On Fri, Feb 28, 2020 at 10:30:02AM +1100, Benjamin Herrenschmidt wrote:

On Thu, 2020-02-27 at 15:05 -0800, rentao.bupt@gmail.com wrote:

 .../...

You haven't fixed the problem spotted by Rob which is that the example
is now out of sync, it's missing the required properties.

Ahhh, now I know where my problem is..
Let me see why I cannot reproduce the error on my side; otherwise I may
create more noise in my next patch set (customize device IDs/strings)..

Also long run I think best is going to have a child node per downstream
port, so we create a matching linux struct device. This will make it
easier to deal with the other device-controller in the ast2600 which is
basically one of these without a vhub above it.

Maybe a dumb question: what would be the proper place to parse the child
node/properties when they are added? For example, in some usb_gadget_ops
callback?


Cheers,

Tao