diff options
author | Guenter Roeck <linux@roeck-us.net> | 2012-01-14 20:51:15 (GMT) |
---|---|---|
committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2012-03-19 01:27:19 (GMT) |
commit | 86aa3e22106be3d6338113ff5acd7a87c40056c4 (patch) | |
tree | 03ff36e6d527563324babb33f72ee28191e9b630 /drivers/hwmon/adm1026.c | |
parent | 21d2a8f17b7533d84acf659d4a3757115fad0356 (diff) | |
download | linux-86aa3e22106be3d6338113ff5acd7a87c40056c4.tar.xz |
hwmon: (adm1026) Fix checkpatch issues
Fixed:
ERROR: do not use assignment in if condition
ERROR: space prohibited after that '~' (ctx:WxW)
ERROR: space required after that ';' (ctx:VxO)
ERROR: space required after that ';' (ctx:VxV)
ERROR: spaces required around that '<' (ctx:VxV)
ERROR: spaces required around that '==' (ctx:VxV)
ERROR: spaces required around that '=' (ctx:VxV)
ERROR: spaces required around that ':' (ctx:VxV)
WARNING: braces {} are not necessary for any arm of this statement
WARNING: braces {} are not necessary for single statement blocks
WARNING: line over 80 characters
WARNING: simple_strtol is obsolete, use kstrtol instead
Modify multi-line comments to follow Documentation/CodingStyle.
Not fixed:
ERROR: Macros with multiple statements should be enclosed in a do - while loop
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/adm1026.c')
-rw-r--r-- | drivers/hwmon/adm1026.c | 491 |
1 files changed, 313 insertions, 178 deletions
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index be17083..1003219 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -1,27 +1,27 @@ /* - adm1026.c - Part of lm_sensors, Linux kernel modules for hardware - monitoring - Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> - Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com> - - Chip details at: - - <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026> - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ + * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware + * monitoring + * Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> + * Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com> + * + * Chip details at: + * + * <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ #include <linux/module.h> #include <linux/init.h> @@ -90,7 +90,8 @@ MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs"); #define E2CFG_ROM 0x08 #define E2CFG_CLK_EXT 0x80 -/* There are 10 general analog inputs and 7 dedicated inputs +/* + * There are 10 general analog inputs and 7 dedicated inputs * They are: * 0 - 9 = AIN0 - AIN9 * 10 = Vbat @@ -117,7 +118,8 @@ static u16 ADM1026_REG_IN_MAX[] = { 0x43, 0x44, 0x45, 0x46, 0x47 }; -/* Temperatures are: +/* + * Temperatures are: * 0 - Internal * 1 - External 1 * 2 - External 2 @@ -170,12 +172,14 @@ static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f }; #define ADM1026_FAN_CONTROL_TEMP_RANGE 20 #define ADM1026_PWM_MAX 255 -/* Conversions. Rounding and limit checking is only done on the TO_REG +/* + * Conversions. Rounding and limit checking is only done on the TO_REG * variants. Note that you should be a bit careful with which arguments * these macros are called: arguments may be evaluated more than once. */ -/* IN are scaled according to built-in resistors. These are the +/* + * IN are scaled according to built-in resistors. These are the * voltages corresponding to 3/4 of full scale (192 or 0xc0) * NOTE: The -12V input needs an additional factor to account * for the Vref pullup resistor. @@ -197,23 +201,25 @@ static int adm1026_scaling[] = { /* .001 Volts */ 0, 255)) #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n])) -/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses +/* + * FAN speed is measured using 22.5kHz clock and counts for 2 pulses * and we assume a 2 pulse-per-rev fan tach signal * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000 */ #define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \ - SENSORS_LIMIT(1350000/((val)*(div)), 1, 254)) -#define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \ - 1350000/((val)*(div))) -#define DIV_FROM_REG(val) (1<<(val)) + SENSORS_LIMIT(1350000 / ((val) * (div)), \ + 1, 254)) +#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \ + 1350000 / ((val) * (div))) +#define DIV_FROM_REG(val) (1 << (val)) #define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0) /* Temperature is reported in 1 degC increments */ -#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\ - -127, 127)) +#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \ + / 1000, -127, 127)) #define TEMP_FROM_REG(val) ((val) * 1000) -#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\ - -127, 127)) +#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \ + / 1000, -127, 127)) #define OFFSET_FROM_REG(val) ((val) * 1000) #define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255)) @@ -222,14 +228,16 @@ static int adm1026_scaling[] = { /* .001 Volts */ #define PWM_MIN_TO_REG(val) ((val) & 0xf0) #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4)) -/* Analog output is a voltage, and scaled to millivolts. The datasheet +/* + * Analog output is a voltage, and scaled to millivolts. The datasheet * indicates that the DAC could be used to drive the fans, but in our * example board (Arima HDAMA) it isn't connected to the fans at all. */ -#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255)) -#define DAC_FROM_REG(val) (((val)*2500)/255) +#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val) * 255) + 500) / 2500), 0, 255)) +#define DAC_FROM_REG(val) (((val) * 2500) / 255) -/* Chip sampling rates +/* + * Chip sampling rates * * Some sensors are not updated more frequently than once per second * so it doesn't make sense to read them more often than that. @@ -243,11 +251,13 @@ static int adm1026_scaling[] = { /* .001 Volts */ #define ADM1026_DATA_INTERVAL (1 * HZ) #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ) -/* We allow for multiple chips in a single system. +/* + * We allow for multiple chips in a single system. * * For each registered ADM1026, we need to keep state information * at client->data. The adm1026_data structure is dynamically - * allocated, when a new client structure is allocated. */ + * allocated, when a new client structure is allocated. + */ struct pwm_data { u8 pwm; @@ -388,17 +398,16 @@ static void adm1026_init_client(struct i2c_client *client) dev_dbg(&client->dev, "THERM pin enabled. " "GPIO16 disabled.\n"); } - if (data->config3 & CFG3_VREF_250) { + if (data->config3 & CFG3_VREF_250) dev_dbg(&client->dev, "Vref is 2.50 Volts.\n"); - } else { + else dev_dbg(&client->dev, "Vref is 1.82 Volts.\n"); - } /* Read and pick apart the existing GPIO configuration */ value = 0; - for (i = 0;i <= 15;++i) { + for (i = 0; i <= 15; ++i) { if ((i & 0x03) == 0) { value = adm1026_read_value(client, - ADM1026_REG_GPIO_CFG_0_3 + i/4); + ADM1026_REG_GPIO_CFG_0_3 + i / 4); } data->gpio_config[i] = value & 0x03; value >>= 2; @@ -408,7 +417,8 @@ static void adm1026_init_client(struct i2c_client *client) /* ... and then print it */ adm1026_print_gpio(client); - /* If the user asks us to reprogram the GPIO config, then + /* + * If the user asks us to reprogram the GPIO config, then * do it now. */ if (gpio_input[0] != -1 || gpio_output[0] != -1 @@ -417,7 +427,8 @@ static void adm1026_init_client(struct i2c_client *client) adm1026_fixup_gpio(client); } - /* WE INTENTIONALLY make no changes to the limits, + /* + * WE INTENTIONALLY make no changes to the limits, * offsets, pwms, fans and zones. If they were * configured, we don't want to mess with them. * If they weren't, the default is 100% PWM, no @@ -428,7 +439,7 @@ static void adm1026_init_client(struct i2c_client *client) * without first setting a value for pwm1.auto_pwm_min * will not result in potentially dangerous fan speed decrease. */ - data->pwm1.auto_pwm_min=255; + data->pwm1.auto_pwm_min = 255; /* Start monitoring */ value = adm1026_read_value(client, ADM1026_REG_CONFIG1); /* Set MONITOR, clear interrupt acknowledge and s/w reset */ @@ -440,7 +451,7 @@ static void adm1026_init_client(struct i2c_client *client) /* initialize fan_div[] to hardware defaults */ value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8); - for (i = 0;i <= 7;++i) { + for (i = 0; i <= 7; ++i) { data->fan_div[i] = DIV_FROM_REG(value & 0x03); value >>= 2; } @@ -452,7 +463,7 @@ static void adm1026_print_gpio(struct i2c_client *client) int i; dev_dbg(&client->dev, "GPIO config is:\n"); - for (i = 0;i <= 7;++i) { + for (i = 0; i <= 7; ++i) { if (data->config2 & (1 << i)) { dev_dbg(&client->dev, "\t%sGP%s%d\n", data->gpio_config[i] & 0x02 ? "" : "!", @@ -462,7 +473,7 @@ static void adm1026_print_gpio(struct i2c_client *client) dev_dbg(&client->dev, "\tFAN%d\n", i); } } - for (i = 8;i <= 15;++i) { + for (i = 8; i <= 15; ++i) { dev_dbg(&client->dev, "\t%sGP%s%d\n", data->gpio_config[i] & 0x02 ? "" : "!", data->gpio_config[i] & 0x01 ? "OUT" : "IN", @@ -485,52 +496,46 @@ static void adm1026_fixup_gpio(struct i2c_client *client) int value; /* Make the changes requested. */ - /* We may need to unlock/stop monitoring or soft-reset the + /* + * We may need to unlock/stop monitoring or soft-reset the * chip before we can make changes. This hasn't been * tested much. FIXME */ /* Make outputs */ - for (i = 0;i <= 16;++i) { - if (gpio_output[i] >= 0 && gpio_output[i] <= 16) { + for (i = 0; i <= 16; ++i) { + if (gpio_output[i] >= 