On Mon, Jan 31, 2022 at 01:08:32PM +0100, Javier Martinez Canillas wrote: > On 1/31/22 12:36, Andy Shevchenko wrote: ... > >> +config TINYDRM_SSD130X > >> + tristate "DRM support for Solomon SSD130X OLED displays" > >> + depends on DRM && OF && I2C > > > > Please, make sure that it does NOT dependent on OF. > > > > I actually added this dependency deliberative. It's true that the driver is using > the device properties API and so there isn't anything from the properties parsing > point of view that depends on OF. And the original driver didn't depend on OF. > > But the original driver also only would had worked with Device Trees since the > of_device_id table is the only one that contains the device specific data info. > > The i2c_device_id table only listed the devices supported to match, but then it > would only had worked with the default values that are set by the driver. > > So in practice it *does* depend on OF. I'll be happy to drop that dependency if > you provide an acpi_device_id table to match. The code is deceptive and you become to a wrong conclusion. No, the driver does NOT depend on OF as a matter of fact. The tricky part is the PRP0001 ACPI PNP ID that allows to reuse it on ACPI-based platforms. That said, please drop OF dependency. -- With Best Regards, Andy Shevchenko