[U-Boot] [PATCH] Fix checkpatch warnings about externs in *.c

[Marek Vasut]

Dear Pavel Herrmann,

> On Sunday 16 September 2012 14:37:16 Marek Vasut wrote:
> > Dear Pavel Herrmann,
> > 
> >  ...
> > 
> > Won't include/sata.h work just fine ?
> 
> I feel include/sata.h is a "consumer-facing" header, and implementation
> details such as the array used for all data-retention for command and
> drivers should not be there.
> 
> Therefore i created a new header in drivers/block for this purpose, feel
> free to oppose to its name though.

Just add a comment there, no need to create new file for that.

And using "extern" keyword in header file is useless.

Actually, proper accessors might be even better idea that directly exporting an 
array.

> Pavel Herrmann

Best regards,
Marek Vasut