Hi Felipe,
On 6/6/2017 11:52 AM, Thinh Nguyen wrote:
> On 6/4/2017 11:08 PM, Felipe Balbi wrote:
>> Paul Zimmerman <pauld...@gmail.com> writes:
>>> Forgot to CC linux-usb, doing that now
>>>
>>> On Fri, 2 Jun 2017 16:27:56 -0700, Paul Zimmerman <pauld...@gmail.com>
>>> wrote:
>>>
>>>> Felipe Balbi <ba...@kernel.org> writes:
>>>>> Thinh Nguyen <thinh.ngu...@synopsys.com> 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?
>
This issue has been a regression for us for a few months now, do you
have any update on this?
Thanks,
Thinh
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