From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 13/28] ARM: tegra: Add suspend and hotplug support
Date: Mon, 24 Jan 2011 10:15:16 +0000 [thread overview]
Message-ID: <20110124101516.GD16202@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <AANLkTimEdkMsv+NERv6E6AyBcAKv9szJBsJYHmFBDnbS@mail.gmail.com>
On Mon, Jan 24, 2011 at 01:26:39AM -0800, Colin Cross wrote:
> Despite what the patch description says, this version of the patch
> does not save VFP state any more. I will update the description.
I was going by the definitions of the context save area.
> It looks like if CONFIG_SMP=y, the VFP code saves the VFP context on
> every task switch, so nothing is needed during cpu idle. However, if
> CONFIG_SMP=n, I think some way to save the VFP context is needed.
I think we need proper idle PM support as I think this will become
commonplace.
> This version of the patch does not save breakpoint/watchdogs, but
> something will need to save them during idle when the cpu is powered
> down.
Ditto.
> > Lastly, L2 cache controller should have suspend/resume support added.
>
> Patch 4 in this series improves the L2 controller's PM support, and
> this patch uses l2x0_disable, l2x0_enable, and l2x0_init.
I was going by the definitions of the context save state - maybe the
ones which aren't used anymore should be removed?
next prev parent reply other threads:[~2011-01-24 10:15 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-24 2:01 [PATCH v2 00/28] Updates for Tegra support in 2.6.39 Colin Cross
2011-01-24 2:01 ` [PATCH v2 01/28] ARM: tegra: irq: Rename gic pointers to avoid conflicts Colin Cross
2011-01-26 7:10 ` Colin Cross
2011-01-24 2:01 ` [PATCH v2 02/28] ARM: gic: Add functions to save and restore gic state Colin Cross
2011-02-01 13:03 ` Russell King - ARM Linux
2011-01-24 2:01 ` [PATCH v2 03/28] ARM: gic: Export irq chip functions Colin Cross
2011-01-24 6:39 ` Santosh Shilimkar
2011-01-24 2:01 ` [PATCH v2 04/28] ARM: mm: cache-l2x0: Add support for re-enabling l2x0 Colin Cross
2011-01-25 15:14 ` Catalin Marinas
2011-01-25 15:41 ` Russell King - ARM Linux
2011-01-25 18:14 ` Catalin Marinas
2011-01-25 18:32 ` Santosh Shilimkar
2011-01-25 18:39 ` Will Deacon
[not found] ` <-8932138696981683633@unknownmsgid>
2011-02-04 23:32 ` Colin Cross
2011-02-04 23:43 ` Russell King - ARM Linux
2011-02-05 1:44 ` Colin Cross
2011-02-05 7:51 ` Santosh Shilimkar
2011-02-05 9:47 ` Russell King - ARM Linux
2011-02-05 10:41 ` [PATCH v2 04/28] ARM: mm: cache-l2x0: Add support forre-enabling l2x0 Santosh Shilimkar
2011-02-05 16:36 ` Colin Cross
2011-02-07 6:13 ` Santosh Shilimkar
2011-01-24 2:01 ` [PATCH v2 05/28] ARM: tegra: Centralize macros to define debug uart base Colin Cross
2011-01-24 2:01 ` [PATCH v2 06/28] ARM: tegra: Add api to control internal powergating Colin Cross
2011-01-24 2:01 ` [PATCH v2 07/28] ARM: tegra: irqs: Update irq list Colin Cross
2011-01-24 2:01 ` [PATCH v2 08/28] ARM: tegra: Add prototypes for subsystem suspend functions Colin Cross
2011-01-24 2:01 ` [PATCH v2 09/28] ARM: tegra: clock: Suspend fixes, and add new clocks Colin Cross
2011-01-24 2:01 ` [PATCH v2 10/28] ARM: tegra: pinmux: Add missing drive pingroups and fix suspend Colin Cross
2011-01-24 2:01 ` [PATCH v2 11/28] ARM: tegra: timer: Add idle and suspend support to timers Colin Cross
2011-01-24 2:01 ` [PATCH v2 12/28] ARM: tegra: irq: Add support for suspend wake sources Colin Cross
2011-01-24 2:01 ` [PATCH v2 13/28] ARM: tegra: Add suspend and hotplug support Colin Cross
2011-01-24 7:31 ` Colin Cross
2011-01-24 9:07 ` Russell King - ARM Linux
2011-01-24 9:26 ` Colin Cross
2011-01-24 10:15 ` Russell King - ARM Linux [this message]
2011-01-24 2:01 ` [PATCH v2 14/28] ARM: tegra: irq: Add set_wake and set_type support for suspend Colin Cross
2011-01-24 2:01 ` [PATCH v2 15/28] ARM: tegra: irq: Add debugfs file to show wake irqs Colin Cross
2011-01-27 19:45 ` Stephen Boyd
2011-01-24 2:01 ` [PATCH v2 16/28] ARM: tegra: irq: Implement retrigger Colin Cross
2011-01-24 2:01 ` [PATCH v2 17/28] ARM: tegra: gpio: Add support for waking from suspend Colin Cross
2011-01-24 2:01 ` [PATCH v2 18/28] ARM: tegra: add CPU_IDLE driver Colin Cross
2011-01-27 20:38 ` Stephen Boyd
2011-01-27 21:51 ` Colin Cross
2011-01-27 22:07 ` Colin Cross
2011-01-24 2:01 ` [PATCH v2 19/28] ARM: tegra: iomap: Add missing devices, fix use of SZ_8, SZ_64 Colin Cross
2011-01-24 2:01 ` [PATCH v2 20/28] ARM: tegra: cpufreq: Disable cpufreq during suspend Colin Cross
2011-01-24 14:41 ` Mark Brown
2011-01-24 18:50 ` Colin Cross
2011-01-24 19:35 ` Mark Brown
2011-01-24 19:52 ` Colin Cross
2011-01-24 20:26 ` Mark Brown
2011-01-24 20:52 ` Colin Cross
2011-01-24 21:08 ` Mark Brown
2011-01-24 21:24 ` Colin Cross
2011-01-25 4:26 ` Kyungmin Park
2011-01-24 2:01 ` [PATCH v2 21/28] ARM: tegra: Allow overriding arch_reset Colin Cross
2011-01-24 2:01 ` [PATCH v2 22/28] ARM: tegra: dma: Fix critical data corruption bugs Colin Cross
2011-01-24 2:01 ` [PATCH v2 23/28] ARM: tegra: add tegra_defconfig Colin Cross
2011-01-24 2:01 ` [PATCH v2 24/28] ARM: tegra: Use writel_relaxed in tegra_init_cache Colin Cross
2011-01-24 2:01 ` [PATCH v2 25/28] ARM: tegra: suspend: Save protected aperture across LP0 Colin Cross
2011-01-24 2:01 ` [PATCH v2 26/28] ARM: tegra: suspend: protect suspend functions with CONFIG_PM Colin Cross
2011-01-24 2:01 ` [PATCH v2 27/28] ARM: tegra: enable emc clock updates after lp0 Colin Cross
2011-01-24 2:01 ` [PATCH v2 28/28] ARM: tegra: clock: Add forward reference to struct clk Colin Cross
2011-01-24 10:26 ` Russell King - ARM Linux
2011-01-25 1:23 ` Colin Cross
2011-01-26 3:19 ` Grant Likely
2011-01-26 3:21 ` Colin Cross
2011-01-26 4:16 ` Grant Likely
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