Hello You-Sheng, or anyone else affected,

Accepted linux-firmware into jammy-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/linux-
firmware/20220329.git681281e4-0ubuntu3.29 in a few hours, and then in
the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
jammy to verification-done-jammy. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-jammy. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/2048977

Title:
  WCN6856 Wi-FI Unavailable and no function during suspend stress

Status in HWE Next:
  New
Status in linux-firmware package in Ubuntu:
  Fix Released
Status in linux-firmware source package in Jammy:
  Fix Committed
Status in linux-firmware source package in Lunar:
  Won't Fix
Status in linux-firmware source package in Mantic:
  Fix Committed
Status in linux-firmware source package in Noble:
  Fix Released

Bug description:
  [SRU Justification]

  BugLink: https://bugs.launchpad.net/bugs/2048977

  [Impact]

  Due to a known silicon limitation, the following sequence is needed while
  initialing the PCIE device on a certain devices with ASMedia chipset involved:

  'hot reset' assert
  2nd PCIe reset' assert
  Asmedia 'hot reset' deassert
  PT21 GPIO13 2nd PCIe reset' deassert.
  In certain caes, the WIFI link training failed while system resumes from
  suspend.

  [Fix]

  Upstream commits:

  5217b76bed90 ("ath11k: WCN6855 hw2.0: update to 
WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.37")
  324cc56975d7 ("ath11k: WCN6855 hw2.0: update board-2.bin")
  And Jammy takes an additional commit d1dc30480f ("ath11k: WCN6855 hw2.0:
  update board-2.bin"), 17509e53b97b ("ath11k: WCN6855 hw2.0: update to 
WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.36") to forfill git 
history dependency.

  And while we pulled a firmware fix from github.com/kvalo/ath11k-firmware in
  bug 2042534, it fails to clean cherry-pick of commit 17509e53b97b. Since Noble
  has not yet accept the PR for bug 2042534, it has no such problem at this
  moment.

  [Test Case]

  This can be reproduced with suspend/resume stress test.

  $ checkbox-cli run com.canonical.certification::stress-
  suspend-30-cycles-with-reboots-automated

  [Where problems could occur]

  Opaque firmware update. No known issue found yet after the update.

  [Other Info]

  This affects all series with WCN6855/WCN6856 support, Noble/Mantic and
  Jammy for oem-6.5 included.

  ========== original bug report ==========

  Due to a known silicon limitation, the following sequence is needed
  while initialing the PCIE device on a certain devices with ASMedia
  chipset involved:

  1. 'hot reset' assert
  2. 2nd PCIe reset' assert
  3. Asmedia 'hot reset' deassert
  4. PT21 GPIO13 2nd PCIe reset' deassert.

  In certain caes, the WIFI link training failed while system resumes
  from suspend.

  This can be reproduced with suspend/resume stress test.

  $ checkbox-cli run com.canonical.certification::stress-
  suspend-30-cycles-with-reboots-automated

  The proposed fixes are:

  * 
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=17509e53b97baaefeb287b98d3358da8a6e1c199
    - This FW include this LP ticket issue fix
  * 
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=324cc56975d7b5a375259a49667c24f2f5a4c8fe
    - The FW is to support new China regulatory support.

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