ar71xx: the ar7240 dsa driver is no longer used, remove it.

SVN-Revision: 23577

2 files changed, 0 insertions, 863 deletions

diff --git a/target/linux/ar71xx/files/net/dsa/ar7240.c b/target/linux/ar71xx/files/net/dsa/ar7240.c
deleted file mode 100644
index ba24815..0000000
--- a/target/linux/ar71xx/files/net/dsa/ar7240.c
+++ /dev/null
@@ -1,736 +0,0 @@
-/*
- *  DSA driver for the built-in ethernet switch of the Atheros AR7240 SoC
- *  Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
- *
- *  This file was based on:
- *    net/dsa/mv88e6060.c - Driver for Marvell 88e6060 switch chips
- *    Copyright (c) 2008 Marvell Semiconductor
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
- *
- */
-
-#include <linux/etherdevice.h>
-#include <linux/list.h>
-#include <linux/netdevice.h>
-#include <linux/phy.h>
-#include <linux/mii.h>
-#include <linux/bitops.h>
-
-#include "dsa_priv.h"
-
-#define BITM(_count)	(BIT(_count) - 1)
-
-#define AR7240_REG_MASK_CTRL		0x00
-#define AR7240_MASK_CTRL_REVISION_M	BITM(8)
-#define AR7240_MASK_CTRL_VERSION_M	BITM(8)
-#define AR7240_MASK_CTRL_VERSION_S	8
-#define AR7240_MASK_CTRL_SOFT_RESET	BIT(31)
-
-#define AR7240_REG_MAC_ADDR0		0x20
-#define AR7240_REG_MAC_ADDR1		0x24
-
-#define AR7240_REG_FLOOD_MASK		0x2c
-#define AR7240_FLOOD_MASK_BROAD_TO_CPU	BIT(26)
-
-#define AR7240_REG_GLOBAL_CTRL		0x30
-#define AR7240_GLOBAL_CTRL_MTU_M	BITM(12)
-
-#define AR7240_REG_AT_CTRL		0x5c
-#define AR7240_AT_CTRL_ARP_EN		BIT(20)
-
-#define AR7240_REG_TAG_PRIORITY		0x70
-
-#define AR7240_REG_SERVICE_TAG		0x74
-#define AR7240_SERVICE_TAG_M		BITM(16)
-
-#define AR7240_REG_CPU_PORT		0x78
-#define AR7240_MIRROR_PORT_S		4
-#define AR7240_CPU_PORT_EN		BIT(8)
-
-#define AR7240_REG_MIB_FUNCTION0	0x80
-#define AR7240_MIB_TIMER_M		BITM(16)
-#define AR7240_MIB_AT_HALF_EN		BIT(16)
-#define AR7240_MIB_BUSY			BIT(17)
-#define AR7240_MIB_FUNC_S		24
-#define AR7240_MIB_FUNC_NO_OP		0x0
-#define AR7240_MIB_FUNC_FLUSH		0x1
-#define AR7240_MIB_FUNC_CAPTURE		0x3
-
-#define AR7240_REG_MDIO_CTRL		0x98
-#define AR7240_MDIO_CTRL_DATA_M		BITM(16)
-#define AR7240_MDIO_CTRL_REG_ADDR_S	16
-#define AR7240_MDIO_CTRL_PHY_ADDR_S	21
-#define AR7240_MDIO_CTRL_CMD_WRITE	0
-#define AR7240_MDIO_CTRL_CMD_READ	BIT(27)
-#define AR7240_MDIO_CTRL_MASTER_EN	BIT(30)
-#define AR7240_MDIO_CTRL_BUSY		BIT(31)
-
-#define AR7240_REG_PORT_BASE(_port)	(0x100 + (_port) * 0x100)
-
-#define AR7240_REG_PORT_STATUS(_port)	(AR7240_REG_PORT_BASE((_port)) + 0x00)
-#define AR7240_PORT_STATUS_SPEED_M	BITM(2)
-#define AR7240_PORT_STATUS_SPEED_10	0
-#define AR7240_PORT_STATUS_SPEED_100	1
-#define AR7240_PORT_STATUS_SPEED_1000	2
-#define AR7240_PORT_STATUS_TXMAC	BIT(2)
-#define AR7240_PORT_STATUS_RXMAC	BIT(3)
-#define AR7240_PORT_STATUS_TXFLOW	BIT(4)
-#define AR7240_PORT_STATUS_RXFLOW	BIT(5)
-#define AR7240_PORT_STATUS_DUPLEX	BIT(6)
-#define AR7240_PORT_STATUS_LINK_UP	BIT(8)
-#define AR7240_PORT_STATUS_LINK_AUTO	BIT(9)
-#define AR7240_PORT_STATUS_LINK_PAUSE	BIT(10)
