Re: [PATCH] ARM: MXS: duckbill: set duart to serial0

[Michael Grzeschik <mgr@pengutronix.de>]

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On Fri, May 29, 2020 at 03:56:53PM +0200, Lucas Stach wrote:
>Am Freitag, den 29.05.2020, 14:51 +0200 schrieb Michael Grzeschik:
>> In the imx28.dtsi the serial0 is set to auart0 which is not the one
>> used on the duckbill. We set duart to serial0 so the console will be
>> properly set.
>
>If the aliases are the same in the Barebox and Linux DTs there should
>be no need to override the alias numbering in the individual board DTs.
>
>Is the Linux driver ignoring the alias, or what is the issue being
>fixed here?

The duart (debugging uart) is completely missing in the aliases list.
The first set serial alias in dts/src/arm/imx28.dtsi is auart0, which
are the application uarts.

mgr

>> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
>> ---
>>  arch/arm/dts/imx28-duckbill.dts | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/arch/arm/dts/imx28-duckbill.dts b/arch/arm/dts/imx28-
>> duckbill.dts
>> index 2a995a7938..299c33e270 100644
>> --- a/arch/arm/dts/imx28-duckbill.dts
>> +++ b/arch/arm/dts/imx28-duckbill.dts
>> @@ -4,6 +4,10 @@
>>  	chosen {
>>  		stdout-path = &duart;
>>  	};
>> +
>> +	aliases {
>> +		serial0 = &duart;
>> +	};
>>  };
>>
>>  &duart {
>
>

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