linux-kernel - Re: [PATCH 1/2] ARM: dts: qcom: use qcom,gsi-loader for IPA

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Date:   Sat, 31 Dec 2022 12:52:22 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Alex Elder <elder@...aro.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, andersson@...nel.org,
        agross@...nel.org
Cc:     caleb.connolly@...aro.org, mka@...omium.org, evgreen@...omium.org,
        quic_cpratapa@...cinc.com, quic_avuyyuru@...cinc.com,
        quic_jponduru@...cinc.com, quic_subashab@...cinc.com,
        elder@...nel.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: qcom: use qcom,gsi-loader for IPA



On 31.12.2022 01:27, Alex Elder wrote:
> Depending on the platform, either the modem or the AP must load GSI
> firmware for IPA before it can be used.  To date, this has been
> indicated by the presence or absence of a "modem-init" property.
> 
> That mechanism has been deprecated.  Instead, we indicate how GSI
> firmware should be loaded by the value of the "qcom,gsi-loader"
> property.
> 
> Update all ARM platforms that use IPA to use the "qcom,gsi-loader"
> property to specify how the GSI firmware is loaded.
> 
> Update the affected nodes so the status property is last.
> 
> Signed-off-by: Alex Elder <elder@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  arch/arm/boot/dts/qcom-sdx55-t55.dts             | 4 ++--
>  arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx55-t55.dts b/arch/arm/boot/dts/qcom-sdx55-t55.dts
> index 7ed8feb99afbe..61ac5f54cd57d 100644
> --- a/arch/arm/boot/dts/qcom-sdx55-t55.dts
> +++ b/arch/arm/boot/dts/qcom-sdx55-t55.dts
> @@ -237,9 +237,9 @@ &blsp1_uart3 {
>  };
>  
>  &ipa {
> -	status = "okay";
> -
> +	qcom,gsi-loader = "self";
>  	memory-region = <&ipa_fw_mem>;
> +	status = "okay";
>  };
>  
>  &qpic_bam {
> diff --git a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
> index ac8b4626ae9ac..c9c1f7da1261b 100644
> --- a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
> +++ b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
> @@ -237,9 +237,9 @@ &blsp1_uart3 {
>  };
>  
>  &ipa {
> -	status = "okay";
> -
> +	qcom,gsi-loader = "self";
>  	memory-region = <&ipa_fw_mem>;
> +	status = "okay";
>  };
>  
>  &pcie0_phy {