Re: [patch 03/13] input: make input a multi-object module

[Andrew Morton <akpm@osdl.org>]

Anssi Hannula <anssi.hannula@gmail.com> wrote:
>
> 
> >>>It would be much nicer all round if we could avoid renaming this file.
> >>
> >>Indeed... There are these 4 options as far as I see:
> >>
> >>1. Do this rename
> >>2. Put all the code in input-ff.c to input.c
> >>3. Make the input-ff a separate bool "module" and add
> >>EXPORT_SYMBOL_GPL() for input_ff_event() which is currently the only
> >>function in input-ff.c that is called from input.c
> >>4. Rename the input "module" to something else, it doesn't matter so
> >>much as almost everybody builds it as built-in anyway.
> >>
> >>WDYT is the best one?
> > 
> > 
> > I still don't know what problem you're trying to solve so I cannot say.
> 
> Maybe you know now.

yup, thanks.

I'd have thought that 3) is the path of least resistance.

But it does require that input.c "knows" that input-ff.c was included in
the build, which is not a thing we like to do.

Why should things in input.c call into input-ff.c, btw?  The way we
normally would handle that is to add a register_something() API to input.c
and input-ff.c would insert its callback via that interface.

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