#include <linux/clk.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/unaligned.h>
-#include <asm/sizes.h>
-
-/* Hardware registers */
-#define MAC_BASE_ADDR		((priv->mac_base))
-
-#define CTRL_REG		(MAC_BASE_ADDR)
-#define  MII_BUSY		(1 << 0)
-#define  MII_WRITE		(1 << 1)
-#define  RX_ENABLE		(1 << 2)
-#define  TX_ENABLE		(1 << 3)
-#define  DEFER_CHECK		(1 << 5)
-#define  STRIP_PAD		(1 << 8)
-#define  DRTRY_DISABLE		(1 << 10)
-#define  FULL_DUPLEX		(1 << 20)
-#define  HBD_DISABLE		(1 << 28)
-#define MAC_ADDR_HIGH_REG	(MAC_BASE_ADDR + 0x04)
-#define MAC_ADDR_LOW_REG	(MAC_BASE_ADDR + 0x08)
-#define MII_ADDR_REG		(MAC_BASE_ADDR + 0x14)
-#define  MII_ADDR_SHIFT		(11)
-#define  MII_REG_SHIFT		(6)
-#define MII_DATA_REG		(MAC_BASE_ADDR + 0x18)
-/* Link interrupt registers */
-#define LINK_INT_CSR		(MAC_BASE_ADDR + 0xD0)
-#define  LINK_INT_EN		(1 << 0)
-#define  LINK_PHY_ADDR_SHIFT	(1)
-#define  LINK_PHY_REG_SHIFT	(6)
-#define  LINK_BIT_UP_SHIFT	(11)
-#define  LINK_UP		(1 << 16)
-#define LINK_INT_POLL_TIME	(MAC_BASE_ADDR + 0xD4)
-#define  LINK_POLL_MASK		((1 << 20) - 1)
-
-#define DMA_CHAN_WIDTH		32
-#define DMA_RX_CHAN		0
-#define DMA_TX_CHAN		2
-
-/* Receive DMA registers */
-#define RX_DMA_BASE		((priv->dma_base) + \
-				(DMA_CHAN_WIDTH * DMA_RX_CHAN))
-#define RX_BUFFER_ADDR		(RX_DMA_BASE + 0x00)
-#define RX_MAX_BYTES		(RX_DMA_BASE + 0x04)
-#define RX_ACT_BYTES		(RX_DMA_BASE + 0x08)
-#define RX_START_DMA		(RX_DMA_BASE + 0x0C)
-#define  RX_DMA_ENABLE		(1 << 0)
-#define  RX_DMA_RESET		(1 << 1)
-#define  RX_DMA_STATUS_FIFO	(1 << 12)
-#define RX_DMA_ENH		(RX_DMA_BASE + 0x14)
-#define  RX_DMA_INT_ENABLE	(1 << 1)
-
-/* Transmit DMA registers */
-#define TX_DMA_BASE		((priv->dma_base) + \
-				(DMA_CHAN_WIDTH * DMA_TX_CHAN))
-#define TX_BUFFER_ADDR		(TX_DMA_BASE + 0x00)
-#define TX_PKT_BYTES		(TX_DMA_BASE + 0x04)
-#define TX_BYTES_SENT		(TX_DMA_BASE + 0x08)
-#define TX_START_DMA		(TX_DMA_BASE + 0x0C)
-#define  TX_DMA_ENABLE		(1 << 0)
-#define  TX_DMA_START_FRAME	(1 << 2)
-#define  TX_DMA_END_FRAME	(1 << 3)
-#define  TX_DMA_PAD_DISABLE	(1 << 8)
-#define  TX_DMA_CRC_DISABLE	(1 << 9)
-#define  TX_DMA_FIFO_FULL	(1 << 16)
-#define  TX_DMA_FIFO_EMPTY	(1 << 17)
-#define  TX_DMA_STATUS_AVAIL	(1 << 18)
-#define  TX_DMA_RESET		(1 << 24)
-#define TX_DMA_STATUS		(TX_DMA_BASE + 0x10)
-#define TX_DMA_ENH		(TX_DMA_BASE + 0x14)
-#define  TX_DMA_ENH_ENABLE	(1 << 0)
-#define  TX_DMA_INT_FIFO	(1 << 1)
-
-#define RX_ALLOC_SIZE		SZ_2K
-#define MAX_ETH_FRAME_SIZE	1536
-#define RX_SKB_TAILROOM		128
-#define RX_SKB_HEADROOM		(RX_ALLOC_SIZE  - \
-				(MAX_ETH_FRAME_SIZE + RX_SKB_TAILROOM) + 0)
-
-			/* WDT     Late COL    Lenght     COL      Type */
-#define ERROR_FILTER_MASK ((1<<14) | (1<<15) | (1<<16) | (1<<17) | (0<<18) | \
-			/* MII    Dribbling    CRC    Len/type   Control */\
-			(1<<19) | (1<<20) | (1<<21) | (0<<24) | (1<<25) | \
-			/* Unsup   Missed */\
-			(1<<26) | (0<<31))
-#define  TX_RING_SIZE  30
-#define  RX_RING_SIZE  30
-
-static inline u32 nuport_mac_readl(void __iomem *reg)
-{
-	return readl_relaxed(reg);
-}
-
-static inline u8 nuport_mac_readb(void __iomem *reg)
-{
-	return readb_relaxed(reg);
-}
-
-static inline void nuport_mac_writel(u32 value, void __iomem *reg)
-{
-	writel_relaxed(value, reg);
-}
-
-static inline void nuport_mac_writeb(u8 value, void __iomem *reg)
-{
-	writel_relaxed(value, reg);
-}
-
-/* MAC private data */
-struct nuport_mac_priv {
-	spinlock_t lock;
-
-	void __iomem	*mac_base;
-	void __iomem	*dma_base;
-
-	int		rx_irq;
-	int		tx_irq;
-	int		link_irq;
-	struct clk	*emac_clk;
-	struct clk	*ephy_clk;
-
-	/* Transmit buffers */
-	struct sk_buff *tx_skb[TX_RING_SIZE];
-	dma_addr_t tx_addr;
-	unsigned int valid_txskb[TX_RING_SIZE];
-	unsigned int cur_tx;
-	unsigned int dma_tx;
-	unsigned int tx_full;
-
-	/* Receive buffers */
-	struct sk_buff *rx_skb[RX_RING_SIZE];
-	dma_addr_t rx_addr;
-	unsigned int irq_rxskb[RX_RING_SIZE];
-	int pkt_len[RX_RING_SIZE];
-	unsigned int cur_rx;
-	unsigned int dma_rx;
-	unsigned int rx_full;
-
-	unsigned int first_pkt;
-
-	/* Private data */
-	struct napi_struct napi;
-	struct net_device	*dev;
-	struct platform_device	*pdev;
-	struct mii_bus		*mii_bus;
-	struct phy_device	*phydev;
-	struct device_node	*phy_node;
-	phy_interface_t		phy_interface;
-	int			old_link;
-	int			old_duplex;
-	u32			msg_level;
-	unsigned int		buffer_shifting_len;
-};
-
-static inline int nuport_mac_mii_busy_wait(struct nuport_mac_priv *priv)
-{
-	unsigned long curr;
-	unsigned long finish = jiffies + 3 * HZ;
-
-	do {
-		curr = jiffies;
-		if (!(nuport_mac_readl(MII_ADDR_REG) & MII_BUSY))
-			return 0;
-		cpu_relax();
-	} while (!time_after_eq(curr, finish));
-
-	return -EBUSY;
-}
-
-/* Read from PHY registers */
-static int nuport_mac_mii_read(struct mii_bus *bus,
-				int mii_id, int regnum)
-{
-	struct net_device *dev = bus->priv;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	int ret;
-	u32 val = 0;
-
-	ret = nuport_mac_mii_busy_wait(priv);
-	if (ret)