0 && gpio_output[i] <= 16) data->gpio_config[gpio_output[i]] |= 0x01; - } /* if GPIO0-7 is output, it isn't a FAN tach */ - if (gpio_output[i] >= 0 && gpio_output[i] <= 7) { + if (gpio_output[i] >= 0 && gpio_output[i] <= 7) data->config2 |= 1 << gpio_output[i]; - } } /* Input overrides output */ - for (i = 0;i <= 16;++i) { - if (gpio_input[i] >= 0 && gpio_input[i] <= 16) { - data->gpio_config[gpio_input[i]] &= ~ 0x01; - } + for (i = 0; i <= 16; ++i) { + if (gpio_input[i] >= 0 && gpio_input[i] <= 16) + data->gpio_config[gpio_input[i]] &= ~0x01; /* if GPIO0-7 is input, it isn't a FAN tach */ - if (gpio_input[i] >= 0 && gpio_input[i] <= 7) { + if (gpio_input[i] >= 0 && gpio_input[i] <= 7) data->config2 |= 1 << gpio_input[i]; - } } /* Inverted */ - for (i = 0;i <= 16;++i) { - if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) { - data->gpio_config[gpio_inverted[i]] &= ~ 0x02; - } + for (i = 0; i <= 16; ++i) { + if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) + data->gpio_config[gpio_inverted[i]] &= ~0x02; } /* Normal overrides inverted */ - for (i = 0;i <= 16;++i) { - if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) { + for (i = 0; i <= 16; ++i) { + if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) data->gpio_config[gpio_normal[i]] |= 0x02; - } } /* Fan overrides input and output */ - for (i = 0;i <= 7;++i) { - if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) { + for (i = 0; i <= 7; ++i) { + if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) data->config2 &= ~(1 << gpio_fan[i]); - } } /* Write new configs to registers */ @@ -538,7 +543,7 @@ static void adm1026_fixup_gpio(struct i2c_client *client) data->config3 = (data->config3 & 0x3f) | ((data->gpio_config[16] & 0x03) << 6); adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3); - for (i = 15, value = 0;i >= 0;--i) { + for (i = 15, value = 0; i >= 0; --i) { value <<= 2; value |= data->gpio_config[i] & 0x03; if ((i & 0x03) == 0) { @@ -563,22 +568,25 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) mutex_lock(&data->update_lock); if (!data->valid - || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) { + || time_after(jiffies, + data->last_reading + ADM1026_DATA_INTERVAL)) { /* Things that change quickly */ dev_dbg(&client->dev, "Reading sensor values\n"); - for (i = 0;i <= 16;++i) { + for (i = 0; i <= 16; ++i) { data->in[i] = adm1026_read_value(client, ADM1026_REG_IN[i]); } - for (i = 0;i <= 7;++i) { + for (i = 0; i <= 7; ++i) { data->fan[i] = adm1026_read_value(client, ADM1026_REG_FAN(i)); } - for (i = 0;i <= 2;++i) { - /* NOTE: temp[] is s8 and we assume 2's complement - * "conversion" in the assignment */ + for (i = 0; i <= 2; ++i) { + /* + * NOTE: temp[] is s8 and we assume 2's complement + * "conversion" in the assignment + */ data->temp[i] = adm1026_read_value(client, ADM1026_REG_TEMP[i]); } @@ -614,7 +622,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) { /* Things that don't change often */ dev_dbg(&client->dev, "Reading config values\n"); - for (i = 0;i <= 16;++i) { + for (i = 0; i <= 16; ++i) { data->in_min[i] = adm1026_read_value(client, ADM1026_REG_IN_MIN[i]); data->in_max[i] = adm1026_read_value(client, @@ -624,7 +632,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8); - for (i = 0;i <= 7;++i) { + for (i = 0; i <= 7; ++i) { data->fan_min[i] = adm1026_read_value(client, ADM1026_REG_FAN_MIN(i)); data->fan_div[i] = DIV_FROM_REG(value & 0x03); @@ -632,7 +640,8 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) } for (i = 0; i <= 2; ++i) { - /* NOTE: temp_xxx[] are s8 and we assume 2's + /* + * NOTE: temp_xxx[] are s8 and we assume 2's * complement "conversion" in the assignment */ data->temp_min[i] = adm1026_read_value(client, @@ -681,7 +690,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) data->gpio_config[16] = (data->config3 >> 6) & 0x03; value = 0; - for (i = 0;i <= 15;++i) { + for (i = 0; i <= 15; ++i) { if ((i & 0x03) == 0) { value = adm1026_read_value(client, ADM1026_REG_GPIO_CFG_0_3 + i/4); @@ -721,7 +730,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_min[nr] = INS_TO_REG(nr, val); @@ -744,7 +758,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_max[nr] = INS_TO_REG(nr, val); @@ -779,23 +798,31 @@ in_reg(13); in_reg(14); in_reg(15); -static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_in16(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) - NEG12_OFFSET); } -static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16]) - NEG12_OFFSET); } -static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET); @@ -803,17 +830,24 @@ static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, c mutex_unlock(&data->update_lock); return