On an MT7622 system, the kernel complains of not being able to detect the cache
hierarchy of CPU 0. Specify the shared L2 cache node in the device tree, in
order to fix this.
Signed-off-by: Rui Salvaterra <[email protected]>
---
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 6f8cb3ad1e84..3d6eaf6dd078 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -80,6 +80,7 @@ cpu0: cpu@0 {
enable-method = "psci";
clock-frequency = <1300000000>;
cci-control-port = <&cci_control2>;
+ next-level-cache = <&L2>;
};
cpu1: cpu@1 {
@@ -94,6 +95,12 @@ cpu1: cpu@1 {
enable-method = "psci";
clock-frequency = <1300000000>;
cci-control-port = <&cci_control2>;
+ next-level-cache = <&L2>;
+ };
+
+ L2: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
};
};
--
2.36.0