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Subject: Re: [PATCH v2] wifi: ath10k: poll service ready message before
 failing
From: Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20240227030409.89702-1-quic_bqiang@quicinc.com>
References: <20240227030409.89702-1-quic_bqiang@quicinc.com>
To: Baochen Qiang <quic_bqiang@quicinc.com>
Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>,
 <quic_bqiang@quicinc.com>
User-Agent: pwcli/0.1.1-git (https://github.com/kvalo/pwcli/) Python/3.11.2
Message-ID: <170991040833.1311983.10804124328210267048.kvalo@kernel.org>
Date: Fri,  8 Mar 2024 15:06:50 +0000 (UTC)

Baochen Qiang <quic_bqiang@quicinc.com> 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@gmail.com>
> Tested-By: James Prestwood <prestwoj@gmail.com> # on QCA6174 hw3.2
> Link: https://lore.kernel.org/linux-wireless/304ce305-fbe6-420e-ac2a-d61ae5e6ca1a@gmail.com/
> Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

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@quicinc.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches