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Merge branch 'mv88r6xxx-eeprom-rework'

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Vivien Didelot says:

====================
net: dsa: mv88e6xxx: rework EEPROM code

Some switches can access an optional external EEPROM via its registers.

The 88E6352 family of switches have 8-bit address / 16-bit data access.
The new 88E6390 family has 16-bit address / 8-bit data access.

This patchset cleans up the EEPROM code with 16-suffixed Global2 helpers
and makes it easy to add future support for 8-bit data EEPROM access.

It also removes unnecessary mutexes and a few locked access functions.

Changes in v2:
  - add missing Signed-off-by tag
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-07-20 21:10:55 -07:00
commit 4c37fb15ac
2 changed files with 258 additions and 305 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

518
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -254,35 +254,12 @@ static int _mv88e6xxx_reg_read(struct mv88e6xxx_chip *chip, int addr, int reg)
return val;
}
static int mv88e6xxx_reg_read(struct mv88e6xxx_chip *chip, int addr, int reg)
{
int ret;
mutex_lock(&chip->reg_lock);
ret = _mv88e6xxx_reg_read(chip, addr, reg);
mutex_unlock(&chip->reg_lock);
return ret;
}
static int _mv88e6xxx_reg_write(struct mv88e6xxx_chip *chip, int addr,
int reg, u16 val)
{
return mv88e6xxx_write(chip, addr, reg, val);
}
static int mv88e6xxx_reg_write(struct mv88e6xxx_chip *chip, int addr,
int reg, u16 val)
{
int ret;
mutex_lock(&chip->reg_lock);
ret = _mv88e6xxx_reg_write(chip, addr, reg, val);
mutex_unlock(&chip->reg_lock);
return ret;
}
static int mv88e6xxx_mdio_read_direct(struct mv88e6xxx_chip *chip,
int addr, int regnum)
{
@ -861,259 +838,12 @@ static int _mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int reg, int offset,
return -ETIMEDOUT;
}
static int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int reg,
int offset, u16 mask)
{
int ret;
mutex_lock(&chip->reg_lock);
ret = _mv88e6xxx_wait(chip, reg, offset, mask);
mutex_unlock(&chip->reg_lock);
return ret;
}
static int mv88e6xxx_mdio_wait(struct mv88e6xxx_chip *chip)
{
return _mv88e6xxx_wait(chip, REG_GLOBAL2, GLOBAL2_SMI_OP,
GLOBAL2_SMI_OP_BUSY);
}
static int mv88e6xxx_eeprom_load_wait(struct dsa_switch *ds)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
return mv88e6xxx_wait(chip, REG_GLOBAL2, GLOBAL2_EEPROM_OP,
GLOBAL2_EEPROM_OP_LOAD);
}
static int mv88e6xxx_eeprom_busy_wait(struct dsa_switch *ds)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
return mv88e6xxx_wait(chip, REG_GLOBAL2, GLOBAL2_EEPROM_OP,
GLOBAL2_EEPROM_OP_BUSY);
}
static int mv88e6xxx_read_eeprom_word(struct dsa_switch *ds, int addr)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int ret;
mutex_lock(&chip->eeprom_mutex);
ret = mv88e6xxx_reg_write(chip, REG_GLOBAL2, GLOBAL2_EEPROM_OP,
GLOBAL2_EEPROM_OP_READ |
(addr & GLOBAL2_EEPROM_OP_ADDR_MASK));
if (ret < 0)
goto error;
ret = mv88e6xxx_eeprom_busy_wait(ds);
if (ret < 0)
goto error;
ret = mv88e6xxx_reg_read(chip, REG_GLOBAL2, GLOBAL2_EEPROM_DATA);
error:
mutex_unlock(&chip->eeprom_mutex);
return ret;
}
static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_EEPROM))
return chip->eeprom_len;
return 0;
}
static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
struct ethtool_eeprom *eeprom, u8 *data)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int offset;
int len;
int ret;
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_EEPROM))
return -EOPNOTSUPP;
offset = eeprom->offset;
len = eeprom->len;
eeprom->len = 0;
eeprom->magic = 0xc3ec4951;
ret = mv88e6xxx_eeprom_load_wait(ds);
if (ret < 0)
return ret;
if (offset & 1) {
int word;
word = mv88e6xxx_read_eeprom_word(ds, offset >> 1);
if (word < 0)
return word;
*data++ = (word >> 8) & 0xff;
offset++;
len--;
eeprom->len++;
}
while (len >= 2) {
int word;
word = mv88e6xxx_read_eeprom_word(ds, offset >> 1);
if (word < 0)
return word;
*data++ = word & 0xff;
*data++ = (word >> 8) & 0xff;
offset += 2;
len -= 2;
eeprom->len += 2;
}
