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[PATCH] ARM64: dts: meson-gx: Add missing L2 cache node

From: Neil Armstrong <hidden>
Date: 2016-10-05 13:54:14
Also in: linux-amlogic, linux-arm-kernel, lkml
Subsystem: arm/amlogic meson soc support, the rest · Maintainers: Neil Armstrong, Kevin Hilman, Linus Torvalds

In order to remove the boot warning :
[    2.290933] Unable to detect cache hierarchy from DT for CPU 0
And add missing L2 cache hierarchy information, add a simple l2 cache node
and reference it from the A53 cpu nodes.

Signed-off-by: Neil Armstrong <narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
---
 arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 0737056..a6cd953 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -64,6 +64,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 		};
 
 		cpu1: cpu@1 {
@@ -71,6 +72,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x1>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 		};
 
 		cpu2: cpu@2 {
@@ -78,6 +80,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x2>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 		};
 
 		cpu3: cpu@3 {
@@ -85,6 +88,11 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x3>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
+		};
+
+		l2: l2-cache0 {
+			compatible = "cache";
 		};
 	};
 
-- 
1.9.1

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