Hi Ran, On Tue, Jul 25, 2017 at 7:01 PM, Ran Wang <[email protected]> wrote: >> -----Original Message----- >> From: Bin Meng [mailto:[email protected]] >> Sent: Friday, July 21, 2017 8:29 PM >> To: Ran Wang <[email protected]> >> Cc: Marek Vasut <[email protected]>; Patrice Chotard <[email protected]>; >> Simon Glass <[email protected]>; Masahiro Yamada >> <[email protected]>; Jiafei Pan <[email protected]>; u- >> [email protected] >> 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 <[email protected]> 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 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot

