[PATCH 1/7] serial: at91: correct definition from DMA to PDC

elen.song elen.song at atmel.com
Tue Jul 9 03:57:02 EDT 2013


On 7/9/2013 3:31 PM, Ludovic Desroches wrote:
> Hi Elen,
>
> One comment below:
>
> On Tue, Jul 09, 2013 at 02:33:40PM +0800, Elen Song wrote:
>
> [...]
>
>> diff --git a/Documentation/devicetree/bindings/tty/serial/atmel-usart.txt b/Documentation/devicetree/bindings/tty/serial/atmel-usart.txt
>> index a49d9a1..82f45ec 100644
>> --- a/Documentation/devicetree/bindings/tty/serial/atmel-usart.txt
>> +++ b/Documentation/devicetree/bindings/tty/serial/atmel-usart.txt
>> @@ -8,8 +8,8 @@ Required properties:
>>   - interrupts: Should contain interrupt
>>   
>>   Optional properties:
>> -- atmel,use-dma-rx: use of PDC or DMA for receiving data
>> -- atmel,use-dma-tx: use of PDC or DMA for transmitting data
>> +- atmel,use-pdc-rx: use of PDC for receiving data
>> +- atmel,use-pdc-tx: use of PDC for transmitting data
>>   
>>   <chip> compatible description:
>>   - at91rm9200:  legacy USART support
>> @@ -19,9 +19,9 @@ Example:
>>   
>>   	usart0: serial at fff8c000 {
>>   		compatible = "atmel,at91sam9260-usart";
>> -		reg = <0xfff8c000 0x4000>;
>> -		interrupts = <7>;
>> -		atmel,use-dma-rx;
>> -		atmel,use-dma-tx;
>> +		reg = <0xfff8c000 0x200>;
>> +		interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>;
> Maybe put these changes into an other patch since it is not in relation with
> the purpose of your patch.
>
> Moreover, I am not sure that macros should be used in the documentation. From
> the top of my head, there was a discussion about that and the status was to not
> use macros in documentation since it is Linux dependant.

Ok, I will not involve the macros in the document now.
So I will move all the document changes into the last patch, right?
>
>> +		atmel,use-pdc-rx;
>> +		atmel,use-pdc-tx;
>>   	};
>>   
> [...]




More information about the linux-arm-kernel mailing list