RE: [PATCH v1 2/2] usb:cdns3 Add Cadence USB3 DRD Driver

[Pawel Laszczak]

Hi,

>
>On 12/12/18 12:22 PM, Felipe Balbi wrote:
>>
>> Hi
>>
>> Pawel Laszczak <pawell@xxxxxxxxxxx> writes:
>>>>> +	cdns->phy = devm_phy_get(dev, "cdns3,usbphy");
>>>>> +	if (IS_ERR(cdns->phy)) {
>>>>> +		ret = PTR_ERR(cdns->phy);
>>>>> +		if (ret == -ENOSYS || ret == -ENODEV) {
>>>>
>>>> Are you sure you can get ENOSYS here? Have you checked output of
>>>> checkpatch --strict?
>>>> -:852: WARNING: ENOSYS means 'invalid syscall nr' and nothing else
>>>
>>> Yes this error code can be returned by related to phy function if
>>> CONFIG_GENERIC_PHY is disabled.
>>>
>>> I have seen this warning in output of checkpatch --strict .
>>
>> Kishon, seems like you shouldn't be using that error value.
>
>hmm, yeah should change the return value to -ENODEV when GENERIC_PHY is disabled.
>

So I will remove this ENOSYS from next patch. I assume that it will be removed also from generic phy driver. 

Thanks,
Pawel