diff options
author | Felix Fietkau <nbd@nbd.name> | 2020-10-24 21:14:16 +0200 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2021-02-16 20:06:51 +0100 |
commit | b10d6044599d8c1fa7fbb2374bcbf30118d39db1 (patch) | |
tree | 3fc84f92c14dfa7178487b71e1b8d63c2b688439 /target/linux/generic/pending-5.10/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch | |
parent | 299b8554183791b325e393c880d32360d7d72f73 (diff) | |
download | upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.tar.gz upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.tar.bz2 upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.zip |
kernel: add linux 5.10 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/pending-5.10/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch')
-rw-r--r-- | target/linux/generic/pending-5.10/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch b/target/linux/generic/pending-5.10/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch new file mode 100644 index 0000000000..4c61951d77 --- /dev/null +++ b/target/linux/generic/pending-5.10/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch @@ -0,0 +1,35 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Fri, 4 Sep 2020 18:14:05 +0200 +Subject: [PATCH] net: ethernet: mtk_eth_soc: avoid rearming interrupt if + napi_complete returns false + +Reduces unnecessary interrupts + +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 +@@ -1519,8 +1519,8 @@ 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; + } +@@ -1553,8 +1553,9 @@ 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; + } |