diff options
Diffstat (limited to 'drivers/hwmon')
34 files changed, 466 insertions, 481 deletions
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index e928cdb041cb..8102876c7c3f 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -121,7 +121,7 @@ static int adm1021_write_value(struct i2c_client *client, u8 reg, static struct adm1021_data *adm1021_update_device(struct device *dev); /* (amalysh) read only mode, otherwise any limit's writing confuse BIOS */ -static int read_only = 0; +static int read_only; /* This is the driver that will be inserted */ @@ -204,11 +204,10 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) client structure, even though we cannot fill it completely yet. But it allows us to access adm1021_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct adm1021_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct adm1021_data), GFP_KERNEL))) { err = -ENOMEM; goto error0; } - memset(data, 0, sizeof(struct adm1021_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index 526b7ff179eb..3ec12421694f 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -331,11 +331,10 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct adm1025_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct adm1025_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct adm1025_data)); /* The common I2C client data is placed right before the ADM1025-specific data. */ diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index 625158110fd4..e0f56549d1d8 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -315,7 +315,7 @@ static struct i2c_driver adm1026_driver = { .detach_client = adm1026_detach_client, }; -int adm1026_attach_adapter(struct i2c_adapter *adapter) +static int adm1026_attach_adapter(struct i2c_adapter *adapter) { if (!(adapter->class & I2C_CLASS_HWMON)) { return 0; @@ -323,7 +323,7 @@ int adm1026_attach_adapter(struct i2c_adapter *adapter) return i2c_probe(adapter, &addr_data, adm1026_detect); } -int adm1026_detach_client(struct i2c_client *client) +static int adm1026_detach_client(struct i2c_client *client) { struct adm1026_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->class_dev); @@ -332,7 +332,7 @@ int adm1026_detach_client(struct i2c_client *client) return 0; } -int adm1026_read_value(struct i2c_client *client, u8 reg) +static int adm1026_read_value(struct i2c_client *client, u8 reg) { int res; @@ -346,7 +346,7 @@ int adm1026_read_value(struct i2c_client *client, u8 reg) return res; } -int adm1026_write_value(struct i2c_client *client, u8 reg, int value) +static int adm1026_write_value(struct i2c_client *client, u8 reg, int value) { int res; @@ -360,7 +360,7 @@ int adm1026_write_value(struct i2c_client *client, u8 reg, int value) return res; } -void adm1026_init_client(struct i2c_client *client) +static void adm1026_init_client(struct i2c_client *client) { int value, i; struct adm1026_data *data = i2c_get_clientdata(client); @@ -460,7 +460,7 @@ void adm1026_init_client(struct i2c_client *client) } } -void adm1026_print_gpio(struct i2c_client *client) +static void adm1026_print_gpio(struct i2c_client *client) { struct adm1026_data *data = i2c_get_clientdata(client); int i; @@ -492,7 +492,7 @@ void adm1026_print_gpio(struct i2c_client *client) } } -void adm1026_fixup_gpio(struct i2c_client *client) +static void adm1026_fixup_gpio(struct i2c_client *client) { struct adm1026_data *data = i2c_get_clientdata(client); int i; @@ -1452,8 +1452,8 @@ static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); -int adm1026_detect(struct i2c_adapter *adapter, int address, - int kind) +static int adm1026_detect(struct i2c_adapter *adapter, int address, + int kind) { int company, verstep; struct i2c_client *new_client; @@ -1470,13 +1470,11 @@ int adm1026_detect(struct i2c_adapter *adapter, int address, client structure, even though we cannot fill it completely yet. But it allows us to access adm1026_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct adm1026_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct adm1026_data)); - new_client = &data->client; i2c_set_clientdata(new_client, data); new_client->addr = address; diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index 58338ed7c8a1..7c545d5eee45 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -740,11 +740,10 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct adm1031_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct adm1031_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct adm1031_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c index bc7faef162f7..11dc95f8a17e 100644 --- a/drivers/hwmon/adm9240.c +++ b/drivers/hwmon/adm9240.c @@ -45,6 +45,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/i2c.h> +#include <linux/hwmon-sysfs.h> #include <linux/hwmon.h> #include <linux/hwmon-vid.h> #include <linux/err.h> @@ -69,8 +70,7 @@ I2C_CLIENT_INSMOD_3(adm9240, ds1780, lm81); #define ADM9240_REG_INT(nr) (0x41 + (nr)) #define ADM9240_REG_INT_MASK(nr) (0x43 + (nr)) #define ADM9240_REG_TEMP 0x27 -#define ADM9240_REG_TEMP_HIGH 0x39 -#define ADM9240_REG_TEMP_HYST 0x3a +#define ADM9240_REG_TEMP_MAX(nr) (0x39 + (nr)) /* 0, 1 = high, hyst */ #define ADM9240_REG_ANALOG_OUT 0x19 #define ADM9240_REG_CHASSIS_CLEAR 0x46 #define ADM9240_REG_VID_FAN_DIV 0x47 @@ -162,177 +162,155 @@ struct adm9240_data { u8 fan_min[2]; /* rw fan1_min */ u8 fan_div[2]; /* rw fan1_div, read-only accessor */ s16 temp; /* ro temp1_input, 9-bit sign-extended */ - s8 temp_high; /* rw temp1_max */ - s8 temp_hyst; /* rw temp1_max_hyst */ + s8 temp_max[2]; /* rw 0 -> temp_max, 1 -> temp_max_hyst */ u16 alarms; /* ro alarms */ u8 aout; /* rw aout_output */ u8 vid; /* ro vid */ u8 vrm; /* -- vrm set on startup, no accessor */ }; -/* i2c byte read/write interface */ -static int adm9240_read_value(struct i2c_client *client, u8 reg) +/*** sysfs accessors ***/ + +/* temperature */ +static ssize_t show_temp(struct device *dev, struct device_attribute *dummy, + char *buf) { - return i2c_smbus_read_byte_data(client, reg); + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", data->temp * 500); /* 9-bit value */ } -static int adm9240_write_value(struct i2c_client *client, u8 reg, u8 value) +static ssize_t show_max(struct device *dev, struct device_attribute *devattr, + char *buf) { - return i2c_smbus_write_byte_data(client, reg, value); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", data->temp_max[attr->index] * 1000); } -/*** sysfs accessors ***/ +static ssize_t set_max(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 adm9240_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_max[attr->index] = TEMP_TO_REG(val); + i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index), + data->temp_max[attr->index]); + up(&data->update_lock); + return count; +} -/* temperature */ -#define show_temp(value, scale) \ -static ssize_t show_##value(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - struct adm9240_data *data = adm9240_update_device(dev); \ - return sprintf(buf, "%d\n", data->value * scale); \ -} -show_temp(temp_high, 1000); -show_temp(temp_hyst, 1000); -show_temp(temp, 500); /* 0.5'C per bit */ - -#define set_temp(value, reg) \ -static ssize_t set_##value(struct device *dev, \ - struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct adm9240_data *data = adm9240_update_device(dev); \ - long temp = simple_strtoul(buf, NULL, 10); \ - \ - down(&data->update_lock); \ - data->value = TEMP_TO_REG(temp); \ - adm9240_write_value(client, reg, data->value); \ - up(&data->update_lock); \ - return count; \ -} - -set_temp(temp_high, ADM9240_REG_TEMP_HIGH); -set_temp(temp_hyst, ADM9240_REG_TEMP_HYST); - -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, - show_temp_high, set_temp_high); -static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, - show_temp_hyst, set_temp_hyst); static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, + show_max, set_max, 0); +static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, + show_max, set_max, 1); /* voltage */ -static ssize_t show_in(struct device *dev, char *buf, int nr) +static ssize_t show_in(struct device *dev, struct device_attribute *devattr, + char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct adm9240_data *data = adm9240_update_device(dev); - return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr], nr)); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in[attr->index], + attr->index)); } -static ssize_t show_in_min(struct device *dev, char *buf, int nr) +static ssize_t show_in_min(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct adm9240_data *data = adm9240_update_device(dev); - return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr], nr)); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[attr->index], + attr->index)); } -static ssize_t show_in_max(struct device *dev, char *buf, int nr) +static ssize_t show_in_max(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct adm9240_data *data = adm9240_update_device(dev); - return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr], nr)); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[attr->index], + attr->index)); } -static ssize_t set_in_min(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_in_min(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 adm9240_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); - data->in_min[nr] = IN_TO_REG(val, nr); - adm9240_write_value(client, ADM9240_REG_IN_MIN(nr), data->in_min[nr]); + data->in_min[attr->index] = IN_TO_REG(val, attr->index); + i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index), + data->in_min[attr->index]); up(&data->update_lock); return count; } -static ssize_t set_in_max(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_in_max(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 adm9240_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); - data->in_max[nr] = IN_TO_REG(val, nr); - adm9240_write_value(client, ADM9240_REG_IN_MAX(nr), data->in_max[nr]); + data->in_max[attr->index] = IN_TO_REG(val, attr->index); + i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index), + data->in_max[attr->index]); up(&data->update_lock); return count; } -#define show_in_offset(offset) \ -static ssize_t show_in##offset(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_in(dev, buf, offset); \ -} \ -static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL); \ -static ssize_t show_in##offset##_min(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_in_min(dev, buf, offset); \ -} \ -static ssize_t show_in##offset##_max(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_in_max(dev, buf, offset); \ -} \ -static ssize_t \ -set_in##offset##_min(struct device *dev, \ - struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - return set_in_min(dev, buf, count, offset); \ -} \ -static ssize_t \ -set_in##offset##_max(struct device *dev, \ - struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - return set_in_max(dev, buf, count, offset); \ -} \ -static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ - show_in##offset##_min, set_in##offset##_min); \ -static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ - show_in##offset##_max, set_in##offset##_max); - -show_in_offset(0); -show_in_offset(1); -show_in_offset(2); -show_in_offset(3); -show_in_offset(4); -show_in_offset(5); +#define vin(nr) \ +static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, \ + show_in, NULL, nr); \ +static SENSOR_DEVICE_ATTR(in##nr##_min, S_IRUGO | S_IWUSR, \ + show_in_min, set_in_min, nr); \ +static SENSOR_DEVICE_ATTR(in##nr##_max, S_IRUGO | S_IWUSR, \ + show_in_max, set_in_max, nr); + +vin(0); +vin(1); +vin(2); +vin(3); +vin(4); +vin(5); /* fans */ -static ssize_t show_fan(struct device *dev, char *buf, int nr) +static ssize_t show_fan(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct adm9240_data *data = adm9240_update_device(dev); - return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], - 1 << data->fan_div[nr])); + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[attr->index], + 1 << data->fan_div[attr->index])); } -static ssize_t show_fan_min(struct device *dev, char *buf, int nr) +static ssize_t show_fan_min(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct adm9240_data *data = adm9240_update_device(dev); - return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], - 1 << data->fan_div[nr])); + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[attr->index], + 1 << data->fan_div[attr->index])); } -static ssize_t show_fan_div(struct device *dev, char *buf, int nr) +static ssize_t show_fan_div(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct adm9240_data *data = adm9240_update_device(dev); - return sprintf(buf, "%d\n", 1 << data->fan_div[nr]); + return sprintf(buf, "%d\n", 1 << data->fan_div[attr->index]); } /* write new fan div, callers must hold data->update_lock */ @@ -341,16 +319,16 @@ static void adm9240_write_fan_div(struct i2c_client *client, int nr, { u8 reg, old, shift = (nr + 2) * 2; - reg = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV); + reg = i2c_smbus_read_byte_data(client, ADM9240_REG_VID_FAN_DIV); old = (reg >> shift) & 3; reg &= ~(3 << shift); reg |= (fan_div << shift); - adm9240_write_value(client, ADM9240_REG_VID_FAN_DIV, reg); + i2c_smbus_write_byte_data(client, ADM9240_REG_VID_FAN_DIV, reg); dev_dbg(&client->dev, "fan%d clock divider changed from %u " "to %u\n", nr + 1, 1 << old, 1 << fan_div); } -/* +/* * set fan speed low limit: * * - value is zero: disable fan speed low limit alarm @@ -361,12 +339,15 @@ static void adm9240_write_fan_div(struct i2c_client *client, int nr, * - otherwise: select fan clock divider to suit fan speed low limit, * measurement code may adjust registers to ensure fan speed reading */ -static ssize_t set_fan_min(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_fan_min(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 adm9240_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); + int nr = attr->index; u8 new_div; down(&data->update_lock); @@ -406,50 +387,27 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, data->fan_div[nr] = new_div; adm9240_write_fan_div(client, nr, new_div); } - adm9240_write_value(client, ADM9240_REG_FAN_MIN(nr), + i2c_smbus_write_byte_data(client, ADM9240_REG_FAN_MIN(nr), data->fan_min[nr]); up(&data->update_lock); return count; } -#define show_fan_offset(offset) \ -static ssize_t show_fan_##offset (struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ -return show_fan(dev, buf, offset - 1); \ -} \ -static ssize_t show_fan_##offset##_div (struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ -return show_fan_div(dev, buf, offset - 1); \ -} \ -static ssize_t show_fan_##offset##_min (struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ -return show_fan_min(dev, buf, offset - 1); \ -} \ -static ssize_t set_fan_##offset##_min (struct device *dev, \ - struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ -return set_fan_min(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ - show_fan_##offset, NULL); \ -static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \ - show_fan_##offset##_div, NULL); \ -static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ - show_fan_##offset##_min, set_fan_##offset##_min); - -show_fan_offset(1); -show_fan_offset(2); +#define fan(nr) \ +static SENSOR_DEVICE_ATTR(fan##nr##_input, S_IRUGO, \ + show_fan, NULL, nr - 1); \ +static SENSOR_DEVICE_ATTR(fan##nr##_div, S_IRUGO, \ + show_fan_div, NULL, nr - 1); \ +static SENSOR_DEVICE_ATTR(fan##nr##_min, S_IRUGO | S_IWUSR, \ + show_fan_min, set_fan_min, nr - 1); + +fan(1); +fan(2); /* alarms */ -static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarms(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm9240_data *data = adm9240_update_device(dev); return sprintf(buf, "%u\n", data->alarms); @@ -457,7 +415,8 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); /* vid */ -static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_vid(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm9240_data *data = adm9240_update_device(dev); return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); @@ -465,13 +424,16 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); /* analog output */ -static ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_aout(struct device *dev, + struct device_attribute *attr, char *buf) { struct adm9240_data *data = adm9240_update_device(dev); return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout)); } -static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t set_aout(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm9240_data *data = i2c_get_clientdata(client); @@ -479,20 +441,23 @@ static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const down(&data->update_lock); data->aout = AOUT_TO_REG(val); - adm9240_write_value(client, ADM9240_REG_ANALOG_OUT, data->aout); + i2c_smbus_write_byte_data(client, ADM9240_REG_ANALOG_OUT, data->aout); up(&data->update_lock); return count; } static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout); /* chassis_clear */ -static ssize_t chassis_clear(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t