-
-#define AR7240_REG_PORT_CTRL(_port)	(AR7240_REG_PORT_BASE((_port)) + 0x04)
-#define AR7240_PORT_CTRL_STATE_M	BITM(3)
-#define	AR7240_PORT_CTRL_STATE_DISABLED	0
-#define AR7240_PORT_CTRL_STATE_BLOCK	1
-#define AR7240_PORT_CTRL_STATE_LISTEN	2
-#define AR7240_PORT_CTRL_STATE_LEARN	3
-#define AR7240_PORT_CTRL_STATE_FORWARD	4
-#define AR7240_PORT_CTRL_LEARN_LOCK	BIT(7)
-#define AR7240_PORT_CTRL_VLAN_MODE_S	8
-#define AR7240_PORT_CTRL_VLAN_MODE_KEEP	0
-#define AR7240_PORT_CTRL_VLAN_MODE_STRIP 1
-#define AR7240_PORT_CTRL_VLAN_MODE_ADD	2
-#define AR7240_PORT_CTRL_VLAN_MODE_DOUBLE_TAG 3
-#define AR7240_PORT_CTRL_IGMP_SNOOP	BIT(10)
-#define AR7240_PORT_CTRL_HEADER		BIT(11)
-#define AR7240_PORT_CTRL_MAC_LOOP	BIT(12)
-#define AR7240_PORT_CTRL_SINGLE_VLAN	BIT(13)
-#define AR7240_PORT_CTRL_LEARN		BIT(14)
-#define AR7240_PORT_CTRL_DOUBLE_TAG	BIT(15)
-#define AR7240_PORT_CTRL_MIRROR_TX	BIT(16)
-#define AR7240_PORT_CTRL_MIRROR_RX	BIT(17)
-
-#define AR7240_REG_PORT_VLAN(_port)	(AR7240_REG_PORT_BASE((_port)) + 0x08)
-
-#define AR7240_PORT_VLAN_DEFAULT_ID_S	0
-#define AR7240_PORT_VLAN_DEST_PORTS_S	16
-
-#define AR7240_REG_STATS_BASE(_port)	(0x20000 + (_port) * 0x100)
-
-#define AR7240_STATS_RXBROAD		0x00
-#define AR7240_STATS_RXPAUSE		0x04
-#define AR7240_STATS_RXMULTI		0x08
-#define AR7240_STATS_RXFCSERR		0x0c
-#define AR7240_STATS_RXALIGNERR		0x10
-#define AR7240_STATS_RXRUNT		0x14
-#define AR7240_STATS_RXFRAGMENT		0x18
-#define AR7240_STATS_RX64BYTE		0x1c
-#define AR7240_STATS_RX128BYTE		0x20
-#define AR7240_STATS_RX256BYTE		0x24
-#define AR7240_STATS_RX512BYTE		0x28
-#define AR7240_STATS_RX1024BYTE		0x2c
-#define AR7240_STATS_RX1518BYTE		0x30
-#define AR7240_STATS_RXMAXBYTE		0x34
-#define AR7240_STATS_RXTOOLONG		0x38
-#define AR7240_STATS_RXGOODBYTE		0x3c
-#define AR7240_STATS_RXBADBYTE		0x44
-#define AR7240_STATS_RXOVERFLOW		0x4c
-#define AR7240_STATS_FILTERED		0x50
-#define AR7240_STATS_TXBROAD		0x54
-#define AR7240_STATS_TXPAUSE		0x58
-#define AR7240_STATS_TXMULTI		0x5c
-#define AR7240_STATS_TXUNDERRUN		0x60
-#define AR7240_STATS_TX64BYTE		0x64
-#define AR7240_STATS_TX128BYTE		0x68
-#define AR7240_STATS_TX256BYTE		0x6c
-#define AR7240_STATS_TX512BYTE		0x70
-#define AR7240_STATS_TX1024BYTE		0x74
-#define AR7240_STATS_TX1518BYTE		0x78
-#define AR7240_STATS_TXMAXBYTE		0x7c
-#define AR7240_STATS_TXOVERSIZE		0x80
-#define AR7240_STATS_TXBYTE		0x84
-#define AR7240_STATS_TXCOLLISION	0x8c
-#define AR7240_STATS_TXABORTCOL		0x90
-#define AR7240_STATS_TXMULTICOL		0x94
-#define AR7240_STATS_TXSINGLECOL	0x98
-#define AR7240_STATS_TXEXCDEFER		0x9c
-#define AR7240_STATS_TXDEFER		0xa0
-#define AR7240_STATS_TXLATECOL		0xa4
-
-#define AR7240_PORT_CPU		0
-#define AR7240_NUM_PORTS	6
-#define AR7240_NUM_PHYS		5
-
-#define AR7240_PHY_ID1		0x004d
-#define AR7240_PHY_ID2		0xd041
-
-#define AR7240_PORT_MASK(_port)		BIT((_port))
-#define AR7240_PORT_MASK_ALL		BITM(AR7240_NUM_PORTS)
-#define AR7240_PORT_MASK_BUT(_port)	(AR7240_PORT_MASK_ALL & ~BIT((_port)))
