[U-Boot] [PATCH] cmd_bdinfo: simplify local static funcs a bit

[Simon Glass]

On Mon, Oct 31, 2011 at 2:15 PM, Tabi Timur-B04825 <B04825 at freescale.com> wrote:
> On Sun, Oct 30, 2011 at 7:54 PM, Mike Frysinger <vapier at gentoo.org> wrote:
>>
>>
>> -static void print_num(const char *, ulong);
>> +__maybe_unused
>> +static void print_num(const char *name, ulong value)
>> +{
>> +       printf("%-12s= 0x%08lX\n", name, value);
>> +}
>>
>
> Will the linker remove the functions from the binary if they are unusued?

If built with -ffunction-sections and --gc-sections,, then the linker
can do this sort of thing. Otherwise it can't, but the compiler can. I
just tested Mike's code on my ARM compiler to make sure and it happily
removed print_eth() when it was not used.

Regards,
Simon

>
> --
> Timur Tabi
> Linux kernel developer at Freescale
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