static ssize_t set_fan_min(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
int nr = attr->index;
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->fan_low[nr] = fan_to_reg(val);
f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->temp_max[index] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(index),
data->temp_max[index]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_w_member_data(struct device *dev, struct device_attribute \
*dev_attr, const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr);
long data;
int error;
if (attr->index == PSU_SELECT_MEMBER) {
error = kstrtol(buf, 16, &data);
if (error)
return error;
if (SELECT_PSU1_EEPROM == data) {
psu_member_data = SELECT_PSU1_EEPROM;
} else if (SELECT_PSU2_EEPROM == data) {
psu_member_data = SELECT_PSU2_EEPROM;
} else {
return -EINVAL;
}
}
return count;
}
static ssize_t set_temp1_crit_hyst(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm92_data *data = i2c_get_clientdata(client);
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val;
i2c_smbus_write_word_swapped(client, LM92_REG_TEMP_HYST,
TEMP_TO_REG(data->temp1_hyst));
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t ade7854_write_8bit(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ade7854_state *st = iio_priv(indio_dev);
int ret;
long val;
ret = kstrtol(buf, 10, &val);
if (ret)
goto error_ret;
ret = st->write_reg_8(dev, this_attr->address, val);
error_ret:
return ret ? ret : len;
}
static ssize_t
nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a,
const char *buf, size_t count)
{
struct drm_device *dev = dev_get_drvdata(d);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_therm *therm = nouveau_therm(drm->device);
long value;
int ret;
ret = kstrtol(buf, 10, &value);
if (ret)
return ret;
ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MODE, value);
if (ret)
return ret;
else
return count;
}
/*---write channel 1..4 to rxon for it, 0 to rxoff---*/
static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
int rc;
long channel;
bool on;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
if (!kbuf)
return -ENOMEM;
if (copy_from_user(kbuf, buf, len)) {
kfree(kbuf);
return -EIO;
}
kbuf[len] = '\0';
rc = kstrtol(kbuf, 0, &channel);
kfree(kbuf);
if (rc)
return rc;
if ((channel < 0) || (channel > 4)) {
wil_err(wil, "Invalid channel %ld\n", channel);
return -EINVAL;
}
on = !!channel;
if (on) {
rc = wmi_set_channel(wil, (int)channel);
if (rc)
return rc;
}
rc = wmi_rxon(wil, on);
if (rc)
return rc;
return len;
}
static ssize_t l2_all_counter_srcx_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos, u32 src_id)
{
char buf[64];
long val;
int ret;
u32 l2_id;
struct mali_l2_cache_core *l2_cache;
if (cnt >= sizeof(buf)) {
return -EINVAL;
}
if (copy_from_user(&buf, ubuf, cnt)) {
return -EFAULT;
}
buf[cnt] = 0;
ret = kstrtol(buf, 10, &val);
if (ret < 0) {
return ret;
}
if (val < 0) {
/* any negative input will disable counter */
val = MALI_HW_CORE_NO_COUNTER;
}
l2_id = 0;
l2_cache = mali_l2_cache_core_get_glob_l2_core(l2_id);
while (NULL != l2_cache) {
mali_l2_cache_core_set_counter_src(l2_cache, src_id, (u32)val);
/* try next L2 */
l2_id++;
l2_cache = mali_l2_cache_core_get_glob_l2_core(l2_id);
}
*ppos += cnt;
return cnt;
}
ssize_t ide_park_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t len)
{
#define MAX_PARK_TIMEOUT 30000
ide_drive_t *drive = to_ide_device(dev);
long int input;
int rc;
rc = kstrtol(buf, 10, &input);
if (rc)
return rc;
if (input < -2)
return -EINVAL;
if (input > MAX_PARK_TIMEOUT) {
input = MAX_PARK_TIMEOUT;
rc = -EOVERFLOW;
}
mutex_lock(&ide_setting_mtx);
if (input >= 0) {
if (drive->dev_flags & IDE_DFLAG_NO_UNLOAD)
rc = -EOPNOTSUPP;
else if (input || drive->dev_flags & IDE_DFLAG_PARKED)
issue_park_cmd(drive, msecs_to_jiffies(input));
} else {
if (drive->media == ide_disk)
switch (input) {
case -1:
drive->dev_flags &= ~IDE_DFLAG_NO_UNLOAD;
break;
case -2:
drive->dev_flags |= IDE_DFLAG_NO_UNLOAD;
break;
}
