Wen Gong <wgong@xxxxxxxxxxxxxx> writes: > From: Wen Gong <quic_wgong@xxxxxxxxxxx> > > v3: remove time_left set but not used in > "ath11k: add synchronization operation between reconfigure of mac80211 and ath11k_base" > > v2: s/initilized/initialized in commit log of patch > "ath11k: add synchronization operation between reconfigure of mac80211 and ath11k_base" > > Add support for device recovery. > > Wen Gong (3): > ath11k: add ath11k_qmi_free_resource() for recovery > ath11k: add support for device recovery for QCA6390 > ath11k: add synchronization operation between reconfigure of mac80211 > and ath11k_base I did some quick testing (commit 4716d5bb1e16 in pending branch) and it does not seem to work for me: oot@nuc1:~# echo assert > /sys/kernel/debug/ath11k/qca6390\ hw2.0/simulate_fw_crash root@nuc1:~# iw wlan0 scan command failed: Connection timed out (-110) root@nuc1:~# Kernel logs have: [ 118.903092] ath11k_pci 0000:06:00.0: BAR 0: assigned [mem 0xdb000000-0xdbffffff 64bit] [ 118.925164] ath11k_pci 0000:06:00.0: MSI vectors: 32 [ 118.925285] ath11k_pci 0000:06:00.0: qca6390 hw2.0 [ 119.093214] mhi mhi0: Requested to power ON [ 119.095430] mhi mhi0: Power on setup success [ 119.423735] mhi mhi0: Wait for device to enter SBL or Mission mode [ 119.543030] ath11k_pci 0000:06:00.0: chip_id 0x0 chip_family 0xb board_id 0xff soc_id 0xffffffff [ 119.543197] ath11k_pci 0000:06:00.0: fw_version 0x101c06cc fw_build_timestamp 2020-06-24 19:50 fw_build_id [ 230.101077] ip (2367) used greatest stack depth: 24384 bytes left [ 283.663895] ath11k_pci 0000:06:00.0: simulating firmware assert crash [ 283.738422] ath11k_pci 0000:06:00.0: firmware crashed: MHI_CB_SYS_ERROR [ 295.236831] ath11k_pci 0000:06:00.0: wmi command 12290 timeout [ 295.237937] ath11k_pci 0000:06:00.0: failed to send WMI_STOP_SCAN_CMDID [ 295.238467] ath11k_pci 0000:06:00.0: failed to stop wmi scan: -11 [ 295.240049] ath11k_pci 0000:06:00.0: failed to stop scan: -11 [ 295.240558] ath11k_pci 0000:06:00.0: failed to start hw scan: -110 Also there should be a clear ath11k_warn() message when firmware recovery was successful, I could not find one from patches. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
