[PATCH] ARM: avoid l2x0 build warning for CONFIG_OF=n

[Russell King - ARM Linux]

On Mon, Sep 08, 2014 at 04:53:39PM +0200, Arnd Bergmann wrote:
> A few functions in the l2x0 code are now only used from code that
> is DT-only, so we get harmless gcc warnings about unused static
> symbols unless these are removed as well.
> 
> arch/arm/mm/cache-l2x0.c:167:13: warning: 'l2x0_cache_sync' defined but not used [-Wunused-function]
> arch/arm/mm/cache-l2x0.c:184:13: warning: 'l2x0_flush_all' defined but not used [-Wunused-function]
> arch/arm/mm/cache-l2x0.c:194:13: warning: 'l2x0_disable' defined but not used [-Wunused-function]
> 
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> Fixes: cf9ea8f130e2 ("ARM: l2c: remove obsolete l2x0 ops for non-OF init")

I've already NAK'd patches like this.  This needs solving properly.

Never hide valid warnings like this.

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