5.14 rc6 broken for QCA6390 on Dell XPS 13 9310

[Kalle Valo]

(adding linux-wireless, regressions and some mhi folks)

Wren Turkal <wt at penguintechs.org> writes:

> I have no device for the wifi on my computer. 5.13 worked pretty well.
> I also found others reporting similar issues:
> https://forum.manjaro.org/t/kernel5-14-rc6-ath11k-on-qca6390-regression-mhi-probe-failure/79362
>
> Here's info about the hardware on my laptop:
> ➜  ~ sudo dmidecode -s system-product-name
> XPS 13 9310
>
> ➜  ~ sudo dmidecode -s bios-version
> 3.0.4

Do you get the same mhi error as in the forum post?

qcom_mhi_qrtr: probe of mhi0_IPCR failed with error -22

MHI folks, any ideas? I have XPS 13 9310 myself but I'm not able to test
v5.14-rc6 kernel right now.

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