-
-struct ar7240sw {
-	struct mii_bus	*mii_bus;
-	struct mutex	reg_mutex;
-	struct mutex	stats_mutex;
-};
-
-struct ar7240sw_hw_stat {
-	char string[ETH_GSTRING_LEN];
-	int sizeof_stat;
-	int reg;
-};
-
-static inline struct ar7240sw *dsa_to_ar7240sw(struct dsa_switch *ds)
-{
-	return (struct ar7240sw *)(ds + 1);
-}
-
-static inline void ar7240sw_init(struct ar7240sw *as, struct mii_bus *mii)
-{
-	as->mii_bus = mii;
-	mutex_init(&as->reg_mutex);
-	mutex_init(&as->stats_mutex);
-}
-
-static inline u16 mk_phy_addr(u32 reg)
-{
-	return (0x17 & ((reg >> 4) | 0x10));
-}
-
-static inline u16 mk_phy_reg(u32 reg)
-{
-	return ((reg << 1) & 0x1e);
-}
-
-static inline u16 mk_high_addr(u32 reg)
-{
-	return ((reg >> 7) & 0x1ff);
-}
-
-static u32 __ar7240sw_reg_read(struct ar7240sw *as, u32 reg)
-{
-	struct mii_bus *mii = as->mii_bus;
-	u16 phy_addr;
-	u16 phy_reg;
-	u32 hi, lo;
-
-	reg = (reg & 0xfffffffc) >> 2;
-
-	mdiobus_write(mii, 0x1f, 0x10, mk_high_addr(reg));
-
-	phy_addr = mk_phy_addr(reg);
-	phy_reg = mk_phy_reg(reg);
-
-	lo = (u32) mdiobus_read(mii, phy_addr, phy_reg);
-	hi = (u32) mdiobus_read(mii, phy_addr, phy_reg + 1);
-
-	return ((hi << 16) | lo);
-}
-
-static void __ar7240sw_reg_write(struct ar7240sw *as, u32 reg, u32 val)
-{
-	struct mii_bus *mii = as->mii_bus;
-	u16 phy_addr;
-	u16 phy_reg;
-
-	reg = (reg & 0xfffffffc) >> 2;
-
-	mdiobus_write(mii, 0x1f, 0x10, mk_high_addr(reg));
-
-	phy_addr = mk_phy_addr(reg);
-	phy_reg = mk_phy_reg(reg);
-
-	mdiobus_write(mii, phy_addr, phy_reg + 1, (val >> 16));
-	mdiobus_write(mii, phy_addr, phy_reg, (val & 0xffff));
-}
-
-static u32 ar7240sw_reg_read(struct ar7240sw *as, u32 reg_addr)
-{
-	u32 ret;
-
-	mutex_lock(&as->reg_mutex);
-	ret = __ar7240sw_reg_read(as, reg_addr);
-	mutex_unlock(&as->reg_mutex);
-
-	return ret;
-}
-
-static void ar7240sw_reg_write(struct ar7240sw *as, u32 reg_addr, u32 reg_val)
-{
-	mutex_lock(&as->reg_mutex);
-	__ar7240sw_reg_write(as, reg_addr, reg_val);
-	mutex_unlock(&as->reg_mutex);
-}
-
-static u32 ar7240sw_reg_rmw(struct ar7240sw *as, u32 reg, u32 mask, u32 val)
-{
-	u32 t;
-
-	mutex_lock(&as->reg_mutex);
-	t = __ar7240sw_reg_read(as, reg);
-	t &= ~mask;
-	t |= val;
-	__ar7240sw_reg_write(as, reg, t);
-	mutex_unlock(&as->reg_mutex);
-
-	return t;
-}
-
-static void ar7240sw_reg_set(struct ar7240sw *as, u32 reg, u32 val)
-{
-	u32 t;
-
-	mutex_lock(&as->reg_mutex);
-	t = __ar7240sw_reg_read(as, reg);
-	t |= val;
-	__ar7240sw_reg_write(as, reg, t);
-	mutex_unlock(&as->reg_mutex);
-}
-
-static int ar7240sw_reg_wait(struct ar7240sw *as, u32 reg, u32 mask, u32 val,
-			     unsigned timeout)
-{
-	int i;
-
-	for (i = 0; i < timeout; i++) {
-		u32 t;
-
-		t = ar7240sw_reg_read(as, reg);
-		if ((t & mask) == val)
-			return 0;
-
-		msleep(1);
-	}
-
-	return -ETIMEDOUT;
-}
-
-static u16 ar7240sw_phy_read(struct ar7240sw *as, unsigned phy_addr,
-			     unsigned reg_addr)
-{
-	u32 t;
-	int err;
-
-	if (phy_addr >= AR7240_NUM_PHYS)
