[PATCH] arch/powerpc/lib/copy_32.S: Use alternate memcpy for MPC512x and MPC52xx

Segher Boessenkool segher at kernel.crashing.org
Fri Jul 9 23:03:27 EST 2010

> Hmm, unfortunately, it's usage is not clearly documented in mtd- 
> physmap.txt,

It's pretty clear I think.  Patches for making it better are welcome  
of course.

> so I never thought of this parameter.  And IMHO the problem goes  
> further - basically *any* chip which is attached to the LPB can be  
> affected by this problem, so it might be better to have a more  
> general approach like a "chip select property".

You cannot treat devices on the LPB as random access, that's all.   
that assume they can, cannot be used for devices on the LPB.


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