[PATCH 2/2] arm64: dts: juno: fix cluster sleep state entry latency on all SoC versions

Arnd Bergmann arnd at arndb.de
Fri Dec 2 08:30:24 PST 2016


On Thursday, December 1, 2016 10:11:24 AM CET Sudeep Holla wrote:
> On 16/11/16 17:31, Sudeep Holla wrote:
> > The core and the cluster sleep state entry latencies can't be same as
> > cluster sleep involves more work compared to core level e.g. shared
> > cache maintenance.
> >
> > Experiments have shown on an average about 100us more latency for the
> > cluster sleep state compared to the core level sleep. This patch fixes
> > the entry latency for the cluster sleep state.
> >
> > Fixes: 28e10a8f3a03 ("arm64: dts: juno: Add idle-states to device tree")
> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> > Cc: "Jon Medhurst (Tixy)" <tixy at linaro.org>
> > Reviewed-by: Liviu Dudau <Liviu.Dudau at arm.com>
> > Signed-off-by: Sudeep Holla <sudeep.holla at arm.com>
> 
> You missed to pick up this, I posted this along with vexpress config bus
> fix. Sorry for the confusion, I feel pull request are better/easier to
> track than single patches. I will send PR from next time if also prefer
> that. Let me know.

Ok, I've applied that to the 4.9-fixes branch. Thanks for double-checking.

	Arnd




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