This bug is awaiting verification that the linux-
bluefield/5.15.0-1025.27 kernel in -proposed solves the problem. Please
test the kernel and update this bug with the results. If the problem is
solved, change the tag 'verification-needed-jammy' to 'verification-
done-jammy'. If the problem still exists, change the tag 'verification-
needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
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** Tags added: verification-needed-jammy

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https://bugs.launchpad.net/bugs/2033439

Title:
  Cherry-pick gpio and pinctrl drivers from upstream

Status in linux-bluefield package in Ubuntu:
  Invalid
Status in linux-bluefield source package in Jammy:
  Fix Committed

Bug description:
  SRU Justification:

  [Impact]

  Cherry pick gpio-mlxbf3.c and pinctrl-mlxbf3.c patches from linux-
  next.

  [Fix]

  * Revert existing pinctrl-mlxbf3.c driver changes
  * Revert existing gpio-mlxbf3.c driver changes
  * Cherry-pick all the following commits from linux-next:
    gpio-mlxbf3.c:
    cd33f216d241520385a5166ae73a0771197a9f0b
    38a700efc51080c7184f71edbf5e49561da9754f
    1d2a22fa6d2511d5871d87c15b4fe7a944fe3b2a

    pinctrl-mlxbf3.c:
    d11f932808dc689717e409bbc81b5093e7902fc9
    743d3336029ffe2bb38e982a3b572ced243c6d43
    c0f84760b01e8d8b59e9e186a4f7fa8f081a4488
    69657e60b8a7faf83b583c658ec7ce1f5ece9eb3

  [Test Case]

  * All test cases are for BF3 only
  * Check that the gpio-mlxbf3 driver gets loaded at boot time without issues
  * Check that the pinctrl-mlxbf3 driver gets loaded at boot time without issues
  * use libgpiod to test the access to gpio pin 0 through 4 i.e. read and write.
  * rmmod and modprobe of both drivers 
  * Check that pwr-mlxbf driver is loaded successfully
  * Check that mlxbf-gige driver is loaded successfully and the irq is 
initialized properly (dmesg | grep PHY)

  [Regression Potential]

  * We introduced a dependency of the gpio-mlxbf3 driver on pinctrl-mlxbf3. So 
we need to make sure that
    doesnt trigger any regressions with loading other dependent drivers
  * make sure that removing/reloading the driver/restarting the DPU doesnt 
cause any panic related to these drivers.

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