-		return 0xffff;
-
-	t = (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
-	    (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
-	    AR7240_MDIO_CTRL_MASTER_EN |
-	    AR7240_MDIO_CTRL_BUSY |
-	    AR7240_MDIO_CTRL_CMD_READ;
-
-	ar7240sw_reg_write(as, AR7240_REG_MDIO_CTRL, t);
-	err = ar7240sw_reg_wait(as, AR7240_REG_MDIO_CTRL,
-				AR7240_MDIO_CTRL_BUSY, 0, 5);
-	if (err)
-		return 0xffff;
-
-	t = ar7240sw_reg_read(as, AR7240_REG_MDIO_CTRL);
-	return (t & AR7240_MDIO_CTRL_DATA_M);
-}
-
-static int ar7240sw_phy_write(struct ar7240sw *as, unsigned phy_addr,
-			      unsigned reg_addr, u16 reg_val)
-{
-	u32 t;
-	int ret;
-
-	if (phy_addr >= AR7240_NUM_PHYS)
-		return -EINVAL;
-
-	t = (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
-	    (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
-	    AR7240_MDIO_CTRL_MASTER_EN |
-	    AR7240_MDIO_CTRL_BUSY |
-	    AR7240_MDIO_CTRL_CMD_WRITE |
-	    reg_val;
-
-	ar7240sw_reg_write(as, AR7240_REG_MDIO_CTRL, t);
-	ret = ar7240sw_reg_wait(as, AR7240_REG_MDIO_CTRL,
-				AR7240_MDIO_CTRL_BUSY, 0, 5);
-	return ret;
-}
-
-static int ar7240sw_capture_stats(struct ar7240sw *as)
-{
-	int ret;
-
-	/* Capture the hardware statistics for all ports */
-	ar7240sw_reg_write(as, AR7240_REG_MIB_FUNCTION0,
-			   (AR7240_MIB_FUNC_CAPTURE << AR7240_MIB_FUNC_S));
-
-	/* Wait for the capturing to complete. */
-	ret = ar7240sw_reg_wait(as, AR7240_REG_MIB_FUNCTION0,
-				AR7240_MIB_BUSY, 0, 10);
-	return ret;
-}
-
-static void ar7240sw_disable_port(struct ar7240sw *as, unsigned port)
-{
-	ar7240sw_reg_write(as, AR7240_REG_PORT_CTRL(port),
-			   AR7240_PORT_CTRL_STATE_DISABLED);
-}
-
-static int ar7240sw_reset(struct ar7240sw *as)
-{
-	int ret;
-	int i;
-
-	/* Set all ports to disabled state. */
-	for (i = 0; i < AR7240_NUM_PORTS; i++)
-		ar7240sw_disable_port(as, i);
-
-	/* Wait for transmit queues to drain. */
-	msleep(2);
-
-	/* Reset the switch. */
-	ar7240sw_reg_write(as, AR7240_REG_MASK_CTRL,
-			   AR7240_MASK_CTRL_SOFT_RESET);
-
-	ret = ar7240sw_reg_wait(as, AR7240_REG_MASK_CTRL,
-			        AR7240_MASK_CTRL_SOFT_RESET, 0, 1000);
-	return ret;
-}
-
-static void ar7240sw_setup(struct ar7240sw *as)
-{
-	/* Enable CPU port, and disable mirror port */
-	ar7240sw_reg_write(as, AR7240_REG_CPU_PORT,
-			   AR7240_CPU_PORT_EN |
-			   (15 << AR7240_MIRROR_PORT_S));
-
-	/* Setup TAG priority mapping */
-	ar7240sw_reg_write(as, AR7240_REG_TAG_PRIORITY, 0xfa50);
-
-	/* Enable ARP frame acknowledge */
-	ar7240sw_reg_set(as, AR7240_REG_AT_CTRL, AR7240_AT_CTRL_ARP_EN);
-
-	/* Enable Broadcast frames transmitted to the CPU */
-	ar7240sw_reg_set(as, AR7240_REG_FLOOD_MASK,
-			 AR7240_FLOOD_MASK_BROAD_TO_CPU);
-
-	/* setup MTU */
-	ar7240sw_reg_rmw(as, AR7240_REG_GLOBAL_CTRL, AR7240_GLOBAL_CTRL_MTU_M,
-			 1536);
-
-	/* setup Service TAG */
-	ar7240sw_reg_rmw(as, AR7240_REG_SERVICE_TAG, AR7240_SERVICE_TAG_M,
-			 ETH_P_QINQ);
-}
-
-static void ar7240sw_setup_port(struct ar7240sw *as, unsigned port)
