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

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Message-ID: <20150924144753.GY4287@piout.net>
Date:	Thu, 24 Sep 2015 16:47:53 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Peter Rosin <peda@...ator.liu.se>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Peter Rosin <peda@...ntia.se>,
	Nicolas Ferre <nicolas.ferre@...el.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,
	stable@...r.kernel.org
Subject: Re: [PATCH] ARM: at91/dt: pullup dbgu rx instead of tx

Hi Peter,

Thanks for the patch but you actually got beaten by Sylvain:
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-September/368426.html

On 24/09/2015 at 16:44:15 +0200, Peter Rosin wrote :
> 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
> 

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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