On Thu, Sep 30, 2021 at 11:12:28AM +0800, Chunyan Zhang wrote: > On different platforms, sc27xx_spi consists of different sub-devices > with different compatible string, to avoid adding mfd_cells to > sc27xx_spi driver each time we add a new platform support, we changed > to use devm_of_platform_populate() which can automatically register > sun-devices listed in devicetree. > The above is my understand, please correct me if I'm missing something > @Lee Jones Right, so my pushback here is that it's not clear to me that avoiding adding compatibles to the MFD is a strong enough goal to justify creating ABI - it's hard to see the upsides. This is particularly the case here where the subdevice is really a random collection of devices that's particularly likely to change between variants and more likely that other OSs would want something different so it's even harder to achieve reuse.
Attachment:
signature.asc
Description: PGP signature
