From: Steve Sakoman <sakoman@gmail.com>
To: Lesly A M <leslyam@ti.com>
Cc: linux-omap@vger.kernel.org, Nishanth Menon <nm@ti.com>,
David Derrick <dderrick@ti.com>,
Samuel Ortiz <sameo@linux.intel.com>
Subject: Re: [PATCH v10 0/7] MFD: TWL4030: power script and workaround for erratum 27
Date: Thu, 2 Jun 2011 08:36:44 -0700 [thread overview]
Message-ID: <BANLkTinEmyxuNb9p=VNkeLM1zMcxqBiCzA@mail.gmail.com> (raw)
In-Reply-To: <1304687833-4578-1-git-send-email-leslyam@ti.com>
On Fri, May 6, 2011 at 6:17 AM, Lesly A M <leslyam@ti.com> wrote:
> Patch series for TWL4030 power scripts for OMAP3 boards and
> workaround for TWL erratum 27.
>
> Changes for implementing TWL4030 power scripts recommended by hardware team.
> Introduced a new TWL4030 power script file, which can be used by different
> OMAP3 board with the power companion chip TWL4030.
>
> Updated the changes for TWL4030 errata 27 & 28, and modified
> the TWL4030 power script.
> Workaround for TWL4030 erratum 27 is required for Si version less than or
> equal to TWL5030 ES1.1.
>
> TWL4030 script changes re-based on Kevin's PM tree in pm branch.
>
> This patch series have a dependency with the patch:
> http://www.spinics.net/lists/linux-omap/msg50547.html
>
> Changes in v7:
> changes to fix Nishanth Menon's comments
> i) Added the workaround for TWL4030 Erratum 27
>
> split the first patch in v6
> i) fix for twl4030 script load
> ii) correct the warning print during script loading
>
> Added new patch files
> i) changing sys_off signal polarity
>
> Changes in v8:
> updated the change logs
> moving the TWL IDCODE checking to twl-core.c
>
> Changes in V9:
> changes to fix David Derrick's comments
> i) turn OFF the NRES_PWRON resource in warm reset sequence
> ii) optimize the i2c writes during resource configuration
>
> Changes in V10:
> changes for Tony's comments
> i) making the TWL4030 power scripts loadable module
>
> Since the voltage layer is evolving to a new design, the voltage dependant
> changes required for the TWL4030 script are not incorporated in the patch series.
> So this TWL4030 script patch series can be tested with a separate patch for
> voltage layer changes.
>
> link: http://pastebin.mozilla.org/1219625
>
> This changes are tested on OMAP3430 & OMAP3630 SDP with off mode enabled in suspend path.
> Tested with suspend/resume script, which will test system suspend in a loop.
> Tested for more than 1000 iterations.
> Also tested the reboot with WRM_RST button & reboot command.
I've tested this series on Overo and it seems to have no effect.
After 'echo mem > /sys/power/state' my system draws 53mA both with and
without the above patch set.
Has anyone else confirmed these changes on a platform other than the SDP?
Steve
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next prev parent reply other threads:[~2011-06-02 15:36 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-06 13:17 [PATCH v10 0/7] MFD: TWL4030: power script and workaround for erratum 27 Lesly A M
2011-05-06 13:17 ` [PATCH v10 1/7] MFD: TWL4030: Fix for the TWL4030 sleep/wakeup sequence Lesly A M
2011-05-13 12:40 ` Kevin Hilman
2011-05-13 17:14 ` Samuel Ortiz
2011-05-06 13:17 ` [PATCH v10 2/7] MFD: TWL4030: Correct the warning print during script loading Lesly A M
2011-05-13 17:19 ` Samuel Ortiz
2011-05-06 13:17 ` [PATCH v10 3/7] MFD: TWL4030: Modifying the macro name Main_Ref to all caps Lesly A M
2011-05-12 10:42 ` Tony Lindgren
2011-05-13 7:12 ` Manuel, Lesly Arackal
2011-05-13 17:20 ` Samuel Ortiz
2011-05-06 13:17 ` [PATCH v10 4/7] MFD: TWL4030: power scripts for OMAP3 boards Lesly A M
2011-05-12 10:56 ` Tony Lindgren
2011-05-13 7:53 ` Manuel, Lesly Arackal
2011-05-13 18:39 ` Samuel Ortiz
2011-05-17 13:40 ` Manuel, Lesly Arackal
2011-05-22 21:40 ` Samuel Ortiz
2011-05-24 12:17 ` Manuel, Lesly Arackal
2011-06-02 18:29 ` Kevin Hilman
2011-06-06 14:03 ` Manuel, Lesly Arackal
2011-06-06 16:08 ` Kevin Hilman
2011-05-06 13:17 ` [PATCH v10 5/7] MFD: TWL4030: TWL version checking Lesly A M
2011-05-13 17:22 ` Samuel Ortiz
2011-05-06 13:17 ` [PATCH v10 6/7] MFD: TWL4030: workaround changes for Erratum 27 Lesly A M
2011-05-06 13:17 ` [PATCH v10 7/7] MFD: TWL4030: optimizing resource configuration Lesly A M
2011-06-02 15:36 ` Steve Sakoman [this message]
2011-06-02 17:12 ` [PATCH v10 0/7] MFD: TWL4030: power script and workaround for erratum 27 Steve Sakoman
2011-06-03 0:31 ` Kevin Hilman
2011-06-06 14:05 ` Manuel, Lesly Arackal
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