From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V3 0/5] ARM: tegra20: cpuidle: add power-down state
Date: Wed, 02 Jan 2013 12:05:17 -0700 [thread overview]
Message-ID: <50E484ED.90108@wwwdotorg.org> (raw)
In-Reply-To: <1355797861-12759-1-git-send-email-josephl@nvidia.com>
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?
next prev parent reply other threads:[~2013-01-02 19:05 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 ` Stephen Warren [this message]
2013-01-03 8:39 ` [PATCH V3 0/5] ARM: tegra20: cpuidle: add power-down state Joseph Lo
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