openwrt/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-remove-BQL.patch

From 1e1f2c5ea2af34017a398ab11cffac142adea87e Mon Sep 17 00:00:00 2001
From: John Crispin <[email protected]>
Date: Sat, 23 Apr 2016 12:57:21 +0200
Subject: [PATCH 91/91] net-next: mediatek: remove BQL

Signed-off-by: John Crispin <[email protected]>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c |   19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index b466f45..68f39ed 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -653,15 +653,6 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
 	WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) |
 				(!nr_frags * TX_DMA_LS0)));
 
-	/* we have a single DMA ring so BQL needs to be updated for all devices
-	 * sitting on this ring
-	 */
-	for (i = 0; i < MTK_MAC_COUNT; i++) {
-		if (!eth->netdev[i])
-			continue;
-		netdev_sent_queue(dev, skb->len);
-	}
-
 	skb_tx_timestamp(skb);
 
 	ring->next_free = mtk_qdma_phys_to_virt(ring, txd->txd2);
@@ -894,7 +885,6 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget)
 	unsigned int bytes = 0, done = 0;
 	u32 cpu, dma;
 	static int condition;
-	int i;
 
 	cpu = mtk_r32(eth, MTK_QTX_CRX_PTR);
 	dma = mtk_r32(eth, MTK_QTX_DRX_PTR);
@@ -935,15 +925,6 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget)
 
 	mtk_w32(eth, cpu, MTK_QTX_CRX_PTR);
 
-	/* we have a single DMA ring so BQL needs to be updated for all devices
-	 * sitting on this ring
-	 */
-	for (i = 0; i < MTK_MAC_COUNT; i++) {
-		if (!eth->netdev[i])
-			continue;
-		netdev_completed_queue(eth->netdev[i], done, bytes);
-	}
-
 	/* read hw index again make sure no new tx packet */
 	if (cpu == dma && cpu == mtk_r32(eth, MTK_QTX_DRX_PTR))
 		mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS);
-- 
1.7.10.4