Commit 498be968 authored by Hans de Goede's avatar Hans de Goede Committed by Jean Delvare
Browse files

hwmon: (f71882fg) Add support for the F71862FG superio sensors



This patch adds support for the Fintek f71862fg superio monitoring
functions to the f71882fg driver.

This support has been tested without problems on a Jetway J9F2 by
Tony McConnell.
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent c13548c5
......@@ -43,6 +43,7 @@
#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
#define SIO_FINTEK_ID 0x1934 /* Manufacturers ID */
#define SIO_F71862_ID 0x0601 /* Chipset ID */
#define SIO_F71882_ID 0x0541 /* Chipset ID */
#define REGION_LENGTH 8
......@@ -51,10 +52,10 @@
#define F71882FG_REG_PECI 0x0A
#define F71882FG_REG_IN_STATUS 0x12
#define F71882FG_REG_IN_BEEP 0x13
#define F71882FG_REG_IN_STATUS 0x12 /* f71882fg only */
#define F71882FG_REG_IN_BEEP 0x13 /* f71882fg only */
#define F71882FG_REG_IN(nr) (0x20 + (nr))
#define F71882FG_REG_IN1_HIGH 0x32
#define F71882FG_REG_IN1_HIGH 0x32 /* f71882fg only */
#define F71882FG_REG_FAN(nr) (0xA0 + (16 * (nr)))
#define F71882FG_REG_FAN_TARGET(nr) (0xA2 + (16 * (nr)))
......@@ -97,6 +98,13 @@ MODULE_PARM_DESC(fan_mode, "List of fan control modes (f71882fg only) "
"(0=don't change, 1=pwm, 2=rpm)\n"
"Note: this needs a write to pwm#_enable to take effect");
enum chips { f71862fg, f71882fg };
static const char *f71882fg_names[] = {
"f71862fg",
"f71882fg",
};
static struct platform_device *f71882fg_pdev;
/* Super-I/O Function prototypes */
......@@ -106,8 +114,13 @@ static inline void superio_enter(int base);
static inline void superio_select(int base, int ld);
static inline void superio_exit(int base);
struct f71882fg_sio_data {
enum chips type;
};
struct f71882fg_data {
unsigned short addr;
enum chips type;
struct device *hwmon_dev;
struct mutex update_lock;
......@@ -241,14 +254,9 @@ static struct platform_driver f71882fg_driver = {
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = {
static struct sensor_device_attribute_2 f718x2fg_in_temp_attr[] = {
SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
0, 1),
SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
0, 1),
SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
......@@ -300,7 +308,15 @@ static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = {
SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
};
static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = {
SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
0, 1),
SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
0, 1),
SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
};
static struct sensor_device_attribute_2 f718x2fg_fan_attr[] = {
SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
show_fan_full_speed,
......@@ -322,13 +338,6 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 2),
SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
show_fan_full_speed,
store_fan_full_speed, 0, 3),
SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 3),
SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
......@@ -338,6 +347,75 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
store_pwm_auto_point_channel, 0, 0),
SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
store_pwm_enable, 0, 1),
SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
show_pwm_interpolate, store_pwm_interpolate, 0, 1),
SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
store_pwm_auto_point_channel, 0, 1),
SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
store_pwm_enable, 0, 2),
SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
show_pwm_interpolate, store_pwm_interpolate, 0, 2),
SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
store_pwm_auto_point_channel, 0, 2),
};