chassis_clear(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); unsigned long val = simple_strtol(buf, NULL, 10); if (val == 1) { - adm9240_write_value(client, ADM9240_REG_CHASSIS_CLEAR, 0x80); + i2c_smbus_write_byte_data(client, + ADM9240_REG_CHASSIS_CLEAR, 0x80); dev_dbg(&client->dev, "chassis intrusion latch cleared\n"); } return count; @@ -513,11 +478,10 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct adm9240_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(*data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct adm9240_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); @@ -533,7 +497,7 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) if (kind < 0) { /* verify chip: reg address should match i2c address */ - if (adm9240_read_value(new_client, ADM9240_REG_I2C_ADDR) + if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR) != address) { dev_err(&adapter->dev, "detect fail: address match, " "0x%02x\n", address); @@ -541,8 +505,8 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) } /* check known chip manufacturer */ - man_id = adm9240_read_value(new_client, ADM9240_REG_MAN_ID); - + man_id = i2c_smbus_read_byte_data(new_client, + ADM9240_REG_MAN_ID); if (man_id == 0x23) { kind = adm9240; } else if (man_id == 0xda) { @@ -556,7 +520,8 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) } /* successful detect, print chip info */ - die_rev = adm9240_read_value(new_client, ADM9240_REG_DIE_REV); + die_rev = i2c_smbus_read_byte_data(new_client, + ADM9240_REG_DIE_REV); dev_info(&adapter->dev, "found %s revision %u\n", man_id == 0x23 ? "ADM9240" : man_id == 0xda ? "DS1780" : "LM81", die_rev); @@ -588,33 +553,59 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) goto exit_detach; } - device_create_file(&new_client->dev, &dev_attr_in0_input); - device_create_file(&new_client->dev, &dev_attr_in0_min); - device_create_file(&new_client->dev, &dev_attr_in0_max); - device_create_file(&new_client->dev, &dev_attr_in1_input); - device_create_file(&new_client->dev, &dev_attr_in1_min); - device_create_file(&new_client->dev, &dev_attr_in1_max); - device_create_file(&new_client->dev, &dev_attr_in2_input); - device_create_file(&new_client->dev, &dev_attr_in2_min); - device_create_file(&new_client->dev, &dev_attr_in2_max); - device_create_file(&new_client->dev, &dev_attr_in3_input); - device_create_file(&new_client->dev, &dev_attr_in3_min); - device_create_file(&new_client->dev, &dev_attr_in3_max); - device_create_file(&new_client->dev, &dev_attr_in4_input); - device_create_file(&new_client->dev, &dev_attr_in4_min); - device_create_file(&new_client->dev, &dev_attr_in4_max); - device_create_file(&new_client->dev, &dev_attr_in5_input); - device_create_file(&new_client->dev, &dev_attr_in5_min); - device_create_file(&new_client->dev, &dev_attr_in5_max); - device_create_file(&new_client->dev, &dev_attr_temp1_max); - device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst); + device_create_file(&new_client->dev, + &sensor_dev_attr_in0_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in0_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in0_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in1_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in1_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in1_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in2_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in2_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in2_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in3_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in3_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in3_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in4_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in4_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in4_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in5_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in5_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_in5_max.dev_attr); device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_fan1_input); - device_create_file(&new_client->dev, &dev_attr_fan1_div); - device_create_file(&new_client->dev, &dev_attr_fan1_min); - device_create_file(&new_client->dev, &dev_attr_fan2_input); - device_create_file(&new_client->dev, &dev_attr_fan2_div); - device_create_file(&new_client->dev, &dev_attr_fan2_min); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_max_hyst.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan1_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan1_div.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan1_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan2_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan2_div.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan2_min.dev_attr); device_create_file(&new_client->dev, &dev_attr_alarms); device_create_file(&new_client->dev, &dev_attr_aout_output); device_create_file(&new_client->dev, &dev_attr_chassis_clear); @@ -654,8 +645,8 @@ static int adm9240_detach_client(struct i2c_client *client) static void adm9240_init_client(struct i2c_client *client) { struct adm9240_data *data = i2c_get_clientdata(client); - u8 conf = adm9240_read_value(client, ADM9240_REG_CONFIG); - u8 mode = adm9240_read_value(client, ADM9240_REG_TEMP_CONF) & 3; + u8 conf = i2c_smbus_read_byte_data(client, ADM9240_REG_CONFIG); + u8 mode = i2c_smbus_read_byte_data(client, ADM9240_REG_TEMP_CONF) & 3; data->vrm = vid_which_vrm(); /* need this to report vid as mV */ @@ -672,18 +663,22 @@ static void adm9240_init_client(struct i2c_client *client) for (i = 0; i < 6; i++) { - adm9240_write_value(client, + i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(i), 0); - adm9240_write_value(client, + i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(i), 255); } - adm9240_write_value(client, ADM9240_REG_FAN_MIN(0), 255); - adm9240_write_value(client, ADM9240_REG_FAN_MIN(1), 255); - adm9240_write_value(client, ADM9240_REG_TEMP_HIGH, 127); - adm9240_write_value(client, ADM9240_REG_TEMP_HYST, 127); + i2c_smbus_write_byte_data(client, + ADM9240_REG_FAN_MIN(0), 255); + i2c_smbus_write_byte_data(client, + ADM9240_REG_FAN_MIN(1), 255); + i2c_smbus_write_byte_data(client, + ADM9240_REG_TEMP_MAX(0), 127); + i2c_smbus_write_byte_data(client, + ADM9240_REG_TEMP_MAX(1), 127); /* start measurement cycle */ - adm9240_write_value(client, ADM9240_REG_CONFIG, 1); + i2c_smbus_write_byte_data(client, ADM9240_REG_CONFIG, 1); dev_info(&client->dev, "cold start: config was 0x%02x " "mode %u\n", conf, mode); @@ -704,25 +699,25 @@ static struct adm9240_data *adm9240_update_device(struct device *dev) for (i = 0; i < 6; i++) /* read voltages */ { - data->in[i] = adm9240_read_value(client, + data->in[i] = i2c_smbus_read_byte_data(client, ADM9240_REG_IN(i)); } - data->alarms = adm9240_read_value(client, + data->alarms = i2c_smbus_read_byte_data(client, ADM9240_REG_INT(0)) | - adm9240_read_value(client, + i2c_smbus_read_byte_data(client, ADM9240_REG_INT(1)) << 8; /* read temperature: assume temperature changes less than * 0.5'C per two measurement cycles thus ignore possible * but unlikely aliasing error on lsb reading. --Grant */ - data->temp = ((adm9240_read_value(client, + data->temp = ((i2c_smbus_read_byte_data(client, ADM9240_REG_TEMP) << 8) | - adm9240_read_value(client, + i2c_smbus_read_byte_data(client, ADM9240_REG_TEMP_CONF)) / 128; for (i = 0; i < 2; i++) /* read fans */ { - data->fan[i] = adm9240_read_value(client, + data->fan[i] = i2c_smbus_read_byte_data(client, ADM9240_REG_FAN(i)); /* adjust fan clock divider on overflow */ @@ -747,30 +742,30 @@ static struct adm9240_data *adm9240_update_device(struct device *dev) for (i = 0; i < 6; i++) { - data->in_min[i] = adm9240_read_value(client, + data->in_min[i] = i2c_smbus_read_byte_data(client, ADM9240_REG_IN_MIN(i)); - data->in_max[i] = adm9240_read_value(client, + data->in_max[i] = i2c_smbus_read_byte_data(client, ADM9240_REG_IN_MAX(i)); } for (i = 0; i < 2; i++) { - data->fan_min[i] = adm9240_read_value(client, + data->fan_min[i] = i2c_smbus_read_byte_data(client, ADM9240_REG_FAN_MIN(i)); } - data->temp_high = adm9240_read_value(client, - ADM9240_REG_TEMP_HIGH); - data->temp_hyst = adm9240_read_value(client, - ADM9240_REG_TEMP_HYST); + data->temp_max[0] = i2c_smbus_read_byte_data(client, + ADM9240_REG_TEMP_MAX(0)); + data->temp_max[1] = i2c_smbus_read_byte_data(client, + ADM9240_REG_TEMP_MAX(1)); /* read fan divs and 5-bit VID */ - i = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV); + i = i2c_smbus_read_byte_data(client, ADM9240_REG_VID_FAN_DIV); data->fan_div[0] = (i >> 4) & 3; data->fan_div[1] = (i >> 6) & 3; data->vid = i & 0x0f; - data->vid |= (adm9240_read_value(client, + data->vid |= (i2c_smbus_read_byte_data(client, ADM9240_REG_VID4) & 1) << 4; /* read analog out */ - data->aout = adm9240_read_value(client, + data->aout = i2c_smbus_read_byte_data(client, ADM9240_REG_ANALOG_OUT); data->last_updated_config = jiffies; diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index 8e34855a6274..52c469722a65 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -629,19 +629,17 @@ static int asb100_detect_subclients(struct i2c_adapter *adapter, int address, int i, id, err; struct asb100_data *data = i2c_get_clientdata(new_client); - data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); if (!