kernel: 5.4: fix .patch file extension

File extension was truncated for
pending-5.4/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.pa

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 35 insertions, 0 deletions

diff --git a/target/linux/generic/pending-5.4/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch b/target/linux/generic/pending-5.4/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.patch
new file mode 100644
index 0000000000..e56799eb16
--- /dev/null
+++ b/target/linux/generic/pending-5.4/770-11-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
+@@ -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;
+ }