linux-kernel - Re: [PATCH] arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc

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Message-ID: <20210108055318.GU2771@vkoul-mobl>
Date:   Fri, 8 Jan 2021 11:23:18 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc

On 21-12-20, 16:11, Bjorn Andersson wrote:
> The GCC_LPASS_Q6_AXI_CLK and GCC_LPASS_SWAY_CLK clocks may not be
> touched on a typical UEFI based SDM845 device, but when the kernel is
> built with CONFIG_SDM_LPASSCC_845 this happens, unless they are marked
> as protected-clocks in the DT.
> 
> This was done for the MTP and the Pocophone, but not for DB845c and the
> Lenovo Yoga C630 - causing these to fail to boot if the LPASS clock
> controller is enabled (which it typically isn't).

Reviewed-by: Vinod Koul <vkoul@...nel.org>
Tested-by: Vinod Koul <vkoul@...nel.org> #on db845c

-- 
~Vinod