[PATCH V2 1/2] ARM: tegra: update the cache maintenance order for CPU shutdown

[Stephen Warren]

On 01/02/2013 11:42 PM, Joseph Lo wrote:
> Updating the cache maintenance order before CPU shutdown when doing CPU
> hotplug.
> The old order:
> * clean L1 by flush_cache_all
> * exit SMP
> * CPU shutdown
> Adapt to:
> * disable L1 data cache by clear C bit
> * clean L1 by v7_flush_dcache_louis
> * exit SMP
> * CPU shutdown
> 
> For CPU hotplug case, it's no need to do "flush_cache_all". And we should
> disable L1 data cache before clean L1 data cache. Then leaving the SMP
> coherency.

The series, applied to Tegra's for-3.9/soc branch.