This bug is awaiting verification that the linux-
bluefield/5.15.0-1035.37 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-linux-bluefield' to
'verification-done-jammy-linux-bluefield'. If the problem still exists,
change the tag 'verification-needed-jammy-linux-bluefield' to
'verification-failed-jammy-linux-bluefield'.


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
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-jammy-linux-bluefield-v2 
verification-needed-jammy-linux-bluefield

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https://bugs.launchpad.net/bugs/2045387

Title:
  Add ODM driver f81604 usb-can

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  New
Status in linux source package in Jammy:
  Fix Released

Bug description:
  From 68b4664246d9f4d44409f344a6b67890ab88156b Mon Sep 17 00:00:00 2001
  From: Filippo Copetti <filippo.cope...@eurotech.com>
  Date: Mon, 4 Dec 2023 14:46:08 +0100
  Subject: [PATCH 3/3] Add f81604 usb-can kernel driver

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2045387

  [ Impact ]
  f81604  driver needed for ODM partner

  [ Test Plan ]

  Install can-utils

  apt install can-utils

  insert the driver:
  modprobe f81604

  two socket can interfaces will be created, can0 and can1

  connect the DB9 cable and termination provided.
  Set up the two interfaces:
  ip link set can1 up type can bitrate 500000
  ip link set can1 up type can bitrate 500000
  candump can0

  In another shell run:
  cansend can1 123#DEADBEEF

  The first shell should report the received frame. Switch the
  interfaces in the last commands to test the frame flow in the other
  way around.

  [ Where problems could occur ]
  USB bus miss-behavior could cause issues to the driver.

  [ Other Info ]

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