[linux-sunxi] Re: [PATCH v2 1/8] mfd: AXP20x: Add mfd driver for AXP20x PMIC

[dmitry.torokhov@gmail.com (Dmitry Torokhov)]

On Sat, Mar 22, 2014 at 07:13:36PM +0100, Carlo Caione wrote:
> On Sat, Mar 22, 2014 at 6:33 PM, Mark Brown <broonie@kernel.org> wrote:
> > On Sat, Mar 22, 2014 at 05:51:32PM +0100, Carlo Caione wrote:
> >> On Tue, Mar 18, 2014 at 03:59:19PM +0000, Lee Jones wrote:
> >
> >> > > + of_id = of_match_device(axp20x_of_match, &i2c->dev);
> >> > > + if (!of_id) {
> >> > > +         dev_err(&i2c->dev, "Unable to setup AXP20X data\n");
> >> > > +         return -ENODEV;
> >> > > + }
> >> > > + axp20x->variant = (int) of_id->data;
> >
> >> > No need to cast from void *.
> >
> >> My compiler says otherwise :)
> >
> > Are you sure your compiler isn't correctly telling you not to cast away
> > const?  If the compiler is complaining about a cast on void then it's
> > spotted a definite bug.
> 
> [resend since gmail decided to not put broonie in CC]
> 
> drivers/mfd/axp20x.c:172:18: warning: assignment makes integer
> frompointer without a cast [enabled by default]

You need to cast to long, otherwise you will get warnings when compiling
on 64 bit arches.

Thanks.

-- 
Dmitry