(data->lm75[0])) { err = -ENOMEM; goto ERROR_SC_0; } - memset(data->lm75[0], 0x00, sizeof(struct i2c_client)); - data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); if (!(data->lm75[1])) { err = -ENOMEM; goto ERROR_SC_1; } - memset(data->lm75[1], 0x00, sizeof(struct i2c_client)); id = i2c_adapter_id(adapter); @@ -724,12 +722,11 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind) client structure, even though we cannot fill it completely yet. But it allows us to access asb100_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct asb100_data), GFP_KERNEL))) { - pr_debug("asb100.o: detect failed, kmalloc failed!\n"); + if (!(data = kzalloc(sizeof(struct asb100_data), GFP_KERNEL))) { + pr_debug("asb100.o: detect failed, kzalloc failed!\n"); err = -ENOMEM; goto ERROR0; } - memset(data, 0, sizeof(struct asb100_data)); new_client = &data->client; init_MUTEX(&data->lock); diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c index deb4d34c9539..53324f56404e 100644 --- a/drivers/hwmon/atxp1.c +++ b/drivers/hwmon/atxp1.c @@ -253,6 +253,8 @@ static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2); static int atxp1_attach_adapter(struct i2c_adapter *adapter) { + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; return i2c_probe(adapter, &addr_data, &atxp1_detect); }; @@ -266,12 +268,11 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct atxp1_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct atxp1_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct atxp1_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index b0199e063d0e..34f71b7c7f37 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -180,12 +180,14 @@ static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max); static int ds1621_attach_adapter(struct i2c_adapter *adapter) { + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; return i2c_probe(adapter, &addr_data, ds1621_detect); } /* This function is called by i2c_probe */ -int ds1621_detect(struct i2c_adapter *adapter, int address, - int kind) +static int ds1621_detect(struct i2c_adapter *adapter, int address, + int kind) { int conf, temp; struct i2c_client *new_client; @@ -200,11 +202,10 @@ int ds1621_detect(struct i2c_adapter *adapter, int address, /* OK. For now, we presume we have a valid client. We now create the client structure, even though we cannot fill it completely yet. But it allows us to access ds1621_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct ds1621_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct ds1621_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct ds1621_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/fscher.c b/drivers/hwmon/fscher.c index eef6061d786b..a02e1c34c757 100644 --- a/drivers/hwmon/fscher.c +++ b/drivers/hwmon/fscher.c @@ -303,11 +303,10 @@ static int fscher_detect(struct i2c_adapter *adapter, int address, int kind) /* OK. For now, we presume we have a valid client. We now create the * client structure, even though we cannot fill it completely yet. * But it allows us to access i2c_smbus_read_byte_data. */ - if (!(data = kmalloc(sizeof(struct fscher_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct fscher_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct fscher_data)); /* The common I2C client data is placed right before the * Hermes-specific data. */ diff --git a/drivers/hwmon/fscpos.c b/drivers/hwmon/fscpos.c index 5fc77a5fed07..64e4edc64f8d 100644 --- a/drivers/hwmon/fscpos.c +++ b/drivers/hwmon/fscpos.c @@ -438,7 +438,7 @@ static int fscpos_attach_adapter(struct i2c_adapter *adapter) return i2c_probe(adapter, &addr_data, fscpos_detect); } -int fscpos_detect(struct i2c_adapter *adapter, int address, int kind) +static int fscpos_detect(struct i2c_adapter *adapter, int address, int kind) { struct i2c_client *new_client; struct fscpos_data *data; @@ -453,11 +453,10 @@ int fscpos_detect(struct i2c_adapter *adapter, int address, int kind) * But it allows us to access fscpos_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct fscpos_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct fscpos_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct fscpos_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c index 256b9323c84b..2f178dbe3d87 100644 --- a/drivers/hwmon/gl518sm.c +++ b/drivers/hwmon/gl518sm.c @@ -365,11 +365,10 @@ static int gl518_detect(struct i2c_adapter *adapter, int address, int kind) client structure, even though we cannot fill it completely yet. But it allows us to access gl518_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct gl518_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct gl518_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct gl518_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c index 12fd757066fc..c39ba1239426 100644 --- a/drivers/hwmon/gl520sm.c +++ b/drivers/hwmon/gl520sm.c @@ -536,11 +536,10 @@ static int gl520_detect(struct i2c_adapter *adapter, int address, int kind) client structure, even though we cannot fill it completely yet. But it allows us to access gl520_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct gl520_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct gl520_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct gl520_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 53cc2b6d6385..6c41e25e670b 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -2,7 +2,7 @@ it87.c - Part of lm_sensors, Linux kernel modules for hardware monitoring. - Supports: IT8705F Super I/O chip w/LPC interface & SMBus + Supports: IT8705F Super I/O chip w/LPC interface IT8712F Super I/O chip w/LPC interface & SMBus Sis950 A clone of the IT8705F @@ -47,7 +47,7 @@ /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; -static unsigned short isa_address = 0x290; +static unsigned short isa_address; /* Insmod parameters */ I2C_CLIENT_INSMOD_2(it87, it8712); @@ -706,7 +706,7 @@ static int it87_isa_attach_adapter(struct i2c_adapter *adapter) } /* SuperIO detection - will change isa_address if a chip is found */ -static int __init it87_find(int *address) +static int __init it87_find(unsigned short *address) { int err = -ENODEV; @@ -738,7 +738,7 @@ exit: } /* This function is called by i2c_probe */ -int it87_detect(struct i2c_adapter *adapter, int address, int kind) +static int it87_detect(struct i2c_adapter *adapter, int address, int kind) { int i; struct i2c_client *new_client; @@ -757,42 +757,14 @@ int it87_detect(struct i2c_adapter *adapter, int address, int kind) if (!request_region(address, IT87_EXTENT, it87_isa_driver.name)) goto ERROR0; - /* Probe whether there is anything available on this address. Already - done for SMBus and Super-I/O clients */ - if (kind < 0) { - if (is_isa && !chip_type) { -#define REALLY_SLOW_IO - /* We need the timeouts for at least some IT87-like chips. But only - if we read 'undefined' registers. */ - i = inb_p(address + 1); - if (inb_p(address + 2) != i - || inb_p(address + 3) != i - || inb_p(address + 7) != i) { - err = -ENODEV; - goto ERROR1; - } -#undef REALLY_SLOW_IO - - /* Let's just hope nothing breaks here */ - i = inb_p(address + 5) & 0x7f; - outb_p(~i & 0x7f, address + 5); - if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) { - outb_p(i, address + 5); - err = -ENODEV; - goto ERROR1; - } - } - } - - /* OK. For now, we presume we have a valid client. We now create the + /* For now, we presume we have a valid client. We create the client structure, even though we cannot fill it completely yet. But it allows us to access it87_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct it87_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct it87_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR1; } - memset(data, 0, sizeof(struct it87_data)); new_client = &data->client; if (is_isa) @@ -1182,20 +1154,18 @@ static struct it87_data *it87_update_device(struct device *dev) static