[U-Boot] Compile failure encountered on latest (2017-07-20) git://git.denx.de/u-boot-usb.git branch master for target ls1021atwr_nor_defconfig

[Bin Meng]

Hi Ran,

On Tue, Jul 25, 2017 at 7:01 PM, Ran Wang <ran.wang_1 at nxp.com> wrote:
>> -----Original Message-----
>> From: Bin Meng [mailto:bmeng.cn at gmail.com]
>> Sent: Friday, July 21, 2017 8:29 PM
>> To: Ran Wang <ran.wang_1 at nxp.com>
>> Cc: Marek Vasut <marex at denx.de>; Patrice Chotard <patrice.chotard at st.com>;
>> Simon Glass <sjg at chromium.org>; Masahiro Yamada
>> <yamada.masahiro at socionext.com>; Jiafei Pan <jiafei.pan at nxp.com>; u-
>> boot at lists.denx.de
>> Subject: Re: Compile failure encountered on latest (2017-07-20)
>> git://git.denx.de/u-boot-usb.git branch master for target
>> ls1021atwr_nor_defconfig
>>
>> Hi Ran,
> Hi Bin.
>>
>> On Thu, Jul 20, 2017 at 5:47 PM, Ran Wang <ran.wang_1 at nxp.com> wrote:
>> > Hi All,
>> >     Actually I just plan to try feature of support SS hub which just enabled this
>> yesterday on LS1021ATWR (I know need to enable DM_USB for 1021 first).
>>
>> Should the DM_USB enablement be this patch done by Alison?
>> https://patchwork.ozlabs.org/patch/785387/
>>
>> >     Per your knowledge, if I revert the patches I pasted in last mail,  the SS hub
>> support feature will be impacted or not?
>> >     Thanks.
>>
>> Note the SS hub support only exists in DM USB. If you revert the dwc3-xhci
>> patchset which converts dwc3 to DM USB, you will not get the SS hub support.
> Thanks for your information, I will re-check this impact with my board.
> Actually I have encountered enumeration random fail issue with an USB 3.0 thumb drive (Kingston DataTraveler 3.0) after SS hub
> Please see attached snapshot for details. Fail rate is about 9/30. Not sure it's relevant to SS hub patch or not yet.
>>

Can you enable the -DDEBUG and send me the log? From the last
attachment, the enumeration process already failed when getting device
descriptor. Any subsequent op leads to the final BUG/reset.

Regards,
Bin