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From: Stephan Gerhold <stephan@gerhold.net>
To: Bjorn Andersson <andersson@kernel.org>
Cc: Andy Gross <agross@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	~postmarketos/upstreaming@lists.sr.ht,
	Stephan Gerhold <stephan@gerhold.net>
Subject: [PATCH 1/2] arm64: dts: qcom: msm8916: Enable blsp_dma by default
Date: Sat,  7 Jan 2023 12:09:57 +0100	[thread overview]
Message-ID: <20230107110958.5762-2-stephan@gerhold.net> (raw)
In-Reply-To: <20230107110958.5762-1-stephan@gerhold.net>

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>
---
 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 {
-- 
2.39.0


  reply	other threads:[~2023-01-07 11:12 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 ` Stephan Gerhold [this message]
2023-01-07 11:51   ` [PATCH 1/2] arm64: dts: qcom: msm8916: Enable blsp_dma " Konrad Dybcio
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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