[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 Wed, Jul 26, 2017 at 11:30 AM, Ran Wang <ran.wang_1 at nxp.com> wrote:
> Hi Bin
>> -----Original Message-----
>> From: Bin Meng [mailto:bmeng.cn at gmail.com]
>> Sent: Tuesday, July 25, 2017 8:22 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; Xiaobo Xie <xiaobo.xie at nxp.com>
>> 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,
>>
>> 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.
>
> I don't know where to add -DDEBUG in U-Boot Makefile, could you show me?
>
> Anyway I've added DEBUG in file include/common.h and got some verbose log
> for you (seems not much in error point), pls see attached. Any further suggestion
> are welcome.

Thanks for the log. Can you try to do the same testing on
u-boot-x86/xhci-wip branch to see if makes any difference? If no,
please send the DEBUG log as well.

Regards,
Bin