Public bug reported:

[Impact]
Qualcomm WCN6856 doens't work.

[Fix]
Backport missing bits to make Wifi 5 work. Wifi 6 support is not in the
scope of this SRU.

[Test]
The system can connect to Wifi. Wifi still works after several rounds of
suspend/resume cycles. 

[Where problems could occur]
The change is limited to ath11k, which is also the only user of mhi bus,
so the scope of risk is limited. Let alone it never worked before, so
there's not much room to go wrong.

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Confirmed

** Affects: linux-firmware (Ubuntu)
     Importance: Low
         Status: Confirmed

** Affects: linux-oem-5.14 (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: linux (Ubuntu Focal)
     Importance: Undecided
         Status: Won't Fix

** Affects: linux-firmware (Ubuntu Focal)
     Importance: Low
         Status: Confirmed

** Affects: linux-oem-5.14 (Ubuntu Focal)
     Importance: Low
         Status: Confirmed

** Affects: linux (Ubuntu Jammy)
     Importance: Low
         Status: Confirmed

** Affects: linux-firmware (Ubuntu Jammy)
     Importance: Low
         Status: Confirmed

** Affects: linux-oem-5.14 (Ubuntu Jammy)
     Importance: Undecided
         Status: Invalid

** Also affects: linux-oem-5.14 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.14 (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.14 (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Focal)
       Status: New => Won't Fix

** Changed in: linux (Ubuntu Jammy)
       Status: New => Confirmed

** Changed in: linux (Ubuntu Jammy)
   Importance: Undecided => Low

** Changed in: linux-oem-5.14 (Ubuntu Focal)
       Status: New => Confirmed

** Changed in: linux-oem-5.14 (Ubuntu Focal)
   Importance: Undecided => Low

** Changed in: linux-oem-5.14 (Ubuntu Jammy)
       Status: New => Invalid

** Also affects: linux-firmware (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux-firmware (Ubuntu Focal)
       Status: New => Confirmed

** Changed in: linux-firmware (Ubuntu Jammy)
       Status: New => Confirmed

** Changed in: linux-firmware (Ubuntu Focal)
   Importance: Undecided => Low

** Changed in: linux-firmware (Ubuntu Jammy)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1955613

Title:
  Add basic Wifi support for Qualcomm WCN6856

Status in linux package in Ubuntu:
  Confirmed
Status in linux-firmware package in Ubuntu:
  Confirmed
Status in linux-oem-5.14 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Won't Fix
Status in linux-firmware source package in Focal:
  Confirmed
Status in linux-oem-5.14 source package in Focal:
  Confirmed
Status in linux source package in Jammy:
  Confirmed
Status in linux-firmware source package in Jammy:
  Confirmed
Status in linux-oem-5.14 source package in Jammy:
  Invalid

Bug description:
  [Impact]
  Qualcomm WCN6856 doens't work.

  [Fix]
  Backport missing bits to make Wifi 5 work. Wifi 6 support is not in the
  scope of this SRU.

  [Test]
  The system can connect to Wifi. Wifi still works after several rounds of
  suspend/resume cycles. 

  [Where problems could occur]
  The change is limited to ath11k, which is also the only user of mhi bus,
  so the scope of risk is limited. Let alone it never worked before, so
  there's not much room to go wrong.

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