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

[Mark Brown]

On Sat, Mar 22, 2014 at 08:08:03PM +0100, Carlo Caione wrote:
> On Sat, Mar 22, 2014 at 11:42:01AM -0700, Dmitry Torokhov wrote:

> > > 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.

> Actually no warning also with (int) cast.

That's because you squashed it to something smaller than a long using
the cast.  The other option is to make the variable you're assigning to
suitable to hold the value - intptr_t or a long.
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