linux-kernel - [PATCH AUTOSEL 5.6 062/606] arm64: dts: imx8mn: Change SDMA1 ahb clock for imx8mn

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Message-Id: <20200608231211.3363633-62-sashal@kernel.org>
Date:   Mon,  8 Jun 2020 19:03:07 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Adam Ford <aford173@...il.com>, Shawn Guo <shawnguo@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.6 062/606] arm64: dts: imx8mn: Change SDMA1 ahb clock for imx8mn

From: Adam Ford <aford173@...il.com>

commit 15ddc3e17aec0de4c69d595b873e184432b9791d upstream.

Using SDMA1 with UART1 is causing a "Timeout waiting for CH0" error.
This patch changes to ahb clock from SDMA1_ROOT to AHB which fixes the
timeout error.

Fixes: 6c3debcbae47 ("arm64: dts: freescale: Add i.MX8MN dtsi support")

Signed-off-by: Adam Ford <aford173@...il.com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index a44b5438e842..882e913436ca 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -661,7 +661,7 @@ sdma1: dma-controller@...d0000 {
 				reg = <0x30bd0000 0x10000>;
 				interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX8MN_CLK_SDMA1_ROOT>,
-					 <&clk IMX8MN_CLK_SDMA1_ROOT>;
+					 <&clk IMX8MN_CLK_AHB>;
 				clock-names = "ipg", "ahb";
 				#dma-cells = <3>;
 				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin";
-- 
2.25.1