Re: [PATCH v2 4/4] wifi: ath12k: Connect to the QMI server belonging to the device owned by this driver

[Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>]

On 9/21/2026 4:53 PM, Manivannan Sadhasivam via B4 Relay wrote:
> From: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
> 
> When two identical ath12k PCIe devices are connected to the same host, both
> advertise the WLFW service with the same service and instance id. The QMI
> lookup reports both servers to each device, so a device may connect to the
> firmware running on the other device.
> 
> But now, QRTR provides each MHI endpoint a unique node id which is
> different from the node id announced by the device. So use the same id to
> pick the correct server. Add a get_qrtr_node_id() HIF callback that returns
> the node id derived from the MHI controller index and zero for transports
> that do not assign one. In the new_server callback, skip any service whose
> node id does not match. A node id of zero disables the check, so transports
> that do not assign one keep their current behavior.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>