int __init sm_it87_init(void) { - int addr, res; - - if (!it87_find(&addr)) { - isa_address = addr; - } + int res; res = i2c_add_driver(&it87_driver); if (res) return res; - res = i2c_isa_add_driver(&it87_isa_driver); - if (res) { - i2c_del_driver(&it87_driver); - return res; + if (!it87_find(&isa_address)) { + res = i2c_isa_add_driver(&it87_isa_driver); + if (res) { + i2c_del_driver(&it87_driver); + return res; + } } return 0; diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index be5c7095ecbb..954ec2497249 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -375,11 +375,10 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct lm63_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm63_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm63_data)); /* The common I2C client data is placed right before the LM63-specific data. */ diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 9a3ebdf583f4..d70f4c8fc1e6 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -127,11 +127,10 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind) /* OK. For now, we presume we have a valid client. We now create the client structure, even though we cannot fill it completely yet. But it allows us to access lm75_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct lm75_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm75_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm75_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c index 866eab96a6f6..9380fda7dcd1 100644 --- a/drivers/hwmon/lm77.c +++ b/drivers/hwmon/lm77.c @@ -226,11 +226,10 @@ static int lm77_detect(struct i2c_adapter *adapter, int address, int kind) /* OK. For now, we presume we have a valid client. We now create the client structure, even though we cannot fill it completely yet. But it allows us to access lm77_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct lm77_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm77_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm77_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index f6730dc3573b..bde0cda9477e 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -480,7 +480,7 @@ static int lm78_isa_attach_adapter(struct i2c_adapter *adapter) } /* This function is called by i2c_probe */ -int lm78_detect(struct i2c_adapter *adapter, int address, int kind) +static int lm78_detect(struct i2c_adapter *adapter, int address, int kind) { int i, err; struct i2c_client *new_client; @@ -540,11 +540,10 @@ int lm78_detect(struct i2c_adapter *adapter, int address, int kind) client structure, even though we cannot fill it completely yet. But it allows us to access lm78_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct lm78_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm78_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR1; } - memset(data, 0, sizeof(struct lm78_data)); new_client = &data->client; if (is_isa) @@ -726,7 +725,6 @@ static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value) return i2c_smbus_write_byte_data(client, reg, value); } -/* Called when we have found a new LM78. It should set limits, etc. */ static void lm78_init_client(struct i2c_client *client) { u8 config = lm78_read_value(client, LM78_REG_CONFIG); diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c index 83af8b3a0cac..c359fdea211e 100644 --- a/drivers/hwmon/lm80.c +++ b/drivers/hwmon/lm80.c @@ -393,7 +393,7 @@ static int lm80_attach_adapter(struct i2c_adapter *adapter) return i2c_probe(adapter, &addr_data, lm80_detect); } -int lm80_detect(struct i2c_adapter *adapter, int address, int kind) +static int lm80_detect(struct i2c_adapter *adapter, int address, int kind) { int i, cur; struct i2c_client *new_client; @@ -407,11 +407,10 @@ int lm80_detect(struct i2c_adapter *adapter, int address, int kind) /* OK. For now, we presume we have a valid client. We now create the client structure, even though we cannot fill it completely yet. But it allows us to access lm80_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct lm80_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm80_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm80_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index d74b2c20c719..9a70611a9f69 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -230,11 +230,10 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct lm83_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm83_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm83_data)); /* The common I2C client data is placed right after the * LM83-specific data. */ diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index ab214df9624b..d1070ed2bee6 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -1007,14 +1007,14 @@ temp_auto(1); temp_auto(2); temp_auto(3); -int lm85_attach_adapter(struct i2c_adapter *adapter) +static int lm85_attach_adapter(struct i2c_adapter *adapter) { if (!(adapter->class & I2C_CLASS_HWMON)) return 0; return i2c_probe(adapter, &addr_data, lm85_detect); } -int lm85_detect(struct i2c_adapter *adapter, int address, +static int lm85_detect(struct i2c_adapter *adapter, int address, int kind) { int company, verstep ; @@ -1033,11 +1033,10 @@ int lm85_detect(struct i2c_adapter *adapter, int address, client structure, even though we cannot fill it completely yet. But it allows us to access lm85_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct lm85_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR0; } - memset(data, 0, sizeof(struct lm85_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); @@ -1236,7 +1235,7 @@ int lm85_detect(struct i2c_adapter *adapter, int address, return err; } -int lm85_detach_client(struct i2c_client *client) +static int lm85_detach_client(struct i2c_client *client) { struct lm85_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->class_dev); @@ -1246,7 +1245,7 @@ int lm85_detach_client(struct i2c_client *client) } -int lm85_read_value(struct i2c_client *client, u8 reg) +static int lm85_read_value(struct i2c_client *client, u8 reg) { int res; @@ -1276,7 +1275,7 @@ int lm85_read_value(struct i2c_client *client, u8 reg) return res ; } -int lm85_write_value(struct i2c_client *client, u8 reg, int value) +static int lm85_write_value(struct i2c_client *client, u8 reg, int value) { int res ; @@ -1305,7 +1304,7 @@ int lm85_write_value(struct i2c_client *client, u8 reg, int value) return res ; } -void lm85_init_client(struct i2c_client *client) +static void lm85_init_client(struct i2c_client *client) { int value; struct lm85_data *data = i2c_get_clientdata(client); diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index dca996de4c33..eeec18177861 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -554,11 +554,10 @@ static int lm87_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct lm87_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm87_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm87_data)); /* The common I2C client data is placed right before the LM87-specific data. */ diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 14de05fcd431..83cf2e1b09f5 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -31,7 +31,7 @@ * Devices. That chip is similar to the LM90, with a few differences * that are not handled by this driver. Complete datasheet can be * obtained from Analog's website at: - * http://products.analog.com/products/info.asp?product=ADM1032 + * http://www.analog.com/en/prod/0,2877,ADM1032,00.html * Among others, it has a higher accuracy than the LM90, much like the * LM86 does. * @@ -49,7 +49,7 @@ * register values are decoded differently) it is ignored by this * driver. Complete datasheet can be obtained from Analog's website * at: - * http://products.analog.com/products/info.asp?product=ADT7461 + * http://www.analog.com/en/prod/0,2877,ADT7461,00.html * * Since the LM90 was the first chipset supported by this driver, most * comments will refer to this chipset, but are actually general and @@ -83,10 +83,10 @@ * Addresses to scan * Address is fully defined internally and cannot be changed except for * MAX6659. - * LM86, LM89, LM90, LM99, ADM1032, MAX6657 and MAX6658 have address 0x4c. - * LM89-1, and LM99-1 have address 0x4d. + * LM86, LM89, LM90, LM99, ADM1032, ADM1032-1, ADT7461, MAX6657 and MAX6658 + * have address 0x4c. + * ADM1032-2, ADT7461-2, LM89-1, and LM99-1 have address 0x4d. * MAX6659 can have address 0x4c, 0x4d or 0x4e (unsupported). - * ADT7461 always has address 0x4c. */ static unsigned short normal_i2c[] = { 0x4c, 0x4d, I2C_CLIENT_END }; @@ -345,10 +345,74 @@ static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst, static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 4); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +/* pec used for ADM1032 only */ +static ssize_t show_pec(struct device *dev, struct device_attribute *dummy, + char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + return sprintf(buf, "%d\n", !!