[U-Boot] [RFC] tiny-printf: Add support for %p format

[Tom Rini]

On Fri, Apr 07, 2017 at 03:20:34PM +0530, Vignesh R wrote:

> Add support for %p, %pa[p], %pM, %pm and %pI4 formats to tiny-printf.
> %pM and %pI4 are widely used by SPL networking stack and is required if
> networking support is desired in SPL.
> 
> Before this patch:
> $ size spl/u-boot-spl
>    text	   data	    bss	    dec	    hex	filename
>   99325	   4899	 218584	 322808	  4ecf8	spl/u-boot-spl
> 
> After this patch (with CONFIG_SPL_NET_SUPPORT):
> $ size spl/u-boot-spl
>    text	   data	    bss	    dec	    hex	filename
>   99714	   4899	 218584	 323197	  4ee7d	spl/u-boot-spl
> 
> So, this patch adds ~390 bytes to code size.
> 
> If CONFIG_SPL_NET_SUPPORT is not enabled then only %p, %pa, %pap are
> supported, this adds ~90 bytes to code size.

Why do we need %p/%pa/%pap?  I'm fine with adding %pM/%pm/%pI4 under
SPL_NET_SUPPORT as you've done.

-- 
Tom
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