linux-kernel - [PATCH 11/16] ARM: dts: stm32: keep uart4 behavior on stm32mp157c-odyssey

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Message-ID: <20220203171114.10888-12-erwan.leray@foss.st.com>
Date:   Thu, 3 Feb 2022 18:11:09 +0100
From:   Erwan Le Ray <erwan.leray@...s.st.com>
To:     Alexandre Torgue <alexandre.torgue@...s.st.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Erwan Le Ray <erwan.leray@...s.st.com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Marek Vasut <marex@...x.de>,
        Marcin Sloniewski <marcin.sloniewski@...il.com>,
        Ahmad Fatoum <a.fatoum@...gutronix.de>,
        Jagan Teki <jagan@...rulasolutions.com>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 11/16] ARM: dts: stm32: keep uart4 behavior on stm32mp157c-odyssey

DMA configuration is added to uart nodes in stm32mp15x device tree.
Delete uart4 DMA property in stm32mp157c-odyssey 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").

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

diff --git a/arch/arm/boot/dts/stm32mp157c-odyssey.dts b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
index 554f5d3bcdc3..ed66d25b8bf3 100644
--- a/arch/arm/boot/dts/stm32mp157c-odyssey.dts
+++ b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
@@ -81,6 +81,8 @@
 &uart4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart4_pins_a>;
+	/delete-property/dmas;
+	/delete-property/dma-names;
 	status = "okay";
 };
 
-- 
2.17.1