-{
-	u32 ctrl;
-	u32 dest_ports;
-	u32 vlan;
-
-	ctrl = AR7240_PORT_CTRL_STATE_FORWARD;
-
-	if (port == AR7240_PORT_CPU) {
-		ar7240sw_reg_write(as, AR7240_REG_PORT_STATUS(port),
-				   AR7240_PORT_STATUS_SPEED_1000 |
-				   AR7240_PORT_STATUS_TXFLOW |
-				   AR7240_PORT_STATUS_RXFLOW |
-				   AR7240_PORT_STATUS_TXMAC |
-				   AR7240_PORT_STATUS_RXMAC |
-				   AR7240_PORT_STATUS_DUPLEX);
-
-		/* allow the CPU port to talk to each of the 'real' ports */
-		dest_ports = AR7240_PORT_MASK_BUT(port);
-
-		/* remove service tag from ingress frames */
-		ctrl |= AR7240_PORT_CTRL_DOUBLE_TAG;
-	} else {
-		ar7240sw_reg_write(as, AR7240_REG_PORT_STATUS(port),
-				   AR7240_PORT_STATUS_LINK_AUTO);
-
-		/*
-		 * allow each of the 'real' ports to only talk to the CPU
-		 * port.
-		 */
-		dest_ports = AR7240_PORT_MASK(port) |
-			     AR7240_PORT_MASK(AR7240_PORT_CPU);
-
-		/* add service tag to egress frames */
-		ctrl |= (AR7240_PORT_CTRL_VLAN_MODE_DOUBLE_TAG <<
-			 AR7240_PORT_CTRL_VLAN_MODE_S);
-	}
-
-	/* set default VID and and destination ports for this VLAN */
-	vlan = port;
-	vlan |= (dest_ports << AR7240_PORT_VLAN_DEST_PORTS_S);
-
-	ar7240sw_reg_write(as, AR7240_REG_PORT_CTRL(port), ctrl);
-	ar7240sw_reg_write(as, AR7240_REG_PORT_VLAN(port), vlan);
-}
-
-static char *ar7240_dsa_probe(struct mii_bus *mii, int sw_addr)
-{
-	struct ar7240sw as;
-	u32 ctrl;
-	u16 phy_id1;
-	u16 phy_id2;
-	u8 ver;
-
-	ar7240sw_init(&as, mii);
-
-	ctrl = ar7240sw_reg_read(&as, AR7240_REG_MASK_CTRL);
-
-	ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) & AR7240_MASK_CTRL_VERSION_M;
-	if (ver != 1) {
-		pr_err("ar7240_dsa: unsupported chip, ctrl=%08x\n", ctrl);
-		return NULL;
-	}
-
-	phy_id1 = ar7240sw_phy_read(&as, 0, MII_PHYSID1);
-	phy_id2 = ar7240sw_phy_read(&as, 0, MII_PHYSID2);
-	if (phy_id1 != AR7240_PHY_ID1 || phy_id2 != AR7240_PHY_ID2) {
-		pr_err("ar7240_dsa: unknown phy id '%04x:%04x'\n",
-		       phy_id1, phy_id2);
-		return NULL;
-	}
-
-	return "Atheros AR7240 built-in";
-}
-
-static int ar7240_dsa_setup(struct dsa_switch *ds)
-{
-	struct ar7240sw *as = dsa_to_ar7240sw(ds);
-	int i;
-	int ret;
-
-	ar7240sw_init(as, ds->master_mii_bus);
-
-	ret = ar7240sw_reset(as);
-	if (ret)
-		return ret;
-
-	ar7240sw_setup(as);
-
-	for (i = 0; i < AR7240_NUM_PORTS; i++) {
-		if (dsa_is_cpu_port(ds, i) || (ds->phys_port_mask & (1 << i)))
-			ar7240sw_setup_port(as, i);
-		else
-			ar7240sw_disable_port(as, i);
-	}
-
-	return 0;
-}
-
-static int ar7240_dsa_set_addr(struct dsa_switch *ds, u8 *addr)
-{
-	struct ar7240sw *as = dsa_to_ar7240sw(ds);
-	u32 t;
-
-	t = (addr[4] << 8) | addr[5];
-	ar7240sw_reg_write(as, AR7240_REG_MAC_ADDR0, t);
-
-	t = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
-	ar7240sw_reg_write(as, AR7240_REG_MAC_ADDR1, t);
-
-	return 0;
-}
-
-static int ar7240_iort_to_phy_addr(int port)
-{
-	if (port > 0 && port < AR7240_NUM_PORTS)
-		return port - 1;
-
-	return -EINVAL;
-}
-
