Re: [RFC PATCH] [media]: of: move graph helpers from drivers/media/v4l2-core to drivers/of

[Grant Likely]

On Fri, 21 Mar 2014 14:16:20 +0200, Tomi Valkeinen <tomi.valkeinen@xxxxxx> wrote:
> On 21/03/14 13:47, Grant Likely wrote:
> 
> > 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.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/