linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7180: Add required-opps for USB

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Message-Id: <166606235842.3553294.14845104148907454767.b4-ty@kernel.org>
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>