linux-kernel - [PATCH RFC 12/16] ARM: dts: aspeed: g6: Drop unspecified aspeed,ast2600-udma node

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Message-Id: <20251211-dev-dt-warnings-all-v1-12-21b18b9ada77@codeconstruct.com.au>
Date: Thu, 11 Dec 2025 17:45:54 +0900
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Linus Walleij <linusw@...nel.org>
Cc: Joel Stanley <joel@....id.au>, linux-hwmon@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
 openbmc@...ts.ozlabs.org, linux-gpio@...r.kernel.org, 
 linux-mmc@...r.kernel.org, linux-crypto@...r.kernel.org, 
 linux-iio@...r.kernel.org, Andrew Jeffery <andrew@...econstruct.com.au>
Subject: [PATCH RFC 12/16] ARM: dts: aspeed: g6: Drop unspecified
 aspeed,ast2600-udma node

There's neither a binding defined nor a driver that matches on the
compatible, so drop it from the devicetree until someone is motivated to
solve the problems.

Signed-off-by: Andrew Jeffery <andrew@...econstruct.com.au>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts | 4 ----
 arch/arm/boot/dts/aspeed/aspeed-g6.dtsi                   | 9 ---------
 2 files changed, 13 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts
index ea1bf6f402bd..2aff21442f11 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts
@@ -1293,10 +1293,6 @@ &mac3 {
 	use-ncsi;
 };
 
-&udma {
-	status = "okay";
-};
-
 &uart1 {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
index 86b30e38fa25..4583c68748c2 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
@@ -861,15 +861,6 @@ fsim1: fsi@...9b100 {
 				interrupt-controller;
 				status = "disabled";
 			};
-
-			udma: dma-controller@...9e000 {
-				compatible = "aspeed,ast2600-udma";
-				reg = <0x1e79e000 0x1000>;
-				interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
-				dma-channels = <28>;
-				#dma-cells = <1>;
-				status = "disabled";
-			};
 		};
 	};
 };

-- 
2.47.3