linux-kernel - [PATCH 6.8 098/715] arm64: dts: qcom: qcm6490-fairphone-fp5: Add missing reserved-memory

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Message-ID: <20240324223455.1342824-99-sashal@kernel.org>
Date: Sun, 24 Mar 2024 18:24:37 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Luca Weiss <luca.weiss@...rphone.com>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.8 098/715] arm64: dts: qcom: qcm6490-fairphone-fp5: Add missing reserved-memory

From: Luca Weiss <luca.weiss@...rphone.com>

[ Upstream commit 5dbbe7e0a2b91ac5901ee188724a997004759171 ]

It seems we also need to reserve a region of 81 MiB called "removed_mem"
otherwise we can easily hit the following error with higher RAM usage:

  [ 1467.809274] Internal error: synchronous external abort: 0000000096000010 [#2] SMP

Fixes: eee9602ad649 ("arm64: dts: qcom: qcm6490: Add device-tree for Fairphone 5")
Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Link: https://lore.kernel.org/r/20231229-fp5-reserved-mem-v1-1-87bb818f1397@fairphone.com
Signed-off-by: Bjorn Andersson <andersson@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
index 176898c9dbbd7..1e85c43a6fd14 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
@@ -82,6 +82,11 @@ cdsp_mem: cdsp@...00000 {
 			no-map;
 		};
 
+		removed_mem: removed@...00000 {
+			reg = <0x0 0xc0000000 0x0 0x5100000>;
+			no-map;
+		};
+
 		rmtfs_mem: memory@...00000 {
 			compatible = "qcom,rmtfs-mem";
 			reg = <0x0 0xf8500000 0x0 0x600000>;
-- 
2.43.0