linux-kernel - Re: [PATCH 37/64] i2c: mt7621: reword according to newest specification

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Date: Mon, 25 Mar 2024 09:07:43 +0100
From: Stefan Roese <sr@...x.de>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>, linux-i2c@...r.kernel.org
Cc: Andi Shyti <andi.shyti@...nel.org>,
 Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 37/64] i2c: mt7621: reword according to newest
 specification

On 3/22/24 14:25, Wolfram Sang wrote:
> 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: Stefan Roese <sr@...x.de>

Thanks,
Stefan

> ---
>   drivers/i2c/busses/i2c-mt7621.c | 22 +++++++++++-----------
>   1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c
> index 81d46169bc1f..c567a2cf4a90 100644
> --- a/drivers/i2c/busses/i2c-mt7621.c
> +++ b/drivers/i2c/busses/i2c-mt7621.c
> @@ -117,26 +117,26 @@ static int mtk_i2c_check_ack(struct mtk_i2c *i2c, u32 expected)
>   	return ((ack & ack_expected) == ack_expected) ? 0 : -ENXIO;
>   }
>   
> -static int mtk_i2c_master_start(struct mtk_i2c *i2c)
> +static int mtk_i2c_host_start(struct mtk_i2c *i2c)
>   {
>   	iowrite32(SM0CTL1_START | SM0CTL1_TRI, i2c->base + REG_SM0CTL1_REG);
>   	return mtk_i2c_wait_idle(i2c);
>   }
>   
> -static int mtk_i2c_master_stop(struct mtk_i2c *i2c)
> +static int mtk_i2c_host_stop(struct mtk_i2c *i2c)
>   {
>   	iowrite32(SM0CTL1_STOP | SM0CTL1_TRI, i2c->base + REG_SM0CTL1_REG);
>   	return mtk_i2c_wait_idle(i2c);
>   }
>   
> -static int mtk_i2c_master_cmd(struct mtk_i2c *i2c, u32 cmd, int page_len)
> +static int mtk_i2c_host_cmd(struct mtk_i2c *i2c, u32 cmd, int page_len)
>   {
>   	iowrite32(cmd | SM0CTL1_TRI | SM0CTL1_PGLEN(page_len),
>   		  i2c->base + REG_SM0CTL1_REG);
>   	return mtk_i2c_wait_idle(i2c);
>   }
>   
> -static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
> +static int mtk_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
>   			       int num)
>   {
>   	struct mtk_i2c *i2c;
> @@ -157,7 +157,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
>   			goto err_timeout;
>   
>   		/* start sequence */
> -		ret = mtk_i2c_master_start(i2c);
> +		ret = mtk_i2c_host_start(i2c);
>   		if (ret)
>   			goto err_timeout;
>   
> @@ -169,14 +169,14 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
>   			if (pmsg->flags & I2C_M_RD)
>   				addr |= 1;
>   			iowrite32(addr, i2c->base + REG_SM0D0_REG);
> -			ret = mtk_i2c_master_cmd(i2c, SM0CTL1_WRITE, 2);
> +			ret = mtk_i2c_host_cmd(i2c, SM0CTL1_WRITE, 2);
>   			if (ret)
>   				goto err_timeout;
>   		} else {
>   			/* 7 bits address */
>   			addr = i2c_8bit_addr_from_msg(pmsg);
>   			iowrite32(addr, i2c->base + REG_SM0D0_REG);
> -			ret = mtk_i2c_master_cmd(i2c, SM0CTL1_WRITE, 1);
> +			ret = mtk_i2c_host_cmd(i2c, SM0CTL1_WRITE, 1);
>   			if (ret)
>   				goto err_timeout;
>   		}
> @@ -202,7 +202,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
>   				cmd = SM0CTL1_WRITE;
>   			}
>   
> -			ret = mtk_i2c_master_cmd(i2c, cmd, page_len);
> +			ret = mtk_i2c_host_cmd(i2c, cmd, page_len);
>   			if (ret)
>   				goto err_timeout;
>   
> @@ -222,7 +222,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
>   		}
>   	}
>   
> -	ret = mtk_i2c_master_stop(i2c);
> +	ret = mtk_i2c_host_stop(i2c);
>   	if (ret)
>   		goto err_timeout;
>   
> @@ -230,7 +230,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
>   	return i;
>   
>   err_ack:
> -	ret = mtk_i2c_master_stop(i2c);
> +	ret = mtk_i2c_host_stop(i2c);
>   	if (ret)
>   		goto err_timeout;
>   	return -ENXIO;
> @@ -247,7 +247,7 @@ static u32 mtk_i2c_func(struct i2c_adapter *a)
>   }
>   
>   static const struct i2c_algorithm mtk_i2c_algo = {
> -	.master_xfer	= mtk_i2c_master_xfer,
> +	.xfer	= mtk_i2c_xfer,
>   	.functionality	= mtk_i2c_func,
>   };
>   

Viele Grüße,
Stefan Roese

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