-		return ret;
-
-	val |= (mii_id << MII_ADDR_SHIFT) | (regnum << MII_REG_SHIFT) | MII_BUSY;
-	nuport_mac_writel(val, MII_ADDR_REG);
-	ret = nuport_mac_mii_busy_wait(priv);
-	if (ret)
-		return ret;
-
-	return nuport_mac_readl(MII_DATA_REG);
-}
-
-static int nuport_mac_mii_write(struct mii_bus *bus, int mii_id,
-				int regnum, u16 value)
-{
-	struct net_device *dev = bus->priv;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	int ret;
-	u32 val = 0;
-
-	ret = nuport_mac_mii_busy_wait(priv);
-	if (ret)
-		return ret;
-
-	val |= (mii_id << MII_ADDR_SHIFT) | (regnum << MII_REG_SHIFT);
-	val |= MII_BUSY | MII_WRITE;
-	nuport_mac_writel(value, MII_DATA_REG);
-	nuport_mac_writel(val, MII_ADDR_REG);
-
-	return nuport_mac_mii_busy_wait(priv);
-}
-
-static int nuport_mac_mii_reset(struct mii_bus *bus)
-{
-	return 0;
-}
-
-static int nuport_mac_start_tx_dma(struct nuport_mac_priv *priv,
-					struct sk_buff *skb)
-{
-	u32 reg;
-	unsigned int timeout = 2048;
-
-	while (timeout--) {
-		reg = nuport_mac_readl(TX_START_DMA);
-		if (!(reg & TX_DMA_ENABLE)) {
-			netdev_dbg(priv->dev, "dma ready\n");
-			break;
-		}
-		cpu_relax();
-	}
-
-	if (!timeout)
-		return -EBUSY;
-
-	priv->tx_addr = dma_map_single(&priv->pdev->dev, skb->data,
-			skb->len, DMA_TO_DEVICE);
-	if (dma_mapping_error(&priv->pdev->dev, priv->tx_addr))
-		return -ENOMEM;
-
-	/* enable enhanced mode */
-	nuport_mac_writel(TX_DMA_ENH_ENABLE, TX_DMA_ENH);
-	nuport_mac_writel(priv->tx_addr, TX_BUFFER_ADDR);
-	nuport_mac_writel((skb->len) - 1, TX_PKT_BYTES);
-	wmb();
-	reg = TX_DMA_ENABLE | TX_DMA_START_FRAME | TX_DMA_END_FRAME;
-	nuport_mac_writel(reg, TX_START_DMA);
-
-	return 0;
-}
-
-static void nuport_mac_reset_tx_dma(struct nuport_mac_priv *priv)
-{
-	u32 reg;
-
-	reg = nuport_mac_readl(TX_START_DMA);
-	reg |= TX_DMA_RESET;
-	nuport_mac_writel(reg, TX_START_DMA);
-}
-
-static int nuport_mac_start_rx_dma(struct nuport_mac_priv *priv,
-					struct sk_buff *skb)
-{
-	u32 reg;
-	unsigned int timeout = 2048;
-
-	while (timeout--) {
-		reg = nuport_mac_readl(RX_START_DMA);
-		if (!(reg & RX_DMA_ENABLE)) {
-			netdev_dbg(priv->dev, "dma ready\n");
-			break;
-		}
-		cpu_relax();
-	}
-
-	if (!timeout)
-		return -EBUSY;
-
-	priv->rx_addr = dma_map_single(&priv->pdev->dev, skb->data,
-				RX_ALLOC_SIZE, DMA_FROM_DEVICE);
-	if (dma_mapping_error(&priv->pdev->dev, priv->rx_addr))
-		return -ENOMEM;
-
-	nuport_mac_writel(priv->rx_addr, RX_BUFFER_ADDR);
-	wmb();
-	nuport_mac_writel(RX_DMA_ENABLE, RX_START_DMA);
-
-	return 0;
-}
-
-static void nuport_mac_reset_rx_dma(struct nuport_mac_priv *priv)
-{
-	u32 reg;
-
-	reg = nuport_mac_readl(RX_START_DMA);
-	reg |= RX_DMA_RESET;
-	nuport_mac_writel(reg, RX_START_DMA);
-}
-
-/* I suppose this might do something, but I am not sure actually */
-static void nuport_mac_disable_rx_dma(struct nuport_mac_priv *priv)
-{
-	u32 reg;
-
-	reg = nuport_mac_readl(RX_DMA_ENH);
-	reg &= ~RX_DMA_INT_ENABLE;
-	nuport_mac_writel(reg, RX_DMA_ENH);
-}
-
-static void nuport_mac_enable_rx_dma(struct nuport_mac_priv *priv)
-{
-	u32 reg;
-
-	reg = nuport_mac_readl(RX_DMA_ENH);
-	reg |= RX_DMA_INT_ENABLE;
-	nuport_mac_writel(reg, RX_DMA_ENH);
-}
-
-/* Add packets to the transmit queue */
-static int nuport_mac_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	unsigned long flags;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	int ret;
-
-	if (netif_queue_stopped(dev)) {
-		netdev_warn(dev, "netif queue was stopped, restarting\n");
-		netif_start_queue(dev);
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-	if (priv->first_pkt) {
-		ret = nuport_mac_start_tx_dma(priv, skb);
-		if (ret) {
-			netif_stop_queue(dev);
-			spin_unlock_irqrestore(&priv->lock, flags);
-			netdev_err(dev, "transmit path busy\n");
-			return NETDEV_TX_BUSY;
-		}
-		priv->first_pkt = 0;
-	}
-
-	priv->tx_skb[priv->cur_tx] = skb;
-	dev->stats.tx_bytes += skb->len;
-	dev->stats.tx_packets++;
-	priv->valid_txskb[priv->cur_tx] = 1;
-	priv->cur_tx++;
-	dev->trans_start = jiffies;
-
-	if (priv->cur_tx >= TX_RING_SIZE)
-		priv->cur_tx = 0;
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (priv->valid_txskb[priv->cur_tx]) {
-		priv->tx_full = 1;
-		netdev_err(dev, "stopping queue\n");
-		netif_stop_queue(dev);
-	}
-
-	return NETDEV_TX_OK;
-}
-
-static void nuport_mac_adjust_link(struct net_device *dev)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	struct phy_device *phydev = priv->phydev;
-	unsigned int status_changed = 0;
-	u32 reg;
-
-	BUG_ON(!phydev);
-
-	if (priv->old_link != phydev->link) {
-		status_changed = 1;
-		priv->old_link = phydev->link;
-	}
-
-	if (phydev->link && (priv->old_duplex != phydev->duplex)) {
-		reg = nuport_mac_readl(CTRL_REG);
-		if (phydev->duplex == DUPLEX_FULL)
-			reg |= DUPLEX_FULL;
-		else
-			reg &= ~DUPLEX_FULL;
-		nuport_mac_writel(reg, CTRL_REG);
-
-		status_changed = 1;
-		priv->old_duplex = phydev->duplex;
-	}
-
-	if (!status_changed)
-		return;
-
-	pr_info("%s: link %s", dev->name, phydev->link ?
