On 9/5/2024 3:41 PM, Dmitry Baryshkov wrote: > 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. > I was agreeing to follow this suggestion of yours "What about adding sm8550 at this point and adding sm8250 at the end?" Where we will add sm8550(qcom,sm8550-iris) first so driver can be tested on sm8550 and add sm8250(qcom,sm8250-venus) in the last patch. I think Bryan also agreed to the same. >>> >>> Thanks, >>> Dikshita >>>> >>> >