Re: [PATCH v2] HID: core: check whether usage page item is after usage id item

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On Thu, Oct 10, 2019 at 2:00 AM Jiri Kosina <jikos@xxxxxxxxxx> wrote:
>
> On Wed, 9 Oct 2019, Nicolas Saenz Julienne wrote:
>
> > > diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
> > > index 3eaee2c..3394222 100644
> > > --- a/drivers/hid/hid-core.c
> > > +++ b/drivers/hid/hid-core.c
> > > @@ -35,6 +35,8 @@
> > >
> > >  #include "hid-ids.h"
> > >
> > > +#define GET_COMPLETE_USAGE(page, id) (((page) << 16) + ((id) & 0xffff))
> >
> > Not sure I like the macro. I'd rather have the explicit code. That said, lets
> > see what Benjamin has to say.
>
> Not sure about Benjamin :) but I personally would ask for putting it
> somewhere into hid.h as static inline.
>
> And even if it's for some reason insisted on this staying macro, please at
> least put it as close to the place(s) it's being used as possible, in
> order to maintain some code sanity.
>
> Thanks,
>
> --
> Jiri Kosina
> SUSE Labs
>

Thanks Nicolas and Jiri,
If macro is not good, I will change it to static function. But the
funciton is only used in hid-core.c,
maybe placing it into hid.h is not good?

Regards,
Candle



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