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

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Date:   Sun, 16 Oct 2016 12:57:09 +0200
From:   Peter Rosin <peda@...ator.liu.se>
To:     Alexandre Belloni <alexandre.belloni@...e-electrons.com>
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,
        Sylvain Rochet <sylvain.rochet@...secur.com>
Subject: Re: [PATCH] ARM: at91/dt: pullup dbgu rx instead of tx

Hi again,

I forgot about this, and it's been a year. But isn't it time to
upstream those pull-up fixes that Sylvain provided?

Cheers,
Peter


On 2015-09-24 16:47, Alexandre Belloni wrote:
> 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
>>
>