i2c: busses: i2c-pnx: Provide descriptions for 'alg_data' data structure

Fixes the following W=1 kernel build warning(s):

 drivers/i2c/busses/i2c-pnx.c:147: warning: Function parameter or member 'alg_data' not described in 'i2c_pnx_start'
 drivers/i2c/busses/i2c-pnx.c:147: warning: Excess function parameter 'adap' description in 'i2c_pnx_start'
 drivers/i2c/busses/i2c-pnx.c:202: warning: Function parameter or member 'alg_data' not described in 'i2c_pnx_stop'
 drivers/i2c/busses/i2c-pnx.c:202: warning: Excess function parameter 'adap' description in 'i2c_pnx_stop'
 drivers/i2c/busses/i2c-pnx.c:231: warning: Function parameter or member 'alg_data' not described in 'i2c_pnx_master_xmit'
 drivers/i2c/busses/i2c-pnx.c:231: warning: Excess function parameter 'adap' description in 'i2c_pnx_master_xmit'
 drivers/i2c/busses/i2c-pnx.c:301: warning: Function parameter or member 'alg_data' not described in 'i2c_pnx_master_rcv'
 drivers/i2c/busses/i2c-pnx.c:301: warning: Excess function parameter 'adap' description in 'i2c_pnx_master_rcv'

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

Author: Lee Jones

drivers/i2c/busses/i2c-pnx.c

@@ -138,7 +138,7 @@ static inline void i2c_pnx_arm_timer(struct i2c_pnx_algo_data *alg_data)
 /**
  * i2c_pnx_start - start a device
  * @slave_addr:		slave address
- * @adap:		pointer to adapter structure
+ * @alg_data:		pointer to local driver data structure
  *
  * Generate a START signal in the desired mode.
  */
@@ -194,7 +194,7 @@ static int i2c_pnx_start(unsigned char slave_addr,
 
 /**
  * i2c_pnx_stop - stop a device
- * @adap:		pointer to I2C adapter structure
+ * @alg_data:		pointer to local driver data structure
  *
  * Generate a STOP signal to terminate the master transaction.
  */
@@ -223,7 +223,7 @@ static void i2c_pnx_stop(struct i2c_pnx_algo_data *alg_data)
 
 /**
  * i2c_pnx_master_xmit - transmit data to slave
- * @adap:		pointer to I2C adapter structure
+ * @alg_data:		pointer to local driver data structure
  *
  * Sends one byte of data to the slave
  */
@@ -293,7 +293,7 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data)
 
 /**
  * i2c_pnx_master_rcv - receive data from slave
- * @adap:		pointer to I2C adapter structure
+ * @alg_data:		pointer to local driver data structure
  *
  * Reads one byte data from the slave
  */