Baochen Qiang <quic_bqiang@xxxxxxxxxxx> wrote:
> Currently host relies on CE interrupts to get notified that
> the service ready message is ready. This results in timeout
> issue if the interrupt is not fired, due to some unknown
> reasons. See below logs:
>
> [76321.937866] ath10k_pci 0000:02:00.0: wmi service ready event not received
> ...
> [76322.016738] ath10k_pci 0000:02:00.0: Could not init core: -110
>
> And finally it causes WLAN interface bring up failure.
>
> Change to give it one more chance here by polling CE rings,
> before failing directly.
>
> Tested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00157-QCARMSWPZ-1
>
> Fixes: 5e3dd157d7e7 ("ath10k: mac80211 driver for Qualcomm Atheros 802.11ac CQA98xx devices")
> Reported-by: James Prestwood <prestwoj@xxxxxxxxx>
> Tested-By: James Prestwood <prestwoj@xxxxxxxxx> # on QCA6174 hw3.2
> Link: https://lore.kernel.org/linux-wireless/304ce305-fbe6-420e-ac2a-d61ae5e6ca1a@xxxxxxxxx/
> Signed-off-by: Baochen Qiang <quic_bqiang@xxxxxxxxxxx>
> Acked-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>
> Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>
Patch applied to ath-next branch of ath.git, thanks.
e57b7d62a1b2 wifi: ath10k: poll service ready message before failing
--
https://patchwork.kernel.org/project/linux-wireless/patch/20240227030409.89702-1-quic_bqiang@xxxxxxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
