From: "Mark A. Greer" <mgreer@animalcreek.com>
To: Jean Pihet <jean.pihet@newoldbits.com>
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
khilman@ti.com, paul@pwsan.com
Subject: Re: [PATCH 06/12] arm: omap3: am35x: Add full PWRDM_POWER_INACTIVE support
Date: Wed, 11 Apr 2012 14:12:53 -0700 [thread overview]
Message-ID: <20120411211253.GA7979@animalcreek.com> (raw)
In-Reply-To: <CAORVsuW2Nax4h+SxEJ6dLM1AopAFPQjvK0FHa9N5mEEVCStpQw@mail.gmail.com>
On Wed, Apr 11, 2012 at 10:56:01PM +0200, Jean Pihet wrote:
> Hi Mark,
>
> On Wed, Apr 11, 2012 at 9:05 PM, Mark A. Greer <mgreer@animalcreek.com> wrote:
> > From: "Mark A. Greer" <mgreer@animalcreek.com>
> >
> > The am35x family of SoCs only support PWRDM_POWER_ON
> > and PWRDM_POWER_INACTIVE power states. This causes
> > an issue in some areas of the OMAP3 power-related
> > code because of assumptions that PWRDM_POWER_RET
> > and/or PWRDM_POWER_OFF are always valid states.
> >
> > To get am35x SoCs to work properly, add missing support
> > for PWRDM_POWER_INACTIVE and remove assumptions that
> > PWRDM_POWER_RET and PWRDM_POWER_OFF are always valid states.
> >
> > Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
>
> I just posted a patch set '[RFC/PATCH v2 0/6] ARM: OMAP2+: PM:
> introduce the power domains functional states' [1] which I think
> should be used to base your patches on. This patch set introduces
> functional states for the power domains power ans logic states, and
> the conversion functions between the internal power and logic states
> and the functional states.
>
> I would be glad to help on the AM35x support for the functional states.
>
> What do you think?
Sure. Sounds like the right thing to do.
> [1] http://marc.info/?l=linux-omap&m=133417729712693&w=2
Thanks for the pointer. I'll do a little research and contact you
out-of-band.
Mark
--
next prev parent reply other threads:[~2012-04-11 21:12 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-11 19:05 arm: omap3: am35x: Powerdomain, EMIF4, etc. fixups Mark A. Greer
2012-04-11 19:05 ` [PATCH 01/12] arm: omap3: Only access IVA if one exists Mark A. Greer
2012-04-11 19:05 ` [PATCH 02/12] arm: omap3: Only sleep during cpu_idle if I/O wake-ups work Mark A. Greer
2012-04-11 21:38 ` Paul Walmsley
2012-04-11 23:42 ` Jon Hunter
2012-04-13 0:13 ` Mark A. Greer
2012-04-11 19:05 ` [PATCH 03/12] arm: omap3: Only sleep in cpuidle driver " Mark A. Greer
2012-04-11 21:37 ` Paul Walmsley
2012-04-11 22:23 ` Mark A. Greer
2012-04-11 22:47 ` Paul Walmsley
2012-04-11 23:08 ` Mark A. Greer
2012-04-24 20:51 ` Mark A. Greer
2012-04-24 23:25 ` Mark A. Greer
2012-04-27 21:12 ` Kevin Hilman
2012-04-27 21:55 ` Mark A. Greer
2012-04-30 21:34 ` Mark A. Greer
2012-04-30 22:00 ` Kevin Hilman
2012-04-30 22:18 ` Mark A. Greer
2012-04-11 19:05 ` [PATCH 04/12] arm: omap3: am35x: Don't mark missing features as present Mark A. Greer
2012-04-11 19:05 ` [PATCH 05/12] arm: omap3: am35x: Add PWROFF feature Mark A. Greer
2012-04-11 22:46 ` Kevin Hilman
2012-04-11 23:11 ` Mark A. Greer
2012-04-24 4:36 ` Mark A. Greer
2012-04-27 21:07 ` Kevin Hilman
2012-04-30 22:08 ` Mark A. Greer
2012-04-11 19:05 ` [PATCH 06/12] arm: omap3: am35x: Add full PWRDM_POWER_INACTIVE support Mark A. Greer
2012-04-11 20:56 ` Jean Pihet
2012-04-11 21:08 ` Paul Walmsley
2012-04-11 21:14 ` Mark A. Greer
2012-04-11 21:15 ` Jean Pihet
2012-04-11 21:12 ` Mark A. Greer [this message]
2012-04-11 22:17 ` Paul Walmsley
2012-04-11 19:05 ` [PATCH 07/12] arm: omap3: am35x: Set proper powerdomain states Mark A. Greer
2012-04-11 21:53 ` Paul Walmsley
2012-04-11 22:40 ` Mark A. Greer
2012-04-12 0:24 ` Jon Hunter
2012-04-12 2:19 ` Mark A. Greer
2012-04-11 19:05 ` [PATCH 08/12] arm: omap3: am35x: Fix clockdomain dependencies Mark A. Greer
2012-04-11 21:44 ` Paul Walmsley
2012-04-11 21:55 ` Mark A. Greer
2012-04-11 22:04 ` Paul Walmsley
2012-04-11 22:49 ` Mark A. Greer
2012-04-11 23:49 ` Paul Walmsley
2012-04-12 2:23 ` Mark A. Greer
2012-04-12 2:29 ` Paul Walmsley
2012-04-12 23:00 ` Mark A. Greer
2012-04-11 19:05 ` [PATCH 09/12] arm: omap3: am35x: Add SDRC EMIF4 feature Mark A. Greer
2012-04-11 21:29 ` Paul Walmsley
2012-04-11 22:50 ` Mark A. Greer
2012-04-11 22:56 ` Paul Walmsley
2012-04-11 23:23 ` Mark A. Greer
2012-04-11 19:05 ` [PATCH 10/12] arm: omap3: am35x: Add minimal EMIF4 support Mark A. Greer
2012-04-11 21:31 ` Paul Walmsley
2012-04-11 23:22 ` Mark A. Greer
2012-04-11 19:05 ` [PATCH 11/12] arm: omap3: am35x: Add do_wfi routine for EMIF4 submodules Mark A. Greer
2012-04-11 22:35 ` Kevin Hilman
2012-04-11 23:26 ` Mark A. Greer
2012-04-11 22:36 ` Paul Walmsley
2012-04-13 0:12 ` Mark A. Greer
2012-04-11 22:54 ` Paul Walmsley
2012-04-11 19:05 ` [PATCH 12/12] arm: omap3: am35x: Register davinci_mdio before davinci_emac Mark A. Greer
2012-04-11 21:24 ` Paul Walmsley
2012-04-11 22:00 ` Mark A. Greer
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