diff options
| -rw-r--r-- | drivers/i2c/i2c-slave-eeprom.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c index f868dfc362a6..787fdb7f332f 100644 --- a/drivers/i2c/i2c-slave-eeprom.c +++ b/drivers/i2c/i2c-slave-eeprom.c @@ -41,7 +41,7 @@ struct eeprom_data { #define I2C_SLAVE_BYTELEN GENMASK(15, 0) #define I2C_SLAVE_FLAG_ADDR16 BIT(16) #define I2C_SLAVE_FLAG_RO BIT(17) -#define I2C_SLAVE_DEVICE_MAGIC(_len, _flags) ((_flags) | (_len)) +#define I2C_SLAVE_DEVICE_MAGIC(_len, _flags) ((_flags) | ((_len) - 1)) static int i2c_slave_eeprom_slave_cb(struct i2c_client *client, enum i2c_slave_event event, u8 *val) @@ -145,7 +145,7 @@ static int i2c_slave_eeprom_probe(struct i2c_client *client, const struct i2c_de { struct eeprom_data *eeprom; int ret; - unsigned int size = FIELD_GET(I2C_SLAVE_BYTELEN, id->driver_data); + unsigned int size = FIELD_GET(I2C_SLAVE_BYTELEN, id->driver_data) + 1; unsigned int flag_addr16 = FIELD_GET(I2C_SLAVE_FLAG_ADDR16, id->driver_data); eeprom = devm_kzalloc(&client->dev, sizeof(struct eeprom_data) + size, GFP_KERNEL); @@ -200,6 +200,8 @@ static const struct i2c_device_id i2c_slave_eeprom_id[] = { { "slave-24c32ro", I2C_SLAVE_DEVICE_MAGIC(32768 / 8, I2C_SLAVE_FLAG_ADDR16 | I2C_SLAVE_FLAG_RO) }, { "slave-24c64", I2C_SLAVE_DEVICE_MAGIC(65536 / 8, I2C_SLAVE_FLAG_ADDR16) }, { "slave-24c64ro", I2C_SLAVE_DEVICE_MAGIC(65536 / 8, I2C_SLAVE_FLAG_ADDR16 | I2C_SLAVE_FLAG_RO) }, + { "slave-24c512", I2C_SLAVE_DEVICE_MAGIC(524288 / 8, I2C_SLAVE_FLAG_ADDR16) }, + { "slave-24c512ro", I2C_SLAVE_DEVICE_MAGIC(524288 / 8, I2C_SLAVE_FLAG_ADDR16 | I2C_SLAVE_FLAG_RO) }, { } }; MODULE_DEVICE_TABLE(i2c, i2c_slave_eeprom_id); |