-		"UP" : "DOWN");
-	if (phydev->link) {
-		pr_cont(" - %d/%s", phydev->speed,
-		phydev->duplex == DUPLEX_FULL ? "full" : "half");
-	}
-	pr_cont("\n");
-}
-
-static irqreturn_t nuport_mac_link_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = dev_id;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	u32 reg;
-	u8 phy_addr;
-	unsigned long flags;
-	irqreturn_t ret = IRQ_HANDLED;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	reg = nuport_mac_readl(LINK_INT_CSR);
-	phy_addr = (reg >> LINK_PHY_ADDR_SHIFT) & (PHY_MAX_ADDR - 1);
-
-	if (phy_addr != priv->phydev->addr) {
-		netdev_err(dev, "spurious PHY irq (phy: %d)\n", phy_addr);
-		ret = IRQ_NONE;
-		goto out;
-	}
-
-	priv->phydev->link = (reg & LINK_UP);
-	nuport_mac_adjust_link(dev);
-
-out:
-	spin_unlock_irqrestore(&priv->lock, flags);
-	return ret;
-}
-
-static irqreturn_t nuport_mac_tx_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = (struct net_device *)dev_id;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	struct sk_buff *skb;
-	unsigned long flags;
-	int ret;
-	u32 reg;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	/* clear status word available if ready */
-	reg = nuport_mac_readl(TX_START_DMA);
-	if (reg & TX_DMA_STATUS_AVAIL) {
-		nuport_mac_writel(reg, TX_START_DMA);
-		reg = nuport_mac_readl(TX_DMA_STATUS);
-
-		if (reg & 1)
-			dev->stats.tx_errors++;
-	} else
-		netdev_dbg(dev, "no status word: %08x\n", reg);
-
-	skb = priv->tx_skb[priv->dma_tx];
-	priv->tx_skb[priv->dma_tx] = NULL;
-	priv->valid_txskb[priv->dma_tx] = 0;
-	dma_unmap_single(&priv->pdev->dev, priv->rx_addr, skb->len,
-				DMA_TO_DEVICE);
-	dev_kfree_skb_irq(skb);
-
-	priv->dma_tx++;
-	if (priv->dma_tx >= TX_RING_SIZE)
-		priv->dma_tx = 0;
-
-	if (!priv->valid_txskb[priv->dma_tx])
-		priv->first_pkt = 1;
-	else {
-		ret = nuport_mac_start_tx_dma(priv, priv->tx_skb[priv->dma_tx]);
-		if (ret)
-			netdev_err(dev, "failed to restart TX dma\n");
-	}
-
-	if (priv->tx_full) {
-		netdev_dbg(dev, "restarting transmit queue\n");
-		netif_wake_queue(dev);
-		priv->tx_full = 0;
-	}
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return IRQ_HANDLED;
-}
-
-static unsigned int nuport_mac_has_work(struct nuport_mac_priv *priv)
-{
-	unsigned int i;
-
-	for (i = 0; i < RX_RING_SIZE; i++)
-		if (priv->rx_skb[i])
-			return 1;
-
-	return 0;
-}
-
-static irqreturn_t nuport_mac_rx_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = (struct net_device *)dev_id;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	unsigned long flags;
-	int ret;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	if (!priv->rx_full) {
-		priv->pkt_len[priv->dma_rx] = nuport_mac_readl(RX_ACT_BYTES) - 4;
-		priv->irq_rxskb[priv->dma_rx] = 0;
-		priv->dma_rx++;
-
-		if (priv->dma_rx >= RX_RING_SIZE)
-			priv->dma_rx = 0;
-	} else
-		priv->rx_full = 0;
-
-	if (priv->irq_rxskb[priv->dma_rx] == 1) {
-		ret = nuport_mac_start_rx_dma(priv, priv->rx_skb[priv->dma_rx]);
-		if (ret)
-			netdev_err(dev, "failed to start rx dma\n");
-	} else {
-		priv->rx_full = 1;
-		netdev_dbg(dev, "RX ring full\n");
-	}
-
-	if (likely(nuport_mac_has_work(priv))) {
-		/* find a way to disable DMA rx irq */
-		nuport_mac_disable_rx_dma(priv);
-		napi_schedule(&priv->napi);
-	}
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return IRQ_HANDLED;
-}
-
-/* Process received packets in tasklet */
-static int nuport_mac_rx(struct net_device *dev, int limit)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	struct sk_buff *skb;
-	int len, status;
-	int count = 0;
-
-	while (count < limit && !priv->irq_rxskb[priv->cur_rx]) {
-		skb = priv->rx_skb[priv->cur_rx];
-		len = priv->pkt_len[priv->cur_rx];
-
-		/* Remove 2 bytes added by RX buffer shifting */
-		len = len - priv->buffer_shifting_len;
-		skb->data = skb->data + priv->buffer_shifting_len;
-
-		/* Get packet status */
-		status = get_unaligned((u32 *) (skb->data + len));
-
-		dma_unmap_single(&priv->pdev->dev, priv->rx_addr, skb->len,
-				DMA_FROM_DEVICE);
-
-		/* packet filter failed */
-		if (!(status & (1 << 30))) {
-			dev_kfree_skb_irq(skb);
-			goto exit;
-		}
-
-		/* missed frame */
-		if (status & (1 << 31)) {
-			dev->stats.rx_missed_errors++;
-			dev_kfree_skb_irq(skb);
-			goto exit;
-		}
-
-		/* Not ethernet type */
-		if ((!(status & (1 << 18))) || (status & ERROR_FILTER_MASK))
-			dev->stats.rx_errors++;
-
-		if (len > MAX_ETH_FRAME_SIZE) {
-			dev_kfree_skb_irq(skb);
-			goto exit;
-		} else
-			skb_put(skb, len);
-
-		skb->protocol = eth_type_trans(skb, dev);
-		dev->stats.rx_packets++;
-
-		if (status & (1 << 29))
-			skb->pkt_type = PACKET_OTHERHOST;
-		if (status & (1 << 27))
-			skb->pkt_type = PACKET_MULTICAST;
-		if (status & (1 << 28))
-			skb->pkt_type = PACKET_BROADCAST;
-
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-
-		/* Pass the received packet to network layer */
-		status = netif_receive_skb(skb);
-		if (status != NET_RX_DROP)
-			dev->stats.rx_bytes += len - 4;	/* Without CRC */
-		else
-			dev->stats.rx_dropped++;
-
-		dev->last_rx = jiffies;
-
-exit:
-		skb = netdev_alloc_skb(dev, RX_ALLOC_SIZE);
-		if (!skb)
-			goto out;
-
-		skb_reserve(skb, RX_SKB_HEADROOM);
-		priv->rx_skb[priv->cur_rx] = skb;
-		priv->irq_rxskb[priv->cur_rx] = 1;
-		priv->cur_rx++;
-
-		if (priv->cur_rx >= RX_RING_SIZE)
-			priv->cur_rx = 0;
-		count++;
-	}
-out:
-	return count;
-}
-
-static int nuport_mac_poll(struct napi_struct *napi, int budget)
-{
-	struct nuport_mac_priv *priv =
-		container_of(napi, struct nuport_mac_priv, napi);
-	struct net_device *dev = priv->dev;
-	int work_done;
-
-	work_done = nuport_mac_rx(dev, budget);
-
-	if (work_done < budget) {
-		napi_complete(napi);
-		nuport_mac_enable_rx_dma(priv);
-	}
-
-	return work_done;
-}
-
-static void nuport_mac_init_tx_ring(struct nuport_mac_priv *priv)
-{
-	int i;
-
-	priv->cur_tx = priv->dma_tx = priv->tx_full = 0;
-	for (i = 0; i < TX_RING_SIZE; i++) {
