Re: [RFC/PATCH 0/5] Support children for legacy device properties

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On Mon, Sep 17, 2018 at 11:16 AM Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:

> The generic device properties APIs are very helpful as they allow abstracting
> away details of the platform (whether it is ACPI, device tree, or legacy board
> file), so that individual driver does not need separate code paths to support
> all variants. However there are drivers that currently can not use generic
> device properties API as they need notion of children properties, for example
> gpio_keys driver, that expects every button to be described as a sub-node of
> main device.
>
> This patch series introduces notion of sub-nodes for static properties and ties
> it up with GPIO lookup tables so that they are usable with sub-nodes as well.

This is the patch series I would have written, had I been smart enough.
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
for the series.

I can't test the SIM.ONE board with this until next week but the approach
is definately what we want, not just for legacy boards, but also for any
other non-discoverable hardware we currently poke into
drivers/platform or arch/x86/platform etc.

Yours,
Linus Walleij

Yours,
Linus Walleij



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