-static int ar7240_dsa_phy_read(struct dsa_switch *ds, int port, int regnum)
-{
-	struct ar7240sw *as = dsa_to_ar7240sw(ds);
-	int phy_addr;
-
-	phy_addr = ar7240_iort_to_phy_addr(port);
-	if (phy_addr < 0)
-		return 0xffff;
-
-	return ar7240sw_phy_read(as, phy_addr, regnum);
-}
-
-static int ar7240_dsa_phy_write(struct dsa_switch *ds, int port, int regnum,
-				u16 val)
-{
-	struct ar7240sw *as = dsa_to_ar7240sw(ds);
-	int phy_addr;
-
-	phy_addr = ar7240_iort_to_phy_addr(port);
-	if (phy_addr < 0)
-		return 0xffff;
-
-	return ar7240sw_phy_write(as, phy_addr, regnum, val);
-}
-
-static const char *ar7240sw_speed_str(unsigned speed)
-{
-	switch (speed) {
-	case AR7240_PORT_STATUS_SPEED_10:
-		return "10";
-	case AR7240_PORT_STATUS_SPEED_100:
-		return "100";
-	case AR7240_PORT_STATUS_SPEED_1000:
-		return "1000";
-	}
-
-	return "????";
-}
-
-static void ar7240_dsa_poll_link(struct dsa_switch *ds)
-{
-	struct ar7240sw *as = dsa_to_ar7240sw(ds);
-	int i;
-
-	for (i = 0; i < DSA_MAX_PORTS; i++) {
-		struct net_device *dev;
-		u32 status;
-		int link;
-		unsigned speed;
-		int duplex;
-
-		dev = ds->ports[i];
-		if (dev == NULL)
-			continue;
-
-		link = 0;
-		if (dev->flags & IFF_UP) {
-			status = ar7240sw_reg_read(as,
-						   AR7240_REG_PORT_STATUS(i));
-			link = !!(status & AR7240_PORT_STATUS_LINK_UP);
-		}
-
-		if (!link) {
-			if (netif_carrier_ok(dev)) {
-				pr_info("%s: link down\n", dev->name);
-				netif_carrier_off(dev);
-			}
-			continue;
-		}
-
-		speed = (status & AR7240_PORT_STATUS_SPEED_M);
-		duplex = (status & AR7240_PORT_STATUS_DUPLEX) ? 1 : 0;
-		if (!netif_carrier_ok(dev)) {
-			pr_info("%s: link up, %sMb/s, %s duplex",
-				dev->name,
-				ar7240sw_speed_str(speed),
-				duplex ? "full" : "half");
-			netif_carrier_on(dev);
-		}
-	}
-}
-
-static const struct ar7240sw_hw_stat ar7240_hw_stats[] = {
-	{ "rx_broadcast"	, 4, AR7240_STATS_RXBROAD, },
-	{ "rx_pause"		, 4, AR7240_STATS_RXPAUSE, },
-	{ "rx_multicast"	, 4, AR7240_STATS_RXMULTI, },
-	{ "rx_fcs_error"	, 4, AR7240_STATS_RXFCSERR, },
-	{ "rx_align_error"	, 4, AR7240_STATS_RXALIGNERR, },
-	{ "rx_undersize"	, 4, AR7240_STATS_RXRUNT, },
-	{ "rx_fragments"	, 4, AR7240_STATS_RXFRAGMENT, },
-	{ "rx_64bytes"		, 4, AR7240_STATS_RX64BYTE, },
-	{ "rx_65_127bytes"	, 4, AR7240_STATS_RX128BYTE, },
-	{ "rx_128_255bytes"	, 4, AR7240_STATS_RX256BYTE, },
-	{ "rx_256_511bytes"	, 4, AR7240_STATS_RX512BYTE, },
-	{ "rx_512_1023bytes"	, 4, AR7240_STATS_RX1024BYTE, },
-	{ "rx_1024_1518bytes"	, 4, AR7240_STATS_RX1518BYTE, },
-	{ "rx_1519_max_bytes"	, 4, AR7240_STATS_RXMAXBYTE, },
-	{ "rx_oversize"		, 4, AR7240_STATS_RXTOOLONG, },
-	{ "rx_good_bytes"	, 8, AR7240_STATS_RXGOODBYTE, },
-	{ "rx_bad_bytes"	, 8, AR7240_STATS_RXBADBYTE, },
-	{ "rx_overflow"		, 4, AR7240_STATS_RXOVERFLOW, },
-	{ "filtered"		, 4, AR7240_STATS_FILTERED, },
-	{ "tx_broadcast"	, 4, AR7240_STATS_TXBROAD, },
-	{ "tx_pause"		, 4, AR7240_STATS_TXPAUSE, },
-	{ "tx_multicast"	, 4, AR7240_STATS_TXMULTI, },
