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From: Andre Renaud <arenaud@designa-electronics.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: Youxin Su <suyouxin@sporelab.io>, Andy Duan <fugang.duan@nxp.com>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [EXT] iMX6/UART imprecise external abort
Date: Wed, 11 Dec 2019 14:35:56 +1300	[thread overview]
Message-ID: <789B91A2-6416-4906-AD32-BD66BDF879B3@designa-electronics.com> (raw)
In-Reply-To: <CAOMZO5AP4F3fMwbx7TbnJ-xNPRh6r+3=TccWasVJER=cjLkgjA@mail.gmail.com>

Hi Fabio,
> On 11/12/2019, at 1:27 PM, Fabio Estevam <festevam@gmail.com> wrote:
>> Thanks - we did have this wrong. However even after correcting this it
>> still fails in the same way. This is what we're trying:
> 
> I tried your patch on my imx6qp wandboard and did not reproduce the error.
> 
> As you activated uart2 I changed your code to use ttymxc1 instead.
> 
> Do you connect UART2 to the PC and also send command from the PC to the board?

Yes, we connect it to a PC and basically stream data in both directions between the two.

On the PC it’s as simple as:
while : ; do echo test > /dev/ttyUSB1 ; sleep 0.05 ; done

It does need bi-directional traffic to trigger.

Regards,
Andre
  
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  reply	other threads:[~2019-12-11  1:36 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-02 20:40 iMX6/UART imprecise external abort Andre Renaud
2019-12-02 20:56 ` Fabio Estevam
2019-12-03  1:53   ` [EXT] " Andy Duan
2019-12-03  2:01     ` Andre Renaud
2019-12-03  2:06       ` Andy Duan
2019-12-03  2:28       ` Fabio Estevam
2019-12-03  6:24   ` Andre Renaud
2019-12-10  4:03   ` Andre Renaud
2019-12-10  5:46     ` [EXT] " Andy Duan
2019-12-10 22:07       ` Andre Renaud
2019-12-11  0:27         ` Fabio Estevam
2019-12-11  1:35           ` Andre Renaud [this message]
2019-12-11  1:59             ` [EXT] " Andre Renaud
2019-12-12  1:35             ` Fabio Estevam
2019-12-15 23:41               ` Andre Renaud
2019-12-02 21:29 ` Uwe Kleine-König
2019-12-05 19:29   ` Andre Renaud
2019-12-21  3:33 ` Andre Renaud
2019-12-21  7:31   ` [EXT] " Andy Duan
2019-12-21 12:03     ` Fabio Estevam
2019-12-23  1:53       ` Andy Duan
2019-12-23 10:16         ` Uwe Kleine-König
2020-01-07 22:24           ` Uwe Kleine-König
2020-01-08  1:43             ` Andy Duan
2020-01-08  4:03               ` Andre Renaud
2020-01-08  5:11                 ` Andy Duan
2020-01-08  6:43                 ` Uwe Kleine-König
2020-01-08  6:40               ` Uwe Kleine-König
2020-01-08 11:23             ` Uwe Kleine-König
2020-01-09  1:33               ` Andy Duan
2020-01-19 23:29                 ` Andre Renaud

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