On Mon 2017-08-28 09:23:10, Andrey Smirnov wrote: > On Thu, Aug 24, 2017 at 9:04 AM, Pavel Machek <pa...@ucw.cz> wrote: > > On Fri 2017-07-28 07:27:03, Andrey Smirnov wrote: > >> Add a driver for RAVE Supervisory Processor, an MCU implementing > >> varoius bits of housekeeping functionality (watchdoging, backlight > >> control, LED control, etc) on RAVE family of products by Zodiac > >> Inflight Innovations. > >> > >> This driver implementes core MFD/serdev device as well as > >> communication subroutines necessary for commanding the device. > > > > This introduces new /sysfs userland interfaces, right? That needs > > documenting, > > and some review. > > > > Correct and yes, good point. I was originally asked to implement all > of the exposed attributes via sysfs, but, after more discussion, I now > have green light to move a large chunk of those into debugfs which is > what I intend to do in v6, I'll also update it to document all of the > remaining sysfs entries.
Ok, we still would like to have documentation. .. and debugfs is for
debugging, not for production use.
> > For example... bootreason is there on Nokia N900, too. We want to use same
> > interface...
> >
>
> I tried grepping Documentation/ABI and kernel tree in general for that
> sysfs interface, but wasn't able to find it. If you don't mind, could
> you point me to where it's implemented?
I'm not sure if the implementation is in the mainline, but the
bootloader provides this functionality.
Pavel
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