* [PATCH 03/20] arm64: dts: Update cache properties for apm
@ 2022-10-31 9:19 Pierre Gondois
0 siblings, 0 replies; only message in thread
From: Pierre Gondois @ 2022-10-31 9:19 UTC (permalink / raw)
To: linux-kernel
Cc: pierre.gondois, Rob.Herring, Khuong Dinh, Rob Herring,
Krzysztof Kozlowski, devicetree
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 recently added init_of_cache_level() function checks
these properties. Add them if missing.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.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
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2022-10-31 9:19 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-10-31 9:19 [PATCH 03/20] arm64: dts: Update cache properties for apm Pierre Gondois
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).