Re: [PATCH v4 1/2] PCI: mediatek-gen3: Add support for setting max-link-speed limit

AngeloGioacchino Del Regno
2024-11-04T13:10:25Z

Il 04/11/24 14:06, Krzysztof Wilczyński ha scritto:
> Hello,
>
>> + if (err > 0) {
>
> You could drop > 0 here.
>

I have no strong opinions about that, would be fine for me.

>> + /* Get the maximum speed supported by the controller */
>> + max_speed = mtk_pcie_get_controller_max_link_speed(pcie);
>> +
>> + /* Set max_link_speed only if the controller supports it */
>> + if (max_speed >= 0 && max_speed <= err) {
>> + pcie->max_link_speed = err;
>> + dev_dbg(pcie->dev,
>> + "Max controller link speed Gen%d, override to Gen%u",
>> + max_speed, pcie->max_link_speed);
>> + }
>> + }
>
> I wonder if this debug message would be better served as a warning to let
> the user know that the speed has been overridden due to the platform
> limitation. Thoughts?
>
> Also, there is no need to sent a new series if you fine with the
> suggestions. I will mend the code on the branch when applying.
>

A warning seems to be a bit too much and would appear like something to worry
about (or something unintended)...

Perhaps a dev_info() would work better here?

Thanks,
Angelo

> Krzysztof