(client->flags & I2C_CLIENT_PEC)); +} + +static ssize_t set_pec(struct device *dev, struct device_attribute *dummy, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + long val = simple_strtol(buf, NULL, 10); + + switch (val) { + case 0: + client->flags &= ~I2C_CLIENT_PEC; + break; + case 1: + client->flags |= I2C_CLIENT_PEC; + break; + default: + return -EINVAL; + } + + return count; +} + +static DEVICE_ATTR(pec, S_IWUSR | S_IRUGO, show_pec, set_pec); + /* * Real code */ +/* The ADM1032 supports PEC but not on write byte transactions, so we need + to explicitely ask for a transaction without PEC. */ +static inline s32 adm1032_write_byte(struct i2c_client *client, u8 value) +{ + return i2c_smbus_xfer(client->adapter, client->addr, + client->flags & ~I2C_CLIENT_PEC, + I2C_SMBUS_WRITE, value, I2C_SMBUS_BYTE, NULL); +} + +/* It is assumed that client->update_lock is held (unless we are in + detection or initialization steps). This matters when PEC is enabled, + because we don't want the address pointer to change between the write + byte and the read byte transactions. */ +static int lm90_read_reg(struct i2c_client* client, u8 reg, u8 *value) +{ + int err; + + if (client->flags & I2C_CLIENT_PEC) { + err = adm1032_write_byte(client, reg); + if (err >= 0) + err = i2c_smbus_read_byte(client); + } else + err = i2c_smbus_read_byte_data(client, reg); + + if (err < 0) { + dev_warn(&client->dev, "Register %#02x read failed (%d)\n", + reg, err); + return err; + } + *value = err; + + return 0; +} + static int lm90_attach_adapter(struct i2c_adapter *adapter) { if (!(adapter->class & I2C_CLASS_HWMON)) @@ -370,11 +434,10 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct lm90_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm90_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm90_data)); /* The common I2C client data is placed right before the LM90-specific data. */ @@ -403,20 +466,22 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind) if (kind < 0) { /* detection and identification */ u8 man_id, chip_id, reg_config1, reg_convrate; - man_id = i2c_smbus_read_byte_data(new_client, - LM90_REG_R_MAN_ID); - chip_id = i2c_smbus_read_byte_data(new_client, - LM90_REG_R_CHIP_ID); - reg_config1 = i2c_smbus_read_byte_data(new_client, - LM90_REG_R_CONFIG1); - reg_convrate = i2c_smbus_read_byte_data(new_client, - LM90_REG_R_CONVRATE); + if (lm90_read_reg(new_client, LM90_REG_R_MAN_ID, + &man_id) < 0 + || lm90_read_reg(new_client, LM90_REG_R_CHIP_ID, + &chip_id) < 0 + || lm90_read_reg(new_client, LM90_REG_R_CONFIG1, + ®_config1) < 0 + || lm90_read_reg(new_client, LM90_REG_R_CONVRATE, + ®_convrate) < 0) + goto exit_free; if (man_id == 0x01) { /* National Semiconductor */ u8 reg_config2; - reg_config2 = i2c_smbus_read_byte_data(new_client, - LM90_REG_R_CONFIG2); + if (lm90_read_reg(new_client, LM90_REG_R_CONFIG2, + ®_config2) < 0) + goto exit_free; if ((reg_config1 & 0x2A) == 0x00 && (reg_config2 & 0xF8) == 0x00 @@ -435,14 +500,12 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind) } } else if (man_id == 0x41) { /* Analog Devices */ - if (address == 0x4C - && (chip_id & 0xF0) == 0x40 /* ADM1032 */ + if ((chip_id & 0xF0) == 0x40 /* ADM1032 */ && (reg_config1 & 0x3F) == 0x00 && reg_convrate <= 0x0A) { kind = adm1032; } else - if (address == 0x4c - && chip_id == 0x51 /* ADT7461 */ + if (chip_id == 0x51 /* ADT7461 */ && (reg_config1 & 0x1F) == 0x00 /* check compat mode */ && reg_convrate <= 0x0A) { kind = adt7461; @@ -477,6 +540,10 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind) name = "lm90"; } else if (kind == adm1032) { name = "adm1032"; + /* The ADM1032 supports PEC, but only if combined + transactions are not used. */ + if (i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE)) + new_client->flags |= I2C_CLIENT_PEC; } else if (kind == lm99) { name = "lm99"; } else if (kind == lm86) { @@ -529,6 +596,9 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind) &sensor_dev_attr_temp2_crit_hyst.dev_attr); device_create_file(&new_client->dev, &dev_attr_alarms); + if (new_client->flags & I2C_CLIENT_PEC) + device_create_file(&new_client->dev, &dev_attr_pec); + return 0; exit_detach: @@ -548,7 +618,10 @@ static void lm90_init_client(struct i2c_client *client) */ i2c_smbus_write_byte_data(client, LM90_REG_W_CONVRATE, 5); /* 2 Hz */ - config = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG1); + if (lm90_read_reg(client, LM90_REG_R_CONFIG1, &config) < 0) { + dev_warn(&client->dev, "Initialization failed!\n"); + return; + } if (config & 0x40) i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config & 0xBF); /* run */ @@ -576,21 +649,15 @@ static struct lm90_data *lm90_update_device(struct device *dev) down(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { - u8 oldh, newh; + u8 oldh, newh, l; dev_dbg(&client->dev, "Updating lm90 data.\n"); - data->temp8[0] = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_TEMP); - data->temp8[1] = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_LOW); - data->temp8[2] = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_HIGH); - data->temp8[3] = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_CRIT); - data->temp8[4] = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_CRIT); - data->temp_hyst = i2c_smbus_read_byte_data(client, - LM90_REG_R_TCRIT_HYST); + lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &data->temp8[0]); + lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[1]); + lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[2]); + lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[3]); + lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[4]); + lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst); /* * There is a trick here. We have to read two registers to @@ -606,36 +673,20 @@ static struct lm90_data *lm90_update_device(struct device *dev) * then we have a valid reading. Else we have to read the low * byte again, and now we believe we have a correct reading. */ - oldh = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_TEMPH); - data->temp11[0] = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_TEMPL); - newh = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_TEMPH); - if (newh != oldh) { - data->temp11[0] = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_TEMPL); -#ifdef DEBUG - oldh = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_TEMPH); - /* oldh is actually newer */ - if (newh != oldh) - dev_warn(&client->dev, "Remote temperature may be " - "wrong.\n"); -#endif - } - data->temp11[0] |= (newh << 8); - - data->temp11[1] = (i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_LOWH) << 8) + - i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_LOWL); - data->temp11[2] = (i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_HIGHH) << 8) + - i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_HIGHL); - data->alarms = i2c_smbus_read_byte_data(client, - LM90_REG_R_STATUS); + if (lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &oldh) == 0 + && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0 + && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &newh) == 0 + && (newh == oldh + || lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0)) + data->temp11[0] = (newh << 8) | l; + + if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &newh) == 0 + && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0) + data->temp11[1] = (newh << 8) | l; + if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &newh) == 0 + && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0) + data->temp11[2] = (newh << 8) | l; + lm90_read_reg(client, LM90_REG_R_STATUS, &data->alarms); data->last_updated = jiffies; data->valid = 1; diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c index 647b7c7cd575..7a4b3701ed1a 100644 --- a/drivers/hwmon/lm92.c +++ b/drivers/hwmon/lm92.c @@ -300,11 +300,10 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind) | I2C_FUNC_SMBUS_WORD_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct lm92_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct lm92_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct lm92_data)); /* Fill in enough client fields so that we can read from the chip, which is required for identication */ diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index 16bf71f3a04d..6a82ffae1bfd 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -197,11 +197,10 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct max1619_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct max1619_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct max1619_data)); /* The common I2C client data is placed right before the MAX1619-specific data. */ diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c index cf2a35799c7c..17f745a23d04 100644 --- a/drivers/hwmon/pc87360.c +++ b/drivers/hwmon/pc87360.c @@ -754,9 +754,8 @@ static int pc87360_detect(struct i2c_adapter *adapter) const char *name = "pc87360"; int use_thermistors = 0; - if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL))) + if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL))) return -ENOMEM; - memset(data, 0x00, sizeof(struct pc87360_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c index 21aa9a41f62c..9c6cadec1087 100644 --- a/drivers/hwmon/sis5595.c +++ b/drivers/hwmon/sis5595.c @@ -518,11 +518,10 @@ static int sis5595_detect(struct i2c_adapter *adapter) goto exit_release; } - if (!