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SubjectRe: [PATCH] input: max77650-onkey: add of_match table
pt., 10 sty 2020 o 19:28 Dmitry Torokhov <dmitry.torokhov@gmail.com> napisał(a):
>
> On Tue, Dec 10, 2019 at 11:07:53AM +0100, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> >
> > We need the of_match table if we want to use the compatible string in
> > the pmic's child node and get the onkey driver loaded automatically.
>
> Do we really need of_match table or adding
>

Not really. Technically not anyway but we merged bindings that define
it (at the time I didn't know any better) and seems we're stuck with
it. Please see the discussion below a similar patch for regulator
subsystem[1].

> MODULE_ALIAS("platform:max77650-onkey");
>

This is already in there, but if someone defines the compatible in the
device tree as per bindings, the module won't be loaded despite the
MODULE_ALIAS() definition.

> will work as well?
>
> In general, do we ever instantiate onkey portion from device tree? Or
> is it always an MFD cell that is instantiated unconditionally?
>

Bart

[1] https://lkml.org/lkml/2019/12/10/271

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