The forward declaration is not needed anymore. The sentence about "following structs" became obsolete when struct i2c_algorithm became a kdoc. The paragraph about return values can go because we have this information in kdoc already. Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> --- include/linux/i2c.h | 6 ------ 1 file changed, 6 deletions(-) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index e9cc14b1f9a1..1e34b486f604 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -30,7 +30,6 @@ extern const struct device_type i2c_client_type; /* --- General options ------------------------------------------------ */ struct i2c_msg; -struct i2c_algorithm; struct i2c_adapter; struct i2c_client; struct i2c_driver; @@ -533,8 +532,6 @@ i2c_register_board_info(int busnum, struct i2c_board_info const *info, * @reg_slave: deprecated, use @reg_target * @unreg_slave: deprecated, use @unreg_target * - * - * The following structs are for those who like to implement new bus drivers: * i2c_algorithm is the interface to a class of hardware solutions which can * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584 * to name two of the most common. @@ -550,9 +547,6 @@ struct i2c_algorithm { * to NULL. If an adapter algorithm can do SMBus access, set * smbus_xfer. If set to NULL, the SMBus protocol is simulated * using common I2C messages. - * - * xfer should return the number of messages successfully - * processed, or a negative value on error */ union { int (*xfer)(struct i2c_adapter *adap, struct i2c_msg *msgs, -- 2.43.0