[U-Boot] [PATCH] dm: ppc: Fixup cpu.c warning in mpc8xx

[Wolfgang Denk]

Dear Marek Vasut,

In message <1343419212-18716-1-git-send-email-marex at denx.de> you wrote:
> cpu.c: In function ‘check_CPU’:
> cpu.c:256:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Wolfgang Denk <wd at denx.de>
> ---
>  arch/powerpc/cpu/mpc8xx/cpu.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
...
> -	k = (immr << 16) | *((ushort *) & immap->im_cpm.cp_dparam[0xB0]);
> +	k = (immr << 16) | readw(&immap->im_cpm.cp_dparam[0xB0]);

I think this is wrong.  readw() is a little endian I/O accessor, but
PPC is all big-endian.

Guess this was untested?

Best regards,

Wolfgang Denk

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DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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