count; } -static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16]) - NEG12_OFFSET); } -static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET); @@ -823,10 +857,10 @@ static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, c } static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16); -static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16); -static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16); - - +static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, + set_in16_min, 16); +static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, + set_in16_max, 16); /* Now add fan read/write functions */ @@ -856,7 +890,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]); @@ -890,9 +929,8 @@ static void fixup_fan_min(struct device *dev, int fan, int old_div) int new_div = data->fan_div[fan]; /* 0 and 0xff are special. Don't adjust them */ - if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) { + if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) return; - } new_min = data->fan_min[fan] * old_div / new_div; new_min = SENSORS_LIMIT(new_min, 1, 254); @@ -916,9 +954,14 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val, orig_div, new_div; + long val; + int orig_div, new_div; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; - val = simple_strtol(buf, NULL, 10); new_div = DIV_TO_REG(val); mutex_lock(&data->update_lock); @@ -939,9 +982,9 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, (DIV_TO_REG(data->fan_div[7]) << 6)); } - if (data->fan_div[nr] != orig_div) { + if (data->fan_div[nr] != orig_div) fixup_fan_min(dev, nr, orig_div); - } + mutex_unlock(&data->update_lock); return count; } @@ -983,7 +1026,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); @@ -1007,7 +1055,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + 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); @@ -1046,7 +1099,12 @@ static ssize_t set_temp_offset(struct device *dev, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + 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); @@ -1056,8 +1114,8 @@ static ssize_t set_temp_offset(struct device *dev, return count; } -#define temp_offset_reg(offset) \ -static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \ +#define temp_offset_reg(offset) \ +static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \ show_temp_offset, set_temp_offset, offset - 1); temp_offset_reg(1); @@ -1097,7 +1155,12 @@ static ssize_t set_temp_auto_point1_temp(struct device *dev, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->temp_tmin[nr] = TEMP_TO_REG(val); @@ -1131,15 +1194,21 @@ static ssize_t set_temp_crit_enable(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + if (val > 1) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4); + adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1); + mutex_unlock(&data->update_lock); - if ((val == 1) || (val==0)) { - mutex_lock(&data->update_lock); - data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4); - adm1026_write_value(client, ADM1026_REG_CONFIG1, - data->config1); - mutex_unlock(&data->update_lock); - } return count; } @@ -1166,7 +1235,12 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->temp_crit[nr] = TEMP_TO_REG(val); @@ -1184,17 +1258,24 @@ temp_crit_reg(1); temp_crit_reg(2); temp_crit_reg(3); -static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_analog_out_reg(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out)); } -static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t set_analog_out_reg(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->analog_out = DAC_TO_REG(val); @@ -1206,7 +1287,8 @@ static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *a static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg, set_analog_out_reg); -static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = adm1026_update_device(dev); int vid = (data->gpio >> 11) & 0x1f; @@ -1214,25 +1296,35 @@ static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, c dev_dbg(dev, "Setting VID from GPIO11-15.