On Wed, Jan 04, 2023 at 06:59:00PM +0200, Andy Shevchenko wrote: > On Wed, Jan 04, 2023 at 02:34:14PM +0100, Martin Zaťovič wrote: ... > > +What: /sys/devices/platform/.../wiegand-gpio-attributes/format > > +What: /sys/devices/platform/.../wiegand-gpio-attributes/payload_len > Why all these attributes? What is special about them and how they are specific > to the hardware in question? > > To me it all sounds like layering violation: a GPIO driver that has to be > generic provides a complete custom ABIs which we usually put on the upper > layer (in the kernel as a child driver or in the user space). Okay, it seems the consumer driver. -- With Best Regards, Andy Shevchenko
