[U-Boot] [PATCH v2 2/9] sunxi: initial sun7i pinmux and gpio support

[Marek Vasut]

On Wednesday, March 26, 2014 at 10:39:16 AM, Ian Campbell wrote:
> On Wed, 2014-03-26 at 10:03 +0100, Wolfgang Denk wrote:
> > Dear Ian Campbell,
> > 
> > In message <1395822781.29683.12.camel at dagon.hellion.org.uk> you wrote:
> > > On Mon, 2014-03-24 at 21:54 +0100, Marek Vasut wrote:
> > > > > +int sunxi_gpio_set_cfgpin(u32 pin, u32 val);
> > > > > +int sunxi_gpio_get_cfgpin(u32 pin);
> > > > > +int sunxi_gpio_set_drv(u32 pin, u32 val);
> > > > > +int sunxi_gpio_set_pull(u32 pin, u32 val);
> > > > > +int name_to_gpio(const char *name);
> > > > > +#define name_to_gpio name_to_gpio
> > > > 
> > > > What is this ugly define doing here ?
> > > 
> > > common/cmd_gpio.c uses the #ifndef name_to_gpio pattern to provide (or
> > > not) a default fallback implementation. I think this is a reasonably
> > > (but not very) common idiom for such cases where the non-default
> > > variant is not best expressed as a macro.
> > 
> > Please add a comment to explain that.
> 
> Unless you object I think I'll do as Marek suggested name the function
> sunxi_name_to_gpio and make the #define to that, it seems more
> consistent that way.

I'd suggest you fix cmd_gpio.c while at it too ;-)

Best regards,
Marek Vasut