if (len) {
int word;
word = mv88e6xxx_read_eeprom_word(ds, offset >> 1);
if (word < 0)
return word;
*data++ = word & 0xff;
offset++;
len--;
eeprom->len++;
}
return 0;
}
static int mv88e6xxx_eeprom_is_readonly(struct dsa_switch *ds)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int ret;
ret = mv88e6xxx_reg_read(chip, REG_GLOBAL2, GLOBAL2_EEPROM_OP);
if (ret < 0)
return ret;
if (!(ret & GLOBAL2_EEPROM_OP_WRITE_EN))
return -EROFS;
return 0;
}
static int mv88e6xxx_write_eeprom_word(struct dsa_switch *ds, int addr,
u16 data)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int ret;
mutex_lock(&chip->eeprom_mutex);
ret = mv88e6xxx_reg_write(chip, REG_GLOBAL2, GLOBAL2_EEPROM_DATA, data);
if (ret < 0)
goto error;
ret = mv88e6xxx_reg_write(chip, REG_GLOBAL2, GLOBAL2_EEPROM_OP,
GLOBAL2_EEPROM_OP_WRITE |
(addr & GLOBAL2_EEPROM_OP_ADDR_MASK));
if (ret < 0)
goto error;
ret = mv88e6xxx_eeprom_busy_wait(ds);
error:
mutex_unlock(&chip->eeprom_mutex);
return ret;
}
static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
struct ethtool_eeprom *eeprom, u8 *data)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int offset;
int ret;
int len;
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_EEPROM))
return -EOPNOTSUPP;
if (eeprom->magic != 0xc3ec4951)
return -EINVAL;
ret = mv88e6xxx_eeprom_is_readonly(ds);
if (ret)
return ret;
offset = eeprom->offset;
len = eeprom->len;
eeprom->len = 0;
ret = mv88e6xxx_eeprom_load_wait(ds);
if (ret < 0)
return ret;
if (offset & 1) {
int word;
word = mv88e6xxx_read_eeprom_word(ds, offset >> 1);
if (word < 0)
return word;
word = (*data++ << 8) | (word & 0xff);
ret = mv88e6xxx_write_eeprom_word(ds, offset >> 1, word);
if (ret < 0)
return ret;
offset++;
len--;
eeprom->len++;
}
while (len >= 2) {
int word;
word = *data++;
word |= *data++ << 8;
ret = mv88e6xxx_write_eeprom_word(ds, offset >> 1, word);
if (ret < 0)
return ret;
offset += 2;
len -= 2;
eeprom->len += 2;
}
if (len) {
int word;
word = mv88e6xxx_read_eeprom_word(ds, offset >> 1);
if (word < 0)
return word;
word = (word & 0xff00) | *data++;
ret = mv88e6xxx_write_eeprom_word(ds, offset >> 1, word);
if (ret < 0)
return ret;
offset++;
len--;
eeprom->len++;
}
return 0;
}
static int _mv88e6xxx_atu_wait(struct mv88e6xxx_chip *chip)
{
return _mv88e6xxx_wait(chip, REG_GLOBAL, GLOBAL_ATU_OP,
@ -2685,6 +2415,17 @@ static int mv88e6xxx_power_on_serdes(struct mv88e6xxx_chip *chip)
return ret;
}
static int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port,
int reg, u16 *val)
{
int addr = chip->info->port_base_addr + port;
if (port >= chip->info->num_ports)
return -EINVAL;
return mv88e6xxx_read(chip, addr, reg, val);
}
static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
{
struct dsa_switch *ds = chip->ds;
@ -3261,6 +3002,58 @@ static int mv88e6xxx_g2_clear_pot(struct mv88e6xxx_chip *chip)
return err;
}
static int mv88e6xxx_g2_eeprom_wait(struct mv88e6xxx_chip *chip)
{
return _mv88e6xxx_wait(chip, REG_GLOBAL2, GLOBAL2_EEPROM_CMD,
GLOBAL2_EEPROM_CMD_BUSY |
GLOBAL2_EEPROM_CMD_RUNNING);
}
static int mv88e6xxx_g2_eeprom_cmd(struct mv88e6xxx_chip *chip, u16 cmd)
{
int err;
err = mv88e6xxx_write(chip, REG_GLOBAL2, GLOBAL2_EEPROM_CMD, cmd);
if (err)
return err;
return mv88e6xxx_g2_eeprom_wait(chip);
}
static int mv88e6xxx_g2_eeprom_read16(struct mv88e6xxx_chip *chip,
u8 addr, u16 *data)
{
u16 cmd = GLOBAL2_EEPROM_CMD_OP_READ | addr;
int err;
err = mv88e6xxx_g2_eeprom_wait(chip);
if (err)
return err;
err = mv88e6xxx_g2_eeprom_cmd(chip, cmd);
if (err)
return err;
return mv88e6xxx_read(chip, REG_GLOBAL2, GLOBAL2_EEPROM_DATA, data);
}
static int mv88e6xxx_g2_eeprom_write16(struct mv88e6xxx_chip *chip,
u8 addr, u16 data)
{
u16 cmd = GLOBAL2_EEPROM_CMD_OP_WRITE | addr;
int err;
err = mv88e6xxx_g2_eeprom_wait(chip);
if (err)
return err;
err = mv88e6xxx_write(chip, REG_GLOBAL2, GLOBAL2_EEPROM_DATA, data);
if (err)
return err;
return mv88e6xxx_g2_eeprom_cmd(chip, cmd);
}
static int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip)
{
u16 reg;
@ -3345,9 +3138,6 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
