[PATCH RFC 4/8] wifi: ath11k: remove MHI LOOPBACK channels

[Baochen Qiang]

On 11/11/2023 12:54 AM, Jeffrey Hugo wrote:
> On 11/10/2023 3:21 AM, Kalle Valo wrote:
>> From: Baochen Qiang <quic_bqiang at quicinc.com>
>>
>> There is no driver to match these two channels, so
>> remove them. This fixes warnings from MHI subsystem during suspend:
>>
>> mhi mhi0_LOOPBACK: 1: Failed to reset channel, still resetting
>> mhi mhi0_LOOPBACK: 0: Failed to reset channel, still resetting
>
> This feels like just masking a real issue.
>
> If LOOPBACK is not being consumed, then the channel should never go 
> into the start state.  Why would we be trying to transition to the 
> reset state then?
>
> -Jeff
That is because, with patch 'bus: mhi: host: add new interfaces to 
handle MHI channels directly' in this patch set, ath11k is able to call 
mhi_unprepare_all_from_transfer(), which will reset all channels.