Re: [PATCH v5 2/2] bus: mhi: host: Drop chan lock before queuing buffers

[Jeffrey Hugo]

On 12/10/2023 11:42 PM, Qiang Yu wrote:
> Ensure read and write locks for the channel are not taken in succession by
> dropping the read lock from parse_xfer_event() such that a callback given
> to client can potentially queue buffers and acquire the write lock in that
> process. Any queueing of buffers should be done without channel read lock
> acquired as it can result in multiple locks and a soft lockup.
>
> Signed-off-by: Qiang Yu <quic_qianyu@xxxxxxxxxxx>

Seems to work fine for AIC100

Reviewed-by: Jeffrey Hugo <quic_jhugo@xxxxxxxxxxx>
Tested-by: Jeffrey Hugo <quic_jhugo@xxxxxxxxxxx>