6.5-stable review patch. If anyone has any objections, please let me know.
------------------
From: David Heidelberg <david@xxxxxxx>
[ Upstream commit 197ae69d1caedb3203e0b189a39efb820675fd5c ]
Cheza firmware doesn't allow controlling LMh from the operating system.
Fixes: 36c6581214c4 ("arm64: dts: qcom: sdm845: Add support for LMh node")
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: David Heidelberg <david@xxxxxxx>
Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230912071205.11502-2-david@xxxxxxx
Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
index 617be27e79523..74c47a8499a26 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
@@ -143,6 +143,10 @@ panel_in_edp: endpoint {
};
};
+&cpufreq_hw {
+ /delete-property/ interrupts-extended; /* reference to lmh_cluster[01] */
+};
+
&psci {
/delete-node/ power-domain-cpu0;
/delete-node/ power-domain-cpu1;
@@ -275,6 +279,14 @@ &BIG_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
};
+&lmh_cluster0 {
+ status = "disabled";
+};
+
+&lmh_cluster1 {
+ status = "disabled";
+};
+
/*
* Reserved memory changes
*
--
2.42.0
