[PATCH 2/7] mfd: add mc34708 driver

[Jean-Christophe PLAGNIOL-VILLARD]

On 08:03 Tue 21 Feb     , Eric Bénard wrote:
> Le Tue, 21 Feb 2012 04:48:35 +0100,
> Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com> a écrit :
> 
> > > +static struct mc34708 *mc_dev;
> > > +
> > > +struct mc34708 *mc34708_get(void)
> > > +{
> > > +	if (!mc_dev)
> > > +		return NULL;
> > > +
> > > +	return mc_dev;
> > > +}
> > > +EXPORT_SYMBOL(mc34708_get);
> > no please do not export the current as it will not alloe multiple chip on
> > board
> you can't have more than one of this chip on the board connected to
> the same CPU.
except if you have 2 soc on the same board

here you use it to detect the presence of the device where we can detect it by
the presence of the dev file

Best Regards,
J.