(data = kmalloc(sizeof(struct sis5595_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) { err = -ENOMEM; goto exit_release; } - memset(data, 0, sizeof(struct sis5595_data)); new_client = &data->client; new_client->addr = address; diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index 7fe71576dea4..2a3e21b5b6b4 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -244,11 +244,10 @@ static int smsc47b397_detect(struct i2c_adapter *adapter) return -EBUSY; } - if (!(data = kmalloc(sizeof(struct smsc47b397_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct smsc47b397_data), GFP_KERNEL))) { err = -ENOMEM; goto error_release; } - memset(data, 0x00, sizeof(struct smsc47b397_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); @@ -299,7 +298,7 @@ static int __init smsc47b397_find(unsigned short *addr) superio_enter(); id = superio_inb(SUPERIO_REG_DEVID); - if (id != 0x6f) { + if ((id != 0x6f) && (id != 0x81)) { superio_exit(); return -ENODEV; } @@ -310,8 +309,9 @@ static int __init smsc47b397_find(unsigned short *addr) *addr = (superio_inb(SUPERIO_REG_BASE_MSB) << 8) | superio_inb(SUPERIO_REG_BASE_LSB); - printk(KERN_INFO "smsc47b397: found SMSC LPC47B397-NC " - "(base address 0x%04x, revision %u)\n", *addr, rev); + printk(KERN_INFO "smsc47b397: found SMSC %s " + "(base address 0x%04x, revision %u)\n", + id == 0x81 ? "SCH5307-NS" : "LPC47B397-NC", *addr, rev); superio_exit(); return 0; diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index c9cc683eba4a..5905c1af88f2 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -3,7 +3,7 @@ for hardware monitoring Supports the SMSC LPC47B27x, LPC47M10x, LPC47M13x, LPC47M14x, - LPC47M15x and LPC47M192 Super-I/O chips. + LPC47M15x, LPC47M192 and LPC47M997 Super-I/O chips. Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> Copyright (C) 2004 Jean Delvare <khali@linux-fr.org> @@ -356,6 +356,8 @@ static int __init smsc47m1_find(unsigned short *addr) * 0x5F) and LPC47B27x (device id 0x51) have fan control. * The LPC47M15x and LPC47M192 chips "with hardware monitoring block" * can do much more besides (device id 0x60). + * The LPC47M997 is undocumented, but seems to be compatible with + * the LPC47M192, and has the same device id. */ if (val == 0x51) printk(KERN_INFO "smsc47m1: Found SMSC LPC47B27x\n"); @@ -364,7 +366,8 @@ static int __init smsc47m1_find(unsigned short *addr) else if (val == 0x5F) printk(KERN_INFO "smsc47m1: Found SMSC LPC47M14x\n"); else if (val == 0x60) - printk(KERN_INFO "smsc47m1: Found SMSC LPC47M15x/LPC47M192\n"); + printk(KERN_INFO "smsc47m1: Found SMSC " + "LPC47M15x/LPC47M192/LPC47M997\n"); else { superio_exit(); return -ENODEV; @@ -396,11 +399,10 @@ static int smsc47m1_detect(struct i2c_adapter *adapter) return -EBUSY; } - if (!(data = kmalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) { err = -ENOMEM; goto error_release; } - memset(data, 0x00, sizeof(struct smsc47m1_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c index 05ddc88e7dd2..6f696f897176 100644 --- a/drivers/hwmon/via686a.c +++ b/drivers/hwmon/via686a.c @@ -44,7 +44,7 @@ /* If force_addr is set to anything different from 0, we forcibly enable the device at the given address. */ -static unsigned short force_addr = 0; +static unsigned short force_addr; module_param(force_addr, ushort, 0); MODULE_PARM_DESC(force_addr, "Initialize the base address of the sensors"); @@ -198,7 +198,7 @@ static inline u8 FAN_TO_REG(long rpm, int div) but the function is very linear in the useful range (0-80 deg C), so we'll just use linear interpolation for 10-bit readings.) So, tempLUT is the temp at via register values 0-255: */ -static const long tempLUT[] = +static const s16 tempLUT[] = { -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519, -503, -487, -471, -456, -442, -428, -414, -400, -387, -375, -362, -350, -339, -327, -316, -305, -295, -285, -275, -265, @@ -270,7 +270,7 @@ static inline u8 TEMP_TO_REG(long val) } /* for 8-bit temperature hyst and over registers */ -#define TEMP_FROM_REG(val) (tempLUT[(val)] * 100) +#define TEMP_FROM_REG(val) ((long)tempLUT[val] * 100) /* for 10-bit temperature readings */ static inline long TEMP_FROM_REG10(u16 val) @@ -589,10 +589,8 @@ static int via686a_detect(struct i2c_adapter *adapter) u16 val; /* 8231 requires multiple of 256, we enforce that on 686 as well */ - if (force_addr) - address = force_addr & 0xFF00; - if (force_addr) { + address = force_addr & 0xFF00; dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n", address); if (PCIBIOS_SUCCESSFUL != @@ -603,11 +601,17 @@ static int via686a_detect(struct i2c_adapter *adapter) pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val)) return -ENODEV; if (!(val & 0x0001)) { - dev_warn(&adapter->dev, "enabling sensors\n"); - if (PCIBIOS_SUCCESSFUL != - pci_write_config_word(s_bridge, VIA686A_ENABLE_REG, - val | 0x0001)) + if (force_addr) { + dev_info(&adapter->dev, "enabling sensors\n"); + if (PCIBIOS_SUCCESSFUL != + pci_write_config_word(s_bridge, VIA686A_ENABLE_REG, + val | 0x0001)) + return -ENODEV; + } else { + dev_warn(&adapter->dev, "sensors disabled - enable " + "with force_addr=0x%x\n", address); return -ENODEV; + } } /* Reserve the ISA region */ @@ -617,11 +621,10 @@ static int via686a_detect(struct i2c_adapter *adapter) return -ENODEV; } - if (!(data = kmalloc(sizeof(struct via686a_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct via686a_data), GFP_KERNEL))) { err = -ENOMEM; goto exit_release; } - memset(data, 0, sizeof(struct via686a_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); @@ -708,7 +711,6 @@ static int via686a_detach_client(struct i2c_client *client) return 0; } -/* Called when we have found a new VIA686A. Set limits, etc. */ static void via686a_init_client(struct i2c_client *client) { u8 reg; diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index b60efe8f8b26..eee22a57e929 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -105,7 +105,9 @@ superio_exit(void) * ISA constants */ -#define REGION_LENGTH 8 +#define REGION_ALIGNMENT ~7 +#define REGION_OFFSET 5 +#define REGION_LENGTH 2 #define ADDR_REG_OFFSET 5 #define DATA_REG_OFFSET 6 @@ -673,16 +675,16 @@ static int w83627ehf_detect(struct i2c_adapter *adapter) struct w83627ehf_data *data; int i, err = 0; - if (!request_region(address, REGION_LENGTH, w83627ehf_driver.name)) { + if (!request_region(address + REGION_OFFSET, REGION_LENGTH, + w83627ehf_driver.name)) { err = -EBUSY; goto exit; } - if (!