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Message-Id: <20221107155825.1644604-5-pierre.gondois@arm.com>
Date: Mon, 7 Nov 2022 16:56:57 +0100
From: Pierre Gondois <pierre.gondois@....com>
To: linux-kernel@...r.kernel.org
Cc: Pierre Gondois <pierre.gondois@....com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Florian Fainelli <f.fainelli@...il.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@...adcom.com>,
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Tsahee Zidenberg <tsahee@...apurnalabs.com>,
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Brijesh Singh <brijeshkumar.singh@....com>,
Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
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Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Khuong Dinh <khuong@...amperecomputing.com>,
Liviu Dudau <liviu.dudau@....com>,
Sudeep Holla <sudeep.holla@....com>,
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Wei Xu <xuwei5@...ilicon.com>, Chanho Min <chanho.min@....com>,
Andrew Lunn <andrew@...n.ch>,
Gregory Clement <gregory.clement@...tlin.com>,
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Steen Hegelund <Steen.Hegelund@...rochip.com>,
Daniel Machon <daniel.machon@...rochip.com>,
UNGLinuxDriver@...rochip.com, Avi Fishman <avifishman70@...il.com>,
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Tali Perry <tali.perry1@...il.com>,
Patrick Venture <venture@...gle.com>,
Nancy Yuen <yuenn@...gle.com>,
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devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
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linux-amlogic@...ts.infradead.org,
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Subject: [PATCH v2 04/23] arm64: dts: Update cache properties for apm
The DeviceTree Specification v0.3 specifies that the cache node
'compatible' and 'cache-level' properties are 'required'. Cf.
s3.8 Multi-level and Shared Cache Nodes
The 'cache-unified' property should be present if one of the
properties for unified cache is present ('cache-size', ...).
Update the Device Trees accordingly.
Signed-off-by: Pierre Gondois <pierre.gondois@....com>
---
arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 4 ++++
arch/arm64/boot/dts/apm/apm-storm.dtsi | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
index a8526f8157ec..68ba865fcd58 100644
--- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
@@ -97,15 +97,19 @@ cpu@301 {
};
xgene_L2_0: l2-cache-0 {
compatible = "cache";
+ cache-level = <2>;
};
xgene_L2_1: l2-cache-1 {
compatible = "cache";
+ cache-level = <2>;
};
xgene_L2_2: l2-cache-2 {
compatible = "cache";
+ cache-level = <2>;
};
xgene_L2_3: l2-cache-3 {
compatible = "cache";
+ cache-level = <2>;
};
};
diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index f56d687f772d..9ac7417f65eb 100644
--- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
@@ -81,15 +81,19 @@ cpu@301 {
};
xgene_L2_0: l2-cache-0 {
compatible = "cache";
+ cache-level = <2>;
};
xgene_L2_1: l2-cache-1 {
compatible = "cache";
+ cache-level = <2>;
};
xgene_L2_2: l2-cache-2 {
compatible = "cache";
+ cache-level = <2>;
};
xgene_L2_3: l2-cache-3 {
compatible = "cache";
+ cache-level = <2>;
};
};
--
2.25.1
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