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i2c: uniphier: reword according to newest specification

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Change the wording of this driver wrt. the newest I2C v7 and SMBus 3.2
specifications and replace "master/slave" with more appropriate terms.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
This commit is contained in:
Wolfram Sang 2024-07-06 13:20:54 +02:00 committed by Andi Shyti
parent f872d28500
commit e02ec4e15a
1 changed files with 7 additions and 8 deletions
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15
drivers/i2c/busses/i2c-uniphier.c
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@ -17,13 +17,13 @@
#define UNIPHIER_I2C_DTRM_NACK BIT(8) /* do not return ACK */
#define UNIPHIER_I2C_DTRM_RD BIT(0) /* read transaction */
#define UNIPHIER_I2C_DREC 0x04 /* RX register */
#define UNIPHIER_I2C_DREC_MST BIT(14) /* 1 = master, 0 = slave */
#define UNIPHIER_I2C_DREC_MST BIT(14) /* 1 = controller, 0 = target */
#define UNIPHIER_I2C_DREC_TX BIT(13) /* 1 = transmit, 0 = receive */
#define UNIPHIER_I2C_DREC_STS BIT(12) /* stop condition detected */
#define UNIPHIER_I2C_DREC_LRB BIT(11) /* no ACK */
#define UNIPHIER_I2C_DREC_LAB BIT(9) /* arbitration lost */
#define UNIPHIER_I2C_DREC_BBN BIT(8) /* bus not busy */
#define UNIPHIER_I2C_MYAD 0x08 /* slave address */
#define UNIPHIER_I2C_MYAD 0x08 /* local target address */
#define UNIPHIER_I2C_CLK 0x0c /* clock frequency control */
#define UNIPHIER_I2C_BRST 0x10 /* bus reset */
#define UNIPHIER_I2C_BRST_FOEN BIT(1) /* normal operation */
@ -152,8 +152,8 @@ static int uniphier_i2c_stop(struct i2c_adapter *adap)
UNIPHIER_I2C_DTRM_NACK);
}
static int uniphier_i2c_master_xfer_one(struct i2c_adapter *adap,
struct i2c_msg *msg, bool stop)
static int uniphier_i2c_xfer_one(struct i2c_adapter *adap,
struct i2c_msg *msg, bool stop)
{
bool is_read = msg->flags & I2C_M_RD;
bool recovery = false;
@ -211,8 +211,7 @@ static int uniphier_i2c_check_bus_busy(struct i2c_adapter *adap)
return 0;
}
static int uniphier_i2c_master_xfer(struct i2c_adapter *adap,
struct i2c_msg *msgs, int num)
static int uniphier_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
{
struct i2c_msg *msg, *emsg = msgs + num;
int ret;
@ -225,7 +224,7 @@ static int uniphier_i2c_master_xfer(struct i2c_adapter *adap,
/* Emit STOP if it is the last message or I2C_M_STOP is set. */
bool stop = (msg + 1 == emsg) || (msg->flags & I2C_M_STOP);
ret = uniphier_i2c_master_xfer_one(adap, msg, stop);
ret = uniphier_i2c_xfer_one(adap, msg, stop);
if (ret)
return ret;
}
@ -239,7 +238,7 @@ static u32 uniphier_i2c_functionality(struct i2c_adapter *adap)
}
static const struct i2c_algorithm uniphier_i2c_algo = {
.master_xfer = uniphier_i2c_master_xfer,
.xfer = uniphier_i2c_xfer,
.functionality = uniphier_i2c_functionality,
};