Re: [PATCH v4 net-next 2/3] net: macb: Add NPx macb config using USRIO_DISABLED cap

[Nicolas Ferre <nicolas.ferre@atmel.com>]

Le 05/01/2016 13:20, Neil Armstrong a écrit :
> On 01/04/2016 11:38 AM, Nicolas Ferre wrote:
>> Le 04/01/2016 10:42, Neil Armstrong a écrit :
>>>  static const struct macb_config zynqmp_config = {
>>>  	.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_JUMBO,
>>> @@ -2801,6 +2806,7 @@ static const struct of_device_id macb_dt_ids[] = {
>>>  	{ .compatible = "cdns,at32ap7000-macb" },
>>>  	{ .compatible = "cdns,at91sam9260-macb", .data = &at91sam9260_config },
>>>  	{ .compatible = "cdns,macb" },
>>> +	{ .compatible = "cdns,npx-macb", .data = &npx_config },
>>
>> I can accept that, but I think that you'd better make your device tree
>> compatibility string *not* generic. Name it by the first NPx SoC or
>> perfectly compatible SoC family that has this configuration and you'll
>> be able to make the NP(x+1) compatible with it.
> Well, the first Soc having this configuration is Np4, would cdns,np4-macb be ok ?

Yes, absolutely.

Thanks

>> It has proven to be much more future proof and even if in the early days
>> of DT on ARM we accepted some binding with generic strings like this one
>> below, It has proven to be a mistake.
>>
>>>  	{ .compatible = "cdns,gem", .data = &pc302gem_config },
>>>  	{ .compatible = "atmel,sama5d2-gem", .data = &sama5d2_config },
>>>
>>
>>
> 
> Neil
> 


-- 
Nicolas Ferre