Patch "arm64: dts: mediatek: mt7622: add support for coherent DMA" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    arm64: dts: mediatek: mt7622: add support for coherent DMA

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     arm64-dts-mediatek-mt7622-add-support-for-coherent-d.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit b5d40a405c2004e910cf698cb07c057071cb1f39
Author: Felix Fietkau <nbd@xxxxxxxx>
Date:   Tue Apr 5 21:57:44 2022 +0200

    arm64: dts: mediatek: mt7622: add support for coherent DMA
    
    [ Upstream commit 3abd063019b6a01762f9fccc39505f29d029360a ]
    
    It improves performance by eliminating the need for a cache flush on rx and tx
    
    Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
    Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
    Stable-dep-of: 3ba5a6159434 ("arm64: dts: mediatek: mt7622: fix clock controllers")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 884930a5849a2..07b4d3ba55612 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -357,7 +357,7 @@ cci_control1: slave-if@4000 {
 		};
 
 		cci_control2: slave-if@5000 {
-			compatible = "arm,cci-400-ctrl-if";
+			compatible = "arm,cci-400-ctrl-if", "syscon";
 			interface-type = "ace";
 			reg = <0x5000 0x1000>;
 		};
@@ -937,6 +937,8 @@ eth: ethernet@1b100000 {
 		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";




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