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authorWen Gong <quic_wgong@quicinc.com>2022-03-21 13:17:03 +0200
committerKalle Valo <quic_kvalo@quicinc.com>2022-03-23 10:56:58 +0200
commit78e3e6094220a71504e7136c42b49fc8ed3a72b4 (patch)
tree1e7b44ca858617de5186e4f58de7ce3259ef22f8 /drivers/net
parent38194f3a605e4a961f28bc38a73a4f4d43123968 (diff)
ath11k: Add hw-restart option to simulate_fw_crash
Add hw-restart to directly restart wlan. Like UTF mode start it will restart hardware and download firmware again. Usage: 1. Run command: echo hw-restart > /sys/kernel/debug/ath11k/qca6390\ hw2.0/simulate_fw_crash echo hw-restart > /sys/kernel/debug/ath11k/wcn6855\ hw2.0/simulate_fw_crash 2. wlan will be restart and do recovery process and success. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2 Signed-off-by: Wen Gong <quic_wgong@quicinc.com> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220228064606.8981-4-quic_wgong@quicinc.com
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath11k/debugfs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c
index a82266c8befc..9648e0017393 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -596,6 +596,10 @@ static ssize_t ath11k_write_simulate_fw_crash(struct file *file,
ret = ath11k_wmi_force_fw_hang_cmd(ar,
ATH11K_WMI_FW_HANG_ASSERT_TYPE,
ATH11K_WMI_FW_HANG_DELAY);
+ } else if (!strcmp(buf, "hw-restart")) {
+ ath11k_info(ab, "user requested hw restart\n");
+ queue_work(ab->workqueue_aux, &ab->reset_work);
+ ret = 0;
} else {
ret = -EINVAL;
goto exit;