From: Adam Ford <[email protected]>

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 <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 arch/arm64/boot/dts/freescale/imx8mn.dtsi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -616,7 +616,7 @@
                                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";


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