Re: [PATCH 2/4] ARM: dts: qcom: apq8074-dragonboard: Set DMA as remotely controlled

[Konrad Dybcio <konrad.dybcio@linaro.org>]

On 7.05.2023 21:07, Dmitry Baryshkov wrote:
> Add the qcom,controlled-remotely property for the blsp2_bam
> controller node. This board requires this, otherwise the board stalls
> during the boot for some reason (most probably because TZ mishandles the
> protection error and keeps on looping somewhere inside).
> 
> Fixes: 62bc81792223 dts: msm8974: Add blsp2_bam dma node
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
Looks like a common theme.. sony-rhine boards also have the DMA
enabled *and* need this property.. perhaps it's a SoC-wide (or
at least SoC-and-fw-distribution-wide) issue?

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  arch/arm/boot/dts/qcom-apq8074-dragonboard.dts | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> index 1345df7cbd00..6b047c679370 100644
> --- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> +++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> @@ -23,6 +23,10 @@ &blsp1_uart2 {
>  	status = "okay";
>  };
>  
> +&blsp2_dma {
> +	qcom,controlled-remotely;
> +};
> +
>  &blsp2_i2c5 {
>  	status = "okay";
>  	clock-frequency = <200000>;