ath11k vs ar_qrtr?

Kalle Valo kvalo at kernel.org
Wed Nov 30 04:42:41 PST 2022


Hi Christoph,

Christoph Hellwig <hch at lst.de> writes:

> I'm trying to install debian testing on my new Thinkpad T14s, which
> comes with a Qualcomm QCNFA765 wifi adatper that seems to be supported
> by the ath11k driver.
>
> Probing the device fails with a "failed to initialize qmi handle: -517"
> message, which as far as I can tell happens when qmi_sock_create
> fails to create a AF_QIPCRTR socket with a status of -EAFNOSUPPORT,
> which the confusingly gets turned into -EPROBE_DEFER by qmi_handle_init.
>
> The debian installer kernel doesn't seem to come with af_qrtr at all,
> which seems to be required by this call and unless I'm missing something
> is required for support for at least this version of the ath11k
> hardware.

Yeah, ath11k PCI devices require QRTR and we have this in Kconfig:

config ATH11K_PCI
	tristate "Atheros ath11k PCI support"
	depends on ATH11K && PCI
	select MHI_BUS
	select QRTR
	select QRTR_MHI

> Is there any reson to not have a module dependency so that
> distributions will pick it up automatically?

Sorry, not following you here. Are you saying that "select QRTR" is not
enough and we should add something more?

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