From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Konrad Dybcio <konrad.dybcio@linaro.org>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] arm64: dts: qcom: rename AOSS QMP node to pmu
Date: Mon, 12 Dec 2022 14:46:39 +0100 [thread overview]
Message-ID: <e9a61363-a43a-5ee9-80d0-129b9b328040@linaro.org> (raw)
In-Reply-To: <20fcf298-7d91-0458-489d-4fb65cdff380@linaro.org>
On 12/12/2022 14:38, Konrad Dybcio wrote:
>
>
> On 12.12.2022 14:33, Krzysztof Kozlowski wrote:
>> The Always On Subsystem (AOSS) QMP is not a power domain controller
>> since commit 135780456218 ("arm64: dts: qcom: sc7180: Use QMP property
>> to control load state") and few others. In fact, it was never a power
>> domain controller but rather control of power state of remote
>> processors. This power state control is know handled differently, thus
>> the AOSS QMP nodes do not have power-domain-cells:
>>
>> sc7280-idp.dtb: power-controller@c300000: '#power-domain-cells' is a required property
>> From schema: Documentation/devicetree/bindings/power/power-domain.yaml
>>
>> AOSS QMP is an interface to the actuall AOSS subsystem responsible for
>> some of power management functions, thus let's call the nodes as "pmu" -
>> Power Management Unit.
> power-management@ is used on apple and rockchip and pmu is very
> ambiguous (power management or performance measurement unit).
Sure, can be power-management. Samsung uses also pmu, but indeed it is
easy to confuse with PMU counters.
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-12-12 13:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-12 13:32 [PATCH 1/4] arm64: dts: qcom: sc7180: correct SPMI bus address cells Krzysztof Kozlowski
2022-12-12 13:33 ` [PATCH 2/4] arm64: dts: qcom: sc7280: " Krzysztof Kozlowski
2022-12-12 13:35 ` Konrad Dybcio
2022-12-12 19:06 ` Stephen Boyd
2022-12-12 13:33 ` [PATCH 3/4] arm64: dts: qcom: sc8280xp: " Krzysztof Kozlowski
2022-12-12 13:36 ` Konrad Dybcio
2022-12-12 19:07 ` Stephen Boyd
2022-12-13 8:12 ` Johan Hovold
2022-12-12 13:33 ` [PATCH 4/4] arm64: dts: qcom: rename AOSS QMP node to pmu Krzysztof Kozlowski
2022-12-12 13:38 ` Konrad Dybcio
2022-12-12 13:46 ` Krzysztof Kozlowski [this message]
2022-12-12 19:08 ` Stephen Boyd
2022-12-13 7:54 ` Krzysztof Kozlowski
2022-12-12 13:35 ` [PATCH 1/4] arm64: dts: qcom: sc7180: correct SPMI bus address cells Konrad Dybcio
2022-12-12 13:44 ` Krzysztof Kozlowski
2022-12-12 19:06 ` Stephen Boyd
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=e9a61363-a43a-5ee9-80d0-129b9b328040@linaro.org \
--to=krzysztof.kozlowski@linaro.org \
--cc=agross@kernel.org \
--cc=andersson@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=konrad.dybcio@linaro.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robh+dt@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).