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author | Luka Perkov <luka.perkov@sartura.hr> | 2016-06-23 13:57:21 +0200 |
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committer | GitHub <noreply@github.com> | 2016-06-23 13:57:21 +0200 |
commit | 282b917e47d9ae5017e1e426face9b75cb7aabd0 (patch) | |
tree | 3284ca2d20d9c8d7a4563c6446675c1ecf3feac2 /target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch | |
parent | 34d432b05312de6d9575c559db8209809489096d (diff) | |
parent | 441a9c879ba6562ea9f431cf33bbb0c0400d5fd0 (diff) | |
download | master-187ad058-282b917e47d9ae5017e1e426face9b75cb7aabd0.tar.gz master-187ad058-282b917e47d9ae5017e1e426face9b75cb7aabd0.tar.bz2 master-187ad058-282b917e47d9ae5017e1e426face9b75cb7aabd0.zip |
Merge pull request #11 from wigyori/master
pull req for 4.4.12, ar71xx/mediatek updates, package upgrades
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch')
-rw-r--r-- | target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch b/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch new file mode 100644 index 0000000000..cd4bdf8fa4 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch @@ -0,0 +1,39 @@ +From 5077ac38a86023124ebbe24cd1b7ecbd0f8edaff Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 03:06:59 +0200 +Subject: [PATCH 086/102] net-next: mediatek: add next data pointer coherency + protection + +The QDMA engine can fail to update the register pointing to the next TX +descriptor if this bit does not get set in the QDMA configuration register. +Not setting this bit can result in invalid values inside the TX rings +registers which will causes TX stalls. + +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + + 2 files changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1292,7 +1292,7 @@ static int mtk_start_dma(struct mtk_eth + mtk_w32(eth, + MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN | + MTK_RX_2B_OFFSET | MTK_DMA_SIZE_16DWORDS | +- MTK_RX_BT_32DWORDS, ++ MTK_RX_BT_32DWORDS | MTK_NDP_CO_PRO, + MTK_QDMA_GLO_CFG); + + return 0; +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -91,6 +91,7 @@ + #define MTK_QDMA_GLO_CFG 0x1A04 + #define MTK_RX_2B_OFFSET BIT(31) + #define MTK_RX_BT_32DWORDS (3 << 11) ++#define MTK_NDP_CO_PRO BIT(10) + #define MTK_TX_WB_DDONE BIT(6) + #define MTK_DMA_SIZE_16DWORDS (2 << 4) + #define MTK_RX_DMA_BUSY BIT(3) |