diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0091-net-next-mediatek-remove-BQL.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.4/0091-net-next-mediatek-remove-BQL.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-remove-BQL.patch b/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-remove-BQL.patch new file mode 100644 index 0000000000..324d253ddd --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-remove-BQL.patch @@ -0,0 +1,57 @@ +From 1e1f2c5ea2af34017a398ab11cffac142adea87e Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sat, 23 Apr 2016 12:57:21 +0200 +Subject: [PATCH 91/91] net-next: mediatek: remove BQL + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + 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 + |