linux-kernel - Re: [PATCH V2 2/2] arm64: dts: qcom: sc7180: Remove QUP-CORE ICC path

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Message-ID: <YFOLR4pem0mRFkoQ@google.com>
Date:   Thu, 18 Mar 2021 10:17:59 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Roja Rani Yarubandi <rojay@...eaurora.org>
Cc:     agross@...nel.org, bjorn.andersson@...aro.org,
        gregkh@...uxfoundation.org, robh+dt@...nel.org,
        linux-serial@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>,
        akashast@...eaurora.org, msavaliy@....qualcomm.com
Subject: Re: [PATCH V2 2/2] arm64: dts: qcom: sc7180: Remove QUP-CORE ICC path

On Thu, Mar 18, 2021 at 04:40:09PM +0530, Roja Rani Yarubandi wrote:
> We had introduced the QUP-CORE ICC path to put proxy votes from
> QUP wrapper on behalf of earlycon, if other users of QUP-CORE turn
> off this clock before the real console is probed, unclocked access
> to HW was seen from earlycon.
> 
> With ICC sync state support proxy votes are no longer need as ICC
> will ensure that the default bootloader votes are not removed until
> all it's consumer are probed.
> 
> We can safely remove ICC path for QUP-CORE clock from QUP wrapper
> device.
> 
> Signed-off-by: Roja Rani Yarubandi <rojay@...eaurora.org>
> Signed-off-by: Akash Asthana <akashast@...eaurora.org>

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>