diff --git a/target/linux/ipq806x/files-4.19/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts b/target/linux/ipq806x/files-4.19/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts
index d757cd8085..aafed0915c 100644
--- a/target/linux/ipq806x/files-4.19/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts
+++ b/target/linux/ipq806x/files-4.19/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts
@@ -34,6 +34,14 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	cpus {
+		idle-states {
+			CPU_SPC: spc {
+				status = "disabled";
+			};
+		};
+	};
+
 	soc {
 		pinmux@800000 {
 			button_pins: button_pins {
diff --git a/target/linux/ipq806x/files-5.4/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts b/target/linux/ipq806x/files-5.4/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts
index e75d884141..f06eb78445 100644
--- a/target/linux/ipq806x/files-5.4/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts
+++ b/target/linux/ipq806x/files-5.4/arch/arm/boot/dts/qcom-ipq8064-mtfi-m520.dts
@@ -32,6 +32,14 @@
 		bootargs = "root=/dev/mmcblk0p3 rootfstype=squashfs,ext4 rootwait noinitrd";
 	};
 
+	cpus {
+		idle-states {
+			CPU_SPC: spc {
+				status = "disabled";
+			};
+		};
+	};
+
 	keys {
 		compatible = "gpio-keys";
 		pinctrl-0 = <&button_pins>;