Hi Felipe,
On 6/4/2017 11:08 PM, Felipe Balbi wrote:
> Paul Zimmerman <pauldzim@xxxxxxxxx> writes:
>> Forgot to CC linux-usb, doing that now
>>
>> On Fri, 2 Jun 2017 16:27:56 -0700, Paul Zimmerman <pauldzim@xxxxxxxxx> wrote:
>>
>>> Felipe Balbi <balbi@xxxxxxxxxx> writes:
>>>> Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> writes:
>>>>>>>>> this could be, I don't remember if I checked this or not :-)
>>>>>>>>>
>>>>>>>>> Really, the best way here, IMHO, would be to re-verify what's going on
>>>>>>>>> with macOS and revert my orignal patch since it's, rather clearly,
>>>>>>>>> wrong.
>>>>>>>>>
>>>>>>>>
>>>>>>>> Sure. Are you going to make a revert patch or I am?
>>>>>>>
>>>>>>> Well, after we really know what's going on with macOS and have a better
>>>>>>> fix, then who makes the revert is less important as long as problems get
>>>>>>> sorted out :-) Either way is fine for me.
>>>>>>>
>>>>>>
>>>>>> Do you have any update on this issue?
>>>>>>
>>>>>
>>>>> The patch ffb80fc672c3 ("usb: dwc3: gadget: skip Set/Clear Halt when
>>>>> invalid") still causes a regression for us. As there hasn't any update
>>>>> for the macOS issue, can I submit a revert patch for this?
>>>>
>>>> I just came back from vacations ;-) I'll get back to this. Reverting
>>>> that commit won't do any good as we'd be exchanging one regression for
>>>> another. We really need to understand what's going on.
>>>
>>> Hi Felipe,
>>>
>>> I think we worked around this same issue in the Synopsys vendor driver
>>> after a customer reported a problem with CLEAR_FEATURE(ENDPOINT_HALT).
>>> I no longer have access to either the databook or the codebase, so I
>>> can't be sure about what the workaround was, but if either John or Thinh
>>> can have a look at the Clear Stall code in the vendor driver they should
>>> be able to figure it out.
>
> Thanks a lot Paul :-) Good to see you still have a look here every once
> in a while :-)
>
> John, Thinh could either of you check what Paul mentions here?
>
> cheers
>
Can you provide more detail on the issue you see on MAC OS? and how to
reproduce the issue?
Thanks,
Thinh
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