diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/770-07-net-ethernet-mtk_eth_soc-drop-descriptor-cpu-own-bit.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/770-07-net-ethernet-mtk_eth_soc-drop-descriptor-cpu-own-bit.patch | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/target/linux/generic/pending-5.4/770-07-net-ethernet-mtk_eth_soc-drop-descriptor-cpu-own-bit.patch b/target/linux/generic/pending-5.4/770-07-net-ethernet-mtk_eth_soc-drop-descriptor-cpu-own-bit.patch deleted file mode 100644 index 0a9dfd68a1..0000000000 --- a/target/linux/generic/pending-5.4/770-07-net-ethernet-mtk_eth_soc-drop-descriptor-cpu-own-bit.patch +++ /dev/null @@ -1,34 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Wed, 26 Aug 2020 17:48:14 +0200 -Subject: [PATCH] net: ethernet: mtk_eth_soc: drop descriptor cpu-own bit check - in qdma tx cleanup - -mtk_poll_tx_qdma already checks the MTK_QTX_DRX_PTR register, which points -at the last completed descriptor. -To slightly improve performance, also remove the register bit which forces -the hardware to write back this bit earlier. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1368,9 +1368,6 @@ static int mtk_poll_tx_qdma(struct mtk_e - int mac = 0; - - desc = mtk_qdma_phys_to_virt(ring, desc->txd2); -- if ((desc->txd3 & TX_DMA_OWNER_CPU) == 0) -- break; -- - tx_buf = mtk_desc_to_tx_buf(ring, desc); - if (tx_buf->flags & MTK_TX_FLAGS_FPORT1) - mac = 1; -@@ -2203,7 +2200,7 @@ static int mtk_start_dma(struct mtk_eth - - if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { - mtk_w32(eth, -- MTK_TX_WB_DDONE | MTK_TX_DMA_EN | -+ MTK_TX_DMA_EN | - MTK_TX_BT_32DWORDS | MTK_NDP_CO_PRO | - MTK_RX_DMA_EN | MTK_RX_2B_OFFSET | - MTK_RX_BT_32DWORDS, |