On Thu, 19 Jul 2018 01:57:03 +0200 Janusz Krzysztofik <jmkrzyszt at gmail.com> wrote: > Introduce a driver private structure and allocate it on device probe. > Use it for storing nand_chip structure, GPIO descriptors prevoiusly > stored in static variables as well as io_base pointer previously passed > as nand controller data or platform driver data. That's a good thing. Thanks for doing that. > Subsequent patches > may populate the structure with more members as needed. > > While at it, fix missing mtd->dev.parent and drop useless mtd->owner. I'd prefer to have it done in a separate patch if you don't mind.