linux-kernel - [PATCH 5.4 249/344] arm64: dts: ti: k3-j721e-main: Add missing power-domains for smmu

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Date:   Fri, 21 Feb 2020 08:40:48 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Suman Anna <s-anna@...com>,
        Lokesh Vutla <lokeshvutla@...com>,
        Tero Kristo <t-kristo@...com>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 249/344] arm64: dts: ti: k3-j721e-main: Add missing power-domains for smmu

From: Lokesh Vutla <lokeshvutla@...com>

[ Upstream commit 3f03a58b25753843ce9e4511e9e246c51bd11011 ]

Add power-domains entry for smmu, so that the it is accessible as long
as the driver is active. Without this device shutdown is throwing the
below warning:
"[   44.736348] arm-smmu-v3 36600000.smmu: failed to clear cr0"

Reported-by: Suman Anna <s-anna@...com>
Signed-off-by: Lokesh Vutla <lokeshvutla@...com>
Signed-off-by: Tero Kristo <t-kristo@...com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 698ef9a1d5b75..96445111e3985 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -43,6 +43,7 @@
 	smmu0: smmu@...00000 {
 		compatible = "arm,smmu-v3";
 		reg = <0x0 0x36600000 0x0 0x100000>;
+		power-domains = <&k3_pds 229 TI_SCI_PD_EXCLUSIVE>;
 		interrupt-parent = <&gic500>;
 		interrupts = <GIC_SPI 772 IRQ_TYPE_EDGE_RISING>,
 			     <GIC_SPI 768 IRQ_TYPE_EDGE_RISING>;
-- 
2.20.1