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From: josephl@nvidia.com (Joseph Lo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V3 0/5] ARM: tegra20: cpuidle: add power-down state
Date: Thu, 3 Jan 2013 16:39:36 +0800	[thread overview]
Message-ID: <1357202376.3594.37.camel@jlo-ubuntu-64.nvidia.com> (raw)
In-Reply-To: <50E484ED.90108@wwwdotorg.org>

On Thu, 2013-01-03 at 03:05 +0800, Stephen Warren wrote:
> On 12/17/2012 07:30 PM, Joseph Lo wrote:
> > This adds a "powered-down" state in cpuidle for Tegra20. It requires power
> > gating both CPU cores. When the CPU1 requests to enter "powered-down"
> > state, it saves its own state and then enters WFI. When the CPU0 requests
> > the same state, it attempts to put the CPU1 into reset to prevent it from
> > waking up. Then power down both CPUs together and turn off the CPU rail.
> > 
> > If the CPU1 be woken up before CPU0 entering powered-down state, then it
> > needs to restore it's CPU state and waits for next chance.
> 
> Joseph,
> 
> What's the status of this series? It looks like there are quite a few
> comments on V3; I assume you'll post a new version to address those.
> Will you base the new version on top of Prashant's common clock cleanup
> to remove the conflicts with that?
> 

Yes, I will re-base on top of Prashant's CCF rework in the next version.
But there are some issues, I am co-working with Prashant to make sure
every thing is work as usual. Will re-post this series later after
everything be settled down.

Thanks,
Joseph

      reply	other threads:[~2013-01-03  8:39 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-18  2:30 [PATCH V3 0/5] ARM: tegra20: cpuidle: add power-down state Joseph Lo
2012-12-18  2:30 ` [PATCH V3 1/5] ARM: tegra: add pending SGI checking API Joseph Lo
2012-12-18  2:42   ` Colin Cross
2012-12-18  2:57     ` Joseph Lo
2012-12-18 10:15     ` Peter De Schrijver
2012-12-18 19:36       ` Colin Cross
2012-12-19  1:06         ` Joseph Lo
2012-12-19  3:47           ` Joseph Lo
2012-12-20  7:16         ` Santosh Shilimkar
2012-12-20  9:34           ` Peter De Schrijver
2012-12-20  9:49             ` Santosh Shilimkar
2012-12-20  9:59               ` Peter De Schrijver
2012-12-20 10:24                 ` Santosh Shilimkar
2012-12-20 11:14                   ` Peter De Schrijver
2012-12-20 12:06                     ` Santosh Shilimkar
2012-12-18  2:30 ` [PATCH V3 2/5] ARM: tegra20: cpuidle: add powered-down state for secondary CPU Joseph Lo
2012-12-18  2:46   ` Colin Cross
2012-12-18  3:06     ` Joseph Lo
2012-12-20 17:43   ` Stephen Warren
2012-12-21  6:36     ` Joseph Lo
2012-12-21 21:04       ` Stephen Warren
2012-12-18  2:30 ` [PATCH V3 3/5] ARM: tegra20: clocks: add CPU low-power function into tegra_cpu_car_ops Joseph Lo
2012-12-20 17:46   ` Stephen Warren
2012-12-21  5:02     ` Joseph Lo
2012-12-21 21:10       ` Stephen Warren
2012-12-18  2:31 ` [PATCH V3 4/5] ARM: tegra20: flowctrl: add support for cpu_suspend_enter/exit Joseph Lo
2012-12-18  2:31 ` [PATCH V3 5/5] ARM: tegra20: cpuidle: apply coupled cpuidle for powered-down mode Joseph Lo
2012-12-18 10:18   ` Peter De Schrijver
2012-12-20 17:54   ` Stephen Warren
2012-12-21  7:10     ` Joseph Lo
2012-12-21 21:06       ` Stephen Warren
2013-01-02 19:05 ` [PATCH V3 0/5] ARM: tegra20: cpuidle: add power-down state Stephen Warren
2013-01-03  8:39   ` Joseph Lo [this message]

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