-		priv->tx_skb[i] = NULL;
-		priv->valid_txskb[i] = 0;
-	}
-	priv->first_pkt = 1;
-}
-
-static int nuport_mac_init_rx_ring(struct net_device *dev)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	struct sk_buff *skb;
-	int i;
-
-	priv->cur_rx = priv->dma_rx = priv->rx_full = 0;
-
-	for (i = 0; i < RX_RING_SIZE; i++) {
-		skb = netdev_alloc_skb(dev, RX_ALLOC_SIZE);
-		if (!skb)
-			return -ENOMEM;
-		skb_reserve(skb, RX_SKB_HEADROOM);
-		priv->rx_skb[i] = skb;
-		priv->irq_rxskb[i] = 1;
-	}
-
-	return 0;
-}
-
-static void nuport_mac_free_rx_ring(struct nuport_mac_priv *priv)
-{
-	int i;
-
-	for (i = 0; i < RX_RING_SIZE; i++) {
-		if (!priv->rx_skb[i])
-			continue;
-
-		dev_kfree_skb(priv->rx_skb[i]);
-		priv->rx_skb[i] = NULL;
-	}
-
-	if (priv->rx_addr)
-		dma_unmap_single(&priv->pdev->dev, priv->rx_addr, RX_ALLOC_SIZE,
-				DMA_TO_DEVICE);
-}
-
-static void nuport_mac_read_mac_address(struct net_device *dev)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	int i;
-
-	for (i = 0; i < 4; i++)
-		dev->dev_addr[i] = nuport_mac_readb(MAC_ADDR_LOW_REG + i);
-	dev->dev_addr[4] = nuport_mac_readb(MAC_ADDR_HIGH_REG);
-	dev->dev_addr[5] = nuport_mac_readb(MAC_ADDR_HIGH_REG + 1);
-
-	if (!is_valid_ether_addr(dev->dev_addr)) {
-		dev_info(&priv->pdev->dev, "using random address\n");
-		random_ether_addr(dev->dev_addr);
-	}
-}
-
-static int nuport_mac_change_mac_address(struct net_device *dev, void *mac_addr)
-{
-	struct sockaddr *addr = mac_addr;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	unsigned long *temp = (unsigned long *)dev->dev_addr;
-	u32 high, low;
-
-	if (netif_running(dev))
-		return -EBUSY;
-
-	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
-
-	spin_lock_irq(&priv->lock);
-
-	nuport_mac_writel(*temp, MAC_ADDR_LOW_REG);
-	temp = (unsigned long *)(dev->dev_addr + 4);
-	nuport_mac_writel(*temp, MAC_ADDR_HIGH_REG);
-
-	low = nuport_mac_readl(MAC_ADDR_LOW_REG);
-	high = nuport_mac_readl(MAC_ADDR_HIGH_REG);
-
-	spin_unlock_irq(&priv->lock);
-
-	return 0;
-}
-
-static int nuport_mac_open(struct net_device *dev)
-{
-	int ret;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	unsigned long flags;
-	u32 reg = 0;
-
-	ret = clk_enable(priv->emac_clk);
-	if (ret) {
-		netdev_err(dev, "failed to enable EMAC clock\n");
-		return ret;
-	}
-
-	/* Set MAC into full duplex mode by default */
-	reg |= RX_ENABLE | TX_ENABLE;
-	reg |= DEFER_CHECK | STRIP_PAD | DRTRY_DISABLE;
-	reg |= FULL_DUPLEX | HBD_DISABLE;
-	nuport_mac_writel(reg, CTRL_REG);
-
-	/* set mac address in hardware in case it was not already */
-	nuport_mac_change_mac_address(dev, dev->dev_addr);
-
-	ret = request_irq(priv->link_irq, &nuport_mac_link_interrupt,
-				0, dev->name, dev);
-	if (ret) {
-		netdev_err(dev, "unable to request link interrupt\n");
-		goto out_emac_clk;
-	}
-
-	ret = request_irq(priv->tx_irq, &nuport_mac_tx_interrupt,
-				0, dev->name, dev);
-	if (ret) {
-		netdev_err(dev, "unable to request rx interrupt\n");
-		goto out_link_irq;
-	}
-
-	/* Enable link interrupt monitoring for our PHY address */
-	reg = LINK_INT_EN | (priv->phydev->addr << LINK_PHY_ADDR_SHIFT);
-	/* MII_BMSR register to be watched */
-	reg |= (1 << LINK_PHY_REG_SHIFT);
-	/* BMSR_STATUS to be watched in particular */
-	reg |= (2 << LINK_BIT_UP_SHIFT);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	nuport_mac_writel(reg, LINK_INT_CSR);
-	nuport_mac_writel(LINK_POLL_MASK, LINK_INT_POLL_TIME);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	phy_start(priv->phydev);
-
-	ret = request_irq(priv->rx_irq, &nuport_mac_rx_interrupt,
-				0, dev->name, dev);
-	if (ret) {
-		netdev_err(dev, "unable to request tx interrupt\n");
-		goto out_tx_irq;
-	}
-
-	netif_start_queue(dev);
-
-	nuport_mac_init_tx_ring(priv);
-
-	ret = nuport_mac_init_rx_ring(dev);
-	if (ret) {
-		netdev_err(dev, "rx ring init failed\n");
-		goto out_rx_skb;
-	}
-
-	nuport_mac_reset_tx_dma(priv);
-	nuport_mac_reset_rx_dma(priv);
-
-	/* Start RX DMA */
-	spin_lock_irqsave(&priv->lock, flags);
-	ret = nuport_mac_start_rx_dma(priv, priv->rx_skb[0]);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	napi_enable(&priv->napi);
-
-	return ret;
-
-out_rx_skb:
-	nuport_mac_free_rx_ring(priv);
-	free_irq(priv->rx_irq, dev);
-out_tx_irq:
-	free_irq(priv->tx_irq, dev);
-out_link_irq:
-	free_irq(priv->link_irq, dev);
-out_emac_clk:
-	clk_disable(priv->emac_clk);
-	return ret;
-}
-
-static int nuport_mac_close(struct net_device *dev)
-{
-	u32 reg;
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-
-	spin_lock_irq(&priv->lock);
-	reg = nuport_mac_readl(CTRL_REG);
-	reg &= ~(RX_ENABLE | TX_ENABLE);
-	nuport_mac_writel(reg, CTRL_REG);
-
-	napi_disable(&priv->napi);
-	netif_stop_queue(dev);
-
-	free_irq(priv->link_irq, dev);
-	/* disable PHY polling */
-	nuport_mac_writel(0, LINK_INT_CSR);
-	nuport_mac_writel(0, LINK_INT_POLL_TIME);
-	phy_stop(priv->phydev);
-
-	free_irq(priv->tx_irq, dev);
-	free_irq(priv->rx_irq, dev);
-	spin_unlock_irq(&priv->lock);
-
-	nuport_mac_free_rx_ring(priv);
-
-	clk_disable(priv->emac_clk);
-
-	return 0;
-}
-
-static void nuport_mac_tx_timeout(struct net_device *dev)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	unsigned int i;
-
-	netdev_warn(dev, "transmit timeout, attempting recovery\n");
-
-	netdev_info(dev, "TX DMA regs\n");
-	for (i = 0; i < DMA_CHAN_WIDTH; i += 4)
-		netdev_info(dev, "[%02x]: 0x%08x\n", i, nuport_mac_readl(TX_DMA_BASE + i));
-	netdev_info(dev, "RX DMA regs\n");
-	for (i = 0; i < DMA_CHAN_WIDTH; i += 4)
-		netdev_info(dev, "[%02x]: 0x%08x\n", i, nuport_mac_readl(RX_DMA_BASE + i));
-
-	nuport_mac_init_tx_ring(priv);
-	nuport_mac_reset_tx_dma(priv);
-
-	netif_wake_queue(dev);
-}
-
-static int nuport_mac_mii_probe(struct net_device *dev)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-	struct phy_device *phydev = NULL;
-	int ret;
-
-	ret = clk_enable(priv->ephy_clk);
-	if (ret) {
