diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/chips/eeprom.c | 32 | ||||
| -rw-r--r-- | drivers/i2c/chips/max6875.c | 4 | ||||
| -rw-r--r-- | drivers/i2c/chips/pca9539.c | 25 | ||||
| -rw-r--r-- | drivers/i2c/chips/pcf8574.c | 23 | ||||
| -rw-r--r-- | drivers/i2c/chips/pcf8591.c | 31 |
5 files changed, 54 insertions, 61 deletions
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c index e22ec3b3aedf..373ea8d8fe8f 100644 --- a/drivers/i2c/chips/eeprom.c +++ b/drivers/i2c/chips/eeprom.c @@ -158,7 +158,7 @@ static int eeprom_attach_adapter(struct i2c_adapter *adapter) /* This function is called by i2c_probe */ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind) { - struct i2c_client *new_client; + struct i2c_client *client; struct eeprom_data *data; int err = 0; @@ -184,22 +184,20 @@ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind) goto exit; } - new_client = &data->client; + client = &data->client; memset(data->data, 0xff, EEPROM_SIZE); - i2c_set_clientdata(new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &eeprom_driver; - new_client->flags = 0; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &eeprom_driver; /* Fill in the remaining client fields */ - strlcpy(new_client->name, "eeprom", I2C_NAME_SIZE); - data->valid = 0; + strlcpy(client->name, "eeprom", I2C_NAME_SIZE); mutex_init(&data->update_lock); data->nature = UNKNOWN; /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) + if ((err = i2c_attach_client(client))) goto exit_kfree; /* Detect the Vaio nature of EEPROMs. @@ -208,27 +206,27 @@ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind) && i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA)) { char name[4]; - name[0] = i2c_smbus_read_byte_data(new_client, 0x80); - name[1] = i2c_smbus_read_byte_data(new_client, 0x81); - name[2] = i2c_smbus_read_byte_data(new_client, 0x82); - name[3] = i2c_smbus_read_byte_data(new_client, 0x83); + name[0] = i2c_smbus_read_byte_data(client, 0x80); + name[1] = i2c_smbus_read_byte_data(client, 0x81); + name[2] = i2c_smbus_read_byte_data(client, 0x82); + name[3] = i2c_smbus_read_byte_data(client, 0x83); if (!memcmp(name, "PCG-", 4) || !memcmp(name, "VGN-", 4)) { - dev_info(&new_client->dev, "Vaio EEPROM detected, " + dev_info(&client->dev, "Vaio EEPROM detected, " "enabling privacy protection\n"); data->nature = VAIO; } } /* create the sysfs eeprom file */ - err = sysfs_create_bin_file(&new_client->dev.kobj, &eeprom_attr); + err = sysfs_create_bin_file(&client->dev.kobj, &eeprom_attr); if (err) goto exit_detach; return 0; exit_detach: - i2c_detach_client(new_client); + i2c_detach_client(client); exit_kfree: kfree(data); exit: diff --git a/drivers/i2c/chips/max6875.c b/drivers/i2c/chips/max6875.c index cf507b3f60f3..5a0285d8b6f9 100644 --- a/drivers/i2c/chips/max6875.c +++ b/drivers/i2c/chips/max6875.c @@ -170,7 +170,7 @@ static int max6875_detect(struct i2c_adapter *adapter, int address, int kind) struct i2c_client *real_client; struct i2c_client *fake_client; struct max6875_data *data; - int err = 0; + int err; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_BYTE_DATA | I2C_FUNC_SMBUS_READ_BYTE)) @@ -195,7 +195,6 @@ static int max6875_detect(struct i2c_adapter *adapter, int address, int kind) real_client->addr = address; real_client->adapter = adapter; real_client->driver = &max6875_driver; - real_client->flags = 0; strlcpy(real_client->name, "max6875", I2C_NAME_SIZE); mutex_init(&data->update_lock); @@ -204,7 +203,6 @@ static int max6875_detect(struct i2c_adapter *adapter, int address, int kind) fake_client->addr = address | 1; fake_client->adapter = adapter; fake_client->driver = &max6875_driver; - fake_client->flags = 0; strlcpy(fake_client->name, "max6875 subclient", I2C_NAME_SIZE); if ((err = i2c_attach_client(real_client)) != 0) diff --git a/drivers/i2c/chips/pca9539.c b/drivers/i2c/chips/pca9539.c index f43c4e79b55e..58ab7f26be26 100644 --- a/drivers/i2c/chips/pca9539.c +++ b/drivers/i2c/chips/pca9539.c @@ -113,7 +113,7 @@ static int pca9539_attach_adapter(struct i2c_adapter *adapter) /* This function is called by i2c_probe */ static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind) { - struct i2c_client *new_client; + struct i2c_client *client; struct pca9539_data *data; int err = 0; @@ -127,29 +127,28 @@ static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind) goto exit; } - new_client = &data->client; - i2c_set_clientdata(new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &pca9539_driver; - new_client->flags = 0; + client = &data->client; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &pca9539_driver; if (kind < 0) { /* Detection: the pca9539 only has 8 registers (0-7). A read of 7 should succeed, but a read of 8 should fail. */ - if ((i2c_smbus_read_byte_data(new_client, 7) < 0) || - (i2c_smbus_read_byte_data(new_client, 8) >= 0)) + if ((i2c_smbus_read_byte_data(client, 7) < 