[Bug 1164484] [NEW] Add support for checking Device Tree model name

[Marcin Juszkiewicz]

Public bug reported:

There are Device Tree (DT) platforms where one kernel fits all devices -
like NVidia Tegra for example. So their maintainer can add one entry
into flash-kernel database and get work done.

But for other DT platforms is may not be possible. For example on
Exynos5 we have Samsung ARM Chromebook and Arndale board. First one uses
linux-chromebook 3.4.0 kernel while latter one uses linux-linaro kernel
- and each does not support other. They also boot with different
bootloaders...

With current code Exynos5 platform does not work cause all flash-kernel
knows is "SAMSUNG EXYNOS5 (Flattened Device Tree)" which does not help
here.

Attached patch adds support for checking model name present in Device
Tree so support for Chromebook can be provided as for "Google Snow"
machine.

** Affects: flash-kernel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: patch

** Patch added: "flash-kernel-add-dt.diff"
   https://bugs.launchpad.net/bugs/1164484/+attachment/3620661/+files/flash-kernel-add-dt.diff

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https://bugs.launchpad.net/bugs/1164484

Title:
  Add support for checking Device Tree model name

Status in “flash-kernel” package in Ubuntu:
  New

Bug description:
  There are Device Tree (DT) platforms where one kernel fits all devices
  - like NVidia Tegra for example. So their maintainer can add one entry
  into flash-kernel database and get work done.

  But for other DT platforms is may not be possible. For example on
  Exynos5 we have Samsung ARM Chromebook and Arndale board. First one
  uses linux-chromebook 3.4.0 kernel while latter one uses linux-linaro
  kernel - and each does not support other. They also boot with
  different bootloaders...

  With current code Exynos5 platform does not work cause all flash-
  kernel knows is "SAMSUNG EXYNOS5 (Flattened Device Tree)" which does
  not help here.

  Attached patch adds support for checking model name present in Device
  Tree so support for Chromebook can be provided as for "Google Snow"
  machine.

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