-		netdev_err(dev, "unable to enable ePHY clk\n");
-		return ret;
-	}
-
-	phydev = phy_find_first(priv->mii_bus);
-	if (!phydev) {
-		netdev_err(dev, "no PHYs found\n");
-		ret = -ENODEV;
-		goto out;
-	}
-
-	phydev = of_phy_connect(dev, priv->phy_node,
-			nuport_mac_adjust_link, 0,
-			priv->phy_interface);
-	if (IS_ERR(phydev)) {
-		netdev_err(dev, "could not attach PHY\n");
-		ret = PTR_ERR(phydev);
-		goto out;
-	}
-
-	phydev->supported &= PHY_BASIC_FEATURES;
-	phydev->advertising = phydev->supported;
-	priv->phydev = phydev;
-	priv->old_link = 1;
-	priv->old_duplex = DUPLEX_FULL;
-
-	dev_info(&priv->pdev->dev, "attached PHY driver [%s] "
-		"(mii_bus:phy_addr=%d)\n",
-		phydev->drv->name, phydev->addr);
-
-	return 0;
-
-out:
-	/* disable the Ethernet PHY clock for the moment */
-	clk_disable(priv->ephy_clk);
-
-	return ret;
-}
-
-static void nuport_mac_ethtool_drvinfo(struct net_device *dev,
-					struct ethtool_drvinfo *info)
-{
-	strncpy(info->driver, "nuport-mac", sizeof(info->driver));
-	strncpy(info->version, "0.1", sizeof(info->version));
-	strncpy(info->fw_version, "N/A", sizeof(info->fw_version));
-	strncpy(info->bus_info, "internal", sizeof(info->bus_info));
-	info->n_stats = 0;
-	info->testinfo_len = 0;
-	info->regdump_len = 0;
-	info->eedump_len = 0;
-}
-
-static int nuport_mac_ethtool_get_settings(struct net_device *dev,
-					struct ethtool_cmd *cmd)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-
-	if (priv->phydev)
-		return phy_ethtool_gset(priv->phydev, cmd);
-
-	return -EINVAL;
-}
-
-static int nuport_mac_ethtool_set_settings(struct net_device *dev,
-					struct ethtool_cmd *cmd)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-
-	if (priv->phydev)
-		return phy_ethtool_sset(priv->phydev, cmd);
-
-	return -EINVAL;
-}
-
-static void nuport_mac_set_msglevel(struct net_device *dev, u32 msg_level)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-
-	priv->msg_level = msg_level;
-}
-
-static u32 nuport_mac_get_msglevel(struct net_device *dev)
-{
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-
-	return priv->msg_level;
-}
-
-static const struct ethtool_ops nuport_mac_ethtool_ops = {
-	.get_drvinfo		= nuport_mac_ethtool_drvinfo,
-	.get_link		= ethtool_op_get_link,
-	.get_settings		= nuport_mac_ethtool_get_settings,
-	.set_settings		= nuport_mac_ethtool_set_settings,
-	.set_msglevel		= nuport_mac_set_msglevel,
-	.get_msglevel		= nuport_mac_get_msglevel,
-};
-
-static const struct net_device_ops nuport_mac_ops = {
-	.ndo_open		= nuport_mac_open,
-	.ndo_stop		= nuport_mac_close,
-	.ndo_start_xmit		= nuport_mac_start_xmit,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address	= nuport_mac_change_mac_address,
-	.ndo_tx_timeout		= nuport_mac_tx_timeout,
-};
-
-static int __init nuport_mac_probe(struct platform_device *pdev)
-{
-	struct net_device *dev;
-	struct nuport_mac_priv *priv = NULL;
-	struct resource *regs, *dma;
-	int ret = 0;
-	int rx_irq, tx_irq, link_irq;
-	int i;
-	const unsigned int *intspec;
-
-	dev = alloc_etherdev(sizeof(struct nuport_mac_priv));
-	if (!dev) {
-		dev_err(&pdev->dev, "no memory for net_device\n");
-		return -ENOMEM;
-	}
-
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dma = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (!regs || !dma) {
-		dev_err(&pdev->dev, "failed to get regs resources\n");
-		ret = -ENODEV;
-		goto out;
-	}
-
-	rx_irq = platform_get_irq(pdev, 0);
-	tx_irq = platform_get_irq(pdev, 1);
-	link_irq = platform_get_irq(pdev, 2);
-	if (rx_irq < 0 || tx_irq < 0 || link_irq < 0) {
-		ret = -ENODEV;
-		goto out;
-	}
-
-	platform_set_drvdata(pdev, dev);
-	SET_NETDEV_DEV(dev, &pdev->dev);
-	priv = netdev_priv(dev);
-	priv->pdev = pdev;
-	priv->dev = dev;
-	spin_lock_init(&priv->lock);
-
-	intspec = of_get_property(pdev->dev.of_node,
-				"nuport-mac,buffer-shifting", NULL);
-	if (!intspec)
-		priv->buffer_shifting_len = 0;
-	else
-		priv->buffer_shifting_len = 2;
-
-	priv->mac_base = devm_request_and_ioremap(&pdev->dev, regs);
-	if (!priv->mac_base) {
-		dev_err(&pdev->dev, "failed to remap regs\n");
-		ret = -ENOMEM;
-		goto out_platform;
-	}
-
-	priv->dma_base = devm_request_and_ioremap(&pdev->dev, dma);
-	if (!priv->dma_base) {
-		dev_err(&pdev->dev, "failed to remap dma-regs\n");
-		ret = -ENOMEM;
-		goto out_platform;
-	}
-
-	priv->emac_clk = clk_get(&pdev->dev, "emac");
-	if (IS_ERR_OR_NULL(priv->emac_clk)) {
-		dev_err(&pdev->dev, "failed to get emac clk\n");
-		ret = PTR_ERR(priv->emac_clk);
-		goto out_platform;
-	}
-
-	priv->ephy_clk = clk_get(&pdev->dev, "ephy");
-	if (IS_ERR_OR_NULL(priv->ephy_clk)) {
-		dev_err(&pdev->dev, "failed to get ephy clk\n");
-		ret = PTR_ERR(priv->ephy_clk);
-		goto out_platform;
-	}
-
-	priv->link_irq = link_irq;
-	priv->rx_irq = rx_irq;
-	priv->tx_irq = tx_irq;
-	priv->msg_level = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK;
-	dev->netdev_ops = &nuport_mac_ops;
-	dev->ethtool_ops = &nuport_mac_ethtool_ops;
-	dev->watchdog_timeo = HZ;
-	dev->flags = IFF_BROADCAST;	/* Supports Broadcast */
-	dev->tx_queue_len = TX_RING_SIZE / 2;
-
-	netif_napi_add(dev, &priv->napi, nuport_mac_poll, 64);
-
-	priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy", 0);
-	if (!priv->phy_node) {
-		dev_err(&pdev->dev, "no associated PHY\n");
-		ret = -ENODEV;
-		goto out;
-	}
-
-	priv->phy_interface = of_get_phy_mode(pdev->dev.of_node);
-	if (priv->phy_interface < 0) {
-		dev_err(&pdev->dev, "invalid PHY mode\n");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	priv->mii_bus = mdiobus_alloc();
-	if (!priv->mii_bus) {
-		dev_err(&pdev->dev, "mii bus allocation failed\n");
-		goto out;
-	}
-
-	priv->mii_bus->priv = dev;
-	priv->mii_bus->read = nuport_mac_mii_read;
-	priv->mii_bus->write = nuport_mac_mii_write;
-	priv->mii_bus->reset = nuport_mac_mii_reset;
-	priv->mii_bus->name = "nuport-mac-mii";
-	priv->mii_bus->phy_mask = (1 << 0);
