[bug] uboot 2022.07 hangs on rpi 2 with attached usb storage

Jan Palus jpalus at fastmail.com
Mon Jul 18 19:48:49 CEST 2022


u-boot 2022.07 boots fine without any USB devices attached to
RaspberryPi 2 however it hangs early on if external USB drive is
connected, right after:

   Request Sense returned 02 04 01

git bisect indicates first commit to cause regression is:

  8c9812a5d557c4eacf164147d7380b3af1b222ec is the first bad commit
  commit 8c9812a5d557c4eacf164147d7380b3af1b222ec
  Author: AKASHI Takahiro <takahiro.akashi at linaro.org>
  Date:   Tue Mar 8 20:36:40 2022 +0900
  
      usb: storage: call device_probe() after scanning
  
      Every time a usb bus/port is scanned and a new device is detected,
      we want to call device_probe() as it will give us a chance to run
      additional post-processings for some purposes.
  
      In particular, support for creating partitions on a device will be added.
  
      Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
      Reviewed-by: Simon Glass <sjg at chromium.org>

Reverting this commit fixes the issue.

Note that USB drive is TOSHIBA MQ04UBD200 and it's not used for booting.
Also note that without this change 0 storage devices are detected even
when drive is attached.


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