From: Johan Hovold <johan@kernel.org>
To: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Cc: Johan Hovold <johan+linaro@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH 4/8] arm64: dts: qcom: x1e80100-dell-xps13-9345: mark l12b and l15b always-on
Date: Wed, 5 Mar 2025 09:46:34 +0100 [thread overview]
Message-ID: <Z8gPaoqLiC_b2s3I@hovoldconsulting.com> (raw)
In-Reply-To: <CAMcHhXp2im-55KxwSUj0pV_hmrg-HaV5RYB4jvPOoqOYjJuCYw@mail.gmail.com>
On Sun, Mar 02, 2025 at 11:04:03PM +0100, Aleksandrs Vinarskis wrote:
> On Thu, 27 Feb 2025 at 09:15, Johan Hovold <johan+linaro@kernel.org> wrote:
> >
> > The l12b and l15b supplies are used by components that are not (fully)
> > described (and some never will be) and must never be disabled.
>
> Out of curiosity, what are these components?
A host of things, including pull-ups, level shifters, regulators for
(partially) described devices, but also things like the speakers and
wlan.
> > Mark the regulators as always-on to prevent them from being disabled,
> > for example, when consumers probe defer or suspend.
> >
> > Note that these supplies currently have no consumers described in
> > mainline.
Johan
next prev parent reply other threads:[~2025-03-05 8:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-27 8:13 [PATCH 0/8] arm64: dts: qcom: x1e: " Johan Hovold
2025-02-27 8:13 ` [PATCH 1/8] arm64: dts: qcom: x1e80100-crd: " Johan Hovold
2025-02-27 8:13 ` [PATCH 2/8] arm64: dts: qcom: x1e78100-t14s: " Johan Hovold
2025-02-27 8:13 ` [PATCH 3/8] arm64: dts: qcom: x1e001de-devkit: " Johan Hovold
2025-02-27 8:13 ` [PATCH 4/8] arm64: dts: qcom: x1e80100-dell-xps13-9345: " Johan Hovold
2025-03-02 22:04 ` Aleksandrs Vinarskis
2025-03-04 17:03 ` Konrad Dybcio
2025-03-05 8:46 ` Johan Hovold [this message]
2025-02-27 8:13 ` [PATCH 5/8] arm64: dts: qcom: x1e80100-hp-x14: " Johan Hovold
2025-02-27 8:13 ` [PATCH 6/8] arm64: dts: qcom: x1e80100-yoga-slim7x: " Johan Hovold
2025-02-27 8:13 ` [PATCH 7/8] arm64: dts: qcom: x1e80100-qcp: " Johan Hovold
2025-02-27 8:13 ` [PATCH 8/8] arm64: dts: qcom: x1e78100-t14s: fix missing HID supplies Johan Hovold
2025-03-04 17:07 ` [PATCH 0/8] arm64: dts: qcom: x1e: mark l12b and l15b always-on Konrad Dybcio
2025-03-05 8:30 ` Johan Hovold
2025-03-17 2:55 ` Bjorn Andersson
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