-	snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", pdev->name);
-	priv->mii_bus->irq = kzalloc(PHY_MAX_ADDR * sizeof(int), GFP_KERNEL);
-	if (!priv->mii_bus->irq) {
-		dev_err(&pdev->dev, "failed to allocate mii_bus irqs\n");
-		ret = -ENOMEM;
-		goto out_mdio;
-	}
-
-	/* We support PHY interrupts routed back to the MAC */
-	for (i = 0; i < PHY_MAX_ADDR; i++)
-		priv->mii_bus->irq[i] = PHY_IGNORE_INTERRUPT;
-
-	ret = of_mdiobus_register(priv->mii_bus, pdev->dev.of_node);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to register mii_bus\n");
-		goto out_mdio_irq;
-	}
-
-	ret = nuport_mac_mii_probe(dev);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to probe MII bus\n");
-		goto out_mdio_unregister;
-	}
-
-	ret = register_netdev(dev);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to register net_device\n");
-		goto out_mdio_probe;
-	}
-
-	/* read existing mac address */
-	nuport_mac_read_mac_address(dev);
-
-	dev_info(&pdev->dev, "registered (MAC: %pM)\n", dev->dev_addr);
-
-	return ret;
-
-out_mdio_probe:
-	phy_disconnect(priv->phydev);
-out_mdio_unregister:
-	mdiobus_unregister(priv->mii_bus);
-out_mdio_irq:
-	kfree(priv->mii_bus->irq);
-out_mdio:
-	mdiobus_free(priv->mii_bus);
-out_platform:
-	platform_set_drvdata(pdev, NULL);
-out:
-	clk_put(priv->ephy_clk);
-	clk_put(priv->emac_clk);
-	free_netdev(dev);
-	platform_set_drvdata(pdev, NULL);
-	return ret;
-}
-
-static int nuport_mac_remove(struct platform_device *pdev)
-{
-	struct net_device *dev = platform_get_drvdata(pdev);
-	struct nuport_mac_priv *priv = netdev_priv(dev);
-
-	unregister_netdev(dev);
-	phy_disconnect(priv->phydev);
-	mdiobus_unregister(priv->mii_bus);
-	kfree(priv->mii_bus->irq);
-	mdiobus_free(priv->mii_bus);
-	clk_put(priv->ephy_clk);
-	clk_put(priv->emac_clk);
-	free_netdev(dev);
-
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-static struct of_device_id nuport_eth_ids[] __initdata = {
-	{.compatible = "moschip,nuport-mac",},
-	{ /* sentinel */ },
-};
-
-static struct platform_driver nuport_eth_driver = {
-	.driver = {
-		.name = "nuport-mac",
-		.owner = THIS_MODULE,
-		.of_match_table = nuport_eth_ids,
-	},
-	.probe	= nuport_mac_probe,
-	.remove	= __devexit_p(nuport_mac_remove),
-};
-
-module_platform_driver(nuport_eth_driver);
-
-MODULE_AUTHOR("Moschip Semiconductors Ltd.");
-MODULE_DESCRIPTION("Moschip MCS8140 Ethernet MAC driver");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/mcs814x/files-3.3/drivers/net/phy/mcs814x.c b/target/linux/mcs814x/files-3.3/drivers/net/phy/mcs814x.c
deleted file mode 100644
index e92176e3be..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/net/phy/mcs814x.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Driver for Moschip MCS814x internal PHY
- *
- * Copyright (c) 2012 Florian Fainelli <florian@openwrt.org>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/unistd.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/mii.h>
-#include <linux/ethtool.h>
-#include <linux/phy.h>
-
-MODULE_DESCRIPTION("Moschip MCS814x PHY driver");
-MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
-MODULE_LICENSE("GPL");
-
-/* Nothing special about this PHY but its OUI (O) */
-static struct phy_driver mcs8140_driver = {
-	.phy_id		= 0,
-	.name		= "Moschip MCS8140",
-	.phy_id_mask	= 0x02,
-	.features	= PHY_BASIC_FEATURES,
-	.config_aneg	= &genphy_config_aneg,
-	.read_status	= &genphy_read_status,
-	.suspend	= genphy_suspend,
-	.resume		= genphy_resume,
-	.driver		= { .owner = THIS_MODULE,},
-};
-
-static int __init mcs814x_phy_init(void)
-{
-	return phy_driver_register(&mcs8140_driver);
-}
-
-static void __exit mcs814x_phy_exit(void)
-{
-	phy_driver_unregister(&mcs8140_driver);
-}
-
-module_init(mcs814x_phy_init);
-module_exit(mcs814x_phy_exit);
-
-static struct mdio_device_id __maybe_unused mcs814x_phy_tbl[] = {
-	{ 0x0, 0x0ffffff0 },
-	{ }
-};
-
-MODULE_DEVICE_TABLE(mdio, mcs814x_phy_tbl);
diff --git a/target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c b/target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c
deleted file mode 100644
index 183155e372..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * MCS814X EHCI Host Controller Driver
- *
- * Based on "ehci-fsl.c" by Randy Vinson <rvinson@mvista.com>
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/platform_device.h>
-#include <linux/of.h>
-
-#define MCS814X_EHCI_CAPS_OFFSET	0x68
-
-static int mcs814x_ehci_init(struct usb_hcd *hcd)
-{
-	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-	int retval = 0;
-
-	ehci->caps = hcd->regs + MCS814X_EHCI_CAPS_OFFSET;
-	ehci->regs = hcd->regs
-		+ HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
-	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
-	ehci_reset(ehci);
-
-	retval = ehci_init(hcd);
-	if (retval) {
-		pr_err("ehci_init failed\n");
-		return retval;
-	}
-
-	ehci_port_power(ehci, 0);
-
-	return retval;
-}
-
-static const struct hc_driver mcs814x_ehci_hc_driver = {
-	.description		= hcd_name,
-	.product_desc		= "MCS814X EHCI Host Controller",
-	.hcd_priv_size		= sizeof(struct ehci_hcd),
-	.irq			= ehci_irq,
-	.flags			= HCD_MEMORY | HCD_USB2,
-	.reset			= mcs814x_ehci_init,
-	.start			= ehci_run,
-	.stop			= ehci_stop,
-	.shutdown		= ehci_shutdown,
-	.urb_enqueue		= ehci_urb_enqueue,
-	.urb_dequeue		= ehci_urb_dequeue,
-	.endpoint_disable	= ehci_endpoint_disable,
-	.get_frame_number	= ehci_get_frame,
-	.hub_status_data	= ehci_hub_status_data,
-	.hub_control		= ehci_hub_control,
-#if defined(CONFIG_PM)
-	.bus_suspend		= ehci_bus_suspend,
-	.bus_resume		= ehci_bus_resume,
-#endif
-	.relinquish_port	= ehci_relinquish_port,
-	.port_handed_over	= ehci_port_handed_over,
-
-	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
-};
-
-static int mcs814x_ehci_probe(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd;
-	const struct hc_driver *driver = &mcs814x_ehci_hc_driver;
-	struct resource *res;
-	int irq;
-	int retval;
