linux-kernel - [PATCH] ARM: at91/dt: pullup dbgu rx instead of tx

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Date:	Thu, 24 Sep 2015 16:44:15 +0200
From:	Peter Rosin <peda@...ator.liu.se>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Peter Rosin <peda@...ntia.se>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	peda@...ator.liu.se, stable@...r.kernel.org
Subject: [PATCH] ARM: at91/dt: pullup dbgu rx instead of tx

From: Peter Rosin <peda@...ntia.se>

It seems pointless to pullup the tx line, but there is value in pulling
up the rx line.

Cc: stable@...r.kernel.org
Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 arch/arm/boot/dts/sama5d3.dtsi |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi
index 9e2444b07bce..304a40c5552a 100644
--- a/arch/arm/boot/dts/sama5d3.dtsi
+++ b/arch/arm/boot/dts/sama5d3.dtsi
@@ -545,8 +545,8 @@
 				dbgu {
 					pinctrl_dbgu: dbgu-0 {
 						atmel,pins =
-							<AT91_PIOB 30 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PB30 periph A */
-							 AT91_PIOB 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PB31 periph A with pullup */
+							<AT91_PIOB 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PB30 periph A with pullup */
+							 AT91_PIOB 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PB31 periph A */
 					};
 				};
 
-- 
1.7.10.4

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