On Monday 16 February 2009 13:16:38 Scott Wood wrote:
> On Sat, Feb 14, 2009 at 02:23:10AM -0500, Mike Frysinger wrote:
> > diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h
> > index 7451905..c16f32b 100644
> > --- a/include/asm-ppc/u-boot.h
> > +++ b/include/asm-ppc/u-boot.h
> > @@ -64,7 +64,6 @@ typedef struct bd_info {
> > - unsigned char bi_enetaddr[6]; /* Ethernet adress */
> > -#ifdef CONFIG_HAS_ETH1
> > - /* second onboard ethernet port */
> > - unsigned char bi_enet1addr[6];
> > -#endif
> > -#ifdef CONFIG_HAS_ETH2
> > - /* third onboard ethernet port */
> > - unsigned char bi_enet2addr[6];
> > -#endif
> > -#ifdef CONFIG_HAS_ETH3
> > - unsigned char bi_enet3addr[6];
> > -#endif
> > -#ifdef CONFIG_HAS_ETH4
> > - unsigned char bi_enet4addr[6];
> > -#endif
> > -#ifdef CONFIG_HAS_ETH5
> > - unsigned char bi_enet5addr[6];
> > -#endif
>
> This will break compatibility with pre-device-tree kernels.
>
> bd_t is a public interface, albeit a deprecated one.
the fact that the size can change based on board configs makes it already a
pretty unreliable ABI ...
at any rate, is there a define that can be keyed off of ? CONFIG_HAS_FDT or
some such junk ? then the behavior can be changed to like:
#ifndef CONFIG_HAS_FDT
/* ABI compat junk */
uchar bi_padding_was_enetaddr[6];
#endif
-mike
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