linux-kernel - [PATCH 03/15] arm64: dts: qcom: msm8992-libra: Temporarily restrict CPU count to 1

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Date:   Sat, 19 Mar 2022 18:46:33 +0100
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 03/15] arm64: dts: qcom: msm8992-libra: Temporarily restrict CPU count to 1

The phone seems to randomly crash when more than 1 CPU is enabled, which
is probably related to lack of some driver.

Restrict the device to only use a single core until this is solved.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts b/arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts
index 6371719aacc5..7a6ed8b017d1 100644
--- a/arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts
+++ b/arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts
@@ -23,7 +23,7 @@ / {
 
 	/* This enables graphical output via bootloader-enabled display */
 	chosen {
-		bootargs = "earlycon=tty0 console=tty0";
+		bootargs = "earlycon=tty0 console=tty0 maxcpus=1";
 
 		#address-cells = <2>;
 		#size-cells = <2>;
-- 
2.35.1