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Subject[PATCH 03/16] ARM: dts: stm32: keep uart4 and uart7 behavior on stm32mp15xx-dkx
Date
DMA configuration is added to uart nodes in stm32mp15x device tree.
Delete uart4 DMA property in stm32mp15xx-dkx board device tree to keep
console in irq mode, as DMA support for console has been removed from
the driver by commit e359b4411c28 ("serial: stm32: fix threaded
interrupt handling").
Delete also uart7 DMA property to keep current behavior.

Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com>

diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index 48beed0f1f30..7443859c54c6 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -650,6 +650,8 @@
pinctrl-0 = <&uart4_pins_a>;
pinctrl-1 = <&uart4_sleep_pins_a>;
pinctrl-2 = <&uart4_idle_pins_a>;
+ /delete-property/dmas;
+ /delete-property/dma-names;
status = "okay";
};

@@ -658,6 +660,8 @@
pinctrl-0 = <&uart7_pins_c>;
pinctrl-1 = <&uart7_sleep_pins_c>;
pinctrl-2 = <&uart7_idle_pins_c>;
+ /delete-property/dmas;
+ /delete-property/dma-names;
status = "disabled";
};

--
2.17.1
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