static struct sensor_device_attribute_2 f71862fg_fan_attr[] = {
SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1, 0),
SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
4, 0),
SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_temp, store_pwm_auto_point_temp,
0, 0),
SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_temp, store_pwm_auto_point_temp,
3, 0),
SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
show_pwm_auto_point_temp_hyst,
store_pwm_auto_point_temp_hyst,
0, 0),
SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
show_pwm_auto_point_temp_hyst, NULL, 3, 0),
SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1, 1),
SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
4, 1),
SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_temp, store_pwm_auto_point_temp,
0, 1),
SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_temp, store_pwm_auto_point_temp,
3, 1),
SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
show_pwm_auto_point_temp_hyst,
store_pwm_auto_point_temp_hyst,
0, 1),
SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
show_pwm_auto_point_temp_hyst, NULL, 3, 1),
};
static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
show_fan_full_speed,
store_fan_full_speed, 0, 3),
SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 3),
SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
0, 0),
......@@ -376,14 +454,6 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
show_pwm_auto_point_temp_hyst, NULL, 3, 0),
SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
store_pwm_enable, 0, 1),
SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
show_pwm_interpolate, store_pwm_interpolate, 0, 1),
SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
store_pwm_auto_point_channel, 0, 1),
SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
0, 1),
......@@ -422,14 +492,6 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
show_pwm_auto_point_temp_hyst, NULL, 3, 1),
SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
store_pwm_enable, 0, 2),
SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
show_pwm_interpolate, store_pwm_interpolate, 0, 2),
SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
show_pwm_auto_point_channel,
store_pwm_auto_point_channel, 0, 2),
SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
0, 2),
......@@ -601,14 +663,19 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
{
struct f71882fg_data *data = dev_get_drvdata(dev);
int nr, reg, reg2;
int nr_fans = (data->type == f71862fg) ? 3 : 4;
mutex_lock(&data->update_lock);
/* Update once every 60 seconds */
if ( time_after(jiffies, data->last_limits + 60 * HZ ) ||
!data->valid) {
data->in1_max = f71882fg_read8(data, F71882FG_REG_IN1_HIGH);
data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
if (data->type == f71882fg) {
data->in1_max =
f71882fg_read8(data, F71882FG_REG_IN1_HIGH);
data->in_beep =
f71882fg_read8(data, F71882FG_REG_IN_BEEP);
}
/* Get High & boundary temps*/
for (nr = 0; nr < 3; nr++) {
......@@ -649,24 +716,42 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
F71882FG_REG_FAN_HYST0);
data->pwm_auto_point_hyst[1] = f71882fg_read8(data,
F71882FG_REG_FAN_HYST1);
for (nr = 0; nr < 4; nr++) {
int point;
for (nr = 0; nr < nr_fans; nr++) {
data->pwm_auto_point_mapping[nr] =
f71882fg_read8(data,
F71882FG_REG_POINT_MAPPING(nr));
for (point = 0; point < 5; point++) {
data->pwm_auto_point_pwm[nr][point] =
f71882fg_read8(data,
F71882FG_REG_POINT_PWM
(nr, point));
}
for (point = 0; point < 4; point++) {
data->pwm_auto_point_temp[nr][point] =
f71882fg_read8(data,
F71882FG_REG_POINT_TEMP
(nr, point));
if (data->type == f71882fg) {
int point;
for (point = 0; point < 5; point++) {
data->pwm_auto_point_pwm[nr][point] =
f71882fg_read8(data,
