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Date: Mon, 17 Oct 2022 22:14:33 -0500 From: Bjorn Andersson <andersson@...nel.org> To: robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, agross@...nel.org, quic_rjendra@...cinc.com, konrad.dybcio@...ainline.org Cc: dianders@...omium.org, devicetree@...r.kernel.org, sboyd@...nel.org, linux-kernel@...r.kernel.org, mka@...omium.org, quic_kriskura@...cinc.com, linux-arm-msm@...r.kernel.org Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Add required-opps for USB On Tue, 27 Sep 2022 15:56:46 +0530, Rajendra Nayak wrote: > USB has a requirement to put a performance state vote on 'cx' > while active. Use 'required-opps' to pass this information from > device tree, and since all the GDSCs in GCC (including USB) are > sub-domains of cx, we also add cx as a power-domain for GCC. > Now when any of the consumers of the GDSCs (in this case USB) > votes on a perforamance state, genpd framework can identify that > the GDSC itself does not support a performance state and it > then propogates the vote to the parent, which in this case is cx. > > [...] Applied, thanks! [1/1] arm64: dts: qcom: sc7180: Add required-opps for USB commit: 5d6fc6321db1b0ea4df0c4654ccb0432f740fcf4 Best regards, -- Bjorn Andersson <andersson@...nel.org>
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