+++ /dev/null
-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>;
- };
-@@ -938,6 +938,8 @@
- power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>;
- mediatek,ethsys = <ðsys>;
- mediatek,sgmiisys = <&sgmiisys>;
-+ mediatek,cci-control = <&cci_control2>;
-+ dma-coherent;
- #address-cells = <1>;
- #size-cells = <0>;
- status = "disabled";