Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 4 Jan 2023 19:01:31 +0200 | From | Andy Shevchenko <> | Subject | Re: [PATCH 3/3] wiegand: add Wiegand GPIO bit-banged controller driver |
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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:
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> > +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
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