linux-kernel - [PATCH 1/6] arm64: dts: qcom: x1e78100-t14s: fix nvme regulator boot glitch

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Message-ID: <20241016145112.24785-2-johan+linaro@kernel.org>
Date: Wed, 16 Oct 2024 16:51:07 +0200
From: Johan Hovold <johan+linaro@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Abel Vesa <abel.vesa@...aro.org>,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 1/6] arm64: dts: qcom: x1e78100-t14s: fix nvme regulator boot glitch

The NVMe regulator has been left enabled by the boot firmware. Mark it
as such to avoid disabling the regulator temporarily during boot.

Fixes: 7d1cbe2f4985 ("arm64: dts: qcom: Add X1E78100 ThinkPad T14s Gen 6")
Cc: Konrad Dybcio <konradybcio@...nel.org>
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
index 941dfddd6713..fdde988ae01e 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
@@ -139,6 +139,8 @@ vreg_nvme: regulator-nvme {
 
 		pinctrl-0 = <&nvme_reg_en>;
 		pinctrl-names = "default";
+
+		regulator-boot-on;
 	};
 
 	vph_pwr: regulator-vph-pwr {
-- 
2.45.2