Merge tag 'asoc-v5.7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.7

This is a very big update for the core since Morimoto-san has been
rather busy continuing his refactorings to clean up a lot of the cruft
that we have accumilated over the years.  We've also gained several new
drivers, including initial (but still not complete) parts of the Intel
SoundWire support.

 - Lots of refactorings to modernize the code from Morimoto-san.
 - Conversion of SND_SOC_ALL_CODECS to use imply from Geert Uytterhoeven.
 - Continued refactoring and fixing of the Intel support.
 - Soundwire and more advanced clocking support for Realtek RT5682.
 - Support for amlogic GX, Meson 8, Meson 8B and T9015 DAC, Broadcom
   DSL/PON, Ingenic JZ4760 and JZ4770, Realtek RL6231, and TI TAS2563 and
   TLV320ADCX140.

1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index 04d7f41d7ed9..8aafc54a4684 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -535,6 +535,44 @@ netdev_tx_t efx_hard_start_xmit(struct sk_buff *skb,
 	return efx_enqueue_skb(tx_queue, skb);
 }
 
+void efx_xmit_done_single(struct efx_tx_queue *tx_queue)
+{
+	unsigned int pkts_compl = 0, bytes_compl = 0;
+	unsigned int read_ptr;
+	bool finished = false;
+
+	read_ptr = tx_queue->read_count & tx_queue->ptr_mask;
+
+	while (!finished) {
+		struct efx_tx_buffer *buffer = &tx_queue->buffer[read_ptr];
+
+		if (!efx_tx_buffer_in_use(buffer)) {
+			struct efx_nic *efx = tx_queue->efx;
+
+			netif_err(efx, hw, efx->net_dev,
+				  "TX queue %d spurious single TX completion\n",
+				  tx_queue->queue);
+			efx_schedule_reset(efx, RESET_TYPE_TX_SKIP);
+			return;
+		}
+
+		/* Need to check the flag before dequeueing. */
+		if (buffer->flags & EFX_TX_BUF_SKB)
+			finished = true;
+		efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl);
+
+		++tx_queue->read_count;
+		read_ptr = tx_queue->read_count & tx_queue->ptr_mask;
+	}
+
+	tx_queue->pkts_compl += pkts_compl;
+	tx_queue->bytes_compl += bytes_compl;
+
+	EFX_WARN_ON_PARANOID(pkts_compl != 1);
+
+	efx_xmit_done_check_empty(tx_queue);
+}
+
 void efx_init_tx_queue_core_txq(struct efx_tx_queue *tx_queue)
 {
 	struct efx_nic *efx = tx_queue->efx;