On Tue, Jan 31, 2023 at 09:27:48AM +0000, Sahin, Okan wrote: First of all, please do avoid top-posting. > Sorry for second question. I do not want to bother you, but I realized that I > need to be sure about driver_data before sending new patch. You said that you > need to use pointers directly for driver_data then I fixed that part in mfd, > but I do not need or use driver_data in regulator since chip_id comes from > mfd device so I think using like below should be enough for my > implementation. > > static const struct platform_device_id max77541_regulator_platform_id[] = { > { "max77540-regulator", }, > { "max77541-regulator", }, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(platform, max77541_regulator_platform_id); > > static const struct of_device_id max77541_regulator_of_id[] = { > { .compatible = "adi,max77540-regulator", }, > { .compatible = "adi,max77541-regulator", }, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(of, max77541_regulator_of_id); > > What do you think? If you have got all necessary data from the upper layer, why do you need to have an ID table here? I'm not sure I understand how this OF ID table works in this case. -- With Best Regards, Andy Shevchenko