openwrt/target/linux/generic/pending-5.10/701-01-arm64-dts-mediatek-mt7622-add-support-for-coherent-D.patch
Felix Fietkau 77e123340f mediatek: add patches for MT7622 WED (wireless ethernet dispatch)
This series also contains other improvement for hardware flow offload support

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit 0f029b3d2b)
2022-05-06 19:57:57 +02:00

31 lines
861 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 7 Feb 2022 10:27:22 +0100
Subject: [PATCH] arm64: dts: mediatek: mt7622: add support for coherent
DMA
It improves performance by eliminating the need for a cache flush on rx and tx
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -357,7 +357,7 @@
};
cci_control2: slave-if@5000 {
- compatible = "arm,cci-400-ctrl-if";
+ compatible = "arm,cci-400-ctrl-if", "syscon";
interface-type = "ace";
reg = <0x5000 0x1000>;
};
@@ -936,6 +936,8 @@
power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>;
mediatek,ethsys = <&ethsys>;
mediatek,sgmiisys = <&sgmiisys>;
+ mediatek,cci-control = <&cci_control2>;
+ dma-coherent;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";