[U-Boot] [PATCH] usb: do explicit unaligned accesses

[Wolfgang Denk]

Dear Albert ARIBAUD,

In message <20120901182841.3ae8b35f at lilith> you wrote:
> 
> Each architecture has its own capabilites regarding native misaligned
> accesses... This is why I consider that as a general rule U-Boot should
> always align its data properly, because (hopefully) all architectures
> can do aligned native accesses; OTOH, if we accept misaligned code on
> the grounds that 'it works on such and suh arches' or that 'any normal
> arch should be able to handle misaligned accesses some way' or 'no one
> in their right mind would physically forbit misaligned accesses', then
> we're just giving Murphy a chance to kick us at some point.
> 
> Consider this an application of Postel's principle: we liberally
> accept architectures that maybe allow misaligned accesses and maybe
> handle them well; and we conservatively do not do such accesses unless
> we have no other choice.

Full agreement.

Best regards,

Wolfgang Denk

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