[RFC/PATCH] backlight: hx8357: prepare to conversion to gpiod API

Dmitry Torokhov dmitry.torokhov at gmail.com
Tue Oct 4 20:35:49 UTC 2022


On Tue, Oct 04, 2022 at 09:50:25PM +0200, Linus Walleij wrote:
> On Tue, Oct 4, 2022 at 2:54 PM Daniel Thompson
> <daniel.thompson at linaro.org> wrote:
> 
> > > We need to know if i.MX is shipping device trees stored in flash,
> > > or if they bundle it with the kernel.
> >
> > This part is frequently found in add-on boards so it's not purely an
> > i.MX-only question.
> 
> Oh
> 
> > IMHO for not-in-the-soc devices like this the presence of in-kernel DTs
> > isn't enough to make a decision. What is needed is a degree of
> > due-diligence to show that there are no obvious out-of-kernel users.
> 
> OK I think this is a good case to use a special quirk in this case.
> I actually envisioned keeping piling them up, and that they would
> not be innumerable.
> 
> Dmitry, could you fix this? Just patch away in gpiolib-of.c.

Sure, I'll add a few quirks. I wonder what is the best way to merge
this? I can create a bunch of IBs to be pulled, or I can send quirks to
you/Bartosz and once they land send the patches to drivers...

Thanks.

-- 
Dmitry


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