APPLIED/Cmt: [PATCH v2 0/1][SRU][O] Regression: MT7925 wifi fails to reconnect

[Mehmet Basaran]

Applied the patch to oracular:master-next branch. However, it will not
be released because oracular will be EOL.

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AceLan Kao <acelan.kao at canonical.com> writes:

> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/2111778
>
> [Impact]
> Can't reconnect the wifi(MT7925) after Oracular 6.11.0-26.26 which includes
> the commit from upstream stable update
> ff6a34984ba13 wifi: mt76: mt7925: Cleanup MLO settings post-disconnection
>
> [Fix]
> The commit in 6.15-rc1 fixes the issue
> 0ebb60da8416c wifi: mt76: mt7925: adjust rm BSS flow to prevent next
> connection failure
>
> This commit depends on many other patches which are hard to backport to
> 6.11 kernel.
> So, simply revert ff6a34984ba13 ("wifi: mt76: mt7925: Cleanup MLO settings
> post-disconnection") for now, and will submit another SRU later if MTK
> could provide us a fix for 6.11 kernel.
>
> [Test]
> 1. Boot up the machine with MT7925 wifi card
> 2. Connect to the wifi AP with ssid = "Canonical"
> 3. Run "sudo nmcli c down Canonical"
> 4. Run "sudo nmcli c up Canonical"
> 5. Wifi should come back and work as normal
>
> [Where problems could occur]
> The reverted commit reset the MLO settings which is a feature in WiFi 7.
> Howerer, we don't support MT7925 WiFi 7 on 6.11 kernel, so it should be
> safe to revert this commit.
>
> Chia-Lin Kao (AceLan) (1):
>   UBUNTU: SAUCE: Regression: MT7925 wifi fails to reconnect
>
>  .../net/wireless/mediatek/mt76/mt7925/main.c  | 36 ++-----------------
>  .../net/wireless/mediatek/mt76/mt7925/mcu.c   |  4 +--
>  .../net/wireless/mediatek/mt76/mt7925/mcu.h   |  2 +-
>  3 files changed, 5 insertions(+), 37 deletions(-)
>
> -- 
> 2.43.0
>
>
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
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