From 76594563fac74d6fbc247e9949cca54555e51231 Mon Sep 17 00:00:00 2001 From: Erwan Le Ray Date: Thu, 3 Feb 2022 18:11:01 +0100 Subject: [PATCH] ARM: dts: stm32: keep uart4 and uart7 behavior on stm32mp15xx-dkx 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 Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi index 6caeb44..333c2af 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"; }; -- 2.7.4