Re: Fwd: Qualcomm NFA725A on T14s AMD Gen3: Bluetooth: hci0: Failed to send headers (or body or access otp area)

From: Kalle Valo
Date: Mon Aug 21 2023 - 01:02:27 EST


Bagas Sanjaya <bagasdotme@xxxxxxxxx> writes:

> Hi,
>
> I notice a bug report on Bugzilla [1]. Quoting from it:
>
>> Hello,
>>
>> (Sorry by advance if it's not the correct place to discuss that, but
>> I tried other place like my distro kernel forum
>> (https://bbs.archlinux.org/viewtopic.php?id=286929), interactive
>> chat, etc and nobody was able to help).
>>
>> [1] == Short summary ==
>>
>> I have a lenovo T14S AMD Gen 3 with a *Qualcomm NFA725A* Wi-Fi card
>> (which is actually reported by lspci as QCNFA765) and bluetooth
>> never worked on it, failing to load the rampatch with "failed to
>> send header" or "failed to send body" or "Failed to access otp area
>> (-71)".
>>
>> Other people reports bluetooth as working
>> (https://wiki.archlinux.org/title/Lenovo_ThinkPad_T14s_(AMD)_Gen_3)
>> and a work friend has a T16 AMD gen1 which seems to have exactly the
>> same chipset and work flowlessly. So perhaps it's an hardware issue,
>> but I don't know how to qualify it if so.
>>
>> => How can this be further qualified/debuged/workarounded?
>>
>> Any help, even RTFM pointing to corresponding manuals would be very
>> much appreciated.

This looks like a bluetooth bug so not related to ath11k (which is a
Wi-Fi driver).

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