else
rc = -EOPNOTSUPP;
}
mutex_unlock(&ide_setting_mtx);
return rc ? rc : len;
}
static ssize_t tmp102_set_temp(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
struct i2c_client *client = to_i2c_client(dev);
struct tmp102 *tmp102 = i2c_get_clientdata(client);
long val;
int status;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
val = clamp_val(val, -256000, 255000);
mutex_lock(&tmp102->lock);
tmp102->temp[sda->index] = val;
status = i2c_smbus_write_word_swapped(client, tmp102_reg[sda->index],
tmp102_mC_to_reg(val));
mutex_unlock(&tmp102->lock);
return status ? : count;
}
static ssize_t ep93xx_pwm_set_invert(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct platform_device *pdev = to_platform_device(dev);
struct ep93xx_pwm *pwm = platform_get_drvdata(pdev);
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return -EINVAL;
if (val == 0)
writel(0x0, pwm->mmio_base + EP93XX_PWMx_INVERT);
else if (val == 1)
writel(0x1, pwm->mmio_base + EP93XX_PWMx_INVERT);
else
return -EINVAL;
return count;
}
static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct lm83_data *data = i2c_get_clientdata(client);
long val;
int nr = attr->index;
int err;
err = kstrtol(buf, 10, &val);
if (err < 0)
return err;
mutex_lock(&data->update_lock);
data->temp[nr] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, LM83_REG_W_HIGH[nr - 4],
data->temp[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct smsc47m192_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MAX[nr],
data->temp_max[nr]);
mutex_unlock(&data->update_lock);
return count;
}
/*
* And now the other way around, user-space provides an absolute
* hysteresis value and we have to store a relative one
*/
static ssize_t set_temp2_crit_hyst(struct device *dev,
struct device_attribute *dummy,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
long val;
int err;
long hyst;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
hyst = temp8_from_reg(data, 2) + data->temp2_offset - val;
i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST,
HYST_TO_REG(hyst));
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_hyst(struct device *dev,
struct device_attribute *devattr,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct lm92_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->temp[t_hyst] = TEMP_FROM_REG(data->temp[attr->index]) - val;
i2c_smbus_write_word_swapped(client, LM92_REG_TEMP_HYST,
TEMP_TO_REG(data->temp[t_hyst]));
mutex_unlock(&data->update_lock);
return count;
}
int main(int argc, char *argv[])
{
char *number_str = NULL;
long n = 1000;
int c, res;
/* get args */
while ((c = getopt_long(argc, argv, "n:fvh", long_options, NULL)) != -1) {
switch (c) {
case 'n':
number_str = optarg;
break;
case 'f':
config.f_flag = 1;
break;
case 'v':
case 'h':
print_usage_and_die(0);
default:
print_usage_and_die(1);
}
}
if (argc - optind != 1)
print_usage_and_die(1);
/* set args */
config.file = argv[optind];
if (number_str && (kstrtol(number_str, 10, &n) || n <= 0))
err("Invalid argument for --number");
config.n = n;
/* sanity checks */
if (!is_tailable(config.file))
err("The file '%s' cannot be tailed.", config.file);
/* print tail */
res = config.f_flag ? ktail_with_follow() : ktail();
return res ? EXIT_FAILURE : EXIT_SUCCESS;
}
unsigned long fbtft_request_gpios_match(struct fbtft_par *par,
const struct fbtft_gpio *gpio)
{
int ret;
long val;
fbtft_par_dbg(DEBUG_REQUEST_GPIOS_MATCH, par, "%s('%s')\n",
__func__, gpio->name);
if (strcasecmp(gpio->name, "reset") == 0) {
par->gpio.reset = gpio->gpio;
return GPIOF_OUT_INIT_HIGH;
} else if (strcasecmp(gpio->name, "dc") == 0) {
par->gpio.dc = gpio->gpio;
return GPIOF_OUT_INIT_LOW;
} else if (strcasecmp(gpio->name, "cs") == 0) {
par->gpio.cs = gpio->gpio;
return GPIOF_OUT_INIT_HIGH;
} else if (strcasecmp(gpio->name, "wr") == 0) {
par->gpio.wr = gpio->gpio;
return GPIOF_OUT_INIT_HIGH;
} else if (strcasecmp(gpio->name, "rd") == 0) {
par->gpio.rd = gpio->gpio;
return GPIOF_OUT_INIT_HIGH;
