[U-Boot] [PATCH V3] net: fec_mxc: allow use with cache enabled

[Mike Frysinger]

On Wednesday 14 March 2012 01:12:38 Eric Nelson wrote:
> Most of the PPC devices seem to have values of 16 or 32
> for ARCH_DMA_MINALIGN, but PPC64BRIDGE and E500MC would
> have a problem if their drivers don't implement a bounce
> buffer because PKTALIGN < ARCH_DMA_MINALIGN.
> 
> (see arch/powerpc/include/asm/cache.h)
> 
> This condition is properly tested for in fec_mxc.c.

so fix this in common code instead of hacking around it in individual drivers.  
seems to me that PKTALIGN should be defined to ARCH_DMA_MINALIGN and ultimately 
removed.
-mike
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