[PATCH v3 0/4] net: qrtr: Add support for using identical MHI endpoint devices
Paolo Abeni
pabeni at redhat.com
Tue Sep 29 01:59:50 PDT 2026
On 9/22/26 15:41, Manivannan Sadhasivam wrote:
> This series reworks the QRTR driver to add support for using identical MHI
> endpoint devices at the same time. Currently, QRTR driver has a limitation on
> using more than one identical MHI endpoint devices like QCS6490 or any Qcom
> Endpoint device making use of QRTR at the same time. Because of the fact that
> these devices will have the identical QRTR node id, they cannot be used at the
> same time, on the same host machine.
>
> This limitation is a blocker for running upstream kernel on devices like Qcom
> based routers as they often have multiple identical WLAN Endpoint devices
> connected to the Router SoC.
>
> This series supersedes the following 2 series from Juha:
> https://lore.kernel.org/all/20260915054207.2513877-1-juha-matti.tilli@iki.fi
> https://lore.kernel.org/all/20260915074135.2567411-1-juha-matti.tilli@iki.fi
>
> Compared to the series from Juha, this series simplifies the multi-endpoint
> support by computing a unique node id for each MHI endpoint and uses it for the
> internal QRTR book keeping. This ensures that even if the MHI endpoint devices
> have same node ids, the host QRTR will always use a unique node id for each one
> of them.
>
> More details can be found in the individual patches.
>
> Testing
> =======
>
> Juha tested this series on multi ath11k/12k setup by backporting this series to
> 6.6 kernel.
>
> Merge Strategy
> ==============
>
> Since both QRTR and ath drivers are falling under the networking tree, the whole
> series can be merged through netdev tree.
IMHO doable, with Johannes/Jeff ack.
Anyhow the clashiko provided feedback looks relevant, please have a look.
Also please note you are supposed to react to such feedback proactively.
/P
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