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Commit bd7784c2 authored by Jan Glauber's avatar Jan Glauber Committed by Wolfram Sang
Browse files

i2c: octeon: Cleanup kerneldoc comments 



Remove point after parameter description and replace kerneldoc
by a comment if it has no additional no value.

Signed-off-by: default avatarJan Glauber <jglauber@cavium.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 95026658

drivers/i2c/busses/i2c-octeon.c

+39 −50
Original line number Diff line number Diff line
@@ -73,10 +73,10 @@ struct octeon_i2c { 
};



/**

 * octeon_i2c_write_sw - write an I2C core register.

 * @i2c: The struct octeon_i2c.

 * @eop_reg: Register selector.

 * @data: Value to be written.

 * octeon_i2c_write_sw - write an I2C core register

 * @i2c: The struct octeon_i2c

 * @eop_reg: Register selector

 * @data: Value to be written

 *

 * The I2C core registers are accessed indirectly via the SW_TWSI CSR.

 */
@@ -93,9 +93,9 @@ static void octeon_i2c_write_sw(struct octeon_i2c *i2c, 
}



/**

 * octeon_i2c_read_sw - write an I2C core register.

 * @i2c: The struct octeon_i2c.

 * @eop_reg: Register selector.

 * octeon_i2c_read_sw - write an I2C core register

 * @i2c: The struct octeon_i2c

 * @eop_reg: Register selector

 *

 * Returns the data.

 *
@@ -115,8 +115,8 @@ static u8 octeon_i2c_read_sw(struct octeon_i2c *i2c, u64 eop_reg) 


/**

 * octeon_i2c_write_int - write the TWSI_INT register

 * @i2c: The struct octeon_i2c.

 * @data: Value to be written.

 * @i2c: The struct octeon_i2c

 * @data: Value to be written

 */

static void octeon_i2c_write_int(struct octeon_i2c *i2c, u64 data)

{
@@ -125,8 +125,8 @@ static void octeon_i2c_write_int(struct octeon_i2c *i2c, u64 data) 
}



/**

 * octeon_i2c_int_enable - enable the TS interrupt.

 * @i2c: The struct octeon_i2c.

 * octeon_i2c_int_enable - enable the CORE interrupt

 * @i2c: The struct octeon_i2c

 *

 * The interrupt will be asserted when there is non-STAT_IDLE state in

 * the SW_TWSI_EOP_TWSI_STAT register.
@@ -136,22 +136,18 @@ static void octeon_i2c_int_enable(struct octeon_i2c *i2c) 
	octeon_i2c_write_int(i2c, 0x40);

}



/**

 * octeon_i2c_int_disable - disable the TS interrupt.

 * @i2c: The struct octeon_i2c.

 */

/* disable the CORE interrupt */

static void octeon_i2c_int_disable(struct octeon_i2c *i2c)

{

	octeon_i2c_write_int(i2c, 0);

}



/**

 * octeon_i2c_unblock - unblock the bus.

 * @i2c: The struct octeon_i2c.

 * octeon_i2c_unblock - unblock the bus

 * @i2c: The struct octeon_i2c

 *

 * If there was a reset while a device was driving 0 to bus,

 * bus is blocked. We toggle it free manually by some clock

 * cycles and send a stop.

 * If there was a reset while a device was driving 0 to bus, bus is blocked.

 * We toggle it free manually by some clock cycles and send a stop.

 */

static void octeon_i2c_unblock(struct octeon_i2c *i2c)

{
@@ -171,11 +167,7 @@ static void octeon_i2c_unblock(struct octeon_i2c *i2c) 
	octeon_i2c_write_int(i2c, 0x0);

}



/**

 * octeon_i2c_isr - the interrupt service routine.

 * @int: The irq, unused.

 * @dev_id: Our struct octeon_i2c.

 */

/* interrupt service routine */

static irqreturn_t octeon_i2c_isr(int irq, void *dev_id)

{

	struct octeon_i2c *i2c = dev_id;
@@ -193,8 +185,8 @@ static int octeon_i2c_test_iflg(struct octeon_i2c *i2c) 
}



/**

 * octeon_i2c_wait - wait for the IFLG to be set.

 * @i2c: The struct octeon_i2c.

 * octeon_i2c_wait - wait for the IFLG to be set

 * @i2c: The struct octeon_i2c

 *

 * Returns 0 on success, otherwise a negative errno.

 */
@@ -219,8 +211,8 @@ static int octeon_i2c_wait(struct octeon_i2c *i2c) 
}



/**

 * octeon_i2c_start - send START to the bus.

 * @i2c: The struct octeon_i2c.

 * octeon_i2c_start - send START to the bus

 * @i2c: The struct octeon_i2c

 *

 * Returns 0 on success, otherwise a negative errno.

 */
@@ -260,8 +252,8 @@ static int octeon_i2c_start(struct octeon_i2c *i2c) 
}



/**

 * octeon_i2c_stop - send STOP to the bus.

 * @i2c: The struct octeon_i2c.

 * octeon_i2c_stop - send STOP to the bus

 * @i2c: The struct octeon_i2c

 *

 * Returns 0 on success, otherwise a negative errno.

 */
@@ -282,11 +274,11 @@ static int octeon_i2c_stop(struct octeon_i2c *i2c) 
}



/**

 * octeon_i2c_write - send data to the bus.

 * @i2c: The struct octeon_i2c.

 * @target: Target address.

 * @data: Pointer to the data to be sent.

 * @length: Length of the data.

 * octeon_i2c_write - send data to the bus via low-level controller

 * @i2c: The struct octeon_i2c

 * @target: Target address

 * @data: Pointer to the data to be sent

 * @length: Length of the data

 *

 * The address is sent over the bus, then the data.

 *
@@ -330,11 +322,11 @@ static int octeon_i2c_write(struct octeon_i2c *i2c, int target, 
}



/**

 * octeon_i2c_read - receive data from the bus.

 * @i2c: The struct octeon_i2c.

 * @target: Target address.

 * @data: Pointer to the location to store the datae .

 * @length: Length of the data.

 * octeon_i2c_read - receive data from the bus via low-level controller

 * @i2c: The struct octeon_i2c

 * @target: Target address

 * @data: Pointer to the location to store the data

 * @length: Length of the data

 *

 * The address is sent over the bus, then the data is read.

 *
@@ -386,13 +378,12 @@ static int octeon_i2c_read(struct octeon_i2c *i2c, int target, 
}



/**

 * octeon_i2c_xfer - The driver's master_xfer function.

 * @adap: Pointer to the i2c_adapter structure.

 * @msgs: Pointer to the messages to be processed.

 * @num: Length of the MSGS array.

 * octeon_i2c_xfer - The driver's master_xfer function

 * @adap: Pointer to the i2c_adapter structure

 * @msgs: Pointer to the messages to be processed

 * @num: Length of the MSGS array

 *

 * Returns the number of messages processed, or a negative errno on

 * failure.

 * Returns the number of messages processed, or a negative errno on failure.

 */

static int octeon_i2c_xfer(struct i2c_adapter *adap,

			   struct i2c_msg *msgs,
@@ -438,9 +429,7 @@ static struct i2c_adapter octeon_i2c_ops = { 
	.timeout = HZ / 50,

};



/**

 * octeon_i2c_setclock - Calculate and set clock divisors.

 */

/* calculate and set clock divisors */

static int octeon_i2c_setclock(struct octeon_i2c *i2c)

{

	int tclk, thp_base, inc, thp_idx, mdiv_idx, ndiv_idx, foscl, diff;