Re: [PATCH v3 3/5] drivers: regulator: Add ADI MAX77541/MAX77540 Regulator Support

From: Andy Shevchenko
Date: Tue Jan 31 2023 - 07:27:12 EST


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