#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
#include <linux/hwmon.h>
#include <linux/err.h>
+#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
-SENSORS_INSMOD_2(gl518sm_r00, gl518sm_r80);
+I2C_CLIENT_INSMOD_2(gl518sm_r00, gl518sm_r80);
/* Many GL518 constants specified below */
struct class_device *class_dev;
enum chips type;
- struct semaphore update_lock;
+ struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
/* This is the driver that will be inserted */
static struct i2c_driver gl518_driver = {
- .owner = THIS_MODULE,
- .name = "gl518sm",
+ .driver = {
+ .name = "gl518sm",
+ },
.id = I2C_DRIVERID_GL518,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = gl518_attach_adapter,
.detach_client = gl518_detach_client,
};
struct gl518_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
- down(&data->update_lock); \
+ mutex_lock(&data->update_lock); \
data->value = type##_TO_REG(val); \
gl518_write_value(client, reg, data->value); \
- up(&data->update_lock); \
+ mutex_unlock(&data->update_lock); \
return count; \
}
int regvalue; \
unsigned long val = simple_strtoul(buf, NULL, 10); \
\
- down(&data->update_lock); \
+ mutex_lock(&data->update_lock); \
regvalue = gl518_read_value(client, reg); \
data->value = type##_TO_REG(val); \
regvalue = (regvalue & ~mask) | (data->value << shift); \
gl518_write_value(client, reg, regvalue); \
- up(&data->update_lock); \
+ mutex_unlock(&data->update_lock); \
return count; \
}
int regvalue;
unsigned long val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
data->fan_min[0] = FAN_TO_REG(val,
DIV_FROM_REG(data->fan_div[0]));
data->beep_mask &= data->alarm_mask;
gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
int regvalue;
unsigned long val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
data->fan_min[1] = FAN_TO_REG(val,
DIV_FROM_REG(data->fan_div[1]));
data->beep_mask &= data->alarm_mask;
gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
{
if (!(adapter->class & I2C_CLASS_HWMON))
return 0;
- return i2c_detect(adapter, &addr_data, gl518_detect);
+ return i2c_probe(adapter, &addr_data, gl518_detect);
}
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);
strlcpy(new_client->name, "gl518sm", I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
- init_MUTEX(&data->update_lock);
+ mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
hwmon_device_unregister(data->class_dev);
- if ((err = i2c_detach_client(client))) {
- dev_err(&client->dev, "Client deregistration failed, "
- "client not detached.\n");
+ if ((err = i2c_detach_client(client)))
return err;
- }
kfree(data);
return 0;
struct gl518_data *data = i2c_get_clientdata(client);
int val;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}