Carl Huang <cjhuang@xxxxxxxxxxxxxx> writes:
> This change is to purge rx pktlog when entering WoW and reap
> the mon_status buffer to keep it empty. When leaving WoW, host
> restarts the reap timer. In WoW state, it's not allowed to feed
> into mon_status rings per firmware request.
"per firmware request" is not clear for me. Do you "per firmware team's
recommendation" or what?
> @@ -327,12 +327,7 @@ int ath11k_core_resume(struct ath11k_base *ab)
> ath11k_hif_ce_irq_enable(ab);
> ath11k_hif_irq_enable(ab);
>
> - ret = ath11k_dp_rx_pktlog_start(ab);
> - if (ret) {
> - ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n",
> - ret);
> - return ret;
> - }
> + ath11k_dp_rx_pktlog_start(ab);
Why remove error handling? We should always handle the errors.
>
> ret = ath11k_wow_wakeup(ab);
> if (ret) {
> diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
> index 6d769ba..ae6db5d 100644
> --- a/drivers/net/wireless/ath/ath11k/dp_rx.c
> +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
> @@ -5105,13 +5105,11 @@ int ath11k_dp_rx_pdev_mon_detach(struct ath11k *ar)
> return 0;
> }
>
> -int ath11k_dp_rx_pktlog_start(struct ath11k_base *ab)
> +void ath11k_dp_rx_pktlog_start(struct ath11k_base *ab)
> {
> /* start reap timer */
> mod_timer(&ab->mon_reap_timer,
> jiffies + msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
> -
> - return 0;
> }
Ah, you remove it here as well. But for consistency it's better to have
this return an error code.
> @@ -640,6 +657,8 @@ int ath11k_wow_op_resume(struct ieee80211_hw *hw)
> ath11k_hif_ce_irq_enable(ar->ab);
> ath11k_hif_irq_enable(ar->ab);
>
> + ath11k_dp_rx_pktlog_start(ar->ab);
Error handling here as well, please.
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