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Bug#950578: linux-image-4.19.67-2-arm64: Add ACPI network interface support for RPi4

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Pete Batard wrote:
> I would really like to get an update on this, because I really can't 
> understand what the holdup is, or why non related issues seem to be be 
> shoved into this bug, with the apparent end result of completely 
> distracting from the matter at hand.
[...]
> It is *NOT* about tracking whether the 5.x kernel packages have Genet 
> support. And it is *NOT* about troubleshooting network issues with the 
> 5.x kernel.

The Debian bug tracking system is quite capable of recording *which*
versions an issue is found and fixed in.  So it's fine that this bug is
marked fixed in 5.x; we still know that it's unfixed in 4.19.

Also, there would be no point in enabling this driver in 4.19, only to
have people find on upgrade to the next version on Debian that we
didn't enable it there.  That's why we're concerned with both versions.

[...]
> I would also greatly appreciate if this could actually be treated with 
> the level of urgency it requires on account of the following.

All "missing hardware support" bugs have severity "important".

[...]
> - The required patch to *SOLVE* the issue has been provided, so it's not 
[...]

I acknowledge that you have provided a patch, which I appreciate, and
I'm sorry you haven't had a specific response to that yet.

Generally we want patches that correspond closely to upstream commits. 
For 5.5 I had to backport these 6 commits:

ce69e2162f15 mdio_bus: Add generic mdio_find_bus()
480ded265205 net: bcmgenet: refactor phy mode configuration
6ef31c8bee5b net: bcmgenet: enable automatic phy discovery
99c6b06a37d4 net: bcmgenet: Initial bcmgenet ACPI support
26bd9cc64faf net: bcmgenet: Fetch MAC address from the adapter
ae200c26b32b net: bcmgenet: reduce severity of missing clock warnings

Can you please provide separate backports of these, instead of a single
patch where it's hard to see what changed?

Ben.

-- 
Ben Hutchings - Debian developer, member of kernel, installer and LTS teams

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Bug#950578: linux-image-4.19.67-2-arm64: Add ACPI network interface support for RPi4 (patch attached) Pete Batard <pete@akeo.ie> - 2020-02-03 20:10 +0100
  Bug#950578: (no subject) Pete Batard <pete@akeo.ie> - 2020-02-14 17:40 +0100
    Bug#950578: Updated patch Pete Batard <pete@akeo.ie> - 2020-02-25 12:40 +0100
      Bug#950578: (no subject) Pete Batard <pete@akeo.ie> - 2020-03-03 18:40 +0100
  Bug#950578: marked as done (linux-image-4.19.67-2-arm64: Add ACPI  network interface support for RPi4 (patch attached)) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2020-03-30 10:20 +0200
  Bug#950578: fixed in linux 5.5.13-1 Pete Batard <pete@akeo.ie> - 2020-03-30 10:50 +0200
    Bug#950578: fixed in linux 5.5.13-1 Ben Hutchings <benh@debian.org> - 2020-03-30 15:40 +0200
  Bug#950578: linux-image-5.5.0-1-armmp: enable Raspberry Pi 4 NIC module "bcmgenet" Steven Shiau <steven@nchc.org.tw> - 2020-04-06 10:30 +0200
  Bug#950578: Linux 5.5.0-1-arm64: kernel panic after module bcmgenet was loaded Steven Shiau <steven@nchc.org.tw> - 2020-04-09 05:50 +0200
    Bug#950578: Linux 5.5.0-1-arm64: kernel panic after module bcmgenet was loaded Ben Hutchings <ben@decadent.org.uk> - 2020-04-13 16:40 +0200
  Bug#950578: linux-image-4.19.67-2-arm64: Add ACPI network interface support for RPi4 Pete Batard <pete@akeo.ie> - 2020-05-07 12:20 +0200
    Bug#950578: linux-image-4.19.67-2-arm64: Add ACPI network interface support for RPi4 Ben Hutchings <benh@debian.org> - 2020-05-07 14:50 +0200
      Bug#950578: linux-image-4.19.67-2-arm64: Add ACPI network interface support for RPi4 Pete Batard <pete@akeo.ie> - 2020-05-07 15:30 +0200
        Bug#950578: linux-image-4.19.67-2-arm64: Add ACPI network interface support for RPi4 Ben Hutchings <benh@debian.org> - 2020-05-09 23:30 +0200
          Bug#950578: linux-image-4.19.67-2-arm64: Add ACPI network interface support for RPi4 Pete Batard <pete@akeo.ie> - 2020-05-10 00:40 +0200
          Difficulties with kernel package contributions Ben Hutchings <ben@decadent.org.uk> - 2020-05-17 18:00 +0200

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