On 11/24/2016 1:15 PM, Stefan Wahren wrote:
> Hi John,
>
>> John Youn <johnyoun@xxxxxxxxxxxx> hat am 18. Oktober 2016 um 02:36
>> geschrieben:
>>
>>
>> This reverts commit aa381a7259c3 ("usb: dwc2: gadget: fix TX FIFO size
>> and address initialization").
>>
>> The original commit removed the FIFO size programming per endpoint. The
>> DPTXFSIZn register is also used for DIEPTXFn and the SIZE field is r/w
>> in dedicated fifo mode. So it isn't appropriate to simply remove this
>> initialization as it might break existing behavior.
>>
>> Also, some cores might not have enough fifo space to handle the
>> programming method used in the reverted patch, resulting in fifo
>> initialization failure.
>
> since the original patch is still necessary for bcm2835 gadget support i want to
> know if there is an alternative solution?
>
> Stefan
>
Hi Stefan,
We are working on a solution to have the driver initialize the FIFOs
more intelligently as the default behavior so it should never fail.
Regards,
John
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