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!res) {
-		dev_err(&pdev->dev,
-			"Found HC with no IRQ. Check %s setup!\n",
-			dev_name(&pdev->dev));
-		return -ENODEV;
-	}
-	irq = res->start;
-
-	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-	pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
-
-	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
-	if (!hcd) {
-		retval = -ENOMEM;
-		goto fail_create_hcd;
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev,
-			"Found HC with no register addr. Check %s setup!\n",
-			dev_name(&pdev->dev));
-		retval = -ENODEV;
-		goto fail_request_resource;
-	}
-	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = resource_size(res);
-
-	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
-				driver->description)) {
-		dev_dbg(&pdev->dev, "controller already in use\n");
-		retval = -EBUSY;
-		goto fail_request_resource;
-	}
-
-	hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
-	if (hcd->regs == NULL) {
-		dev_dbg(&pdev->dev, "error mapping memory\n");
-		retval = -EFAULT;
-		goto fail_ioremap;
-	}
-
-	retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
-	if (retval)
-		goto fail_add_hcd;
-
-	dev_info(&pdev->dev, "added MCS814X EHCI driver\n");
-
-	return retval;
-
-fail_add_hcd:
-	iounmap(hcd->regs);
-fail_ioremap:
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-fail_request_resource:
-	usb_put_hcd(hcd);
-fail_create_hcd:
-	dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
-	return retval;
-}
-
-static int mcs814x_ehci_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
-
-	return 0;
-}
-
-MODULE_ALIAS("platform:mcs814x-ehci");
-
-static const struct of_device_id mcs814x_ehci_id[] = {
-	{ .compatible = "moschip,mcs814x-ehci" },
-	{ .compatible = "usb-ehci" },
-	{ /* sentinel */ },
-};
-
-static struct platform_driver mcs814x_ehci_driver = {
-	.probe = mcs814x_ehci_probe,
-	.remove = mcs814x_ehci_remove,
-	.driver = {
-		.name = "mcs814x-ehci",
-		.of_match_table = mcs814x_ehci_id,
-	},
-};
diff --git a/target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c b/target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c
deleted file mode 100644
index ef4cb5143e..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/usb/host/ohci-mcs814x.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * OHCI HCD (Host Controller Driver) for USB.
- *
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- * (C) Copyright 2002 Hewlett-Packard Company
- *
- * Bus Glue for Moschip MCS814x.
- *
- * Written by Christopher Hoover <ch@hpl.hp.com>
- * Based on fragments of previous driver by Russell King et al.
- *
- * Modified for LH7A404 from ohci-sa1111.c
- *  by Durgesh Pattamatta <pattamattad@sharpsec.com>
- *
- * Modified for pxa27x from ohci-lh7a404.c
- *  by Nick Bane <nick@cecomputing.co.uk> 26-8-2004
- *
- * Modified for mcs814x from ohci-mcs814x.c
- *  by Lennert Buytenhek <buytenh@wantstofly.org> 28-2-2006
- *  Based on an earlier driver by Ray Lehtiniemi
- *
- * This file is licenced under the GPL.
- */
-
-#include <linux/device.h>
-#include <linux/signal.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-
-static int usb_hcd_mcs814x_probe(const struct hc_driver *driver,
-			 struct platform_device *pdev)
-{
-	int retval;
-	struct usb_hcd *hcd;
-
-	if (pdev->resource[1].flags != IORESOURCE_IRQ) {
-		pr_debug("resource[1] is not IORESOURCE_IRQ");
-		return -ENOMEM;
-	}
-
-	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-	pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
-
-	hcd = usb_create_hcd(driver, &pdev->dev, "mcs814x");
-	if (hcd == NULL)
-		return -ENOMEM;
-
-	hcd->rsrc_start = pdev->resource[0].start;
-	hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
-	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		usb_put_hcd(hcd);
-		retval = -EBUSY;
-		goto err1;
-	}
-
-	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-	if (hcd->regs == NULL) {
-		pr_debug("ioremap failed");
-		retval = -ENOMEM;
-		goto err2;
-	}
-
-	ohci_hcd_init(hcd_to_ohci(hcd));
-
-	retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_DISABLED);
-	if (retval == 0)
-		return retval;
-
-	iounmap(hcd->regs);
-err2:
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err1:
-	usb_put_hcd(hcd);
-
-	return retval;
-}
-
-static void usb_hcd_mcs814x_remove(struct usb_hcd *hcd,
-			struct platform_device *pdev)
-{
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
-}
-
-static int __devinit ohci_mcs814x_start(struct usb_hcd *hcd)
-{
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-	int ret;
-
-	ret = ohci_init(ohci);
-	if (ret < 0)
-		return ret;
-
-	ret = ohci_run(ohci);
-	if (ret < 0) {
-		ohci_err(ohci, "can't start %s", hcd->self.bus_name);
-		ohci_stop(hcd);
-		return ret;
-	}
-
-	return 0;
-}
-
-static struct hc_driver ohci_mcs814x_hc_driver = {
-	.description		= hcd_name,
-	.product_desc		= "MCS814X OHCI",
-	.hcd_priv_size		= sizeof(struct ohci_hcd),
-	.irq			= ohci_irq,
-	.flags			= HCD_USB11 | HCD_MEMORY,
-	.start			= ohci_mcs814x_start,
-	.stop			= ohci_stop,
-	.shutdown		= ohci_shutdown,
-	.urb_enqueue		= ohci_urb_enqueue,
-	.urb_dequeue		= ohci_urb_dequeue,
-	.endpoint_disable	= ohci_endpoint_disable,
-	.get_frame_number	= ohci_get_frame,
-	.hub_status_data	= ohci_hub_status_data,
-	.hub_control		= ohci_hub_control,
-#ifdef CONFIG_PM
-	.bus_suspend		= ohci_bus_suspend,
-	.bus_resume		= ohci_bus_resume,
-#endif
-	.start_port_reset	= ohci_start_port_reset,
-};
-
-extern int usb_disabled(void);
-
-static int ohci_hcd_mcs814x_drv_probe(struct platform_device *pdev)
-{
-	int ret;
-
-	ret = -ENODEV;
-	if (!usb_disabled())
-		ret = usb_hcd_mcs814x_probe(&ohci_mcs814x_hc_driver, pdev);
-
-	return ret;
-}
-
-static int ohci_hcd_mcs814x_drv_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-	usb_hcd_mcs814x_remove(hcd, pdev);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int ohci_hcd_mcs814x_drv_suspend(struct platform_device *pdev, pm_message_t state)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-
