Re: [PATCH 1/3] usb: gadget: aspeed: read vhub config from of_device_id

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On Tue, Feb 11, 2020 at 09:50:42AM +0100, Benjamin Herrenschmidt wrote:
> On Mon, 2020-02-10 at 11:07 -0800, Tao Ren wrote:
> > > > This looks generally okay. We should wait for Ben's ack before
> > > > applying.
> > > 
> > > Shouldn't we instead have DT fields indicating those values ?
> > 
> > May I ask why we prefer adding dt fields (such as "aspeed,vhub-max-ports"
> > and "aspeed,vhub-max-endpoints") instead of assigning these values based
> > on aspeed family? For example, is it to allow users to set a smaller
> > number of ports/endpoints?
> 
> It's not a strong drive but it makes it more convenient to add support
> to newer revisions if the only differences are those numbers.

Got it. Thanks for the clarify. Will send out v2 patches after more
testing.

> > 
> > > Also we should add a DT representation for the various ID/strings of
> > > the hub itself so manufacturers can customize them.
> > 
> > Sure. I will add DT nodes for vendor/product/device IDs/strings. As it's
> > not directly related to ast2600-support, shall I handle it in a separate
> > patch? Or I can include the patch in this patch series?
> 
> Separate. Thanks !

Will take care of the change once this patch series is accepted.


Cheers,

Tao
> 
> Cheers,
> Ben.
> 
> 



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