linux-kernel - Re: [PATCH] arm64: dts: sdm845: Add lpasscc node

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Message-ID: <154765774593.169631.13437519610171417596@swboyd.mtv.corp.google.com>
Date:   Wed, 16 Jan 2019 08:55:45 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Taniya Das <tdas@...eaurora.org>
Cc:     Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, david.brown@...aro.org,
        Mark Rutland <mark.rutland@....com>, linux-soc@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: sdm845: Add lpasscc node

Quoting Bjorn Andersson (2019-01-15 22:09:10)
> On Wed 05 Dec 00:00 PST 2018, Taniya Das wrote:
> 
> > This adds the low pass audio clock controller node to sdm845 based on
> > the example in the bindings.
> > 
> 
> Applying this causes my MTP to reboot as clk_disable_unused() tries to
> disable "lpass_qdsp6ss_core_clk". Am I missing something?
> 

Probably you need this patch[1] so that this "essential" clk isn't
turned off during clk late init.

[1] https://lkml.kernel.org/r/1545306385-31240-1-git-send-email-tdas@codeaurora.org