[U-Boot] [PATCH] Remove extra fdt_fixup_ethernet() call

Joakim Tjernlund Joakim.Tjernlund at infinera.com
Mon Apr 3 07:03:22 UTC 2017


On Fri, 2017-03-31 at 22:21 -0600, Simon Glass wrote:
> Hi Joakim,
> 
> On 23 March 2017 at 11:02, Joakim Tjernlund
> <joakim.tjernlund at infinera.com> wrote:
> > ft_cpu_setup() already calls fdt_fixup_ethernet(), calling it
> > in image_setup_libfdt() is both redundant and breaks any modifications
> > done by ft_board_setup(). Restore the old behavior by removing
> > the call in image_setup_libfdt()
> 
> Which old behaviour? Can you please add a Fixes: tag with the details?

The feature of having the possibility to rewrite the dev trees MAC addresses in
ft_board_setup(). Currently such rewrites are overwritten by the call to dt_fixup_ethernet(blob)
in image_setup_libfdt().
Looking into the history I see that commit 13d06981(by you as it happens :) is the one adding
the extra call to fdt_fixup_ethernet()
> 
> Also, which ft_cpu_setup()?
# > git grep fdt_fixup_ethernet
arch/arm/cpu/armv7/ls102xa/fdt.c:       fdt_fixup_ethernet(blob);
arch/mips/lib/bootm.c:  fdt_fixup_ethernet(images->ft_addr);
arch/nios2/cpu/fdt.c:   fdt_fixup_ethernet(blob);
arch/powerpc/cpu/mpc512x/cpu.c: fdt_fixup_ethernet(blob);
arch/powerpc/cpu/mpc8260/cpu.c: fdt_fixup_ethernet(blob);
arch/powerpc/cpu/mpc83xx/fdt.c: fdt_fixup_ethernet(blob);
arch/powerpc/cpu/mpc85xx/fdt.c: fdt_fixup_ethernet(blob);
arch/powerpc/cpu/mpc86xx/fdt.c: fdt_fixup_ethernet(blob);
arch/powerpc/cpu/mpc8xx/fdt.c:  fdt_fixup_ethernet(blob);
arch/powerpc/cpu/ppc4xx/fdt.c:  fdt_fixup_ethernet(blob);

Seems like it is mostly PPC which has fdt_fixup_ethernet() call though.

 Jocke
> 
> > 
> > Signed-off-by: Joakim Tjernlund <joakim.tjernlund at infinera.com>
> > ---
> >  common/image-fdt.c | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/common/image-fdt.c b/common/image-fdt.c
> > index 80e3e63..b8f5654 100644
> > --- a/common/image-fdt.c
> > +++ b/common/image-fdt.c
> > @@ -498,7 +498,6 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
> >                         goto err;
> >                 }
> >         }
> > -       fdt_fixup_ethernet(blob);
> > 
> >         /* Delete the old LMB reservation */
> >         lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob,
> > --
> > 2.10.2
> > 
> 
> Regards,
> Simon


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