F71882FG_REG_POINT_PWM
(nr, point));
}
for (point = 0; point < 4; point++) {
data->pwm_auto_point_temp[nr][point] =
f71882fg_read8(data,
F71882FG_REG_POINT_TEMP
(nr, point));
}
} else {
data->pwm_auto_point_pwm[nr][1] =
f71882fg_read8(data,
F71882FG_REG_POINT_PWM
(nr, 1));
data->pwm_auto_point_pwm[nr][4] =
f71882fg_read8(data,
F71882FG_REG_POINT_PWM
(nr, 4));
data->pwm_auto_point_temp[nr][0] =
f71882fg_read8(data,
F71882FG_REG_POINT_TEMP
(nr, 0));
data->pwm_auto_point_temp[nr][3] =
f71882fg_read8(data,
F71882FG_REG_POINT_TEMP
(nr, 3));
}
}
data->last_limits = jiffies;
......@@ -684,7 +769,7 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
data->fan_status = f71882fg_read8(data,
F71882FG_REG_FAN_STATUS);
for (nr = 0; nr < 4; nr++) {
for (nr = 0; nr < nr_fans; nr++) {
data->fan[nr] = f71882fg_read16(data,
F71882FG_REG_FAN(nr));
data->fan_target[nr] =
......@@ -696,7 +781,8 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
f71882fg_read8(data, F71882FG_REG_PWM(nr));
}
data->in_status = f71882fg_read8(data,
if (data->type == f71882fg)
data->in_status = f71882fg_read8(data,
F71882FG_REG_IN_STATUS);
for (nr = 0; nr < 9; nr++)
data->in[nr] = f71882fg_read8(data,
......@@ -1144,13 +1230,15 @@ static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
data->pwm_enable &= ~(2 << (2 * nr));
break; /* Temperature ctrl */
}
switch (fan_mode[nr]) {
case 1:
data->pwm_enable |= 1 << (2 * nr);
break; /* Duty cycle mode */
case 2:
data->pwm_enable &= ~(1 << (2 * nr));
break; /* RPM mode */
if (data->type == f71882fg) {
switch (fan_mode[nr]) {
case 1:
data->pwm_enable |= 1 << (2 * nr);
break; /* Duty cycle mode */
case 2:
data->pwm_enable &= ~(1 << (2 * nr));
break; /* RPM mode */
}
}
f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
mutex_unlock(&data->update_lock);
......@@ -1386,7 +1474,8 @@ static ssize_t store_pwm_auto_point_temp(struct device *dev,
static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
char *buf)
{
return sprintf(buf, DRVNAME "\n");
struct f71882fg_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", f71882fg_names[data->type]);
}
static int __devinit f71882fg_create_sysfs_files(struct platform_device *pdev,
......@@ -1405,6 +1494,7 @@ static int __devinit f71882fg_create_sysfs_files(struct platform_device *pdev,
static int __devinit f71882fg_probe(struct platform_device *pdev)
{
struct f71882fg_data *data;
struct f71882fg_sio_data *sio_data = pdev->dev.platform_data;
int err;
u8 start_reg;
......@@ -1413,6 +1503,7 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
return -ENOMEM;
data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
data->type = sio_data->type;
mutex_init(&data->update_lock);
platform_set_drvdata(pdev, data);
......@@ -1423,15 +1514,35 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
start_reg = f71882fg_read8(data, F71882FG_REG_START);
if (start_reg & 0x01) {
err = f71882fg_create_sysfs_files(pdev, f71882fg_in_temp_attr,
ARRAY_SIZE(f71882fg_in_temp_attr));
err = f71882fg_create_sysfs_files(pdev, f718x2fg_in_temp_attr,
ARRAY_SIZE(f718x2fg_in_temp_attr));
if (err)
goto exit_unregister_sysfs;
if (data->type == f71882fg) {
err = f71882fg_create_sysfs_files(pdev,
f71882fg_in_temp_attr,
ARRAY_SIZE(f71882fg_in_temp_attr));
if (err)
goto exit_unregister_sysfs;
}
}
if (start_reg & 0x02) {
err = f71882fg_create_sysfs_files(pdev, f71882fg_fan_attr,
err = f71882fg_create_sysfs_files(pdev, f718x2fg_fan_attr,
ARRAY_SIZE(f718x2fg_fan_attr));
if (err)
goto exit_unregister_sysfs;
if (data->type == f71862fg) {
err = f71882fg_create_sysfs_files(pdev,
f71862fg_fan_attr,
ARRAY_SIZE(f71862fg_fan_attr));
} else {
err = f71882fg_create_sysfs_files(pdev,
f71882fg_fan_attr,
ARRAY_SIZE(f71882fg_fan_attr));
}
if (err)
goto exit_unregister_sysfs;
}
