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From: Chia-I Wu <olvaffe@gmail.com>
Date: Thu, 21 Dec 2023 14:07:15 -0800
Message-ID: <CAPaKu7Rx_tShhmJrwYgnZefaxy37yhms9qoXS9n07+=ohCEZ9w@mail.gmail.com>
Subject: Re: [PATCH] arm64: dts: qcom: sc7280: revert back to PSCI PC mode
To: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: cros-qcom-dts-watchers@chromium.org, Andy Gross <agross@kernel.org>, 
	Bjorn Andersson <andersson@kernel.org>, Rob Herring <robh+dt@kernel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, 
	Ulf Hansson <ulf.hansson@linaro.org>, Maulik Shah <quic_mkshah@quicinc.com>, 
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, 
	linux-kernel@vger.kernel.org
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On Thu, Dec 21, 2023 at 1:55=E2=80=AFPM Konrad Dybcio <konrad.dybcio@linaro=
.org> wrote:
>
> On 21.12.2023 22:48, Chia-I Wu wrote:
> > This effectively reverts 7925ca85e9561 ("arm64: dts: qcom: sc7280: Add
> > power-domains for cpuidle states") for sc7280-herobrine.
> >
> > Fixes: 7925ca85e9561 ("arm64: dts: qcom: sc7280: Add power-domains for =
cpuidle states")
> > Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
> > ---
> 0 explanations?
Ouch.  It's in the comment

+ * Devices that use SC7280 with TrustedFirmware-A
+ * need PSCI PC mode instead of the OSI mode provided
+ * by Qualcomm firmware.

and is similar to the case with sc7180-trogdor.  I can send v2 if necessary=
.

>
> Konrad