On Thu, Sep 05, 2024 at 11:45:25AM GMT, Dikshita Agarwal wrote: > > > On 9/5/2024 11:42 AM, Dikshita Agarwal wrote: > > > > > > On 8/29/2024 2:43 PM, Dmitry Baryshkov wrote: > >> 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. > > > > Sure, we will add qcom,sm8250-iris at this point so that it enables the > > testing of the driver, and will add one patch at the last to add > > qcom,sm8250-venus. > Sorry fixing the typos. what I meant was, > we will add qcom,sm8550-iris at this point so that it enables the > testing of the driver, and will add one patch at the last to add > qcom,sm8250-venus. I hope you meant 'to change qcom,sm8250-iris to qcom,sm8250-venus'. Also please clearly document that qcom,sm8250-iris is a temporary thing just to facilitate documentation and testing of the driver to be removed as a last patch. > > > > Thanks, > > Dikshita > >> > > -- With best wishes Dmitry