From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Johan Hovold <johan+linaro@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>
Cc: 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
Subject: Re: [PATCH 0/8] arm64: dts: qcom: x1e: mark l12b and l15b always-on
Date: Tue, 4 Mar 2025 18:07:32 +0100 [thread overview]
Message-ID: <e6dc86bb-1dd1-486e-8e3e-18974da6cf86@oss.qualcomm.com> (raw)
In-Reply-To: <20250227081357.25971-1-johan+linaro@kernel.org>
On 27.02.2025 9:13 AM, Johan Hovold 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.
>
> Mark the regulators as always-on to prevent them from being disabled,
> for example, when consumers probe defer or suspend.
>
> Note that there are likely votes from other processors for these rpmh
> regulators (at least for l15b) but the OS should not rely on that in any
> case.
>
> Included is also a patch that adds the missing HID supplies for the
> T14s. It was a corresponding change for the CRD that made me look into
> this to make sure these supplies were not disabled during suspend or on
> probe deferrals.
>
> Johan
This looks good, too bad SL7 was left out :( I'll take care of that
myself
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2025-03-04 17:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-27 8:13 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
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 ` Konrad Dybcio [this message]
2025-03-05 8:30 ` [PATCH 0/8] arm64: dts: qcom: x1e: mark l12b and l15b always-on Johan Hovold
2025-03-17 2:55 ` Bjorn Andersson
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