From 2a8092a5a60da82c32ed78da3a980a78bb70f56c Mon Sep 17 00:00:00 2001 From: Erwan Le Ray Date: Thu, 3 Feb 2022 18:11:14 +0100 Subject: [PATCH] ARM: dts: stm32: keep uart nodes behavior on stm32mp15xx-dhcor-avenger96 DMA configuration is added to uart nodes in stm32mp15x device tree. Delete uart4 DMA property in stm32mp15xx-dhcor-avenger96 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 usart2 and uart7 DMA property to keep current behavior. Signed-off-by: Erwan Le Ray Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi index 6885948..61e17f4 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi @@ -376,6 +376,8 @@ label = "LS-UART1"; pinctrl-names = "default"; pinctrl-0 = <&uart4_pins_b>; + /delete-property/dmas; + /delete-property/dma-names; status = "okay"; }; @@ -385,6 +387,8 @@ pinctrl-names = "default"; pinctrl-0 = <&uart7_pins_a>; uart-has-rtscts; + /delete-property/dmas; + /delete-property/dma-names; status = "okay"; }; @@ -394,6 +398,8 @@ pinctrl-0 = <&usart2_pins_a>; pinctrl-1 = <&usart2_sleep_pins_a>; st,hw-flow-ctrl; + /delete-property/dmas; + /delete-property/dma-names; status = "okay"; bluetooth { -- 2.7.4