linux-kernel - Re: [PATCH 47/64] i2c: rk3x: reword according to newest specification

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Message-ID: <13914065.RDIVbhacDa@diego>
Date: Fri, 22 Mar 2024 14:51:00 +0100
From: Heiko Stübner <heiko@...ech.de>
To: linux-i2c@...r.kernel.org, Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: Wolfram Sang <wsa+renesas@...g-engineering.com>,
 Andi Shyti <andi.shyti@...nel.org>, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 47/64] i2c: rk3x: reword according to newest specification

Am Freitag, 22. März 2024, 14:25:40 CET schrieb Wolfram Sang:
> Match the wording of this driver wrt. the newest I2C v7, SMBus 3.2, I3C
> specifications and replace "master/slave" with more appropriate terms.
> They are also more specific because we distinguish now between a remote
> entity ("client") and a local one ("target").
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Reviewed-by: Heiko Stuebner <heiko@...ech.de>

> ---
>  drivers/i2c/busses/i2c-rk3x.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> index 086fdf262e7b..01febd886bdd 100644
> --- a/drivers/i2c/busses/i2c-rk3x.c
> +++ b/drivers/i2c/busses/i2c-rk3x.c
> @@ -28,8 +28,8 @@
>  /* Register Map */
>  #define REG_CON        0x00 /* control register */
>  #define REG_CLKDIV     0x04 /* clock divisor register */
> -#define REG_MRXADDR    0x08 /* slave address for REGISTER_TX */
> -#define REG_MRXRADDR   0x0c /* slave register address for REGISTER_TX */
> +#define REG_MRXADDR    0x08 /* client address for REGISTER_TX */
> +#define REG_MRXRADDR   0x0c /* client register address for REGISTER_TX */
>  #define REG_MTXCNT     0x10 /* number of bytes to be transmitted */
>  #define REG_MRXCNT     0x14 /* number of bytes to be received */
>  #define REG_IEN        0x18 /* interrupt enable */
> @@ -68,8 +68,8 @@ enum {
>  /* REG_IEN/REG_IPD bits */
>  #define REG_INT_BTF       BIT(0) /* a byte was transmitted */
>  #define REG_INT_BRF       BIT(1) /* a byte was received */
> -#define REG_INT_MBTF      BIT(2) /* master data transmit finished */
> -#define REG_INT_MBRF      BIT(3) /* master data receive finished */
> +#define REG_INT_MBTF      BIT(2) /* host data transmit finished */
> +#define REG_INT_MBRF      BIT(3) /* host data receive finished */
>  #define REG_INT_START     BIT(4) /* START condition generated */
>  #define REG_INT_STOP      BIT(5) /* STOP condition generated */
>  #define REG_INT_NAKRCV    BIT(6) /* NACK received */
> @@ -184,7 +184,7 @@ struct rk3x_i2c_soc_data {
>   * @wait: the waitqueue to wait for i2c transfer
>   * @busy: the condition for the event to wait for
>   * @msg: current i2c message
> - * @addr: addr of i2c slave device
> + * @addr: addr of i2c client device
>   * @mode: mode of i2c transfer
>   * @is_last_msg: flag determines whether it is the last msg in this transfer
>   * @state: state of i2c transfer
> @@ -979,7 +979,7 @@ static int rk3x_i2c_setup(struct rk3x_i2c *i2c, struct i2c_msg *msgs, int num)
>  	/*
>  	 * The I2C adapter can issue a small (len < 4) write packet before
>  	 * reading. This speeds up SMBus-style register reads.
> -	 * The MRXADDR/MRXRADDR hold the slave address and the slave register
> +	 * The MRXADDR/MRXRADDR hold the client address and the client register
>  	 * address in this case.
>  	 */
>  
> @@ -1016,7 +1016,7 @@ static int rk3x_i2c_setup(struct rk3x_i2c *i2c, struct i2c_msg *msgs, int num)
>  			addr |= 1; /* set read bit */
>  
>  			/*
> -			 * We have to transmit the slave addr first. Use
> +			 * We have to transmit the client addr first. Use
>  			 * MOD_REGISTER_TX for that purpose.
>  			 */
>  			i2c->mode = REG_CON_MOD_REGISTER_TX;
> @@ -1162,8 +1162,8 @@ static u32 rk3x_i2c_func(struct i2c_adapter *adap)
>  }
>  
>  static const struct i2c_algorithm rk3x_i2c_algorithm = {
> -	.master_xfer		= rk3x_i2c_xfer,
> -	.master_xfer_atomic	= rk3x_i2c_xfer_polling,
> +	.xfer		= rk3x_i2c_xfer,
> +	.xfer_atomic	= rk3x_i2c_xfer_polling,
>  	.functionality		= rk3x_i2c_func,
>  };
>  
>