[Bug 1854487] Update Released

[Łukasz Zemczak]

The verification of the Stable Release Update for flash-kernel has
completed successfully and the package is now being released to
-updates.  Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1854487

Title:
  Add Raspberry Pi 4 rev 1.2 entry

Status in flash-kernel package in Ubuntu:
  Fix Released
Status in flash-kernel source package in Eoan:
  Fix Released

Bug description:
  Impact
  ======

  A new variant of the Raspberry Pi 4 (revision 1.2) has been released
  (presumably to deal with the USB-C power issue [1]). Without a
  corresponding entry in the flash-kernel database, users of this board
  will receive an error whenever flash-kernel is run (e.g. on kernel
  updates); see LP: #1848790 comment #44 for an example.

  [1] https://www.scorpia.co.uk/2019/06/28/pi4-not-working-with-some-
  chargers-or-why-you-need-two-cc-resistors/

  Test Case
  =========

  * On a Pi 4 Rev 1.2 board, boot an Eoan image (working around LP: #1848790 as necessary)
  * Attempt to run "sudo flash-kernel"
  * Observe the "Unsupported platform" message
  * Enable proposed
  * Run "sudo apt upgrade" to upgrade the flash-kernel installation
  * Run "sudo flash-kernel" once more, observe no error

  Regression Potential
  ====================

  Extremely low; the change is a one liner adding a matching "Machine"
  line to the database. It doesn't remove or alter existing lines. The
  worst case scenario is that the Machine line doesn't match the model
  in the device-tree (in which case it'll still produce "Unsupported
  platform").

  Other Info
  ==========

  The following branch contains the relevant changes:
  https://code.launchpad.net/~waveform/ubuntu/+source/flash-kernel/+git
  /flash-kernel/+ref/ubuntu/eoan-devel

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