Hi, On Thu, May 24, 2018 at 4:51 AM, DATACOM - Paulo.Zaneti <paulo.zan...@datacom.com.br> wrote: > > > On 23/05/2018 15:00, Marek Vasut wrote: >> >> On 05/23/2018 07:52 PM, DATACOM - Paulo.Zaneti wrote: >>> >>> >>> On 23/05/2018 14:43, Marek Vasut wrote: >>>> >>>> On 05/23/2018 07:37 PM, DATACOM - Paulo.Zaneti wrote: >>>>> >>>>> On 23/05/2018 14:03, Marek Vasut wrote: >>>>>> >>>>>> On 05/23/2018 07:00 PM, DATACOM - Paulo.Zaneti wrote: >>>>>>> >>>>>>> Hi, >>>>>> >>>>>> Hi, >>>>>> >>>>>>> When trying to migrate a board from u-boot version 2016.09 to version >>>>>>> 2018.03, I found a problem with a USB 2.0 device which used to work >>>>>>> on >>>>>>> version 2016.09. >>>>>> >>>>>> Does it still happen in u-boot/master ? >>>>> >>>>> Yes, it still happens. >>>>> >>>>> I just tested it with the following commit: >>>>> dca268a .travis.yml: Further optimizations >>>>>>> >>>>>>> In u-boot version 2016.09 the device appears like this: >>>>>>> >>>>>>> 2: Mass Storage, USB Revision 2.0 >>>>>>> - SanDisk Cruzer Blade 200443243002FB509E64 >>>> >>>> Let me guess, is this a DWC2-based host ? You didn't mention which SoC >>>> or USB controller it is. >>>> >>>> Cfr https://lists.denx.de/pipermail/u-boot/2016-January/240090.html , >>>> DWC2 has problems with those sandisk sticks. >>> >>> No, it is a NXP T1024 SoC. >>> Do you think it may be a problem with the SoC or NXP USB host driver ? >>> >> So that's chipidea ? That one should be reasonably sane. > > I don't think so. It uses following drivers: > drivers/usb/host/ehci-fsl.c > drivers/usb/host/ehci-hcd.c > >> >> Submit the patch you had in mind and let's see what happens. > > I just noticed that this stick needs more time after the usb_set_address() > call. > I increased the mdelay(10) to mdelay(20) and the "usb start" command worked. > But the problem is that I am still not convinced that this should be the > solution. >
Agreed. Can you bisect to see which commit broke your stick? Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
