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Subject: Re: [PATCH] wifi: ath12k: add handler for scan event
 WMI_SCAN_EVENT_DEQUEUED
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20230717034457.22162-1-quic_wgong@quicinc.com>
References: <20230717034457.22162-1-quic_wgong@quicinc.com>
To:     Wen Gong <quic_wgong@quicinc.com>
Cc:     <ath12k@lists.infradead.org>, <linux-wireless@vger.kernel.org>,
        <quic_wgong@quicinc.com>
User-Agent: pwcli/0.1.1-git (https://github.com/kvalo/pwcli/) Python/3.11.2
Message-ID: <169105436499.894438.10408926666024994853.kvalo@kernel.org>
Date:   Thu,  3 Aug 2023 09:19:26 +0000 (UTC)
Precedence: bulk

Wen Gong <quic_wgong@quicinc.com> wrote:

> When wlan interface is up, and 11d scan is sent to the firmware, then
> firmware needs to spend couple of seconds to complete the 11d scan. If
> normal scan from user space arrives to ath12k at this moment, then the
> normal scan request is also sent to the firmware, but the scan started
> event will be reported to ath12k until the 11d scan complete. When timed
> out for the scan started in ath12k, ath12k stops the normal scan and the
> firmware reports WMI_SCAN_EVENT_DEQUEUED to ath12k for the normal scan.
> ath12k has no handler for the event and then timed out for the scan
> completed in ath12k_scan_stop(), and ath12k prints the following error
> message.
> 
> [ 1491.604750] ath12k_pci 0000:02:00.0: failed to receive scan abort comple: timed out
> [ 1491.604756] ath12k_pci 0000:02:00.0: failed to stop scan: -110
> [ 1491.604758] ath12k_pci 0000:02:00.0: failed to start hw scan: -110
> 
> Add a handler for WMI_SCAN_EVENT_DEQUEUED and then complete the scan to
> get rid of the above error message.
> 
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
> 
> Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

Patch applied to ath-next branch of ath.git, thanks.

9632ea57be65 wifi: ath12k: add handler for scan event WMI_SCAN_EVENT_DEQUEUED

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230717034457.22162-1-quic_wgong@quicinc.com/

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