[PATCH V6 3/6] arm: cache-l2x0: add support for Aurora L2 cache ctrl

[linux@arm.linux.org.uk (Russell King - ARM Linux)]

On Tue, Oct 23, 2012 at 11:43:02AM +0200, Gregory CLEMENT wrote:
> On 10/23/2012 11:01 AM, Russell King - ARM Linux wrote:
> > On Thu, Sep 27, 2012 at 11:35:23AM +0200, Gregory CLEMENT wrote:
> >> Aurora Cache Controller was designed to be compatible with the ARM L2
> >> Cache Controller. It comes with some difference or improvement such
> >> as:
> >> - no cache id part number available through hardware (need to get it
> >>   by the DT).
> >> - always write through mode available.
> >> - two flavors of the controller outer cache and system cache (meaning
> >>   maintenance operations on L1 are broadcasted to the L2 and L2
> >>   performs the same operation).
> >> - in outer cache mode, the cache maintenance operations are improved and
> >>   can be done on a range inside a page and are not limited to a cache
> >>   line.
> > 
> > This adds new build warnings:
> > 
> > arch/arm/mm/cache-l2x0.c:328:13: warning: 'aurora_inv_range' defined but not used
> > arch/arm/mm/cache-l2x0.c:347:13: warning: 'aurora_clean_range' defined but not used
> > arch/arm/mm/cache-l2x0.c:365:13: warning: 'aurora_flush_range' defined but not used
> > 
> > to the realview build (non-DT).  Please investigate, thanks.
> 
> OK I found the problem: aurora cache support is new so it is only
> enable with device tree support. I moved all this functions in the
> under OF_CONFIG (see the patch below). Do you want I submit it on the
> patch system, or can you get it directly from this email?

Easier by the patch system, and much less likely to get buried and lost
between now and when I do the update, thanks.