Re: [PATCH v5 0/9] Add RZ/G2L POEG support

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On Mon, Jan 9, 2023 at 2:41 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> On Mon, Jan 9, 2023 at 2:16 PM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> > On Tue, Jan 3, 2023 at 10:01 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> > > > If this should go into sysfs we should probably create something
> > > > generic, such as a list of stuff to be exported as sysfs switches.
> > > >
> > > > It generally also looks really dangerous, which is another reason
> > > > for keeping it in debugfs. It's the big hammer to hurt yourself with,
> > > > more or less.
> > >
> > > Yes, generic would be nice.  Anyone familiar with other hardware
> > > that could make use of this?
> >
> > Drew was using this for Beagle Bone IIRC, Drew?
>
> Yes, that's what I remember, too.  And I tested it on Koelsch.
>
> But again, that's for debugging purposes.  For non-debugging
> operation, we need something different.

Actually Drew's usecase wasn't for debugging. It was kind-of production,
but it was for "one-offs" such as factory lines and other very specific-purpose
embedded.

The placement in debugfs was mostly because it is fragile and dangerous.

Yours,
Linus Walleij



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