HACK: dt: Shuffle MCA power domains

It appears that specifying more than one power-domain in the MCA node in devicetree doesn't work with the power-management-naive MCA driver. Work around that by putting up some fabulated parent-child relationships to have the kernel enable all the MCA power domains.
AsahiLinux · Jan 18, 2022 · ba4afcc · ba4afcc
1 parent 8dd9cda
commit ba4afcc
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diff --git a/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi b/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
@@ -483,7 +483,7 @@
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = "mca0";
-		power-domains = <&ps_audio_p>, <&ps_sio_adma>;
+		power-domains = <&ps_audio_p>, <&ps_sio_adma>, <&ps_mca1>, <&ps_mca2>, <&ps_mca3>, <&ps_mca4>, <&ps_mca5>;
 	};
 
 	ps_mca1: power-controller@2c0 {

diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -639,7 +639,7 @@
 				<0x2 0x38300000 0x0 0x30000>;
 			reg-names = "clusters", "switch";
 			clocks = <&nco 0>, <&nco 1>, <&nco 2>, <&nco 3>;
-			power-domains = <&ps_mca0>;
+			power-domains = <&ps_mca0>; //, <&ps_mca1>, <&ps_mca2>, <&ps_mca3>, <&ps_mca4>, <&ps_mca5>;
 			resets = <&ps_mca0>, <&ps_mca1>, <&ps_mca2>, <&ps_mca3>, <&ps_mca4>, <&ps_mca5>;
 
 			#sound-dai-cells = <1>;