[RFC PATCH v2 3/5] ARM: kernel: update cpu_suspend code to use cache LoUIS operations

[Will Deacon]

On Thu, Dec 13, 2012 at 08:09:33AM +0000, Guennadi Liakhovetski wrote:
> On Wed, 12 Dec 2012, Will Deacon wrote:
> > Back to the case in hand.... Lorenzo just pointed out to me that the
> > finished in question (sh7372_do_idle_sysc) calls v7_flush_dcache_all, so
> > the louis stuff should be irrelevant. The problem may actually be that the
> > finisher disables the L2 cache prior to cleaning/invalidating it, which is
> > the opposite order to that described by the A8 TRM.
> > 
> > Guennadi -- can you try moving the kernel_flush call before the L2 disable
> > in sh7372_do_idle_sysc please?
> 
> Yes, this works too.

That's good to know. Please can you send a patch for that? The sequence
currently being used by the finisher *is* buggy, and should be fixed
independently of the louis stuff.

Cheers,

Will