APPLIED [OEM-5.13] Re: [PATCH 0/1][SRU][OEM-5.13/U] Fix firmware reload failure of MT7921
Timo Aaltonen
tjaalton at ubuntu.com
Wed Jul 28 08:58:19 UTC 2021
On 19.7.2021 12.07, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1936790
>
> SRU justification:
>
> [Impact]
> MT7921 is supported on 5.13 kernel, mt76 driver failed to work when
> reboot.
> SRUed for 5.13+ kernel only.
>
> [Fix]
> MT7921 needs both driver and firmware, firmware is SRUed.
> When reboot, the firmware is already reloaded, driver probe breaks.
> Continue to probe if firmware status is OK.
>
> [Test]
> Verified on hardware, After reboot system wifi works fine.
>
> [Where problems could occur]
> The MT7921 wifi may not work.
>
> Aaron Ma (1):
> mt76: mt7921: continue to probe driver when fw already downloaded
>
> drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
applied to oem-5.13, thanks
--
t
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