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Message-Id: <20220602174213.2737-1-sven@svenpeter.dev>
Date:   Thu,  2 Jun 2022 19:42:12 +0200
From:   Sven Peter <sven@...npeter.dev>
To:     Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] arm64: dts: apple: Re-parent ANS2 power domains

From: Hector Martin <marcan@...can.st>

Turns out that the APCIE_ST*_SYS domains do hard-depend on ANS2, so
without this they refuse to power up.

Signed-off-by: Hector Martin <marcan@...can.st>
Reviewed-by: Sven Peter <sven@...npeter.dev>
Signed-off-by: Sven Peter <sven@...npeter.dev>
---
 arch/arm64/boot/dts/apple/t8103-pmgr.dtsi | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi b/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
index fc51bc872468..a6dbb1f485d8 100644
--- a/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
@@ -725,11 +725,6 @@ ps_ans2: power-controller@3f0 {
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = "ans2";
-		/*
-		 * The ADT makes ps_apcie_st depend on ps_ans2 instead, but this
-		 * doesn't make much sense since ANS2 uses APCIE_ST.
-		 */
-		power-domains = <&ps_apcie_st>;
 	};
 
 	ps_gfx: power-controller@3f8 {
@@ -836,7 +831,7 @@ ps_apcie_st: power-controller@418 {
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = "apcie_st";
-		power-domains = <&ps_apcie>;
+		power-domains = <&ps_apcie>, <&ps_ans2>;
 	};
 
 	ps_ane_sys: power-controller@470 {
-- 
2.25.1

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