-	{ "tx_underrun"		, 4, AR7240_STATS_TXUNDERRUN, },
-	{ "tx_64bytes"		, 4, AR7240_STATS_TX64BYTE, },
-	{ "tx_65_127bytes"	, 4, AR7240_STATS_TX128BYTE, },
-	{ "tx_128_255bytes"	, 4, AR7240_STATS_TX256BYTE, },
-	{ "tx_256_511bytes"	, 4, AR7240_STATS_TX512BYTE, },
-	{ "tx_512_1023bytes"	, 4, AR7240_STATS_TX1024BYTE, },
-	{ "tx_1024_1518bytes"	, 4, AR7240_STATS_TX1518BYTE, },
-	{ "tx_1519_max_bytes"	, 4, AR7240_STATS_TXMAXBYTE, },
-	{ "tx_oversize"		, 4, AR7240_STATS_TXOVERSIZE, },
-	{ "tx_bytes"		, 8, AR7240_STATS_TXBYTE, },
-	{ "tx_collisions"	, 4, AR7240_STATS_TXCOLLISION, },
-	{ "tx_abort_collisions"	, 4, AR7240_STATS_TXABORTCOL, },
-	{ "tx_multi_collisions"	, 4, AR7240_STATS_TXMULTICOL, },
-	{ "tx_single_collisions", 4, AR7240_STATS_TXSINGLECOL, },
-	{ "tx_excessive_deferred", 4, AR7240_STATS_TXEXCDEFER, },
-	{ "tx_deferred"		, 4, AR7240_STATS_TXDEFER, },
-	{ "tx_late_collisions"	, 4, AR7240_STATS_TXLATECOL, },
-};
-
-static void ar7240_dsa_get_strings(struct dsa_switch *ds, int port,
-				   uint8_t *data)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(ar7240_hw_stats); i++) {
-		memcpy(data + i * ETH_GSTRING_LEN,
-		       ar7240_hw_stats[i].string, ETH_GSTRING_LEN);
-	}
-}
-
-static void ar7240_dsa_get_ethtool_stats(struct dsa_switch *ds, int port,
-					 uint64_t *data)
-{
-	struct ar7240sw *as = dsa_to_ar7240sw(ds);
-	int err;
-	int i;
-
-	mutex_lock(&as->stats_mutex);
-
-	err = ar7240sw_capture_stats(as);
-	if (err)
-		goto unlock;
-
-	for (i = 0; i < ARRAY_SIZE(ar7240_hw_stats); i++) {
-		const struct ar7240sw_hw_stat *s = &ar7240_hw_stats[i];
-		u32 reg = AR7240_REG_STATS_BASE(port);
-		u32 low;
-		u32 high;
-
-		low = ar7240sw_reg_read(as, reg + s->reg);
-		if (s->sizeof_stat == 8)
-			high = ar7240sw_reg_read(as, reg + s->reg);
-		else
-			high = 0;
-
-		data[i] = (((u64) high) << 32) | low;
-	}
-
- unlock:
-	mutex_unlock(&as->stats_mutex);
-}
-
-static int ar7240_dsa_get_sset_count(struct dsa_switch *ds)
-{
-	return ARRAY_SIZE(ar7240_hw_stats);
-}
-
-static struct dsa_switch_driver ar7240_dsa_driver = {
-	.tag_protocol		= htons(ETH_P_QINQ),
-	.priv_size		= sizeof(struct ar7240sw),
-	.probe			= ar7240_dsa_probe,
-	.setup			= ar7240_dsa_setup,
-	.set_addr		= ar7240_dsa_set_addr,
-	.phy_read		= ar7240_dsa_phy_read,
-	.phy_write		= ar7240_dsa_phy_write,
-	.poll_link		= ar7240_dsa_poll_link,
-	.get_strings		= ar7240_dsa_get_strings,
-	.get_ethtool_stats	= ar7240_dsa_get_ethtool_stats,
-	.get_sset_count		= ar7240_dsa_get_sset_count,
-};
-
-int __init dsa_ar7240_init(void)
-{
-	register_switch_driver(&ar7240_dsa_driver);
-	return 0;
-}
-module_init(dsa_ar7240_init);
-
-void __exit dsa_ar7240_cleanup(void)
-{
-	unregister_switch_driver(&ar7240_dsa_driver);
-}
-module_exit(dsa_ar7240_cleanup);
diff --git a/target/linux/ar71xx/files/net/dsa/tag_qinq.c b/target/linux/ar71xx/files/net/dsa/tag_qinq.c
deleted file mode 100644
index 68bcc38..0000000
