[U-Boot] [PATCH 2/3] Fix a few gcc warnings.

[Wolfgang Denk]

Dear Scott Wood,

In message <20110425162854.05500a06 at schlenkerla.am.freescale.net> you wrote:
>
> > I disagree. "printf(foo);" may be suboptimal but there are cases
> > where I do not want to see a warning about this. Consider for example
> > common/main.c:
> > 
> >  115 #  ifdef CONFIG_AUTOBOOT_PROMPT
> >  116         printf(CONFIG_AUTOBOOT_PROMPT);
> >  117 #  endif
> > 
> > Here we provide a way for a user-defined autoboot prompt message. Some
> > users may just want to provide a plain string - what's wrong with
> > that?  [Yes, there are other ways to implement this, but why make it
> > more complicated than necessary?]
> 
> It won't warn there, because it all happens in the preprocessor.

Why would it not warn if the user just does

	#define CONFIG_AUTOBOOT_PROMPT "my prompt:"

Best regards,

Wolfgang Denk

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