From: santosh.shilimkar@ti•com (Santosh Shilimkar)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 00/18] ARM: OMAP5: PM: Add MPUSS suspend and CPUidle support
Date: Mon, 25 Mar 2013 17:40:53 +0530 [thread overview]
Message-ID: <51503ECD.8060101@ti.com> (raw)
In-Reply-To: <51503933.9060106@ti.com>
On Monday 25 March 2013 05:16 PM, Lokesh Vutla wrote:
> Hi Santosh,
>
> On Monday 25 March 2013 03:34 PM, Santosh Shilimkar wrote:
>> Kevin,
>>
>> Here is the refreshed version(v2) of the OMAP5 PM suspport which was posted
>> earlier (March 1st 2013). Patch-set incorporates comments from Nishant
>> Menon (Thanks for review NM) and his acked-by tags. I would like to get this
>> queued for 3.10 merge window if you are ok with the series.
>>
>> Series is built on top of my pull requests [1] [2] [3] sent to Tony and your
>> 'for_3.10/pm/cleanup' branch. For testing, I have created a branch [4]
>> which put together all the needed dependencies, fixes which should make it
>> to 3.10 merge window.
>>
>> Series adds OMAP5 MPUSS power management support for system wide suspend
>> and CPUidle. Its heavy re-use from OMAP4 and hence only ~400 odd lines are
>> needed to add OMAP5 PM support on top of existing OMAP4 PM support.
>>
>> OMAP5 adds a mercury retention feature which is an enhancement of
>> existing retention feature to reduce the leakage. No change in
>> programming model except one time enabling of mercury retention
>> during init.
>>
>> One more notable change in OMAP5 vs OMAP4 devices, CPUx power domains
>> support retention state which lets you hit MPUSS and Core retention with
>> very low latency C-states.
>>
>> Tested on OMAP4430 SDP, OMAP4460 Panda, OMAP5430 SDP and OMAP5432 Panda
>> devices with suspend and CPUIdle. Rootfs is mounted over ramdisk since
>> the mmc and nfs based fs needs DMA engine patches. For suspend wakeup,
>> I used Sourav's couple of serial wakeup wip patches from the lists.
>
> I did the following build tests on [1]:
> -> Native omap2plus build
> -> Omap2 only build
> -> Omap3 only build
> -> Omap4 only build
> -> Omap5 only build
> -> AM33XX only build.
> -> omap1_defconfig
>
Thanks for the build coverage.
> And also did functional testing on [2] where omap5_pm branch[1] is merged.
> On OMAP5430 EVM: Suspend to RAM (UART wakeup)
> CPU_IDLE
> On OMAP4430 SDP: Suspend to RAM (UART wakeup)
> CPU_IDLE
Excellent.
> Note:
> 1) Disabled SMP for doing build test on Omap2/3 only builds.
I noticed this one as well.
> 2) If we enable CPU_IDLE on OMAP4430, debug message flood from reset_ctrl_regs() will appear.
> As this is already disussed and a patch is already sent on Mainline
> Will get more info on this here[3]
>
Yep. I applied the patch while testing. The patch is already in RMK's queue as per Will D.
> Tested-by: Lokesh Vutla <lokeshvutla@ti•com>
>
Thanks a bunch for detailed testing and your tested-by tag.
