[PATCH 4.20 86/88] arm64: dts: qcom: msm8998: Extend TZ reserved memory area

From: Greg Kroah-Hartman
Date: Mon Mar 04 2019 - 03:36:59 EST


4.20-stable review patch. If anyone has any objections, please let me know.

------------------

From: Marc Gonzalez <marc.w.gonzalez@xxxxxxx>

commit 6e53330909672bd9a8c9f826e989a5945d9d9fdf upstream.

My console locks up as soon as Linux writes to [88800000,88f00000[
AFAIU, that memory area is reserved for trustzone.

Extend TZ reserved memory range, to prevent Linux from stepping on
trustzone's toes.

Cc: stable@xxxxxxxxxxxxxxx # 4.20+
Reviewed-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
Fixes: c7833949564ec ("arm64: dts: qcom: msm8998: Add smem related nodes")
Signed-off-by: Marc Gonzalez <marc.w.gonzalez@xxxxxxx>
Signed-off-by: Andy Gross <andy.gross@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
arch/arm64/boot/dts/qcom/msm8998.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -36,7 +36,7 @@
};

memory@86200000 {
- reg = <0x0 0x86200000 0x0 0x2600000>;
+ reg = <0x0 0x86200000 0x0 0x2d00000>;
no-map;
};