Re: [PATCH v2 net-next v2 10/12] net: dsa: mv88e6xxx: iterate on compatible info

Andrew Lunn
2016-06-14T21:47:03Z

On Tue, Jun 14, 2016 at 02:31:51PM -0400, Vivien Didelot wrote:
> With legacy probing, we cannot have a compatible info structure. We have
> to guess it. Instead of using only the first info structure of the info
> table, iterate over the compatible data.
>
> That way, the legacy code will support new compatible chips with
> different register access without requiring any code change.

I don't think this is safe when used in combination with multi-chip
addresses. This code will perform writes on various addresses,
addresses which could be real registers on a device.

I don't see a need to support guessing. The new binding will work,
without any guessing. So use that.

Andrew