-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
-@@ -1515,8 +1515,8 @@ 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;
- }
-@@ -1549,8 +1549,9 @@ 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;
- }