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Subject: Re: [PATCH 1/3] mt76: remove redundant mt76_txq_schedule_all
To:     Stanislaw Gruszka <sgruszka@redhat.com>,
        linux-wireless@vger.kernel.org
Cc:     Lorenzo Bianconi <lorenzo.bianconi@redhat.com>,
        Ryder Lee <ryder.lee@mediatek.com>, Roy Luo <royluo@google.com>
References: <1566550337-6287-1-git-send-email-sgruszka@redhat.com>
 <1566550337-6287-2-git-send-email-sgruszka@redhat.com>
From:   Felix Fietkau <nbd@nbd.name>
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Date:   Fri, 23 Aug 2019 11:27:41 +0200
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On 2019-08-23 10:52, Stanislaw Gruszka wrote:
> Waking tx queues will cause that txq's will be scheduled. Calling
> mt76_txq_schedule_all() while queues are blocked is not necessary.
> We will not get any skb's from ieee80211_tx_dequeue() anyway, but
> patch changes that transmit of mtxq->retry_q skb's will be a bit
> deferred (on the moment after channel switch or other situation
> when we wake up queues).
> 
> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Waking tx queues will not always cause txqs to be scheduled - only if an
attempt to dequeue was blocked because queues were stopped at that time.
Because of that, I don't think this patch is correct.

- Felix