--- a/target/linux/ar71xx/files/net/dsa/tag_qinq.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * net/dsa/tag_qinq.c - QinQ tag format handling
- * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
- *
- *  This file was based on:
- *    net/dsa/tag_edsa.c - Ethertype DSA tagging
- *    Copyright (c) 2008-2009 Marvell Semiconductor
- *
- * 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/etherdevice.h>
-#include <linux/list.h>
-#include <linux/netdevice.h>
-#include <linux/if_vlan.h>
-
-#include "dsa_priv.h"
-
-netdev_tx_t qinq_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct dsa_slave_priv *p = netdev_priv(dev);
-	struct vlan_ethhdr *veth;
-	unsigned int len;
-	int ret;
-
-	if (skb_cow_head(skb, VLAN_HLEN) < 0)
-		goto out_free_skb;
-
-	veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN);
-
-	/* Move the mac addresses to the beginning of the new header. */
-	memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN);
-	skb->mac_header -= VLAN_HLEN;
-
-	/* setup VLAN header fields */
-	veth->h_vlan_proto = htons(ETH_P_QINQ);
-	veth->h_vlan_TCI = htons(p->port);
-
-	len = skb->len;
-	skb->protocol = htons(ETH_P_QINQ);
-	skb->dev = p->parent->dst->master_netdev;
-
-	ret = dev_queue_xmit(skb);
-	if (unlikely(ret != NET_XMIT_SUCCESS))
-		goto out_dropped;
-
-	dev->stats.tx_packets++;
-	dev->stats.tx_bytes += len;
-
-	return NETDEV_TX_OK;
-
- out_free_skb:
-	kfree_skb(skb);
- out_dropped:
-	dev->stats.tx_dropped++;
-	return NETDEV_TX_OK;
-}
-
-static int qinq_rcv(struct sk_buff *skb, struct net_device *dev,
-		    struct packet_type *pt, struct net_device *orig_dev)
-{
-	struct dsa_switch_tree *dst;
-	struct dsa_switch *ds;
-	struct vlan_hdr *vhdr;
-	int source_port;
-
-	dst = dev->dsa_ptr;
-	if (unlikely(dst == NULL))
-		goto out_drop;
-	ds = dst->ds[0];
-
-	skb = skb_unshare(skb, GFP_ATOMIC);
-	if (skb == NULL)
-		goto out;
-
-	if (unlikely(!pskb_may_pull(skb, VLAN_HLEN)))
-		goto out_drop;
-
-	vhdr = (struct vlan_hdr *)skb->data;
-	source_port = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
-	if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
-		goto out_drop;
-
-	/* Remove the outermost VLAN tag and update checksum. */
-	skb_pull_rcsum(skb, VLAN_HLEN);
-	memmove(skb->data - ETH_HLEN,
-		skb->data - ETH_HLEN - VLAN_HLEN,
-		2 * ETH_ALEN);
-
-	skb->dev = ds->ports[source_port];
-	skb_push(skb, ETH_HLEN);
-	skb->pkt_type = PACKET_HOST;
-	skb->protocol = eth_type_trans(skb, skb->dev);
-
-	skb->dev->stats.rx_packets++;
-	skb->dev->stats.rx_bytes += skb->len;
-
-	netif_receive_skb(skb);
-
-	return 0;
-
- out_drop:
-	kfree_skb(skb);
- out:
-	return 0;
-}
-
-static struct packet_type qinq_packet_type __read_mostly = {
-	.type	= cpu_to_be16(ETH_P_QINQ),
-	.func	= qinq_rcv,
-};
-
-static int __init qinq_init_module(void)
-{
-	dev_add_pack(&qinq_packet_type);
-	return 0;
-}
-module_init(qinq_init_module);
-
-static void __exit qinq_cleanup_module(void)
-{
-	dev_remove_pack(&qinq_packet_type);
-}
-module_exit(qinq_cleanup_module);