diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 7ba4882..7ac9806 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -155,7 +155,7 @@
 		wocpu_data: wocpu_data@4FE00000 {
 			compatible = "mediatek,wocpu_data";
 			no-map;
-			reg = <0 0x4FD80000 0 0x200000>;
+			reg = <0 0x4FD80000 0 0x240000>;
 			shared = <1>;
 		};
 	};
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi
index fd65f00..0698675 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi
@@ -155,7 +155,7 @@
 		wocpu_data: wocpu_data@4FE00000 {
 			compatible = "mediatek,wocpu_data";
 			no-map;
-			reg = <0 0x4FD80000 0 0x200000>;
+			reg = <0 0x4FD80000 0 0x240000>;
 			shared = <1>;
 		};
 	};