chip->ds = ds;
ds->slave_mii_bus = chip->mdio_bus;
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_EEPROM))
mutex_init(&chip->eeprom_mutex);
mutex_lock(&chip->reg_lock);
err = mv88e6xxx_switch_reset(chip);
@ -3670,6 +3460,173 @@ static int mv88e6xxx_get_temp_alarm(struct dsa_switch *ds, bool *alarm)
}
#endif /* CONFIG_NET_DSA_HWMON */
static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
return chip->eeprom_len;
}
static int mv88e6xxx_get_eeprom16(struct mv88e6xxx_chip *chip,
struct ethtool_eeprom *eeprom, u8 *data)
{
unsigned int offset = eeprom->offset;
unsigned int len = eeprom->len;
u16 val;
int err;
eeprom->len = 0;
if (offset & 1) {
err = mv88e6xxx_g2_eeprom_read16(chip, offset >> 1, &val);
if (err)
return err;
*data++ = (val >> 8) & 0xff;
offset++;
len--;
eeprom->len++;
}
while (len >= 2) {
err = mv88e6xxx_g2_eeprom_read16(chip, offset >> 1, &val);
if (err)
return err;
*data++ = val & 0xff;
*data++ = (val >> 8) & 0xff;
offset += 2;
len -= 2;
eeprom->len += 2;
}
if (len) {
err = mv88e6xxx_g2_eeprom_read16(chip, offset >> 1, &val);
if (err)
return err;
*data++ = val & 0xff;
offset++;
len--;
eeprom->len++;
}
return 0;
}
static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
struct ethtool_eeprom *eeprom, u8 *data)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int err;
mutex_lock(&chip->reg_lock);
if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_EEPROM16))
err = mv88e6xxx_get_eeprom16(chip, eeprom, data);
else
err = -EOPNOTSUPP;
mutex_unlock(&chip->reg_lock);
if (err)
return err;
eeprom->magic = 0xc3ec4951;
return 0;
}
static int mv88e6xxx_set_eeprom16(struct mv88e6xxx_chip *chip,
struct ethtool_eeprom *eeprom, u8 *data)
{
unsigned int offset = eeprom->offset;
unsigned int len = eeprom->len;
u16 val;
int err;
/* Ensure the RO WriteEn bit is set */
err = mv88e6xxx_read(chip, REG_GLOBAL2, GLOBAL2_EEPROM_CMD, &val);
if (err)
return err;
if (!(val & GLOBAL2_EEPROM_CMD_WRITE_EN))
return -EROFS;
eeprom->len = 0;
if (offset & 1) {
err = mv88e6xxx_g2_eeprom_read16(chip, offset >> 1, &val);
if (err)
return err;
val = (*data++ << 8) | (val & 0xff);
err = mv88e6xxx_g2_eeprom_write16(chip, offset >> 1, val);
if (err)
return err;
offset++;
len--;
eeprom->len++;
}
while (len >= 2) {
val = *data++;
val |= *data++ << 8;
err = mv88e6xxx_g2_eeprom_write16(chip, offset >> 1, val);
if (err)
return err;
offset += 2;
len -= 2;
eeprom->len += 2;
}
if (len) {
err = mv88e6xxx_g2_eeprom_read16(chip, offset >> 1, &val);
if (err)
return err;
val = (val & 0xff00) | *data++;
err = mv88e6xxx_g2_eeprom_write16(chip, offset >> 1, val);
if (err)
return err;
offset++;
len--;
eeprom->len++;
}
return 0;
}
static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
struct ethtool_eeprom *eeprom, u8 *data)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int err;
if (eeprom->magic != 0xc3ec4951)
return -EINVAL;
mutex_lock(&chip->reg_lock);
if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_EEPROM16))
err = mv88e6xxx_set_eeprom16(chip, eeprom, data);
else
err = -EOPNOTSUPP;
mutex_unlock(&chip->reg_lock);
return err;
}
static const struct mv88e6xxx_info mv88e6xxx_table[] = {
[MV88E6085] = {
.prod_num = PORT_SWITCH_ID_PROD_NUM_6085,
@ -3873,12 +3830,15 @@ static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
{
const struct mv88e6xxx_info *info;
int id, prod_num, rev;
unsigned int prod_num, rev;
u16 id;
int err;
id = mv88e6xxx_reg_read(chip, chip->info->port_base_addr,
PORT_SWITCH_ID);
if (id < 0)
return id;
mutex_lock(&chip->reg_lock);
err = mv88e6xxx_port_read(chip, 0, PORT_SWITCH_ID, &id);
mutex_unlock(&chip->reg_lock);
if (err)
return err;
prod_num = (id & 0xfff0) >> 4;
rev = id & 0x000f;
@ -4063,7 +4023,7 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
if (IS_ERR(chip->reset))
return PTR_ERR(chip->reset);
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_EEPROM) &&
if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_EEPROM16) &&
!of_property_read_u32(np, "eeprom-length", &eeprom_len))
chip->eeprom_len = eeprom_len;

