Patch "LoongArch: Fix GMAC's phy-mode definitions in dts" has been added to the 6.9-stable tree

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

    LoongArch: Fix GMAC's phy-mode definitions in dts

to the 6.9-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:
     loongarch-fix-gmac-s-phy-mode-definitions-in-dts.patch
and it can be found in the queue-6.9 subdirectory.

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



commit 17d7ab0442e21926c0c02abc0d15cd76680b9107
Author: Huacai Chen <chenhuacai@xxxxxxxxxx>
Date:   Mon Jun 3 15:45:53 2024 +0800

    LoongArch: Fix GMAC's phy-mode definitions in dts
    
    [ Upstream commit eb36e520f4f1b690fd776f15cbac452f82ff7bfa ]
    
    The GMAC of Loongson chips cannot insert the correct 1.5-2ns delay. So
    we need the PHY to insert internal delays for both transmit and receive
    data lines from/to the PHY device. Fix this by changing the "phy-mode"
    from "rgmii" to "rgmii-id" in dts.
    
    Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
index 8aefb0c126722..a34734a6c3ce8 100644
--- a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
+++ b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
@@ -44,14 +44,14 @@ linux,cma {
 &gmac0 {
 	status = "okay";
 
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	bus_id = <0x0>;
 };
 
 &gmac1 {
 	status = "okay";
 
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	bus_id = <0x1>;
 };
 
diff --git a/arch/loongarch/boot/dts/loongson-2k1000-ref.dts b/arch/loongarch/boot/dts/loongson-2k1000-ref.dts
index ed4d324340411..aaf41b565805a 100644
--- a/arch/loongarch/boot/dts/loongson-2k1000-ref.dts
+++ b/arch/loongarch/boot/dts/loongson-2k1000-ref.dts
@@ -43,7 +43,7 @@ linux,cma {
 &gmac0 {
 	status = "okay";
 
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&phy0>;
 	mdio {
 		compatible = "snps,dwmac-mdio";
@@ -58,7 +58,7 @@ phy0: ethernet-phy@0 {
 &gmac1 {
 	status = "okay";
 
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&phy1>;
 	mdio {
 		compatible = "snps,dwmac-mdio";
diff --git a/arch/loongarch/boot/dts/loongson-2k2000-ref.dts b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
index 74b99bd234cc3..ea9e6985d0e9f 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
+++ b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
@@ -92,7 +92,7 @@ phy1: ethernet-phy@1 {
 &gmac2 {
 	status = "okay";
 
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&phy2>;
 	mdio {
 		compatible = "snps,dwmac-mdio";




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