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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, allen yan <yanwei@marvell.com>,
        Miquel Raynal <miquel.raynal@free-electrons.com>,
        Gregory CLEMENT <gregory.clement@free-electrons.com>,
        Amit Pundir <amit.pundir@linaro.org>
Subject: [PATCH 4.9 213/223] arm64: dts: marvell: Fix A37xx UART0 register size
Date:   Fri,  2 Aug 2019 11:37:18 +0200
Message-Id: <20190802092250.604846678@linuxfoundation.org>
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From: allen yan <yanwei@marvell.com>

commit c737abc193d16e62e23e2fb585b8b7398ab380d8 upstream.

Armada-37xx UART0 registers are 0x200 bytes wide. Right next to them are
the UART1 registers that should not be declared in this node.

Update the example in DT bindings document accordingly.

Signed-off-by: allen yan <yanwei@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 Documentation/devicetree/bindings/serial/mvebu-uart.txt |    2 +-
 arch/arm64/boot/dts/marvell/armada-37xx.dtsi            |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/Documentation/devicetree/bindings/serial/mvebu-uart.txt
+++ b/Documentation/devicetree/bindings/serial/mvebu-uart.txt
@@ -8,6 +8,6 @@ Required properties:
 Example:
 	serial@12000 {
 		compatible = "marvell,armada-3700-uart";
-		reg = <0x12000 0x400>;
+		reg = <0x12000 0x200>;
 		interrupts = <43>;
 	};
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -96,7 +96,7 @@
 
 			uart0: serial@12000 {
 				compatible = "marvell,armada-3700-uart";
-				reg = <0x12000 0x400>;
+				reg = <0x12000 0x200>;
 				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};