[PATCH] i2c: mt65xx: convert set_speed function to void

[AngeloGioacchino Del Regno]

Il 25/09/25 23:05, Wolfram Sang ha scritto:
> cppcheck rightfully reports:
> drivers/i2c/busses/i2c-mt65xx.c:1464:6: warning: Condition 'ret' is always false [knownConditionTrueFalse]
> 
> Make the function void and simplify the code.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas at sang-engineering.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

> ---
>   drivers/i2c/busses/i2c-mt65xx.c | 11 ++---------
>   1 file changed, 2 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
> index dee40704825c..aefdbee1f03c 100644
> --- a/drivers/i2c/busses/i2c-mt65xx.c
> +++ b/drivers/i2c/busses/i2c-mt65xx.c
> @@ -868,7 +868,7 @@ static int mtk_i2c_calculate_speed(struct mtk_i2c *i2c, unsigned int clk_src,
>   	return 0;
>   }
>   
> -static int mtk_i2c_set_speed(struct mtk_i2c *i2c, unsigned int parent_clk)
> +static void mtk_i2c_set_speed(struct mtk_i2c *i2c, unsigned int parent_clk)
>   {
>   	unsigned int clk_src;
>   	unsigned int step_cnt;
> @@ -938,9 +938,6 @@ static int mtk_i2c_set_speed(struct mtk_i2c *i2c, unsigned int parent_clk)
>   
>   		break;
>   	}
> -
> -
> -	return 0;
>   }
>   
>   static void i2c_dump_register(struct mtk_i2c *i2c)
> @@ -1460,11 +1457,7 @@ static int mtk_i2c_probe(struct platform_device *pdev)
>   
>   	strscpy(i2c->adap.name, I2C_DRV_NAME, sizeof(i2c->adap.name));
>   
> -	ret = mtk_i2c_set_speed(i2c, clk_get_rate(i2c->clocks[speed_clk].clk));
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to set the speed.\n");
> -		return -EINVAL;
> -	}
> +	mtk_i2c_set_speed(i2c, clk_get_rate(i2c->clocks[speed_clk].clk));
>   
>   	if (i2c->dev_comp->max_dma_support > 32) {
>   		ret = dma_set_mask(&pdev->dev,