lede/target/linux/generic/backport-5.10/610-v5.13-48-net-ethernet-mtk_eth_soc-reduce-unnecessary-interrup.patch
Beginner ddc2b246d7
kernel: bump 5.10 to 5.10.125 (#9656)
* kernel: bump 5.10 to 5.10.121

Manually rebased:
    oxnas/patches-5.10/100-oxnas-clk-plla-pllb.patch

All other patches automatically rebased.

Build system: x86_64
Build-tested: ipq806x/R7800

Signed-off-by: John Audia <therealgraysky@proton.me>

* kernel: bump 5.10 to 5.10.122

All patches automatically rebased.

Build system: x86_64
Build-tested: ipq806x/R7800

Signed-off-by: John Audia <therealgraysky@proton.me>

* kernel: bump 5.10 to 5.10.123

No patches required a rebase, just updated checksum.

Build system: x86_64
Build-tested: ipq806x/R7800

Signed-off-by: John Audia <therealgraysky@proton.me>

* kernel: bump 5.10 to 5.10.124

All patches automatically rebased.

Build system: x86_64
Build-tested: ipq806x/R7800

Signed-off-by: John Audia <therealgraysky@proton.me>

* kernel: bump 5.10 to 5.10.125

All patches automatically rebased.

Build system: x86_64
Build-tested: ipq806x/R7800

Signed-off-by: John Audia <therealgraysky@proton.me>

Co-authored-by: John Audia <therealgraysky@proton.me>
2022-06-27 17:02:35 +08:00

40 lines
1.2 KiB
Diff

From 16769a8923fad5a5377253bcd76b0e0d64976c73 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 22 Apr 2021 22:21:05 -0700
Subject: [PATCH] net: ethernet: mtk_eth_soc: reduce unnecessary interrupts
Avoid rearming interrupt if napi_complete returns false
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1554,8 +1554,8 @@ static int mtk_napi_tx(struct napi_struc
if (status & MTK_TX_DONE_INT)
return budget;
- napi_complete(napi);
- mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
+ if (napi_complete(napi))
+ mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
return tx_done;
}
@@ -1588,8 +1588,9 @@ poll_again:
remain_budget -= rx_done;
goto poll_again;
}
- napi_complete(napi);
- mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
+
+ if (napi_complete(napi))
+ mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
return rx_done + budget - remain_budget;
}