1. Interface attention unreg_slave
1.1 This interface is called Where is it?
In drivers / i2c / i2c-core-slave.c in
int i2c_slave_unregister(struct i2c_client *client)
{
int ret;
if (!client->adapter->algo->unreg_slave) { dev_err(&client->dev, "%s: not supported by adapter\n", __func__); return -EOPNOTSUPP; } i2c_lock_bus(client->adapter, I2C_LOCK_ROOT_ADAPTER); ret = client->adapter->algo->unreg_slave(client); i2c_unlock_bus(client->adapter, I2C_LOCK_ROOT_ADAPTER); if (ret == 0) client->slave_cb = NULL; else dev_err(&client->dev, "%s: adapter returned error %d\n", __func__, ret); Return the right;
}
So i2c_slave_unregister 1.2 is where it is called?
It is called in drivers / i2c / i2c-slave-eeprom.c in
static int i2c_slave_eeprom_remove(struct i2c_client *client) { struct eeprom_data *eeprom = i2c_get_clientdata(client); i2c_slave_unregister(client); sysfs_remove_bin_file(&client->dev.kobj, &eeprom->bin); return 0; }