-	if (time_before(jiffies, ohci->next_statechange))
-		msleep(5);
-	ohci->next_statechange = jiffies;
-
-	hcd->state = HC_STATE_SUSPENDED;
-
-	return 0;
-}
-
-static int ohci_hcd_mcs814x_drv_resume(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-	int status;
-
-	if (time_before(jiffies, ohci->next_statechange))
-		msleep(5);
-	ohci->next_statechange = jiffies;
-
-	ohci_finish_controller_resume(hcd);
-	return 0;
-}
-#endif
-
-static const struct of_device_id mcs814x_ohci_id[] = {
-	{ .compatible = "moschip,mcs814x-ohci" },
-	{ .compatible = "ohci-le" },
-	{ /* sentinel */ },
-};
-
-static struct platform_driver ohci_hcd_mcs814x_driver = {
-	.probe		= ohci_hcd_mcs814x_drv_probe,
-	.remove		= ohci_hcd_mcs814x_drv_remove,
-	.shutdown	= usb_hcd_platform_shutdown,
-#ifdef CONFIG_PM
-	.suspend	= ohci_hcd_mcs814x_drv_suspend,
-	.resume		= ohci_hcd_mcs814x_drv_resume,
-#endif
-	.driver		= {
-		.name	= "mcs814x-ohci",
-		.owner	= THIS_MODULE,
-		.of_match_table = mcs814x_ohci_id,
-	},
-};
-
-MODULE_ALIAS("platform:mcs814x-ohci");
diff --git a/target/linux/mcs814x/files-3.3/drivers/watchdog/mcs814x_wdt.c b/target/linux/mcs814x/files-3.3/drivers/watchdog/mcs814x_wdt.c
deleted file mode 100644
index ca69e8f955..0000000000
--- a/target/linux/mcs814x/files-3.3/drivers/watchdog/mcs814x_wdt.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * Moschip MCS814x Watchdog driver
- *
- * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
- *
- * 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
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/io.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/of.h>
-
-#define WDT_COUNT	0x00
-#define WDT_CTRL	0x04
-#define  WDT_CTRL_EN	0x1
-
-/* watchdog frequency */
-#define WDT_MAX_VALUE	(0xffffffff)
-
-struct mcs814x_wdt {
-	void __iomem		*regs;
-	spinlock_t		lock;
-	struct watchdog_device	wdt_dev;
-	struct clk		*clk;
-};
-
-static int mcs814x_wdt_start(struct watchdog_device *dev)
-{
-	struct mcs814x_wdt *wdt = watchdog_get_drvdata(dev);
-	u32 reg;
-
-	spin_lock(&wdt->lock);
-	reg = readl_relaxed(wdt->regs + WDT_CTRL);
-	reg |= WDT_CTRL_EN;
-	writel_relaxed(reg, wdt->regs + WDT_CTRL);
-	spin_unlock(&wdt->lock);
-
-	return 0;
-}
-
-static int mcs814x_wdt_stop(struct watchdog_device *dev)
-{
-	struct mcs814x_wdt *wdt = watchdog_get_drvdata(dev);
-	u32 reg;
-
-	spin_lock(&wdt->lock);
-	reg = readl_relaxed(wdt->regs + WDT_CTRL);
-	reg &= ~WDT_CTRL_EN;
-	writel_relaxed(reg, wdt->regs + WDT_CTRL);
-	spin_unlock(&wdt->lock);
-
-	return 0;
-}
-
-static int mcs814x_wdt_set_timeout(struct watchdog_device *dev,
-				unsigned int new_timeout)
-{
-	struct mcs814x_wdt *wdt = watchdog_get_drvdata(dev);
-
-	spin_lock(&wdt->lock);
-	/* watchdog counts upward and rollover (0xfffffff -> 0)
-	 * triggers the reboot
-	 */
-	writel_relaxed(WDT_MAX_VALUE - (new_timeout * clk_get_rate(wdt->clk)),
-		wdt->regs + WDT_COUNT);
-	spin_unlock(&wdt->lock);
-
-	return 0;
-}
-
-static int mcs814x_wdt_ping(struct watchdog_device *dev)
-{
-	/* restart the watchdog */
-	mcs814x_wdt_stop(dev);
-	mcs814x_wdt_set_timeout(dev, dev->timeout);
-	mcs814x_wdt_start(dev);
-
-	return 0;
-}
-
-static const struct watchdog_info mcs814x_wdt_ident = {
-	.options	= WDIOF_CARDRESET | WDIOF_SETTIMEOUT |
-			  WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING,
-	.identity	= "MCS814x Watchdog",
-};
-
-static struct watchdog_ops mcs814x_wdt_ops = {
-	.owner		= THIS_MODULE,
-	.start		= mcs814x_wdt_start,
-	.stop		= mcs814x_wdt_stop,
-	.set_timeout	= mcs814x_wdt_set_timeout,
-	.ping		= mcs814x_wdt_ping,
-};
-
-static int __devinit mcs814x_wdt_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct mcs814x_wdt *wdt;
-	int ret;
-	struct clk *clk;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	clk = clk_get(NULL, "wdt");
-	if (IS_ERR_OR_NULL(clk)) {
-		dev_err(&pdev->dev, "failed to get watchdog clock\n");
-		return PTR_ERR(clk);
-	}
-
-	wdt = kzalloc(sizeof(*wdt), GFP_KERNEL);
-	if (!wdt) {
-		ret = -ENOMEM;
-		goto out_clk;
-	}
-
-	spin_lock_init(&wdt->lock);
-	wdt->clk = clk;
-	wdt->wdt_dev.info = &mcs814x_wdt_ident;
-	wdt->wdt_dev.ops = &mcs814x_wdt_ops;
-	wdt->wdt_dev.min_timeout = 1;
-	/* approximately 10995 secs */
-	wdt->wdt_dev.max_timeout = (WDT_MAX_VALUE / clk_get_rate(clk));
-
-	platform_set_drvdata(pdev, wdt);
-
-	/* only ioremap registers, because the register is shared */
-	wdt->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res));
-	if (!wdt->regs) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	watchdog_set_drvdata(&wdt->wdt_dev, wdt);
-
-	ret = watchdog_register_device(&wdt->wdt_dev);
-	if (ret) {
-		dev_err(&pdev->dev, "cannot register watchdog: %d\n", ret);
-		goto out;
-	}
-
-	dev_info(&pdev->dev, "registered\n");
-	return 0;
-
-out:
-	platform_set_drvdata(pdev, NULL);
-	kfree(wdt);
-out_clk:
-	clk_put(clk);
-	return ret;
-}
-
-static int __devexit mcs814x_wdt_remove(struct platform_device *pdev)
-{
-	struct mcs814x_wdt *wdt = platform_get_drvdata(pdev);
-
-	clk_put(wdt->clk);
-	watchdog_unregister_device(&wdt->wdt_dev);
-	watchdog_set_drvdata(&wdt->wdt_dev, NULL);
-	kfree(wdt);
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-static const struct of_device_id mcs814x_wdt_ids[] = {
-	{ .compatible = "moschip,mcs814x-wdt", },
-	{ /* sentinel */ },
-};
-
-static struct platform_driver mcs814x_wdt_driver = {
-	.driver	= {
-		.name	= "mcs814x-wdt",
-		.owner	= THIS_MODULE,
-		.of_match_table = mcs814x_wdt_ids,
-	},
-	.probe		= mcs814x_wdt_probe,
-	.remove		= __devexit_p(mcs814x_wdt_remove),
-};
-
-module_platform_driver(mcs814x_wdt_driver);
-
-MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
-MODULE_DESCRIPTION("Moschip MCS814x Watchdog driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS("platform:mcs814x-wdt");