45
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
View File

@ -318,13 +318,14 @@
#define GLOBAL2_PRIO_OVERRIDE_SNOOP_SHIFT 4
#define GLOBAL2_PRIO_OVERRIDE_FORCE_ARP BIT(3)
#define GLOBAL2_PRIO_OVERRIDE_ARP_SHIFT 0
#define GLOBAL2_EEPROM_OP 0x14
#define GLOBAL2_EEPROM_OP_BUSY BIT(15)
#define GLOBAL2_EEPROM_OP_WRITE ((3 << 12) | GLOBAL2_EEPROM_OP_BUSY)
#define GLOBAL2_EEPROM_OP_READ ((4 << 12) | GLOBAL2_EEPROM_OP_BUSY)
#define GLOBAL2_EEPROM_OP_LOAD BIT(11)
#define GLOBAL2_EEPROM_OP_WRITE_EN BIT(10)
#define GLOBAL2_EEPROM_OP_ADDR_MASK 0xff
#define GLOBAL2_EEPROM_CMD 0x14
#define GLOBAL2_EEPROM_CMD_BUSY BIT(15)
#define GLOBAL2_EEPROM_CMD_OP_WRITE ((0x3 << 12) | GLOBAL2_EEPROM_CMD_BUSY)
#define GLOBAL2_EEPROM_CMD_OP_READ ((0x4 << 12) | GLOBAL2_EEPROM_CMD_BUSY)
#define GLOBAL2_EEPROM_CMD_OP_LOAD ((0x6 << 12) | GLOBAL2_EEPROM_CMD_BUSY)
#define GLOBAL2_EEPROM_CMD_RUNNING BIT(11)
#define GLOBAL2_EEPROM_CMD_WRITE_EN BIT(10)
#define GLOBAL2_EEPROM_CMD_ADDR_MASK 0xff
#define GLOBAL2_EEPROM_DATA 0x15
#define GLOBAL2_PTP_AVB_OP 0x16
#define GLOBAL2_PTP_AVB_DATA 0x17
@ -387,11 +388,6 @@ enum mv88e6xxx_cap {
*/
MV88E6XXX_CAP_EEE,
/* EEPROM Command and Data registers.
* See GLOBAL2_EEPROM_OP and GLOBAL2_EEPROM_DATA.
*/
MV88E6XXX_CAP_EEPROM,
/* Switch Global 2 Registers.
* The device contains a second set of global 16-bit registers.
*/
@ -404,6 +400,8 @@ enum mv88e6xxx_cap {
MV88E6XXX_CAP_G2_PVT_DATA, /* (0x0c) Cross Chip Port VLAN Data */
MV88E6XXX_CAP_G2_SWITCH_MAC, /* (0x0d) Switch MAC/WoL/WoF */
MV88E6XXX_CAP_G2_POT, /* (0x0f) Priority Override Table */
MV88E6XXX_CAP_G2_EEPROM_CMD, /* (0x14) EEPROM Command */
MV88E6XXX_CAP_G2_EEPROM_DATA, /* (0x15) EEPROM Data */
/* Multi-chip Addressing Mode.
* Some chips require an indirect SMI access when their SMI device
@ -443,7 +441,6 @@ enum mv88e6xxx_cap {
/* Bitmask of capabilities */
#define MV88E6XXX_FLAG_EEE BIT(MV88E6XXX_CAP_EEE)
#define MV88E6XXX_FLAG_EEPROM BIT(MV88E6XXX_CAP_EEPROM)
#define MV88E6XXX_FLAG_GLOBAL2 BIT(MV88E6XXX_CAP_GLOBAL2)
#define MV88E6XXX_FLAG_G2_MGMT_EN_2X BIT(MV88E6XXX_CAP_G2_MGMT_EN_2X)
#define MV88E6XXX_FLAG_G2_MGMT_EN_0X BIT(MV88E6XXX_CAP_G2_MGMT_EN_0X)