(data = kmalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { err = -ENOMEM; goto exit_release; } - memset(data, 0, sizeof(struct w83627ehf_data)); client = &data->client; i2c_set_clientdata(client, data); @@ -762,7 +764,7 @@ exit_detach: exit_free: kfree(data); exit_release: - release_region(address, REGION_LENGTH); + release_region(address + REGION_OFFSET, REGION_LENGTH); exit: return err; } @@ -776,7 +778,7 @@ static int w83627ehf_detach_client(struct i2c_client *client) if ((err = i2c_detach_client(client))) return err; - release_region(client->addr, REGION_LENGTH); + release_region(client->addr + REGION_OFFSET, REGION_LENGTH); kfree(data); return 0; @@ -807,7 +809,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr) superio_select(W83627EHF_LD_HWM); val = (superio_inb(SIO_REG_ADDR) << 8) | superio_inb(SIO_REG_ADDR + 1); - *addr = val & ~(REGION_LENGTH - 1); + *addr = val & REGION_ALIGNMENT; if (*addr == 0) { superio_exit(); return -ENODEV; diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 3479dc5208e2..70ef926c3bd8 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -142,10 +142,14 @@ superio_exit(void) #define WINB_BASE_REG 0x60 /* Constants specified below */ -/* Length of ISA address segment */ -#define WINB_EXTENT 8 +/* Alignment of the base address */ +#define WINB_ALIGNMENT ~7 -/* Where are the ISA address/data registers relative to the base address */ +/* Offset & size of I/O region we are interested in */ +#define WINB_REGION_OFFSET 5 +#define WINB_REGION_SIZE 2 + +/* Where are the sensors address/data registers relative to the base address */ #define W83781D_ADDR_REG_OFFSET 5 #define W83781D_DATA_REG_OFFSET 6 @@ -197,7 +201,6 @@ superio_exit(void) #define W83627HF_REG_PWM1 0x5A #define W83627HF_REG_PWM2 0x5B -#define W83627HF_REG_PWMCLK12 0x5C #define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */ #define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */ @@ -981,7 +984,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr) superio_select(W83627HF_LD_HWM); val = (superio_inb(WINB_BASE_REG) << 8) | superio_inb(WINB_BASE_REG + 1); - *addr = val & ~(WINB_EXTENT - 1); + *addr = val & WINB_ALIGNMENT; if (*addr == 0 && force_addr == 0) { superio_exit(); return -ENODEV; @@ -1000,9 +1003,10 @@ static int w83627hf_detect(struct i2c_adapter *adapter) const char *client_name = ""; if(force_addr) - address = force_addr & ~(WINB_EXTENT - 1); + address = force_addr & WINB_ALIGNMENT; - if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) { + if (!request_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE, + w83627hf_driver.name)) { err = -EBUSY; goto ERROR0; } @@ -1041,11 +1045,10 @@ static int w83627hf_detect(struct i2c_adapter *adapter) client structure, even though we cannot fill it completely yet. But it allows us to access w83627hf_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR1; } - memset(data, 0, sizeof(struct w83627hf_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); @@ -1148,7 +1151,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter) ERROR2: kfree(data); ERROR1: - release_region(address, WINB_EXTENT); + release_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE); ERROR0: return err; } @@ -1163,7 +1166,7 @@ static int w83627hf_detach_client(struct i2c_client *client) if ((err = i2c_detach_client(client))) return err; - release_region(client->addr, WINB_EXTENT); + release_region(client->addr + WINB_REGION_OFFSET, WINB_REGION_SIZE); kfree(data); return 0; @@ -1275,7 +1278,6 @@ static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value) return 0; } -/* Called when we have found a new W83781D. It should set limits, etc. */ static void w83627hf_init_client(struct i2c_client *client) { struct w83627hf_data *data = i2c_get_clientdata(client); @@ -1369,12 +1371,6 @@ static void w83627hf_init_client(struct i2c_client *client) } } - if (type == w83627hf) { - /* enable PWM2 control (can't hurt since PWM reg - should have been reset to 0xff) */ - w83627hf_write_value(client, W83627HF_REG_PWMCLK12, - 0x19); - } /* enable comparator mode for temp2 and temp3 so alarm indication will work correctly */ i = w83627hf_read_value(client, W83781D_REG_IRQ); diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index 4c43337ca780..9265f32122fa 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -889,12 +889,11 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, const char *client_name = ""; struct w83781d_data *data = i2c_get_clientdata(new_client); - data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); if (!(data->lm75[0])) { err = -ENOMEM; goto ERROR_SC_0; } - memset(data->lm75[0], 0x00, sizeof (struct i2c_client)); id = i2c_adapter_id(adapter); @@ -919,13 +918,11 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, } if (kind != w83783s) { - - data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); if (!(data->lm75[1])) { err = -ENOMEM; goto ERROR_SC_1; } - memset(data->lm75[1], 0x0, sizeof(struct i2c_client)); if (force_subclients[0] == id && force_subclients[1] == address) { @@ -1064,11 +1061,10 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) client structure, even though we cannot fill it completely yet. But it allows us to access w83781d_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR1; } - memset(data, 0, sizeof(struct w83781d_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); @@ -1451,7 +1447,6 @@ w83781d_write_value(struct i2c_client *client, u16 reg, u16 value) return 0; } -/* Called when we have found a new W83781D. It should set limits, etc. */ static void w83781d_init_client(struct i2c_client *client) { diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index ba0c28015f6a..4be59dbb78c4 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -1086,11 +1086,10 @@ w83792d_create_subclient(struct i2c_adapter *adapter, int err; struct i2c_client *sub_client; - (*sub_cli) = sub_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); if (!(sub_client)) { return -ENOMEM; } - memset(sub_client, 0x00, sizeof(struct i2c_client)); sub_client->addr = 0x48 + addr; i2c_set_clientdata(sub_client, NULL); sub_client->adapter = adapter; @@ -1184,11 +1183,10 @@ w83792d_detect(struct i2c_adapter *adapter, int address, int kind) client structure, even though we cannot fill it completely yet. But it allows us to access w83792d_{read,write}_value. */ - if (!(data = kmalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR0; } - memset(data, 0, sizeof(struct w83792d_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); @@ -1429,7 +1427,6 @@ w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) return 0; } -/* Called when we have found a new W83792D. It should set limits, etc. */ static void w83792d_init_client(struct i2c_client *client) { diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index 133e34ab1d0a..f495b6378668 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -37,6 +37,7 @@ #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> #include <linux/err.h> /* How many retries on register read error */ @@ -73,7 +74,7 @@ I2C_CLIENT_INSMOD_1(w83l785ts); * The W83L785TS-S uses signed 8-bit values. */ -#define TEMP_FROM_REG(val) ((val & 0x80 ? val-0x100 : val) * 1000) +#define TEMP_FROM_REG(val) ((val) * 1000) /* * Functions declaration @@ -111,27 +112,24 @@ struct w83l785ts_data { unsigned long last_updated; /* in jiffies */ /* registers values */ - u8 temp, temp_over; + s8 temp[2]; /* 0: input + 1: critical limit */ }; /* * Sysfs stuff */ -static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct w83l785ts_data *data = w83l785ts_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp)); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); } -static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct w83l785ts_data *data = w83l785ts_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over)); -} - -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); -static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_over, NULL); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, NULL, 1); /* * Real code @@ -158,12 +156,10 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) goto exit; - if (!(data = kmalloc(sizeof(struct w83l785ts_data), GFP_KERNEL))) { + if (!(data = kzalloc(sizeof(struct w83l785ts_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - memset(data, 0, sizeof(struct w83l785ts_data)); - /* The common I2C client data is placed right before the * W83L785TS-specific data. */ @@ -228,7 +224,7 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind) init_MUTEX(&data->update_lock); /* Default values in case the first read fails (unlikely). */ - data->temp_over = data->temp = 0; + data->temp[1] = data->temp[0] = 0; /* Tell the I2C layer a new client has arrived. */ if ((err = i2c_attach_client(new_client))) @@ -246,8 +242,10 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind) goto exit_detach; } - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_temp1_max); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_max.dev_attr); return 0; @@ -305,10 +303,10 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev) if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) { dev_dbg(&client->dev, "Updating w83l785ts data.\n"); - data->temp = w83l785ts_read_value(client, - W83L785TS_REG_TEMP, data->temp); - data->temp_over = w83l785ts_read_value(client, - W83L785TS_REG_TEMP_OVER, data->temp_over); + data->temp[0] = w83l785ts_read_value(client, + W83L785TS_REG_TEMP, data->temp[0]); + data->temp[1] = w83l785ts_read_value(client, + W83L785TS_REG_TEMP_OVER, data->temp[1]); data->last_updated = jiffies; data->valid = 1; |
