linux-kernel - Re: [PATCH V3] arm64: defconfig: Enable scm download mode config for IPQ Targets

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Date:   Wed, 8 Feb 2023 13:42:54 -0800
From:   Bjorn Andersson <andersson@...nel.org>
To:     Poovendhan Selvaraj <quic_poovendh@...cinc.com>
Cc:     agross@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, lee@...nel.org,
        mturquette@...libre.com, sboyd@...nel.org,
        jassisinghbrar@...il.com, catalin.marinas@....com, will@...nel.org,
        shawnguo@...nel.org, arnd@...db.de, marcel.ziswiler@...adex.com,
        robimarko@...il.com, dmitry.baryshkov@...aro.org,
        nfraprado@...labora.com, broonie@...nel.org,
        quic_gurus@...cinc.com, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        quic_srichara@...cinc.com, quic_gokulsri@...cinc.com,
        quic_sjaganat@...cinc.com, quic_kathirav@...cinc.com,
        quic_arajkuma@...cinc.com, quic_anusha@...cinc.com,
        quic_devipriy@...cinc.com
Subject: Re: [PATCH V3] arm64: defconfig: Enable scm download mode config for
 IPQ Targets

On Wed, Feb 08, 2023 at 11:03:31AM +0530, Poovendhan Selvaraj wrote:
> Enabling the download mode config by default as the IPQ Targets use
> crashdump feature extensively to debug crashes.
> 

No thanks.

You can pass qcom_scm.download_mode=1 on the kernel command line to turn
this on dynamically when you want it. There's no reason to attempt
enabling download mode on every Qualcomm board running the upstream
kernel.

Regards,
Bjorn

> Signed-off-by: Poovendhan Selvaraj <quic_poovendh@...cinc.com>
> ---
>  Changes in V3:
> 	- Updated the commit message
> 
>  arch/arm64/configs/defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 37a60df14e1d..42c9ccdbf0dc 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -258,6 +258,7 @@ CONFIG_ARM_SCPI_PROTOCOL=y
>  CONFIG_RASPBERRYPI_FIRMWARE=y
>  CONFIG_INTEL_STRATIX10_SERVICE=y
>  CONFIG_INTEL_STRATIX10_RSU=m
> +CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT=y
>  CONFIG_EFI_CAPSULE_LOADER=y
>  CONFIG_IMX_SCU=y
>  CONFIG_IMX_SCU_PD=y
> -- 
> 2.17.1
>