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Commit 77565794 authored by Vasanthakumar Thiagarajan's avatar Vasanthakumar Thiagarajan Committed by Kalle Valo
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ath6kl: Recover from "wmi ctrl ep is full" condition 



In some error conditions, fw pauses HTC pipes which would
result in control endpoint full condition. When we hit this
case, most of the time the device will be unusable. Re-initialize
the target to recover from this situation.

Signed-off-by: default avatarVasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 92332993

drivers/net/wireless/ath/ath6kl/core.h

+1 −0
Original line number Diff line number Diff line
@@ -660,6 +660,7 @@ enum ath6kl_state { 
enum ath6kl_fw_err {

	ATH6KL_FW_ASSERT,

	ATH6KL_FW_HB_RESP_FAILURE,

	ATH6KL_FW_EP_FULL,

};



struct ath6kl {

drivers/net/wireless/ath/ath6kl/recovery.c

+2 −0
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ static void ath6kl_recovery_work(struct work_struct *work) 
	ath6kl_init_hw_restart(ar);



	ar->state = ATH6KL_STATE_ON;

	clear_bit(WMI_CTRL_EP_FULL, &ar->flag);



	ar->fw_recovery.err_reason = 0;



	if (ar->fw_recovery.enable)

drivers/net/wireless/ath/ath6kl/txrx.c

+1 −0
Original line number Diff line number Diff line
@@ -594,6 +594,7 @@ enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target, 
		 */

		set_bit(WMI_CTRL_EP_FULL, &ar->flag);

		ath6kl_err("wmi ctrl ep is full\n");

		ath6kl_recovery_err_notify(ar, ATH6KL_FW_EP_FULL);

		return action;

	}