Re: [PATCH v15 4/9] usb: dwc3: core: Refactor PHY logic to support Multiport Controller

[Johan Hovold <johan@kernel.org>]

On Fri, Feb 16, 2024 at 06:27:51AM +0530, Krishna Kurapati wrote:

> @@ -1398,22 +1464,36 @@ static int dwc3_core_get_phy(struct dwc3 *dwc)
>  			return dev_err_probe(dev, ret, "no usb3 phy configured\n");
>  	}
>  
> -	dwc->usb2_generic_phy = devm_phy_get(dev, "usb2-phy");
> -	if (IS_ERR(dwc->usb2_generic_phy)) {
> -		ret = PTR_ERR(dwc->usb2_generic_phy);
> -		if (ret == -ENOSYS || ret == -ENODEV)
> -			dwc->usb2_generic_phy = NULL;
> +	for (i = 0; i < dwc->num_usb2_ports; i++) {
> +		if (dwc->num_usb2_ports == 1)
> +			sprintf(phy_name, "usb2-phy");
>  		else
> -			return dev_err_probe(dev, ret, "no usb2 phy configured\n");
> -	}
> +			sprintf(phy_name, "usb2-%d", i);
> +
> +		dwc->usb2_generic_phy[i] = devm_phy_get(dev, phy_name);
> +		if (IS_ERR(dwc->usb2_generic_phy[i])) {
> +			ret = PTR_ERR(dwc->usb2_generic_phy[i]);
> +			if (ret == -ENOSYS || ret == -ENODEV)
> +				dwc->usb2_generic_phy[i] = NULL;
> +			else
> +				return dev_err_probe(dev, ret,
> +						"failed to lookup phy %s\n", phy_name);

Please move the format string to the previous line as I already asked
you to do (e.g. as continuation lines should be substantially shorter).

> +		}
>  
> -	dwc->usb3_generic_phy = devm_phy_get(dev, "usb3-phy");
> -	if (IS_ERR(dwc->usb3_generic_phy)) {
> -		ret = PTR_ERR(dwc->usb3_generic_phy);
> -		if (ret == -ENOSYS || ret == -ENODEV)
> -			dwc->usb3_generic_phy = NULL;
> +		if (dwc->num_usb2_ports == 1)
> +			sprintf(phy_name, "usb3-phy");
>  		else
> -			return dev_err_probe(dev, ret, "no usb3 phy configured\n");
> +			sprintf(phy_name, "usb3-%d", i);
> +
> +		dwc->usb3_generic_phy[i] = devm_phy_get(dev, phy_name);
> +		if (IS_ERR(dwc->usb3_generic_phy[i])) {
> +			ret = PTR_ERR(dwc->usb3_generic_phy[i]);
> +			if (ret == -ENOSYS || ret == -ENODEV)
> +				dwc->usb3_generic_phy[i] = NULL;
> +			else
> +				return dev_err_probe(dev, ret,
> +						"failed to lookup phy %s\n", phy_name);

Same here.

> +		}
>  	}
>  
>  	return 0;

Johan