} else if (strcasecmp(gpio->name, "latch") == 0) {
par->gpio.latch = gpio->gpio;
return GPIOF_OUT_INIT_LOW;
} else if (gpio->name[0] == 'd' && gpio->name[1] == 'b') {
ret = kstrtol(&gpio->name[2], 10, &val);
if (ret == 0 && val < 16) {
par->gpio.db[val] = gpio->gpio;
return GPIOF_OUT_INIT_LOW;
}
} else if (strcasecmp(gpio->name, "led") == 0) {
par->gpio.led[0] = gpio->gpio;
return GPIOF_OUT_INIT_LOW;
}
return FBTFT_GPIO_NO_MATCH;
}
static int skb_write(struct file *file, const char *buffer, unsigned long len,
void *data)
{
int ret;
unsigned char userData;
if (len > PAGE_SIZE || len < 0) {
pr_err("SKB System: cannot allow space for data\n");
return -ENOSPC;
}
/* write data to the buffer */
ret = copy_from_user(&userData, buffer, 1);
if (ret) {
pr_err("SKB System: cannot copy data from userspace\n");
return ret;
}
ret = kstrtol(&userData, 10, &filter_value);
if (ret) {
pr_err("bad value from user buffer\n");
return ret;
}
return len;
}
static ssize_t power_supply_store_property(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count) {
ssize_t ret;
struct power_supply *psy = dev_get_drvdata(dev);
const ptrdiff_t off = attr - power_supply_attrs;
union power_supply_propval value;
long long_val;
/* TODO: support other types than int */
ret = kstrtol(buf, 10, &long_val);
if (ret < 0)
return ret;
value.intval = long_val;
ret = psy->set_property(psy, off, &value);
if (ret < 0)
return ret;
return count;
}
static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
int nr = attr->index;
long val;
int err;
int temp;
u8 reg;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
switch (nr) {
case 2:
reg = LM63_REG_REMOTE_TCRIT;
if (data->remote_unsigned)
temp = TEMP8U_TO_REG(val - data->temp2_offset);
else
temp = TEMP8_TO_REG(val - data->temp2_offset);
break;
case 1:
reg = LM63_REG_LOCAL_HIGH;
temp = TEMP8_TO_REG(val);
break;
default: /* lookup table */
reg = LM63_REG_LUT_TEMP(nr - 3);
temp = lut_temp_to_reg(data, val);
}
data->temp8[nr] = temp;
i2c_smbus_write_byte_data(client, reg, temp);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t ocrdma_dbgfs_ops_write(struct file *filp,
const char __user *buffer,
size_t count, loff_t *ppos)
{
char tmp_str[32];
long reset;
int status;
struct ocrdma_stats *pstats = filp->private_data;
struct ocrdma_dev *dev = pstats->dev;
if (*ppos != 0 || count == 0 || count > sizeof(tmp_str))
goto err;
if (copy_from_user(tmp_str, buffer, count))
goto err;
tmp_str[count-1] = '\0';
if (kstrtol(tmp_str, 10, &reset))
goto err;
switch (pstats->type) {
case OCRDMA_RESET_STATS:
if (reset) {
status = ocrdma_mbx_rdma_stats(dev, true);
if (status) {
pr_err("Failed to reset stats = %d\n", status);
goto err;
}
}
break;
default:
goto err;
}
return count;
err:
return -EFAULT;
}
static ssize_t set_max_min(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct ad7414_data *data = i2c_get_clientdata(client);
int index = to_sensor_dev_attr(attr)->index;
u8 reg = AD7414_REG_LIMIT[index];
long temp;
int ret = kstrtol(buf, 10, &temp);
if (ret < 0)
return ret;
temp = SENSORS_LIMIT(temp, -40000, 85000);
temp = (temp + (temp < 0 ? -500 : 500)) / 1000;
mutex_lock(&data->lock);
data->temps[index] = temp;
ad7414_write(client, reg, temp);
mutex_unlock(&data->lock);
return count;
}
static ssize_t ep93xx_pwm_set_duty_percent(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct platform_device *pdev = to_platform_device(dev);
struct ep93xx_pwm *pwm = platform_get_drvdata(pdev);
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return -EINVAL;
if (val > 0 && val < 100) {
u32 term = readl(pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);
u32 duty = ((term + 1) * val / 100) - 1;
writel(duty, pwm->mmio_base + EP93XX_PWMx_DUTY_CYCLE);
pwm->duty_percent = val;
return count;
}
return -EINVAL;
}
void parse_wrapfs_options(void *data)
{
char *options = (char *)data;
char *token = options;
#ifdef EXTRA_CREDIT
char *token2 = NULL;
char *debug = NULL;
long debugval = 0;
#endif
