[Bug 1912905] Re: Can't find WLAN device on RPI-CM4L with 20.10 armhf preinstall server image

[Juerg Haefliger]

Installed linux-firmware-raspi 4-0ubuntu3 from hirsute proposed and
verified that /sys/class/net/wlan0 is present after boot.

And:
$ sudo dmesg | grep brcmf
[   12.440670] brcmfmac: F1 signature read @0x18000000=0x15264345
[   12.452809] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[   12.463110] usbcore: registered new interface driver brcmfmac
[   12.695439] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[   12.712428] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Jan  4 2021 19:56:29 version 7.45.229 (617f1f5 CY) FWID 01-2dbd9d2e


** Tags added: verification-done-hirsute

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https://bugs.launchpad.net/bugs/1912905

Title:
  Can't find WLAN device on RPI-CM4L with 20.10 armhf preinstall server
  image

Status in linux-firmware-raspi2 package in Ubuntu:
  Fix Released
Status in linux-raspi package in Ubuntu:
  Invalid
Status in linux-firmware-raspi2 source package in Focal:
  Fix Committed
Status in linux-raspi source package in Focal:
  Invalid
Status in linux-firmware-raspi2 source package in Groovy:
  Fix Committed
Status in linux-raspi source package in Groovy:
  Invalid
Status in linux-firmware-raspi2 source package in Hirsute:
  Fix Released
Status in linux-raspi source package in Hirsute:
  Invalid

Bug description:
  [Description]
  Can't find WLAN device on Raspberry Pi CM4L with 20.10 armhf preinstall server image.
  This only happens on armhf image.

  [Steps to reproduce]
  1. Flash image http://cdimage.ubuntu.com/ubuntu/releases/groovy/release/ubuntu-20.10-preinstalled-server-armhf+raspi.img.xz
  2. Boot into system
  5. Check wireless device using "ip a"

  [Expected result]
  Can't find WLAN device

  [Actual result]
  WLAN device works fine

  [Additional information]
  Hardware: RPI-CM4L
  Kernel Version: 5.8.0-1006-raspi, 5.8.0-1012-raspi, 5.8.0-1013-raspi

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