Re: [PATCH 3/3] regulator: tps65023: Added support for the similiarTPS65020 chip

From: Mark Brown
Date: Fri Jul 29 2011 - 10:03:48 EST


On Fri, Jul 29, 2011 at 03:08:54PM +0200, Marcus Folkesson wrote:
> 2011/7/29 Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>:
> > On Wed, Jul 27, 2011 at 12:32:47PM +0200, Marcus Folkesson wrote:

> >> +static struct tps_driver_data tps65020_drv_data = {
> >> +             .info = (struct tps_info *) tps65020_regs,

> > Why do you need the cast here?  I see it's in the original driver too
> > but it looks like something that should be fixed.

> I also thought about the line, It's only for avoiding warnings from gcc.
> But I don't really understand why gcc is warning.

> gcc output: "warning: initialization discards qualifiers from pointer
> target type".

It's complaining because the declaration of tps65020_regs doesn't match
up with that of .info. Probably the struct member needs to be a const
pointer.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/