......@@ -1462,10 +1573,20 @@ static int f71882fg_remove(struct platform_device *pdev)
device_remove_file(&pdev->dev, &dev_attr_name);
for (i = 0; i < ARRAY_SIZE(f718x2fg_in_temp_attr); i++)
device_remove_file(&pdev->dev,
&f718x2fg_in_temp_attr[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++)
device_remove_file(&pdev->dev,
&f71882fg_in_temp_attr[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(f718x2fg_fan_attr); i++)
device_remove_file(&pdev->dev, &f718x2fg_fan_attr[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(f71862fg_fan_attr); i++)
device_remove_file(&pdev->dev, &f71862fg_fan_attr[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++)
device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr);
......@@ -1474,11 +1595,12 @@ static int f71882fg_remove(struct platform_device *pdev)
return 0;
}
static int __init f71882fg_find(int sioaddr, unsigned short *address)
static int __init f71882fg_find(int sioaddr, unsigned short *address,
struct f71882fg_sio_data *sio_data)
{
int err = -ENODEV;
u16 devid;
u8 start_reg;
u8 reg;
struct f71882fg_data data;
superio_enter(sioaddr);
......@@ -1490,7 +1612,14 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address)
}
devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
if (devid != SIO_F71882_ID) {
switch (devid) {
case SIO_F71862_ID:
sio_data->type = f71862fg;
break;
case SIO_F71882_ID:
sio_data->type = f71882fg;
break;
default:
printk(KERN_INFO DRVNAME ": Unsupported Fintek device\n");
goto exit;
}
......@@ -1510,23 +1639,35 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address)
*address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
data.addr = *address;
start_reg = f71882fg_read8(&data, F71882FG_REG_START);
if (!(start_reg & 0x03)) {
reg = f71882fg_read8(&data, F71882FG_REG_START);
if (!(reg & 0x03)) {
printk(KERN_WARNING DRVNAME
": Hardware monitoring not activated\n");
goto exit;
}
/* If it is a 71862 and the fan / pwm part is enabled sanity check
the pwm settings */
if (sio_data->type == f71862fg && (reg & 0x02)) {
reg = f71882fg_read8(&data, F71882FG_REG_PWM_ENABLE);
if ((reg & 0x15) != 0x15) {
printk(KERN_ERR DRVNAME
": Invalid (reserved) pwm settings: 0x%02x\n",
(unsigned int)reg);
goto exit;
}
}
err = 0;
printk(KERN_INFO DRVNAME ": Found F71882FG chip at %#x, revision %d\n",
(unsigned int)*address,
printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %d\n",
f71882fg_names[sio_data->type], (unsigned int)*address,
(int)superio_inb(sioaddr, SIO_REG_DEVREV));
exit:
superio_exit(sioaddr);
return err;
}
static int __init f71882fg_device_add(unsigned short address)
static int __init f71882fg_device_add(unsigned short address,
const struct f71882fg_sio_data *sio_data)
{
struct resource res = {
.start = address,
......@@ -1546,6 +1687,13 @@ static int __init f71882fg_device_add(unsigned short address)
goto exit_device_put;
}
err = platform_device_add_data(f71882fg_pdev, sio_data,
sizeof(struct f71882fg_sio_data));
if (err) {
printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
goto exit_device_put;
}
err = platform_device_add(f71882fg_pdev);
if (err) {
printk(KERN_ERR DRVNAME ": Device addition failed\n");
......@@ -1564,15 +1712,19 @@ static int __init f71882fg_init(void)
{
int err = -ENODEV;
unsigned short address;
struct f71882fg_sio_data sio_data;
memset(&sio_data, 0, sizeof(sio_data));
if (f71882fg_find(0x2e, &address) && f71882fg_find(0x4e, &address))
if (f71882fg_find(0x2e, &address, &sio_data) &&
f71882fg_find(0x4e, &address, &sio_data))
goto exit;
err = platform_driver_register(&f71882fg_driver);
if (err)
goto exit;
err = f71882fg_device_add(address);
err = f71882fg_device_add(address, &sio_data);
if (err)
goto exit_driver;
......
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