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[73.37.219.234]) by smtp.gmail.com with ESMTPSA id p191sm5069913qke.6.2020.03.27.19.34.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Mar 2020 19:34:12 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: dts: imx8mn: Change SDMA1 ahb clock for imx8mn Date: Fri, 27 Mar 2020 21:33:53 -0500 Message-Id: <20200328023353.156929-1-aford173@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200327_193417_276631_3F1A225F X-CRM114-Status: UNSURE ( 8.19 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Fabio Estevam , Anson Huang , Adam Ford , Sascha Hauer , aford@beaconembedded.com, linux-kernel@vger.kernel.org, Rob Herring , NXP Linux Team , Pengutronix Kernel Team , Shawn Guo Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 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@30bd0000 { reg = <0x30bd0000 0x10000>; interrupts = ; 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel