[PATCH] ARM: add clean and flush_dcache_all to ARM cache API

[Russell King - ARM Linux]

On Fri, Nov 05, 2010 at 04:01:47PM +0100, Linus Walleij wrote:
> This patch adds functions to flush and clean the entire data cache.
> Since the existing flush/clean range functions take more time to
> flush/clean the entire data cache, they cannot be used in
> performance-critical situations:

This is something that should be decided (as we already do for some
processors) inside those methods.  There's no need for new methods.