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

elen.song elen.song at atmel.com
Tue Jul 9 05:19:02 EDT 2013


On 7/9/2013 5:17 PM, Ludovic Desroches wrote:
> On Tue, Jul 09, 2013 at 03:57:02PM +0800, elen.song wrote:
>> 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?
> Documentation update is ok excepting the reg field change which should be in a
> fixup patch since it is not related to the introduction of use-pdc-*.

ok, thanks.
>
>>>> +		atmel,use-pdc-rx;
>>>> +		atmel,use-pdc-tx;
>>>>   	};
>>> [...]
>>
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