\n"); return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm)); } + static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); -static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d\n", data->vrm); } -static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) + +static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct adm1026_data *data = dev_get_drvdata(dev); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; - data->vrm = simple_strtol(buf, NULL, 10); + data->vrm = val; return count; } static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); -static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarms_reg(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%ld\n", data->alarms); @@ -1277,18 +1369,24 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24); static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25); static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26); -static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarm_mask(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%ld\n", data->alarm_mask); } -static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); unsigned long mask; + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->alarm_mask = val & 0x7fffffff; @@ -1313,18 +1411,24 @@ static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask, set_alarm_mask); -static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%ld\n", data->gpio); } -static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); long gpio; + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->gpio = val & 0x1ffff; @@ -1340,19 +1444,24 @@ static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio); - -static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%ld\n", data->gpio_mask); } -static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); long mask; + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->gpio_mask = val & 0x1ffff; @@ -1368,19 +1477,26 @@ static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask); -static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, + char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm)); } -static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) + +static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); if (data->pwm1.enable == 1) { - int val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->pwm1.pwm = PWM_TO_REG(val); @@ -1389,17 +1505,26 @@ static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, co } return count; } -static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf) + +static ssize_t show_auto_pwm_min(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min); } -static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) + +static ssize_t set_auto_pwm_min(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255); @@ -1411,44 +1536,53 @@ static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *att mutex_unlock(&data->update_lock); return count; } -static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf) + +static ssize_t show_auto_pwm_max(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%d\n", ADM1026_PWM_MAX); } -static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) + +static ssize_t show_pwm_enable(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%d\n", data->pwm1.enable); } -static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) + +static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); int old_enable; + unsigned long val; + int err; - if ((val >= 0) && (val < 3)) { - mutex_lock(&data->update_lock); - old_enable = data->pwm1.enable; - data->pwm1.enable = val; - data->config1 = (data->config1 & ~CFG1_PWM_AFC) - | ((val == 2) ? CFG1_PWM_AFC : 0); - adm1026_write_value(client, ADM1026_REG_CONFIG1, - data->config1); - if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */ - data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) | - PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); - adm1026_write_value(client, ADM1026_REG_PWM, - data->pwm1.pwm); - } else if (!((old_enable == 1) && (val == 1))) { - /* set pwm to safe value */ - data->pwm1.pwm = 255; - adm1026_write_value(client, ADM1026_REG_PWM, - data->pwm1.pwm); - } - mutex_unlock(&data->update_lock); + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + if (val >= 3) + return -EINVAL; + + mutex_lock(&data->update_lock); + old_enable = data->pwm1.enable; + data->pwm1.enable = val; + data->config1 = (data->config1 & ~CFG1_PWM_AFC) + | ((val == 2) ? CFG1_PWM_AFC : 0); + adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1); + if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */ + data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) | + PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); + adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); + } else if (!((old_enable == 1) && (val == 1))) { + /* set pwm to safe value */ + data->pwm1.pwm = 255; + adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); } + mutex_unlock(&data->update_lock); + return count; } @@ -1716,7 +1850,8 @@ static int adm1026_probe(struct i2c_client *client, adm1026_init_client(client); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group))) + err = sysfs_create_group(&client->dev.kobj, &adm1026_group); + if (err) goto exitfree; if (data->config1 & CFG1_AIN8_9) err = sysfs_create_group(&client->dev.kobj, |