From: David Heidelberg <david@ixit.cz>
Date: Tue, 12 Sep 2023 07:12:04 +0000 (+0530)
Subject: arm64: dts: qcom: sdm845: cheza doesn't support LMh node
X-Git-Tag: v6.1.68~984
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=426d3c7c72a2e76d58f4298bea147107d5aadcaf;p=platform%2Fkernel%2Flinux-starfive.git

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
--- 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
  *