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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> Link: https://lore.kernel.org/r/20230717034457.22162-1-quic_wgong@quicinc.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.