On Thu, Sep 24, 2020 at 10:38 PM Arnd Bergmann <arnd@xxxxxxxx> wrote: > On Thu, Sep 24, 2020 at 8:59 PM Maximilian Luz <luzmaximilian@xxxxxxxxx> wrote: > > On 9/24/20 10:26 AM, Arnd Bergmann wrote: > > > On Thu, Sep 24, 2020 at 1:28 AM Maximilian Luz <luzmaximilian@xxxxxxxxx> wrote: > > > > Note that drivers that connect to the bus typically don't live in the > > > same subdirectory as the driver that operates the bus. E.g. the > > > battery driver would go into drivers/power/supply and the input > > > would go into drivers/input/ or drivers/hid. > > > > Right. I wonder if this also holds for devices that are directly > > dependent on a special platform though? It could make sense to have them > > under plaform/surface rather than in the individual subsystems as they > > are only ever going to be used on this platform. On the other hand, one > > could argue that having them in the subsystem directories is better for > > maintainability. > > Yes, absolutely. The subsystem maintainers are the ones that are > most qualified of reviewing code that uses their subsystem, regardless > of which bus is used underneath the device, and having all drivers > for a subsystem in one place makes it much easier to refactor them > all at once in case the internal interfaces are changed or common bugs > are found in multiple drivers. The problem is that some of the drivers are mostly reincarnation of board files due to the platform being Windows-oriented with badly written ACPI tables / firmware as a whole (which means a lot of quirks are required). -- With Best Regards, Andy Shevchenko