Rakesh Pillai <pillair@xxxxxxxxxxxxxx> wrote: > Whenever the WCN3990 firmware becomes unavailable, > the host driver receives a FW down indication, post > which all the direct hardware register access should > be avoided, in order to prevent improper behavior in > the host driver. > > Set the crash_flush flag when the host driver receives > a FW_DOWN_IND via qmi, in order to stop the untimely > hardware register access. Also handle the case, where > we need to do core register only for the first FW_READY > indication, which is when we initialize the host driver. > All the subsequent FW_READY indication will be received > in subsystem recovery case and we only need to do the > restart work. The state of driver is maintained using > flags to distinguish between first and subsequent FW_READY > indication received. > > Tested HW: WCN3990 > Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1 > > Signed-off-by: Surabhi Vishnoi <svishnoi@xxxxxxxxxxxxxx> > Signed-off-by: Rakesh Pillai <pillair@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 0e622f67e041 ath10k: add support for WCN3990 firmware crash recovery -- https://patchwork.kernel.org/patch/10637883/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