0) || + (i2c_smbus_read_byte_data(client, 8) >= 0)) goto exit_kfree; } - strlcpy(new_client->name, "pca9539", I2C_NAME_SIZE); + strlcpy(client->name, "pca9539", I2C_NAME_SIZE); /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) + if ((err = i2c_attach_client(client))) goto exit_kfree; /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, + err = sysfs_create_group(&client->dev.kobj, &pca9539_defattr_group); if (err) goto exit_detach; @@ -157,7 +156,7 @@ static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind) return 0; exit_detach: - i2c_detach_client(new_client); + i2c_detach_client(client); exit_kfree: kfree(data); exit: diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c index ad2f7901a8c9..1b3db2b3ada9 100644 --- a/drivers/i2c/chips/pcf8574.c +++ b/drivers/i2c/chips/pcf8574.c @@ -127,7 +127,7 @@ static int pcf8574_attach_adapter(struct i2c_adapter *adapter) /* This function is called by i2c_probe */ static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind) { - struct i2c_client *new_client; + struct i2c_client *client; struct pcf8574_data *data; int err = 0; const char *client_name = ""; @@ -142,12 +142,11 @@ static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind) goto exit; } - new_client = &data->client; - i2c_set_clientdata(new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &pcf8574_driver; - new_client->flags = 0; + client = &data->client; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &pcf8574_driver; /* Now, we would do the remaining detection. But the PCF8574 is plainly impossible to detect! Stupid chip. */ @@ -166,23 +165,23 @@ static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind) client_name = "pcf8574"; /* Fill in the remaining client fields and put it into the global list */ - strlcpy(new_client->name, client_name, I2C_NAME_SIZE); + strlcpy(client->name, client_name, I2C_NAME_SIZE); /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) + if ((err = i2c_attach_client(client))) goto exit_free; /* Initialize the PCF8574 chip */ - pcf8574_init_client(new_client); + pcf8574_init_client(client); /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, &pcf8574_attr_group); + err = sysfs_create_group(&client->dev.kobj, &pcf8574_attr_group); if (err) goto exit_detach; return 0; exit_detach: - i2c_detach_client(new_client); + i2c_detach_client(client); exit_free: kfree(data); exit: diff --git a/drivers/i2c/chips/pcf8591.c b/drivers/i2c/chips/pcf8591.c index d3a24524817a..db735379f22f 100644 --- a/drivers/i2c/chips/pcf8591.c +++ b/drivers/i2c/chips/pcf8591.c @@ -188,7 +188,7 @@ static int pcf8591_attach_adapter(struct i2c_adapter *adapter) /* This function is called by i2c_probe */ static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind) { - struct i2c_client *new_client; + struct i2c_client *client; struct pcf8591_data *data; int err = 0; @@ -203,12 +203,11 @@ static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind) goto exit; } - new_client = &data->client; - i2c_set_clientdata(new_client, data); - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &pcf8591_driver; - new_client->flags = 0; + client = &data->client; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &pcf8591_driver; /* Now, we would do the remaining detection. But the PCF8591 is plainly impossible to detect! Stupid chip. */ @@ -219,31 +218,31 @@ static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind) /* Fill in the remaining client fields and put it into the global list */ - strlcpy(new_client->name, "pcf8591", I2C_NAME_SIZE); + strlcpy(client->name, "pcf8591", I2C_NAME_SIZE); mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) + if ((err = i2c_attach_client(client))) goto exit_kfree; /* Initialize the PCF8591 chip */ - pcf8591_init_client(new_client); + pcf8591_init_client(client); /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, &pcf8591_attr_group); + err = sysfs_create_group(&client->dev.kobj, &pcf8591_attr_group); if (err) goto exit_detach; /* Register input2 if not in "two differential inputs" mode */ if (input_mode != 3) { - if ((err = device_create_file(&new_client->dev, + if ((err = device_create_file(&client->dev, &dev_attr_in2_input))) goto exit_sysfs_remove; } /* Register input3 only in "four single ended inputs" mode */ if (input_mode == 0) { - if ((err = device_create_file(&new_client->dev, + if ((err = device_create_file(&client->dev, &dev_attr_in3_input))) goto exit_sysfs_remove; } @@ -251,10 +250,10 @@ static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind) return 0; exit_sysfs_remove: - sysfs_remove_group(&new_client->dev.kobj, &pcf8591_attr_group_opt); - sysfs_remove_group(&new_client->dev.kobj, &pcf8591_attr_group); + sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt); + sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group); exit_detach: - i2c_detach_client(new_client); + i2c_detach_client(client); exit_kfree: kfree(data); exit: |
