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From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Stephan Gerhold <stephan@gerhold.net>,
	Bjorn Andersson <andersson@kernel.org>
Cc: Andy Gross <agross@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	~postmarketos/upstreaming@lists.sr.ht
Subject: Re: [PATCH 1/2] arm64: dts: qcom: msm8916: Enable blsp_dma by default
Date: Sat, 7 Jan 2023 12:51:09 +0100	[thread overview]
Message-ID: <c20125c3-b5a9-daed-1823-689ae3f02bfe@linaro.org> (raw)
In-Reply-To: <20230107110958.5762-2-stephan@gerhold.net>



On 7.01.2023 12:09, Stephan Gerhold wrote:
> Adding the "dmas" to the I2C controllers prevents probing them if 
> blsp_dma is disabled (infinite probe deferral). Avoid this by enabling 
> blsp_dma by default - it's an integral part of the SoC that is almost 
> always used (even if just for UART).
> 
> Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  arch/arm64/boot/dts/qcom/apq8016-sbc.dts | 4 ----
>  arch/arm64/boot/dts/qcom/msm8916.dtsi    | 1 -
>  2 files changed, 5 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dts b/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
> index ef5b39ba1238..c52d79a55d80 100644
> --- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
> +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
> @@ -169,10 +169,6 @@ led@6 {
>  	};
>  };
>  
> -&blsp_dma {
> -	status = "okay";
> -};
> -
>  &blsp_i2c2 {
>  	/* On Low speed expansion */
>  	status = "okay";
> diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> index ffb4ce8935b3..98da982548a1 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> @@ -1522,7 +1522,6 @@ blsp_dma: dma-controller@7884000 {
>  			clock-names = "bam_clk";
>  			#dma-cells = <1>;
>  			qcom,ee = <0>;
> -			status = "disabled";
>  		};
>  
>  		blsp1_uart1: serial@78af000 {

  reply	other threads:[~2023-01-07 11:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-07 11:09 [PATCH 0/2] arm64: dts: qcom: msm8916: Enable DMA by default Stephan Gerhold
2023-01-07 11:09 ` [PATCH 1/2] arm64: dts: qcom: msm8916: Enable blsp_dma " Stephan Gerhold
2023-01-07 11:51   ` Konrad Dybcio [this message]
2023-01-07 11:09 ` [PATCH 2/2] arm64: dts: qcom: msm8916: Add DMA for all I2C controllers Stephan Gerhold
2023-01-07 11:51   ` Konrad Dybcio
2023-01-11 19:49 ` [PATCH 0/2] arm64: dts: qcom: msm8916: Enable DMA by default Bjorn Andersson

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