Jouni Malinen <jouni@xxxxxxxxxxxxxx> wrote: > When wlan interface is up, 11d scan is sent to the firmware, and the > firmware needs to spend couple of seconds to complete the 11d scan. If > immediately a normal scan from user space arrives to ath11k, then the > normal scan request is also sent to the firmware, but the scan started > event will be reported to ath11k until the 11d scan complete. When timed > out for the scan started in ath11k, ath11k stops the normal scan and the > firmware reports WMI_SCAN_EVENT_DEQUEUED to ath11k for the normal scan. > ath11k has no handler for the event and then timed out for the scan > completed in ath11k_scan_stop(), and ath11k prints the following error > message. > > [ 1491.604750] ath11k_pci 0000:02:00.0: failed to receive scan abort comple: timed out > [ 1491.604756] ath11k_pci 0000:02:00.0: failed to stop scan: -110 > [ 1491.604758] ath11k_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: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1 > > Signed-off-by: Wen Gong <wgong@xxxxxxxxxxxxxx> > Signed-off-by: Jouni Malinen <jouni@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> 3 patches applied to ath-next branch of ath.git, thanks. 441b3b5911f8 ath11k: add handler for scan event WMI_SCAN_EVENT_DEQUEUED c677d4b1bcc4 ath11k: indicate scan complete for scan canceled when scan running 62db14ea95b1 ath11k: indicate to mac80211 scan complete with aborted flag for ATH11K_SCAN_STARTING state -- https://patchwork.kernel.org/project/linux-wireless/patch/20210914164226.38843-1-jouni@xxxxxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
