Re: [PATCH v4 16/16] ACPI / DSD: Document references, ports and endpoints

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On Tue, Mar 14, 2017 at 6:54 PM, Sakari Ailus
<sakari.ailus@xxxxxxxxxxxxxxx> wrote:
> Hi Rafael,
>
> Rafael J. Wysocki wrote:
>>
>> On Tue, Mar 14, 2017 at 9:09 AM, Sakari Ailus
>> <sakari.ailus@xxxxxxxxxxxxxxx> wrote:
>>>
>>> On 03/14/17 10:08, Sakari Ailus wrote:
>>>>
>>>> How about this instead:
>>>>
>>>> All port nodes are located under the device's "_DSD" node in the
>>>> hierarchical data extension tree. The property extension related to
>>>> each port node must contain the key "port" and an integer value which
>>>> is the number of the port.
>>>
>>>
>>> So with matching strings instead of indices, this will change, too...
>>
>>
>> It doesn't have to AFAICS, but the number is just redundant IMO.  You
>> only need a boolean property saying "this is a port", so you know that
>> you should expect a list of endpoints in that object.
>
>
> No, it's not redundant. It's the number of the physical port in the device
> --- this is how the driver gets to know where the connection has been made.

OK, but what exactly do you mean by "physical port"?

Thanks,
Rafael
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