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path: root/target/linux/mediatek/patches-5.15/722-remove-300Hz-to-prevent-freeze.patch
blob: 52069496ca822bc412fe26daefb35f1731278bb7 (plain)
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--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -23,11 +23,17 @@
 	cpu_opp_table: opp-table {
 		compatible = "operating-points-v2";
 		opp-shared;
-		opp-300000000 {
-			opp-hz = /bits/ 64 <300000000>;
-			opp-microvolt = <950000>;
-		};
-
+		/* Due to the bug described at the link below, remove the 300 MHz clock to avoid a low
+		 * voltage condition that can cause a hang when rebooting the RT3200/E8450.
+		 *
+		 * https://forum.openwrt.org/t/belkin-rt3200-linksys-e8450-wifi-ax-discussion/94302/1490
+		 *
+		 * opp-300000000 {
+		 *	opp-hz = /bits/ 64 <300000000>;
+		 *	opp-microvolt = <950000>;
+		 * };
+		 *
+		 */
 		opp-437500000 {
 			opp-hz = /bits/ 64 <437500000>;
 			opp-microvolt = <1000000>;