Regards,
Santosh
>
> [1] git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux for_3.10/omap5_pm
> [2] git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux.git testing/3.10/omap5_int
> [3] https://lkml.org/lkml/2013/3/13/50
>
next prev parent reply other threads:[~2013-03-25 12:10 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-25 10:04 [PATCH v2 00/18] ARM: OMAP5: PM: Add MPUSS suspend and CPUidle support Santosh Shilimkar
2013-03-25 10:04 ` [PATCH v2 01/18] ARM: OMAP4+: PM: Consolidate MPU subsystem PM code for re-use Santosh Shilimkar
2013-04-03 19:44 ` Kevin Hilman
2013-04-04 11:32 ` Santosh Shilimkar
2013-03-25 10:04 ` [PATCH v2 02/18] ARM: OMAP5: PM: Update CPU context register offset Santosh Shilimkar
2013-03-25 10:04 ` [PATCH v2 03/18] ARM: OMAP4+: PM: Consolidate and use OMAP4 PM code for OMAP5 Santosh Shilimkar
2013-04-03 20:20 ` Kevin Hilman
2013-04-04 11:51 ` Santosh Shilimkar
2013-04-04 11:55 ` Santosh Shilimkar
2013-03-25 10:04 ` [PATCH v2 04/18] ARM: OMAP5: PM: Set MPUSS-EMIF clock-domain static dependency Santosh Shilimkar
2013-03-25 10:04 ` [PATCH v2 05/18] ARM: OMAP5: PM: Enables ES2 PM mode by default Santosh Shilimkar
2013-04-03 20:25 ` Kevin Hilman
2013-04-04 12:02 ` Santosh Shilimkar
2013-03-25 10:04 ` [PATCH v2 06/18] ARM: OMAP5: PM: Enable Mercury retention mode on CPUx powerdomains Santosh Shilimkar
2013-04-03 20:31 ` Kevin Hilman
2013-04-04 12:08 ` Santosh Shilimkar
2013-03-25 10:04 ` [PATCH v2 07/18] ARM: OMAP5: Add init_late() hook to enable pm initialization Santosh Shilimkar
2013-04-03 20:33 ` Kevin Hilman
2013-04-04 12:28 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 08/18] ARM: OMAP5: PM: Add CPU power off in hotplug path Santosh Shilimkar
2013-04-03 20:49 ` Kevin Hilman
2013-04-04 13:23 ` Santosh Shilimkar
2013-04-04 17:31 ` Kevin Hilman
2013-04-05 9:04 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 09/18] ARM: OMAP4+: PM: Restore CPU power state to ON with clockdomain force wakeup method Santosh Shilimkar
2013-04-03 20:54 ` Kevin Hilman
2013-04-04 13:37 ` Santosh Shilimkar
2013-04-04 17:42 ` Kevin Hilman
2013-04-05 9:07 ` Santosh Shilimkar
2013-04-05 11:58 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 10/18] ARM: OMAP5: PM: Add MPU Open Switch Retention support Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 11/18] ARM: OMAP5: PM: Add L2 memory power down support Santosh Shilimkar
2013-04-03 20:58 ` Kevin Hilman
2013-04-04 13:46 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 12/18] ARM: OMAP4: CPUidle: Avoid double idle driver registration Santosh Shilimkar
2013-04-03 21:03 ` Kevin Hilman
2013-04-04 13:47 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 13/18] ARM: OMAP: CPUidle: Unregister drivere on device registration failure Santosh Shilimkar
2013-04-03 21:03 ` Kevin Hilman
2013-04-04 13:48 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 14/18] ARM: OMAP4: CPUidle: Make C-state description field more precise Santosh Shilimkar
2013-04-03 21:05 ` Kevin Hilman
2013-04-04 13:48 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 15/18] ARM: OMAP4+: CPUidle: Consolidate idle driver for OMAP5 support Santosh Shilimkar
2013-04-03 21:10 ` Kevin Hilman
2013-04-04 14:04 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 16/18] ARM: OMAP4+: CPUidle: Deprecate use of omap4_mpuss_read_prev_context_state() Santosh Shilimkar
2013-04-03 21:37 ` Kevin Hilman
2013-04-04 13:59 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 17/18] ARM: OMAP4+: CPUidle: Add OMAP5 idle driver support Santosh Shilimkar
2013-04-03 21:25 ` Kevin Hilman
2013-04-04 14:16 ` Santosh Shilimkar
2013-04-04 17:55 ` Kevin Hilman
2013-04-05 9:41 ` Santosh Shilimkar
2013-03-25 10:05 ` [PATCH v2 18/18] ARM: OMAP5: PM: handle device instance for warm reset Santosh Shilimkar
2013-03-25 11:46 ` [PATCH v2 00/18] ARM: OMAP5: PM: Add MPUSS suspend and CPUidle support Lokesh Vutla
2013-03-25 12:10 ` Santosh Shilimkar [this message]
2013-03-25 12:27 ` Sourav Poddar
2013-03-25 12:47 ` Rajendra Nayak
2013-03-25 13:00 ` Sourav Poddar
2013-04-03 22:52 ` Kevin Hilman
2013-04-04 14:34 ` Santosh Shilimkar
2013-04-04 16:49 ` Santosh Shilimkar
2013-04-04 17:57 ` Kevin Hilman
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