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Re: [PATCH] ath10k: transmit queued frames after waking queues

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On Thu, 17 May 2018 at 16:16, Niklas Cassel <niklas.cassel@xxxxxxxxxx>
wrote:

> diff --git a/drivers/net/wireless/ath/ath10k/txrx.c
b/drivers/net/wireless/ath/ath10k/txrx.c
> index cda164f6e9f6..1d3b2d2c3fee 100644
> --- a/drivers/net/wireless/ath/ath10k/txrx.c
> +++ b/drivers/net/wireless/ath/ath10k/txrx.c
> @@ -95,6 +95,9 @@ int ath10k_txrx_tx_unref(struct ath10k_htt *htt,
>                  wake_up(&htt->empty_tx_wq);
>          spin_unlock_bh(&htt->tx_lock);

> +       if (htt->num_pending_tx <= 3 && !list_empty(&ar->txqs))
> +               ath10k_mac_tx_push_pending(ar);
> +

Just sanity checking - what's protecting htt->num_pending_tx? or is it
serialised some other way?

>          dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);

>          ath10k_report_offchan_tx(htt->ar, msdu);
> --
> 2.17.0



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