arm64: dts: qcom: sdm845: cheza doesn't support LMh node

[ 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@linaro.org>
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20230912071205.11502-2-david@ixit.cz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
index b5f11fb..a5c0c78 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
@@ -145,6 +145,10 @@
        };
 };
 
+&cpufreq_hw {
+       /delete-property/ interrupts-extended; /* reference to lmh_cluster[01] */
+};
+
 &psci {
        /delete-node/ cpu0;
        /delete-node/ cpu1;
@@ -277,6 +281,14 @@
                           &CLUSTER_SLEEP_0>;
 };
 
+&lmh_cluster0 {
+       status = "disabled";
+};
+
+&lmh_cluster1 {
+       status = "disabled";
+};
+
 /*
  * Reserved memory changes
  *