Re: [PATCH v3 4/4] i2c: jz4780: Use dev_err_probe()

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On Fri, Aug 23, 2024 at 11:51:16AM +0800, Rong Qianfeng wrote:
> No more special handling needed here, so use dev_err_probe()
> to simplify the code.

Ah, okay. But see below.

...

>  	ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency",
>  				   &clk_freq);
> -	if (ret) {
> -		dev_err(&pdev->dev, "clock-frequency not specified in DT\n");
> -		return ret;
> -	}
> +	if (ret)
> +		return dev_err_probe(&pdev->dev, ret,
> +					"clock-frequency not specified in DT\n");

Besides converting to the i2c_timings and respective APIs...

>  	i2c->speed = clk_freq / 1000;
> -	if (i2c->speed == 0) {
> -		ret = -EINVAL;
> -		dev_err(&pdev->dev, "clock-frequency minimum is 1000\n");
> -		return ret;
> -	}
> +	if (i2c->speed == 0)
> +		return dev_err_probe(&pdev->dev, -EINVAL,
> +					"clock-frequency minimum is 1000\n");

...this makes sense to do with

	struct device *dev = &pdev->dev;
	...
		return dev_err_probe(dev, ...);

And continue with a patch to replace all those &pdev->dev with dev.

-- 
With Best Regards,
Andy Shevchenko






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