From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 2/5] ARM: pm: add generic CPU suspend/resume support
Date: Mon, 28 Feb 2011 23:47:39 +0530 [thread overview]
Message-ID: <8d16615a6ede144f074a3c7387e70b2c@mail.gmail.com> (raw)
In-Reply-To: <3f574626437da8db9f7844d5bb031046@mail.gmail.com>
+ linux-omap on this thread.
> -----Original Message-----
> From: Santosh Shilimkar [mailto:santosh.shilimkar at ti.com]
> Sent: Saturday, February 12, 2011 8:40 PM
> To: Russell King - ARM Linux
> Cc: Colin Cross; Kukjin Kim; saeed bishara; linux-arm-
> kernel at lists.infradead.org
> Subject: RE: [PATCH v3 2/5] ARM: pm: add generic CPU suspend/resume
> support
>
> > -----Original Message-----
> > From: Russell King - ARM Linux [mailto:linux at arm.linux.org.uk]
> > Sent: Saturday, February 12, 2011 8:20 PM
> > To: Santosh Shilimkar
> > Cc: Colin Cross; Kukjin Kim; saeed bishara; linux-arm-
> > kernel at lists.infradead.org
> > Subject: Re: [PATCH v3 2/5] ARM: pm: add generic CPU
> suspend/resume
> > support
> >
> > On Fri, Feb 11, 2011 at 05:37:04PM +0530, Santosh Shilimkar wrote:
> > > There is a Monitor secure API, needs to be called from non-
> secure
> > > software to set this diagnostic registers in resume path.
> >
> > It would be an idea to get the OMAP sleep code up to date so that
> I
> > can
> > look at OMAPs requirements for this to be useful.
> >
> > As the current code stands, I don't see any reason why the
> sleep34xx
> > code
> > can't use this infrastructure, but I'm loathed to start modifying
> > that if there's outstanding code changes in that area.
>
> Yep. There are few issues out there with sleep34xx code.
> - Secure APIs
> - Current code needs to be cleaned up to remove
> unwanted registers save restore
> - Some part of the code on OMAP3 must be run from
> SRAM. It can't run from DDR
> - AUXCTLR, Diagnostic registers aren't accessible
> in secure mode.
> - L2 cache needs to be handled with secure APIs.
> - Code sequence needs to handle errata's handling
> which accesses OMAP PM registers.
>
> Few of the above are getting addressed for this merge window.
>
> So my plan was to take a look at generic suspend after the
> merge window. By that time your generic stuff and omap
> cleanup would have got merged hopefully.
>
> Regards,
> Santosh
next prev parent reply other threads:[~2011-02-28 18:17 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-06 19:11 [RFC] Generic CPU save/restore PM support Russell King - ARM Linux
2011-02-06 19:12 ` [PATCH 1/5] ARM: move cache/processor/fault glue to separate include files Russell King - ARM Linux
2011-02-06 19:12 ` [PATCH 2/5] ARM: pm: add generic CPU suspend/resume support Russell King - ARM Linux
2011-02-07 12:01 ` [PATCH v2 " Russell King - ARM Linux
2011-02-07 12:10 ` [PATCH v3 " Russell King - ARM Linux
2011-02-07 13:21 ` saeed bishara
2011-02-07 13:34 ` Russell King - ARM Linux
2011-02-07 14:04 ` saeed bishara
2011-02-07 14:17 ` Russell King - ARM Linux
2011-02-07 14:27 ` saeed bishara
2011-02-07 14:33 ` Russell King - ARM Linux
2011-02-07 14:58 ` saeed bishara
2011-02-07 15:02 ` Russell King - ARM Linux
2011-02-08 10:21 ` Lorenzo Pieralisi
2011-02-08 11:23 ` Russell King - ARM Linux
2011-02-08 12:33 ` Russell King - ARM Linux
2011-02-08 14:25 ` Lorenzo Pieralisi
2011-02-08 8:08 ` Colin Cross
2011-02-10 3:15 ` Colin Cross
2011-02-11 11:58 ` Russell King - ARM Linux
2011-02-11 12:07 ` Santosh Shilimkar
2011-02-12 14:50 ` Russell King - ARM Linux
2011-02-12 15:09 ` Santosh Shilimkar
2011-02-28 18:17 ` Santosh Shilimkar [this message]
2011-02-28 18:21 ` Jean Pihet
2011-02-14 0:27 ` Kukjin Kim
2011-02-06 19:13 ` [PATCH 3/5] ARM: pm: convert PXA to generic " Russell King - ARM Linux
2011-02-06 19:13 ` [PATCH 4/5] ARM: pm: convert sa11x0 " Russell King - ARM Linux
2011-02-07 18:11 ` Russell King - ARM Linux
2011-02-06 19:13 ` [PATCH 5/5] ARM: pm: convert samsung platforms " Russell King - ARM Linux
2011-02-07 5:42 ` [RFC] Generic CPU save/restore PM support Kukjin Kim
2011-02-07 10:44 ` Russell King - ARM Linux
[not found] <mailman.11856.1297088273.1534.linux-arm-kernel@lists.infradead.org>
2011-02-07 15:41 ` [PATCH v3 2/5] ARM: pm: add generic CPU suspend/resume support Frank Hofmann
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