[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

[Ran Wang]

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.
> 
> Regards,
> Bin

BR
Ran
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