Re: [PATCH v3 03/29] media: iris: add platform driver for iris video device

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On Tue, Aug 27, 2024 at 03:08:03PM GMT, Bryan O'Donoghue wrote:
> On 27/08/2024 11:05, Dikshita Agarwal via B4 Relay wrote:
> > +static const struct of_device_id iris_dt_match[] = {
> > +	{ .compatible = "qcom,sm8550-iris", },
> > +	{ .compatible = "qcom,sm8250-venus", },
> > +	{ },
> > +};
> > +MODULE_DEVICE_TABLE(of, iris_dt_match);
> 
> The enabling patch for the compat strings should come last - if its first
> then the time between the compat add and the last patch is a dead zone where
> things are bound to break on a booting board.

But then it's impossible to test the driver in the interim state.
Moreover enabling it at the end only makes it hard to follow platform
data changes. What about adding sm8550 at this point and adding sm8250
at the end? Or enabling qcom,sm8550-iris and the fake qcom,sm8250-iris
now (and clearly documenting it as fake) and as the last patch change it
to qcom,sm8250-venus.

-- 
With best wishes
Dmitry




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