Re: [RFC PATCH v2 1/4] media: i2c: adv748x: add adv748x driver

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Hi Sakari,

>>
>> Finding and matching the parent of the SD would allow a driver to register a
>> notifier ASD with a dev node, and expect to match a subdevice that has
>> registered it's subdev with an EP node. This would erroneously allow drivers to
>> register a notifier that would match against *both* of the ADV748x CSI2 entities.
> 
> You'd first have to have a board that has the two devices, and then ignore
> what the drivers are doing. :-) I guess an error would be encountered at
> some point in driver initialisation.

Ah yes of course - I see it now...

The only erroneous case is a scenario that should be fixed by whomever wants to
use that. Where as the rest of the "ep - dev" matches become a master driver
which has not converted to endpoint matching, during the phase of which
subdevices have.

Adding this in for v3, along with the rebase to your acpi-graph-cleaned.

> 
> Anyway, I don't think this situation should be a lasting one, and that
> endpoint matching is the way to go.

Yes, of course hopefully we'll make a full transition along the way.

--
Regards

Kieran



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