@ -453,6 +450,8 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAG_G2_PVT_DATA BIT(MV88E6XXX_CAP_G2_PVT_DATA)
#define MV88E6XXX_FLAG_G2_SWITCH_MAC BIT(MV88E6XXX_CAP_G2_SWITCH_MAC)
#define MV88E6XXX_FLAG_G2_POT BIT(MV88E6XXX_CAP_G2_POT)
#define MV88E6XXX_FLAG_G2_EEPROM_CMD BIT(MV88E6XXX_CAP_G2_EEPROM_CMD)
#define MV88E6XXX_FLAG_G2_EEPROM_DATA BIT(MV88E6XXX_CAP_G2_EEPROM_DATA)
#define MV88E6XXX_FLAG_MULTI_CHIP BIT(MV88E6XXX_CAP_MULTI_CHIP)
#define MV88E6XXX_FLAG_PPU BIT(MV88E6XXX_CAP_PPU)
#define MV88E6XXX_FLAG_PPU_ACTIVE BIT(MV88E6XXX_CAP_PPU_ACTIVE)
@ -462,6 +461,11 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAG_TEMP_LIMIT BIT(MV88E6XXX_CAP_TEMP_LIMIT)
#define MV88E6XXX_FLAG_VTU BIT(MV88E6XXX_CAP_VTU)
/* EEPROM Programming via Global2 with 16-bit data */
#define MV88E6XXX_FLAGS_EEPROM16 \
(MV88E6XXX_FLAG_G2_EEPROM_CMD | \
MV88E6XXX_FLAG_G2_EEPROM_DATA)
/* Ingress Rate Limit unit */
#define MV88E6XXX_FLAGS_IRL \
(MV88E6XXX_FLAG_G2_IRL_CMD | \
@ -513,7 +517,6 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAGS_FAMILY_6320 \
(MV88E6XXX_FLAG_EEE | \
MV88E6XXX_FLAG_EEPROM | \
MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
@ -525,6 +528,7 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_TEMP | \
MV88E6XXX_FLAG_TEMP_LIMIT | \
MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_EEPROM16 | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_PVT)
@ -545,7 +549,6 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAGS_FAMILY_6352 \
(MV88E6XXX_FLAG_EEE | \
MV88E6XXX_FLAG_EEPROM | \
MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
@ -558,6 +561,7 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_TEMP | \
MV88E6XXX_FLAG_TEMP_LIMIT | \
MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_EEPROM16 | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_PVT)
@ -629,17 +633,6 @@ struct mv88e6xxx_chip {
*/
struct mutex stats_mutex;
/* This mutex serializes phy access for chips with
* indirect phy addressing. It is unused for chips
* with direct phy access.
*/
struct mutex phy_mutex;
/* This mutex serializes eeprom access for chips with
* eeprom support.
*/
struct mutex eeprom_mutex;
struct mv88e6xxx_priv_port ports[DSA_MAX_PORTS];
/* A switch may have a GPIO line tied to its reset pin. Parse