wrapfs_debug("raw_data : %s\n", options);
set_ops_false();
while (token != NULL) {
token = strsep(&options, ",");
if (token && strcmp(token, "mmap") == 0) {
wrapfs_debug("MMAP is set");
mmap_option_set = true;
}
#ifdef EXTRA_CREDIT
else if (token && strstr(token, "debug") != NULL) {
debug = token;
token2 = strsep(&debug, "=");
if (strstr(token2, "debug") != NULL) {
if (kstrtol(debug, 10, &debugval) < 0) {
wrapfs_debug(
"Invalid debug option. Ignoring it!!");
debugval = 0;
} else {
wrapfs_debug("Debug level is set: %ld",
debugval);
set_debug_options(debugval);
}
}
}
#endif
}
/*return 0;*/
}
static ssize_t set_temp_min(struct device *dev,
struct device_attribute *devattr,
const char *buf, size_t count)
{
int index = to_sensor_dev_attr(devattr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct max1668_data *data = i2c_get_clientdata(client);
long temp;
int ret;
ret = kstrtol(buf, 10, &temp);
if (ret < 0)
return ret;
mutex_lock(&data->update_lock);
data->temp_min[index] = SENSORS_LIMIT(temp/1000, -128, 127);
if (i2c_smbus_write_byte_data(client,
MAX1668_REG_LIML_WR(index),
data->temp_min[index]))
count = -EIO;
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_offset(struct device *dev, struct device_attribute
*attr, const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct smsc47m192_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR);
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->temp_offset[nr] = TEMP_TO_REG(val);
if (nr > 1)
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
else if (data->temp_offset[nr] != 0) {
/*
* offset[0] and offset[1] share the same register,
* SFR bit 4 activates offset[0]
*/
i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR,
(sfr & 0xef) | (nr == 0 ? 0x10 : 0));
data->temp_offset[1-nr] = 0;
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
} else if ((sfr & 0x10) == (nr == 0 ? 0x10 : 0))
i2c_smbus_write_byte_data(client,
SMSC47M192_REG_TEMP_OFFSET(nr), 0);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
int res;
long val;
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct i2c_client *client = to_i2c_client(dev);
struct ds620_data *data = i2c_get_clientdata(client);
res = kstrtol(buf, 10, &val);
if (res)
return res;
val = (val * 10 / 625) * 8;
mutex_lock(&data->update_lock);
data->temp[attr->index] = val;
i2c_smbus_write_word_swapped(client, DS620_REG_TEMP[attr->index],
data->temp[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_tcrit1(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct lm95234_data *data = dev_get_drvdata(dev);
int index = to_sensor_dev_attr(attr)->index;
int ret = lm95234_update_device(data);
long val;
if (ret)
return ret;
ret = kstrtol(buf, 10, &val);
if (ret < 0)
return ret;
val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255);
mutex_lock(&data->update_lock);
data->tcrit1[index] = val;
i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT1(index), val);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t store_temp_crit(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
int index = to_sensor_dev_attr(devattr)->index;
struct tmp401_data *data = tmp401_update_device(dev);
long val;
u8 reg;
if (kstrtol(buf, 10, &val))
return -EINVAL;
reg = tmp401_crit_temp_to_register(val, data->config);
mutex_lock(&data->update_lock);
i2c_smbus_write_byte_data(to_i2c_client(dev),
TMP401_TEMP_CRIT_LIMIT[index], reg);
data->temp_crit[index] = reg;
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t hyst_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
long temp;
struct stts751_priv *priv = dev_get_drvdata(dev);
if (kstrtol(buf, 10, &temp) < 0)
return -EINVAL;
mutex_lock(&priv->access_lock);
/* HW works in range -64C to +127.937C */
temp = clamp_val(temp, -64000, priv->therm);
priv->hyst = temp;
dev_dbg(&priv->client->dev, "setting hyst %ld", temp);
temp = priv->therm - temp;
ret = stts751_set_temp_reg8(priv, temp, STTS751_REG_HYST);
mutex_unlock(&priv->access_lock);
if (ret)
return ret;
return count;
}