Wen Gong <[email protected]> wrote:
> When firmware crashed while channel switch running, recovery starts in
> ath12k. Then ieee80211_sta_connection_lost() will be called by function
> ieee80211_restart_work() in mac80211. And then many WMI command timeout
> because firmware is crashed. Each WMI command cost 3 seconds, then the
> total time will be large and leads recovery fail.
>
> Hence change to set value ATH12K_FLAG_CRASH_FLUSH early and then
> ath12k_wmi_cmd_send() will not wait 3 seconds, then recovery will be
> started quickly and success.
>
> 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 <[email protected]>
> Acked-by: Jeff Johnson <[email protected]>
> Signed-off-by: Kalle Valo <[email protected]>
Patch applied to ath-next branch of ath.git, thanks.
ecbb987b0a96 wifi: ath12k: fix recovery fail while firmware crash when doing channel switch
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