On Fri, 21 Mar 2014 14:16:20 +0200, Tomi Valkeinen [off-list ref] wrote:

On 21/03/14 13:47, Grant Likely wrote:

quoted

I'm firm on the opinion that the checking must also happen at runtime.
The biggest part of my objection has been how easy it would be to get a
linkage out of sync, and dtc is not necessarily the last tool to touch
the dtb before the kernel gets booted. I want the kernel to flat out
reject any linkage that is improperly formed.

Isn't it trivial to verify it with the current v4l2 bindings? And
endpoint must have a 'remote-endpoint' property, and the endpoint on the
other end must have similar property, pointing in the first endpoint.
Anything else is an error.

I agree that it's easier to write bad links in the dts with
double-linking than with single-linking, but it's still trivial to
verify it in the kernel.

Right, which is exactly what I'm asking for.

g.

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