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da77b9c2f1
Deleted (reverse-appliable): generic/pending-5.10/110-perf-jevents-fix-getting-maximum-number-of-fds.patch Manually refreshed: ramips/patches-5.10/835-asoc-add-mt7620-support.patch Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From 16769a8923fad5a5377253bcd76b0e0d64976c73 Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Thu, 22 Apr 2021 22:21:05 -0700
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Subject: [PATCH] net: ethernet: mtk_eth_soc: reduce unnecessary interrupts
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Avoid rearming interrupt if napi_complete returns false
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/mediatek/mtk_eth_soc.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -1540,8 +1540,8 @@ static int mtk_napi_tx(struct napi_struc
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if (status & MTK_TX_DONE_INT)
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return budget;
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- napi_complete(napi);
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- mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
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+ if (napi_complete(napi))
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+ mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
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return tx_done;
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}
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@@ -1574,8 +1574,9 @@ poll_again:
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remain_budget -= rx_done;
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goto poll_again;
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}
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- napi_complete(napi);
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- mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
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+
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+ if (napi_complete(napi))
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+ mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
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return rx_done + budget - remain_budget;
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}
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