Re: [PATCH 1/6] dt-bindings: soc: qcom: Add label for GLINK bindings

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On Wed, Dec 20, 2017 at 7:35 PM, Bjorn Andersson
<bjorn.andersson@xxxxxxxxxx> wrote:
> On Wed 20 Dec 10:30 PST 2017, Rob Herring wrote:
>
>> On Mon, Dec 18, 2017 at 02:02:09PM -0800, Chris Lew wrote:
>> > Add a label property to identify the edge this node represents.
>>
>> Why does a user need to know this?
>>
>
> We have multiple remoteproc instances, each one having one or more
> associated SMD or GLINK links (this node), exposing logical
> communication channels. Some of these logical channels are exposed to
> user space and we need a way to distinguish them there.

They should have some sort of discoverable property. There must be
some reason why you need a specific channel. I think of label as being
a sticker or silkscreen on a device which doesn't seem to be the case
here. This seems more like wanting fixed device numbering like disks
and I assume you know the position on fixed device numbers.

Rob
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