On Tue, Feb 9, 2021 at 12:27 AM Enrico Weigelt, metux IT consult <info@xxxxxxxxx> wrote: > > Lots of boards have extra devices that can't be fully probed via bus'es > (like PCI) or generic firmware mechanisms like ACPI. Often those capabilities > are just partial or even highly depend on firmware version. > > Instead of hand-writing board specific drivers merely for the correct > initialization / parameterization of generic drivers, hereby introducing > a generic mechanism, using the already well supported oftree. > > These oftrees are compiled into the driver, which first tries to match > machine identifications (eg. DMI strings) against rules defined in the > individual oftrees, and on success, probes the devices that are defined > by them. > > For the time being, we just support matching on DMI_BOARD_NAME and > DMI_SYS_VENDOR - other criteria, even bus- or ACPI-id's can be added later, > when needed. This is weird and seems it missed the fact of the DMI based modprobe mechanism that the kernel has for ages. -- With Best Regards, Andy Shevchenko
