Re: [PATCH 3/3] regulator: core: make regulator_register() EPROBE_DEFER aware

From: Marco Felsch
Date: Wed Sep 18 2019 - 04:18:15 EST


On 19-09-17 17:57, Dmitry Torokhov wrote:
> On Tue, Sep 17, 2019 at 4:42 PM Marco Felsch <m.felsch@xxxxxxxxxxxxxx> wrote:
> >
> > Sometimes it can happen that the regulator_of_get_init_data() can't
> > retrieve the config due to a not probed device the regulator depends on.
> > Fix that by checking the return value of of_parse_cb() and return
> > EPROBE_DEFER in such cases.
>
> Treating EPROBE_DEFER in a special way is usually wrong.
> regulator_of_get_init_data() may fail for multiple reasons (no memory,
> invalid DT, etc, etc). All of them should abort instantiating
> regulator.

Those errors are handled but the behaviour of this funciton is to return
NULL in such errors which is fine for the caller of this function. I
only want to handle EPROBE_DEFER special..

Regards,
Marco


> Thanks.
>
> --
> Dmitry
>

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